10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q

(Mark One)

☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended: June 30, 2024

☐	TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
	For the transition period from             to

Commission file number: 001-31343

Associated Banc-Corp

(Exact name of registrant as specified in its charter)

Wisconsin	39-1098068
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)

433 Main Street
Green Bay,	Wisconsin	54301
(Address of principal executive offices)		(Zip Code)

(920) 491-7500

(Registrant’s telephone number, including area code)

(not applicable)

(Former name, former address and former fiscal year, if changed since last report)

Securities Registered Pursuant to Section 12(b) of the Act:

Title of each class	Trading symbol(s)	Name of each exchange on which registered
Common stock, par value $0.01 per share	ASB	New York Stock Exchange
Depositary Shrs, each representing 1/40th intrst in a shr of 5.875% Non-Cum. Perp Pref Stock, Srs E	ASB PrE	New York Stock Exchange
Depositary Shrs, each representing 1/40th intrst in a shr of 5.625% Non-Cum. Perp Pref Stock, Srs F	ASB PrF	New York Stock Exchange
6.625% Fixed-Rate Reset Subordinated Notes due 2033	ASBA	New York Stock Exchange

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.

Yes  ☑        No  ☐

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§ 232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).

Yes  ☑        No  ☐

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.

Large accelerated filer	☑	Accelerated filer	☐
Non-accelerated filer	☐	Smaller reporting company	☐
Emerging growth company	☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).

Yes  ☐        No  ☑

APPLICABLE ONLY TO CORPORATE ISSUERS:

The number of shares outstanding of registrant’s common stock, par value $0.01 per share, at July 25, 2024 was 150,900,815.

1

ASSOCIATED BANC-CORP

Table of Contents

		Page
PART I. Financial Information
	Item 1. Financial Statements (Unaudited):	5
	Consolidated Balance Sheets	5
	Consolidated Statements of Income	6
	Consolidated Statements of Comprehensive Income	7
	Consolidated Statements of Changes in Stockholders’ Equity	8
	Consolidated Statements of Cash Flows	10
	Notes to Consolidated Financial Statements	12
	Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations	50
	Item 3. Quantitative and Qualitative Disclosures About Market Risk	73
	Item 4. Controls and Procedures	74
PART II. Other Information
	Item 1. Legal Proceedings	75
	Item 1A. Risk Factors	75
	Item 2. Unregistered Sales of Equity Securities and Use of Proceeds	75
	Item 5. Other Information	75
	Item 6. Exhibits	76
	Signatures	77

2

ASSOCIATED BANC-CORP

Commonly Used Terms

The following listing provides a reference of common acronyms, abbreviations, and other defined terms used throughout the document:

ACLL	Allowance for Credit Losses on Loans
AFS	Available for Sale
ALCO	Asset / Liability Committee
ASU	Accounting Standards Update
the Bank	Associated Bank, National Association
Basel III	International framework established by the Basel Committee on Banking Supervision for the regulation of capital and liquidity
bp	basis point(s)
BTFP	Bank Term Funding Program
CDs	Certificates of Deposit
CDIs	Core Deposit Intangibles
CECL	Current Expected Credit Losses
CET1	Common Equity Tier 1
CFPB	Consumer Financial Protection Bureau
Corporation / our	Associated Banc-Corp collectively with all of its subsidiaries and affiliates
CRA	Community Reinvestment Act
CRE	Commercial Real Estate
EAR	Earnings at Risk
Exchange Act	Securities Exchange Act of 1934, as amended
FDIC	Federal Deposit Insurance Corporation
Federal Reserve	Board of Governors of the Federal Reserve System
FFELP	Federal Family Education Loan Program
FHLB	Federal Home Loan Bank
FHLMC	Federal Home Loan Mortgage Corporation
FICO	Fair Isaac Corporation, provider of a broad-based risk score to aid in credit decisions
FNMA	Federal National Mortgage Association
FTEs	Full-time equivalent employees
FTP	Funds Transfer Pricing
GAAP	Generally Accepted Accounting Principles
GNMA	Government National Mortgage Association
GSE	Government-Sponsored Enterprise
HTM	Held to Maturity
LTV	Loan-to-Value
Moody's	Moody’s Investors Service
MSRs	Mortgage Servicing Rights
MVE	Market Value of Equity
NAV	Measured at fair value using Net Asset Value per share (or its equivalent) as a practical expedient
Net Free Funds	Noninterest-bearing sources of funds
NPAs	Nonperforming Assets
OCI	Other Comprehensive Income
OREO	Other Real Estate Owned
Parent Company	Associated Banc-Corp individually
RAP	Retirement Account Plan - the Corporation's noncontributory defined benefit retirement plan
Repurchase Agreements	Securities sold under agreements to repurchase

3

Restricted Stock Awards	Restricted common stock and restricted common stock units to certain key employees
Retirement Eligible Colleagues	Colleagues whose retirement meets the early retirement or normal retirement definitions under the applicable equity compensation plan
ROCET1	Return on Common Equity Tier 1
SBA	Small Business Administration
SEC	U.S. Securities and Exchange Commission
Series E Preferred Stock	The Corporation's 5.875% Non-Cumulative Perpetual Preferred Stock, Series E, liquidation preference $1,000 per share
Series F Preferred Stock	The Corporation's 5.625% Non-Cumulative Perpetual Preferred Stock, Series F, liquidation preference $1,000 per share
YTD	Year-to-Date

4

PART I - FINANCIAL INFORMATION
ITEM 1.	Financial Statements:

ASSOCIATED BANC-CORP

Consolidated Balance Sheets

	Jun 30, 2024		Dec 31, 2023
(In thousands, except share and per share data)	(Unaudited)		(Audited)
Assets
Cash and due from banks	$	470,818	$	484,384
Interest-bearing deposits in other financial institutions	484,677		425,089
Federal funds sold and securities purchased under agreements to resell	3,600		14,350
AFS investment securities, at fair value	3,912,730		3,600,892
HTM investment securities, net, at amortized cost	3,799,035		3,860,160
Equity securities	22,944		41,651
FHLB and Federal Reserve Bank stocks, at cost	212,102		229,171
Residential loans held for sale	83,795		33,011
Commercial loans held for sale	—		90,303
Loans	29,618,271		29,216,218
Allowance for loan losses	(355,844)		(351,094)
Loans, net	29,262,428		28,865,124
Tax credit and other investments	246,300		258,067
Premises and equipment, net	369,968		372,978
Bank and corporate owned life insurance	683,451		682,649
Goodwill	1,104,992		1,104,992
Other intangible assets, net	36,066		40,471
Mortgage servicing rights, net	85,640		84,390
Interest receivable	173,106		169,569
Other assets	672,256		658,604
Total assets	$	41,623,908	$	41,015,855
Liabilities and stockholders' equity
Noninterest-bearing demand deposits	$	5,815,045	$	6,119,956
Interest-bearing deposits	26,875,995		27,326,093
Total deposits	32,691,039		33,446,049
Short-term funding	859,539		326,780
FHLB advances	2,673,046		1,940,194
Other long-term funding	536,113		541,269
Allowance for unfunded commitments	33,776		34,776
Accrued expenses and other liabilities	588,057		552,814
Total liabilities	$	37,381,571	$	36,841,882
Stockholders’ equity
Preferred equity	$	194,112	$	194,112
Common equity
Common stock	$	1,752	$	1,752
Surplus	1,711,316		1,714,822
Retained earnings	3,070,762		2,946,805
Accumulated other comprehensive (loss)	(219,214)		(171,096)
Treasury stock, at cost	(516,391)		(512,421)
Total common equity	4,048,225		3,979,861
Total stockholders’ equity	4,242,337		4,173,973
Total liabilities and stockholders’ equity	$	41,623,908	$	41,015,855
Preferred shares authorized (par value $1.00 per share)	750,000		750,000
Preferred shares issued and outstanding	200,000		200,000
Common shares authorized (par value $0.01 per share)	250,000,000		250,000,000
Common shares issued	175,216,409		175,216,409
Common shares outstanding	150,785,257		151,036,674

Numbers may not sum due to rounding.

See accompanying notes to consolidated financial statements.

5

Item 1. Financial Statements Continued:

ASSOCIATED BANC-CORP

Consolidated Statements of Income (Unaudited)

	Three Months Ended Jun 30,				Six Months Ended Jun 30,
(In thousands, except per share data)	2024		2023		2024		2023
Interest income
Interest and fees on loans	$	456,788	$	423,307	$	911,260	$	814,626
Interest and dividends on investment securities
Taxable	50,278		35,845		96,826		65,987
Tax-exempt	14,669		15,994		29,443		32,019
Other interest	8,539		6,086		16,133		11,415
Total interest income	530,274		481,231		1,053,662		924,048
Interest expense
Interest on deposits	221,062		162,196		447,293		271,618
Interest on federal funds purchased and securities sold under agreements to repurchase	2,303		2,261		5,166		5,404
Interest on other short-term funding	6,077		—		10,785		1
Interest on FHLB advances	34,143		49,261		55,814		99,222
Interest on long-term funding	10,096		9,596		20,154		15,876
Total interest expense	273,681		223,314		539,211		392,121
Net interest income	256,593		257,917		514,451		531,927
Provision for credit losses	23,008		22,100		47,009		40,071
Net interest income after provision for credit losses	233,585		235,817		467,442		491,856
Noninterest income
Wealth management fees	22,628		20,483		44,323		40,672
Service charges and deposit account fees	12,263		12,372		24,702		25,366
Card-based fees	11,975		11,396		23,242		21,982
Other fee-based revenue	4,857		4,465		9,259		8,740
Capital markets, net	4,685		5,093		8,735		10,176
Mortgage banking, net	2,505		7,768		5,166		11,313
Bank and corporate owned life insurance	4,584		2,172		7,154		4,835
Asset (losses), net	(627)		(299)		(933)		(35)
Investment securities gains, net	67		14		3,947		66
Other	2,222		2,080		4,549		4,501
Total noninterest income	65,159		65,543		130,144		127,616
Noninterest expense
Personnel	121,581		114,089		240,976		230,510
Technology	27,161		24,220		53,362		47,818
Occupancy	13,128		13,587		26,761		28,650
Business development and advertising	7,535		7,106		14,052		12,955
Equipment	4,450		4,975		9,049		9,906
Legal and professional	4,429		4,831		9,101		8,688
Loan and foreclosure costs	1,793		1,635		3,771		2,773
FDIC assessment	7,131		9,550		21,077		16,425
Other intangible amortization	2,203		2,203		4,405		4,405
Other	6,450		8,476		10,963		15,955
Total noninterest expense	195,861		190,673		393,518		378,086
Income before income taxes	102,884		110,687		204,068		241,386
Income tax (benefit) expense	(12,689)		23,533		7,326		50,873
Net income	115,573		87,154		196,742		190,514
Preferred stock dividends	2,875		2,875		5,750		5,750
Net income available to common equity	$	112,698	$	84,279	$	190,992	$	184,764
Earnings per common share
Basic	$	0.75	$	0.56	$	1.27	$	1.23
Diluted	$	0.74	$	0.56	$	1.26	$	1.22
Average common shares outstanding
Basic	149,872		149,986		149,864		149,875
Diluted	151,288		150,870		151,310		150,903

Numbers may not sum due to rounding.

See accompanying notes to consolidated financial statements.

6

Item 1. Financial Statements Continued:

ASSOCIATED BANC-CORP

Consolidated Statements of Comprehensive Income (Unaudited)

	Three Months Ended Jun 30,				Six Months Ended Jun 30,
($ in thousands)	2024		2023		2024		2023
Net income	$	115,573	$	87,154	$	196,742	$	190,514
Other comprehensive (loss), net of tax
AFS investment securities
Net unrealized (losses)	(11,126)		(49,066)		(41,014)		(12,588)
Amortization of net unrealized losses on AFS securities transferred to HTM securities	2,122		2,289		4,182		4,556
Reclassification adjustment for net losses realized in net income	—		—		197		—
Income tax benefit	2,253		11,843		9,138		1,951
Other comprehensive (loss) on AFS securities	(6,751)		(34,934)		(27,498)		(6,081)
Cash flow hedge derivatives
Net unrealized (losses)	(6,787)		(34,147)		(26,248)		(20,384)
Reclassification adjustment for net losses realized in net income	4,769		3,319		9,592		4,581
Income tax (expense) benefit	(503)		7,867		(2,192)		3,173
Other comprehensive (loss) on cash flow hedge derivatives	(2,522)		(22,961)		(18,848)		(12,630)
Defined benefit pension and postretirement obligations
Amortization of prior service cost	(73)		(81)		(144)		(163)
Amortization of actuarial (gain) loss	(7)		(7)		(14)		22
Income tax benefit (expense)	20		(71)		(1,614)		8
Other comprehensive (loss) on pension and postretirement obligations	(60)		(159)		(1,772)		(132)
Total other comprehensive (loss)	(9,333)		(58,054)		(48,117)		(18,843)
Comprehensive income	$	106,241	$	29,100	$	148,625	$	171,671

Numbers may not sum due to rounding.

See accompanying notes to consolidated financial statements.

7

Item 1. Financial Statements Continued:

ASSOCIATED BANC-CORP

Consolidated Statements of Changes in Stockholders’ Equity (Unaudited)

(In thousands, except per share data)	Preferred Equity		Common Stock		Surplus		Retained Earnings		Accumulated Other Comprehensive  (Loss)		Treasury Stock		Total
Balance, December 31, 2023	$	194,112	$	1,752	$	1,714,822	$	2,946,805	$	(171,096)	$	(512,421)	$	4,173,973
Comprehensive income:
Net income	—		—		—		81,169		—		—		81,169
Other comprehensive (loss)	—		—		—		—		(38,785)		—		(38,785)
Comprehensive income													42,384
Common stock issued:
Stock-based compensation plans, net	—		—		(13,839)		—		—		17,749		3,910
Purchase of treasury stock, open market purchases	—		—		—		—		—		(18,289)		(18,289)
Purchase of treasury stock, stock-based compensation plans	—		—		—		—		—		(4,572)		(4,572)
Cash dividends:
Common stock, $0.22 per share	—		—		—		(33,527)		—		—		(33,527)
Preferred stock(a)	—		—		—		(2,875)		—		—		(2,875)
Stock-based compensation expense, net	—		—		7,669		—		—		—		7,669
Balance, March 31, 2024	$	194,112	$	1,752	$	1,708,652	$	2,991,571	$	(209,881)	$	(517,533)	$	4,168,673
Comprehensive income:
Net income	—		—		—		115,573		—		—		115,573
Other comprehensive (loss)	—		—		—		—		(9,333)		—		(9,333)
Comprehensive income													106,241
Common stock issued:
Stock-based compensation plans, net	—		—		(1,704)		—		—		2,230		526
Purchase of treasury stock, stock-based compensation plans	—		—		—		—		—		(1,088)		(1,088)
Cash dividends:
Common stock, $0.22 per share	—		—		—		(33,507)		—		—		(33,507)
Preferred stock(a)	—		—		—		(2,875)		—		—		(2,875)
Stock-based compensation expense, net	—		—		4,368		—		—		—		4,368
Balance, June 30, 2024	$	194,112	$	1,752	$	1,711,316	$	3,070,762	$	(219,214)	$	(516,391)	$	4,242,337

Numbers may not sum due to rounding.

(a) Series E, $0.3671875 per share; and Series F, $0.3515625 per share.

8

ASSOCIATED BANC-CORP

Consolidated Statements of Changes in Stockholders’ Equity (Unaudited)

(In thousands, except per share data)	Preferred Equity		Common Stock		Surplus		Retained Earnings		Accumulated Other Comprehensive Income (Loss)		Treasury Stock		Total
Balance, December 31, 2022	$	194,112	$	1,752	$	1,712,733	$	2,904,882	$	(272,799)	$	(525,190)	$	4,015,490
Comprehensive income:
Net income	—		—		—		103,360		—		—		103,360
Other comprehensive income	—		—		—		—		39,211		—		39,211
Comprehensive income													142,571
Common stock issued:
Stock-based compensation plans, net	—		—		(12,612)		—		—		14,379		1,766
Purchase of treasury stock, stock-based compensation plans	—		—		—		—		—		(5,362)		(5,362)
Cash dividends:
Common stock, $0.21 per share	—		—		—		(32,013)		—		—		(32,013)
Preferred stock(a)	—		—		—		(2,875)		—		—		(2,875)
Stock-based compensation expense, net	—		—		6,086		—		—		—		6,086
Balance, March 31, 2023	$	194,112	$	1,752	$	1,706,206	$	2,973,354	$	(233,588)	$	(516,173)	$	4,125,663
Comprehensive income:
Net income	—		—		—		87,154		—		—		87,154
Other comprehensive (loss)	—		—		—		—		(58,054)		—		(58,054)
Comprehensive income													29,100
Common stock issued:
Stock-based compensation plans, net	—		—		(1,677)		—		—		1,770		93
Purchase of treasury stock, stock-based compensation plans	—		—		—		—		—		(884)		(884)
Cash dividends:
Common stock, $0.21 per share	—		—		—		(31,996)		—		—		(31,996)
Preferred stock(a)	—		—		—		(2,875)		—		—		(2,875)
Stock-based compensation expense, net	—		—		3,773		—		—		—		3,773
Balance, June 30, 2023	$	194,112	$	1,752	$	1,708,303	$	3,025,637	$	(291,642)	$	(515,287)	$	4,122,874

Numbers may not sum due to rounding.

(a) Series E, $0.3671875 per share; and Series F, $0.3515625 per share.

See accompanying notes to consolidated financial statements.

9

Item 1. Financial Statements Continued:

ASSOCIATED BANC-CORP

Consolidated Statements of Cash Flows (Unaudited)

	Six Months Ended Jun 30,
($ in thousands)	2024		2023
Cash flows from operating activities
Net income	$	196,742	$	190,514
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for credit losses	47,009		40,071
Depreciation and amortization	24,519		22,914
Change in MSRs valuation	(2,567)		(5,135)
Amortization of other intangible assets	4,405		4,405
Amortization and accretion on earning assets, funding, and other, net	20,405		16,509
Net amortization of tax credit investments	17,788		17,227
(Gains) on sales of investment securities, net	(3,857)		—
Asset losses, net	933		35
Loss on mortgage banking activities, net	882		1,389
Mortgage loans originated and acquired for sale	(274,358)		(168,395)
Proceeds from sales of mortgage loans held for sale	228,732		151,167
Changes in certain assets and liabilities:
(Increase) in interest receivable	(3,537)		(14,736)
Increase in interest payable	13,646		44,367
(Decrease) in expense payable	(15,042)		(40,882)
Increase (decrease) in net derivative position	10,523		(37,175)
Net change in other assets and other liabilities	1,772		(43,503)
Net cash provided by operating activities	267,996		178,771
Cash flows from investing activities
Net (increase) in loans	(378,926)		(1,054,924)
Purchases of:
AFS securities	(695,457)		(948,326)
HTM securities	—		(41,524)
FHLB and Federal Reserve Bank stocks and equity securities	(99,192)		(97,622)
Proceeds from:
Sales of AFS securities	9,472		—
Sale of FHLB and Federal Reserve Bank stocks and equity securities	139,110		115,975
Prepayments, calls, and maturities of AFS securities	328,990		172,680
Prepayments, calls, and maturities of HTM securities	62,894		62,212
Sales, prepayments, calls, and maturities of other assets	1,700		17,988
Premises, equipment, and software	(20,016)		(29,663)
Net change in tax credit and alternative investments	(3,667)		(14,116)
Net cash (used in) investing activities	(655,093)		(1,817,320)
Cash flows from financing activities
Net (decrease) increase in deposits	(755,009)		2,378,308
Net increase (decrease) in short-term funding	532,759		(264,684)
Net increase (decrease) in short-term FHLB advances	735,000		(685,000)
Repayment of long-term FHLB advances	(696)		(537)
Proceeds from long-term FHLB advances	2,656		115
Proceeds from issuance of long-term funding	—		292,740
(Repayment) of finance lease principal	(44)		(43)
Proceeds from issuance of common stock for stock-based compensation plans	4,436		1,859
Purchase of treasury stock, open market purchases	(18,289)		—
Purchase of treasury stock, stock-based compensation plans	(5,660)		(6,246)
Cash dividends on common stock	(67,034)		(64,009)
Cash dividends on preferred stock	(5,750)		(5,750)
Net cash provided by financing activities	422,369		1,646,755
Net increase in cash and cash equivalents	35,272		8,207
Cash and cash equivalents at beginning of period	923,823		621,455
Cash and cash equivalents at end of period(a)	$	959,094	$	629,662

Numbers may not sum due to rounding.

(a) No restricted cash due to the Federal Reserve reducing the required reserve ratio to zero.

10

ASSOCIATED BANC-CORP

Consolidated Statements of Cash Flows (Unaudited)

	Six Months Ended Jun 30,
($ in thousands)	2024		2023
Supplemental disclosures of cash flow information
Cash paid for interest	$	525,006	$	347,202
Cash paid for income and franchise taxes	3,413		58,985
Loans and bank premises transferred to OREO	1,340		3,632
Capitalized mortgage servicing rights	2,490		1,322
Loans transferred (from) held for sale (into) portfolio, net	(84,559)		(840)
Fair value adjustments on hedged long-term FHLB advances and subordinated debt	9,779		9,651
Fair value adjustments on foreign currency exchange forwards	2,113		(704)
Fair value adjustment on cash flow hedges	(18,848)		(12,630)

11

Item 1. Financial Statements Continued:

ASSOCIATED BANC-CORP

Notes to Consolidated Financial Statements

These interim consolidated financial statements have been prepared according to the rules and regulations of the SEC and, therefore, certain information and footnote disclosures normally presented in accordance with GAAP have been omitted or abbreviated. The information contained on the consolidated financial statements and footnotes in Associated Banc-Corp's 2023 Annual Report on Form 10-K should be referred to in connection with the reading of these unaudited interim consolidated financial statements.

Note 1 Basis of Presentation

In the opinion of management, the accompanying unaudited consolidated financial statements contain all adjustments necessary to present fairly the financial position, results of operations and comprehensive income, changes in stockholders’ equity, and cash flows of the Corporation and Parent Company for the periods presented, and all such adjustments are of a normal recurring nature. The consolidated financial statements include the accounts of all subsidiaries. All significant intercompany transactions and balances have been eliminated in consolidation. The results of operations for the interim periods are not necessarily indicative of the results to be expected for the full year.

In preparing the consolidated financial statements, management is required to make estimates and assumptions that affect the reported amounts of assets and liabilities as of the date of the balance sheet and revenues and expenses for the period. Actual results could differ significantly from those estimates. The determination of the ACLL is particularly susceptible to significant change. Management has evaluated subsequent events for potential recognition or disclosure.

Within the tables presented, certain columns and rows may not sum due to the use of rounded numbers for disclosure purposes.

Note 2 Summary of Significant Accounting Policies

The accounting and reporting policies of the Corporation conform to U.S. GAAP and to general practice within the financial services industry. A discussion of these policies can be found in Note 1 Summary of Significant Accounting Policies included in the Corporation’s 2023 Annual Report on Form 10-K.

New Accounting Pronouncements Adopted

Standard	Description	Date of adoption	Effect on financial statements
ASU 2023-02 Investments-Equity Method and Joint Ventures (Topic 323): Accounting for Investments in Tax Credit Structures Using the Proportional Amortization Method	The amendments in this update permit reporting entities to elect to account for their tax equity investments, regardless of the tax credit program from which the income tax credits are received, using the proportional amortization method if certain conditions are met. A reporting entity may make an accounting policy election to apply the proportional amortization method on a tax-credit-program-by-tax-credit-program basis rather than electing to apply the proportional amortization method at the reporting entity level or to individual investments. The amendments in this update also remove certain guidance for Qualified Affordable Housing Project investments and require the application of the delayed equity contribution guidance to all tax equity investments. The amendments in this update are effective for fiscal years beginning after December 15, 2023, and must be applied on either a modified retrospective or a retrospective basis. Early adoption is permitted in any interim period, however if adopted in an interim period the entity shall adopt the amendments in this update as of the beginning of the fiscal year that includes the interim period.	1st quarter 2024	The Corporation has determined the impact on its results of operation, financial position, liquidity, and disclosures is immaterial.

12

Future Accounting Pronouncements

The expected impact of applicable material accounting pronouncements recently issued or proposed but not yet required to be adopted are discussed in the table below. To the extent that the adoption of new accounting standards materially affects the Corporation's financial condition, results of operations, liquidity or disclosures, the impacts are discussed in the applicable sections of this financial review.

Standard	Description	Date of anticipated adoption	Effect on financial statements
ASU 2023-07 Segment Reporting (Topic 280): Improvements to Reportable Segment Disclosures	The amendments in this update improve financial reporting by requiring disclosure of incremental segment information on an annual and interim basis for all public entities to enable investors to develop more decision-useful financial analyses. The amendments in this update also do not change how a public entity identifies its operating segments, aggregates those operating segments, or applies the quantitative thresholds to determine its reportable segments. The amendments in this update are effective for fiscal years beginning after December 15, 2023, and interim periods within fiscal years beginning after December 15, 2024. Early adoption is permitted.	Fiscal year 2024 and interim periods beginning in 1st quarter 2025	The Corporation is currently evaluating the impact on its disclosures.
ASU 2023-09 Income Taxes (Topic 740): Improvements to Income Tax Disclosures	The amendments in this update address investor requests for more transparency about income tax information through improvements to income tax disclosures primarily related to the rate reconciliation and income taxes paid information. This update also includes certain other amendments to improve the effectiveness of income tax disclosures. The amendments in this update are effective for fiscal years beginning after December 15, 2024 and are to be applied on a prospective basis. Early adoption is permitted.	Fiscal year 2025	The Corporation is currently evaluating the impact on its disclosures.

Note 3 Earnings Per Common Share

Earnings per common share are calculated utilizing the two-class method. Basic earnings per common share are calculated by dividing the sum of distributed earnings to common shareholders and undistributed earnings allocated to common shareholders by the weighted average number of common shares outstanding. Diluted earnings per common share are calculated by dividing the sum of distributed earnings to common shareholders and undistributed earnings allocated to common shareholders by the weighted average number of common shares outstanding adjusted for the dilutive effect of common stock awards (outstanding stock options and unvested restricted stock awards). Presented below are the calculations for basic and diluted earnings per common share:

	Three Months Ended Jun 30,				Six Months Ended Jun 30,
($ in thousands, except per share data)	2024		2023		2024		2023
Net income	$	115,573	$	87,154	$	196,742	$	190,514
Preferred stock dividends	(2,875)		(2,875)		(5,750)		(5,750)
Net income available to common equity	112,698		84,279		190,992		184,764
Common shareholder dividends	(33,310)		(31,802)		(66,718)		(63,611)
Unvested share-based payment awards	(197)		(194)		(317)		(398)
Undistributed earnings	$	79,191	$	52,283	$	123,958	$	120,755
Undistributed earnings allocated to common shareholders	$	78,723	$	51,965	$	123,256	$	120,047
Undistributed earnings allocated to unvested share-based payment awards	468		318		702		708
Undistributed earnings	$	79,191	$	52,283	$	123,958	$	120,755
Basic
Distributed earnings to common shareholders	$	33,310	$	31,802	$	66,718	$	63,611
Undistributed earnings allocated to common shareholders	78,723		51,965		123,256		120,047
Total common shareholders earnings, basic	$	112,034	$	83,768	$	189,974	$	183,658
Diluted
Distributed earnings to common shareholders	$	33,310	$	31,802	$	66,718	$	63,611
Undistributed earnings allocated to common shareholders	78,723		51,965		123,256		120,047
Total common shareholders earnings, diluted	$	112,034	$	83,768	$	189,974	$	183,658
Weighted average common shares outstanding	149,872		149,986		149,864		149,875
Effect of dilutive common stock awards	1,416		884		1,446		1,027
Diluted weighted average common shares outstanding	151,288		150,870		151,310		150,903
Basic earnings per common share	$	0.75	$	0.56	$	1.27	$	1.23
Diluted earnings per common share	$	0.74	$	0.56	$	1.26	$	1.22

13

Excluded from the earnings per common share calculations were 2 million and 5 million anti-dilutive common stock options for the three months ended June 30, 2024 and 2023, respectively, and 2 million and 3 million anti-dilutive common stock options were excluded from the earnings per common share calculations for the six months ended June 30, 2024 and 2023, respectively.

Note 4 Stock-Based Compensation

The fair values of stock options and restricted stock awards are amortized as compensation expense on a straight-line basis over the vesting period of the grants. For colleagues who meet the definition of retirement eligible under the 2017 Incentive Compensation Plan and the 2020 Incentive Compensation Plan, expenses related to stock options and restricted stock awards are fully recognized on the date the colleague meets the definition of normal or early retirement. Compensation expense recognized is included in personnel expense on the consolidated statements of income.

A summary of the Corporation’s stock option activity for the six months ended June 30, 2024 is presented below:

Stock Options	Shares(a)	Weighted Average Exercise Price		Weighted Average Remaining Contractual Term	Aggregate Intrinsic Value(a)
Outstanding at December 31, 2023	3,792	$	21.25	4.26 years	$	5,834
Exercised	230	17.20
Forfeited or expired	33	24.64
Outstanding at June 30, 2024	3,528	$	21.48	3.81 years	$	4,477
Options Exercisable at June 30, 2024	3,528	$	21.48	3.81 years	$	4,477

(a) In thousands

Intrinsic value represents the amount by which the fair market value of the underlying stock exceeds the exercise price of the stock option. For the six months ended June 30, 2024, the intrinsic value of stock options exercised was approximately $970,000, compared to approximately $220,000 for the six months ended June 30, 2023. For the six months ended June 30, 2024, the total fair value of stock options vested was approximately $489,000 compared to approximately $955,000 for the six months ended June 30, 2023.

The Corporation also has issued time-based and performance-based restricted stock awards under the 2017 Incentive Compensation Plan and 2020 Incentive Compensation Plan. Performance awards are based on performance goals determined by the Compensation and Benefits Committee of the Corporation's Board of Directors, with vesting ranging from a minimum of 0% to a maximum of 150% of the target award. Performance awards are valued utilizing a Monte Carlo simulation model to estimate fair value of the awards at the grant date.

The following table summarizes information about the Corporation’s restricted stock awards activity for the six months ended June 30, 2024:

Restricted Stock	Shares(a)	Weighted Average Grant Date Fair Value
Outstanding at December 31, 2023	2,349	$	21.20
Granted	814	20.89
Vested	732	23.98
Forfeited	23	22.13
Outstanding at June 30, 2024	2,408	$	21.28

(a) In thousands

The Corporation amortizes the expense related to restricted stock awards as compensation expense over the vesting period specified in the grant's award agreement. Performance-based restricted stock awards granted during 2023 and 2024 will cliff-vest after the three year performance period has ended. Service-based restricted stock awards granted during 2023 and 2024 will generally vest ratably over a period of four years. Expense for restricted stock awards of $12 million was recorded for the six months ended June 30, 2024, compared to $10 million for the six months ended June 30, 2023. Included in compensation expense for the first six months of 2024 was $4 million of expense for the accelerated vesting of restricted stock awards granted to retirement eligible colleagues. The Corporation had $25 million of unrecognized compensation costs related to restricted stock awards at June 30, 2024 that are expected to be recognized over the remaining requisite service periods that extend predominately through the first quarter of 2028.

The Corporation has the ability to issue shares from treasury or new shares upon the exercise of stock options or the granting of restricted stock awards. The Board of Directors has authorized management to repurchase shares of the Corporation’s common stock, to be made available for issuance in connection with the Corporation’s employee incentive plans and for other corporate purposes. The repurchase of shares, if any, will be based on market and investment opportunities, capital levels, growth prospects, and regulatory constraints. Such repurchases may occur from time to time in open market purchases, block transactions, private transactions, accelerated share repurchase programs, or similar facilities.

14

Note 5 Investment Securities

Investment securities are designated as AFS, HTM, or equity on the consolidated balance sheets. The amortized cost and fair values of AFS and HTM securities at June 30, 2024 were as follows:

($ in thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized (Losses)		Fair Value
AFS investment securities
U.S. Treasury securities	$	39,986	$	—	$	(4,349)	$	35,638
Obligations of state and political subdivisions (municipal securities)	82,876		—		(4,369)		78,507
Residential mortgage-related securities:
FNMA/FHLMC	1,224,824		172		(160,678)		1,064,318
GNMA	2,450,628		3,725		(13,545)		2,440,808
Commercial mortgage-related securities:
FNMA/FHLMC	18,513		—		(1,230)		17,283
GNMA	158,257		—		(8,458)		149,799
Asset backed securities:
FFELP	123,720		43		(998)		122,765
SBA	667		—		(27)		640
Other debt securities	3,000		—		(27)		2,973
Total AFS investment securities	$	4,102,470	$	3,941	$	(193,681)	$	3,912,730
HTM investment securities
U.S. Treasury securities	$	1,000	$	—	$	(22)	$	978
Obligations of state and political subdivisions (municipal securities)	1,668,494		1,411		(172,235)		1,497,670
Residential mortgage-related securities:
FNMA/FHLMC	916,966		25,024		(188,333)		753,657
GNMA	46,392		11		(3,866)		42,536
Private-label	335,148		8,955		(70,211)		273,892
Commercial mortgage-related securities:
FNMA/FHLMC	776,717		11,429		(157,363)		630,783
GNMA	54,403		289		(7,256)		47,436
Total HTM investment securities	$	3,799,119	$	47,119	$	(599,286)	$	3,246,952

15

The amortized cost and fair values of AFS and HTM securities at December 31, 2023 were as follows:

($ in thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized (Losses)		Fair Value
AFS investment securities
U.S. Treasury securities	$	39,984	$	—	$	(4,083)	$	35,902
Obligations of state and political subdivisions (municipal securities)	94,008		23		(2,214)		91,817
Residential mortgage-related securities:
FNMA/FHLMC	1,274,052		294		(153,552)		1,120,794
GNMA	2,021,242		24,254		(2,822)		2,042,675
Commercial mortgage-related securities:
FNMA/FHLMC	18,691		—		(1,755)		16,937
GNMA	161,928		—		(7,135)		154,793
Asset backed securities:
FFELP	135,832		5		(1,862)		133,975
SBA	1,077		2		(28)		1,051
Other debt securities	3,000		—		(50)		2,950
Total AFS investment securities	$	3,749,814	$	24,579	$	(173,501)	$	3,600,892
HTM investment securities
U.S. Treasury securities	$	999	$	—	$	(36)	$	963
Obligations of state and political subdivisions (municipal securities)	1,682,473		5,638		(134,053)		1,554,059
Residential mortgage-related securities:
FNMA/FHLMC	941,973		27,007		(164,587)		804,393
GNMA	48,979		92		(2,901)		46,170
Private-label	345,083		9,796		(65,372)		289,507
Commercial mortgage-related securities:
FNMA/FHLMC	780,995		12,699		(160,781)		632,914
GNMA	59,733		386		(7,500)		52,619
Total HTM investment securities	$	3,860,235	$	55,619	$	(535,230)	$	3,380,624

Expected maturities may differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties. The expected maturities of AFS and HTM securities at June 30, 2024, are shown below:

	AFS					HTM
($ in thousands)	Amortized Cost		Fair Value			Amortized Cost		Fair Value
Due in one year or less	$	2,000	$	1,983		$	6,288	$	6,240
Due after one year through five years	51,062		45,997			61,651		60,374
Due after five years through ten years	45,931		42,937			175,169		166,153
Due after ten years	26,868		26,201			1,426,386		1,265,882
Total debt securities	125,862		117,118			1,669,494		1,498,648
Residential mortgage-related securities:
FNMA/FHLMC	1,224,824		1,064,318			916,966		753,657
GNMA	2,450,628		2,440,808			46,392		42,536
Private-label	—		—			335,148		273,892
Commercial mortgage-related securities:
FNMA/FHLMC	18,513		17,283			776,717		630,783
GNMA	158,257		149,799			54,403		47,436
Asset backed securities:
FFELP	123,720		122,765			—		—
SBA	667		640			—		—
Total investment securities	$	4,102,470	$	3,912,730		$	3,799,119	$	3,246,952
Ratio of fair value to amortized cost			95.4		%			85.5		%

16

On a quarterly basis, the Corporation refreshes the credit quality of each HTM security. The following table summarizes the credit quality indicators of HTM securities at amortized cost at June 30, 2024:

($ in thousands)	AAA		AA		A		Not Rated		Total
U.S. Treasury securities	$	1,000	$	—	$	—	$	—	$	1,000
Obligations of state and political subdivisions (municipal securities)	766,531		894,406		5,494		2,063		1,668,494
Residential mortgage-related securities:
FNMA/FHLMC	916,966		—		—		—		916,966
GNMA	46,392		—		—		—		46,392
Private-label	335,148		—		—		—		335,148
Commercial mortgage-related securities:
FNMA/FHLMC	776,717		—		—		—		776,717
GNMA	54,403		—		—		—		54,403
Total HTM securities	$	2,897,156	$	894,406	$	5,494	$	2,063	$	3,799,119

The following table summarizes the credit quality indicators of HTM securities at amortized cost at December 31, 2023:

($ in thousands)	AAA		AA		A		Not Rated		Total
U.S. Treasury securities	$	999	$	—	$	—	$	—	$	999
Obligations of state and political subdivisions (municipal securities)	760,329		915,303		5,687		1,155		1,682,473
Residential mortgage-related securities:
FNMA/FHLMC	941,973		—		—		—		941,973
GNMA	48,979		—		—		—		48,979
Private-label	345,083		—		—		—		345,083
Commercial mortgage-related securities:
FNMA/FHLMC	780,995		—		—		—		780,995
GNMA	59,733		—		—		—		59,733
Total HTM securities	$	2,938,090	$	915,303	$	5,687	$	1,155	$	3,860,235

The following table summarizes gross realized gains and losses on AFS securities, the gain on sale and net write-up of equity securities, and proceeds from the sale of AFS investment securities for the three and six months ended June 30, 2024 and 2023:

	Three Months Ended Jun 30,				Six Months Ended Jun 30,
($ in thousands)	2024		2023		2024		2023
Gross realized (losses) on AFS securities	$	—	$	—	$	(197)	$	—
Gain on sale and net write-up (down) of equity securities	67		14		4,143		66
Investment securities gains, net	$	67	$	14	$	3,947	$	66
Proceeds from sales of AFS investment securities	$	—	$	—	$	9,472	$	—

During the first quarter of 2024, the Corporation sold its remaining Visa Class B restricted shares at a gain of $4 million.

Investment securities with a carrying value of $1.3 billion and $1.6 billion at June 30, 2024 and December 31, 2023, respectively, were pledged as required to secure certain deposits or for other purposes.

Accrued interest receivable on HTM securities totaled $18 million at both June 30, 2024 and December 31, 2023. Accrued interest receivable on AFS securities totaled $16 million and $15 million at June 30, 2024 and December 31, 2023, respectively. Accrued interest receivable on both HTM and AFS securities is included in interest receivable on the consolidated balance sheets.

The allowance for credit losses on HTM securities was approximately $84,000 at June 30, 2024 and approximately $75,000 at December 31, 2023, attributable entirely to the Corporation's municipal securities, included in HTM investment securities, net, at amortized cost on the consolidated balance sheets. The Corporation also holds U.S. Treasury, municipal, and mortgage-related securities issued by the U.S. government or a GSE which are backed by the full faith and credit of the U.S. government and private-label residential mortgage-related securities that have credit enhancement which covers the first 15% of losses and, as a result, no allowance for credit losses has been recorded related to these securities.

17

The following represents gross unrealized losses and the related fair value of AFS and HTM securities, aggregated by investment category and length of time individual securities have been in a continuous unrealized loss position, at June 30, 2024:

	Less than 12 months					12 months or more					Total
($ in thousands)	Number of Securities	Unrealized (Losses)		Fair Value		Number of Securities	Unrealized (Losses)		Fair Value		Unrealized (Losses)		Fair Value
AFS investment securities
U.S. Treasury securities	—	$	—	$	—	1	$	(4,349)	$	35,638	$	(4,349)	$	35,638
Obligations of state and political subdivisions (municipal securities)	25	(383)		11,594		112	(3,986)		65,278		(4,369)		76,872
Residential mortgage-related securities:
FNMA/FHLMC	17	(373)		25,524		87	(160,306)		1,025,295		(160,678)		1,050,819
GNMA	75	(8,837)		1,396,637		18	(4,709)		167,297		(13,545)		1,563,934
Commercial mortgage-related securities:
FNMA/FHLMC	—	—		—		1	(1,230)		17,283		(1,230)		17,283
GNMA	—	—		—		31	(8,458)		149,799		(8,458)		149,799
Asset backed securities:
FFELP	2	(72)		38,384		12	(925)		71,409		(998)		109,792
SBA	—	—		—		5	(27)		612		(27)		612
Other debt securities	—	—		—		3	(27)		2,973		(27)		2,973
Total	119	$	(9,664)	$	1,472,139	270	$	(184,017)	$	1,535,583	$	(193,681)	$	3,007,721
HTM investment securities
U.S. Treasury securities	—	$	—	$	—	1	$	(22)	$	978	$	(22)	$	978
Obligations of state and political subdivisions (municipal securities)	360	(8,558)		443,724		688	(163,676)		929,232		(172,235)		1,372,956
Residential mortgage-related securities:
FNMA/FHLMC	5	(52)		2,581		114	(188,281)		750,852		(188,333)		753,432
GNMA	6	(138)		8,508		80	(3,729)		34,028		(3,866)		42,536
Private-label	—	—		—		18	(70,211)		273,892		(70,211)		273,892
Commercial mortgage-related securities:
FNMA/FHLMC	—	—		—		45	(157,363)		630,783		(157,363)		630,783
GNMA	—	—		—		13	(7,256)		47,436		(7,256)		47,436
Total	371	$	(8,747)	$	454,813	959	$	(590,538)	$	2,667,200	$	(599,286)	$	3,122,012

18

For comparative purposes, the following represents gross unrealized losses and the related fair value of AFS and HTM securities, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position, at December 31, 2023:

	Less than 12 months					12 months or more					Total
($ in thousands)	Number of Securities	Unrealized (Losses)		Fair Value		Number of Securities	Unrealized (Losses)		Fair Value		Unrealized (Losses)		Fair Value
AFS investment securities
U.S. Treasury securities	—	$	—	$	—	1	$	(4,083)	$	35,902	$	(4,083)	$	35,902
Obligations of state and political subdivisions (municipal securities)	41	(347)		23,762		92	(1,867)		53,022		(2,214)		76,784
Residential mortgage-related securities:
FNMA/FHLMC	18	(333)		22,870		71	(153,219)		1,080,337		(153,552)		1,103,207
GNMA	13	(924)		156,847		5	(1,898)		26,643		(2,822)		183,490
Commercial mortgage-related securities:
FNMA/FHLMC	—	—		—		1	(1,755)		16,937		(1,755)		16,937
GNMA	9	(3,160)		103,055		22	(3,975)		51,738		(7,135)		154,793
Asset backed securities:
FFELP	—	—		—		14	(1,862)		125,339		(1,862)		125,339
SBA	—	—		—		5	(28)		761		(28)		761
Other debt securities	1	(9)		991		2	(42)		1,958		(50)		2,950
Total	82	$	(4,773)	$	307,527	213	$	(168,728)	$	1,392,635	$	(173,501)	$	1,700,162
HTM investment securities
U.S. Treasury securities	—	$	—	$	—	1	$	(36)	$	963	$	(36)	$	963
Obligations of state and political subdivisions (municipal securities)	182	(1,535)		180,270		537	(132,518)		792,940		(134,053)		973,210
Residential mortgage-related securities:
FNMA/FHLMC	20	(511)		30,323		94	(164,076)		771,042		(164,587)		801,365
GNMA	2	(17)		2,128		78	(2,884)		34,626		(2,901)		36,754
Private-label	—	—		—		18	(65,372)		289,507		(65,372)		289,507
Commercial mortgage-related securities:
FNMA/FHLMC	1	(121)		8,144		44	(160,660)		624,770		(160,781)		632,914
GNMA	—	—		—		13	(7,500)		52,619		(7,500)		52,619
Total	205	$	(2,184)	$	220,865	785	$	(533,046)	$	2,566,468	$	(535,230)	$	2,787,333

The Corporation reviews the AFS investment securities portfolio on a quarterly basis to monitor its credit exposure. A determination as to whether a security’s decline in fair value is the result of credit risk takes into consideration numerous factors and the relative significance of any single factor can vary by security. Some factors the Corporation may consider in this impairment analysis include the extent to which the security has been in an unrealized loss position, the change in security rating, financial condition and near-term prospects of the issuer, as well as the security and industry specific economic conditions.

Based on the Corporation’s evaluation, management does not believe any unrealized losses at June 30, 2024 represent credit deterioration as these unrealized losses are primarily attributable to changes in interest rates and the current market conditions. As of June 30, 2024, the Corporation does not intend to sell, nor does it believe that it will be required to sell, the securities in an unrealized loss position before recovery of their amortized cost basis.

FHLB and Federal Reserve Bank stocks: The Corporation is required to maintain Federal Reserve Bank stock and FHLB stock as a member bank of both the Federal Reserve System and the FHLB, and in amounts as required by these institutions. These equity securities are “restricted” in that they can only be sold back to the respective institutions or another member institution at par. Therefore, they are less liquid than other marketable equity securities and their fair value is equal to amortized cost. The Corporation had FHLB stock of $124 million and $143 million at June 30, 2024 and December 31, 2023, respectively. The Corporation had Federal Reserve Bank stock of $88 million and $87 million at June 30, 2024 and December 31, 2023, respectively. Accrued interest receivable on FHLB stock totaled $3 million and $4 million at June 30, 2024 and December 31, 2023, respectively. There was no accrued interest receivable on Federal Reserve Bank Stock at both June 30, 2024 and December 31, 2023. Accrued interest receivable on both FHLB stock and Federal Reserve Bank stock is included in interest receivable on the consolidated balance sheets.

19

Equity Securities

Equity securities with readily determinable fair values: The Corporation's portfolio of equity securities with readily determinable fair values is primarily comprised of mutual funds. The Corporation had equity securities with readily determinable fair values of $10 million and $7 million at June 30, 2024 and December 31, 2023, respectively.

Equity securities without readily determinable fair values: The Corporation's portfolio of equity securities without readily determinable fair values primarily consists of an investment in a private loan fund. The Corporation had equity securities without readily determinable fair values carried at $13 million and $35 million at June 30, 2024 and December 31, 2023, respectively. During the first quarter of 2024, the Corporation sold all of its remaining Visa Class B restricted shares.

Note 6 Loans

The period end loan composition was as follows:

($ in thousands)	Jun 30, 2024		Dec 31, 2023
Commercial and industrial	$	9,970,412	$	9,731,555
Commercial real estate — owner occupied	1,102,146		1,061,700
Commercial and business lending	11,072,558		10,793,255
Commercial real estate — investor	5,001,392		5,124,245
Real estate construction	2,255,637		2,271,398
Commercial real estate lending	7,257,029		7,395,644
Total commercial	18,329,587		18,188,898
Residential mortgage	7,840,073		7,864,891
Auto finance	2,556,009		2,256,162
Home equity	634,142		628,526
Other consumer	258,460		277,740
Total consumer	11,288,684		11,027,319
Total loans	$	29,618,271	$	29,216,218

Accrued interest receivable on loans totaled $136 million at June 30, 2024, and $132 million at December 31, 2023, and is included in interest receivable on the consolidated balance sheets. Interest accrued but not received is reversed against interest income when a loan is placed on nonaccrual. The amount of accrued interest reversed was $1 million for the three months ended June 30, 2024 and $2 million for the six months ended June 30, 2024, compared to $1 million for both the three and six months ended June 30, 2023.

20

The following table presents loans by credit quality indicator by origination year at June 30, 2024:

					Term Loans Amortized Cost Basis by Origination Year(a)
($ in thousands)	Rev Loans Converted to Term(a)		Rev Loans Amortized Cost Basis		YTD 2024		2023		2022		2021		2020		Prior		Total
Commercial and industrial:
Risk rating:
Pass	$	894	$	1,892,814	$	945,926	$	1,686,429	$	2,640,605	$	1,440,357	$	327,541	$	669,712	$	9,603,384
Special mention	15		33,301		200		10,597		3,565		26,148		—		—		73,811
Substandard	4,450		33,557		58,653		17,654		74,835		70,837		15,389		1,101		272,027
Nonaccrual	550		—		628		4,291		13,591		2,680		—		—		21,190
Commercial and industrial	$	5,910	$	1,959,672	$	1,005,407	$	1,718,971	$	2,732,596	$	1,540,022	$	342,931	$	670,813	$	9,970,412
Commercial real estate - owner occupied:
Risk rating:
Pass	$	—	$	10,090	$	94,971	$	195,479	$	180,063	$	230,991	$	129,599	$	207,113	$	1,048,306
Substandard	—		1,082		11,518		18,592		2,332		4,456		6,136		7,874		51,989
Nonaccrual	—		—		291		1,559		—		—		—		—		1,851
Commercial real estate - owner occupied	$	—	$	11,172	$	106,780	$	215,630	$	182,396	$	235,446	$	135,735	$	214,987	$	1,102,146
Commercial and business lending:
Risk rating:
Pass	$	894	$	1,902,904	$	1,040,896	$	1,881,908	$	2,820,669	$	1,671,348	$	457,140	$	876,825	$	10,651,690
Special mention	15		33,301		200		10,597		3,565		26,148		—		—		73,811
Substandard	4,450		34,639		70,171		36,246		77,167		75,293		21,526		8,974		324,016
Nonaccrual	550		—		919		5,850		13,591		2,680		—		—		23,041
Commercial and business lending	$	5,910	$	1,970,844	$	1,112,187	$	1,934,601	$	2,914,992	$	1,775,468	$	478,666	$	885,799	$	11,072,558
Commercial real estate - investor:
Risk rating:
Pass	$	—	$	127,015	$	640,800	$	1,015,192	$	1,267,257	$	838,190	$	384,729	$	479,713	$	4,752,897
Special mention	—		327		—		—		2,480		4,790		—		4,721		12,318
Substandard	—		—		40,381		76,079		36,228		23,571		—		11,669		187,928
Nonaccrual	—		—		18,374		24,115		—		5,760		—		—		48,249
Commercial real estate - investor	$	—	$	127,342	$	699,555	$	1,115,386	$	1,305,965	$	872,312	$	384,729	$	496,103	$	5,001,392
Real estate construction:
Risk rating:
Pass	$	—	$	23,785	$	113,941	$	453,799	$	1,121,881	$	463,239	$	26,048	$	11,480	$	2,214,172
Special mention	—		—		—		—		27,953		—		—		—		27,953
Substandard	—		—		—		—		13,495		—		—		—		13,495
Nonaccrual	—		—		—		—		—		—		—		16		16
Real estate construction	$	—	$	23,785	$	113,941	$	453,799	$	1,163,329	$	463,239	$	26,048	$	11,496	$	2,255,637
Commercial real estate lending:
Risk rating:
Pass	$	—	$	150,800	$	754,741	$	1,468,991	$	2,389,137	$	1,301,429	$	410,777	$	491,193	$	6,967,069
Special mention	—		327		—		—		30,433		4,790		—		4,721		40,271
Substandard	—		—		40,381		76,079		49,724		23,571		—		11,669		201,424
Nonaccrual	—		—		18,374		24,115		—		5,760		—		16		48,265
Commercial real estate lending	$	—	$	151,127	$	813,496	$	1,569,185	$	2,469,294	$	1,335,551	$	410,777	$	507,599	$	7,257,029
Total commercial:
Risk rating:
Pass	$	894	$	2,053,704	$	1,795,638	$	3,350,899	$	5,209,806	$	2,972,777	$	867,918	$	1,368,018	$	17,618,759
Special mention	15		33,628		200		10,597		33,999		30,938		—		4,721		114,082
Substandard	4,450		34,639		110,552		112,324		126,891		98,864		21,526		20,643		525,439
Nonaccrual	550		—		19,293		29,966		13,591		8,440		—		16		71,306
Total commercial	$	5,910	$	2,121,971	$	1,925,683	$	3,503,786	$	5,384,286	$	3,111,019	$	889,443	$	1,393,398	$	18,329,587

21

					Term Loans Amortized Cost Basis by Origination Year(a)
($ in thousands)	Rev Loans Converted to Term(a)		Rev Loans Amortized Cost Basis		YTD 2024		2023		2022		2021		2020		Prior		Total
Residential mortgage:
Risk rating:
Pass	$	—	$	—	$	59,996	$	442,905	$	1,665,096	$	2,058,192	$	1,366,320	$	2,178,474	$	7,770,983
Special mention	—		—		—		—		—		—		—		287		287
Substandard	—		—		—		458		92		—		—		196		745
Nonaccrual	—		—		982		1,621		10,987		9,853		8,214		36,402		68,058
Residential mortgage	$	—	$	—	$	60,978	$	444,983	$	1,676,175	$	2,068,045	$	1,374,533	$	2,215,359	$	7,840,073
Auto finance:
Risk rating:
Pass	$	—	$	—	$	650,646	$	1,035,480	$	798,751	$	61,750	$	114	$	225	$	2,546,966
Special mention	—		—		101		674		1,072		170		—		—		2,018
Substandard	—		—		—		36		2		—		—		—		39
Nonaccrual	—		—		82		1,767		4,617		519		—		—		6,986
Auto finance	$	—	$	—	$	650,830	$	1,037,958	$	804,442	$	62,440	$	114	$	225	$	2,556,009
Home equity:
Risk rating:
Pass	$	5,512	$	532,317	$	261	$	1,660	$	28,051	$	5,925	$	2,051	$	54,824	$	625,089
Special mention	246		226		—		59		37		75		18		603		1,018
Substandard	—		—		—		8		—		—		—		32		40
Nonaccrual	698		161		30		10		576		174		219		6,827		7,996
Home equity	$	6,456	$	532,704	$	291	$	1,737	$	28,664	$	6,174	$	2,288	$	62,285	$	634,142
Other consumer:
Risk rating:
Pass	$	72	$	186,582	$	6,751	$	4,511	$	2,586	$	1,254	$	679	$	53,504	$	255,867
Special mention	4		726		—		—		11		14		1		4		757
Substandard	—		1,759		—		—		—		—		—		—		1,759
Nonaccrual	5		49		—		8		7		4		—		9		77
Other consumer	$	81	$	189,115	$	6,751	$	4,519	$	2,605	$	1,272	$	681	$	53,518	$	258,460
Total consumer:
Risk rating:
Pass	$	5,584	$	718,898	$	717,655	$	1,484,555	$	2,494,485	$	2,127,121	$	1,369,163	$	2,287,027	$	11,198,905
Special mention	250		952		101		734		1,120		259		20		893		4,080
Substandard	—		1,759		—		502		94		—		—		228		2,583
Nonaccrual	704		209		1,094		3,406		16,186		10,550		8,433		43,238		83,117
Total consumer	$	6,537	$	721,819	$	718,850	$	1,489,197	$	2,511,886	$	2,137,930	$	1,377,616	$	2,331,386	$	11,288,684
Total loans:
Risk rating:
Pass	$	6,478	$	2,772,602	$	2,513,293	$	4,835,454	$	7,704,291	$	5,099,898	$	2,237,081	$	3,655,045	$	28,817,664
Special mention	265		34,580		301		11,331		35,119		31,197		20		5,614		118,162
Substandard	4,450		36,398		110,552		112,826		126,985		98,864		21,526		20,871		528,022
Nonaccrual	1,254		209		20,387		33,372		29,777		18,990		8,433		43,255		154,423
Total loans	$	12,447	$	2,843,790	$	2,644,533	$	4,992,983	$	7,896,172	$	5,248,950	$	2,267,059	$	3,724,785	$	29,618,271

(a) Revolving loans converted to term loans are those converted during the reporting period and are also reported in their year of origination.

22

The following table presents loans by credit quality indicator by origination year at December 31, 2023:

					Term Loans Amortized Cost Basis by Origination Year(a)
($ in thousands)	Rev Loans Converted to Term(a)		Rev Loans Amortized Cost Basis		2023		2022		2021		2020		2019		Prior		Total
Commercial and industrial:
Risk rating:
Pass	$	1,380	$	1,693,249	$	1,736,617	$	2,877,173	$	1,824,362	$	398,046	$	383,695	$	449,006	$	9,362,149
Special mention	—		21,779		4,017		46,610		8,525		3,529		—		25,341		109,801
Substandard	804		81,924		10,515		39,748		47,279		17,732		94		291		197,582
Nonaccrual	6,414		—		13,317		14,188		33,891		627		—		—		62,022
Commercial and industrial	$	8,598	$	1,796,951	$	1,764,466	$	2,977,719	$	1,914,057	$	419,934	$	383,789	$	474,638	$	9,731,555
Commercial real estate - owner occupied:
Risk rating:
Pass	$	—	$	15,393	$	204,039	$	188,003	$	239,218	$	136,535	$	135,730	$	92,339	$	1,011,259
Special mention	—		271		—		—		6,150		2,635		—		1,293		10,349
Substandard	—		292		14,735		2,791		6,416		8,537		3,086		2,841		38,699
Nonaccrual	—		—		1,394		—		—		—		—		—		1,394
Commercial real estate - owner occupied	$	—	$	15,957	$	220,168	$	190,794	$	251,783	$	147,708	$	138,816	$	96,473	$	1,061,700
Commercial and business lending:
Risk rating:
Pass	$	1,380	$	1,708,642	$	1,940,657	$	3,065,177	$	2,063,580	$	534,581	$	519,426	$	541,345	$	10,373,408
Special mention	—		22,050		4,017		46,610		14,675		6,164		—		26,634		120,150
Substandard	804		82,216		25,250		42,539		53,695		26,269		3,180		3,132		236,281
Nonaccrual	6,414		—		14,710		14,188		33,891		627		—		—		63,416
Commercial and business lending	$	8,598	$	1,812,909	$	1,984,635	$	3,168,514	$	2,165,840	$	567,642	$	522,606	$	571,111	$	10,793,255
Commercial real estate - investor:
Risk rating:
Pass	$	—	$	155,109	$	1,263,866	$	1,247,434	$	1,080,425	$	471,371	$	358,996	$	239,230	$	4,816,433
Special mention	—		502		4,248		25,474		26,208		—		29,772		6,014		92,218
Substandard	—		—		106,002		69,584		15,000		983		—		24,025		215,595
Commercial real estate - investor	$	—	$	155,611	$	1,374,116	$	1,342,492	$	1,121,633	$	472,355	$	388,768	$	269,269	$	5,124,245
Real estate construction:
Risk rating:
Pass	$	—	$	23,307	$	422,277	$	1,176,608	$	547,825	$	87,680	$	5,740	$	7,954	$	2,271,392
Nonaccrual	—		—		—		—		—		—		—		6		6
Real estate construction	$	—	$	23,307	$	422,277	$	1,176,608	$	547,825	$	87,680	$	5,740	$	7,960	$	2,271,398
Commercial real estate lending:
Risk rating:
Pass	$	—	$	178,416	$	1,686,143	$	2,424,042	$	1,628,250	$	559,052	$	364,737	$	247,184	$	7,087,824
Special mention	—		502		4,248		25,474		26,208		—		29,772		6,014		92,218
Substandard	—		—		106,002		69,584		15,000		983		—		24,025		215,595
Nonaccrual	—		—		—		—		—		—		—		6		6
Commercial real estate lending	$	—	$	178,918	$	1,796,393	$	2,519,100	$	1,669,458	$	560,035	$	394,508	$	277,230	$	7,395,644

23

					Term Loans Amortized Cost Basis by Origination Year(a)
($ in thousands)	Rev Loans Converted to Term(a)		Rev Loans Amortized Cost Basis		2023		2022		2021		2020		2019		Prior		Total
Total commercial:
Risk rating:
Pass	$	1,380	$	1,887,058	$	3,626,800	$	5,489,219	$	3,691,830	$	1,093,633	$	884,162	$	788,529	$	17,461,232
Special mention	—		22,552		8,265		72,084		40,882		6,164		29,772		32,648		212,368
Substandard	804		82,216		131,253		112,123		68,695		27,253		3,180		27,157		451,876
Nonaccrual	6,414		—		14,710		14,188		33,891		627		—		6		63,422
Total commercial	$	8,598	$	1,991,827	$	3,781,028	$	5,687,614	$	3,835,298	$	1,127,677	$	917,114	$	848,341	$	18,188,898
Residential mortgage:
Risk rating:
Pass	$	—	$	—	$	352,321	$	1,617,409	$	2,110,577	$	1,414,186	$	647,778	$	1,650,542	$	7,792,813
Special mention	—		—		—		—		—		—		95		57		152
Substandard	—		—		490		93		—		—		174		26		784
Nonaccrual	—		—		1,425		9,567		9,259		10,397		6,628		33,865		71,142
Residential mortgage	$	—	$	—	$	354,236	$	1,627,070	$	2,119,836	$	1,424,583	$	654,675	$	1,684,490	$	7,864,891
Auto finance:
Risk rating:
Pass	$	—	$	—	$	1,218,820	$	952,839	$	75,209	$	163	$	456	$	132	$	2,247,618
Special mention	—		—		619		1,850		205		—		—		—		2,674
Substandard	—		—		—		73		—		—		—		—		73
Nonaccrual	—		—		1,032		4,332		430		—		3		—		5,797
Auto finance	$	—	$	—	$	1,220,471	$	959,094	$	75,844	$	163	$	458	$	132	$	2,256,162
Home equity:
Risk rating:
Pass	$	8,703	$	521,000	$	1,678	$	29,863	$	6,084	$	2,327	$	4,891	$	53,350	$	619,192
Special mention	179		200		—		87		—		29		15		378		708
Substandard	10		75		10		—		—		—		33		—		118
Nonaccrual	1,302		160		29		495		132		144		368		7,180		8,508
Home equity	$	10,195	$	521,434	$	1,717	$	30,445	$	6,217	$	2,500	$	5,308	$	60,907	$	628,526
Other consumer:
Risk rating:
Pass	$	121	$	196,632	$	6,419	$	3,732	$	2,658	$	1,127	$	460	$	64,121	$	275,149
Special mention	26		843		9		—		3		20		—		6		881
Substandard	—		1,582		—		—		—		—		—		—		1,582
Nonaccrual	27		71		10		1		6		2		8		29		128
Other consumer	$	174	$	199,129	$	6,438	$	3,733	$	2,668	$	1,149	$	468	$	64,156	$	277,740
Total consumer:
Risk rating:
Pass	$	8,824	$	717,632	$	1,579,238	$	2,603,843	$	2,194,529	$	1,417,802	$	653,584	$	1,768,145	$	10,934,773
Special mention	205		1,043		628		1,936		208		49		110		441		4,416
Substandard	10		1,656		500		166		—		—		207		26		2,556
Nonaccrual	1,330		231		2,496		14,396		9,827		10,544		7,007		41,073		85,574
Total consumer	$	10,369	$	720,563	$	1,582,862	$	2,620,341	$	2,204,564	$	1,428,395	$	660,909	$	1,809,685	$	11,027,319
Total loans:
Risk rating:
Pass	$	10,204	$	2,604,690	$	5,206,038	$	8,093,062	$	5,886,359	$	2,511,435	$	1,537,747	$	2,556,674	$	28,396,005
Special mention	205		23,595		8,893		74,020		41,091		6,213		29,882		33,089		216,784
Substandard	814		83,872		131,753		112,289		68,695		27,253		3,387		27,183		454,432
Nonaccrual	7,744		231		17,206		28,584		43,718		11,170		7,007		41,080		148,997
Total loans	$	18,966	$	2,712,389	$	5,363,890	$	8,307,956	$	6,039,862	$	2,556,071	$	1,578,023	$	2,658,026	$	29,216,218

(a) Revolving loans converted to term loans are those converted during the reporting period and are also reported in their year of origination.

24

The following table presents gross charge offs by origination year for the six months ended June 30, 2024:

			Gross Charge Offs by Origination Year
($ in thousands)	Rev Loans Amortized Cost Basis		2024		2023		2022		2021		2020		Prior		Total
Commercial and industrial	$	1,930	$	128	$	8,172	$	553	$	22,921	$	3	$	—	$	33,708
Commercial real estate-owner occupied	—		—		—		—		—		—		3		3
Commercial and business lending	1,930		128		8,172		553		22,921		3		3		33,710
Commercial real estate-investor	—		—		—		—		4,569		—		—		4,569
Commercial real estate lending	—		—		—		—		4,569		—		—		4,569
Total commercial	1,930		128		8,172		553		27,490		3		3		38,279
Residential mortgage	—		—		58		60		7		32		267		423
Auto finance	—		53		1,549		3,100		294		—		—		4,996
Home equity	93		—		—		9		—		8		37		147
Other consumer	3,281		3		41		44		28		38		29		3,463
Total consumer	3,374		56		1,648		3,213		329		78		332		9,029
Total gross charge offs	$	5,304	$	184	$	9,820	$	3,766	$	27,819	$	81	$	335	$	47,308

The following table presents gross charge offs by origination year for the year ended December 31, 2023:

			Gross Charge Offs by Origination Year
($ in thousands)	Rev Loans Amortized Cost Basis		2023		2022		2021		2020		2019		Prior		Total
Commercial and industrial	$	4,130	$	717	$	9,594	$	25,270	$	5,958	$	—	$	18	$	45,687
Commercial real estate-owner occupied	—		—		—		—		—		25		—		25
Commercial and business lending	4,130		717		9,594		25,270		5,958		25		18		45,713
Commercial real estate-investor	—		—		—		—		—		—		252		252
Real estate construction	—		—		—		—		—		—		25		25
Commercial real estate lending	—		—		—		—		—		—		277		277
Total commercial	4,130		717		9,594		25,270		5,958		25		295		45,989
Residential mortgage	—		2		32		42		148		5		723		952
Auto finance	—		795		4,524		626		—		5		—		5,950
Home equity	53		21		3		31		—		22		294		424
Other consumer	4,884		—		72		124		131		72		170		5,453
Total consumer	4,937		818		4,630		823		279		105		1,187		12,779
Total gross charge offs	$	9,068	$	1,535	$	14,224	$	26,093	$	6,237	$	130	$	1,482	$	58,768

Factors that are important to managing overall credit quality are sound loan underwriting and administration, systematic monitoring of existing loans and commitments, effective loan review on an ongoing basis, early identification of potential problems, and appropriate policies for ACLL, nonaccrual loans, and charge offs.

For commercial loans, management has determined the pass credit quality indicator to include credits exhibiting acceptable financial statements, cash flow, and leverage. If any risk exists, it is mitigated by the loan structure, collateral, monitoring, or control. For consumer loans, performing loans include credits performing in accordance with the original contractual terms.

Loans are considered past due if the required principal and interest payments have not been received as of the date such payments were due. Special mention credits have potential weaknesses that warrant specific attention from management. If left uncorrected, these potential weaknesses may result in deterioration of the repayment prospects for the credit. Accruing loan modifications could be pass or special mention, depending on the risk rating on the loan. Substandard loans are considered inadequately protected by the current net worth and paying capacity of the obligor or the collateral pledged. These loans generally have a well-defined weakness, or weaknesses, which may jeopardize liquidation of the debt, and are characterized by the distinct possibility the Corporation will sustain some loss if the deficiencies are not corrected. Management has determined commercial loan relationships in nonaccrual status, and commercial and consumer loan relationships with their terms restructured in a loan modification, meet the criteria to be individually evaluated. Commercial loans classified as special mention, substandard, and nonaccrual are reviewed at a minimum on a quarterly basis, while pass credits, which are performing rated credits, are generally reviewed on an annual basis or more frequently if the loan renewal is less than one year or if otherwise warranted.

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The recorded investment of consumer loans secured by residential real estate properties for which foreclosure proceedings are in process totaled $20 million at June 30, 2024 and $16 million at December 31, 2023.

The following table presents loans by past due status at June 30, 2024:

	Accruing
($ in thousands)	Current		30-59 Days Past Due		60-89 Days Past Due		90+ Days Past Due		Nonaccrual(a)(b)		Total
Commercial and industrial	$	9,946,786	$	1,830	$	222	$	384	$	21,190	$	9,970,412
Commercial real estate - owner occupied	1,100,295		—		—		—		1,851		1,102,146
Commercial and business lending	11,047,081		1,830		222		384		23,041		11,072,558
Commercial real estate - investor	4,952,120		1,023		—		—		48,249		5,001,392
Real estate construction	2,255,621		—		—		—		16		2,255,637
Commercial real estate lending	7,207,741		1,023		—		—		48,265		7,257,029
Total commercial	18,254,821		2,853		222		384		71,306		18,329,587
Residential mortgage	7,761,641		10,087		287		—		68,058		7,840,073
Auto finance	2,533,170		13,796		2,018		39		6,986		2,556,009
Home equity	622,452		2,677		1,018		—		7,996		634,142
Other consumer	254,457		1,175		820		1,931		77		258,460
Total consumer	11,171,720		27,735		4,143		1,970		83,117		11,288,684
Total loans	$	29,426,541	$	30,587	$	4,365	$	2,354	$	154,423	$	29,618,271

(a) Of the total nonaccrual loans, $63 million, or 41%, were current with respect to payment at June 30, 2024.

(b) No interest income was recognized on nonaccrual loans for the three and six months ended June 30, 2024. In addition, there were $13 million of nonaccrual loans for which there was no related ACLL at June 30, 2024.

The following table presents loans by past due status at December 31, 2023:

	Accruing
($ in thousands)	Current		30-59 Days Past Due		60-89 Days Past Due		90+ Days  Past Due		Nonaccrual(a)(b)		Total
Commercial and industrial	$	9,663,587	$	5,374	$	191	$	380	$	62,022	$	9,731,555
Commercial real estate - owner occupied	1,059,948		—		358		—		1,394		1,061,700
Commercial and business lending	10,723,536		5,374		549		380		63,416		10,793,255
Commercial real estate - investor	5,086,117		—		18,697		19,432		—		5,124,245
Real estate construction	2,271,392		—		—		—		6		2,271,398
Commercial real estate lending	7,357,509		—		18,697		19,432		6		7,395,644
Total commercial	18,081,044		5,374		19,246		19,812		63,422		18,188,898
Residential mortgage	7,780,304		13,294		152		—		71,142		7,864,891
Auto finance	2,232,906		14,712		2,674		73		5,797		2,256,162
Home equity	615,810		3,500		708		—		8,508		628,526
Other consumer	273,644		1,233		932		1,803		128		277,740
Total consumer	10,902,664		32,739		4,467		1,876		85,574		11,027,319
Total loans	$	28,983,708	$	38,113	$	23,712	$	21,689	$	148,997	$	29,216,218

(a) Of the total nonaccrual loans, $80 million, or 53%, were current with respect to payment at December 31, 2023.

(b) No interest income was recognized on nonaccrual loans for the year ended December 31, 2023. In addition, there were $23 million of nonaccrual loans for which there was no related ACLL at December 31, 2023.

Loan Modifications

The following tables show the composition of loan modifications made to borrowers experiencing financial difficulty by the loan portfolio and type of concessions granted during the three and six months ended June 30, 2024 and June 30, 2023. Each of the types of concessions granted comprised less than 1% of their respective classes of loan portfolios at June 30, 2024.

	Interest Rate Concession
	Amortized Cost
	Three Months Ended Jun 30,				Six Months Ended Jun 30,
($ in thousands)	2024		2023		2024		2023
Commercial and industrial	$	161	$	122	$	298	$	168
Auto	139		21		144		80
Home equity	—		47		—		78
Other consumer	631		489		1,110		988
Total loans modified	$	930	$	679	$	1,552	$	1,314

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	Term Extension
	Amortized Cost
	Three Months Ended Jun 30,				Six Months Ended Jun 30,
($ in thousands)	2024		2023		2024		2023
Residential mortgage	$	—	$	—	$	—	$	208
Home equity	—		27		—		27
Total loans modified	$	—	$	27	$	—	$	235

	Combination - Interest Rate Concession and Term Extension
	Amortized Cost
	Three Months Ended Jun 30,				Six Months Ended Jun 30,
($ in thousands)	2024		2023		2024		2023
Residential mortgage	$	—	$	356	$	641	$	519
Home equity	—		77		30		168
Total loans modified	$	—	$	432	$	670	$	687

The following tables summarize, by loan portfolio, the financial effect of the Corporation's loan modifications on the modified loans as of June 30, 2024 and June 30, 2023:

	Interest Rate Concession
	Financial Effect, Weighted Average Contractual Interest Rate (Decrease) Increase(a)
	Three Months Ended Jun 30,				Six Months Ended Jun 30,
Loan Type	2024		2023		2024		2023
Commercial and industrial	(19)	%	(18)	%	(17)	%	(17)	%
Residential mortgage	—	%	2	%	3	%	2	%
Auto	(8)	%	(9)	%	(8)	%	(4)	%
Home equity	—	%	2	%	(3)	%	—	%
Other consumer	(22)	%	(21)	%	(22)	%	(20)	%
Weighted average of total loans modified	(18)	%	(11)	%	(13)	%	(11)	%

(a) Due to market conditions, some interest rate concessions on floating rate loans may involve an increase in rate that was lower in comparison to the rate of increase for floating rate loans not modified.

	Term Extension
	Financial Effect, Weighted Average Term Increase(a)
	Three Months Ended Jun 30,		Six Months Ended Jun 30,
Loan Type	2024	2023	2024	2023
Residential mortgage	0 months	29 months	158 months	50 months
Home equity	0 months	113 months	64 months	110 months
Weighted average of total loans modified	0 months	48 months	153 months	63 months

(a) During the three months ended June 30, 2024, there were no term extensions. During the three months ended June 30, 2023, term extensions changed the weighted average term on modified loans from 204 to 252 months. During the six months ended June 30, 2024 and June 30, 2023, term extensions changed the weighted average term on modified loans from 254 to 407 months and 223 to 285 months, respectively.

The Corporation closely monitors the performance of loans that are modified to borrowers experiencing financial difficulty to understand the effectiveness of its modification efforts. The following table depicts the performance of loans that have been modified in the twelve months ended June 30, 2024:

	Payment Status (Amortized Cost Basis)
($ in thousands)	Current		30-89 Days Past Due		90+ Days Past Due
Commercial and industrial	$	410	$	—	$	—
Residential mortgage	902		24		55
Auto	107		41		—
Home equity	139		—		—
Other consumer	1,615		—		—
Total loans modified	$	3,173	$	65	$	55

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The following table depicts the performance of loans that have been modified in the six months ended June 30, 2023:

	Payment Status (Amortized Cost Basis)
($ in thousands)	Current		30-89 Days Past Due		90+ Days Past Due
Commercial and industrial	$	168	$	—	$	—
Residential mortgage	519		208		—
Auto	80		—		—
Home equity	264		—		9
Other consumer	988		—		—
Total loans modified	$	2,019	$	208	$	9

The following table provides the amortized cost of loan modifications by loan portfolio and type of concession that were modified in the previous twelve months and subsequently had a payment default during the six months ended June 30, 2024:

	Amortized Cost of Loan Modifications that Subsequently Defaulted
($ in thousands)	Interest Rate Concession		Term Extension		Combination Interest Rate Reduction and Term Extension
Auto	$	6	$	—	$	—
Total loans modified	$	6	$	—	$	—

The following table provides the amortized cost of loan modifications by loan portfolio and type of concession that were modified in the previous six months and subsequently had a payment default during the six months ended June 30, 2023:

	Amortized Cost of Loan Modifications that Subsequently Defaulted
($ in thousands)	Interest Rate Concession		Term Extension		Combination Interest Rate Reduction and Term Extension
Residential mortgage	$	—	$	201	$	128
Home equity	—		—		60
Total loans modified	$	—	$	201	$	187

The nature and extent of the impairment of modified loans, including those which have experienced a subsequent payment default, are considered in the determination of an appropriate level of the ACLL.

Allowance for Credit Losses on Loans

The ACLL is comprised of the allowance for loan losses and the allowance for unfunded commitments. The level of the ACLL represents management’s estimate of an amount appropriate to provide for expected lifetime credit losses in the loan portfolio at the balance sheet date. The expected lifetime credit losses are the product of multiplying the Corporation's estimates of probability of default, loss given default, and the individual loan level exposure at default on an undiscounted basis. A main factor in the determination of the ACLL is the economic forecast. The forecast the Corporation used for June 30, 2024 was the Moody's baseline scenario from May 2024, which was reviewed against the June 2024 baseline scenario with no material updates made, over a two year reasonable and supportable period with straight-line reversion to the historical losses over the second year of the period. The allowance for unfunded commitments is maintained at a level believed by management to be sufficient to absorb expected lifetime losses related to unfunded credit facilities (including unfunded loan commitments and letters of credit). See Note 11 for additional information on the change in the allowance for unfunded commitments.

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The following table presents a summary of the changes in the ACLL by portfolio segment for the six months ended June 30, 2024:

($ in thousands)	Dec 31, 2023		Charge offs		Recoveries		Net Charge offs		Provision for credit losses		Jun 30, 2024		ACLL / Loans
Allowance for loan losses
Commercial and industrial	$	128,263	$	(33,708)	$	1,394	$	(32,314)	$	29,942	$	125,891
Commercial real estate — owner occupied	10,610		(3)		6		4		463		11,077
Commercial and business lending	138,873		(33,710)		1,400		(32,310)		30,405		136,968
Commercial real estate — investor	67,858		(4,569)		—		(4,569)		8,274		71,563
Real estate construction	53,554		—		58		58		2,285		55,897
Commercial real estate lending	121,412		(4,569)		58		(4,511)		10,559		127,459
Total commercial	260,285		(38,279)		1,458		(36,821)		40,963		264,427
Residential mortgage	37,808		(423)		72		(351)		(2,915)		34,542
Auto finance	24,961		(4,996)		1,422		(3,574)		6,383		27,770
Home equity	15,403		(147)		596		449		240		16,092
Other consumer	12,638		(3,463)		509		(2,954)		3,329		13,013
Total consumer	90,809		(9,029)		2,600		(6,429)		7,037		91,417
Total loans	$	351,094	$	(47,308)	$	4,058	$	(43,251)	$	48,000	$	355,844
Allowance for unfunded commitments
Commercial and industrial	$	13,319	$	—	$	—	$	—	$	(182)	$	13,137
Commercial real estate — owner occupied	149		—		—		—		20		169
Commercial and business lending	13,468		—		—		—		(162)		13,306
Commercial real estate — investor	480		—		—		—		113		593
Real estate construction	17,024		—		—		—		(1,241)		15,783
Commercial real estate lending	17,504		—		—		—		(1,128)		16,376
Total commercial	30,972		—		—		—		(1,290)		29,682
Home equity	2,629		—		—		—		(146)		2,483
Other consumer	1,174		—		—		—		436		1,610
Total consumer	3,803		—		—		—		290		4,093
Total loans	$	34,776	$	—	$	—	$	—	$	(1,000)	$	33,776
Allowance for credit losses on loans
Commercial and industrial	$	141,582	$	(33,708)	$	1,394	$	(32,314)	$	29,760	$	139,028	1.39	%
Commercial real estate — owner occupied	10,759		(3)		6		4		483		11,246		1.02	%
Commercial and business lending	152,341		(33,710)		1,400		(32,310)		30,243		150,274		1.36	%
Commercial real estate — investor	68,338		(4,569)		—		(4,569)		8,387		72,156		1.44	%
Real estate construction	70,578		—		58		58		1,043		71,680		3.18	%
Commercial real estate lending	138,916		(4,569)		58		(4,511)		9,430		143,835		1.98	%
Total commercial	291,257		(38,279)		1,458		(36,821)		39,673		294,109		1.60	%
Residential mortgage	37,808		(423)		72		(351)		(2,915)		34,542		0.44	%
Auto finance	24,961		(4,996)		1,422		(3,574)		6,383		27,770		1.09	%
Home equity	18,032		(147)		596		449		93		18,575		2.93	%
Other consumer	13,812		(3,463)		509		(2,954)		3,765		14,623		5.66	%
Total consumer	94,613		(9,029)		2,600		(6,429)		7,327		95,510		0.85	%
Total loans	$	385,870	$	(47,308)	$	4,058	$	(43,251)	$	47,000	$	389,620	1.32	%

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The following table presents a summary of the changes in the ACLL by portfolio segment for the year ended December 31, 2023:

($ in thousands)	Dec 31, 2022		Charge offs		Recoveries		Net Charge offs		Provision for credit losses		Dec 31, 2023		ACLL / Loans
Allowance for loan losses
Commercial and industrial	$	119,076	$	(45,687)	$	3,015	$	(42,672)	$	51,859	$	128,263
Commercial real estate — owner occupied	9,475		(25)		11		(15)		1,150		10,610
Commercial and business lending	128,551		(45,713)		3,026		(42,687)		53,009		138,873
Commercial real estate — investor	54,398		(252)		3,016		2,763		10,697		67,858
Real estate construction	45,589		(25)		80		55		7,910		53,554
Commercial real estate lending	99,986		(277)		3,095		2,819		18,607		121,412
Total commercial	228,538		(45,989)		6,121		(39,868)		71,616		260,285
Residential mortgage	38,298		(952)		541		(411)		(79)		37,808
Auto finance	19,619		(5,950)		1,241		(4,709)		10,051		24,961
Home equity	14,875		(424)		1,262		837		(310)		15,403
Other consumer	11,390		(5,453)		978		(4,475)		5,723		12,638
Total consumer	84,182		(12,779)		4,021		(8,758)		15,384		90,809
Total loans	$	312,720	$	(58,768)	$	10,142	$	(48,626)	$	87,000	$	351,094
Allowance for unfunded commitments
Commercial and industrial	$	12,997	$	—	$	—	$	—	$	321	$	13,319
Commercial real estate — owner occupied	103		—		—		—		46		149
Commercial and business lending	13,101		—		—		—		367		13,468
Commercial real estate — investor	710		—		—		—		(230)		480
Real estate construction	20,583		—		—		—		(3,558)		17,024
Commercial real estate lending	21,292		—		—		—		(3,788)		17,504
Total commercial	34,393		—		—		—		(3,421)		30,972
Home equity	2,699		—		—		—		(70)		2,629
Other consumer	1,683		—		—		—		(509)		1,174
Total consumer	4,382		—		—		—		(579)		3,803
Total loans	$	38,776	$	—	$	—	$	—	$	(4,000)	$	34,776
Allowance for credit losses on loans
Commercial and industrial	$	132,073	$	(45,687)	$	3,015	$	(42,672)	$	52,181	$	141,582	1.45	%
Commercial real estate — owner occupied	9,579		(25)		11		(15)		1,195		10,759		1.01	%
Commercial and business lending	141,652		(45,713)		3,026		(42,687)		53,376		152,341		1.41	%
Commercial real estate — investor	55,108		(252)		3,016		2,763		10,467		68,338		1.33	%
Real estate construction	66,171		(25)		80		55		4,351		70,578		3.11	%
Commercial real estate lending	121,279		(277)		3,095		2,819		14,819		138,916		1.88	%
Total commercial	262,931		(45,989)		6,121		(39,868)		68,195		291,257		1.60	%
Residential mortgage	38,298		(952)		541		(411)		(79)		37,808		0.48	%
Auto finance	19,619		(5,950)		1,241		(4,709)		10,051		24,961		1.11	%
Home equity	17,574		(424)		1,262		837		(380)		18,032		2.87	%
Other consumer	13,073		(5,453)		978		(4,475)		5,214		13,812		4.97	%
Total consumer	88,565		(12,779)		4,021		(8,758)		14,805		94,613		0.86	%
Total loans	$	351,496	$	(58,768)	$	10,142	$	(48,626)	$	83,000	$	385,870	1.32	%

Note 7 Goodwill and Other Intangible Assets

Goodwill

Goodwill is not amortized but is instead subject to impairment tests on at least an annual basis, and more frequently if an event occurs or circumstances change that would more likely than not reduce the fair value of a reporting unit below its carrying amount.

The Corporation conducted its most recent annual impairment testing in May 2024, utilizing a qualitative assessment. Factors that management considered in this assessment included macroeconomic conditions, industry and market considerations, overall financial performance of the Corporation and each reporting unit (both current and projected), changes in management strategy, and changes in the composition or carrying amount of net assets. In addition, management considered the changes in both the Corporation's common stock price and in the KBW Nasdaq Regional Banking Index (KRX), as well as the Corporation's earnings per common share trend over the past year. Based on these assessments, management concluded that it is

30

more likely than not that the estimated fair value exceeded the carrying value (including goodwill) for each reporting unit. Therefore, a step one quantitative analysis was not required. There have been no events since the May 2024 impairment test that have changed the Corporation's impairment assessment conclusion. There were no impairment charges recorded in 2023 or the first six months of 2024.

The Corporation had goodwill of $1.1 billion at both June 30, 2024 and December 31, 2023.

Core Deposit Intangibles

The Corporation has CDIs which are amortized. Changes in the gross carrying amount, accumulated amortization, and net book value for CDIs were as follows:

($ in thousands)	Six Months Ended Jun 30, 2024		Year Ended Dec 31, 2023
Core deposit intangibles
Gross carrying amount at the beginning of period	$	88,109	$	88,109
Accumulated amortization	(52,044)		(47,638)
Net book value	$	36,066	$	40,471
Amortization during the period	$	4,405	$	8,811

Mortgage Servicing Rights

The Corporation sells residential mortgage loans in the secondary market and typically retains the right to service the loans sold. MSRs are not traded in active markets. As a result, a cash flow model is used to determine fair value. Key assumptions and estimates, including projected prepayment speeds, assumed servicing costs, ancillary income, costs to service delinquent loans, costs of foreclosure, and discount rates with option-adjusted spreads, are used in measuring the fair value of the MSRs asset. These assumptions are considered significant unobservable inputs. See Note 11 for a discussion of the recourse provisions on sold residential mortgage loans. See Note 12 which further discusses fair value measurement relative to the MSRs asset.

A summary of changes in the balance of the MSRs asset under the fair value measurement method for the six months ended June 30, 2024 and the year ended December 31, 2023 is as follows:

($ in thousands)	Six Months Ended Jun 30, 2024			Year Ended Dec 31, 2023
Mortgage servicing rights
Mortgage servicing rights at beginning of period	$	84,390		$	77,351
Additions	2,490			3,564
Paydowns	(3,808)			(7,185)
Valuation:
Change in fair value model assumptions	—			8,881
Changes in fair value of asset	2,567			1,778
Mortgage servicing rights at end of period	$	85,640		$	84,390
Portfolio of residential mortgage loans serviced for others (“servicing portfolio”)(a)	$	6,306,865		$	7,364,492
Mortgage servicing rights to servicing portfolio(a)	1.36		%	1.15		%

(a) During the fourth quarter of 2023, the Corporation transferred $969 million of residential mortgages into held for sale and subsequently sold them for $844 million. After sale, the servicing was retained for a short period until full servicing was transferred to the purchaser in January 2024.

The projections of amortization expense for CDIs and decay for MSRs are based on existing asset balances, the current interest rate environment, and prepayment speeds as of June 30, 2024. The actual expense the Corporation recognizes in any given period may be significantly different depending upon acquisition or sale activities, changes in interest rates, prepayment speeds, market conditions, regulatory requirements, and events or circumstances that indicate the carrying amount of an asset may not be recoverable. The following table shows the estimated future amortization expense for CDIs and decay for MSRs:

($ in thousands)	Core Deposit Intangibles		Mortgage Servicing Rights
Six months ended December 31, 2024	$	4,405	$	4,853
2025	8,811		11,623
2026	8,811		11,487
2027	8,811		10,786
2028	3,485		9,750
2029	1,681		8,633
Beyond 2029	61		28,508
Total estimated amortization expense and MSRs decay	$	36,066	$	85,640

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Note 8 Short and Long-Term Funding

The following table presents the components of short-term funding (funding with original contractual maturities of one year or less), and long-term funding (funding with original contractual maturities greater than one year):

($ in thousands)	Jun 30, 2024		Dec 31, 2023
Short-term funding
Federal funds purchased	$	270,015	$	220,160
Securities sold under agreements to repurchase	89,524		106,620
Federal funds purchased and securities sold under agreements to repurchase	359,539		326,780
BTFP funding	500,000		—
Total short-term funding	$	859,539	$	326,780
Long-term funding
Corporation subordinated notes, at par	$	550,000	$	550,000
Discount and capitalized costs	(7,189)		(7,748)
Subordinated debt fair value hedge(a)	(7,037)		(1,366)
Finance leases	339		383
Total long-term funding	$	536,113	$	541,269
Total short and long-term funding, excluding FHLB advances	$	1,395,652	$	868,049
FHLB advances
Short-term FHLB advances	$	1,475,000	$	740,000
Long-term FHLB advances	1,211,867		1,209,907
FHLB advances fair value hedge(a)	(13,820)		(9,713)
Total FHLB advances	$	2,673,046	$	1,940,194
Total short and long-term funding	$	4,068,699	$	2,808,243

(a) For additional information on the fair value hedges, see Note 9.

Securities Sold Under Agreements to Repurchase

The Corporation enters into agreements under which it sells securities subject to an obligation to repurchase the same or similar securities. Under these arrangements, the Corporation may transfer legal control over the assets but still retain effective control through an agreement that both entitles and obligates the Corporation to repurchase the assets. The obligation to repurchase the securities is reflected as a liability on the Corporation’s consolidated balance sheets, while the securities underlying the repurchase agreements remain in the respective investment securities asset accounts (i.e., there is no offsetting or netting of the investment securities assets with the repurchase agreement liabilities).

The Corporation utilizes repurchase agreements to facilitate the needs of its customers. The fair value of securities pledged to secure repurchase agreements may decline. At June 30, 2024, the Corporation had pledged securities valued at 189% of the gross outstanding balance of repurchase agreements to manage this risk.

The remaining contractual maturity of the securities sold under agreements to repurchase on the consolidated balance sheets as of June 30, 2024 and December 31, 2023 are presented in the following table:

	Overnight and Continuous
($ in thousands)	Jun 30, 2024		Dec 31, 2023
Repurchase agreements
Agency mortgage-related securities	$	89,524	$	106,620

Long-Term Funding

Subordinated Notes 

In November 2014, the Corporation issued $250 million of 10-year subordinated notes, due January 2025, and callable October 2024. The subordinated notes have a fixed coupon interest rate of 4.25% and were issued at a discount.

In February 2023, the Corporation issued $300 million of 10-year subordinated notes, due March 1, 2033 and redeemable (i) on the reset date of March 1, 2028 and any interest payment date thereafter, (ii) at any time on or after the three month period prior to the maturity date, and (iii) upon the occurrence of a Regulatory Capital Treatment Event (as defined in the Global Note). The subordinated notes have a fixed coupon interest rate of 6.625% until the reset date, after which the rate will be equal to the Five-Year U.S. Treasury Rate as of the reset date plus 2.812% per annum. The notes were issued at a discount.

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Finance Leases

Finance leases are used in conjunction with branch operations. See Note 16 for additional disclosure regarding the Corporation’s leases.

Note 9 Derivative and Hedging Activities

The Corporation enters into derivative financial instruments to manage exposures that arise from business activities that result in the payment of future known and uncertain cash amounts, the value of which are determined by interest and currency rates as well as other economic conditions.

At inception, the Corporation designates the derivative contract as either a fair value hedge (i.e., a hedge of the fair value of a recognized asset or liability), a cash flow hedge (i.e., a hedge of the variability of cash flows to be received or paid related to a recognized asset or liability), or a non-designated hedge. The hedge accounting methodologies applied for fair value, cash flow, and non-designated hedges are described in the Derivative and Hedging Activities note in the Corporation's 2023 Annual Report on Form 10-K.

The contract or notional amount of a derivative is used to determine, along with the other terms of the derivative, the amounts to be exchanged between the counterparties. The Corporation is exposed to credit risk in the event of nonperformance by counterparties to financial instruments. To mitigate the counterparty risk, contracts generally contain language outlining collateral pledging requirements for each counterparty. For non-centrally cleared derivatives, collateral must be posted when the market value exceeds certain mutually agreed upon threshold limits. Securities and cash are often pledged as collateral. The Corporation pledged $86 million and $93 million of investment securities as collateral at June 30, 2024, and December 31, 2023, respectively. Cash is often pledged as collateral for derivatives that are not centrally cleared. The Corporation's required cash collateral was $2 million at June 30, 2024, compared to $5 million at December 31, 2023. For fair value information and disclosures and for the Corporation's accounting policy for derivative and hedging activities, see the Fair Value Measurements and Summary of Significant Accounting Policies notes in the Corporation's 2023 Annual Report on Form 10-K.

The following table presents the total notional amounts and gross fair values of the Corporation's derivatives, as well as the balance sheet netting adjustments as of June 30, 2024 and December 31, 2023:

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	Jun 30, 2024								Dec 31, 2023
	Asset				Liability				Asset				Liability
($ in thousands)	Notional Amount		Fair Value		Notional Amount		Fair Value		Notional Amount		Fair Value		Notional Amount		Fair Value
Designated as hedging instruments:
Interest rate-related instruments(a)	$	1,250,000	$	3,036	$	2,050,000	$	12,880	$	2,300,000	$	8,075	$	550,000	$	930
Foreign currency exchange forwards	71,753		136		150,906		337		231,566		632		189,212		2,946
Total designated as hedging instruments			3,172				13,217				8,707				3,876
Not designated as hedging instruments:
Interest rate-related and other instruments	3,893,983		106,277		6,130,174		207,471		3,603,513		111,623		6,528,471		195,662
Foreign currency exchange forwards	89,957		2,700		276,412		2,514		87,526		2,954		135,654		2,746
Mortgage banking(b)	72,166		766		150,500		95		29,490		439		51,500		673
Total not designated as hedging instruments			109,744				210,081				115,016				199,082
Gross derivatives before netting			112,916				223,298				123,723				202,958
Less: Legally enforceable master netting agreements			8,328				8,328				18,234				18,234
Less: Cash collateral pledged/received			40,169				1,500				35,855				—
Total derivative instruments, after netting			$	64,418			$	213,470			$	69,634			$	184,724

(a) The notional amounts of the interest rate-related instruments designated as hedging instruments include forward starting interest rate swaps with an effective date ranging from December 1, 2024 to March 1, 2025, where the notional amounts on such swaps were $100 million for assets and $350 million for liabilities, and where the fair value on the assets and liabilities for those swaps were approximately $260,000 and $2 million, respectively.
(b) The notional amount of the mortgage derivative asset includes interest rate lock commitments, while the notional amount of the mortgage derivative liability includes forward commitments.

The following table presents amounts that were recorded on the consolidated balance sheets related to cumulative basis adjustments for fair value hedges:

	Line Item in the Consolidated Balance Sheets in Which the Hedged Item is Included
	Carrying Amount of the Hedged Assets/(Liabilities)(a)		Cumulative Amount of Fair Value Hedging Adjustment Included in the Carrying Amount of the Hedged Assets/(Liabilities)		Carrying Amount of the Hedged Assets/(Liabilities)(a)		Cumulative Amount of Fair Value Hedging Adjustment Included in the Carrying Amount of the Hedged Assets/(Liabilities)
($ in thousands)	Jun 30, 2024				Dec 31, 2023
Other long-term funding	$	(542,963)	$	7,037	$	(548,634)	$	1,366
FHLB advances	(586,180)		13,820		(590,287)		9,713
Total	$	(1,129,143)	$	20,857	$	(1,138,921)	$	11,079

(a) Excludes hedged items where only foreign currency risk is the designated hedged risk. At June 30, 2024 and December 31, 2023, the carrying amount excluded for foreign currency denominated loans was $223 million and $421 million, respectively.

The Corporation terminated its $500 million fair value hedge during the fourth quarter of 2019. At June 30, 2024, the amortized cost basis of the closed portfolios which had previously been used in the terminated hedging relationship was $252 million and is included in loans on the consolidated balance sheets. This amount includes $1 million of hedging adjustments on the discontinued hedging relationships, which are not presented in the table above.

The tables below identify the effect of fair value and cash flow hedge accounting on the Corporation's consolidated statements of income for the three and six months ended June 30, 2024 and 2023:

	Location and Amount Recognized on the Consolidated Statements of Income in Fair Value and Cash Flow Hedging Relationships
	Three months ended Jun 30,								Six Months Ended Jun 30,
	2024				2023				2024				2023
($ in thousands)	Interest Income		Interest Expense		Interest Income		Interest Expense		Interest Income		Interest Expense		Interest Income		Interest Expense
Total amounts of income/expense presented on the consolidated statements of income in which the effects of the fair value or cash flow hedges are recorded(a)	$	(4,805)	$	5,367	$	(3,376)	$	4,329	$	(9,668)	$	10,689	$	(4,697)	$	6,844
The effects of fair value and cash flow hedging: Impact on fair value hedging relationships in Subtopic 815-20
Interest contracts:
Hedged items	(36)		431		(57)		(20,375)		(76)		(9,779)		(115)		(9,651)
Derivatives designated as hedging instruments(a)	(4,769)		4,935		(3,319)		24,704		(9,592)		20,468		(4,581)		16,495

(a) Includes net settlements on the derivatives.

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	Location and Amount Recognized on the Consolidated Statements of Income in Fair Value Hedging Relationships
	Three Months Ended Jun 30,				Six Months Ended Jun 30,
	2024		2023		2024		2023
($ in thousands)	Capital Markets, Net		Capital Markets, Net		Capital Markets, Net		Capital Markets, Net
Total amounts of income/expense presented on the consolidated statements of income in which the effects of the fair value hedges are recorded	$	—	$	—	$	—	$	—
The effects of fair value hedging: Impact on fair value hedging relationships in Subtopic 815-20
Foreign currency contracts:
Hedged items	(4,269)		7,587		(13,339)		9,389
Derivatives designated as hedging instruments	4,269		(7,587)		13,339		(9,389)

The following table presents the effect of cash flow hedge accounting on accumulated other comprehensive income (loss) for the three and six months ended June 30, 2024 and 2023:

	Three Months Ended Jun 30,				Six Months Ended Jun 30,
($ in thousands)	2024		2023		2024		2023
Interest rate-related instruments designated as cash flow hedging instruments
Amount of (loss) recognized in OCI on cash flow hedge derivative(a)	$	(6,787)	$	(34,147)	$	(26,248)	$	(20,384)
Amount of loss reclassified from accumulated other comprehensive income (loss) into interest income(a)	4,769		3,319		9,592		4,581

(a) The entirety of (losses) recognized in OCI as well as the losses reclassified from accumulated other comprehensive income (loss) into interest income were included components in the assessment of hedge effectiveness.

Amounts reported in accumulated other comprehensive income (loss) related to cash flow hedge derivatives are reclassified to interest income as interest payments are made on the hedged variable interest rate assets. The Corporation estimates that $13 million will be reclassified as a decrease to interest income over the next 12 months. This amount could differ from amounts actually recognized due to changes in interest rates, hedge de-designations, or the addition of other hedges subsequent to June 30, 2024. The maximum length of time over which the Corporation is hedging its exposure to the variability in future cash flows is 35 months as of June 30, 2024.

The table below identifies the effect of derivatives not designated as hedging instruments on the Corporation's consolidated statements of income for the three and six months ended June 30, 2024 and 2023:

	Consolidated Statements of Income Category of Gain / (Loss)  Recognized in Income	Three Months Ended Jun 30,				Six Months Ended Jun 30,
($ in thousands)		2024		2023		2024		2023
Derivative instruments
Interest rate-related and other instruments — customer and mirror, net	Capital markets, net	$	13	$	207	$	(58)	$	138
Interest rate-related instruments — MSRs hedge	Mortgage banking, net	(1,374)		(2,195)		(4,311)		326
Foreign currency exchange forwards	Capital markets, net	(140)		1,158		605		1,386
Interest rate lock commitments (mortgage)	Mortgage banking, net	100		93		327		345
Forward commitments (mortgage)	Mortgage banking, net	127		777		578		382

Note 10 Balance Sheet Offsetting

Interest Rate-Related Instruments and Foreign Exchange Forwards (“Interest and Foreign Exchange Agreements”)

The Corporation is permitted to present derivative receivables and derivative payables with the same counterparty and the related cash collateral receivables and payables on a net basis on the consolidated balance sheets when a legally enforceable master netting agreement exists. The Corporation has elected to net such balances where it has determined that the specified conditions are met.

The Corporation uses master netting agreements to mitigate counterparty credit risk in these transactions, including derivative contracts. A master netting agreement is a single agreement with a counterparty that permits multiple transactions governed by that agreement to be terminated or accelerated and settled through a single payment in a single currency in the event of a default (e.g., bankruptcy, failure to make a required payment or securities transfer or deliver collateral or margin when due).

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Typical master netting agreements for these types of transactions also contain a collateral/margin agreement that provides for a security interest in, or title transfer of, securities or cash collateral/margin to the party that has the right to demand margin (the “demanding party”). The collateral/margin agreement typically requires a party to transfer collateral/margin to the demanding party with a value equal to the amount of the margin deficit on a net basis across all transactions governed by the master netting agreement, less any threshold. The collateral/margin agreement grants to the demanding party, upon default by the counterparty, the right to set-off any amounts payable by the counterparty against any posted collateral or the cash equivalent of any posted collateral/margin. It also grants to the demanding party the right to liquidate collateral/margin and to apply the proceeds to an amount payable by the counterparty.

For additional information on the Corporation’s derivative and hedging activities, see the Derivative and Hedging Activities note in the Corporation's 2023 Annual Report on Form 10-K.

The following table presents the interest rate and foreign exchange assets and liabilities subject to an enforceable master netting arrangement as of June 30, 2024 and December 31, 2023. The interest rate and foreign exchange agreements the Corporation has with its commercial customers are not subject to an enforceable master netting arrangement and are therefore excluded from this table:

	Gross Amounts Recognized		Gross Amounts Subject to Master Netting Arrangements Offset on the Consolidated Balance Sheets				Net Amounts Presented on the Consolidated Balance Sheets		Gross Amounts Not Offset on the Consolidated Balance Sheets
($ in thousands)			Derivative Liabilities Offset		Cash Collateral Received				Security Collateral Received		Net  Amount
Derivative assets
June 30, 2024	$	92,570	$	(8,328)	$	(40,169)	$	44,072	$	(33,922)	$	10,150
December 31, 2023	87,075		(18,234)		(35,855)		32,985		(32,985)		—
	Gross Amounts Recognized		Gross Amounts Subject to Master Netting Arrangements Offset on the Consolidated Balance Sheets				Net Amounts Presented on the Consolidated Balance Sheets		Gross Amounts Not Offset on the Consolidated Balance Sheets
($ in thousands)			Derivative Assets Offset		Cash Collateral Pledged				Security Collateral Pledged		Net  Amount
Derivative liabilities
June 30, 2024	$	21,237	$	(8,328)	$	(1,500)	$	11,409	$	—	$	11,409
December 31, 2023	18,767		(18,234)		—		533		—		533

Note 11 Commitments, Off-Balance Sheet Arrangements, Legal Proceedings, and Regulatory Matters

The Corporation utilizes a variety of financial instruments in the normal course of business to meet the financial needs of its customers and to manage its own exposure to fluctuations in interest rates. These financial instruments include lending-related and other commitments (see below) as well as derivative instruments (see Note 9). The following is a summary of lending-related commitments:

($ in thousands)	Jun 30, 2024		Dec 31, 2023
Commitments to extend credit, excluding commitments to originate residential mortgage loans held for sale(a)(b)	$	10,295,737	$	11,170,147
Commercial letters of credit(a)	1,118		3,697
Standby letters of credit(c)	252,475		212,029

(a) These off-balance sheet financial instruments are exercisable at the market rate prevailing at the date the underlying transaction will be completed and, thus, are deemed to have no current fair value, or the fair value is based on fees currently charged to enter into similar agreements and was not material at June 30, 2024 or December 31, 2023.

(b) Interest rate lock commitments to originate residential mortgage loans held for sale are considered derivative instruments and are disclosed in Note 9.

(c) Standby letters of credit are presented excluding participations. The Corporation has established a liability of $3 million at June 30, 2024, compared to $2 million at December 31, 2023, as an estimate of the fair value of these financial instruments.

Lending-related Commitments

As a financial services provider, the Corporation routinely enters into commitments to extend credit. Such commitments are subject to the same credit policies and approval process accorded to loans made by the Corporation, with each customer’s creditworthiness evaluated on a case-by-case basis. The commitments generally have fixed expiration dates or other termination clauses and may require the payment of a fee. The Corporation’s exposure to credit loss in the event of nonperformance by the other party to these financial instruments is represented by the contractual amount of those instruments. The amount of collateral obtained, if deemed necessary by the Corporation upon extension of credit, is based on management’s credit evaluation of the customer. Since a significant portion of commitments to extend credit are subject to specific restrictive loan covenants or may expire without being drawn upon, the total commitment amounts do not necessarily represent future cash flow requirements. An allowance for unfunded commitments is maintained at a level believed by management to be sufficient

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to absorb expected lifetime losses related to unfunded commitments (including unfunded loan commitments and letters of credit).

The following table presents a summary of the changes in the allowance for unfunded commitments:

($ in thousands)	Six Months Ended Jun 30, 2024		Year Ended Dec 31, 2023
Allowance for unfunded commitments
Balance at beginning of period	$	34,776	$	38,776
Provision for unfunded commitments	(1,000)		(4,000)
Balance at end of period	$	33,776	$	34,776

Lending-related commitments include commitments to extend credit, commitments to originate residential mortgage loans held for sale, commercial letters of credit, and standby letters of credit. Commitments to extend credit are legally binding agreements to lend to customers at predetermined interest rates, as long as there is no violation of any condition established in the contracts. Interest rate lock commitments to originate residential mortgage loans held for sale and forward commitments to sell residential mortgage loans are considered derivative instruments, and the fair value of these commitments is recorded in other assets and accrued expenses and other liabilities on the consolidated balance sheets. The Corporation’s derivative and hedging activity is further described in Note 9. Commercial and standby letters of credit are conditional commitments issued to guarantee the performance of a customer to a third party. Commercial letters of credit are issued specifically to facilitate commerce and typically result in the commitment being drawn on when the underlying transaction is consummated between the customer and the third party, while standby letters of credit generally are contingent upon the failure of the customer to perform according to the terms of the underlying contract with the third party.

Other Commitments

The Corporation invests in qualified affordable housing projects, historic projects, new market projects, and opportunity zone funds for the purpose of community reinvestment and obtaining tax credits and other tax benefits. Return on the Corporation's investment in these projects and funds comes in the form of the tax credits and tax losses that pass through to the Corporation, and deferral or elimination of capital gain recognition for tax purposes. The aggregate carrying value of these investments at June 30, 2024 was $205 million, compared to $219 million at December 31, 2023, included in tax credit and other investments on the consolidated balance sheets. The Corporation utilizes the proportional amortization method to account for investments in qualified affordable housing projects.

Under the proportional amortization method, the Corporation amortizes the initial cost of the investment in proportion to the tax credits and other tax benefits. The Corporation recognized additional income tax expense attributable to the amortization of investments in qualified affordable housing projects of $18 million and $17 million for the six months ended June 30, 2024 and June 30, 2023, respectively, and $9 million for both the three months ended June 30, 2024 and June 30, 2023. The Corporation's remaining investment in qualified affordable housing projects accounted for under the proportional amortization method totaled $203 million at June 30, 2024 and $215 million at December 31, 2023.

The Corporation’s unfunded equity contributions relating to investments in qualified affordable housing and historic projects are recorded in accrued expenses and other liabilities on the consolidated balance sheets. The Corporation’s remaining unfunded equity contributions totaled $30 million at June 30, 2024 and $27 million at December 31, 2023. Additionally, at June 30, 2024, the Corporation also invests in a private SBA loan fund, recorded in equity securities on the consolidated balance sheets, the purpose of which is to identify CRA qualifying loans within a target region, which has a remaining unfunded equity contribution of $3 million.

For the six months ended June 30, 2024 and the year ended December 31, 2023, the Corporation did not record any impairment related to qualified affordable housing investments.

The Corporation has principal investment commitments to provide capital-based financing to private companies through either direct investment in specific companies or through investment funds and partnerships. The timing of future cash requirements to fund such principal investment commitments is generally dependent on the investment cycle, whereby privately held companies are funded by private equity investors and ultimately sold, merged, or taken public through an initial offering, which can vary based on overall market conditions, as well as the nature and type of industry in which the companies operate. The Corporation also invests in loan pools that support CRA loans. The timing of future cash requirements to fund these pools is dependent upon loan demand, which can vary over time. The aggregate carrying value of these investments was $41 million at June 30, 2024 and $40 million at December 31, 2023, included in tax credit and other investments on the consolidated balance sheets.

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Legal Proceedings

The Corporation is party to various pending and threatened claims and legal proceedings arising in the normal course of business activities, some of which involve claims for substantial amounts. Although there can be no assurance as to the ultimate outcomes, the Corporation believes it has meritorious defenses to the claims asserted against it in its currently outstanding matters and intends to continue to defend itself vigorously with respect to such legal proceedings. The Corporation will consider settlement of cases when, in management’s judgment, it is in the best interests of the Corporation and its shareholders.

On at least a quarterly basis, the Corporation assesses its liabilities and contingencies in connection with all pending or threatened claims and litigation, utilizing the most recent information available. On a matter by matter basis, an accrual for loss is established for those matters which the Corporation believes it is probable that a loss may be incurred and that the amount of such loss can be reasonably estimated. Once established, each accrual is adjusted as appropriate to reflect any subsequent developments. Accordingly, management’s estimate will change from time to time, and actual losses may be more or less than the current estimate. For matters where a loss is not probable, or the amount of the loss cannot be estimated, no accrual is established.

Resolution of legal claims is inherently unpredictable, and in many legal proceedings various factors exacerbate this inherent unpredictability, including where the damages sought are unsubstantiated or indeterminate, it is unclear whether a case brought as a class action will be allowed to proceed on that basis, discovery is not complete, the proceeding is not yet in its final stages, the matters present legal uncertainties, there are significant facts in dispute, there are a large number of parties (including where it is uncertain how liability, if any, will be shared among multiple defendants), or there is a wide range of potential results.

Management believes that the legal proceedings currently pending against it should not have a material adverse effect on the Corporation’s consolidated financial condition. However, in light of the uncertainties involved in such proceedings, there is no assurance that the ultimate resolution of these matters will not significantly exceed the reserves the Corporation has currently accrued or that a matter will not have material reputational or other qualitative consequences. As a result, the outcome of a particular matter may be material to the Corporation’s operating results for a particular period, depending on, among other factors, the size of the loss or liability imposed and the level of the Corporation’s income for that period.

Regulatory Matters

A variety of consumer products, including mortgage and deposit products, and certain fees and charges related to such products, have come under increased regulatory scrutiny. It is possible that regulatory authorities could bring enforcement actions, including civil money penalties, or take other actions against the Corporation in regard to these consumer products. The Bank could also determine of its own accord, or be required by regulators, to refund or otherwise make remediation payments to customers in connection with these products, fees and charges. It is not possible at this time for management to assess the probability of a material adverse outcome or reasonably estimate the amount of any potential loss related to such matters.

In recent consent orders with financial institutions, the CFPB has asserted that certain overdraft charges constitute “unfair and abusive acts and practices.” In certain instances, these financial institutions have agreed to make restitution to customers and to pay civil money penalties. Included in the practices that the CFPB has asserted are “unfair and abusive” are 1) overdraft fees on transactions that had a sufficient balance at the time authorized but then later settled with an insufficient balance (“APSN Fees”), and 2) repeat insufficient funds fees on transactions resubmitted for payment after they were initially declined (“Representment Fees”). In light of these orders, the Corporation has undertaken a review of its current and past practices regarding APSN Fees and Representment Fees. Such review could result in changes to our overdraft fee policies, which would reduce our fee income in future periods and which could also result in a decision to make remediation payments to current and past customers who incurred such fees. The Corporation’s financial results may be materially impacted in any period in which the Corporation determines to make any such remediation payments.

Mortgage Repurchase Reserve

The Corporation sells residential mortgage loans to investors in the normal course of business. Residential mortgage loans sold to others are predominantly conventional residential first lien mortgages originated under the Corporation's usual underwriting procedures, and are most often sold on a nonrecourse basis, primarily to the GSEs. The Corporation’s agreements to sell residential mortgage loans in the normal course of business usually require certain representations and warranties on the underlying loans sold, related to credit information, loan documentation, collateral, and insurability. Subsequent to being sold, if a material underwriting deficiency or documentation defect is discovered, the Corporation may be obligated to repurchase the loan or reimburse the GSEs for losses incurred (collectively, “make whole requests”). The make whole requests and any related risk of loss under the representations and warranties are largely driven by borrower performance. The Corporation also sells qualifying residential mortgage loans guaranteed by U.S. government agencies into GNMA pools.

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As a result of make whole requests, the Corporation has repurchased loans with aggregate principal balances of $2 million and $5 million for the six months ended June 30, 2024 and the year ended December 31, 2023, respectively. There were no loss reimbursement and settlement claims paid in the six months ended June 30, 2024 or for the year ended December 31, 2023. Make whole requests since January 1, 2023 generally arose from loans originated since January 1, 2021 with such balances totaling $4.0 billion at the time of sale, consisting primarily of loans sold to GSEs. As of June 30, 2024, $3.4 billion of those loans originated since January 1, 2021 remain outstanding.

The balance in the mortgage repurchase reserve at the balance sheet date reflects the estimated amount of potential loss the Corporation could incur from repurchasing a loan, as well as loss reimbursements, indemnifications, and other settlement resolutions. The mortgage repurchase reserve, included in accrued expenses and other liabilities on the consolidated balance sheets, was approximately $734,000 at June 30, 2024 and approximately $835,000 at December 31, 2023.

The Corporation may also sell residential mortgage loans with limited recourse (limited in that the recourse period ends prior to the loan’s maturity, usually after certain time and/or loan paydown criteria have been met), whereby repurchase could be required if the loan had defined delinquency issues during the limited recourse periods. At June 30, 2024 and December 31, 2023, there were $14 million and $15 million, respectively, of residential mortgage loans sold with such recourse risk. There have been limited instances and immaterial historical losses on repurchases for recourse under the limited recourse criteria.

The Corporation has a subordinate position to the FHLB in the credit risk on residential mortgage loans it sold to the FHLB Mortgage Partnership Finance Traditional program in exchange for a monthly credit enhancement fee. The Corporation resumed selling loans to the FHLB with such credit risk retention in February 2024, but prior to that, had not sold any loans with this credit risk retention since February 2005. At June 30, 2024 and December 31, 2023, there were $58 million and $16 million, respectively, of such residential mortgage loans with credit risk recourse, upon which there have been immaterial historical losses to the Corporation.

Note 12 Fair Value Measurements

Fair value represents the estimated price at which an orderly transaction to sell an asset or to transfer a liability would take place between market participants at the measurement date under current market conditions (i.e., an exit price concept).

The valuation methodologies for assets and liabilities measured at fair value on a recurring and non-recurring basis are described in the Fair Value Measurements note in the Corporation’s 2023 Annual Report on Form 10-K.

The tables below present the Corporation’s financial instruments measured at fair value on a recurring basis and carrying amounts and estimated fair values of certain financial instruments as of June 30, 2024 and December 31, 2023, aggregated by the level in the fair value hierarchy within which those measurements fall:

39

	Jun 30, 2024
($ in thousands)	Carrying Amount		Fair Value		Level 1		Level 2		Level 3
Assets
Cash and due from banks	$	470,818	$	470,818	$	470,818	$	—	$	—
Interest-bearing deposits in other financial institutions	484,677		484,677		484,677		—		—
Federal funds sold and securities purchased under agreements to resell	3,600		3,600		3,600		—		—
AFS investment securities:
U.S. Treasury securities	35,638		35,638		35,638		—		—
Obligations of state and political subdivisions (municipal securities)	78,507		78,507		—		78,507		—
Residential mortgage-related securities:
FNMA / FHLMC	1,064,318		1,064,318		—		1,064,318		—
GNMA	2,440,808		2,440,808		—		2,440,808		—
Commercial mortgage-related securities:
FNMA / FHLMC	17,283		17,283		—		17,283		—
GNMA	149,799		149,799		—		149,799		—
Asset backed securities:
FFELP	122,765		122,765		—		122,765		—
SBA	640		640		—		640		—
Other debt securities	2,973		2,973		—		2,973		—
Total AFS investment securities	3,912,730		3,912,730		35,638		3,877,092		—
HTM investment securities:
U.S. Treasury securities	1,000		978		978		—		—
Obligations of state and political subdivisions (municipal securities), net	1,668,410		1,497,587		—		1,497,587		—
Residential mortgage-related securities:
FNMA / FHLMC	916,966		753,657		—		753,657		—
GNMA	46,392		42,536		—		42,536		—
Private-label	335,148		273,892		—		273,892		—
Commercial mortgage-related securities:
FNMA / FHLMC	776,717		630,783		—		630,783		—
GNMA	54,403		47,436		—		47,436		—
Total HTM investment securities, net	3,799,035		3,246,868		978		3,245,890		—
Equity securities:
Equity securities	10,444		10,444		10,382		—		62
Equity securities at NAV	12,500		12,500
Total equity securities	22,944		22,944
FHLB and Federal Reserve Bank stocks	212,102		212,102		—		212,102		—
Residential loans held for sale	83,795		83,795		—		83,795		—
Loans, net	29,208,547		27,884,450		—		—		27,884,450
Bank and corporate owned life insurance	683,451		683,451		—		683,451		—
Mortgage servicing rights, net	85,640		85,640		—		—		85,640
Interest rate-related instruments designated as hedging instruments(a)	3,036		3,036		—		3,036		—
Foreign currency exchange forwards designated as hedging instruments(a)	136		136		—		136		—
Interest rate-related and other instruments not designated as hedging instruments(a)	106,277		106,277		—		106,277		—
Foreign currency exchange forwards not designated as hedging instruments(a)	2,700		2,700		—		2,700		—
Interest rate lock commitments to originate residential mortgage loans held for sale	766		766		—		—		766
Total selected assets at fair value	$	39,080,255	$	37,203,991	$	1,006,092	$	8,214,480	$	27,970,919

(a) Figures are presented gross before netting. See Note 9 and Note 10 for information relating to the impact of offsetting derivative assets and liabilities and cash collateral with the
    same counterparty where there is a legally enforceable master netting agreement in place.

40

	Jun 30, 2024
($ in thousands)	Carrying Amount		Fair Value		Level 1		Level 2		Level 3
Liabilities
Deposits:
Noninterest-bearing demand	$	5,815,045	$	5,815,045	$	—	$	—	$	5,815,045
Savings	5,157,103		5,157,103		—		—		5,157,103
Interest-bearing demand	8,284,017		8,284,017		—		—		8,284,017
Money market	6,294,895		6,294,895		—		—		6,294,895
Brokered CDs(a)	4,061,578		4,061,578		—		4,061,578		—
Other time deposits(a)	3,078,401		3,078,401		—		3,078,401		—
Total deposits	32,691,039		32,691,039		—		7,139,979		25,551,061
Short-term funding:
Federal funds purchased and securities sold under agreements to repurchase	359,539		359,532		—		359,532		—
BTFP funding	500,000		497,973		—		497,973		—
Total short-term funding	859,539		857,505		—		857,505		—
FHLB advances	2,673,046		2,672,221		—		2,672,221		—
Other long-term funding	536,113		530,211		—		530,211		—
Standby letters of credit(b)	2,536		2,536		—		2,536		—
Interest rate-related instruments designated as hedging instruments(c)	12,880		12,880		—		12,880		—
Foreign currency exchange forwards designated as hedging instruments(c)	337		337		—		337		—
Interest rate-related and other instruments not designated as hedging instruments(c)	207,471		207,471		—		207,471		—
Foreign currency exchange forwards not designated as hedging instruments(c)	2,514		2,514		—		2,514		—
Forward commitments to sell residential mortgage loans	95		95		—		—		95
Total selected liabilities at fair value	$	36,985,572	$	36,976,810	$	—	$	11,425,654	$	25,551,156

(a) When the estimated fair value is less than the carrying value, the carrying value is reported as the fair value.
(b) The commitment on standby letters of credit was $252 million at June 30, 2024. See Note 11 for additional information on the standby letters of credit and for information on the fair value of lending-related commitments.
(c) Figures are presented gross before netting. See Note 9 and Note 10 for information relating to the impact of offsetting derivative assets and liabilities and cash collateral with the same counterparty where there is a legally enforceable master netting agreement in place.

41

	Dec 31, 2023
($ in thousands)	Carrying Amount		Fair Value		Level 1		Level 2		Level 3
Assets
Cash and due from banks	$	484,384	$	484,384	$	484,384	$	—	$	—
Interest-bearing deposits in other financial institutions	425,089		425,089		425,089		—		—
Federal funds sold and securities purchased under agreements to resell	14,350		14,350		14,350		—		—
AFS investment securities:
U.S. Treasury securities	35,902		35,902		35,902		—		—
Obligations of state and political subdivisions (municipal securities)	91,817		91,817		—		91,817		—
Residential mortgage-related securities:
FNMA / FHLMC	1,120,794		1,120,794		—		1,120,794		—
GNMA	2,042,675		2,042,675		—		2,042,675		—
Commercial mortgage-related securities:
FNMA / FHLMC	16,937		16,937		—		16,937		—
GNMA	154,793		154,793		—		154,793		—
Asset backed securities:
FFELP	133,975		133,975		—		133,975		—
SBA	1,051		1,051		—		1,051		—
Other debt securities	2,950		2,950		—		2,950		—
Total AFS investment securities	3,600,892		3,600,892		35,902		3,564,990		—
HTM investment securities:
U.S. Treasury securities	999		963		963		—		—
Obligations of state and political subdivisions (municipal securities), net	1,682,398		1,553,984		—		1,553,984		—
Residential mortgage-related securities:
FNMA / FHLMC	941,973		804,393		—		804,393		—
GNMA	48,979		46,170		—		46,170		—
Private-label	345,083		289,507		—		289,507		—
Commercial mortgage-related securities:
FNMA / FHLMC	780,995		632,914		—		632,914		—
GNMA	59,733		52,619		—		52,619		—
Total HTM investment securities, net	3,860,160		3,380,550		963		3,379,586		—
Equity securities:
Equity securities	31,651		31,651		6,883		—		24,769
Equity securities at NAV	10,000		10,000
Total equity securities	41,651		41,651
FHLB and Federal Reserve Bank stocks	229,171		229,171		—		229,171		—
Residential loans held for sale	33,011		33,011		—		33,011		—
Commercial loans held for sale	90,303		90,303		—		90,303		—
Loans, net	28,865,124		27,371,086		—		—		27,371,086
Bank and corporate owned life insurance	682,649		682,649		—		682,649		—
Mortgage servicing rights, net	84,390		84,390		—		—		84,390
Interest rate-related instruments designated as hedging instruments(a)	8,075		8,075		—		8,075		—
Foreign currency exchange forwards designated as hedging instruments(a)	632		632		—		632		—
Interest rate-related and other instruments not designated as hedging instruments(a)	111,623		111,623		—		111,623		—
Foreign currency exchange forwards not designated as hedging instruments(a)	2,954		2,954		—		2,954		—
Interest rate lock commitments to originate residential mortgage loans held for sale	439		439		—		—		439
Total selected assets at fair value	$	38,534,897	$	36,561,249	$	967,570	$	8,102,995	$	27,480,684

(a) Figures are presented gross before netting. See Note 9 and Note 10 for information relating to the impact of offsetting derivative assets and liabilities and cash collateral with the
    same counterparty where there is a legally enforceable master netting agreement in place.

42

	Dec 31, 2023
($ in thousands)	Carrying Amount		Fair Value		Level 1		Level 2		Level 3
Liabilities
Deposits:
Noninterest-bearing demand	$	6,119,956	$	6,119,956	$	—	$	—	$	6,119,956
Savings	4,835,701		4,835,701		—		—		4,835,701
Interest-bearing demand	8,843,967		8,843,967		—		—		8,843,967
Money market	6,330,453		6,330,453		—		—		6,330,453
Brokered CDs(a)	4,447,479		4,447,479		—		4,447,479		—
Other time deposits(a)	2,868,494		2,868,494		—		2,868,494		—
Total deposits	33,446,049		33,446,049		—		7,315,973		26,130,076
Federal funds purchased and securities sold under agreements to repurchase	326,780		326,757		—		326,757		—
FHLB advances	1,940,194		1,944,600		—		1,944,600		—
Other long-term funding	541,269		534,983		—		534,983		—
Standby letters of credit(b)	2,157		2,157		—		2,157		—
Interest rate-related instruments designated as hedging instruments(c)	930		930		—		930		—
Foreign currency exchange forwards designated as hedging instruments(c)	2,946		2,946		—		2,946		—
Interest rate-related and other instruments not designated as hedging instruments(c)	195,662		195,662		—		195,662		—
Foreign currency exchange forwards not designated as hedging instruments(c)	2,746		2,746		—		2,746		—
Forward commitments to sell residential mortgage loans	673		673		—		—		673
Total selected liabilities at fair value	$	36,459,407	$	36,457,504	$	—	$	10,326,755	$	26,130,749

(a) When the estimated fair value is less than the carrying value, the carrying value is reported as the fair value.

(b) The commitment on standby letters of credit was $212 million at December 31, 2023. See Note 11 for additional information on the standby letters of credit and for information on the fair value of lending-related commitments.

(c) Figures are presented gross before netting. See Note 9 and Note 10 for information relating to the impact of offsetting derivative assets and liabilities and cash collateral with the same counterparty where there is a legally enforceable master netting agreement in place.

The table below presents a rollforward of the consolidated balance sheets amounts for the six months ended June 30, 2024 and the year ended December 31, 2023, for the Corporation's mortgage derivatives measured on a recurring basis and classified within Level 3 of the fair value hierarchy:

($ in thousands)	Interest rate lock commitments to originate residential mortgage loans held for sale		Forward commitments to sell residential mortgage loans		Total
Balance December 31, 2022	$	86	$	46	$	40
New production	6,557		(1,816)		8,373
Closed loans / settlements	(4,171)		2,494		(6,665)
Other	(2,033)		(51)		(1,982)
Change in mortgage derivative	352		627		(274)
Balance December 31, 2023	$	439	$	673	$	(234)
New production	$	6,153	$	(1,414)	$	7,567
Closed loans / settlements	(3,857)		1,028		(4,885)
Other	(1,969)		(192)		(1,777)
Change in mortgage derivative	327		(578)		905
Balance June 30, 2024	$	766	$	95	$	671

The following table presents a rollforward of the fair value of Level 3 equity securities, for the six months ended June 30, 2024 and the year ended December 31, 2023, that are measured under the measurement alternative and the related adjustments recorded during the periods presented for those securities with observable price changes:

($ in thousands)
Fair value as of December 31, 2022	$	19,225
Gains recognized in investment securities gains, net	5,861
Purchases	11
Sales	(329)
Fair value as of December 31, 2023	$	24,769
Gains recognized in investment securities gains, net	$	4,054
Purchases	12
Sales	(28,772)
Fair value as of June 30, 2024	$	62

43

The table below presents the Corporation’s assets measured at fair value on a nonrecurring basis, aggregated by the level in the fair value hierarchy within which those measurements fall:

($ in thousands)	Fair Value Hierarchy	Fair Value		Consolidated Statements of Income Category of Adjustment Recognized in Income	Adjustment Recognized on the Consolidated Statements of Income(a)
Jun 30, 2024
Assets
Individually evaluated loans	Level 3	$	53,881	Provision for credit losses	$	22,095
OREO(b)	Level 2	192		Other noninterest expense / provision for credit losses(c)	263
Dec 31, 2024
Assets
Individually evaluated loans	Level 3	$	47,221	Provision for credit losses	$	45,709
OREO(b)	Level 2	3,139		Other noninterest expense / provision for credit losses(c)	2,532
Equity securities without readily determinable fair values	Level 3	24,671		Investment securities gains (losses), net	5,785

(a) Includes the YTD impact on the consolidated statements of income.

(b) If the fair value of the collateral exceeds the carrying amount of the asset, no charge off or adjustment is necessary, the asset is not considered to be carried at fair value and is therefore not included in the table.

(c) When a property's value is written down at the time it is transferred to OREO, the charge off is booked to the provision for credit losses. When a property is already in OREO and subsequently written down, the charge off is booked to other noninterest expense.

The table below presents the unobservable inputs that are readily quantifiable pertaining to Level 3 measurements:

Jun 30, 2024	Valuation Technique	Significant Unobservable Input	Range of Inputs			Weighted Average Input Applied
Mortgage servicing rights	Discounted cash flow	Option adjusted spread	5%	-	8%	5%
Mortgage servicing rights	Discounted cash flow	Constant prepayment rate	—%	-	100%	6%
Individually evaluated loans	Appraisals / Discounted cash flow	Collateral / Discount factor	—%	-	81%	56%
Interest rate lock commitments to originate residential mortgage loans held for sale	Discounted cash flow	Closing Ratio	35%	-	100%	87%

Note 13 Retirement Plans

The Corporation has a noncontributory defined benefit RAP, covering substantially all employees who meet the eligibility requirements. The benefits are based primarily on years of service and the employee’s eligible compensation paid. Employees of acquired entities generally participate in the RAP after consummation of the business combinations. Retirement plans of acquired entities are typically merged into the RAP depending on the terms of the merger agreement, and, as applicable, credit is usually applied to employees for years of service at the acquired institution for vesting and eligibility purposes.

The Corporation also provides healthcare access to a limited group of retired employees from a previous acquisition in the Postretirement Plan. There are no other active retiree healthcare plans.

The components of net periodic pension cost and net periodic benefit cost for the RAP and Postretirement Plan for the three and six months ended June 30, 2024 and 2023 were as follows:

	Three Months Ended Jun 30,				Six Months Ended Jun 30,
($ in thousands)	2024		2023		2024		2023
RAP
Service cost	$	881	$	796	$	1,755	$	1,592
Interest cost	2,719		2,686		5,438		5,372
Expected return on plan assets	(8,650)		(8,202)		(17,301)		(16,404)
Amortization of prior service cost	(54)		(63)		(107)		(125)
Amortization of actuarial loss	—		—		—		37
Total net periodic pension cost	$	(5,104)	$	(4,783)	$	(10,215)	$	(9,528)
Postretirement Plan
Interest cost	$	18	$	20	$	37	$	39
Amortization of prior service cost	(19)		(19)		(38)		(38)
Amortization of actuarial (gain)	(7)		(7)		(14)		(15)
Total net periodic benefit cost	$	(8)	$	(7)	$	(15)	$	(13)

The components of net periodic pension cost and net periodic benefit cost, other than the service cost component, are included in the line item other of noninterest expense on the consolidated statements of income. The service cost components are included in personnel on the consolidated statements of income.

44

The Corporation’s funding policy is to pay at least the minimum amount required by federal law and regulations, with consideration given to the maximum funding amounts allowed. The Corporation regularly reviews the funding of its RAP. There were no contributions during 2023 or the six months ended June 30, 2024.

Note 14 Segment Reporting

The Corporation utilizes a risk-based internal profitability measurement system to provide strategic business unit reporting. The profitability measurement system is based on internal management methodologies designed to produce consistent results and reflect the underlying economics of the units. Certain strategic business units have been combined for segment information reporting purposes where the nature of the products and services, the type of customer, and the distribution of those products and services are similar. The three reportable segments are Corporate and Commercial Specialty; Community, Consumer, and Business; and Risk Management and Shared Services. The financial information of the Corporation’s segments has been compiled utilizing the accounting policies described in the Corporation’s 2023 Annual Report on Form 10-K, with certain exceptions. The more significant of these exceptions are described herein.

The reportable segment results are presented based on the Corporation's internal management accounting process. The management accounting policies and processes utilized in compiling segment financial information are highly subjective and, unlike financial accounting, are not based on authoritative guidance similar to U.S. GAAP. As a result, reported segments and the financial information of the reported segments are not necessarily comparable with similar information reported by other financial institutions. Furthermore, changes in management structure or allocation methodologies and procedures may result in changes in previously reported segment financial data. Additionally, the information presented is not indicative of how the segments would perform if they operated as independent entities.

To determine financial performance of each segment, the Corporation allocates FTP assignments, the provision for credit losses, certain noninterest expenses, income taxes, and equity to each segment. Allocation methodologies are subject to periodic adjustment as the internal management accounting system is revised, the interest rate environment evolves, and business or product lines within the segments change. Also, because the development and application of these methodologies is a dynamic process, the financial results presented may be periodically reviewed.

The Corporation allocates net interest income using an internal FTP methodology that charges users of funds (assets, primarily loans) and credits providers of funds (liabilities, primarily deposits) based on the maturity, prepayment and/or re-pricing characteristics of the assets and liabilities. The net effect of this allocation is offset in the Risk Management and Shared Services segment to ensure consolidated totals reflect the Corporation's net interest income. The net FTP allocation is reflected as net intersegment interest income (expense) in the accompanying tables.

The provision for credit losses is allocated to segments based on the expected long-term annual net charge off rates attributable to the credit risk of loans managed by the segment during the period. In contrast, the level of the consolidated provision for credit losses is determined based on an ACLL model using the methodologies described in the Corporation’s 2023 Annual Report on Form 10-K. The net effect of the credit provision is recorded in Risk Management and Shared Services. Indirect expenses incurred by certain centralized support areas are allocated to segments based on actual usage (for example, volume measurements) and other criteria. Certain types of administrative expense and bank-wide expense accruals (including, when applicable, amortization of CDIs and other intangible assets associated with acquisitions, acquisition-related costs, and asset gains on disposed business units) are generally not allocated to segments. Income taxes are allocated to segments based on the Corporation’s estimated effective tax rate, with certain segments adjusted for any tax-exempt income or non-deductible expenses. Equity is allocated to the segments based on regulatory capital requirements and in proportion to an assessment of the inherent risks associated with the business of the segment (including interest, credit and operating risk).

A brief description of each business segment is presented below. A more in-depth discussion of these segments can be found in the Segment Reporting note in the Corporation’s 2023 Annual Report on Form 10-K.

The Corporate and Commercial Specialty segment serves a wide range of customers including larger businesses, developers, not-for-profits, municipalities, and financial institutions by providing lending and deposit solutions as well as the support to deliver, fund, and manage such banking solutions. In addition, this segment provides a variety of investment, fiduciary, and retirement planning products and services to individuals and small to mid-sized businesses. The Community, Consumer, and Business segment serves individuals, as well as small and mid-sized businesses, by providing lending and deposit solutions. The Risk Management and Shared Services segment includes key shared operational functions and also includes residual revenue and expenses, representing the difference between actual amounts incurred and the amounts allocated to operating segments, including interest rate risk residuals (FTP mismatches) and credit risk and provision residuals (long-term credit charge mismatches).

45

Information about the Corporation’s segments is presented below:

	Corporate and Commercial Specialty
	Three Months Ended Jun 30,				Six Months Ended Jun 30,
($ in thousands)	2024		2023		2024		2023
Net interest income	$	251,196	$	240,542	$	494,127	$	459,665
Net intersegment interest (expense)	(99,238)		(100,711)		(192,974)		(181,691)
Segment net interest income	151,958		139,832		301,153		277,975
Noninterest income	35,131		32,451		69,553		65,168
Total revenue	187,089		172,282		370,707		343,143
Provision for credit losses	16,492		13,674		31,920		27,456
Noninterest expense	65,394		61,137		131,744		123,256
Income before income taxes	105,204		97,471		207,042		192,431
Income tax expense	17,765		17,086		38,846		34,811
Net income	$	87,438	$	80,385	$	168,196	$	157,619
Allocated goodwill					$	525,836	$	525,836

	Community, Consumer, and Business
	Three Months Ended Jun 30,				Six Months Ended Jun 30,
($ in thousands)	2024		2023		2024		2023
Net interest income	$	57,808	$	72,460	$	116,000	$	152,744
Net intersegment interest income	135,332		105,841		265,491		193,920
Segment net interest income	193,140		178,301		381,491		346,664
Noninterest income	25,418		30,252		49,912		56,199
Total revenue	218,559		208,554		431,404		402,863
Provision for credit losses	5,591		7,328		12,416		14,086
Noninterest expense	107,565		108,928		218,055		220,663
Income before income taxes	105,403		92,298		200,933		168,114
Income tax expense	22,134		19,383		42,196		35,304
Net income	$	83,268	$	72,915	$	158,737	$	132,810
Allocated goodwill					$	579,156	$	579,156

	Risk Management and Shared Services
	Three Months Ended Jun 30,				Six Months Ended Jun 30,
($ in thousands)	2024		2023		2024		2023
Net interest (loss)	$	(52,411)	$	(55,085)	$	(95,677)	$	(80,483)
Net intersegment (expense)	(36,095)		(5,130)		(72,517)		(12,229)
Segment net interest (loss)	(88,506)		(60,216)		(168,194)		(92,712)
Noninterest income	4,610		2,840		10,678		6,249
Total revenue	(83,896)		(57,376)		(157,515)		(86,463)
Provision for credit losses	925		1,097		2,672		(1,471)
Noninterest expense	22,902		20,609		43,719		34,167
(Loss) before income taxes	(107,722)		(79,082)		(203,906)		(119,159)
Income tax (benefit)	(52,589)		(12,935)		(73,716)		(19,243)
Net (loss)	$	(55,133)	$	(66,146)	$	(130,191)	$	(99,916)
Allocated goodwill					$	—	$	—

46

	Consolidated Total
	Three Months Ended Jun 30,				Six Months Ended Jun 30,
($ in thousands)	2024		2023		2024		2023
Net interest income	$	256,593	$	257,917	$	514,451	$	531,927
Net intersegment interest income	—		—		—		—
Segment net interest income	256,593		257,917		514,451		531,927
Noninterest income	65,159		65,543		130,144		127,616
Total revenue	321,752		323,460		644,595		659,543
Provision for credit losses	23,008		22,100		47,009		40,071
Noninterest expense	195,861		190,673		393,518		378,086
Income before income taxes	102,884		110,687		204,068		241,386
Income tax (benefit) expense	(12,689)		23,533		7,326		50,873
Net income	$	115,573	$	87,154	$	196,742	$	190,514
Allocated goodwill					$	1,104,992	$	1,104,992

Note 15 Accumulated Other Comprehensive Income (Loss)

The following tables summarize the components of accumulated other comprehensive income (loss) at June 30, 2024 and 2023, including changes during the preceding three and six month periods as well as any reclassifications out of accumulated other comprehensive income (loss):

($ in thousands)	AFS Investment Securities		Cash Flow Hedge Derivatives		Defined Benefit Pension and Postretirement Obligations		Accumulated Other Comprehensive Income (Loss)
Balance December 31, 2023	$	(148,641)	$	3,080	$	(25,535)	$	(171,096)
Other comprehensive (loss) before reclassifications	(41,014)		—		—		(41,014)
Amounts reclassified from accumulated other comprehensive income (loss):
Investment securities losses, net	197		—		—		197
HTM investment securities, net, at amortized cost(a)	4,182		—		—		4,182
Other assets / accrued expenses and other liabilities	—		(26,248)		—		(26,248)
Interest income	—		9,592		—		9,592
Personnel expense	—		—		(144)		(144)
Other expense	—		—		(14)		(14)
Income tax benefit (expense)	9,138		(2,192)		(1,614)		5,333
Net other comprehensive (loss) during period	(27,498)		(18,848)		(1,772)		(48,117)
Balance June 30, 2024	$	(176,139)	$	(15,768)	$	(27,307)	$	(219,214)
Balance December 31, 2022	$	(233,192)	$	3,360	$	(42,968)	$	(272,799)
Other comprehensive (loss) before reclassifications	(12,588)		—		—		(12,588)
Amounts reclassified from accumulated other comprehensive (loss):
HTM investment securities, net, at amortized cost(a)	4,556		—		—		4,556
Other assets / accrued expenses and other liabilities	—		(20,384)		—		(20,384)
Interest income	—		4,581		—		4,581
Personnel expense	—		—		(163)		(163)
Other expense	—		—		22		22
Income tax benefit	1,951		3,173		8		5,132
Net other comprehensive (loss) during period	(6,081)		(12,630)		(132)		(18,843)
Balance June 30, 2023	$	(239,273)	$	(9,270)	$	(43,099)	$	(291,642)

(a) Amortization of net unrealized losses on AFS securities transferred to HTM securities.

47

($ in thousands)	AFS Investment Securities		Cash Flow Hedge Derivatives		Defined Benefit Pension and Postretirement Obligations		Accumulated Other Comprehensive Income (Loss)
Balance March 31, 2024	$	(169,388)	$	(13,246)	$	(27,247)	$	(209,881)
Other comprehensive (loss) before reclassifications	(11,126)		—		—		(11,126)
Amounts reclassified from accumulated other comprehensive (loss):
HTM investment securities, net, at amortized cost(a)	2,122		—		—		2,122
Other assets / accrued expenses and other liabilities	—		(6,787)		—		(6,787)
Interest income	—		4,769		—		4,769
Personnel expense	—		—		(73)		(73)
Other expense	—		—		(7)		(7)
Income tax benefit (expense)	2,253		(503)		20		1,769
Net other comprehensive (loss) during period	(6,751)		(2,522)		(60)		(9,333)
Balance June 30, 2024	$	(176,139)	$	(15,768)	$	(27,307)	$	(219,214)
Balance March 31, 2023	$	(204,339)	$	13,691	$	(42,940)	$	(233,588)
Other comprehensive (loss) before reclassifications	(49,066)		—		—		(49,066)
Amounts reclassified from accumulated other comprehensive income (loss):
HTM investment securities, net, at amortized cost(a)	2,289		—		—		2,289
Other assets / accrued expenses and other liabilities	—		(34,147)		—		(34,147)
Interest income	—		3,319		—		3,319
Personnel expense	—		—		(81)		(81)
Other expense	—		—		(7)		(7)
Income tax benefit (expense)	11,843		7,867		(71)		19,639
Net other comprehensive (loss) during period	(34,934)		(22,961)		(159)		(58,054)
Balance June 30, 2023	$	(239,273)	$	(9,270)	$	(43,099)	$	(291,642)

(a) Amortization of net unrealized losses on AFS securities transferred to HTM securities.

Note 16 Leases

The Corporation has operating leases for retail and corporate offices, land, and equipment. The Corporation also has a finance lease for retail and corporate offices.

These leases have original terms of 1 year or longer with remaining maturities up to 38 years, some of which include options to extend the lease term. An analysis of the lease options has been completed and any purchase options or optional periods that the Corporation is reasonably likely to extend have been included in the capitalization.

The discount rate used to capitalize the operating leases is the Corporation's FHLB borrowing rate on the date of lease commencement. When determining the rate to discount specific lease obligations, the repayment period and term are considered.

Operating and finance lease costs and cash flows resulting from these leases are presented below:

	Three Months Ended Jun 30,				Six Months Ended Jun 30,
($ in thousands)	2024		2023		2024		2023
Operating lease costs	$	1,551	$	1,479	$	3,096	$	2,942
Finance lease costs	23		23		46		46
Operating lease cash flows	1,592		1,698		3,436		3,526
Finance lease cash flows	23		23		46		46

The right-of-use asset and lease liability by lease classifications on the consolidated balance sheets were as follows:

($ in thousands)	Consolidated Balance Sheets Category	Jun 30, 2024		Dec 31, 2023
Operating lease right-of-use asset	Premises and equipment	$	26,213	$	24,712
Finance lease right-of-use asset	Other assets	325		368
Operating lease liability	Accrued expenses and other liabilities	28,675		27,311
Finance lease liability	Other long-term funding	339		383

48

The lease payment obligations, weighted-average remaining lease term, and weighted-average original discount rate were as follows:

	Jun 30, 2024					Dec 31, 2023
($ in thousands)	Lease Payments		Weighted-average Lease Term (in years)	Weighted-average Discount Rate		Lease Payments		Weighted-average Lease Term (in years)	Weighted-average Discount Rate
Operating leases
Retail and corporate offices	$	28,130	6.10	3.47	%	$	25,729	5.76	3.12	%
Land	3,640		6.77	3.50	%	4,050		6.98	3.48	%
Equipment	408		2.00	4.62	%	408		2.50	4.62	%
Total operating leases	$	32,178	6.12	3.49	%	$	30,187	5.88	3.19	%
Finance leases
Retail and corporate offices	$	347	3.75	1.32	%	$	394	4.25	1.32	%
Total finance leases	$	347	3.75	1.32	%	$	394	4.25	1.32	%

Contractual lease payment obligations for each of the next five years and thereafter, in addition to a reconciliation to the Corporation’s lease liability, were as follows:

($ in thousands)	Operating Leases		Finance Leases		Total Leases
Six months ended December 31, 2024	$	3,309	$	46	$	3,356
2025	6,293		93		6,386
2026	5,712		93		5,805
2027	5,002		93		5,095
2028	4,118		23		4,142
Beyond 2028	7,743		—		7,743
Total lease payments	$	32,178	$	347	$	32,526
Less: interest	3,503		8		3,512
Present value of lease payments	$	28,675	$	339	$	29,014

As of June 30, 2024 and December 31, 2023, additional operating leases, primarily retail and corporate offices, that had not yet commenced totaled $4 million and $3 million, respectively. The leases that had not yet commenced as of June 30, 2024 will commence between July 2024 and April 2025 with lease terms of 1 year to 7 years.

49

ITEM 2. Management's Discussion and Analysis of Financial Condition and Results of Operations

Special Note Regarding Forward-Looking Statements

This report contains statements that may constitute forward-looking statements within the meaning of the safe-harbor provisions for forward-looking statements contained in the Private Securities Litigation Reform Act of 1995, such as statements other than historical facts contained or incorporated by reference into this report. These forward-looking statements include statements with respect to the Corporation’s financial condition, results of operations, plans, objectives, future performance and business, including statements preceded by, followed by or that include the words “believes,” “expects,” or “anticipates,” references to estimates or similar expressions. Future filings by the Corporation with the SEC, and future statements other than historical facts contained in written material, press releases and oral statements issued by, or on behalf of the Corporation may also constitute forward-looking statements.

All forward-looking statements contained in this report or which may be contained in future statements made for or on behalf of the Corporation are based upon information available at the time the statement is made and the Corporation assumes no obligation to update any forward-looking statements, except as required by federal securities law. Forward-looking statements are subject to significant risks and uncertainties, and the Corporation’s actual results may differ materially from the expected results discussed in such forward-looking statements. Factors that might cause actual results to differ from the results discussed in forward-looking statements include, but are not limited to, the risk factors in Item 1A, Risk Factors, in the Corporation’s Annual Report on Form 10-K for the year ended December 31, 2023, and as may be described from time to time in the Corporation’s subsequent SEC filings.

Overview

The following discussion and analysis is presented to assist in the understanding and evaluation of the Corporation’s financial condition and results of operations. It is intended to complement the unaudited consolidated financial statements, footnotes, and supplemental financial data appearing elsewhere in this Quarterly Report on Form 10-Q and should be read in conjunction therewith. Management continually evaluates strategic acquisition opportunities and various other strategic alternatives that could involve the sale or acquisition of branches or other assets, or the consolidation or creation of subsidiaries. Within the tables presented, certain columns and rows may not sum due to the use of rounded numbers for disclosure purposes.

Performance Summary

•Average loans of $29.5 billion increased $331 million, or 1%, from the first six months of 2023, driven primarily by increases in auto finance and commercial lending, partially offset by a decrease in residential mortgage lending.

•Average deposits of $32.9 billion increased $2.4 billion, or 8%, from the first six months of 2023, driven primarily by an increase in time deposits, partially offset by decreases in noninterest-bearing demand deposits and money market deposits.

•Net interest income of $514 million decreased $17 million, or 3%, from the first six months of 2023, and net interest margin was 2.77%, compared to 2.93% for the first six months of 2023. The decreases in net interest income and net interest margin were driven by increases in interest bearing liabilities outpacing the increase in earning assets and higher costs associated with those interest bearing liabilities.

•Provision for credit losses was $47 million, compared to a provision of $40 million for the first six months of 2023, driven by nominal credit movement coupled with general macroeconomic trends.

•Noninterest income of $130 million increased $3 million, or 2%, from the first six months of 2023, driven by an increase in investment securities gains (losses), net primarily as a result of the sale of the Corporation's remaining Visa B shares in the first quarter of 2024, higher wealth management fees, and an increase in bank and corporate owned life insurance claims. These increases were partially offset by a decrease in mortgage banking, net, as a result of net valuation adjustments of the MSRs asset.

•Noninterest expense of $394 million increased $15 million, or 4%, from the first six months of 2023, primarily driven by increases in personnel, technology, and FDIC assessment expense, the latter due to the special assessment, partially offset by a decrease in other expense.

50

Table 1 Summary Results of Operations: Trends

	Six months ended						Three months ended
($ in thousands, except per share data)	Jun 30, 2024			Jun 30, 2023			Jun 30, 2024			Mar 31, 2024			Dec 31, 2023		Sep 30, 2023			Jun 30, 2023
Net income (loss)	$	196,742		$	190,514		$	115,573		$	81,169		$	(90,806)	$	83,248		$	87,154
Net income (loss) available to common equity	190,992			184,764			112,698			78,294			(93,681)		80,373			84,279
Earnings (loss) per common share - basic	1.27			1.23			0.75			0.52			(0.63)		0.53			0.56
Earnings (loss) per common share - diluted	1.26			1.22			0.74			0.52			(0.62)		0.53			0.56
Effective tax rate	3.59		%	21.08		%	(12.33)		%	19.78		%	N/M		18.92		%	21.26		%

51

Income Statement Analysis

Net Interest Income

Table 2 Net Interest Income Analysis

	Six Months Ended Jun 30,
	2024					2023
($ in thousands)	Average Balance		Interest Income / Expense		Average Yield / Rate	Average Balance		Interest Income / Expense		Average Yield / Rate
Assets
Earning assets
Loans(a)(b)(c)
Commercial and business lending	$	10,913,741	$	392,281	7.23%	$	10,758,464	$	351,254	6.58%
Commercial real estate lending	7,319,867		273,053		7.50%	7,273,402		247,054		6.85%
Total commercial	18,233,608		665,334		7.34%	18,031,866		598,308		6.69%
Residential mortgage	7,965,375		138,120		3.47%	8,643,335		142,767		3.30%
Auto finance	2,448,914		67,624		5.55%	1,572,773		36,159		4.64%
Other retail	826,396		41,221		10.00%	895,720		38,629		8.65%
Total loans	29,474,293		912,299		6.22%	29,143,694		815,864		5.64%
Investment securities
Taxable	5,598,890		97,206		3.47%	5,109,481		65,987		2.58%
Tax-exempt(a)	2,124,763		35,920		3.38%	2,322,132		40,344		3.47%
Other short-term investments	598,888		17,615		5.91%	502,325		11,415		4.58%
Investments and other	8,322,541		150,741		3.62%	7,933,938		117,746		2.97%
Total earning assets	37,796,834		$	1,063,040	5.65%	37,077,632		$	933,610	5.06%
Other assets, net	3,135,876					3,007,684
Total assets	$	40,932,710				$	40,085,316
Liabilities and stockholders' equity
Interest-bearing liabilities
Interest-bearing deposits
Savings	$	5,030,859	$	43,719	1.75%	$	4,707,451	$	25,019	1.07%
Interest-bearing demand	7,377,870		98,099		2.67%	6,738,715		64,880		1.94%
Money market	6,055,804		93,698		3.11%	7,137,912		85,167		2.41%
Network transaction deposits	1,623,625		43,621		5.40%	1,308,434		31,252		4.82%
Time deposits	7,062,989		168,156		4.79%	3,681,352		65,301		3.58%
Total interest-bearing deposits	27,151,147		447,293		3.31%	23,573,864		271,618		2.32%
Federal funds purchased and securities sold under agreements to repurchase	238,950		5,166		4.35%	357,369		5,404		3.05%
Other short-term funding	503,602		12,646		5.05%	14,745		1		0.01%
FHLB advances	1,986,221		55,814		5.65%	4,024,052		99,222		4.97%
Long-term funding	536,388		20,154		7.51%	475,961		15,876		6.67%
Total short and long-term funding	3,265,160		93,780		5.77%	4,872,128		120,503		4.98%
Total interest-bearing liabilities	30,416,308		$	541,073	3.58%	28,445,992		$	392,121	2.78%
Noninterest-bearing demand deposits	5,797,084					7,003,151
Other liabilities	545,526					540,457
Stockholders’ equity	4,173,793					4,095,717
Total liabilities and stockholders’ equity	$	40,932,710				$	40,085,316
Interest rate spread					2.07%					2.28%
Net free funds					0.70%					0.65%
Fully tax-equivalent net interest income and net interest margin			$	521,967	2.77%			$	541,490	2.93%
Fully tax-equivalent adjustment			7,516					9,563
Net interest income			$	514,451				$	531,927

(a) The yield on tax-exempt loans and securities is computed on a fully tax-equivalent basis using a tax rate of 21% and is net of the effects of certain disallowed interest deductions.

(b) Nonaccrual loans and loans held for sale have been included in the average balances.
(c) Interest income includes amortization of net deferred loan origination costs and net accreted purchase loan discount.

52

Table 2 Net Interest Income Analysis

	Three Months Ended,
	Jun 30, 2024					Mar 31, 2024					Jun 30, 2023
($ in thousands)	Average Balance		Interest Income / Expense		Average Yield / Rate	Average Balance		Interest Income / Expense		Average Yield / Rate	Average Balance		Interest Income / Expense		Average Yield / Rate
Assets
Earning assets
Loans(a)(b)(c)
Commercial and business lending	$	11,011,228	$	198,191	7.24%	$	10,816,255	$	194,090	7.22%	$	10,899,337	$	184,080	6.77%
Commercial real estate lending	7,249,773		134,203		7.45%	7,389,962		138,850		7.56%	7,295,367		127,967		7.04%
Total commercial	18,261,000		332,394		7.32%	18,206,217		332,940		7.35%	18,194,703		312,047		6.88%
Residential mortgage	7,905,236		69,389		3.51%	7,896,956		68,787		3.48%	8,701,496		72,056		3.31%
Auto finance	2,524,107		35,021		5.58%	2,373,720		32,603		5.52%	1,654,523		19,701		4.78%
Other retail	889,220		20,504		9.24%	892,128		20,661		9.28%	887,574		20,135		9.08%
Total loans	29,579,564		457,307		6.21%	29,369,022		454,991		6.22%	29,438,297		423,939		5.77%
Investment securities
Taxable	5,680,757		50,479		3.55%	5,517,023		46,727		3.39%	5,304,381		35,845		2.70%
Tax-exempt(a)	2,116,174		17,896		3.38%	2,133,352		18,024		3.38%	2,314,825		20,152		3.48%
Other short-term investments	620,943		9,304		6.03%	576,782		8,311		5.80%	511,487		6,086		4.77%
Investments and other	8,417,874		77,680		3.69%	8,227,158		73,062		3.55%	8,130,693		62,083		3.05%
Total earning assets	37,997,438		$	534,987	5.65%	37,596,179		$	528,053	5.64%	37,568,991		$	486,022	5.18%
Other assets, net	3,103,168					3,173,027					2,989,321
Total assets	$	41,100,606				$	40,769,206				$	40,558,311
Liabilities and stockholders' equity
Interest-bearing liabilities
Interest-bearing deposits
Savings	$	5,133,688	$	21,972	1.72%	$	4,928,031	$	21,747	1.77%	$	4,749,808	$	15,160	1.28%
Interest-bearing demand	7,265,621		48,109		2.66%	7,490,119		49,990		2.68%	6,663,775		34,961		2.10%
Money market	5,995,005		46,391		3.11%	6,116,604		47,306		3.11%	6,743,810		43,529		2.59%
Network transaction deposits	1,595,312		21,416		5.40%	1,651,937		22,205		5.41%	1,468,006		18,426		5.03%
Time deposits	6,927,663		83,173		4.83%	7,198,315		84,983		4.75%	4,985,949		50,119		4.03%
Total interest-bearing deposits	26,917,289		221,062		3.30%	27,385,005		226,231		3.32%	24,611,348		162,196		2.64%
Federal funds purchased and securities sold under agreements to repurchase	213,921		2,303		4.33%	263,979		2,863		4.36%	285,754		2,261		3.17%
Other short-term funding	561,596		7,044		5.04%	449,999		5,603		5.01%	12,179		—		0.01%
FHLB advances	2,432,195		34,143		5.65%	1,540,247		21,671		5.66%	3,796,106		49,261		5.20%
Long-term funding	533,670		10,096		7.57%	539,106		10,058		7.46%	543,003		9,596		7.07%
Total short and long-term funding	3,741,381		53,586		5.75%	2,793,331		40,194		5.78%	4,637,042		61,118		5.28%
Total interest-bearing liabilities	30,658,670		$	274,648	3.60%	30,178,337		$	266,425	3.55%	29,248,389		$	223,314	3.06%
Noninterest-bearing demand deposits	5,712,115					5,882,052					6,669,787
Other liabilities	563,616					527,437					511,074
Stockholders’ equity	4,166,204					4,181,381					4,129,061
Total liabilities and stockholders’ equity	$	41,100,606				$	40,769,206				$	40,558,311
Interest rate spread					2.05%					2.09%					2.12%
Net free funds					0.70%					0.70%					0.68%
Fully tax-equivalent net interest income and net interest margin			$	260,340	2.75%			$	261,628	2.79%			$	262,708	2.80%
Fully tax-equivalent adjustment			3,747					3,770					4,791
Net interest income			$	256,593				$	257,858				$	257,917

(a) The yield on tax-exempt loans and securities is computed on a fully tax-equivalent basis using a tax rate of 21% and is net of the effects of certain disallowed interest deductions.

(b) Nonaccrual loans and loans held for sale have been included in the average balances.
(c) Interest income includes amortization of net deferred loan origination costs and net accreted purchase loan discount.

53

Notable Contributions to the Change in Net Interest Income

•Fully tax-equivalent net interest income and net interest income were $20 million, or 4%, and $17 million, or 3%, lower than the first six months of 2023, respectively. Since June 30, 2023, the Federal Reserve increased the federal funds target interest rate 25 bp, which, in combination with the full impact of rate increases during the first six months of 2023 affecting 2024, contributed to the yield on earning assets increasing by 59 bp and the cost of interest-bearing liabilities increasing 80 bp from the first six months of 2023. See sections Interest Rate Risk and Quantitative and Qualitative Disclosures about Market Risk for a discussion of interest rate risk and market risk.

•Average loans increased $331 million, or 1%, from the first six months of 2023, and average investments and other short-term investments increased $389 million, or 5%, from the first six months of 2023.

•    Average interest-bearing liabilities increased $2.0 billion, or 7%, compared to the first six months of 2023. Average interest-bearing deposits increased $3.6 billion, or 15%, from the first six months of 2023, primarily driven by increases in time deposits, interest-bearing demand deposits, savings deposits, and network transaction deposits, partially offset by a decrease in money market deposits. Average noninterest-bearing demand deposits decreased $1.2 billion, or 17%, versus the first six months of 2023. Average FHLB advances decreased $2.0 billion, or 51%, from the first six months of 2023, partially offset by an increase in other short-term funding related to the utilization of the BTFP.

Provision for Credit Losses

The provision for credit losses is predominantly a function of the Corporation’s reserving methodology and judgments as to other qualitative and quantitative factors used to determine the appropriate level of the ACLL, which focuses on changes in the size and character of the loan portfolio, changes in levels of individually evaluated and other nonaccrual loans, historical losses and delinquencies in each portfolio category, the risk inherent in specific loans, concentrations of loans to specific borrowers or industries, existing economic conditions and economic forecasts, the fair value of underlying collateral, and other factors which could affect potential credit losses. The forecast the Corporation used for June 30, 2024 was the Moody's baseline scenario from May 2024, which was reviewed against the June 2024 baseline scenario with no material updates made, over a two year reasonable and supportable period with straight-line reversion to historical losses over the second year of the period. See additional discussion under the sections titled Loans, Credit Risk, Nonperforming Assets, and Allowance for Credit Losses on Loans.

Noninterest Income

Table 3 Noninterest Income

	Six months ended						Three months ended										Changes vs
($ in thousands, except as noted)	Jun 30, 2024		Jun 30, 2023		YTD % Change		Jun 30, 2024		Mar 31, 2024		Dec 31, 2023		Sep 30, 2023		Jun 30, 2023		Mar 31, 2024		Jun 30, 2023
Wealth management fees	$	44,323	$	40,672	9	%	$	22,628	$	21,694	$	21,003	$	20,828	$	20,483	4	%	10	%
Service charges and deposit account fees	24,702		25,366		(3)	%	12,263		12,439		10,815		12,864		12,372		(1)	%	(1)	%
Card-based fees	23,242		21,982		6	%	11,975		11,267		11,528		11,510		11,396		6	%	5	%
Other fee-based revenue	9,259		8,740		6	%	4,857		4,402		4,019		4,509		4,465		10	%	9	%
Total fee-based revenue	101,525		96,760		5	%	51,723		49,802		47,365		49,710		48,715		4	%	6	%
Capital markets, net	8,735		10,176		(14)	%	4,685		4,050		9,106		5,368		5,093		16	%	(8)	%
Mortgage banking, net	5,166		11,313		(54)	%	2,505		2,662		1,615		6,501		7,768		(6)	%	(68)	%
Loss on mortgage portfolio sale	—		—		N/M		—		—		(136,239)		—		—		N/M		N/M
Bank and corporate owned life insurance	7,154		4,835		48	%	4,584		2,570		3,383		2,047		2,172		78	%	111	%
Other	4,549		4,501		1	%	2,222		2,327		2,850		2,339		2,080		(5)	%	7	%
Subtotal	127,131		127,586		—	%	65,719		61,411		(71,919)		65,965		65,827		7	%	—	%
Asset gains (losses), net	(933)		(35)		N/M		(627)		(306)		(136)		625		(299)		105	%	110	%
Investment securities gains (losses), net	3,947		66		N/M		67		3,879		(58,958)		(11)		14		(98)	%	N/M
Total noninterest income (loss)	$	130,144	$	127,616	2	%	$	65,159	$	64,985	$	(131,013)	$	66,579	$	65,543	—	%	(1)	%
Mortgage loans originated for sale during period	$	274,358	$	168,395	63	%	$	168,964	$	105,394	$	112,365	$	115,075	$	99,141	60	%	70	%
Mortgage loan settlements during period	228,732		151,167		51	%	137,706		91,026		957,450		103,452		96,514		51	%	43	%
Assets under management, at market value(a)							14,304		14,171		13,545		12,543		12,995		1	%	10	%

N/M = Not Meaningful
(a) $ in millions. Excludes assets held in brokerage accounts.

54

Notable Contributions to the Change in Noninterest Income

•Wealth management fees increased $4 million from the first six months of 2023, mainly driven by increased assets under management.

•Mortgage banking, net decreased $6 million from the first six months of 2023, mainly driven by net valuation adjustments of the MSRs asset.

•Bank and corporate owned life insurance increased $2 million from the first six months of 2023, primarily driven by an increase in claims.

•Investment securities gains (losses), net increased $4 million from the first six months of 2023, as a result of the sale of the Corporation's remaining Visa B shares.

Noninterest Expense

Table 4 Noninterest Expense

	Six months ended						Three months ended										Change vs
($ in thousands)	Jun 30, 2024		Jun 30, 2023		YTD % Change		Jun 30, 2024		Mar 31, 2024		Dec 31, 2023		Sep 30, 2023		Jun 30, 2023		Mar 31, 2024		Jun 30, 2023
Personnel	$	240,976	$	230,510	5	%	$	121,581	$	119,395	$	120,686	$	117,159	$	114,089	2	%	7	%
Technology	53,362		47,818		12	%	27,161		26,200		28,027		26,172		24,220		4	%	12	%
Occupancy	26,761		28,650		(7)	%	13,128		13,633		14,429		14,125		13,587		(4)	%	(3)	%
Business development and advertising	14,052		12,955		8	%	7,535		6,517		8,350		7,100		7,106		16	%	6	%
Equipment	9,049		9,906		(9)	%	4,450		4,599		4,742		5,016		4,975		(3)	%	(11)	%
Legal and professional	9,101		8,688		5	%	4,429		4,672		6,762		4,461		4,831		(5)	%	(8)	%
Loan and foreclosure costs	3,771		2,773		36	%	1,793		1,979		585		2,049		1,635		(9)	%	10	%
FDIC assessment	21,077		16,425		28	%	7,131		13,946		41,497		9,150		9,550		(49)	%	(25)	%
Other intangible amortization	4,405		4,405		—	%	2,203		2,203		2,203		2,203		2,203		—	%	—	%
Other	10,963		15,955		(31)	%	6,450		4,513		12,110		8,771		8,476		43	%	(24)	%
Total noninterest expense	$	393,518	$	378,086	4	%	$	195,861	$	197,657	$	239,391	$	196,205	$	190,673	(1)	%	3	%
Average FTEs(a)	4,048		4,223		(4)	%	4,025		4,070		4,130		4,220		4,227		(1)	%	(5)	%

(a) Average FTEs without overtime

Notable Contributions to the Change in Noninterest Expense

•Personnel expense increased $10 million from the first six months of 2023, primarily driven by increases in salary and incentive expense along with an increase in health insurance expense.

•Technology expense increased $6 million from the first six months of 2023, driven by digital investments tied to our strategic initiatives.

•FDIC expense increased $5 million from the first six months of 2023, primarily driven by the special assessment applied to the Bank relating to the FDIC's increased estimated loss attributable to the protection of depositors at Silicon Valley Bank and Signature Bank.

Income Taxes

The Corporation records income tax expense during interim periods based on the best estimate of the full year's effective tax rate as adjusted for discrete items, if any, taken into account in the relevant interim period. Each quarter, the Corporation updates its estimate of the annual effective tax rate and the effect of any change in the estimated rate is recorded on a cumulative basis. The Corporation recognized income tax expense of $7 million for the six months ended June 30, 2024, compared to income tax expense of $51 million for the six months ended June 30, 2023. The Corporation's effective tax rate from continuing operations was 3.59% and 21.08% for the six months ended June 30, 2024, and 2023, respectively. The decreases in income tax expense and lower effective tax rate during the first six months of 2024 were primarily due to the planned strategic reallocation of the investment portfolio and the 2024 adoption of a legal entity rationalization plan which results in the recognition of deferred tax benefits of approximately $33 million.

Income tax expense recorded on the consolidated statements of income involves the interpretation and application of certain accounting pronouncements and federal and state tax laws and regulations. The Corporation is subject to examination by various taxing authorities. Examination by taxing authorities may impact the amount of tax expense and/or the reserve for uncertainty in income taxes if their interpretations differ from those of management, based on their judgments about information available to them at the time of their examinations.

55

Balance Sheet Analysis

•At June 30, 2024, total assets were $41.6 billion, up $608 million, or 1%, from December 31, 2023, and up $404 million, or 1%, from June 30, 2023.

•Interest bearing deposits in other financial institutions were $485 million at June 30, 2024, up $60 million, or 14%, from December 31, 2023, and up $294 million, or 154%, from June 30, 2023.

•AFS investment securities, at fair value were $3.9 billion at June 30, 2024, up $312 million, or 9%, from December 31, 2023, and up $408 million, or 12%, from June 30, 2023. HTM investment securities, net, at amortized cost were $3.8 billion at June 30, 2024, down $61 million, or 2%, from December 31, 2023, and down $140 million, or 4%, from June 30, 2023. See Note 5 Investment Securities of the notes to consolidated financial statements for additional details.

•Loans of $29.6 billion at June 30, 2024 were up $402 million, or 1%, from December 31, 2023, and down $231 million, or 1%, from June 30, 2023. See Note 6 Loans of the notes to consolidated financial statements for additional details.

•At June 30, 2024, total deposits of $32.7 billion were down $755 million, or 2%, from December 31, 2023, and were up $677 million, or 2%, from June 30, 2023. See section Deposits and Customer Funding for additional information on deposits.

•FHLB advances were $2.7 billion at June 30, 2024, up $733 million, or 38%, from December 31, 2023, and down $958 million, or 26%, from June 30, 2023. See Note 8 Short and Long-Term Funding of the notes to consolidated financial statements for additional details.

Loans

Table 5 Period End Loan Composition

	Jun 30, 2024				Mar 31, 2024				Dec 31, 2023				Sep 30, 2023				Jun 30, 2023
($ in thousands)	Amount		% of Total		Amount		% of Total		Amount		% of Total		Amount		% of Total		Amount		% of Total
Commercial and industrial	$	9,970,412	34	%	$	9,858,329	33	%	$	9,731,555	33	%	$	10,099,068	33	%	$	10,055,487	34	%
Commercial real estate — owner occupied	1,102,146		4	%	1,095,894		4	%	1,061,700		4	%	1,054,969		3	%	1,058,237		4	%
Commercial and business lending	11,072,558		37	%	10,954,223		37	%	10,793,255		37	%	11,154,037		37	%	11,113,724		37	%
Commercial real estate — investor	5,001,392		17	%	5,035,195		17	%	5,124,245		18	%	5,218,980		17	%	5,312,928		18	%
Real estate construction	2,255,637		8	%	2,287,041		8	%	2,271,398		8	%	2,130,719		7	%	2,009,060		7	%
Commercial real estate lending	7,257,029		25	%	7,322,237		25	%	7,395,644		25	%	7,349,699		24	%	7,321,988		25	%
Total commercial	18,329,587		62	%	18,276,460		62	%	18,188,898		62	%	18,503,736		61	%	18,435,711		62	%
Residential mortgage	7,840,073		26	%	7,868,180		27	%	7,864,891		27	%	8,782,645		29	%	8,746,345		29	%
Auto finance	2,556,009		9	%	2,471,257		8	%	2,256,162		8	%	2,007,164		7	%	1,777,974		6	%
Home equity	634,142		2	%	619,764		2	%	628,526		2	%	623,650		2	%	615,506		2	%
Other consumer	258,460		1	%	258,603		1	%	277,740		1	%	275,993		1	%	273,367		1	%
Total consumer	11,288,684		38	%	11,217,802		38	%	11,027,319		38	%	11,689,451		39	%	11,413,193		38	%
Total loans	$	29,618,271	100	%	$	29,494,263	100	%	$	29,216,218	100	%	$	30,193,187	100	%	$	29,848,904	100	%

The Corporation has long-term guidelines relative to the proportion of Commercial and Business, CRE, and Consumer loan commitments within the overall loan portfolio, with each targeted to represent 30 to 40% of the overall loan portfolio. The targeted long-term guidelines were unchanged during 2023 and the first six months of 2024. Furthermore, certain sub-asset classes within the respective portfolios are further defined and dollar limitations are placed on these sub-portfolios. These guidelines and limits are reviewed quarterly and approved annually by the Enterprise Risk Committee of the Corporation’s Board of Directors. These guidelines and limits are designed to create balance and diversification within the loan portfolios.

56

The Corporation’s loan distribution and interest rate sensitivity as of June 30, 2024 are summarized in the following table:

Table 6 Loan Distribution and Interest Rate Sensitivity

($ in thousands)	Within 1 Year(a)		1-5 Years		5-15 Years		Over 15 Years		Total		% of Total
Commercial and industrial	$	8,897,907	$	745,656	$	326,337	$	513	$	9,970,412	34	%
Commercial real estate — owner occupied	697,188		289,722		115,235		—		1,102,146		4	%
Commercial real estate — investor	4,652,664		288,354		60,374		—		5,001,392		17	%
Real estate construction	2,214,292		31,938		1,703		7,705		2,255,637		8	%
Commercial - adjustable	11,434,705		42,714		3,507		—		11,480,926		39	%
Commercial - fixed	5,027,346		1,312,957		500,141		8,218		6,848,661		23	%
Residential mortgage - adjustable	196,506		667,119		1,501,442		293		2,365,360		8	%
Residential mortgage - fixed	5,238		67,677		479,672		4,922,126		5,474,713		18	%
Auto finance	1,089		1,219,249		1,335,672		—		2,556,009		9	%
Home equity	583,195		9,445		32,434		9,069		634,142		2	%
Other consumer	198,831		30,816		18,581		10,232		258,460		1	%
Total loans	$	17,446,909	$	3,349,976	$	3,871,448	$	4,949,938	$	29,618,271	100	%
Fixed-rate	$	5,042,951	$	2,638,785	$	2,366,499	$	4,949,645	$	14,997,881	51	%
Floating or adjustable rate	12,403,958		711,191		1,504,948		293		14,620,390		49	%
Total	$	17,446,909	$	3,349,976	$	3,871,448	$	4,949,938	$	29,618,271	100	%

(a) Demand loans, past due loans, overdrafts, and credit cards are reported in the “Within 1 Year” category.

At June 30, 2024, $19.7 billion, or 66%, of the loans outstanding and $16.5 billion, or 90%, of the commercial loans outstanding were floating rate, adjustable rate, re-pricing within one year, or maturing within one year.

Credit Risk

An active credit risk management process is used for commercial loans to ensure that sound and consistent credit decisions are made. Credit risk is controlled by detailed underwriting procedures, comprehensive loan administration, and periodic review of borrowers’ outstanding loans and commitments. Borrower relationships are formally reviewed and graded on an ongoing basis for early identification of potential problems. Further analysis by customer, industry, and geographic location are performed to monitor trends, financial performance, and concentrations. See Note 6 Loans of the notes to consolidated financial statements for additional information on managing overall credit quality.

The loan portfolio is widely diversified by types of borrowers, industry groups, and market areas primarily within the Corporation's lending footprint. Significant loan concentrations are considered to exist when there are amounts loaned to numerous borrowers engaged in similar activities that would cause them to be similarly impacted by economic or other conditions. At June 30, 2024, no significant concentrations existed in the Corporation’s portfolio in excess of 10% of total loan exposure.

Commercial and business lending: The commercial and business lending classification primarily includes commercial loans to large corporations, middle market companies, small businesses, and asset-based and equipment financing.

Table 7 Largest Commercial and Industrial Industry Group Exposures, by NAICS Subsector

Jun 30, 2024	NAICS Subsector	Outstanding Balance		Total Exposure		% of Total Loan Exposure
($ in thousands)
Real Estate(a)	531	$	1,753,301	$	3,253,850	8	%
Utilities(b)	221	2,472,385		3,050,382		8	%
Credit Intermediation and Related Activities(c)	522	893,190		1,696,208		4	%
Merchant Wholesalers, Durable Goods	423	474,475		922,305		2	%

(a) Includes REIT lines.

(b) 56% of the total utilities exposure comes from renewable energy sources (wind, solar, hydroelectric, and geothermal).

(c) Includes mortgage warehouse lines.

The remaining commercial and industrial portfolio is spread over a diverse range of industries, none of which exceed 2% of total loan exposure.

The CRE-owner occupied portfolio is spread over a diverse range of industries, none of which exceed 2% of total loan exposure.

The credit risk related to commercial and business lending is largely influenced by general economic conditions and the resulting impact on a borrower’s operations or on the value of underlying collateral, if any.

57

Commercial real estate - investor: CRE-investor is comprised of loans secured by various non-owner occupied or investor income producing property types.

Table 8 Largest Commercial Real Estate Investor Property Type Exposures

Jun 30, 2024	% of Total Loan Exposure		% of Total Commercial Real Estate - Investor Loan Exposure
Multi-Family	4	%	34	%
Industrial	3	%	24	%
Office	3	%	21	%

The remaining CRE-investor portfolio is spread over various other property types, none of which exceed 2% of total loan exposure.

Credit risk is managed in a similar manner to commercial and business lending by employing sound underwriting guidelines, lending primarily to borrowers in local markets and businesses, periodically evaluating the underlying collateral, and formally reviewing the borrower’s financial soundness and relationship on an ongoing basis.

Real estate construction: Real estate construction loans are primarily short-term or interim loans that provide financing for the acquisition or development of commercial income properties, multi-family projects, or residential development, both single family and condominium. Real estate construction loans are made to developers and project managers who are generally well known to the Corporation and have prior successful project experience. The credit risk associated with real estate construction loans is generally confined to specific geographic areas but is also influenced by general economic conditions. The Corporation controls the credit risk on these types of loans by making loans in familiar markets to developers, reviewing the merits of individual projects, controlling loan structure, and monitoring project progress and construction advances.

Table 9 Largest Real Estate Construction Property Type Exposures

Jun 30, 2024	% of Total Loan Exposure		% of Total Real Estate Construction Loan Exposure
Multi-Family	5	%	49	%
Industrial	2	%	23	%

The remaining real estate construction portfolio is spread over various other property types, none of which exceed 2% of total loan exposure.

The Corporation’s current lending standards for CRE and real estate construction lending are determined by property type and specifically address many criteria, including: maximum loan amounts, maximum LTV, requirements for pre-leasing and/or presales, minimum borrower equity, and maximum loan-to-cost. Currently, the maximum standard for LTV is 80%, with lower limits established for certain higher risk types, such as raw land that has a 50% LTV maximum. The Corporation’s LTV guidelines are in compliance with regulatory supervisory limits. In most cases, for real estate construction loans, the loan amounts include interest reserves, which are built into the loans and sized to fund loan payments through construction and lease up and/or sell out.

Residential mortgages: Residential mortgage loans are primarily first lien home mortgages with a maximum loan-to-collateral value without credit enhancement (e.g. private mortgage insurance) of 80%. The residential mortgage portfolio is focused primarily in the Corporation's three-state branch footprint, with approximately 88% of the outstanding loan balances in the Corporation's branch footprint at June 30, 2024. The rates on adjustable rate mortgages adjust based upon the movement in the underlying index which is then added to a margin and rounded to the nearest 0.125%. That result is then subjected to any periodic caps to produce the borrower's interest rate for the coming term. Most of the adjustable rate mortgages have an initial fixed rate term of 3, 5, 7 or 10 years.

The Corporation generally retains certain fixed-rate residential real estate mortgages in its loan portfolio, including retail and private banking jumbo mortgages and CRA-related mortgages. As part of management’s historical practice of originating and servicing residential mortgage loans, generally the Corporation’s 30 year, agency conforming, fixed-rate residential real estate mortgage loans have been sold in the secondary market with servicing rights retained. Subject to management’s analysis of the current interest rate environment, among other market factors, the Corporation may choose to retain mortgage loan production on its balance sheet.

The Corporation’s underwriting and risk-based pricing guidelines for residential mortgage loans include minimum borrower FICO score and maximum LTV of the property securing the loan. Residential mortgage products generally are underwritten using FHLMC and FNMA secondary marketing guidelines.

58

Home equity: Home equity consists of both home equity lines of credit and closed-end home equity loans. The Corporation’s credit risk monitoring guidelines for home equity are based on an ongoing review of loan delinquency status, as well as a quarterly review of FICO score deterioration and property devaluation. The Corporation does not routinely obtain appraisals on performing loans to update LTV ratios after origination; however, the Corporation monitors the local housing markets by reviewing the various home price indices and incorporates the impact of the changing market conditions in its ongoing credit monitoring process. For junior lien home equity loans, the Corporation is unable to track the performance of the first lien loan if it does not own or service the first lien loan. However, the Corporation obtains a refreshed FICO score on a quarterly basis and monitors this as part of its assessment of the home equity portfolio.

The Corporation’s underwriting and risk-based pricing guidelines for home equity lines of credit and loans consist of a combination of both borrower FICO score and the original cumulative LTV against the property securing the loan. Currently, the Corporation's policy sets the maximum acceptable LTV at 90%. The Corporation's current home equity line of credit offering is priced based on floating rate indices and generally allows 10 years of interest-only payments followed by a 20-year amortization of the outstanding balance. The loans in the Corporation's portfolio generally have an original term of 20 years with principal and interest payments required.

Indirect Auto: The Corporation currently purchases retail auto sales contracts via a network of approved auto dealerships across 16 states throughout the Northeast, Mid-Atlantic, and Midwestern United States. The auto dealerships finance the sale of automobiles as the initial lender and then assign the contracts to the Corporation pursuant to dealer agreements. The Corporation’s underwriting and pricing guidelines are based on a dual risk grade derived from a combination of FICO auto score and proprietary internal custom score. Minimum grade and FICO score standards ensure the credit risk is appropriately managed to the Corporation’s risk appetite. Further, the grade influences loan-specific parameters such as vehicle age, term, LTV, loan amount, mileage, payment and debt service thresholds, and pricing. Maximum loan terms offered are 84 months on select grades with vehicle age, mileage, and other limitations in place to qualify. The program is designed to capture primarily prime and super prime contracts. Over time, the Corporation expects roughly 60% of originations to be secured by used vehicles.

Other consumer: Other consumer consists of student loans, short-term personal installment loans, and credit cards. Credit risk for student loans, short-term personal installment loans, and credit cards is influenced by general economic conditions, the characteristics of individual borrowers, and the nature of the loan collateral. Risks of loss are generally on smaller average balances per loan spread over many borrowers. Once charged off, there is usually less opportunity for recovery of these smaller consumer loans. Credit risk is primarily controlled by reviewing the creditworthiness of the borrowers, monitoring payment histories, and taking appropriate collateral and guarantee positions.

59

Nonperforming Assets

Management is committed to a proactive nonaccrual and problem loan identification philosophy. This philosophy is implemented through the ongoing monitoring and review of all pools of risk in the loan portfolio to ensure that problem loans are identified quickly and the risk of loss is minimized. Table 10 provides detailed information regarding NPAs, which include nonaccrual loans, OREO, and repossessed assets, and also includes information on accruing loans past due and restructured loans:

Table 10 Nonperforming Assets

($ in thousands)	Jun 30, 2024			Mar 31, 2024			Dec 31, 2023			Sep 30, 2023			Jun 30, 2023
Nonperforming assets
Commercial and industrial	$	21,190		$	72,243		$	62,022		$	74,812		$	34,907
Commercial real estate — owner occupied	1,851			2,090			1,394			3,936			1,444
Commercial and business lending	23,041			74,333			63,416			78,748			36,352
Commercial real estate — investor	48,249			18,697			—			10,882			22,068
Real estate construction	16			18			6			103			125
Commercial real estate lending	48,265			18,715			6			10,985			22,193
Total commercial	71,306			93,047			63,422			89,732			58,544
Residential mortgage	68,058			69,954			71,142			66,153			61,718
Auto finance	6,986			7,158			5,797			4,533			3,065
Home equity	7,996			8,100			8,508			7,917			7,788
Other consumer	77			87			128			222			163
Total consumer	83,117			85,299			85,574			78,826			72,733
Total nonaccrual loans	154,423			178,346			148,997			168,558			131,278
Commercial real estate owned	914			914			914			1,062			1,062
Residential real estate owned	1,467			920			1,290			989			870
Bank properties real estate owned(a)	5,944			6,603			8,301			6,400			5,643
OREO	8,325			8,437			10,506			8,452			7,575
Repossessed assets	671			1,241			919			658			348
Total nonperforming assets	$	163,418		$	188,025		$	160,421		$	177,668		$	139,201
Accruing loans past due 90 days or more
Commercial	$	384		$	426		$	19,812		$	441		$	366
Consumer	1,970			1,992			1,876			1,715			1,360
Total accruing loans past due 90 days or more	$	2,354		$	2,417		$	21,689		$	2,156		$	1,726
Restructured loans (accruing)
Commercial	$	410		$	377		$	306		$	234		$	168
Consumer	2,166			2,080			2,414			1,855			1,271
Total restructured loans (accruing)	$	2,576		$	2,457		$	2,719		$	2,089		$	1,439
Nonaccrual restructured loans (included in nonaccrual loans)	$	717		$	1,141		$	805		$	961		$	796
Ratios
Nonaccrual loans to total loans	0.52		%	0.60		%	0.51		%	0.56		%	0.44		%
NPAs to total loans plus OREO and repossessed assets	0.55		%	0.64		%	0.55		%	0.59		%	0.47		%
NPAs to total assets	0.39		%	0.46		%	0.39		%	0.43		%	0.34		%
Allowance for credit losses on loans to nonaccrual loans	252.31		%	217.43		%	258.98		%	225.78		%	287.20		%

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Table 10 Nonperforming Assets (continued)

($ in thousands)	Jun 30, 2024		Mar 31, 2024		Dec 31, 2023		Sep 30, 2023		Jun 30, 2023
Accruing loans 30-89 days past due
Commercial and industrial	$	2,052	$	521	$	5,565	$	1,507	$	12,005
Commercial real estate — owner occupied	—		—		358		1,877		1,484
Commercial and business lending	2,052		521		5,923		3,384		13,489
Commercial real estate — investor	1,023		19,164		18,697		10,121		—
Real estate construction	—		1,260		—		10		76
Commercial real estate lending	1,023		20,424		18,697		10,131		76
Total commercial	3,075		20,945		24,619		13,515		13,565
Residential mortgage	10,374		9,903		13,446		11,652		8,961
Auto finance	15,814		12,521		17,386		16,688		11,429
Home equity	3,694		2,819		4,208		3,687		4,030
Other consumer	1,995		2,260		2,166		1,880		2,025
Total consumer	31,877		27,503		37,205		33,908		26,444
Total accruing loans 30-89 days past due	$	34,952	$	48,448	$	61,825	$	47,422	$	40,008

(a) Primarily closed branches and other bank operated real estate facilities, pending disposition.

Nonaccrual loans: Nonaccrual loans are considered to be one indicator of potential future loan losses. See Note 6 Loans of the notes to consolidated financial statements for additional nonaccrual loan disclosures. See also sections Credit Risk and Allowance for Credit Losses on Loans.

Accruing loans past due 90 days or more: Loans past due 90 days or more but still accruing interest are classified as such where the underlying loans are both well secured (the collateral value is sufficient to cover principal and accrued interest) and are in the process of collection.

Restructured loans: Loans are considered restructured loans if concessions have been granted to borrowers that are experiencing financial difficulty. See also Note 6 Loans of the notes to consolidated financial statements for additional restructured loans disclosures.

OREO: Management actively seeks to ensure OREO properties held are monitored to minimize the Corporation’s risk of loss.

Allowance for Credit Losses on Loans

Credit risks within the loan portfolio are inherently different for each loan type. Credit risk is controlled and monitored through the use of lending standards, a thorough review of potential borrowers, and ongoing review of loan payment performance. Active asset quality administration, including early problem loan identification and timely resolution of problems, aids in the management of credit risk and the minimization of loan losses. Credit risk management for each loan type is discussed in the section entitled Credit Risk. See Note 6 Loans of the notes to consolidated financial statements for additional disclosures on the ACLL.

To assess the appropriateness of the ACLL, the Corporation focuses on the evaluation of many factors, including but not limited to: evaluation of facts and issues related to specific loans, management’s ongoing review and grading of the loan portfolio, credit report refreshes, consideration of historical loan loss and delinquency experience on each portfolio category, trends in past due and nonaccrual loans, the risk characteristics of the various classifications of loan segments, changes in the size and character of the loan portfolio, concentrations of loans to specific borrowers or industries, existing economic conditions and economic forecasts, the fair value of underlying collateral, funding assumptions on lines, and other qualitative and quantitative factors which could affect potential credit losses. The forecast the Corporation used for June 30, 2024 was the Moody's baseline scenario from May 2024, which was reviewed against the June 2024 baseline scenario with no material updates made, over a two year reasonable and supportable period with straight-line reversion to historical losses over the second year of the period. Assessing these factors involves significant judgment. Because each of the criteria used is subject to change, the ACLL is not necessarily indicative of the trend of future credit losses on loans in any particular segment. Therefore, management considers the ACLL a critical accounting estimate, see section Critical Accounting Estimates for additional information on the ACLL. See section Nonperforming Assets for a detailed discussion on asset quality. See also Note 6 Loans of the notes to consolidated financial statements for additional ACLL disclosures. Table 5 provides information on loan growth and period end loan composition, Table 10 provides additional information regarding NPAs, and Table 11 and Table 12 provide additional information regarding activity in the ACLL.

The loan segmentation used in calculating the ACLL at June 30, 2024 and December 31, 2023 was generally comparable. The methodology to calculate the ACLL consists of the following components: a valuation allowance estimate is established for

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commercial and consumer loans determined by the Corporation to be individually evaluated, using discounted cash flows, estimated fair value of underlying collateral, and/or other data available. Loans are segmented for criticized loan pools by loan type as well as for non-criticized loan pools by loan type, primarily based on risk rating rates after considering loan type, historical loss and delinquency experience, credit quality, and industry classifications. Loans that have been criticized are considered to have a higher risk of default than non-criticized loans, as circumstances were present to support the lower loan grade, warranting higher loss factors. Additionally, management allocates ACLL to absorb losses that may not be provided for by the other components due to qualitative factors evaluated by management, such as limitations within the credit risk grading process, known current economic or business conditions that may not yet show in trends, industry or other concentrations with current issues that impose higher inherent risks than are reflected in the loss factors, and other relevant considerations. The total allowance is available to absorb losses from any segment of the loan portfolio.

Table 11 Allowance for Credit Losses on Loans

	YTD				Quarter Ended
($ in thousands)	Jun 30, 2024		Jun 30, 2023		Jun 30, 2024			Mar 31, 2024			Dec 31, 2023			Sep 30, 2023			Jun 30, 2023
Allowance for loan losses
Balance at beginning of period	$	351,094	$	312,720	$	356,006		$	351,094		$	345,795		$	338,750		$	326,432
Provision for loan losses	48,000		40,500		21,000			27,000			21,000			25,500			23,500
Charge offs	(47,308)		(20,356)		(23,290)			(24,018)			(17,878)			(20,535)			(14,855)
Recoveries	4,058		5,886		2,127			1,930			2,177			2,079			3,674
Net (charge offs) recoveries	(43,251)		(14,470)		(21,163)			(22,088)			(15,701)			(18,455)			(11,181)
Balance at end of period	$	355,844	$	338,750	$	355,844		$	356,006		$	351,094		$	345,795		$	338,750
Allowance for unfunded commitments
Balance at beginning of period	$	34,776	$	38,776	$	31,776		$	34,776		$	34,776		$	38,276		$	39,776
Provision for unfunded commitments	(1,000)		(500)		2,000			(3,000)			—			(3,500)			(1,500)
Balance at end of period	$	33,776	$	38,276	$	33,776		$	31,776		$	34,776		$	34,776		$	38,276
Allowance for credit losses on loans	$	389,620	$	377,027	$	389,620		$	387,782		$	385,870		$	380,571		$	377,027
Provision for credit losses on loans	47,000		40,000		23,000			24,000			21,000			22,000			22,000
Net loan (charge offs) recoveries
Commercial and industrial	$	(32,314)	$	(12,936)	$	(13,676)		$	(18,638)		$	(13,178)		$	(16,558)		$	(11,177)
Commercial real estate — owner occupied	4		6		1			2			(22)			2			3
Commercial and business lending	(32,310)		(12,930)		(13,674)			(18,636)			(13,200)			(16,556)			(11,174)
Commercial real estate — investor	(4,569)		2,276		(4,569)			—			216			272			2,276
Real estate construction	58		—		28			30			38			18			(18)
Commercial real estate lending	(4,511)		2,275		(4,541)			30			253			290			2,257
Total commercial	(36,821)		(10,655)		(18,216)			(18,606)			(12,947)			(16,266)			(8,917)
Residential mortgage	(351)		(336)		(289)			(62)			(53)			(22)			(283)
Auto finance	(3,574)		(2,004)		(1,480)			(2,094)			(1,436)			(1,269)			(1,048)
Home equity	449		524		238			211			185			128			183
Other consumer	(2,954)		(1,998)		(1,417)			(1,537)			(1,450)			(1,027)			(1,117)
Total consumer	(6,429)		(3,815)		(2,947)			(3,482)			(2,754)			(2,189)			(2,264)
Total net (charge offs) recoveries	$	(43,251)	$	(14,470)	$	(21,163)		$	(22,088)		$	(15,701)		$	(18,455)		$	(11,181)
Ratios
Allowance for credit losses on loans to total loans					1.32		%	1.31		%	1.32		%	1.26		%	1.26		%
Allowance for credit losses on loans to net charge offs (annualized)	4.5x		12.9x		4.6x			4.4x			6.2x			5.2x			8.4x
Loan evaluation method for ACLL
Individually evaluated for impairment					$	16,882		$	25,335		$	15,492		$	11,033		$	12,268
Collectively evaluated for impairment					372,738			362,447			370,378			369,538			364,759
Total ACLL					$	389,620		$	387,782		$	385,870		$	380,571		$	377,027
Loan balance
Individually evaluated for impairment					$	70,763		$	92,960		$	62,712		$	86,195		$	58,109
Collectively evaluated for impairment					29,547,508			29,401,303			29,153,505			30,106,993			29,790,795
Total loan balance					$	29,618,271		$	29,494,263		$	29,216,218		$	30,193,187		$	29,848,904

N/M = Not Meaningful

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Table 12 Annualized Net (Charge Offs) Recoveries(a)

	YTD		Quarter Ended
(In basis points)	Jun 30, 2024	Jun 30, 2023	Jun 30, 2024	Mar 31, 2024	Dec 31, 2023	Sep 30, 2023	Jun 30, 2023
Net loan (charge offs) recoveries
Commercial and industrial	(66)	(27)	(55)	(77)	(54)	(66)	(46)
Commercial real estate — owner occupied	—	—	—	—	(1)	—	—
Commercial and business lending	(60)	(24)	(50)	(69)	(48)	(60)	(41)
Commercial real estate — investor	(18)	9	(37)	—	2	2	18
Real estate construction	1	—	—	1	1	—	—
Commercial real estate lending	(12)	6	(25)	—	1	2	12
Total commercial	(41)	(12)	(40)	(41)	(28)	(35)	(20)
Residential mortgage	(1)	(1)	(1)	—	—	—	(1)
Auto finance	(29)	(26)	(24)	(35)	(27)	(27)	(25)
Home equity	16	17	15	14	12	8	12
Other consumer	(226)	(144)	(221)	(232)	(208)	(148)	(163)
Total consumer	(12)	(7)	(10)	(13)	(9)	(7)	(8)
Total net (charge offs) recoveries	(30)	(10)	(29)	(30)	(21)	(25)	(15)

(a) Annualized ratio of net charge offs to average loans by loan type.

Notable Contributions to the Change in the Allowance for Credit Losses on Loans

•Total loans increased $402 million, or 1%, from December 31, 2023, and decreased $231 million, or 1%, from June 30, 2023. The increase from December 31, 2023 was primarily due to growth in auto finance and commercial and business lending, partially offset by a decrease in CRE - investor lending. The decrease from June 30, 2023 was driven by decreases in residential mortgage lending resulting from the Corporation's strategic initiatives and CRE - investor lending, partially offset by growth in auto finance and real estate construction lending. See also Note 6 Loans of the notes to consolidated financial statements for additional information on loans.

•Total nonaccrual loans increased $5 million, or 4%, from December 31, 2023, and increased $23 million, or 18%, from June 30, 2023. The increase from December 31, 2023 was driven by an increase in nonaccrual loans within CRE - investor lending, partially offset by a decrease within commercial and industrial lending. The increase from June 30, 2023 was primarily due to increases in nonaccrual loans within CRE - investor, residential mortgage, and auto finance lending, partially offset by a decrease in commercial and industrial lending. See Note 6 Loans of the notes to consolidated financial statements and Table 10 for additional disclosures on the changes in asset quality.

•YTD net charge offs increased $29 million from June 30, 2023, primarily driven by an increase in net charge offs within commercial and industrial lending and CRE - investor lending. See Table 11 and Table 12 for additional information on the activity in the ACLL.

Management believes the level of ACLL to be appropriate at June 30, 2024.

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Deposits and Customer Funding

The following table summarizes the composition of our deposits and customer funding:

Table 13 Period End Deposit and Customer Funding Composition

	Jun 30, 2024				Mar 31, 2024				Dec 31, 2023				Sep 30, 2023				Jun 30, 2023
($ in thousands)	Amount		% of Total		Amount		% of Total		Amount		% of Total		Amount		% of Total		Amount		% of Total
Noninterest-bearing demand	$	5,815,045	18	%	$	6,254,135	19	%	$	6,119,956	18	%	$	6,422,994	20	%	$	6,565,666	21	%
Savings	5,157,103		16	%	5,124,639		15	%	4,835,701		14	%	4,836,735		15	%	4,777,415		15	%
Interest-bearing demand	8,284,017		25	%	8,747,127		26	%	8,843,967		26	%	7,528,154		23	%	7,037,959		22	%
Money market	6,294,895		19	%	6,721,674		20	%	6,330,453		19	%	7,268,506		23	%	7,521,930		23	%
Brokered CDs	4,061,578		12	%	3,931,230		12	%	4,447,479		13	%	3,351,399		10	%	3,818,325		12	%
Other time deposits	3,078,401		9	%	2,934,352		9	%	2,868,494		9	%	2,715,538		8	%	2,293,114		7	%
Total deposits	$	32,691,039	100	%	$	33,713,158	100	%	$	33,446,049	100	%	$	32,123,326	100	%	$	32,014,409	100	%
Other customer funding(a)	89,524				90,536				106,620				151,644				170,873
Total deposits and other customer funding	$	32,780,564			$	33,803,694			$	33,552,669			$	32,274,971			$	32,185,282
Network transaction deposits(b)	$	1,502,919			$	1,792,820			$	1,566,139			$	1,649,389			$	1,600,619
Net deposits and other customer funding(c)	27,216,066				28,079,644				27,539,051				27,274,183				26,766,338
Time deposits of more than $250,000	546,586				543,469				522,626				533,853				465,446

(a) Includes repurchase agreements and commercial paper.
(b) Included above in interest-bearing demand and money market.
(c) Total deposits and other customer funding, excluding brokered CDs and network transaction deposits.

•Total deposits, which are the Corporation's largest source of funds, decreased $755 million, or 2%, from December 31, 2023, and increased $677 million, or 2%, from June 30, 2023. The decrease was largely driven by decreases in interest-bearing demand, brokered CDs, and noninterest-bearing demand, partially offset by increases in savings and other time deposits, while the increase was driven by interest-bearing demand, other time deposits, and savings, partially offset by decreases in money market and noninterest-bearing demand.

•Estimated uninsured and uncollateralized deposits, excluding intercompany deposits, were 21.9% of total deposits at June 30, 2024, compared to 22.7% at December 31, 2023 and 22.1% at June 30, 2023.

Liquidity

The objective of liquidity risk management is to ensure that the Corporation has the ability to generate sufficient cash or cash equivalents in a timely and cost effective manner to satisfy the cash flow requirements of depositors and borrowers and to meet its other commitments as they become due. The Corporation’s liquidity risk management process is designed to identify, measure, and manage the Corporation’s funding and liquidity risk to meet its daily funding needs in the ordinary course of business, as well as to address expected and unexpected changes in its funding requirements. The Corporation engages in various activities to manage its liquidity risk, including diversifying its funding sources, stress testing, and holding readily-marketable assets which can be used as a source of liquidity, if needed.

The Corporation performs dynamic scenario analysis in accordance with industry best practices. Measures have been established to ensure the Corporation has sufficient high quality short-term liquidity to meet cash flow requirements under stressed scenarios. In addition, the Corporation also reviews static measures such as deposit funding as a percentage of total assets and liquid asset levels. Strong capital ratios, credit quality, and core earnings are also essential to maintaining cost effective access to wholesale funding markets. At June 30, 2024, the Corporation was in compliance with its internal liquidity objectives and had sufficient asset-based liquidity to meet its obligations even under a stressed scenario.

The Corporation maintains diverse and readily available liquidity sources, including:

•Lines of credit with the Federal Reserve Bank and FHLB, which require eligible loan and investment collateral to be pledged. Based on the amount of collateral pledged, the FHLB established a collateral value from which the Bank may draw advances, and issue letters of credit in favor of public fund depositors, against the collateral. As of June 30, 2024, the Bank had $5.2 billion available for future funding. The Federal Reserve Bank also establishes a collateral value of assets to support borrowings from the discount window. As of June 30, 2024, the Bank had $2.3 billion available for discount window borrowings.

•A $200 million Parent Company commercial paper program, of which there was none outstanding as of June 30, 2024.

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•Dividends and service fees from subsidiaries, as well as the proceeds from issuance of capital, which are also funding sources for the Parent Company.

•Acquisition related equity issuances by the Parent Company; the Corporation has filed a shelf registration statement with the SEC under which the Parent Company may, from time to time, offer shares of the Corporation’s common stock in connection with acquisitions of businesses, assets, or securities of other companies.

•Other issuances by the Parent Company; the Corporation maintains on file with the SEC a universal shelf registration statement, under which the Parent Company may offer the following securities, either separately or in units: debt securities, preferred stock, depositary shares, common stock, and warrants.

•Bank issuances; the Bank may also issue institutional CDs, network transaction deposits, and brokered CDs.

•Global Bank Note Program issuances; the Bank has implemented a program pursuant to which it may from time to time offer up to $2.0 billion aggregate principal amount of its unsecured senior and subordinated notes.

The following table presents secured and total available liquidity sources, estimated uninsured and uncollateralized deposits (excluding intercompany deposits), and coverage of estimated uninsured and uncollateralized deposits:

Table 14 Liquidity Sources and Uninsured Deposit Coverage Ratio

($ in thousands)	Jun 30, 2024			Mar 31, 2024			Dec 31, 2023			Sep 30, 2023			Jun 30, 2023
Federal Reserve Bank balance	$	482,362		$	419,554		$	421,848		$	314,287		$	178,983
Available FHLB Chicago capacity	5,184,341			7,035,768			5,985,385			5,377,628			5,148,360
Available Federal Reserve Bank discount window capacity	2,336,073			1,438,992			1,433,655			1,335,938			1,635,140
Available BTFP capacity	—			—			522,465			618,829			633,817
Funding available within one business day(a)	8,002,776			8,894,314			8,363,353			7,646,682			7,596,300
Available federal funds lines	1,676,000			1,670,000			1,550,000			2,518,000			2,623,000
Available brokered deposits capacity(b)	679,089			446,513			138,512			1,240,488			761,301
Unsecured debt capacity(c)	1,000,000			1,000,000			1,000,000			1,000,000			1,000,000
Total available liquidity	$	11,357,865		$	12,010,827		$	11,051,865		$	12,405,170		$	11,980,601
Uninsured and uncollateralized deposits	$	7,174,369		$	7,710,911		$	7,586,047		$	7,269,248		$	7,081,826
Coverage ratio of uninsured and uncollateralized deposits with secured funding available within one business day	112		%	115		%	110		%	105		%	107		%
Coverage ratio of uninsured and uncollateralized deposits with total funding	158		%	156		%	146		%	171		%	169		%

(a) Estimated based on normal course of operations with indicated institution.

(b) Availability based on internal policy limitations. The Corporation includes outstanding deposits that have received a primary purpose exemption in the brokered deposit classification as they have similar funding characteristics and risk as brokered deposits.

(c) Availability based on internal policy limitations.

Based on contractual obligations and ongoing operations, the Corporation's sources of liquidity are sufficient to meet present and future liquidity needs. See Table 17 for information about the Corporation's contractual obligations and other commitments. See section Deposits and Customer Funding for information about uninsured deposits and concentrations.

Credit ratings impact the Corporation's ability to issue debt securities and the cost to borrow money. Adverse changes in credit ratings impact not only the ability to raise funds in the capital markets but also the cost of these funds. For additional information regarding risks related to adverse changes in our credit ratings, see Part II, Item 1A, Risk Factors.

For the six months ended June 30, 2024, net cash provided by operating and financing activities was $268 million and $422 million, respectively, while net cash used in investing activities was $655 million, for a net increase in cash and cash equivalents of $35 million since year-end 2023. At June 30, 2024, assets of $41.6 billion increased $608 million, or 1%, from year-end 2023, primarily due to loan growth and increases in AFS securities. On the funding side, deposits of $32.7 billion decreased $755 million, or 2%, from year-end 2023, short-term funding increased $533 million, or 163%, and FHLB advances increased $733 million, or 38%.

For the six months ended June 30, 2023, net cash provided by operating and financing activities was $179 million and $1.6 billion, respectively, while net cash used in investing activities was $1.8 billion, for a net increase in cash and cash equivalents of $8 million since year-end 2022. At June 30, 2023, assets of $41.2 billion increased $1.8 billion, or 5%, from year-end 2022, primarily due to loan growth and increases in AFS securities. On the funding side, deposits of $32.0 billion increased $2.4 billion, or 8%, from year-end 2022, FHLB advances decreased $689 million, or 16%, and other long-term funding increased $286 million, or 115%, the latter due to the issuance of subordinated debt.

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Quantitative and Qualitative Disclosures about Market Risk

Market risk and interest rate risk are managed centrally. Market risk is the potential for loss arising from adverse changes in the fair value of fixed-income securities, equity securities, other earning assets, and derivative financial instruments as a result of changes in interest rates or other factors. Interest rate risk is the potential for reduced net interest income resulting from adverse changes in the level of interest rates. As a financial institution that engages in transactions involving an array of financial products, the Corporation is exposed to both market risk and interest rate risk. In addition to market risk, interest rate risk is measured and managed through a number of methods. The Corporation uses financial modeling simulation techniques that measure the sensitivity of future earnings due to changing rate environments to measure interest rate risk.

Policies established by the Corporation’s ALCO and approved by the Board of Directors are intended to limit these risks. The Board has delegated day-to-day responsibility for managing market and interest rate risk to ALCO. The primary objectives of market risk management are to minimize any adverse effect that changes in market risk factors may have on net interest income and to offset the risk of price changes for certain assets recorded at fair value.

Interest Rate Risk

The primary goal of interest rate risk management is to control exposure to interest rate risk within policy limits approved by the Board of Directors. These limits and guidelines reflect the Corporation's risk appetite for interest rate risk over both short-term and long-term horizons.

The major sources of the Corporation's non-trading interest rate risk are timing differences in the maturity and re-pricing characteristics of assets and liabilities, changes in the shape of the yield curve, and the potential exercise of explicit or embedded options. We measure these risks and their impact by identifying and quantifying exposures through the use of sophisticated simulation and valuation models which are employed by management to understand interest rate sensitive EAR and MVE at risk. The Corporation’s interest rate risk profile is such that, generally, a higher yield curve adds to income while a lower yield curve has a negative impact on earnings. The Corporation's EAR profile is asset sensitive at June 30, 2024.

For further discussion of the Corporation's interest rate risk and corresponding key assumptions, see the Interest Rate Risk section of Management’s Discussion and Analysis of Financial Condition and Results of Operations included in the Corporation’s 2023 Annual Report on Form 10-K.

The sensitivity analysis included below is measured as a percentage change in EAR due to gradual moves in benchmark interest rates from a baseline scenario over 12 months. We evaluate the sensitivity using: 1) a dynamic forecast incorporating expected growth in the balance sheet, and 2) a static forecast where the current balance sheet is held constant.

While a gradual shift in interest rates was used in this analysis to provide an estimate of exposure under a probable scenario, an instantaneous shift in interest rates would have a more significant impact. No EAR breaches occurred during the first six months of 2024.

Table 15 Estimated % Change in Rate Sensitive Earnings at Risk Over 12 Months

	Jun 30, 2024				Dec 31, 2023
	Dynamic Forecast		Static Forecast		Dynamic Forecast		Static Forecast
Gradual Rate Change
100 bp increase in interest rates	1.6	%	1.6	%	1.9	%	2.2	%
200 bp increase in interest rates	3.2	%	3.1	%	3.8	%	4.3	%
100 bp decrease in interest rates	(1.0)	%	(1.0)	%	(1.3)	%	(1.5)	%
200 bp decrease in interest rates	(2.1)	%	(2.0)	%	(2.6)	%	(3.1)	%

At June 30, 2024, the MVE profile indicates a decrease in net balance sheet value due to instantaneous upward changes in rates and an increase in net balance sheet value due to instantaneous downward changes in rates.

Table 16 Market Value of Equity Sensitivity

	Jun 30, 2024		Dec 31, 2023
Instantaneous Rate Change
100 bp increase in interest rates	(10.5)	%	(10.1)	%
200 bp increase in interest rates	(21.0)	%	(20.1)	%
100 bp decrease in interest rates	9.9	%	9.7	%
200 bp decrease in interest rates	18.8	%	18.5	%

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Since MVE measures the discounted present value of cash flows over the estimated lives of instruments, the change in MVE does not directly correlate to the degree that earnings would be impacted over a shorter time horizon (i.e., the current year). Further, MVE does not take into account factors such as future balance sheet growth, changes in product mix, changes in yield curve relationships, and changes in product spreads that could mitigate the adverse impact of changes in interest rates. The MVE measures in the 100 bp and 200 bp increase in interest rates scenarios are both outside of policy limits, which have been reported to the Corporation's Board.

The above EAR and MVE measures do not include all actions that management may undertake to manage this risk in response to anticipated changes in interest rates.

Contractual Obligations, Commitments, Off-Balance Sheet Arrangements, and Contingent Liabilities

The following table summarizes significant contractual obligations and other commitments at June 30, 2024, at those amounts contractually due to the recipient, including any unamortized premiums or discounts, hedge basis adjustments, or other similar carrying value adjustments.

Table 17 Contractual Obligations and Other Commitments

($ in thousands)	Note Reference	One Year or Less		One to Three Years		Three to Five Years		Over Five Years		Total
Time deposits		$	6,985,669	$	138,311	$	15,993	$	5	$	7,139,979
Short-term funding	8	859,539		—		—		—		859,539
FHLB advances	8	1,869,206		604,944		197,931		965		2,673,046
Other long-term funding	8	249,080		181		69		286,782		536,113
Operating leases	16	5,557		10,219		7,384		5,514		28,675
Total		$	9,969,052	$	753,656	$	221,377	$	293,267	$	11,237,353

The Corporation also has obligations under its derivatives, lending-related commitments, and retirement plans as described in Note 9 Derivative and Hedging Activities, Note 11 Commitments, Off-Balance Sheet Arrangements, Legal Proceedings, and Regulatory Matters, and Note 13 Retirement Plans of the notes to consolidated financial statements, respectively. Further discussion of the nature of each obligation is included in the referenced note to the consolidated financial statements.

Capital

Management actively reviews capital strategies for the Corporation and each of its subsidiaries in light of perceived business risks, future growth opportunities, industry standards, and compliance with regulatory requirements. The assessment of overall capital adequacy depends on a variety of factors, including asset quality, liquidity, stability of earnings, changing competitive forces, economic conditions in markets served, and strength of management. At June 30, 2024, the capital ratios of the Corporation and its banking subsidiaries were in excess of regulatory minimum requirements. The Corporation’s capital ratios are summarized in the following table.

Compliance with regulatory minimum capital requirements is a tool used in assessing the Corporation's capital adequacy, but not determinative of how the Corporation would fare under extreme stress. Factors that may affect the adequacy of the Corporation's capital include the inherent limitations of fair value estimates and the assumptions thereof, the inherent limitations of the regulatory risk-weights assigned to various asset types, the inherent limitations of accounting classifications of certain investments and the effect on their measurement, external macroeconomic conditions and their effects on capital and the Corporation's ability to raise capital or refinance capital commitments, and the extent of steps taken by state or federal government authorities in periods of extreme stress.

For additional information regarding the potential for additional regulation and supervision, see Part I, Item 1A, Risk Factors in the Corporation’s Annual Report on Form 10-K for the year ended December 31, 2023.

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Table 18 Capital Ratios

	YTD				Quarter Ended
($ in thousands)	Jun 30, 2024		Jun 30, 2023		Jun 30, 2024			Mar 31, 2024			Dec 31, 2023			Sep 30, 2023			Jun 30, 2023
Risk-based capital(a)
CET1					$	3,172,298		$	3,088,613		$	3,074,938		$	3,197,445		$	3,143,131
Tier 1 capital					3,366,410			3,282,725			3,269,050			3,391,557			3,337,243
Total capital					4,042,812			3,957,879			3,997,205			4,103,998			4,051,096
Total risk-weighted assets					32,767,830			32,753,344			32,732,710			33,497,484			33,143,953
Modified CECL transitional amount					22,425			22,425			44,851			44,851			44,851
CET1 capital ratio					9.68		%	9.43		%	9.39		%	9.55		%	9.48		%
Tier 1 capital ratio					10.27		%	10.02		%	9.99		%	10.12		%	10.07		%
Total capital ratio					12.34		%	12.08		%	12.21		%	12.25		%	12.22		%
Tier 1 leverage ratio					8.37		%	8.24		%	8.06		%	8.42		%	8.40		%
Selected equity and performance ratios
Total stockholders’ equity / total assets					10.19		%	10.13		%	10.18		%	9.91		%	10.00		%
Dividend payout ratio(b)	34.65	%	34.15	%	29.33		%	42.31		%	N/M			39.62		%	37.50		%
Return on average assets	0.97	%	0.96	%	1.13		%	0.80		%	(0.87)		%	0.80		%	0.86		%
Annualized noninterest expense / average assets	1.93	%	1.90	%	1.92		%	1.95		%	2.30		%	1.90		%	1.89		%

N/M = Not Meaningful

(a) The Federal Reserve establishes regulatory capital requirements, including well-capitalized standards for the Corporation. The Corporation follows Basel III, subject to certain transition provisions. These regulatory capital measurements are used by management, regulators, investors, and analysts to assess, monitor, and compare the quality and composition of the Corporations capital with the capital of other financial services companies.

(b) Ratio is based upon basic earnings per common share.

See Part II, Item 2, Unregistered Sales of Equity Securities and Use of Proceeds, for information on the shares repurchased during the second quarter of 2024.

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Non-GAAP Measures

Table 19 Non-GAAP Measures

	YTD						Quarter Ended
($ in thousands)	Jun 30, 2024			Jun 30, 2023			Jun 30, 2024			Mar 31, 2024			Dec 31, 2023			Sep 30, 2023			Jun 30, 2023
Selected equity and performance ratios(a)(b)(c)
Tangible common equity / tangible assets							7.18		%	7.08		%	7.11		%	6.88		%	6.94		%
Return on average equity	9.48		%	9.38		%	11.16		%	7.81		%	(8.74)		%	7.99		%	8.47		%
Return on average tangible common equity	13.78		%	13.79		%	16.25		%	11.31		%	(13.13)		%	11.67		%	12.38		%
Return on average CET1	12.42		%	12.11		%	14.54		%	10.27		%	(11.85)		%	10.08		%	10.88		%
Return on average tangible assets	1.01		%	1.00		%	1.18		%	0.84		%	(0.88)		%	0.84		%	0.90		%
Average stockholders' equity / average assets	10.20		%	10.22		%	10.14		%	10.26		%	9.97		%	10.06		%	10.18		%
Tangible common equity reconciliation(a)
Common equity							$	4,048,225		$	3,974,561		$	3,979,861		$	3,933,531		$	3,928,762
Goodwill and other intangible assets, net							(1,141,058)			(1,143,261)			(1,145,464)			(1,147,666)			(1,149,869)
Tangible common equity							$	2,907,167		$	2,831,300		$	2,834,398		$	2,785,865		$	2,778,893
Tangible assets reconciliation(a)
Total assets							$	41,623,908		$	41,137,084		$	41,015,855		$	41,637,381		$	41,219,473
Goodwill and other intangible assets, net							(1,141,058)			(1,143,261)			(1,145,464)			(1,147,666)			(1,149,869)
Tangible assets							$	40,482,850		$	39,993,824		$	39,870,392		$	40,489,715		$	40,069,604
Average tangible common equity and average CET1 reconciliation(a)
Common equity	$	3,979,681		$	3,901,605		$	3,972,092		$	3,987,269		$	3,926,452		$	3,937,940		$	3,934,949
Goodwill and other intangible assets, net	(1,143,478)			(1,152,100)			(1,142,368)			(1,144,588)			(1,146,677)			(1,148,951)			(1,151,039)
Tangible common equity	2,836,203			2,749,505			2,829,725			2,842,681			2,779,775			2,788,989			2,783,910
Modified CECL transitional amount	22,425			44,851			22,425			22,425			44,851			44,851			44,851
Accumulated other comprehensive loss	214,850			255,205			241,634			188,067			286,402			302,043			251,624
Deferred tax assets, net	18,404			27,934			24,506			12,303			26,580			27,694			27,714
Average CET1	$	3,091,883		$	3,077,495		$	3,118,290		$	3,065,475		$	3,137,608		$	3,163,577		$	3,108,099
Average tangible assets reconciliation(a)
Total assets	$	40,932,710		$	40,085,316		$	41,100,606		$	40,769,206		$	41,330,703		$	41,075,980		$	40,558,311
Goodwill and other intangible assets, net	(1,143,478)			(1,152,100)			(1,142,368)			(1,144,588)			(1,146,677)			(1,148,951)			(1,151,039)
Tangible assets	$	39,789,232		$	38,933,216		$	39,958,238		$	39,624,617		$	40,184,026		$	39,927,029		$	39,407,273
Adjusted net income reconciliation(b)
Net income	$	196,742		$	190,514		$	115,573		$	81,169		$	(90,806)		$	83,248		$	87,154
Other intangible amortization, net of tax	3,304			3,304			1,652			1,652			1,652			1,652			1,652
Adjusted net income	$	200,046		$	193,818		$	117,225		$	82,821		$	(89,154)		$	84,900		$	88,806
Adjusted net income available to common equity reconciliation(b)
Net income available to common equity	$	190,992		$	184,764		$	112,698		$	78,294		$	(93,681)		$	80,373		$	84,279
Other intangible amortization, net of tax	3,304			3,304			1,652			1,652			1,652			1,652			1,652
Adjusted net income available to common equity	$	194,296		$	188,068		$	114,350		$	79,946		$	(92,029)		$	82,025		$	85,931
End of period core customer deposits reconciliation
Total deposits							$	32,691,039		$	33,713,158		$	33,446,049		$	32,123,326		$	32,014,409
Network transaction deposits							(1,502,919)			(1,792,820)			(1,566,139)			(1,649,389)			(1,600,619)
Brokered CDs							(4,061,578)			(3,931,230)			(4,447,479)			(3,351,399)			(3,818,325)
Core customer deposits							$	27,126,542		$	27,989,108		$	27,432,431		$	27,122,539		$	26,595,465
Efficiency ratio reconciliation(d)
Federal Reserve efficiency ratio	61.27		%	57.26		%	61.51		%	61.03		%	132.01		%	60.06		%	58.49		%
Fully tax-equivalent adjustment	(0.71)		%	(0.82)		%	(0.71)		%	(0.71)		%	(3.29)		%	(0.89)		%	(0.85)		%
Other intangible amortization	(0.69)		%	(0.67)		%	(0.68)		%	(0.69)		%	(1.21)		%	(0.69)		%	(0.68)		%
Fully tax-equivalent efficiency ratio	59.88		%	55.78		%	60.12		%	59.63		%	127.54		%	58.50		%	56.96		%

(a) Tangible common equity and tangible assets exclude goodwill and other intangible assets, net.

(b) Adjusted net income and adjusted net income available to common equity, which are used in the calculation of return on average tangible assets and return on average tangible common equity, respectively, add back other intangible amortization, net of tax.

(c) These capital measurements are used by management, regulators, investors, and analysts to assess, monitor, and compare the quality and composition of our capital with the capital of other financial services companies.

(d) The efficiency ratio as defined by the Federal Reserve guidance is noninterest expense (which includes the provision for unfunded commitments) divided by the sum of net interest income plus noninterest income, excluding investment securities gains (losses), net. The fully tax-equivalent efficiency ratio is noninterest expense (which includes the provision for unfunded commitments), excluding other intangible amortization, divided by the sum of fully tax-equivalent net interest income plus noninterest income, excluding investment securities gains (losses), net.

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Sequential Quarter Results

The Corporation reported net income of $116 million for the second quarter of 2024, compared to net income of $81 million for the first quarter of 2024, the increase primarily due to an income tax benefit booked during the second quarter of 2024. Net income available to common equity was $113 million for the second quarter of 2024, or $0.75 for basic earnings per common share and $0.74 for diluted earnings per common share. Comparatively, net income available to common equity for the first quarter of 2024 was $78 million, or $0.52 for both basic and diluted earnings per common share (see Table 1).

Fully tax-equivalent net interest income for the second quarter of 2024 was $260 million, $1 million lower than the first quarter of 2024. The net interest margin in the second quarter of 2024 was down 4 bp to 2.75%. Average earning assets increased $401 million, or 1%, to $38.0 billion in the second quarter of 2024. Average loans increased $211 million, or 1%, primarily driven by growth within the commercial and business lending and auto finance portfolios. On the funding side, average total interest-bearing deposits decreased $468 million, or 2%, driven by decreases in time deposits, interest-bearing demand deposits and money market deposits, partially offset by an increase in savings account balances. Average FHLB advances increased $892 million, or 58%, largely due to the decrease in average deposits (see Table 2).

The provision for credit losses was $23 million for the second quarter of 2024 and $24 million for the first quarter of 2024 (see Table 11). See discussion under sections: Provision for Credit Losses, Nonperforming Assets, and Allowance for Credit Losses on Loans.

Noninterest income for the second quarter of 2024 was $65 million, effectively flat with the first quarter of 2024 (see Table 3).

Noninterest expense for the second quarter of 2024 was $196 million, down $2 million, or 1%, from the first quarter of 2024, driven primarily by the FDIC special assessment in the first quarter of 2024, partially offset by increases in personnel, other, and business development and advertising expense (see Table 4).

For the second quarter of 2024, the Corporation recognized an income tax benefit of $13 million, compared to income tax expense of $20 million for the first quarter of 2024. See section Income Taxes for a more detailed discussion.

Comparable Quarter Results

The Corporation reported net income of $116 million for the second quarter of 2024, compared to net income of $87 million for the second quarter of 2023, the increase primarily due to an income tax benefit booked during the second quarter of 2024. Net income available to common equity was $113 million for the second quarter of 2024, or $0.75 for basic earnings per common share and $0.74 for diluted earnings per common share. Comparatively, net income available to common equity for the second quarter of 2023 was $84 million, or $0.56 for both basic and diluted earnings per share (see Table 1).

Fully tax-equivalent net interest income for the second quarter of 2024 was $260 million, $2 million, or 1%, lower than the second quarter of 2023. The net interest margin between the comparable quarters was down 5 bp, to 2.75% in the second quarter of 2024. The decreases in net interest income and net interest margin were due to interest-bearing liability costs rising at a faster rate of growth than earning asset revenues as a result of deposit funding pressures. Average earning assets increased $428 million, or 1%, to $38.0 billion in the second quarter of 2024. Average loans increased $141 million, primarily driven by growth within auto finance and commercial lending, partially offset by a decrease in residential mortgage lending. On the funding side, average interest-bearing deposits increased $2.3 billion, or 9%, from the second quarter of 2023, due to increases in nearly all deposit categories, partially offset by a decrease in money market deposits. Average short and long-term funding decreased $896 million, or 19%, primarily driven by lower FHLB advances (see Table 2).

The provision for credit losses was $23 million for the second quarter of 2024, compared to a provision of $22 million for the second quarter of 2023 (see Table 11). See discussion under sections: Provision for Credit Losses, Nonperforming Assets, and Allowance for Credit Losses on Loans.

Noninterest income for the second quarter of 2024 was $65 million, down approximately $384,000, or 1%, compared to the second quarter of 2023 (see Table 3).

Noninterest expense for the second quarter of 2024 was $196 million, up $5 million, or 3%, from the second quarter of 2023, driven primarily by increases in personnel and technology expense, partially offset by decreases in FDIC assessment and other expense (see Table 4).

The Corporation recognized an income tax benefit of $13 million for the second quarter of 2024, compared to an income tax expense of $24 million for the second quarter of 2023. See section Income Taxes for a more detailed discussion.

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Segment Review

As discussed in Note 14 Segment Reporting of the notes to consolidated financial statements, the Corporation’s reportable segments have been determined based upon its internal profitability reporting system, which is organized by strategic business unit. Certain strategic business units have been combined for segment information reporting purposes where the nature of the products and services, the type of customer, and the distribution of those products and services are similar. The reportable segments are Corporate and Commercial Specialty; Community, Consumer and Business; and Risk Management and Shared Services.

Table 20 Selected Segment Financial Data

	Three Months Ended Jun 30,							Six Months Ended Jun 30,
($ in thousands)	2024			2023			% Change	2024			2023			% Change
Corporate and Commercial Specialty
Total revenue	$	187,089		$	172,282		9%	$	370,707		$	343,143		8%
Provision for credit losses	16,492			13,674			21%	31,920			27,456			16%
Noninterest expense	65,394			61,137			7%	131,744			123,256			7%
Income tax expense	17,765			17,086			4%	38,846			34,811			12%
Net income	87,438			80,385			9%	168,196			157,619			7%
Average earning assets	17,788,957			17,444,251			2%	17,716,259			17,276,106			3%
Average loans	17,780,167			17,426,931			2%	17,709,291			17,259,706			3%
Average deposits	8,612,694			8,792,906			(2)%	8,963,242			9,240,323			(3)%
Average allocated capital (Average CET1)(a)	1,726,461			1,713,009			1%	1,718,844			1,708,729			1%
Return on average allocated capital(a)	20.37		%	18.82		%	155 bp	19.68		%	18.60		%	108 bp
Community, Consumer, and Business
Total revenue	$	218,559		$	208,554		5%	$	431,404		$	402,863		7%
Provision for credit losses	5,591			7,328			(24)%	12,416			14,086			(12)%
Noninterest expense	107,565			108,928			(1)%	218,055			220,663			(1)%
Income tax expense	22,134			19,383			14%	42,196			35,304			20%
Net income	83,268			72,915			14%	158,737			132,810			20%
Average earning assets	11,246,835			11,492,005			(2)%	11,208,078			11,373,558			(1)%
Average loans	11,246,835			11,492,005			(2)%	11,208,078			11,373,558			(1)%
Average deposits	18,319,348			18,065,314			1%	18,205,626			18,093,436			1%
Average allocated capital (Average CET1)(a)	744,217			732,066			2%	740,353			721,842			3%
Return on average allocated capital(a)	45.00		%	39.95		%	N/M	43.12		%	37.10		%	N/M
Risk Management and Shared Services
Total revenue	$	(83,896)		$	(57,376)		46%	$	(157,515)		$	(86,463)		82%
Provision for credit losses	925			1,097			(16)%	2,672			(1,471)			N/M
Noninterest expense	22,902			20,609			11%	43,719			34,167			28%
Income tax (benefit)	(52,589)			(12,935)			N/M	(73,716)			(19,243)			N/M
Net (loss)	(55,133)			(66,146)			(17)%	(130,191)			(99,916)			30%
Average earning assets	8,961,646			8,632,734			4%	8,872,497			8,427,968			5%
Average loans	552,561			519,361			6%	556,925			510,431			9%
Average deposits	5,697,363			4,422,915			29%	5,779,362			3,243,256			78%
Average allocated capital (Average CET1)(a)	647,612			663,024			(2)%	632,686			646,925			(2)%
Return on average allocated capital(a)	(36.03)		%	(41.75)		%	N/M	(43.21)		%	(32.94)		%	N/M
Consolidated Total
Total revenue	$	321,752		$	323,460		(1)%	$	644,595		$	659,543		(2)%
Return on average allocated capital(a)	14.54		%	10.88		%	N/M	12.42		%	12.11		%	31 bp

N//M = Not meaningful

(a) The Federal Reserve establishes capital adequacy requirements for the Corporation, including CET1. For segment reporting purposes, the ROCET1 reflects return on average allocated CET1. The ROCET1 for the Risk Management and Shared Services segment and the Consolidated Total is inclusive of the annualized effect of the preferred stock dividends.

Notable Changes in Segment Financial Data

The Corporate and Commercial Specialty segment consists of lending and deposit solutions to larger businesses, developers, not-for-profits, municipalities, and financial institutions, and the support to deliver, fund, and manage such banking solutions. In addition, this segment provides a variety of investment, fiduciary, and retirement planning products and services to individuals and small to mid-sized businesses.

71

•Total revenue increased $15 million from the three months ended June 30, 2023, and increased $28 million from the six months ended June 30, 2023, primarily attributable to higher loan volumes and interest rates driving net interest income higher.

•Noninterest expense increased $4 million from the three months ended June 30, 2023, and increased $8 million from the six months ended June 30, 2023, primarily due to higher personnel costs.

•Average loans increased $353 million from the three months ended June 30, 2023, and increased $450 million from the six months ended June 30, 2023, primarily driven by growth in commercial and business lending, residential mortgage lending, and CRE lending.

•Average deposits decreased $180 million from the three months ended June 30, 2023, and decreased $277 million from the six months ended June 30, 2023, driven by decreases in noninterest-bearing demand deposits and money market deposits, partially offset by an increase in interest-bearing demand deposits.

The Community, Consumer, and Business segment consists of lending and deposit solutions to individuals and small to mid-sized businesses.

•Total revenue increased $10 million from the three months ended June 30, 2023, and increased $29 million from the six months ended June 30, 2023, primarily attributable to receiving net FTP credit for providing funding for the Corporation and higher interest rates.

•Average loans decreased $245 million from the three months ended June 30, 2023, and decreased $165 million from the six months ended June 30, 2023, driven by a decrease in residential mortgage lending, partially offset by an increase in auto finance lending.

•Average deposits increased $254 million from the three months ended June 30, 2023, and increased $112 million from the six months ended June 30, 2023, driven by increases in time deposits and savings deposits, partially offset by decreases in noninterest-bearing demand deposits and money market deposits.

The Risk Management and Shared Services segment includes key shared Corporate functions, Parent Company activity, intersegment eliminations, and residual revenues and expenses.

•Total revenue decreased $27 million from the three months ended June 30, 2023, and decreased $71 million from the six months ended June 30, 2023, primarily driven by increased interest expense.

•Provision for credit losses increased $4 million from the six months ended June 30, 2023, driven by nominal credit movement coupled with general macroeconomic trends.

•Noninterest expense increased $10 million from the six months ended June 30, 2023, driven by higher personnel expense and the FDIC special assessment.

•Average earning assets increased $329 million from the three months ended June 30, 2023, and increased $445 million from the six months ended June 30, 2023, primarily driven by higher balances of AFS investment securities in the portfolio.

•Average deposits increased $1.3 billion from the three months ended June 30, 2023, and increased $2.5 billion from the six months ended June 30, 2023, primarily driven by increases in brokered CDs and network deposits, partially offset by a decrease in money market deposits.

Critical Accounting Estimates

In preparing the consolidated financial statements, management is required to make estimates and assumptions that affect the reported amounts of assets and liabilities as of the date of the balance sheet and revenues and expenses for the period. Actual results could differ significantly from those estimates. The determination of the ACLL is particularly susceptible to significant change. A discussion of these estimates can be found in the Critical Accounting Estimates section in Management's Discussion and Analysis of Financial Condition and Results of Operations included in the Corporation’s 2023 Annual Report on Form 10-K. There have been no changes in the Corporation's application of critical accounting estimates since December 31, 2023.

Recent Developments

On July 30, 2024, the Corporation’s Board of Directors declared a regular quarterly cash dividend of $0.22 per common share, payable on September 16, 2024 to shareholders of record at the close of business on September 3, 2024. The Board of Directors

72

also declared a regular quarterly cash dividend of $0.3671875 per depositary share on Associated's 5.875% Series E Perpetual Preferred Stock, payable on September 16, 2024 to shareholders of record at the close of business on September 3, 2024. The Board of Directors also declared a regular quarterly cash dividend of $0.3515625 per depositary share on Associated's 5.625% Series F Perpetual Preferred Stock, payable on September 16, 2024 to shareholders of record at the close of business on September 3, 2024.

ITEM 3.     Quantitative and Qualitative Disclosures About Market Risk

Information required by this item is set forth in Item 2 under the captions Quantitative and Qualitative Disclosures about Market Risk and Interest Rate Risk.

73

ITEM 4.     Controls and Procedures

The Corporation maintains disclosure controls and procedures as required under Rule 13a-15 promulgated under the Securities Exchange Act of 1934, as amended, that are designed to ensure that information required to be disclosed in the Corporation's Exchange Act reports is recorded, processed, summarized and reported within the time periods specified in the SEC’s rules and forms, and that such information is accumulated and communicated to the Corporation’s management, including its Chief Executive Officer and Chief Financial Officer, as appropriate, to allow timely decisions regarding required disclosure.

As of June 30, 2024, the Corporation’s management carried out an evaluation, under the supervision and with the participation of the Corporation’s Chief Executive Officer and Chief Financial Officer, of the effectiveness of its disclosure controls and procedures. Based on the foregoing, its Chief Executive Officer and Chief Financial Officer concluded that the Corporation’s disclosure controls and procedures were effective as of June 30, 2024.

No changes were made to the Corporation’s internal control over financial reporting (as defined in Rule 13a-15(f) of the Exchange Act of 1934) during the last fiscal quarter that have materially affected, or are reasonably likely to materially affect, the Corporation’s internal control over financial reporting.

74

PART II - OTHER INFORMATION

ITEM 1. Legal Proceedings

The information required by this item is set forth in Part I, Item 1 under Note 11 Commitments, Off-Balance Sheet Arrangements, Legal Proceedings, and Regulatory Matters of the notes to consolidated financial statements.

ITEM 1A. Risk Factors

There have been no material changes in the Risk Factors described in the Corporation’s 2023 Annual Report on Form 10-K.

ITEM 2. Unregistered Sales of Equity Securities and Use of Proceeds

During the second quarter of 2024, the Corporation repurchased $1 million of common stock, all of which were repurchases related to tax withholding on equity compensation with no open market repurchases during the quarter. The repurchase details are presented in the table below:

Common Stock Purchases

	Total Number  of Shares Purchased(a)	Average Price Paid per Share		Total Number of Shares Purchased as Part of Publicly Announced Plans or Programs	Maximum Number of Shares that May Yet Be Purchased Under the Plans or Programs(b)
Period
April 1, 2024 - April 30, 2024	41,236	$	21.53	—
May 1, 2024 - May 31, 2024	3,223	22.32		—
June 1, 2024 - June 30, 2024	6,311	20.36		—
Total	50,770	$	21.43	—	2,901,020

(a) During the second quarter of 2024, all common shares repurchased were for minimum tax withholding settlements on equity compensation. These purchases do not count against the maximum value of shares remaining available for purchase under the Board of Directors' 2021 authorization.

(b) At June 30, 2024, there remained $61 million authorized to be repurchased under the Board of Directors' 2021 $100 million authorization. The maximum number of shares that may yet be purchased under this authorization is based on the closing share price on June 30, 2024.

Repurchases under Board authorized repurchase programs are subject to any necessary regulatory approvals and other limitations and may occur from time to time in open market purchases, block transactions, private transactions, accelerated share repurchases, or similar facilities.

ITEM 5. Other Information

During the three months ended June 30, 2024, no director or "officer" of the Corporation adopted or terminated a “Rule 10b5-1 trading arrangement” or “non-Rule 10b5-1 trading arrangement,” as each term is defined in Item 408(a) of Regulation S-K.

75

ITEM 6. Exhibits

(a)    Exhibits:

Exhibit (31.1), Certification Under Section 302 of Sarbanes-Oxley by Andrew J. Harmening, Chief Executive Officer.

Exhibit (31.2), Certification Under Section 302 of Sarbanes-Oxley by Derek S. Meyer, Chief Financial Officer.

Exhibit (32), Certification by the Chief Executive Officer and Chief Financial Officer Pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to Section 906 of Sarbanes-Oxley.

Exhibit (101), Interactive data files pursuant to Rule 405 of Regulation S-T: (i) Unaudited Consolidated Balance Sheets, (ii) Unaudited Consolidated Statements of Income, (iii) Unaudited Consolidated Statements of Comprehensive Income, (iv) Unaudited Consolidated Statements of Changes in Stockholders’ Equity, (v) Unaudited Consolidated Statements of Cash Flows, and (vi) Notes to Consolidated Financial Statements.

Exhibit (104), The cover page from the Corporation's Quarterly Report on Form 10-Q for the quarter ended June 30, 2024 has been formatted in Inline XBRL (Inline Extensible Business Reporting Language) and contained in Exhibits in 101.

76

Signatures

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

	ASSOCIATED BANC-CORP
	(Registrant)
Date: July 30, 2024	/s/ Andrew J. Harmening
	Andrew J. Harmening
	President and Chief Executive Officer
Date: July 30, 2024	/s/ Derek S. Meyer
	Derek S. Meyer
	Chief Financial Officer
Date: July 30, 2024	/s/ Ryan J. Beld
	Ryan J. Beld
	Chief Accounting Officer

77

EX-31.1

Exhibit 31.1

CERTIFICATION UNDER SECTION 302 OF THE

SARBANES-OXLEY ACT OF 2002

CERTIFICATIONS

I, Andrew J. Harmening, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Associated Banc-Corp;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c) Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d) Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

(a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

(b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date: July 30, 2024	/s/ Andrew J. Harmening
	Andrew J. Harmening
	President and Chief Executive Officer

EX-31.2

Exhibit 31.2

CERTIFICATION UNDER SECTION 302 OF THE

SARBANES-OXLEY ACT OF 2002

CERTIFICATIONS

I, Derek S. Meyer, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Associated Banc-Corp;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c) Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d) Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

(a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

(b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date: July 30, 2024	/s/ Derek S. Meyer
	Derek S. Meyer
	Chief Financial Officer

EX-32

Exhibit 32

Certification by the Chief Executive Officer and Chief Financial

Officer Pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant

to Section 906 of the Sarbanes-Oxley Act of 2002

Pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, each of the undersigned officers of Associated Banc-Corp, a Wisconsin corporation (the “Company”), does hereby certify that:

1. The accompanying Quarterly Report of the Company on Form 10-Q for the quarter ended June 30, 2024 (the “Report”), fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

2. Information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

/s/ Andrew J. Harmening

Andrew J. Harmening

Chief Executive Officer

July 30, 2024

/s/ Derek S. Meyer

Derek S. Meyer

Chief Financial Officer

July 30, 2024

XML

Document and Entity Information - shares	6 Months Ended
	Jun. 30, 2024	Jul. 25, 2024
Entity Information [Line Items]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Jun. 30, 2024
Document Transition Report	false
Entity File Number	001-31343
Entity Registrant Name	Associated Banc-Corp
Entity Incorporation, State or Country Code	WI
Entity Address, Address Line One	433 Main Street
Entity Address, City or Town	Green Bay,
Entity Address, State or Province	WI
Entity Tax Identification Number	39-1098068
Entity Address, Postal Zip Code	54301
City Area Code	920
Local Phone Number	491-7500
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Emerging Growth Company	false
Entity Small Business	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		150,900,815
Entity Central Index Key	0000007789
Amendment Flag	false
Document Fiscal Year Focus	2024
Document Fiscal Period Focus	Q2
Current Fiscal Year End Date	--12-31
The New York Stock Exchange
Entity Information [Line Items]
Title of 12(b) Security	Common stock, par value $0.01 per share
Trading Symbol	ASB
Security Exchange Name	NYSE
The New York Stock Exchange | Two Thousand Twenty Three Subordinated Notes
Entity Information [Line Items]
Title of 12(b) Security	6.625% Fixed-Rate Reset Subordinated Notes due 2033
Trading Symbol	ASBA
Security Exchange Name	NYSE
Series E Preferred Stock | The New York Stock Exchange
Entity Information [Line Items]
Title of 12(b) Security	Depositary Shrs, each representing 1/40th intrst in a shr of 5.875% Non-Cum. Perp Pref Stock, Srs E
Trading Symbol	ASB PrE
Security Exchange Name	NYSE
Series F Preferred Stock | The New York Stock Exchange
Entity Information [Line Items]
Title of 12(b) Security	Depositary Shrs, each representing 1/40th intrst in a shr of 5.625% Non-Cum. Perp Pref Stock, Srs F
Trading Symbol	ASB PrF
Security Exchange Name	NYSE

XML

Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Assets
AFS investment securities, at fair value	$ 3,912,730	$ 3,600,892
HTM investment securities, net, at amortized cost	3,799,035	3,860,160
Equity Securities, FV-NI and without Readily Determinable Fair Value	22,944	41,651
FHLB and Federal Reserve Bank stocks, at cost	212,102	229,171
Residential loans held for sale	83,795	33,011
Commercial loans held for sale	0	90,303
Loans	29,618,271	29,216,218
Allowance for loan losses	(355,844)	(351,094)
Tax credit and other investments	246,300	258,067
Premises and equipment, net	369,968	372,978
Goodwill	1,104,992	1,104,992
Other intangible assets, net	36,066	40,471
Mortgage servicing rights, net	85,640	84,390
Interest receivable	173,106	169,569
Other assets	672,256	658,604
Total assets	41,623,908	41,015,855
Liabilities and stockholders' equity
Noninterest-bearing demand deposits	5,815,045	6,119,956
Interest-bearing deposits	26,875,995	27,326,093
Total deposits	32,691,039	33,446,049
Short-Term Debt	859,539	326,780
FHLB advances	2,673,046	1,940,194
Allowance for unfunded commitments	33,776	34,776
Accrued expenses and other liabilities	588,057	552,814
Total liabilities	37,381,571	36,841,882
Stockholders’ equity
Preferred equity	194,112	194,112
Common stock	1,752	1,752
Surplus	1,711,316	1,714,822
Retained earnings	3,070,762	2,946,805
Accumulated other comprehensive (loss)	(219,214)	(171,096)
Treasury stock, at cost	(516,391)	(512,421)
Total common equity	4,048,225	3,979,861
Total stockholders’ equity	4,242,337	4,173,973
Total liabilities and stockholders’ equity	$ 41,623,908	$ 41,015,855
Preferred shares authorized (par value $1.00 per share)	750,000	750,000
Preferred shares issued and outstanding	200,000	200,000
Common shares authorized (par value $0.01 per share)	250,000,000	250,000,000
Common shares issued	175,216,409	175,216,409
Common shares outstanding	150,785,257	151,036,674
Preferred shares, par value	$ 1.00	$ 1.00
Common shares, par value	$ 0.01	$ 0.01
Fair Value, Inputs, Level 1
Assets
Cash and Due from Banks	$ 470,818	$ 484,384
Interest-bearing deposits in other financial institutions	484,677	425,089
Federal funds sold and securities purchased under agreements to resell	3,600	14,350
Fair Value, Inputs, Level 2
Assets
Bank and corporate owned life insurance	683,451	682,649
Liabilities and stockholders' equity
FHLB advances	2,673,046	1,940,194
Other long-term funding	536,113	541,269
Fair Value, Inputs, Level 3
Assets
Loans, net	$ 29,262,428	$ 28,865,124

XML

Consolidated Balance Sheets (Parenthetical) - $ / shares	Jun. 30, 2024	Dec. 31, 2023
Preferred shares, par value	$ 1.00	$ 1.00
Common shares, par value	$ 0.01	$ 0.01

XML

Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Interest income
Interest and fees on loans	$ 456,788	$ 423,307	$ 911,260	$ 814,626
Interest and dividends on investment securities
Taxable	50,278	35,845	96,826	65,987
Tax-exempt	14,669	15,994	29,443	32,019
Other interest	8,539	6,086	16,133	11,415
Total interest income	530,274	481,231	1,053,662	924,048
Interest expense
Interest on deposits	221,062	162,196	447,293	271,618
Interest on federal funds purchased and securities sold under agreements to repurchase	2,303	2,261	5,166	5,404
Interest on other short-term funding	6,077	0	10,785	1
Interest on FHLB advances	34,143	49,261	55,814	99,222
Interest on long-term funding	10,096	9,596	20,154	15,876
Total interest expense	273,681	223,314	539,211	392,121
Net interest income	256,593	257,917	514,451	531,927
Provision for credit losses	23,008	22,100	47,009	40,071
Net interest income after provision for credit losses	233,585	235,817	467,442	491,856
Noninterest income
Capital markets, net	4,685	5,093	8,735	10,176
Mortgage banking, net	2,505	7,768	5,166	11,313
Bank and corporate owned life insurance	4,584	2,172	7,154	4,835
Asset (losses), net	(627)	(299)	(933)	(35)
Investment securities gains, net	67	14	3,947	66
Other	2,222	2,080	4,549	4,501
Noninterest Income, Total	65,159	65,543	130,144	127,616
Noninterest expense
Personnel	121,581	114,089	240,976	230,510
Technology	27,161	24,220	53,362	47,818
Occupancy	13,128	13,587	26,761	28,650
Business development and advertising	7,535	7,106	14,052	12,955
Equipment	4,450	4,975	9,049	9,906
Legal and professional	4,429	4,831	9,101	8,688
Loan and foreclosure costs	1,793	1,635	3,771	2,773
FDIC assessment	7,131	9,550	21,077	16,425
Other intangible amortization	2,203	2,203	4,405	4,405
Other	6,450	8,476	10,963	15,955
Total noninterest expense	195,861	190,673	393,518	378,086
Income before income taxes	102,884	110,687	204,068	241,386
Income tax (benefit) expense	(12,689)	23,533	7,326	50,873
Net income	115,573	87,154	196,742	190,514
Preferred stock dividends	2,875	2,875	5,750	5,750
Net income available to common equity	$ 112,698	$ 84,279	$ 190,992	$ 184,764
Earnings per common share
Basic	$ 0.75	$ 0.56	$ 1.27	$ 1.23
Diluted	$ 0.74	$ 0.56	$ 1.26	$ 1.22
Average common shares outstanding
Basic	149,872	149,986	149,864	149,875
Diluted	151,288	150,870	151,310	150,903
Wealth management fees
Noninterest income
Noninterest Income In Scope of Topic 606	$ 22,628	$ 20,483	$ 44,323	$ 40,672
Service charges and deposit account fees
Noninterest income
Noninterest Income In Scope of Topic 606	12,263	12,372	24,702	25,366
Card-based fees
Noninterest income
Revenue from Contract with Customer, Including Assessed Tax, Out of Scope Topic 606	11,975	11,396	23,242	21,982
Other fee-based revenue
Noninterest income
Revenue from Contract with Customer, Including Assessed Tax, Out of Scope Topic 606	$ 4,857	$ 4,465	$ 9,259	$ 8,740

XML

Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Statement of Comprehensive Income [Abstract]
Net income	$ 115,573	$ 87,154	$ 196,742	$ 190,514
AFS investment securities
Net unrealized (losses)	(11,126)	(49,066)	(41,014)	(12,588)
Amortization of net unrealized losses on AFS securities transferred to HTM securities	2,122	2,289	4,182	4,556
Reclassification adjustment for net losses realized in net income	0	0	197	0
Income tax benefit	2,253	11,843	9,138	1,951
Other comprehensive (loss) on AFS securities	(6,751)	(34,934)	(27,498)	(6,081)
Cash flow hedge derivatives
Unrealized Gain (Loss) on Cash Flow Hedging Instruments	(6,787)	(34,147)	(26,248)	(20,384)
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, before Tax	4,769	3,319	9,592	4,581
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax	(503)	7,867	(2,192)	3,173
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax	(2,522)	(22,961)	(18,848)	(12,630)
Defined benefit pension and postretirement obligations
Amortization of prior service cost	(73)	(81)	(144)	(163)
Amortization of actuarial (gain) loss	(7)	(7)	(14)	22
Income tax benefit (expense)	20	(71)	(1,614)	8
Other comprehensive (loss) on pension and postretirement obligations	(60)	(159)	(1,772)	(132)
Total other comprehensive (loss)	(9,333)	(58,054)	(48,117)	(18,843)
Comprehensive income	$ 106,241	$ 29,100	$ 148,625	$ 171,671

XML

Consolidated Statements of Changes in Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	Total	Board Authorized Purchase Program [Member]	Series E Preferred Stock	Series F Preferred Stock	Preferred Equity	Common Stock	Surplus	Retained Earnings [Member]	Accumulated Other Comprehensive (Loss)	Treasury Stock, Common	Treasury Stock, Common Board Authorized Purchase Program [Member]	Treasury Stock, Common Performance/Service Based RSAs, RSA,
Beginning balance at Dec. 31, 2022	$ 4,015,490				$ 194,112	$ 1,752	$ 1,712,733	$ 2,904,882	$ (272,799)	$ (525,190)
Comprehensive income:
Net income	103,360							103,360
Other Comprehensive Income (Loss), Net of Tax	39,211								39,211
Comprehensive income	142,571
Common stock issued:
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture	1,766						(12,612)	0		14,379
Purchase of treasury stock,	(5,362)											$ (5,362)
Cash dividends:
Common stock	(32,013)							(32,013)
Preferred stock(a)	(2,875)							(2,875)
Stock-based compensation expense, net	6,086						6,086
Ending balance at Mar. 31, 2023	4,125,663				194,112	1,752	1,706,206	2,973,354	(233,588)	(516,173)
Beginning balance at Dec. 31, 2022	4,015,490				194,112	1,752	1,712,733	2,904,882	(272,799)	(525,190)
Comprehensive income:
Net income	190,514							190,514
Other Comprehensive Income (Loss), Net of Tax	(18,843)								(18,843)
Comprehensive income	171,671
Ending balance at Jun. 30, 2023	4,122,874				194,112	1,752	1,708,303	3,025,637	(291,642)	(515,287)
Beginning balance at Mar. 31, 2023	4,125,663				194,112	1,752	1,706,206	2,973,354	(233,588)	(516,173)
Comprehensive income:
Net income	87,154							87,154
Other Comprehensive Income (Loss), Net of Tax	(58,054)								(58,054)
Comprehensive income	29,100
Common stock issued:
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture	93						(1,677)	0		1,770
Purchase of treasury stock,	(884)											(884)
Cash dividends:
Common stock	(31,996)							(31,996)
Preferred stock(a)	(2,875)							(2,875)
Stock-based compensation expense, net	3,773						3,773
Ending balance at Jun. 30, 2023	4,122,874				194,112	1,752	1,708,303	3,025,637	(291,642)	(515,287)
Cash dividends:
Preferred Stock, Dividends, Per Share, Cash Paid			$ 0.3671875	$ 0.3515625
Beginning balance at Dec. 31, 2023	4,173,973				194,112	1,752	1,714,822	2,946,805	(171,096)	(512,421)
Comprehensive income:
Net income	81,169							81,169
Other Comprehensive Income (Loss), Net of Tax	(38,785)								(38,785)
Comprehensive income	42,384
Common stock issued:
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture	3,910						(13,839)			17,749
Purchase of treasury stock,	(4,572)	$ (18,289)									$ (18,289)	(4,572)
Cash dividends:
Common stock	(33,527)							(33,527)
Preferred stock(a)	(2,875)							(2,875)
Stock-based compensation expense, net	7,669						7,669
Ending balance at Mar. 31, 2024	4,168,673				194,112	1,752	1,708,652	2,991,571	(209,881)	(517,533)
Beginning balance at Dec. 31, 2023	4,173,973				194,112	1,752	1,714,822	2,946,805	(171,096)	(512,421)
Comprehensive income:
Net income	196,742							196,742
Other Comprehensive Income (Loss), Net of Tax	(48,117)								(48,117)
Comprehensive income	148,625
Ending balance at Jun. 30, 2024	4,242,337				194,112	1,752	1,711,316	3,070,762	(219,214)	(516,391)
Beginning balance at Mar. 31, 2024	4,168,673				194,112	1,752	1,708,652	2,991,571	(209,881)	(517,533)
Comprehensive income:
Net income	115,573							115,573
Other Comprehensive Income (Loss), Net of Tax	(9,333)								(9,333)
Comprehensive income	106,241
Common stock issued:
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture	526						(1,704)			2,230
Purchase of treasury stock,	(1,088)											$ (1,088)
Cash dividends:
Common stock	(33,507)							(33,507)
Preferred stock(a)	(2,875)							(2,875)
Stock-based compensation expense, net	4,368						4,368
Ending balance at Jun. 30, 2024	$ 4,242,337				$ 194,112	$ 1,752	$ 1,711,316	$ 3,070,762	$ (219,214)	$ (516,391)
Cash dividends:
Preferred Stock, Dividends, Per Share, Cash Paid			$ 0.3671875	$ 0.3515625

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Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended				6 Months Ended		12 Months Ended
	Jun. 30, 2024	Mar. 31, 2024	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Cash flows from operating activities
Net income	$ 115,573	$ 81,169	$ 87,154	$ 103,360	$ 196,742	$ 190,514
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for credit losses	23,008		22,100		47,009	40,071
Depreciation and amortization					24,519	22,914
Change in MSRs valuation					(2,567)	(5,135)
Amortization of other intangible assets	2,203		2,203		4,405	4,405
Amortization and accretion on earning assets, funding, and other, net					20,405	16,509
Net amortization of tax credit investments					17,788	17,227
(Gains) on sales of investment securities, net					(3,857)	0
Asset losses, net	627		299		933	35
Loss on mortgage banking activities, net					882	1,389
Mortgage loans originated and acquired for sale					(274,358)	(168,395)
Proceeds from sales of mortgage loans held for sale					228,732	151,167
Changes in certain assets and liabilities:
(Increase) in interest receivable					(3,537)	(14,736)
Increase in interest payable					13,646	44,367
(Decrease) in expense payable					(15,042)	(40,882)
Increase (decrease) in net derivative position					10,523	(37,175)
Net change in other assets and other liabilities					1,772	(43,503)
Net cash provided by operating activities					267,996	178,771
Cash flows from investing activities
Net (increase) in loans					(378,926)	(1,054,924)
Purchases of:
AFS securities					(695,457)	(948,326)
HTM securities					0	(41,524)
FHLB and Federal Reserve Bank stocks and equity securities					(99,192)	(97,622)
Proceeds from:
Sales of AFS securities					9,472	0
Sale of FHLB and Federal Reserve Bank stocks and equity securities					139,110	115,975
Prepayments, calls, and maturities of AFS securities					328,990	172,680
Prepayments, calls, and maturities of HTM securities					62,894	62,212
Sales, prepayments, calls, and maturities of other assets					1,700	17,988
Premises, equipment, and software					(20,016)	(29,663)
Net change in tax credit and alternative investments					(3,667)	(14,116)
Net cash (used in) investing activities					(655,093)	(1,817,320)
Cash flows from financing activities
Net (decrease) increase in deposits					(755,009)	2,378,308
Net increase (decrease) in short-term funding					532,759	(264,684)
Net increase (decrease) in short-term FHLB advances					735,000	(685,000)
Repayment of long-term FHLB advances					(696)	(537)
Proceeds from long-term FHLB advances					2,656	115
Proceeds from issuance of long-term funding					0	292,740
(Repayment) of finance lease principal					(44)	(43)
Proceeds from issuance of common stock for stock-based compensation plans					4,436	1,859
Cash dividends on common stock					(67,034)	(64,009)
Cash dividends on preferred stock					(5,750)	(5,750)
Net cash provided by financing activities					422,369	1,646,755
Net increase in cash and cash equivalents					35,272	8,207
Cash and cash equivalents at beginning of period		923,823		621,455	923,823	621,455	$ 621,455
Cash and cash equivalents at end of period(a)	959,094		629,662		959,094	629,662	923,823
Supplemental disclosures of cash flow information
Cash paid for interest					525,006	347,202
Cash paid for income and franchise taxes					3,413	58,985
Loans and bank premises transferred to OREO					1,340	3,632
Capitalized mortgage servicing rights					2,490	1,322	$ 3,564
Loans transferred (from) held for sale (into) portfolio, net					(84,559)	(840)
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax	(2,522)		(22,961)		(18,848)	(12,630)
Board Authorized Purchase Program [Member]
Cash flows from financing activities
Purchase of treasury stock, open market purchases					(18,289)	0
Other Assets [Member]
Supplemental disclosures of cash flow information
Change in Unrealized Gain (Loss) on Hedged Item in Fair Value Hedge					2,113	(704)
Other Liabilities [Member]
Supplemental disclosures of cash flow information
Change in Unrealized Gain (Loss) on Hedged Item in Fair Value Hedge					9,779	9,651
Performance/Service Based RSAs, RSA,
Cash flows from financing activities
Purchase of treasury stock, open market purchases					(5,660)	(6,246)
Retained Earnings [Member]
Cash flows from operating activities
Net income	$ 115,573	$ 81,169	$ 87,154	$ 103,360	$ 196,742	$ 190,514

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Basis of Presentation

6 Months Ended

Jun. 30, 2024

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Basis of Presentation

Basis of Presentation

In the opinion of management, the accompanying unaudited consolidated financial statements contain all adjustments necessary to present fairly the financial position, results of operations and comprehensive income, changes in stockholders’ equity, and cash flows of the Corporation and Parent Company for the periods presented, and all such adjustments are of a normal recurring nature. The consolidated financial statements include the accounts of all subsidiaries. All significant intercompany transactions and balances have been eliminated in consolidation. The results of operations for the interim periods are not necessarily indicative of the results to be expected for the full year.

In preparing the consolidated financial statements, management is required to make estimates and assumptions that affect the reported amounts of assets and liabilities as of the date of the balance sheet and revenues and expenses for the period. Actual results could differ significantly from those estimates. The determination of the ACLL is particularly susceptible to significant change. Management has evaluated subsequent events for potential recognition or disclosure.

Within the tables presented, certain columns and rows may not sum due to the use of rounded numbers for disclosure purposes.

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Summary of Significant Accounting Policies

6 Months Ended

Jun. 30, 2024

Accounting Standards Update and Change in Accounting Principle [Abstract]

Summary of Significant Accounting Policies

Summary of Significant Accounting Policies

The accounting and reporting policies of the Corporation conform to U.S. GAAP and to general practice within the financial services industry. A discussion of these policies can be found in Note 1 Summary of Significant Accounting Policies included in the Corporation’s 2023 Annual Report on Form 10-K.

New Accounting Pronouncements Adopted

Standard	Description	Date of adoption	Effect on financial statements
ASU 2023-02 Investments-Equity Method and Joint Ventures (Topic 323): Accounting for Investments in Tax Credit Structures Using the Proportional Amortization Method	The amendments in this update permit reporting entities to elect to account for their tax equity investments, regardless of the tax credit program from which the income tax credits are received, using the proportional amortization method if certain conditions are met. A reporting entity may make an accounting policy election to apply the proportional amortization method on a tax-credit-program-by-tax-credit-program basis rather than electing to apply the proportional amortization method at the reporting entity level or to individual investments. The amendments in this update also remove certain guidance for Qualified Affordable Housing Project investments and require the application of the delayed equity contribution guidance to all tax equity investments. The amendments in this update are effective for fiscal years beginning after December 15, 2023, and must be applied on either a modified retrospective or a retrospective basis. Early adoption is permitted in any interim period, however if adopted in an interim period the entity shall adopt the amendments in this update as of the beginning of the fiscal year that includes the interim period.	1st quarter 2024	The Corporation has determined the impact on its results of operation, financial position, liquidity, and disclosures is immaterial.

Future Accounting Pronouncements

The expected impact of applicable material accounting pronouncements recently issued or proposed but not yet required to be adopted are discussed in the table below. To the extent that the adoption of new accounting standards materially affects the Corporation's financial condition, results of operations, liquidity or disclosures, the impacts are discussed in the applicable sections of this financial review.

Standard	Description	Date of anticipated adoption	Effect on financial statements
ASU 2023-07 Segment Reporting (Topic 280): Improvements to Reportable Segment Disclosures	The amendments in this update improve financial reporting by requiring disclosure of incremental segment information on an annual and interim basis for all public entities to enable investors to develop more decision-useful financial analyses. The amendments in this update also do not change how a public entity identifies its operating segments, aggregates those operating segments, or applies the quantitative thresholds to determine its reportable segments. The amendments in this update are effective for fiscal years beginning after December 15, 2023, and interim periods within fiscal years beginning after December 15, 2024. Early adoption is permitted.	Fiscal year 2024 and interim periods beginning in 1st quarter 2025	The Corporation is currently evaluating the impact on its disclosures.
ASU 2023-09 Income Taxes (Topic 740): Improvements to Income Tax Disclosures	The amendments in this update address investor requests for more transparency about income tax information through improvements to income tax disclosures primarily related to the rate reconciliation and income taxes paid information. This update also includes certain other amendments to improve the effectiveness of income tax disclosures. The amendments in this update are effective for fiscal years beginning after December 15, 2024 and are to be applied on a prospective basis. Early adoption is permitted.	Fiscal year 2025	The Corporation is currently evaluating the impact on its disclosures.

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Earnings Per Common Share

6 Months Ended

Jun. 30, 2024

Earnings Per Share [Abstract]

Earnings Per Common Share

Earnings Per Common Share

Earnings per common share are calculated utilizing the two-class method. Basic earnings per common share are calculated by dividing the sum of distributed earnings to common shareholders and undistributed earnings allocated to common shareholders by the weighted average number of common shares outstanding. Diluted earnings per common share are calculated by dividing the sum of distributed earnings to common shareholders and undistributed earnings allocated to common shareholders by the weighted average number of common shares outstanding adjusted for the dilutive effect of common stock awards (outstanding stock options and unvested restricted stock awards). Presented below are the calculations for basic and diluted earnings per common share:

	Three Months Ended Jun 30,				Six Months Ended Jun 30,
($ in thousands, except per share data)	2024		2023		2024		2023
Net income	$	115,573	$	87,154	$	196,742	$	190,514
Preferred stock dividends	(2,875)		(2,875)		(5,750)		(5,750)
Net income available to common equity	112,698		84,279		190,992		184,764
Common shareholder dividends	(33,310)		(31,802)		(66,718)		(63,611)
Unvested share-based payment awards	(197)		(194)		(317)		(398)
Undistributed earnings	$	79,191	$	52,283	$	123,958	$	120,755
Undistributed earnings allocated to common shareholders	$	78,723	$	51,965	$	123,256	$	120,047
Undistributed earnings allocated to unvested share-based payment awards	468		318		702		708
Undistributed earnings	$	79,191	$	52,283	$	123,958	$	120,755
Basic
Distributed earnings to common shareholders	$	33,310	$	31,802	$	66,718	$	63,611
Undistributed earnings allocated to common shareholders	78,723		51,965		123,256		120,047
Total common shareholders earnings, basic	$	112,034	$	83,768	$	189,974	$	183,658
Diluted
Distributed earnings to common shareholders	$	33,310	$	31,802	$	66,718	$	63,611
Undistributed earnings allocated to common shareholders	78,723		51,965		123,256		120,047
Total common shareholders earnings, diluted	$	112,034	$	83,768	$	189,974	$	183,658
Weighted average common shares outstanding	149,872		149,986		149,864		149,875
Effect of dilutive common stock awards	1,416		884		1,446		1,027
Diluted weighted average common shares outstanding	151,288		150,870		151,310		150,903
Basic earnings per common share	$	0.75	$	0.56	$	1.27	$	1.23
Diluted earnings per common share	$	0.74	$	0.56	$	1.26	$	1.22

Excluded from the earnings per common share calculations were 2 million and 5 million anti-dilutive common stock options for the three months ended June 30, 2024 and 2023, respectively, and 2 million and 3 million anti-dilutive common stock options were excluded from the earnings per common share calculations for the six months ended June 30, 2024 and 2023, respectively.

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Stock-Based Compensation

6 Months Ended

Jun. 30, 2024

Retirement Benefits [Abstract]

Stock-Based Compensation

Stock-Based Compensation

The fair values of stock options and restricted stock awards are amortized as compensation expense on a straight-line basis over the vesting period of the grants. For colleagues who meet the definition of retirement eligible under the 2017 Incentive Compensation Plan and the 2020 Incentive Compensation Plan, expenses related to stock options and restricted stock awards are fully recognized on the date the colleague meets the definition of normal or early retirement. Compensation expense recognized is included in personnel expense on the consolidated statements of income.

A summary of the Corporation’s stock option activity for the six months ended June 30, 2024 is presented below:

Stock Options	Shares(a)	Weighted Average Exercise Price		Weighted Average Remaining Contractual Term	Aggregate Intrinsic Value(a)
Outstanding at December 31, 2023	3,792	$	21.25	4.26 years	$	5,834
Exercised	230	17.20
Forfeited or expired	33	24.64
Outstanding at June 30, 2024	3,528	$	21.48	3.81 years	$	4,477
Options Exercisable at June 30, 2024	3,528	$	21.48	3.81 years	$	4,477

(a) In thousands

Intrinsic value represents the amount by which the fair market value of the underlying stock exceeds the exercise price of the stock option. For the six months ended June 30, 2024, the intrinsic value of stock options exercised was approximately $970,000, compared to approximately $220,000 for the six months ended June 30, 2023. For the six months ended June 30, 2024, the total fair value of stock options vested was approximately $489,000 compared to approximately $955,000 for the six months ended June 30, 2023.

The Corporation also has issued time-based and performance-based restricted stock awards under the 2017 Incentive Compensation Plan and 2020 Incentive Compensation Plan. Performance awards are based on performance goals determined by the Compensation and Benefits Committee of the Corporation's Board of Directors, with vesting ranging from a minimum of 0% to a maximum of 150% of the target award. Performance awards are valued utilizing a Monte Carlo simulation model to estimate fair value of the awards at the grant date.

The following table summarizes information about the Corporation’s restricted stock awards activity for the six months ended June 30, 2024:

Restricted Stock	Shares(a)	Weighted Average Grant Date Fair Value
Outstanding at December 31, 2023	2,349	$	21.20
Granted	814	20.89
Vested	732	23.98
Forfeited	23	22.13
Outstanding at June 30, 2024	2,408	$	21.28

(a) In thousands

The Corporation amortizes the expense related to restricted stock awards as compensation expense over the vesting period specified in the grant's award agreement. Performance-based restricted stock awards granted during 2023 and 2024 will cliff-vest after the three year performance period has ended. Service-based restricted stock awards granted during 2023 and 2024 will generally vest ratably over a period of four years. Expense for restricted stock awards of $12 million was recorded for the six months ended June 30, 2024, compared to $10 million for the six months ended June 30, 2023. Included in compensation expense for the first six months of 2024 was $4 million of expense for the accelerated vesting of restricted stock awards granted to retirement eligible colleagues. The Corporation had $25 million of unrecognized compensation costs related to restricted stock awards at June 30, 2024 that are expected to be recognized over the remaining requisite service periods that extend predominately through the first quarter of 2028.

The Corporation has the ability to issue shares from treasury or new shares upon the exercise of stock options or the granting of restricted stock awards. The Board of Directors has authorized management to repurchase shares of the Corporation’s common stock, to be made available for issuance in connection with the Corporation’s employee incentive plans and for other corporate purposes. The repurchase of shares, if any, will be based on market and investment opportunities, capital levels, growth prospects, and regulatory constraints. Such repurchases may occur from time to time in open market purchases, block transactions, private transactions, accelerated share repurchase programs, or similar facilities.

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Investment Securities

6 Months Ended

Jun. 30, 2024

Investments, Debt and Equity Securities [Abstract]

Investment Securities

Investment Securities

Investment securities are designated as AFS, HTM, or equity on the consolidated balance sheets. The amortized cost and fair values of AFS and HTM securities at June 30, 2024 were as follows:

($ in thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized (Losses)		Fair Value
AFS investment securities
U.S. Treasury securities	$	39,986	$	—	$	(4,349)	$	35,638
Obligations of state and political subdivisions (municipal securities)	82,876		—		(4,369)		78,507
Residential mortgage-related securities:
FNMA/FHLMC	1,224,824		172		(160,678)		1,064,318
GNMA	2,450,628		3,725		(13,545)		2,440,808
Commercial mortgage-related securities:
FNMA/FHLMC	18,513		—		(1,230)		17,283
GNMA	158,257		—		(8,458)		149,799
Asset backed securities:
FFELP	123,720		43		(998)		122,765
SBA	667		—		(27)		640
Other debt securities	3,000		—		(27)		2,973
Total AFS investment securities	$	4,102,470	$	3,941	$	(193,681)	$	3,912,730
HTM investment securities
U.S. Treasury securities	$	1,000	$	—	$	(22)	$	978
Obligations of state and political subdivisions (municipal securities)	1,668,494		1,411		(172,235)		1,497,670
Residential mortgage-related securities:
FNMA/FHLMC	916,966		25,024		(188,333)		753,657
GNMA	46,392		11		(3,866)		42,536
Private-label	335,148		8,955		(70,211)		273,892
Commercial mortgage-related securities:
FNMA/FHLMC	776,717		11,429		(157,363)		630,783
GNMA	54,403		289		(7,256)		47,436
Total HTM investment securities	$	3,799,119	$	47,119	$	(599,286)	$	3,246,952

The amortized cost and fair values of AFS and HTM securities at December 31, 2023 were as follows:

($ in thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized (Losses)		Fair Value
AFS investment securities
U.S. Treasury securities	$	39,984	$	—	$	(4,083)	$	35,902
Obligations of state and political subdivisions (municipal securities)	94,008		23		(2,214)		91,817
Residential mortgage-related securities:
FNMA/FHLMC	1,274,052		294		(153,552)		1,120,794
GNMA	2,021,242		24,254		(2,822)		2,042,675
Commercial mortgage-related securities:
FNMA/FHLMC	18,691		—		(1,755)		16,937
GNMA	161,928		—		(7,135)		154,793
Asset backed securities:
FFELP	135,832		5		(1,862)		133,975
SBA	1,077		2		(28)		1,051
Other debt securities	3,000		—		(50)		2,950
Total AFS investment securities	$	3,749,814	$	24,579	$	(173,501)	$	3,600,892
HTM investment securities
U.S. Treasury securities	$	999	$	—	$	(36)	$	963
Obligations of state and political subdivisions (municipal securities)	1,682,473		5,638		(134,053)		1,554,059
Residential mortgage-related securities:
FNMA/FHLMC	941,973		27,007		(164,587)		804,393
GNMA	48,979		92		(2,901)		46,170
Private-label	345,083		9,796		(65,372)		289,507
Commercial mortgage-related securities:
FNMA/FHLMC	780,995		12,699		(160,781)		632,914
GNMA	59,733		386		(7,500)		52,619
Total HTM investment securities	$	3,860,235	$	55,619	$	(535,230)	$	3,380,624

Expected maturities may differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties. The expected maturities of AFS and HTM securities at June 30, 2024, are shown below:

	AFS					HTM
($ in thousands)	Amortized Cost		Fair Value			Amortized Cost		Fair Value
Due in one year or less	$	2,000	$	1,983		$	6,288	$	6,240
Due after one year through five years	51,062		45,997			61,651		60,374
Due after five years through ten years	45,931		42,937			175,169		166,153
Due after ten years	26,868		26,201			1,426,386		1,265,882
Total debt securities	125,862		117,118			1,669,494		1,498,648
Residential mortgage-related securities:
FNMA/FHLMC	1,224,824		1,064,318			916,966		753,657
GNMA	2,450,628		2,440,808			46,392		42,536
Private-label	—		—			335,148		273,892
Commercial mortgage-related securities:
FNMA/FHLMC	18,513		17,283			776,717		630,783
GNMA	158,257		149,799			54,403		47,436
Asset backed securities:
FFELP	123,720		122,765			—		—
SBA	667		640			—		—
Total investment securities	$	4,102,470	$	3,912,730		$	3,799,119	$	3,246,952
Ratio of fair value to amortized cost			95.4		%			85.5		%

On a quarterly basis, the Corporation refreshes the credit quality of each HTM security. The following table summarizes the credit quality indicators of HTM securities at amortized cost at June 30, 2024:

($ in thousands)	AAA		AA		A		Not Rated		Total
U.S. Treasury securities	$	1,000	$	—	$	—	$	—	$	1,000
Obligations of state and political subdivisions (municipal securities)	766,531		894,406		5,494		2,063		1,668,494
Residential mortgage-related securities:
FNMA/FHLMC	916,966		—		—		—		916,966
GNMA	46,392		—		—		—		46,392
Private-label	335,148		—		—		—		335,148
Commercial mortgage-related securities:
FNMA/FHLMC	776,717		—		—		—		776,717
GNMA	54,403		—		—		—		54,403
Total HTM securities	$	2,897,156	$	894,406	$	5,494	$	2,063	$	3,799,119

The following table summarizes the credit quality indicators of HTM securities at amortized cost at December 31, 2023:

($ in thousands)	AAA		AA		A		Not Rated		Total
U.S. Treasury securities	$	999	$	—	$	—	$	—	$	999
Obligations of state and political subdivisions (municipal securities)	760,329		915,303		5,687		1,155		1,682,473
Residential mortgage-related securities:
FNMA/FHLMC	941,973		—		—		—		941,973
GNMA	48,979		—		—		—		48,979
Private-label	345,083		—		—		—		345,083
Commercial mortgage-related securities:
FNMA/FHLMC	780,995		—		—		—		780,995
GNMA	59,733		—		—		—		59,733
Total HTM securities	$	2,938,090	$	915,303	$	5,687	$	1,155	$	3,860,235

The following table summarizes gross realized gains and losses on AFS securities, the gain on sale and net write-up of equity securities, and proceeds from the sale of AFS investment securities for the three and six months ended June 30, 2024 and 2023:

	Three Months Ended Jun 30,				Six Months Ended Jun 30,
($ in thousands)	2024		2023		2024		2023
Gross realized (losses) on AFS securities	$	—	$	—	$	(197)	$	—
Gain on sale and net write-up (down) of equity securities	67		14		4,143		66
Investment securities gains, net	$	67	$	14	$	3,947	$	66
Proceeds from sales of AFS investment securities	$	—	$	—	$	9,472	$	—

During the first quarter of 2024, the Corporation sold its remaining Visa Class B restricted shares at a gain of $4 million.

Investment securities with a carrying value of $1.3 billion and $1.6 billion at June 30, 2024 and December 31, 2023, respectively, were pledged as required to secure certain deposits or for other purposes.

Accrued interest receivable on HTM securities totaled $18 million at both June 30, 2024 and December 31, 2023. Accrued interest receivable on AFS securities totaled $16 million and $15 million at June 30, 2024 and December 31, 2023, respectively. Accrued interest receivable on both HTM and AFS securities is included in interest receivable on the consolidated balance sheets.

The allowance for credit losses on HTM securities was approximately $84,000 at June 30, 2024 and approximately $75,000 at December 31, 2023, attributable entirely to the Corporation's municipal securities, included in HTM investment securities, net, at amortized cost on the consolidated balance sheets. The Corporation also holds U.S. Treasury, municipal, and mortgage-related securities issued by the U.S. government or a GSE which are backed by the full faith and credit of the U.S. government and private-label residential mortgage-related securities that have credit enhancement which covers the first 15% of losses and, as a result, no allowance for credit losses has been recorded related to these securities.

The following represents gross unrealized losses and the related fair value of AFS and HTM securities, aggregated by investment category and length of time individual securities have been in a continuous unrealized loss position, at June 30, 2024:

	Less than 12 months					12 months or more					Total
($ in thousands)	Number of Securities	Unrealized (Losses)		Fair Value		Number of Securities	Unrealized (Losses)		Fair Value		Unrealized (Losses)		Fair Value
AFS investment securities
U.S. Treasury securities	—	$	—	$	—	1	$	(4,349)	$	35,638	$	(4,349)	$	35,638
Obligations of state and political subdivisions (municipal securities)	25	(383)		11,594		112	(3,986)		65,278		(4,369)		76,872
Residential mortgage-related securities:
FNMA/FHLMC	17	(373)		25,524		87	(160,306)		1,025,295		(160,678)		1,050,819
GNMA	75	(8,837)		1,396,637		18	(4,709)		167,297		(13,545)		1,563,934
Commercial mortgage-related securities:
FNMA/FHLMC	—	—		—		1	(1,230)		17,283		(1,230)		17,283
GNMA	—	—		—		31	(8,458)		149,799		(8,458)		149,799
Asset backed securities:
FFELP	2	(72)		38,384		12	(925)		71,409		(998)		109,792
SBA	—	—		—		5	(27)		612		(27)		612
Other debt securities	—	—		—		3	(27)		2,973		(27)		2,973
Total	119	$	(9,664)	$	1,472,139	270	$	(184,017)	$	1,535,583	$	(193,681)	$	3,007,721
HTM investment securities
U.S. Treasury securities	—	$	—	$	—	1	$	(22)	$	978	$	(22)	$	978
Obligations of state and political subdivisions (municipal securities)	360	(8,558)		443,724		688	(163,676)		929,232		(172,235)		1,372,956
Residential mortgage-related securities:
FNMA/FHLMC	5	(52)		2,581		114	(188,281)		750,852		(188,333)		753,432
GNMA	6	(138)		8,508		80	(3,729)		34,028		(3,866)		42,536
Private-label	—	—		—		18	(70,211)		273,892		(70,211)		273,892
Commercial mortgage-related securities:
FNMA/FHLMC	—	—		—		45	(157,363)		630,783		(157,363)		630,783
GNMA	—	—		—		13	(7,256)		47,436		(7,256)		47,436
Total	371	$	(8,747)	$	454,813	959	$	(590,538)	$	2,667,200	$	(599,286)	$	3,122,012

For comparative purposes, the following represents gross unrealized losses and the related fair value of AFS and HTM securities, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position, at December 31, 2023:

	Less than 12 months					12 months or more					Total
($ in thousands)	Number of Securities	Unrealized (Losses)		Fair Value		Number of Securities	Unrealized (Losses)		Fair Value		Unrealized (Losses)		Fair Value
AFS investment securities
U.S. Treasury securities	—	$	—	$	—	1	$	(4,083)	$	35,902	$	(4,083)	$	35,902
Obligations of state and political subdivisions (municipal securities)	41	(347)		23,762		92	(1,867)		53,022		(2,214)		76,784
Residential mortgage-related securities:
FNMA/FHLMC	18	(333)		22,870		71	(153,219)		1,080,337		(153,552)		1,103,207
GNMA	13	(924)		156,847		5	(1,898)		26,643		(2,822)		183,490
Commercial mortgage-related securities:
FNMA/FHLMC	—	—		—		1	(1,755)		16,937		(1,755)		16,937
GNMA	9	(3,160)		103,055		22	(3,975)		51,738		(7,135)		154,793
Asset backed securities:
FFELP	—	—		—		14	(1,862)		125,339		(1,862)		125,339
SBA	—	—		—		5	(28)		761		(28)		761
Other debt securities	1	(9)		991		2	(42)		1,958		(50)		2,950
Total	82	$	(4,773)	$	307,527	213	$	(168,728)	$	1,392,635	$	(173,501)	$	1,700,162
HTM investment securities
U.S. Treasury securities	—	$	—	$	—	1	$	(36)	$	963	$	(36)	$	963
Obligations of state and political subdivisions (municipal securities)	182	(1,535)		180,270		537	(132,518)		792,940		(134,053)		973,210
Residential mortgage-related securities:
FNMA/FHLMC	20	(511)		30,323		94	(164,076)		771,042		(164,587)		801,365
GNMA	2	(17)		2,128		78	(2,884)		34,626		(2,901)		36,754
Private-label	—	—		—		18	(65,372)		289,507		(65,372)		289,507
Commercial mortgage-related securities:
FNMA/FHLMC	1	(121)		8,144		44	(160,660)		624,770		(160,781)		632,914
GNMA	—	—		—		13	(7,500)		52,619		(7,500)		52,619
Total	205	$	(2,184)	$	220,865	785	$	(533,046)	$	2,566,468	$	(535,230)	$	2,787,333

The Corporation reviews the AFS investment securities portfolio on a quarterly basis to monitor its credit exposure. A determination as to whether a security’s decline in fair value is the result of credit risk takes into consideration numerous factors and the relative significance of any single factor can vary by security. Some factors the Corporation may consider in this impairment analysis include the extent to which the security has been in an unrealized loss position, the change in security rating, financial condition and near-term prospects of the issuer, as well as the security and industry specific economic conditions.

Based on the Corporation’s evaluation, management does not believe any unrealized losses at June 30, 2024 represent credit deterioration as these unrealized losses are primarily attributable to changes in interest rates and the current market conditions. As of June 30, 2024, the Corporation does not intend to sell, nor does it believe that it will be required to sell, the securities in an unrealized loss position before recovery of their amortized cost basis.

FHLB and Federal Reserve Bank stocks: The Corporation is required to maintain Federal Reserve Bank stock and FHLB stock as a member bank of both the Federal Reserve System and the FHLB, and in amounts as required by these institutions. These equity securities are “restricted” in that they can only be sold back to the respective institutions or another member institution at par. Therefore, they are less liquid than other marketable equity securities and their fair value is equal to amortized cost. The Corporation had FHLB stock of $124 million and $143 million at June 30, 2024 and December 31, 2023, respectively. The Corporation had Federal Reserve Bank stock of $88 million and $87 million at June 30, 2024 and December 31, 2023, respectively. Accrued interest receivable on FHLB stock totaled $3 million and $4 million at June 30, 2024 and December 31, 2023, respectively. There was no accrued interest receivable on Federal Reserve Bank Stock at both June 30, 2024 and December 31, 2023. Accrued interest receivable on both FHLB stock and Federal Reserve Bank stock is included in interest receivable on the consolidated balance sheets.

Equity Securities

Equity securities with readily determinable fair values: The Corporation's portfolio of equity securities with readily determinable fair values is primarily comprised of mutual funds. The Corporation had equity securities with readily determinable fair values of $10 million and $7 million at June 30, 2024 and December 31, 2023, respectively.

Equity securities without readily determinable fair values: The Corporation's portfolio of equity securities without readily determinable fair values primarily consists of an investment in a private loan fund. The Corporation had equity securities without readily determinable fair values carried at $13 million and $35 million at June 30, 2024 and December 31, 2023, respectively. During the first quarter of 2024, the Corporation sold all of its remaining Visa Class B restricted shares.

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Loans

6 Months Ended

Jun. 30, 2024

Receivables [Abstract]

Loans, Notes, Trade and Other Receivables Disclosure [Text Block]

Loans

The period end loan composition was as follows:

($ in thousands)	Jun 30, 2024		Dec 31, 2023
Commercial and industrial	$	9,970,412	$	9,731,555
Commercial real estate — owner occupied	1,102,146		1,061,700
Commercial and business lending	11,072,558		10,793,255
Commercial real estate — investor	5,001,392		5,124,245
Real estate construction	2,255,637		2,271,398
Commercial real estate lending	7,257,029		7,395,644
Total commercial	18,329,587		18,188,898
Residential mortgage	7,840,073		7,864,891
Auto finance	2,556,009		2,256,162
Home equity	634,142		628,526
Other consumer	258,460		277,740
Total consumer	11,288,684		11,027,319
Total loans	$	29,618,271	$	29,216,218

Accrued interest receivable on loans totaled $136 million at June 30, 2024, and $132 million at December 31, 2023, and is included in interest receivable on the consolidated balance sheets. Interest accrued but not received is reversed against interest income when a loan is placed on nonaccrual. The amount of accrued interest reversed was $1 million for the three months ended June 30, 2024 and $2 million for the six months ended June 30, 2024, compared to $1 million for both the three and six months ended June 30, 2023.

The following table presents loans by credit quality indicator by origination year at June 30, 2024:

					Term Loans Amortized Cost Basis by Origination Year(a)
($ in thousands)	Rev Loans Converted to Term(a)		Rev Loans Amortized Cost Basis		YTD 2024		2023		2022		2021		2020		Prior		Total
Commercial and industrial:
Risk rating:
Pass	$	894	$	1,892,814	$	945,926	$	1,686,429	$	2,640,605	$	1,440,357	$	327,541	$	669,712	$	9,603,384
Special mention	15		33,301		200		10,597		3,565		26,148		—		—		73,811
Substandard	4,450		33,557		58,653		17,654		74,835		70,837		15,389		1,101		272,027
Nonaccrual	550		—		628		4,291		13,591		2,680		—		—		21,190
Commercial and industrial	$	5,910	$	1,959,672	$	1,005,407	$	1,718,971	$	2,732,596	$	1,540,022	$	342,931	$	670,813	$	9,970,412
Commercial real estate - owner occupied:
Risk rating:
Pass	$	—	$	10,090	$	94,971	$	195,479	$	180,063	$	230,991	$	129,599	$	207,113	$	1,048,306
Substandard	—		1,082		11,518		18,592		2,332		4,456		6,136		7,874		51,989
Nonaccrual	—		—		291		1,559		—		—		—		—		1,851
Commercial real estate - owner occupied	$	—	$	11,172	$	106,780	$	215,630	$	182,396	$	235,446	$	135,735	$	214,987	$	1,102,146
Commercial and business lending:
Risk rating:
Pass	$	894	$	1,902,904	$	1,040,896	$	1,881,908	$	2,820,669	$	1,671,348	$	457,140	$	876,825	$	10,651,690
Special mention	15		33,301		200		10,597		3,565		26,148		—		—		73,811
Substandard	4,450		34,639		70,171		36,246		77,167		75,293		21,526		8,974		324,016
Nonaccrual	550		—		919		5,850		13,591		2,680		—		—		23,041
Commercial and business lending	$	5,910	$	1,970,844	$	1,112,187	$	1,934,601	$	2,914,992	$	1,775,468	$	478,666	$	885,799	$	11,072,558
Commercial real estate - investor:
Risk rating:
Pass	$	—	$	127,015	$	640,800	$	1,015,192	$	1,267,257	$	838,190	$	384,729	$	479,713	$	4,752,897
Special mention	—		327		—		—		2,480		4,790		—		4,721		12,318
Substandard	—		—		40,381		76,079		36,228		23,571		—		11,669		187,928
Nonaccrual	—		—		18,374		24,115		—		5,760		—		—		48,249
Commercial real estate - investor	$	—	$	127,342	$	699,555	$	1,115,386	$	1,305,965	$	872,312	$	384,729	$	496,103	$	5,001,392
Real estate construction:
Risk rating:
Pass	$	—	$	23,785	$	113,941	$	453,799	$	1,121,881	$	463,239	$	26,048	$	11,480	$	2,214,172
Special mention	—		—		—		—		27,953		—		—		—		27,953
Substandard	—		—		—		—		13,495		—		—		—		13,495
Nonaccrual	—		—		—		—		—		—		—		16		16
Real estate construction	$	—	$	23,785	$	113,941	$	453,799	$	1,163,329	$	463,239	$	26,048	$	11,496	$	2,255,637
Commercial real estate lending:
Risk rating:
Pass	$	—	$	150,800	$	754,741	$	1,468,991	$	2,389,137	$	1,301,429	$	410,777	$	491,193	$	6,967,069
Special mention	—		327		—		—		30,433		4,790		—		4,721		40,271
Substandard	—		—		40,381		76,079		49,724		23,571		—		11,669		201,424
Nonaccrual	—		—		18,374		24,115		—		5,760		—		16		48,265
Commercial real estate lending	$	—	$	151,127	$	813,496	$	1,569,185	$	2,469,294	$	1,335,551	$	410,777	$	507,599	$	7,257,029
Total commercial:
Risk rating:
Pass	$	894	$	2,053,704	$	1,795,638	$	3,350,899	$	5,209,806	$	2,972,777	$	867,918	$	1,368,018	$	17,618,759
Special mention	15		33,628		200		10,597		33,999		30,938		—		4,721		114,082
Substandard	4,450		34,639		110,552		112,324		126,891		98,864		21,526		20,643		525,439
Nonaccrual	550		—		19,293		29,966		13,591		8,440		—		16		71,306
Total commercial	$	5,910	$	2,121,971	$	1,925,683	$	3,503,786	$	5,384,286	$	3,111,019	$	889,443	$	1,393,398	$	18,329,587

					Term Loans Amortized Cost Basis by Origination Year(a)
($ in thousands)	Rev Loans Converted to Term(a)		Rev Loans Amortized Cost Basis		YTD 2024		2023		2022		2021		2020		Prior		Total
Residential mortgage:
Risk rating:
Pass	$	—	$	—	$	59,996	$	442,905	$	1,665,096	$	2,058,192	$	1,366,320	$	2,178,474	$	7,770,983
Special mention	—		—		—		—		—		—		—		287		287
Substandard	—		—		—		458		92		—		—		196		745
Nonaccrual	—		—		982		1,621		10,987		9,853		8,214		36,402		68,058
Residential mortgage	$	—	$	—	$	60,978	$	444,983	$	1,676,175	$	2,068,045	$	1,374,533	$	2,215,359	$	7,840,073
Auto finance:
Risk rating:
Pass	$	—	$	—	$	650,646	$	1,035,480	$	798,751	$	61,750	$	114	$	225	$	2,546,966
Special mention	—		—		101		674		1,072		170		—		—		2,018
Substandard	—		—		—		36		2		—		—		—		39
Nonaccrual	—		—		82		1,767		4,617		519		—		—		6,986
Auto finance	$	—	$	—	$	650,830	$	1,037,958	$	804,442	$	62,440	$	114	$	225	$	2,556,009
Home equity:
Risk rating:
Pass	$	5,512	$	532,317	$	261	$	1,660	$	28,051	$	5,925	$	2,051	$	54,824	$	625,089
Special mention	246		226		—		59		37		75		18		603		1,018
Substandard	—		—		—		8		—		—		—		32		40
Nonaccrual	698		161		30		10		576		174		219		6,827		7,996
Home equity	$	6,456	$	532,704	$	291	$	1,737	$	28,664	$	6,174	$	2,288	$	62,285	$	634,142
Other consumer:
Risk rating:
Pass	$	72	$	186,582	$	6,751	$	4,511	$	2,586	$	1,254	$	679	$	53,504	$	255,867
Special mention	4		726		—		—		11		14		1		4		757
Substandard	—		1,759		—		—		—		—		—		—		1,759
Nonaccrual	5		49		—		8		7		4		—		9		77
Other consumer	$	81	$	189,115	$	6,751	$	4,519	$	2,605	$	1,272	$	681	$	53,518	$	258,460
Total consumer:
Risk rating:
Pass	$	5,584	$	718,898	$	717,655	$	1,484,555	$	2,494,485	$	2,127,121	$	1,369,163	$	2,287,027	$	11,198,905
Special mention	250		952		101		734		1,120		259		20		893		4,080
Substandard	—		1,759		—		502		94		—		—		228		2,583
Nonaccrual	704		209		1,094		3,406		16,186		10,550		8,433		43,238		83,117
Total consumer	$	6,537	$	721,819	$	718,850	$	1,489,197	$	2,511,886	$	2,137,930	$	1,377,616	$	2,331,386	$	11,288,684
Total loans:
Risk rating:
Pass	$	6,478	$	2,772,602	$	2,513,293	$	4,835,454	$	7,704,291	$	5,099,898	$	2,237,081	$	3,655,045	$	28,817,664
Special mention	265		34,580		301		11,331		35,119		31,197		20		5,614		118,162
Substandard	4,450		36,398		110,552		112,826		126,985		98,864		21,526		20,871		528,022
Nonaccrual	1,254		209		20,387		33,372		29,777		18,990		8,433		43,255		154,423
Total loans	$	12,447	$	2,843,790	$	2,644,533	$	4,992,983	$	7,896,172	$	5,248,950	$	2,267,059	$	3,724,785	$	29,618,271

(a) Revolving loans converted to term loans are those converted during the reporting period and are also reported in their year of origination.

The following table presents loans by credit quality indicator by origination year at December 31, 2023:

					Term Loans Amortized Cost Basis by Origination Year(a)
($ in thousands)	Rev Loans Converted to Term(a)		Rev Loans Amortized Cost Basis		2023		2022		2021		2020		2019		Prior		Total
Commercial and industrial:
Risk rating:
Pass	$	1,380	$	1,693,249	$	1,736,617	$	2,877,173	$	1,824,362	$	398,046	$	383,695	$	449,006	$	9,362,149
Special mention	—		21,779		4,017		46,610		8,525		3,529		—		25,341		109,801
Substandard	804		81,924		10,515		39,748		47,279		17,732		94		291		197,582
Nonaccrual	6,414		—		13,317		14,188		33,891		627		—		—		62,022
Commercial and industrial	$	8,598	$	1,796,951	$	1,764,466	$	2,977,719	$	1,914,057	$	419,934	$	383,789	$	474,638	$	9,731,555
Commercial real estate - owner occupied:
Risk rating:
Pass	$	—	$	15,393	$	204,039	$	188,003	$	239,218	$	136,535	$	135,730	$	92,339	$	1,011,259
Special mention	—		271		—		—		6,150		2,635		—		1,293		10,349
Substandard	—		292		14,735		2,791		6,416		8,537		3,086		2,841		38,699
Nonaccrual	—		—		1,394		—		—		—		—		—		1,394
Commercial real estate - owner occupied	$	—	$	15,957	$	220,168	$	190,794	$	251,783	$	147,708	$	138,816	$	96,473	$	1,061,700
Commercial and business lending:
Risk rating:
Pass	$	1,380	$	1,708,642	$	1,940,657	$	3,065,177	$	2,063,580	$	534,581	$	519,426	$	541,345	$	10,373,408
Special mention	—		22,050		4,017		46,610		14,675		6,164		—		26,634		120,150
Substandard	804		82,216		25,250		42,539		53,695		26,269		3,180		3,132		236,281
Nonaccrual	6,414		—		14,710		14,188		33,891		627		—		—		63,416
Commercial and business lending	$	8,598	$	1,812,909	$	1,984,635	$	3,168,514	$	2,165,840	$	567,642	$	522,606	$	571,111	$	10,793,255
Commercial real estate - investor:
Risk rating:
Pass	$	—	$	155,109	$	1,263,866	$	1,247,434	$	1,080,425	$	471,371	$	358,996	$	239,230	$	4,816,433
Special mention	—		502		4,248		25,474		26,208		—		29,772		6,014		92,218
Substandard	—		—		106,002		69,584		15,000		983		—		24,025		215,595
Commercial real estate - investor	$	—	$	155,611	$	1,374,116	$	1,342,492	$	1,121,633	$	472,355	$	388,768	$	269,269	$	5,124,245
Real estate construction:
Risk rating:
Pass	$	—	$	23,307	$	422,277	$	1,176,608	$	547,825	$	87,680	$	5,740	$	7,954	$	2,271,392
Nonaccrual	—		—		—		—		—		—		—		6		6
Real estate construction	$	—	$	23,307	$	422,277	$	1,176,608	$	547,825	$	87,680	$	5,740	$	7,960	$	2,271,398
Commercial real estate lending:
Risk rating:
Pass	$	—	$	178,416	$	1,686,143	$	2,424,042	$	1,628,250	$	559,052	$	364,737	$	247,184	$	7,087,824
Special mention	—		502		4,248		25,474		26,208		—		29,772		6,014		92,218
Substandard	—		—		106,002		69,584		15,000		983		—		24,025		215,595
Nonaccrual	—		—		—		—		—		—		—		6		6
Commercial real estate lending	$	—	$	178,918	$	1,796,393	$	2,519,100	$	1,669,458	$	560,035	$	394,508	$	277,230	$	7,395,644

					Term Loans Amortized Cost Basis by Origination Year(a)
($ in thousands)	Rev Loans Converted to Term(a)		Rev Loans Amortized Cost Basis		2023		2022		2021		2020		2019		Prior		Total
Total commercial:
Risk rating:
Pass	$	1,380	$	1,887,058	$	3,626,800	$	5,489,219	$	3,691,830	$	1,093,633	$	884,162	$	788,529	$	17,461,232
Special mention	—		22,552		8,265		72,084		40,882		6,164		29,772		32,648		212,368
Substandard	804		82,216		131,253		112,123		68,695		27,253		3,180		27,157		451,876
Nonaccrual	6,414		—		14,710		14,188		33,891		627		—		6		63,422
Total commercial	$	8,598	$	1,991,827	$	3,781,028	$	5,687,614	$	3,835,298	$	1,127,677	$	917,114	$	848,341	$	18,188,898
Residential mortgage:
Risk rating:
Pass	$	—	$	—	$	352,321	$	1,617,409	$	2,110,577	$	1,414,186	$	647,778	$	1,650,542	$	7,792,813
Special mention	—		—		—		—		—		—		95		57		152
Substandard	—		—		490		93		—		—		174		26		784
Nonaccrual	—		—		1,425		9,567		9,259		10,397		6,628		33,865		71,142
Residential mortgage	$	—	$	—	$	354,236	$	1,627,070	$	2,119,836	$	1,424,583	$	654,675	$	1,684,490	$	7,864,891
Auto finance:
Risk rating:
Pass	$	—	$	—	$	1,218,820	$	952,839	$	75,209	$	163	$	456	$	132	$	2,247,618
Special mention	—		—		619		1,850		205		—		—		—		2,674
Substandard	—		—		—		73		—		—		—		—		73
Nonaccrual	—		—		1,032		4,332		430		—		3		—		5,797
Auto finance	$	—	$	—	$	1,220,471	$	959,094	$	75,844	$	163	$	458	$	132	$	2,256,162
Home equity:
Risk rating:
Pass	$	8,703	$	521,000	$	1,678	$	29,863	$	6,084	$	2,327	$	4,891	$	53,350	$	619,192
Special mention	179		200		—		87		—		29		15		378		708
Substandard	10		75		10		—		—		—		33		—		118
Nonaccrual	1,302		160		29		495		132		144		368		7,180		8,508
Home equity	$	10,195	$	521,434	$	1,717	$	30,445	$	6,217	$	2,500	$	5,308	$	60,907	$	628,526
Other consumer:
Risk rating:
Pass	$	121	$	196,632	$	6,419	$	3,732	$	2,658	$	1,127	$	460	$	64,121	$	275,149
Special mention	26		843		9		—		3		20		—		6		881
Substandard	—		1,582		—		—		—		—		—		—		1,582
Nonaccrual	27		71		10		1		6		2		8		29		128
Other consumer	$	174	$	199,129	$	6,438	$	3,733	$	2,668	$	1,149	$	468	$	64,156	$	277,740
Total consumer:
Risk rating:
Pass	$	8,824	$	717,632	$	1,579,238	$	2,603,843	$	2,194,529	$	1,417,802	$	653,584	$	1,768,145	$	10,934,773
Special mention	205		1,043		628		1,936		208		49		110		441		4,416
Substandard	10		1,656		500		166		—		—		207		26		2,556
Nonaccrual	1,330		231		2,496		14,396		9,827		10,544		7,007		41,073		85,574
Total consumer	$	10,369	$	720,563	$	1,582,862	$	2,620,341	$	2,204,564	$	1,428,395	$	660,909	$	1,809,685	$	11,027,319
Total loans:
Risk rating:
Pass	$	10,204	$	2,604,690	$	5,206,038	$	8,093,062	$	5,886,359	$	2,511,435	$	1,537,747	$	2,556,674	$	28,396,005
Special mention	205		23,595		8,893		74,020		41,091		6,213		29,882		33,089		216,784
Substandard	814		83,872		131,753		112,289		68,695		27,253		3,387		27,183		454,432
Nonaccrual	7,744		231		17,206		28,584		43,718		11,170		7,007		41,080		148,997
Total loans	$	18,966	$	2,712,389	$	5,363,890	$	8,307,956	$	6,039,862	$	2,556,071	$	1,578,023	$	2,658,026	$	29,216,218

(a) Revolving loans converted to term loans are those converted during the reporting period and are also reported in their year of origination.

The following table presents gross charge offs by origination year for the six months ended June 30, 2024:

			Gross Charge Offs by Origination Year
($ in thousands)	Rev Loans Amortized Cost Basis		2024		2023		2022		2021		2020		Prior		Total
Commercial and industrial	$	1,930	$	128	$	8,172	$	553	$	22,921	$	3	$	—	$	33,708
Commercial real estate-owner occupied	—		—		—		—		—		—		3		3
Commercial and business lending	1,930		128		8,172		553		22,921		3		3		33,710
Commercial real estate-investor	—		—		—		—		4,569		—		—		4,569
Commercial real estate lending	—		—		—		—		4,569		—		—		4,569
Total commercial	1,930		128		8,172		553		27,490		3		3		38,279
Residential mortgage	—		—		58		60		7		32		267		423
Auto finance	—		53		1,549		3,100		294		—		—		4,996
Home equity	93		—		—		9		—		8		37		147
Other consumer	3,281		3		41		44		28		38		29		3,463
Total consumer	3,374		56		1,648		3,213		329		78		332		9,029
Total gross charge offs	$	5,304	$	184	$	9,820	$	3,766	$	27,819	$	81	$	335	$	47,308

The following table presents gross charge offs by origination year for the year ended December 31, 2023:

			Gross Charge Offs by Origination Year
($ in thousands)	Rev Loans Amortized Cost Basis		2023		2022		2021		2020		2019		Prior		Total
Commercial and industrial	$	4,130	$	717	$	9,594	$	25,270	$	5,958	$	—	$	18	$	45,687
Commercial real estate-owner occupied	—		—		—		—		—		25		—		25
Commercial and business lending	4,130		717		9,594		25,270		5,958		25		18		45,713
Commercial real estate-investor	—		—		—		—		—		—		252		252
Real estate construction	—		—		—		—		—		—		25		25
Commercial real estate lending	—		—		—		—		—		—		277		277
Total commercial	4,130		717		9,594		25,270		5,958		25		295		45,989
Residential mortgage	—		2		32		42		148		5		723		952
Auto finance	—		795		4,524		626		—		5		—		5,950
Home equity	53		21		3		31		—		22		294		424
Other consumer	4,884		—		72		124		131		72		170		5,453
Total consumer	4,937		818		4,630		823		279		105		1,187		12,779
Total gross charge offs	$	9,068	$	1,535	$	14,224	$	26,093	$	6,237	$	130	$	1,482	$	58,768

Factors that are important to managing overall credit quality are sound loan underwriting and administration, systematic monitoring of existing loans and commitments, effective loan review on an ongoing basis, early identification of potential problems, and appropriate policies for ACLL, nonaccrual loans, and charge offs.

For commercial loans, management has determined the pass credit quality indicator to include credits exhibiting acceptable financial statements, cash flow, and leverage. If any risk exists, it is mitigated by the loan structure, collateral, monitoring, or control. For consumer loans, performing loans include credits performing in accordance with the original contractual terms.

Loans are considered past due if the required principal and interest payments have not been received as of the date such payments were due. Special mention credits have potential weaknesses that warrant specific attention from management. If left uncorrected, these potential weaknesses may result in deterioration of the repayment prospects for the credit. Accruing loan modifications could be pass or special mention, depending on the risk rating on the loan. Substandard loans are considered inadequately protected by the current net worth and paying capacity of the obligor or the collateral pledged. These loans generally have a well-defined weakness, or weaknesses, which may jeopardize liquidation of the debt, and are characterized by the distinct possibility the Corporation will sustain some loss if the deficiencies are not corrected. Management has determined commercial loan relationships in nonaccrual status, and commercial and consumer loan relationships with their terms restructured in a loan modification, meet the criteria to be individually evaluated. Commercial loans classified as special mention, substandard, and nonaccrual are reviewed at a minimum on a quarterly basis, while pass credits, which are performing rated credits, are generally reviewed on an annual basis or more frequently if the loan renewal is less than one year or if otherwise warranted.

The recorded investment of consumer loans secured by residential real estate properties for which foreclosure proceedings are in process totaled $20 million at June 30, 2024 and $16 million at December 31, 2023.

The following table presents loans by past due status at June 30, 2024:

	Accruing
($ in thousands)	Current		30-59 Days Past Due		60-89 Days Past Due		90+ Days Past Due		Nonaccrual(a)(b)		Total
Commercial and industrial	$	9,946,786	$	1,830	$	222	$	384	$	21,190	$	9,970,412
Commercial real estate - owner occupied	1,100,295		—		—		—		1,851		1,102,146
Commercial and business lending	11,047,081		1,830		222		384		23,041		11,072,558
Commercial real estate - investor	4,952,120		1,023		—		—		48,249		5,001,392
Real estate construction	2,255,621		—		—		—		16		2,255,637
Commercial real estate lending	7,207,741		1,023		—		—		48,265		7,257,029
Total commercial	18,254,821		2,853		222		384		71,306		18,329,587
Residential mortgage	7,761,641		10,087		287		—		68,058		7,840,073
Auto finance	2,533,170		13,796		2,018		39		6,986		2,556,009
Home equity	622,452		2,677		1,018		—		7,996		634,142
Other consumer	254,457		1,175		820		1,931		77		258,460
Total consumer	11,171,720		27,735		4,143		1,970		83,117		11,288,684
Total loans	$	29,426,541	$	30,587	$	4,365	$	2,354	$	154,423	$	29,618,271

(a) Of the total nonaccrual loans, $63 million, or 41%, were current with respect to payment at June 30, 2024.

(b) No interest income was recognized on nonaccrual loans for the three and six months ended June 30, 2024. In addition, there were $13 million of nonaccrual loans for which there was no related ACLL at June 30, 2024.

The following table presents loans by past due status at December 31, 2023:

	Accruing
($ in thousands)	Current		30-59 Days Past Due		60-89 Days Past Due		90+ Days  Past Due		Nonaccrual(a)(b)		Total
Commercial and industrial	$	9,663,587	$	5,374	$	191	$	380	$	62,022	$	9,731,555
Commercial real estate - owner occupied	1,059,948		—		358		—		1,394		1,061,700
Commercial and business lending	10,723,536		5,374		549		380		63,416		10,793,255
Commercial real estate - investor	5,086,117		—		18,697		19,432		—		5,124,245
Real estate construction	2,271,392		—		—		—		6		2,271,398
Commercial real estate lending	7,357,509		—		18,697		19,432		6		7,395,644
Total commercial	18,081,044		5,374		19,246		19,812		63,422		18,188,898
Residential mortgage	7,780,304		13,294		152		—		71,142		7,864,891
Auto finance	2,232,906		14,712		2,674		73		5,797		2,256,162
Home equity	615,810		3,500		708		—		8,508		628,526
Other consumer	273,644		1,233		932		1,803		128		277,740
Total consumer	10,902,664		32,739		4,467		1,876		85,574		11,027,319
Total loans	$	28,983,708	$	38,113	$	23,712	$	21,689	$	148,997	$	29,216,218

(a) Of the total nonaccrual loans, $80 million, or 53%, were current with respect to payment at December 31, 2023.

(b) No interest income was recognized on nonaccrual loans for the year ended December 31, 2023. In addition, there were $23 million of nonaccrual loans for which there was no related ACLL at December 31, 2023.

Loan Modifications

The following tables show the composition of loan modifications made to borrowers experiencing financial difficulty by the loan portfolio and type of concessions granted during the three and six months ended June 30, 2024 and June 30, 2023. Each of the types of concessions granted comprised less than 1% of their respective classes of loan portfolios at June 30, 2024.

	Interest Rate Concession
	Amortized Cost
	Three Months Ended Jun 30,				Six Months Ended Jun 30,
($ in thousands)	2024		2023		2024		2023
Commercial and industrial	$	161	$	122	$	298	$	168
Auto	139		21		144		80
Home equity	—		47		—		78
Other consumer	631		489		1,110		988
Total loans modified	$	930	$	679	$	1,552	$	1,314

	Term Extension
	Amortized Cost
	Three Months Ended Jun 30,				Six Months Ended Jun 30,
($ in thousands)	2024		2023		2024		2023
Residential mortgage	$	—	$	—	$	—	$	208
Home equity	—		27		—		27
Total loans modified	$	—	$	27	$	—	$	235

	Combination - Interest Rate Concession and Term Extension
	Amortized Cost
	Three Months Ended Jun 30,				Six Months Ended Jun 30,
($ in thousands)	2024		2023		2024		2023
Residential mortgage	$	—	$	356	$	641	$	519
Home equity	—		77		30		168
Total loans modified	$	—	$	432	$	670	$	687

The following tables summarize, by loan portfolio, the financial effect of the Corporation's loan modifications on the modified loans as of June 30, 2024 and June 30, 2023:

	Interest Rate Concession
	Financial Effect, Weighted Average Contractual Interest Rate (Decrease) Increase(a)
	Three Months Ended Jun 30,				Six Months Ended Jun 30,
Loan Type	2024		2023		2024		2023
Commercial and industrial	(19)	%	(18)	%	(17)	%	(17)	%
Residential mortgage	—	%	2	%	3	%	2	%
Auto	(8)	%	(9)	%	(8)	%	(4)	%
Home equity	—	%	2	%	(3)	%	—	%
Other consumer	(22)	%	(21)	%	(22)	%	(20)	%
Weighted average of total loans modified	(18)	%	(11)	%	(13)	%	(11)	%

(a) Due to market conditions, some interest rate concessions on floating rate loans may involve an increase in rate that was lower in comparison to the rate of increase for floating rate loans not modified.

	Term Extension
	Financial Effect, Weighted Average Term Increase(a)
	Three Months Ended Jun 30,		Six Months Ended Jun 30,
Loan Type	2024	2023	2024	2023
Residential mortgage	0 months	29 months	158 months	50 months
Home equity	0 months	113 months	64 months	110 months
Weighted average of total loans modified	0 months	48 months	153 months	63 months

(a) During the three months ended June 30, 2024, there were no term extensions. During the three months ended June 30, 2023, term extensions changed the weighted average term on modified loans from 204 to 252 months. During the six months ended June 30, 2024 and June 30, 2023, term extensions changed the weighted average term on modified loans from 254 to 407 months and 223 to 285 months, respectively.

The Corporation closely monitors the performance of loans that are modified to borrowers experiencing financial difficulty to understand the effectiveness of its modification efforts. The following table depicts the performance of loans that have been modified in the twelve months ended June 30, 2024:

	Payment Status (Amortized Cost Basis)
($ in thousands)	Current		30-89 Days Past Due		90+ Days Past Due
Commercial and industrial	$	410	$	—	$	—
Residential mortgage	902		24		55
Auto	107		41		—
Home equity	139		—		—
Other consumer	1,615		—		—
Total loans modified	$	3,173	$	65	$	55

The following table depicts the performance of loans that have been modified in the six months ended June 30, 2023:

	Payment Status (Amortized Cost Basis)
($ in thousands)	Current		30-89 Days Past Due		90+ Days Past Due
Commercial and industrial	$	168	$	—	$	—
Residential mortgage	519		208		—
Auto	80		—		—
Home equity	264		—		9
Other consumer	988		—		—
Total loans modified	$	2,019	$	208	$	9

The following table provides the amortized cost of loan modifications by loan portfolio and type of concession that were modified in the previous twelve months and subsequently had a payment default during the six months ended June 30, 2024:

	Amortized Cost of Loan Modifications that Subsequently Defaulted
($ in thousands)	Interest Rate Concession		Term Extension		Combination Interest Rate Reduction and Term Extension
Auto	$	6	$	—	$	—
Total loans modified	$	6	$	—	$	—

The following table provides the amortized cost of loan modifications by loan portfolio and type of concession that were modified in the previous six months and subsequently had a payment default during the six months ended June 30, 2023:

	Amortized Cost of Loan Modifications that Subsequently Defaulted
($ in thousands)	Interest Rate Concession		Term Extension		Combination Interest Rate Reduction and Term Extension
Residential mortgage	$	—	$	201	$	128
Home equity	—		—		60
Total loans modified	$	—	$	201	$	187

The nature and extent of the impairment of modified loans, including those which have experienced a subsequent payment default, are considered in the determination of an appropriate level of the ACLL.

Allowance for Credit Losses on Loans

The ACLL is comprised of the allowance for loan losses and the allowance for unfunded commitments. The level of the ACLL represents management’s estimate of an amount appropriate to provide for expected lifetime credit losses in the loan portfolio at the balance sheet date. The expected lifetime credit losses are the product of multiplying the Corporation's estimates of probability of default, loss given default, and the individual loan level exposure at default on an undiscounted basis. A main factor in the determination of the ACLL is the economic forecast. The forecast the Corporation used for June 30, 2024 was the Moody's baseline scenario from May 2024, which was reviewed against the June 2024 baseline scenario with no material updates made, over a two year reasonable and supportable period with straight-line reversion to the historical losses over the second year of the period. The allowance for unfunded commitments is maintained at a level believed by management to be sufficient to absorb expected lifetime losses related to unfunded credit facilities (including unfunded loan commitments and letters of credit). See Note 11 for additional information on the change in the allowance for unfunded commitments.

The following table presents a summary of the changes in the ACLL by portfolio segment for the six months ended June 30, 2024:

($ in thousands)	Dec 31, 2023		Charge offs		Recoveries		Net Charge offs		Provision for credit losses		Jun 30, 2024		ACLL / Loans
Allowance for loan losses
Commercial and industrial	$	128,263	$	(33,708)	$	1,394	$	(32,314)	$	29,942	$	125,891
Commercial real estate — owner occupied	10,610		(3)		6		4		463		11,077
Commercial and business lending	138,873		(33,710)		1,400		(32,310)		30,405		136,968
Commercial real estate — investor	67,858		(4,569)		—		(4,569)		8,274		71,563
Real estate construction	53,554		—		58		58		2,285		55,897
Commercial real estate lending	121,412		(4,569)		58		(4,511)		10,559		127,459
Total commercial	260,285		(38,279)		1,458		(36,821)		40,963		264,427
Residential mortgage	37,808		(423)		72		(351)		(2,915)		34,542
Auto finance	24,961		(4,996)		1,422		(3,574)		6,383		27,770
Home equity	15,403		(147)		596		449		240		16,092
Other consumer	12,638		(3,463)		509		(2,954)		3,329		13,013
Total consumer	90,809		(9,029)		2,600		(6,429)		7,037		91,417
Total loans	$	351,094	$	(47,308)	$	4,058	$	(43,251)	$	48,000	$	355,844
Allowance for unfunded commitments
Commercial and industrial	$	13,319	$	—	$	—	$	—	$	(182)	$	13,137
Commercial real estate — owner occupied	149		—		—		—		20		169
Commercial and business lending	13,468		—		—		—		(162)		13,306
Commercial real estate — investor	480		—		—		—		113		593
Real estate construction	17,024		—		—		—		(1,241)		15,783
Commercial real estate lending	17,504		—		—		—		(1,128)		16,376
Total commercial	30,972		—		—		—		(1,290)		29,682
Home equity	2,629		—		—		—		(146)		2,483
Other consumer	1,174		—		—		—		436		1,610
Total consumer	3,803		—		—		—		290		4,093
Total loans	$	34,776	$	—	$	—	$	—	$	(1,000)	$	33,776
Allowance for credit losses on loans
Commercial and industrial	$	141,582	$	(33,708)	$	1,394	$	(32,314)	$	29,760	$	139,028	1.39	%
Commercial real estate — owner occupied	10,759		(3)		6		4		483		11,246		1.02	%
Commercial and business lending	152,341		(33,710)		1,400		(32,310)		30,243		150,274		1.36	%
Commercial real estate — investor	68,338		(4,569)		—		(4,569)		8,387		72,156		1.44	%
Real estate construction	70,578		—		58		58		1,043		71,680		3.18	%
Commercial real estate lending	138,916		(4,569)		58		(4,511)		9,430		143,835		1.98	%
Total commercial	291,257		(38,279)		1,458		(36,821)		39,673		294,109		1.60	%
Residential mortgage	37,808		(423)		72		(351)		(2,915)		34,542		0.44	%
Auto finance	24,961		(4,996)		1,422		(3,574)		6,383		27,770		1.09	%
Home equity	18,032		(147)		596		449		93		18,575		2.93	%
Other consumer	13,812		(3,463)		509		(2,954)		3,765		14,623		5.66	%
Total consumer	94,613		(9,029)		2,600		(6,429)		7,327		95,510		0.85	%
Total loans	$	385,870	$	(47,308)	$	4,058	$	(43,251)	$	47,000	$	389,620	1.32	%

The following table presents a summary of the changes in the ACLL by portfolio segment for the year ended December 31, 2023:

($ in thousands)	Dec 31, 2022		Charge offs		Recoveries		Net Charge offs		Provision for credit losses		Dec 31, 2023		ACLL / Loans
Allowance for loan losses
Commercial and industrial	$	119,076	$	(45,687)	$	3,015	$	(42,672)	$	51,859	$	128,263
Commercial real estate — owner occupied	9,475		(25)		11		(15)		1,150		10,610
Commercial and business lending	128,551		(45,713)		3,026		(42,687)		53,009		138,873
Commercial real estate — investor	54,398		(252)		3,016		2,763		10,697		67,858
Real estate construction	45,589		(25)		80		55		7,910		53,554
Commercial real estate lending	99,986		(277)		3,095		2,819		18,607		121,412
Total commercial	228,538		(45,989)		6,121		(39,868)		71,616		260,285
Residential mortgage	38,298		(952)		541		(411)		(79)		37,808
Auto finance	19,619		(5,950)		1,241		(4,709)		10,051		24,961
Home equity	14,875		(424)		1,262		837		(310)		15,403
Other consumer	11,390		(5,453)		978		(4,475)		5,723		12,638
Total consumer	84,182		(12,779)		4,021		(8,758)		15,384		90,809
Total loans	$	312,720	$	(58,768)	$	10,142	$	(48,626)	$	87,000	$	351,094
Allowance for unfunded commitments
Commercial and industrial	$	12,997	$	—	$	—	$	—	$	321	$	13,319
Commercial real estate — owner occupied	103		—		—		—		46		149
Commercial and business lending	13,101		—		—		—		367		13,468
Commercial real estate — investor	710		—		—		—		(230)		480
Real estate construction	20,583		—		—		—		(3,558)		17,024
Commercial real estate lending	21,292		—		—		—		(3,788)		17,504
Total commercial	34,393		—		—		—		(3,421)		30,972
Home equity	2,699		—		—		—		(70)		2,629
Other consumer	1,683		—		—		—		(509)		1,174
Total consumer	4,382		—		—		—		(579)		3,803
Total loans	$	38,776	$	—	$	—	$	—	$	(4,000)	$	34,776
Allowance for credit losses on loans
Commercial and industrial	$	132,073	$	(45,687)	$	3,015	$	(42,672)	$	52,181	$	141,582	1.45	%
Commercial real estate — owner occupied	9,579		(25)		11		(15)		1,195		10,759		1.01	%
Commercial and business lending	141,652		(45,713)		3,026		(42,687)		53,376		152,341		1.41	%
Commercial real estate — investor	55,108		(252)		3,016		2,763		10,467		68,338		1.33	%
Real estate construction	66,171		(25)		80		55		4,351		70,578		3.11	%
Commercial real estate lending	121,279		(277)		3,095		2,819		14,819		138,916		1.88	%
Total commercial	262,931		(45,989)		6,121		(39,868)		68,195		291,257		1.60	%
Residential mortgage	38,298		(952)		541		(411)		(79)		37,808		0.48	%
Auto finance	19,619		(5,950)		1,241		(4,709)		10,051		24,961		1.11	%
Home equity	17,574		(424)		1,262		837		(380)		18,032		2.87	%
Other consumer	13,073		(5,453)		978		(4,475)		5,214		13,812		4.97	%
Total consumer	88,565		(12,779)		4,021		(8,758)		14,805		94,613		0.86	%
Total loans	$	351,496	$	(58,768)	$	10,142	$	(48,626)	$	83,000	$	385,870	1.32	%

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Goodwill and Other Intangible Assets

6 Months Ended

Jun. 30, 2024

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Other Intangible Assets

Goodwill and Other Intangible Assets

Goodwill

Goodwill is not amortized but is instead subject to impairment tests on at least an annual basis, and more frequently if an event occurs or circumstances change that would more likely than not reduce the fair value of a reporting unit below its carrying amount.

The Corporation conducted its most recent annual impairment testing in May 2024, utilizing a qualitative assessment. Factors that management considered in this assessment included macroeconomic conditions, industry and market considerations, overall financial performance of the Corporation and each reporting unit (both current and projected), changes in management strategy, and changes in the composition or carrying amount of net assets. In addition, management considered the changes in both the Corporation's common stock price and in the KBW Nasdaq Regional Banking Index (KRX), as well as the Corporation's earnings per common share trend over the past year. Based on these assessments, management concluded that it is

more likely than not that the estimated fair value exceeded the carrying value (including goodwill) for each reporting unit. Therefore, a step one quantitative analysis was not required. There have been no events since the May 2024 impairment test that have changed the Corporation's impairment assessment conclusion. There were no impairment charges recorded in 2023 or the first six months of 2024.

The Corporation had goodwill of $1.1 billion at both June 30, 2024 and December 31, 2023.

Core Deposit Intangibles

The Corporation has CDIs which are amortized. Changes in the gross carrying amount, accumulated amortization, and net book value for CDIs were as follows:

($ in thousands)	Six Months Ended Jun 30, 2024		Year Ended Dec 31, 2023
Core deposit intangibles
Gross carrying amount at the beginning of period	$	88,109	$	88,109
Accumulated amortization	(52,044)		(47,638)
Net book value	$	36,066	$	40,471
Amortization during the period	$	4,405	$	8,811

Mortgage Servicing Rights

The Corporation sells residential mortgage loans in the secondary market and typically retains the right to service the loans sold. MSRs are not traded in active markets. As a result, a cash flow model is used to determine fair value. Key assumptions and estimates, including projected prepayment speeds, assumed servicing costs, ancillary income, costs to service delinquent loans, costs of foreclosure, and discount rates with option-adjusted spreads, are used in measuring the fair value of the MSRs asset. These assumptions are considered significant unobservable inputs. See Note 11 for a discussion of the recourse provisions on sold residential mortgage loans. See Note 12 which further discusses fair value measurement relative to the MSRs asset.

A summary of changes in the balance of the MSRs asset under the fair value measurement method for the six months ended June 30, 2024 and the year ended December 31, 2023 is as follows:

($ in thousands)	Six Months Ended Jun 30, 2024			Year Ended Dec 31, 2023
Mortgage servicing rights
Mortgage servicing rights at beginning of period	$	84,390		$	77,351
Additions	2,490			3,564
Paydowns	(3,808)			(7,185)
Valuation:
Change in fair value model assumptions	—			8,881
Changes in fair value of asset	2,567			1,778
Mortgage servicing rights at end of period	$	85,640		$	84,390
Portfolio of residential mortgage loans serviced for others (“servicing portfolio”)(a)	$	6,306,865		$	7,364,492
Mortgage servicing rights to servicing portfolio(a)	1.36		%	1.15		%

(a) During the fourth quarter of 2023, the Corporation transferred $969 million of residential mortgages into held for sale and subsequently sold them for $844 million. After sale, the servicing was retained for a short period until full servicing was transferred to the purchaser in January 2024.

The projections of amortization expense for CDIs and decay for MSRs are based on existing asset balances, the current interest rate environment, and prepayment speeds as of June 30, 2024. The actual expense the Corporation recognizes in any given period may be significantly different depending upon acquisition or sale activities, changes in interest rates, prepayment speeds, market conditions, regulatory requirements, and events or circumstances that indicate the carrying amount of an asset may not be recoverable. The following table shows the estimated future amortization expense for CDIs and decay for MSRs:

($ in thousands)	Core Deposit Intangibles		Mortgage Servicing Rights
Six months ended December 31, 2024	$	4,405	$	4,853
2025	8,811		11,623
2026	8,811		11,487
2027	8,811		10,786
2028	3,485		9,750
2029	1,681		8,633
Beyond 2029	61		28,508
Total estimated amortization expense and MSRs decay	$	36,066	$	85,640

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Short and Long-Term Funding

6 Months Ended

Jun. 30, 2024

Debt Disclosure [Abstract]

Short and Long-Term Funding

Short and Long-Term Funding

The following table presents the components of short-term funding (funding with original contractual maturities of one year or less), and long-term funding (funding with original contractual maturities greater than one year):

($ in thousands)	Jun 30, 2024		Dec 31, 2023
Short-term funding
Federal funds purchased	$	270,015	$	220,160
Securities sold under agreements to repurchase	89,524		106,620
Federal funds purchased and securities sold under agreements to repurchase	359,539		326,780
BTFP funding	500,000		—
Total short-term funding	$	859,539	$	326,780
Long-term funding
Corporation subordinated notes, at par	$	550,000	$	550,000
Discount and capitalized costs	(7,189)		(7,748)
Subordinated debt fair value hedge(a)	(7,037)		(1,366)
Finance leases	339		383
Total long-term funding	$	536,113	$	541,269
Total short and long-term funding, excluding FHLB advances	$	1,395,652	$	868,049
FHLB advances
Short-term FHLB advances	$	1,475,000	$	740,000
Long-term FHLB advances	1,211,867		1,209,907
FHLB advances fair value hedge(a)	(13,820)		(9,713)
Total FHLB advances	$	2,673,046	$	1,940,194
Total short and long-term funding	$	4,068,699	$	2,808,243

(a) For additional information on the fair value hedges, see Note 9.

Securities Sold Under Agreements to Repurchase

The Corporation enters into agreements under which it sells securities subject to an obligation to repurchase the same or similar securities. Under these arrangements, the Corporation may transfer legal control over the assets but still retain effective control through an agreement that both entitles and obligates the Corporation to repurchase the assets. The obligation to repurchase the securities is reflected as a liability on the Corporation’s consolidated balance sheets, while the securities underlying the repurchase agreements remain in the respective investment securities asset accounts (i.e., there is no offsetting or netting of the investment securities assets with the repurchase agreement liabilities).

The Corporation utilizes repurchase agreements to facilitate the needs of its customers. The fair value of securities pledged to secure repurchase agreements may decline. At June 30, 2024, the Corporation had pledged securities valued at 189% of the gross outstanding balance of repurchase agreements to manage this risk.

The remaining contractual maturity of the securities sold under agreements to repurchase on the consolidated balance sheets as of June 30, 2024 and December 31, 2023 are presented in the following table:

	Overnight and Continuous
($ in thousands)	Jun 30, 2024		Dec 31, 2023
Repurchase agreements
Agency mortgage-related securities	$	89,524	$	106,620

Long-Term Funding

Subordinated Notes 

In November 2014, the Corporation issued $250 million of 10-year subordinated notes, due January 2025, and callable October 2024. The subordinated notes have a fixed coupon interest rate of 4.25% and were issued at a discount.

In February 2023, the Corporation issued $300 million of 10-year subordinated notes, due March 1, 2033 and redeemable (i) on the reset date of March 1, 2028 and any interest payment date thereafter, (ii) at any time on or after the three month period prior to the maturity date, and (iii) upon the occurrence of a Regulatory Capital Treatment Event (as defined in the Global Note). The subordinated notes have a fixed coupon interest rate of 6.625% until the reset date, after which the rate will be equal to the Five-Year U.S. Treasury Rate as of the reset date plus 2.812% per annum. The notes were issued at a discount.

Finance Leases

Finance leases are used in conjunction with branch operations. See Note 16 for additional disclosure regarding the Corporation’s leases.

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Derivative and Hedging Activities

6 Months Ended

Jun. 30, 2024

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Derivative and Hedging Activities

Derivative and Hedging Activities

The Corporation enters into derivative financial instruments to manage exposures that arise from business activities that result in the payment of future known and uncertain cash amounts, the value of which are determined by interest and currency rates as well as other economic conditions.

At inception, the Corporation designates the derivative contract as either a fair value hedge (i.e., a hedge of the fair value of a recognized asset or liability), a cash flow hedge (i.e., a hedge of the variability of cash flows to be received or paid related to a recognized asset or liability), or a non-designated hedge. The hedge accounting methodologies applied for fair value, cash flow, and non-designated hedges are described in the Derivative and Hedging Activities note in the Corporation's 2023 Annual Report on Form 10-K.

The contract or notional amount of a derivative is used to determine, along with the other terms of the derivative, the amounts to be exchanged between the counterparties. The Corporation is exposed to credit risk in the event of nonperformance by counterparties to financial instruments. To mitigate the counterparty risk, contracts generally contain language outlining collateral pledging requirements for each counterparty. For non-centrally cleared derivatives, collateral must be posted when the market value exceeds certain mutually agreed upon threshold limits. Securities and cash are often pledged as collateral. The Corporation pledged $86 million and $93 million of investment securities as collateral at June 30, 2024, and December 31, 2023, respectively. Cash is often pledged as collateral for derivatives that are not centrally cleared. The Corporation's required cash collateral was $2 million at June 30, 2024, compared to $5 million at December 31, 2023. For fair value information and disclosures and for the Corporation's accounting policy for derivative and hedging activities, see the Fair Value Measurements and Summary of Significant Accounting Policies notes in the Corporation's 2023 Annual Report on Form 10-K.

The following table presents the total notional amounts and gross fair values of the Corporation's derivatives, as well as the balance sheet netting adjustments as of June 30, 2024 and December 31, 2023:

	Jun 30, 2024								Dec 31, 2023
	Asset				Liability				Asset				Liability
($ in thousands)	Notional Amount		Fair Value		Notional Amount		Fair Value		Notional Amount		Fair Value		Notional Amount		Fair Value
Designated as hedging instruments:
Interest rate-related instruments(a)	$	1,250,000	$	3,036	$	2,050,000	$	12,880	$	2,300,000	$	8,075	$	550,000	$	930
Foreign currency exchange forwards	71,753		136		150,906		337		231,566		632		189,212		2,946
Total designated as hedging instruments			3,172				13,217				8,707				3,876
Not designated as hedging instruments:
Interest rate-related and other instruments	3,893,983		106,277		6,130,174		207,471		3,603,513		111,623		6,528,471		195,662
Foreign currency exchange forwards	89,957		2,700		276,412		2,514		87,526		2,954		135,654		2,746
Mortgage banking(b)	72,166		766		150,500		95		29,490		439		51,500		673
Total not designated as hedging instruments			109,744				210,081				115,016				199,082
Gross derivatives before netting			112,916				223,298				123,723				202,958
Less: Legally enforceable master netting agreements			8,328				8,328				18,234				18,234
Less: Cash collateral pledged/received			40,169				1,500				35,855				—
Total derivative instruments, after netting			$	64,418			$	213,470			$	69,634			$	184,724

(a) The notional amounts of the interest rate-related instruments designated as hedging instruments include forward starting interest rate swaps with an effective date ranging from December 1, 2024 to March 1, 2025, where the notional amounts on such swaps were $100 million for assets and $350 million for liabilities, and where the fair value on the assets and liabilities for those swaps were approximately $260,000 and $2 million, respectively.
(b) The notional amount of the mortgage derivative asset includes interest rate lock commitments, while the notional amount of the mortgage derivative liability includes forward commitments.

The following table presents amounts that were recorded on the consolidated balance sheets related to cumulative basis adjustments for fair value hedges:

	Line Item in the Consolidated Balance Sheets in Which the Hedged Item is Included
	Carrying Amount of the Hedged Assets/(Liabilities)(a)		Cumulative Amount of Fair Value Hedging Adjustment Included in the Carrying Amount of the Hedged Assets/(Liabilities)		Carrying Amount of the Hedged Assets/(Liabilities)(a)		Cumulative Amount of Fair Value Hedging Adjustment Included in the Carrying Amount of the Hedged Assets/(Liabilities)
($ in thousands)	Jun 30, 2024				Dec 31, 2023
Other long-term funding	$	(542,963)	$	7,037	$	(548,634)	$	1,366
FHLB advances	(586,180)		13,820		(590,287)		9,713
Total	$	(1,129,143)	$	20,857	$	(1,138,921)	$	11,079

(a) Excludes hedged items where only foreign currency risk is the designated hedged risk. At June 30, 2024 and December 31, 2023, the carrying amount excluded for foreign currency denominated loans was $223 million and $421 million, respectively.

The Corporation terminated its $500 million fair value hedge during the fourth quarter of 2019. At June 30, 2024, the amortized cost basis of the closed portfolios which had previously been used in the terminated hedging relationship was $252 million and is included in loans on the consolidated balance sheets. This amount includes $1 million of hedging adjustments on the discontinued hedging relationships, which are not presented in the table above.

The tables below identify the effect of fair value and cash flow hedge accounting on the Corporation's consolidated statements of income for the three and six months ended June 30, 2024 and 2023:

	Location and Amount Recognized on the Consolidated Statements of Income in Fair Value and Cash Flow Hedging Relationships
	Three months ended Jun 30,								Six Months Ended Jun 30,
	2024				2023				2024				2023
($ in thousands)	Interest Income		Interest Expense		Interest Income		Interest Expense		Interest Income		Interest Expense		Interest Income		Interest Expense
Total amounts of income/expense presented on the consolidated statements of income in which the effects of the fair value or cash flow hedges are recorded(a)	$	(4,805)	$	5,367	$	(3,376)	$	4,329	$	(9,668)	$	10,689	$	(4,697)	$	6,844
The effects of fair value and cash flow hedging: Impact on fair value hedging relationships in Subtopic 815-20
Interest contracts:
Hedged items	(36)		431		(57)		(20,375)		(76)		(9,779)		(115)		(9,651)
Derivatives designated as hedging instruments(a)	(4,769)		4,935		(3,319)		24,704		(9,592)		20,468		(4,581)		16,495

(a) Includes net settlements on the derivatives.

	Location and Amount Recognized on the Consolidated Statements of Income in Fair Value Hedging Relationships
	Three Months Ended Jun 30,				Six Months Ended Jun 30,
	2024		2023		2024		2023
($ in thousands)	Capital Markets, Net		Capital Markets, Net		Capital Markets, Net		Capital Markets, Net
Total amounts of income/expense presented on the consolidated statements of income in which the effects of the fair value hedges are recorded	$	—	$	—	$	—	$	—
The effects of fair value hedging: Impact on fair value hedging relationships in Subtopic 815-20
Foreign currency contracts:
Hedged items	(4,269)		7,587		(13,339)		9,389
Derivatives designated as hedging instruments	4,269		(7,587)		13,339		(9,389)

The following table presents the effect of cash flow hedge accounting on accumulated other comprehensive income (loss) for the three and six months ended June 30, 2024 and 2023:

	Three Months Ended Jun 30,				Six Months Ended Jun 30,
($ in thousands)	2024		2023		2024		2023
Interest rate-related instruments designated as cash flow hedging instruments
Amount of (loss) recognized in OCI on cash flow hedge derivative(a)	$	(6,787)	$	(34,147)	$	(26,248)	$	(20,384)
Amount of loss reclassified from accumulated other comprehensive income (loss) into interest income(a)	4,769		3,319		9,592		4,581

(a) The entirety of (losses) recognized in OCI as well as the losses reclassified from accumulated other comprehensive income (loss) into interest income were included components in the assessment of hedge effectiveness.

Amounts reported in accumulated other comprehensive income (loss) related to cash flow hedge derivatives are reclassified to interest income as interest payments are made on the hedged variable interest rate assets. The Corporation estimates that $13 million will be reclassified as a decrease to interest income over the next 12 months. This amount could differ from amounts actually recognized due to changes in interest rates, hedge de-designations, or the addition of other hedges subsequent to June 30, 2024. The maximum length of time over which the Corporation is hedging its exposure to the variability in future cash flows is 35 months as of June 30, 2024.

The table below identifies the effect of derivatives not designated as hedging instruments on the Corporation's consolidated statements of income for the three and six months ended June 30, 2024 and 2023:

	Consolidated Statements of Income Category of Gain / (Loss)  Recognized in Income	Three Months Ended Jun 30,				Six Months Ended Jun 30,
($ in thousands)		2024		2023		2024		2023
Derivative instruments
Interest rate-related and other instruments — customer and mirror, net	Capital markets, net	$	13	$	207	$	(58)	$	138
Interest rate-related instruments — MSRs hedge	Mortgage banking, net	(1,374)		(2,195)		(4,311)		326
Foreign currency exchange forwards	Capital markets, net	(140)		1,158		605		1,386
Interest rate lock commitments (mortgage)	Mortgage banking, net	100		93		327		345
Forward commitments (mortgage)	Mortgage banking, net	127		777		578		382

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Balance Sheet Offsetting

6 Months Ended

Jun. 30, 2024

Offsetting [Abstract]

Balance Sheet Offsetting

Balance Sheet Offsetting

Interest Rate-Related Instruments and Foreign Exchange Forwards (“Interest and Foreign Exchange Agreements”)

The Corporation is permitted to present derivative receivables and derivative payables with the same counterparty and the related cash collateral receivables and payables on a net basis on the consolidated balance sheets when a legally enforceable master netting agreement exists. The Corporation has elected to net such balances where it has determined that the specified conditions are met.

The Corporation uses master netting agreements to mitigate counterparty credit risk in these transactions, including derivative contracts. A master netting agreement is a single agreement with a counterparty that permits multiple transactions governed by that agreement to be terminated or accelerated and settled through a single payment in a single currency in the event of a default (e.g., bankruptcy, failure to make a required payment or securities transfer or deliver collateral or margin when due).

Typical master netting agreements for these types of transactions also contain a collateral/margin agreement that provides for a security interest in, or title transfer of, securities or cash collateral/margin to the party that has the right to demand margin (the “demanding party”). The collateral/margin agreement typically requires a party to transfer collateral/margin to the demanding party with a value equal to the amount of the margin deficit on a net basis across all transactions governed by the master netting agreement, less any threshold. The collateral/margin agreement grants to the demanding party, upon default by the counterparty, the right to set-off any amounts payable by the counterparty against any posted collateral or the cash equivalent of any posted collateral/margin. It also grants to the demanding party the right to liquidate collateral/margin and to apply the proceeds to an amount payable by the counterparty.

For additional information on the Corporation’s derivative and hedging activities, see the Derivative and Hedging Activities note in the Corporation's 2023 Annual Report on Form 10-K.

The following table presents the interest rate and foreign exchange assets and liabilities subject to an enforceable master netting arrangement as of June 30, 2024 and December 31, 2023. The interest rate and foreign exchange agreements the Corporation has with its commercial customers are not subject to an enforceable master netting arrangement and are therefore excluded from this table:

	Gross Amounts Recognized		Gross Amounts Subject to Master Netting Arrangements Offset on the Consolidated Balance Sheets				Net Amounts Presented on the Consolidated Balance Sheets		Gross Amounts Not Offset on the Consolidated Balance Sheets
($ in thousands)			Derivative Liabilities Offset		Cash Collateral Received				Security Collateral Received		Net  Amount
Derivative assets
June 30, 2024	$	92,570	$	(8,328)	$	(40,169)	$	44,072	$	(33,922)	$	10,150
December 31, 2023	87,075		(18,234)		(35,855)		32,985		(32,985)		—
	Gross Amounts Recognized		Gross Amounts Subject to Master Netting Arrangements Offset on the Consolidated Balance Sheets				Net Amounts Presented on the Consolidated Balance Sheets		Gross Amounts Not Offset on the Consolidated Balance Sheets
($ in thousands)			Derivative Assets Offset		Cash Collateral Pledged				Security Collateral Pledged		Net  Amount
Derivative liabilities
June 30, 2024	$	21,237	$	(8,328)	$	(1,500)	$	11,409	$	—	$	11,409
December 31, 2023	18,767		(18,234)		—		533		—		533

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Commitments, Off-Balance Sheet Arrangements, Legal Proceedings and Regulatory Matters

6 Months Ended

Jun. 30, 2024

Commitments and Contingencies Disclosure [Abstract]

Commitments, Off-Balance Sheet Arrangements, Legal Proceedings and Regulatory Matters

Commitments, Off-Balance Sheet Arrangements, Legal Proceedings, and Regulatory Matters

The Corporation utilizes a variety of financial instruments in the normal course of business to meet the financial needs of its customers and to manage its own exposure to fluctuations in interest rates. These financial instruments include lending-related and other commitments (see below) as well as derivative instruments (see Note 9). The following is a summary of lending-related commitments:

($ in thousands)	Jun 30, 2024		Dec 31, 2023
Commitments to extend credit, excluding commitments to originate residential mortgage loans held for sale(a)(b)	$	10,295,737	$	11,170,147
Commercial letters of credit(a)	1,118		3,697
Standby letters of credit(c)	252,475		212,029

(a) These off-balance sheet financial instruments are exercisable at the market rate prevailing at the date the underlying transaction will be completed and, thus, are deemed to have no current fair value, or the fair value is based on fees currently charged to enter into similar agreements and was not material at June 30, 2024 or December 31, 2023.

(b) Interest rate lock commitments to originate residential mortgage loans held for sale are considered derivative instruments and are disclosed in Note 9.

(c) Standby letters of credit are presented excluding participations. The Corporation has established a liability of $3 million at June 30, 2024, compared to $2 million at December 31, 2023, as an estimate of the fair value of these financial instruments.

Lending-related Commitments

As a financial services provider, the Corporation routinely enters into commitments to extend credit. Such commitments are subject to the same credit policies and approval process accorded to loans made by the Corporation, with each customer’s creditworthiness evaluated on a case-by-case basis. The commitments generally have fixed expiration dates or other termination clauses and may require the payment of a fee. The Corporation’s exposure to credit loss in the event of nonperformance by the other party to these financial instruments is represented by the contractual amount of those instruments. The amount of collateral obtained, if deemed necessary by the Corporation upon extension of credit, is based on management’s credit evaluation of the customer. Since a significant portion of commitments to extend credit are subject to specific restrictive loan covenants or may expire without being drawn upon, the total commitment amounts do not necessarily represent future cash flow requirements. An allowance for unfunded commitments is maintained at a level believed by management to be sufficient

to absorb expected lifetime losses related to unfunded commitments (including unfunded loan commitments and letters of credit).

The following table presents a summary of the changes in the allowance for unfunded commitments:

($ in thousands)	Six Months Ended Jun 30, 2024		Year Ended Dec 31, 2023
Allowance for unfunded commitments
Balance at beginning of period	$	34,776	$	38,776
Provision for unfunded commitments	(1,000)		(4,000)
Balance at end of period	$	33,776	$	34,776

Lending-related commitments include commitments to extend credit, commitments to originate residential mortgage loans held for sale, commercial letters of credit, and standby letters of credit. Commitments to extend credit are legally binding agreements to lend to customers at predetermined interest rates, as long as there is no violation of any condition established in the contracts. Interest rate lock commitments to originate residential mortgage loans held for sale and forward commitments to sell residential mortgage loans are considered derivative instruments, and the fair value of these commitments is recorded in other assets and accrued expenses and other liabilities on the consolidated balance sheets. The Corporation’s derivative and hedging activity is further described in Note 9. Commercial and standby letters of credit are conditional commitments issued to guarantee the performance of a customer to a third party. Commercial letters of credit are issued specifically to facilitate commerce and typically result in the commitment being drawn on when the underlying transaction is consummated between the customer and the third party, while standby letters of credit generally are contingent upon the failure of the customer to perform according to the terms of the underlying contract with the third party.

Other Commitments

The Corporation invests in qualified affordable housing projects, historic projects, new market projects, and opportunity zone funds for the purpose of community reinvestment and obtaining tax credits and other tax benefits. Return on the Corporation's investment in these projects and funds comes in the form of the tax credits and tax losses that pass through to the Corporation, and deferral or elimination of capital gain recognition for tax purposes. The aggregate carrying value of these investments at June 30, 2024 was $205 million, compared to $219 million at December 31, 2023, included in tax credit and other investments on the consolidated balance sheets. The Corporation utilizes the proportional amortization method to account for investments in qualified affordable housing projects.

Under the proportional amortization method, the Corporation amortizes the initial cost of the investment in proportion to the tax credits and other tax benefits. The Corporation recognized additional income tax expense attributable to the amortization of investments in qualified affordable housing projects of $18 million and $17 million for the six months ended June 30, 2024 and June 30, 2023, respectively, and $9 million for both the three months ended June 30, 2024 and June 30, 2023. The Corporation's remaining investment in qualified affordable housing projects accounted for under the proportional amortization method totaled $203 million at June 30, 2024 and $215 million at December 31, 2023.

The Corporation’s unfunded equity contributions relating to investments in qualified affordable housing and historic projects are recorded in accrued expenses and other liabilities on the consolidated balance sheets. The Corporation’s remaining unfunded equity contributions totaled $30 million at June 30, 2024 and $27 million at December 31, 2023. Additionally, at June 30, 2024, the Corporation also invests in a private SBA loan fund, recorded in equity securities on the consolidated balance sheets, the purpose of which is to identify CRA qualifying loans within a target region, which has a remaining unfunded equity contribution of $3 million.

For the six months ended June 30, 2024 and the year ended December 31, 2023, the Corporation did not record any impairment related to qualified affordable housing investments.

The Corporation has principal investment commitments to provide capital-based financing to private companies through either direct investment in specific companies or through investment funds and partnerships. The timing of future cash requirements to fund such principal investment commitments is generally dependent on the investment cycle, whereby privately held companies are funded by private equity investors and ultimately sold, merged, or taken public through an initial offering, which can vary based on overall market conditions, as well as the nature and type of industry in which the companies operate. The Corporation also invests in loan pools that support CRA loans. The timing of future cash requirements to fund these pools is dependent upon loan demand, which can vary over time. The aggregate carrying value of these investments was $41 million at June 30, 2024 and $40 million at December 31, 2023, included in tax credit and other investments on the consolidated balance sheets.

Legal Proceedings

The Corporation is party to various pending and threatened claims and legal proceedings arising in the normal course of business activities, some of which involve claims for substantial amounts. Although there can be no assurance as to the ultimate outcomes, the Corporation believes it has meritorious defenses to the claims asserted against it in its currently outstanding matters and intends to continue to defend itself vigorously with respect to such legal proceedings. The Corporation will consider settlement of cases when, in management’s judgment, it is in the best interests of the Corporation and its shareholders.

On at least a quarterly basis, the Corporation assesses its liabilities and contingencies in connection with all pending or threatened claims and litigation, utilizing the most recent information available. On a matter by matter basis, an accrual for loss is established for those matters which the Corporation believes it is probable that a loss may be incurred and that the amount of such loss can be reasonably estimated. Once established, each accrual is adjusted as appropriate to reflect any subsequent developments. Accordingly, management’s estimate will change from time to time, and actual losses may be more or less than the current estimate. For matters where a loss is not probable, or the amount of the loss cannot be estimated, no accrual is established.

Resolution of legal claims is inherently unpredictable, and in many legal proceedings various factors exacerbate this inherent unpredictability, including where the damages sought are unsubstantiated or indeterminate, it is unclear whether a case brought as a class action will be allowed to proceed on that basis, discovery is not complete, the proceeding is not yet in its final stages, the matters present legal uncertainties, there are significant facts in dispute, there are a large number of parties (including where it is uncertain how liability, if any, will be shared among multiple defendants), or there is a wide range of potential results.

Management believes that the legal proceedings currently pending against it should not have a material adverse effect on the Corporation’s consolidated financial condition. However, in light of the uncertainties involved in such proceedings, there is no assurance that the ultimate resolution of these matters will not significantly exceed the reserves the Corporation has currently accrued or that a matter will not have material reputational or other qualitative consequences. As a result, the outcome of a particular matter may be material to the Corporation’s operating results for a particular period, depending on, among other factors, the size of the loss or liability imposed and the level of the Corporation’s income for that period.

Regulatory Matters

A variety of consumer products, including mortgage and deposit products, and certain fees and charges related to such products, have come under increased regulatory scrutiny. It is possible that regulatory authorities could bring enforcement actions, including civil money penalties, or take other actions against the Corporation in regard to these consumer products. The Bank could also determine of its own accord, or be required by regulators, to refund or otherwise make remediation payments to customers in connection with these products, fees and charges. It is not possible at this time for management to assess the probability of a material adverse outcome or reasonably estimate the amount of any potential loss related to such matters.

In recent consent orders with financial institutions, the CFPB has asserted that certain overdraft charges constitute “unfair and abusive acts and practices.” In certain instances, these financial institutions have agreed to make restitution to customers and to pay civil money penalties. Included in the practices that the CFPB has asserted are “unfair and abusive” are 1) overdraft fees on transactions that had a sufficient balance at the time authorized but then later settled with an insufficient balance (“APSN Fees”), and 2) repeat insufficient funds fees on transactions resubmitted for payment after they were initially declined (“Representment Fees”). In light of these orders, the Corporation has undertaken a review of its current and past practices regarding APSN Fees and Representment Fees. Such review could result in changes to our overdraft fee policies, which would reduce our fee income in future periods and which could also result in a decision to make remediation payments to current and past customers who incurred such fees. The Corporation’s financial results may be materially impacted in any period in which the Corporation determines to make any such remediation payments.

Mortgage Repurchase Reserve

The Corporation sells residential mortgage loans to investors in the normal course of business. Residential mortgage loans sold to others are predominantly conventional residential first lien mortgages originated under the Corporation's usual underwriting procedures, and are most often sold on a nonrecourse basis, primarily to the GSEs. The Corporation’s agreements to sell residential mortgage loans in the normal course of business usually require certain representations and warranties on the underlying loans sold, related to credit information, loan documentation, collateral, and insurability. Subsequent to being sold, if a material underwriting deficiency or documentation defect is discovered, the Corporation may be obligated to repurchase the loan or reimburse the GSEs for losses incurred (collectively, “make whole requests”). The make whole requests and any related risk of loss under the representations and warranties are largely driven by borrower performance. The Corporation also sells qualifying residential mortgage loans guaranteed by U.S. government agencies into GNMA pools.

As a result of make whole requests, the Corporation has repurchased loans with aggregate principal balances of $2 million and $5 million for the six months ended June 30, 2024 and the year ended December 31, 2023, respectively. There were no loss reimbursement and settlement claims paid in the six months ended June 30, 2024 or for the year ended December 31, 2023. Make whole requests since January 1, 2023 generally arose from loans originated since January 1, 2021 with such balances totaling $4.0 billion at the time of sale, consisting primarily of loans sold to GSEs. As of June 30, 2024, $3.4 billion of those loans originated since January 1, 2021 remain outstanding.

The balance in the mortgage repurchase reserve at the balance sheet date reflects the estimated amount of potential loss the Corporation could incur from repurchasing a loan, as well as loss reimbursements, indemnifications, and other settlement resolutions. The mortgage repurchase reserve, included in accrued expenses and other liabilities on the consolidated balance sheets, was approximately $734,000 at June 30, 2024 and approximately $835,000 at December 31, 2023.

The Corporation may also sell residential mortgage loans with limited recourse (limited in that the recourse period ends prior to the loan’s maturity, usually after certain time and/or loan paydown criteria have been met), whereby repurchase could be required if the loan had defined delinquency issues during the limited recourse periods. At June 30, 2024 and December 31, 2023, there were $14 million and $15 million, respectively, of residential mortgage loans sold with such recourse risk. There have been limited instances and immaterial historical losses on repurchases for recourse under the limited recourse criteria.

The Corporation has a subordinate position to the FHLB in the credit risk on residential mortgage loans it sold to the FHLB Mortgage Partnership Finance Traditional program in exchange for a monthly credit enhancement fee. The Corporation resumed selling loans to the FHLB with such credit risk retention in February 2024, but prior to that, had not sold any loans with this credit risk retention since February 2005. At June 30, 2024 and December 31, 2023, there were $58 million and $16 million, respectively, of such residential mortgage loans with credit risk recourse, upon which there have been immaterial historical losses to the Corporation.

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Fair Value Measurements

6 Months Ended

Jun. 30, 2024

Fair Value Disclosures [Abstract]

Fair Value Measurements

Fair Value Measurements

Fair value represents the estimated price at which an orderly transaction to sell an asset or to transfer a liability would take place between market participants at the measurement date under current market conditions (i.e., an exit price concept).

The valuation methodologies for assets and liabilities measured at fair value on a recurring and non-recurring basis are described in the Fair Value Measurements note in the Corporation’s 2023 Annual Report on Form 10-K.

The tables below present the Corporation’s financial instruments measured at fair value on a recurring basis and carrying amounts and estimated fair values of certain financial instruments as of June 30, 2024 and December 31, 2023, aggregated by the level in the fair value hierarchy within which those measurements fall:

	Jun 30, 2024
($ in thousands)	Carrying Amount		Fair Value		Level 1		Level 2		Level 3
Assets
Cash and due from banks	$	470,818	$	470,818	$	470,818	$	—	$	—
Interest-bearing deposits in other financial institutions	484,677		484,677		484,677		—		—
Federal funds sold and securities purchased under agreements to resell	3,600		3,600		3,600		—		—
AFS investment securities:
U.S. Treasury securities	35,638		35,638		35,638		—		—
Obligations of state and political subdivisions (municipal securities)	78,507		78,507		—		78,507		—
Residential mortgage-related securities:
FNMA / FHLMC	1,064,318		1,064,318		—		1,064,318		—
GNMA	2,440,808		2,440,808		—		2,440,808		—
Commercial mortgage-related securities:
FNMA / FHLMC	17,283		17,283		—		17,283		—
GNMA	149,799		149,799		—		149,799		—
Asset backed securities:
FFELP	122,765		122,765		—		122,765		—
SBA	640		640		—		640		—
Other debt securities	2,973		2,973		—		2,973		—
Total AFS investment securities	3,912,730		3,912,730		35,638		3,877,092		—
HTM investment securities:
U.S. Treasury securities	1,000		978		978		—		—
Obligations of state and political subdivisions (municipal securities), net	1,668,410		1,497,587		—		1,497,587		—
Residential mortgage-related securities:
FNMA / FHLMC	916,966		753,657		—		753,657		—
GNMA	46,392		42,536		—		42,536		—
Private-label	335,148		273,892		—		273,892		—
Commercial mortgage-related securities:
FNMA / FHLMC	776,717		630,783		—		630,783		—
GNMA	54,403		47,436		—		47,436		—
Total HTM investment securities, net	3,799,035		3,246,868		978		3,245,890		—
Equity securities:
Equity securities	10,444		10,444		10,382		—		62
Equity securities at NAV	12,500		12,500
Total equity securities	22,944		22,944
FHLB and Federal Reserve Bank stocks	212,102		212,102		—		212,102		—
Residential loans held for sale	83,795		83,795		—		83,795		—
Loans, net	29,208,547		27,884,450		—		—		27,884,450
Bank and corporate owned life insurance	683,451		683,451		—		683,451		—
Mortgage servicing rights, net	85,640		85,640		—		—		85,640
Interest rate-related instruments designated as hedging instruments(a)	3,036		3,036		—		3,036		—
Foreign currency exchange forwards designated as hedging instruments(a)	136		136		—		136		—
Interest rate-related and other instruments not designated as hedging instruments(a)	106,277		106,277		—		106,277		—
Foreign currency exchange forwards not designated as hedging instruments(a)	2,700		2,700		—		2,700		—
Interest rate lock commitments to originate residential mortgage loans held for sale	766		766		—		—		766
Total selected assets at fair value	$	39,080,255	$	37,203,991	$	1,006,092	$	8,214,480	$	27,970,919

(a) Figures are presented gross before netting. See Note 9 and Note 10 for information relating to the impact of offsetting derivative assets and liabilities and cash collateral with the
    same counterparty where there is a legally enforceable master netting agreement in place.

	Jun 30, 2024
($ in thousands)	Carrying Amount		Fair Value		Level 1		Level 2		Level 3
Liabilities
Deposits:
Noninterest-bearing demand	$	5,815,045	$	5,815,045	$	—	$	—	$	5,815,045
Savings	5,157,103		5,157,103		—		—		5,157,103
Interest-bearing demand	8,284,017		8,284,017		—		—		8,284,017
Money market	6,294,895		6,294,895		—		—		6,294,895
Brokered CDs(a)	4,061,578		4,061,578		—		4,061,578		—
Other time deposits(a)	3,078,401		3,078,401		—		3,078,401		—
Total deposits	32,691,039		32,691,039		—		7,139,979		25,551,061
Short-term funding:
Federal funds purchased and securities sold under agreements to repurchase	359,539		359,532		—		359,532		—
BTFP funding	500,000		497,973		—		497,973		—
Total short-term funding	859,539		857,505		—		857,505		—
FHLB advances	2,673,046		2,672,221		—		2,672,221		—
Other long-term funding	536,113		530,211		—		530,211		—
Standby letters of credit(b)	2,536		2,536		—		2,536		—
Interest rate-related instruments designated as hedging instruments(c)	12,880		12,880		—		12,880		—
Foreign currency exchange forwards designated as hedging instruments(c)	337		337		—		337		—
Interest rate-related and other instruments not designated as hedging instruments(c)	207,471		207,471		—		207,471		—
Foreign currency exchange forwards not designated as hedging instruments(c)	2,514		2,514		—		2,514		—
Forward commitments to sell residential mortgage loans	95		95		—		—		95
Total selected liabilities at fair value	$	36,985,572	$	36,976,810	$	—	$	11,425,654	$	25,551,156

(a) When the estimated fair value is less than the carrying value, the carrying value is reported as the fair value.
(b) The commitment on standby letters of credit was $252 million at June 30, 2024. See Note 11 for additional information on the standby letters of credit and for information on the fair value of lending-related commitments.
(c) Figures are presented gross before netting. See Note 9 and Note 10 for information relating to the impact of offsetting derivative assets and liabilities and cash collateral with the same counterparty where there is a legally enforceable master netting agreement in place.

	Dec 31, 2023
($ in thousands)	Carrying Amount		Fair Value		Level 1		Level 2		Level 3
Assets
Cash and due from banks	$	484,384	$	484,384	$	484,384	$	—	$	—
Interest-bearing deposits in other financial institutions	425,089		425,089		425,089		—		—
Federal funds sold and securities purchased under agreements to resell	14,350		14,350		14,350		—		—
AFS investment securities:
U.S. Treasury securities	35,902		35,902		35,902		—		—
Obligations of state and political subdivisions (municipal securities)	91,817		91,817		—		91,817		—
Residential mortgage-related securities:
FNMA / FHLMC	1,120,794		1,120,794		—		1,120,794		—
GNMA	2,042,675		2,042,675		—		2,042,675		—
Commercial mortgage-related securities:
FNMA / FHLMC	16,937		16,937		—		16,937		—
GNMA	154,793		154,793		—		154,793		—
Asset backed securities:
FFELP	133,975		133,975		—		133,975		—
SBA	1,051		1,051		—		1,051		—
Other debt securities	2,950		2,950		—		2,950		—
Total AFS investment securities	3,600,892		3,600,892		35,902		3,564,990		—
HTM investment securities:
U.S. Treasury securities	999		963		963		—		—
Obligations of state and political subdivisions (municipal securities), net	1,682,398		1,553,984		—		1,553,984		—
Residential mortgage-related securities:
FNMA / FHLMC	941,973		804,393		—		804,393		—
GNMA	48,979		46,170		—		46,170		—
Private-label	345,083		289,507		—		289,507		—
Commercial mortgage-related securities:
FNMA / FHLMC	780,995		632,914		—		632,914		—
GNMA	59,733		52,619		—		52,619		—
Total HTM investment securities, net	3,860,160		3,380,550		963		3,379,586		—
Equity securities:
Equity securities	31,651		31,651		6,883		—		24,769
Equity securities at NAV	10,000		10,000
Total equity securities	41,651		41,651
FHLB and Federal Reserve Bank stocks	229,171		229,171		—		229,171		—
Residential loans held for sale	33,011		33,011		—		33,011		—
Commercial loans held for sale	90,303		90,303		—		90,303		—
Loans, net	28,865,124		27,371,086		—		—		27,371,086
Bank and corporate owned life insurance	682,649		682,649		—		682,649		—
Mortgage servicing rights, net	84,390		84,390		—		—		84,390
Interest rate-related instruments designated as hedging instruments(a)	8,075		8,075		—		8,075		—
Foreign currency exchange forwards designated as hedging instruments(a)	632		632		—		632		—
Interest rate-related and other instruments not designated as hedging instruments(a)	111,623		111,623		—		111,623		—
Foreign currency exchange forwards not designated as hedging instruments(a)	2,954		2,954		—		2,954		—
Interest rate lock commitments to originate residential mortgage loans held for sale	439		439		—		—		439
Total selected assets at fair value	$	38,534,897	$	36,561,249	$	967,570	$	8,102,995	$	27,480,684

(a) Figures are presented gross before netting. See Note 9 and Note 10 for information relating to the impact of offsetting derivative assets and liabilities and cash collateral with the
    same counterparty where there is a legally enforceable master netting agreement in place.

	Dec 31, 2023
($ in thousands)	Carrying Amount		Fair Value		Level 1		Level 2		Level 3
Liabilities
Deposits:
Noninterest-bearing demand	$	6,119,956	$	6,119,956	$	—	$	—	$	6,119,956
Savings	4,835,701		4,835,701		—		—		4,835,701
Interest-bearing demand	8,843,967		8,843,967		—		—		8,843,967
Money market	6,330,453		6,330,453		—		—		6,330,453
Brokered CDs(a)	4,447,479		4,447,479		—		4,447,479		—
Other time deposits(a)	2,868,494		2,868,494		—		2,868,494		—
Total deposits	33,446,049		33,446,049		—		7,315,973		26,130,076
Federal funds purchased and securities sold under agreements to repurchase	326,780		326,757		—		326,757		—
FHLB advances	1,940,194		1,944,600		—		1,944,600		—
Other long-term funding	541,269		534,983		—		534,983		—
Standby letters of credit(b)	2,157		2,157		—		2,157		—
Interest rate-related instruments designated as hedging instruments(c)	930		930		—		930		—
Foreign currency exchange forwards designated as hedging instruments(c)	2,946		2,946		—		2,946		—
Interest rate-related and other instruments not designated as hedging instruments(c)	195,662		195,662		—		195,662		—
Foreign currency exchange forwards not designated as hedging instruments(c)	2,746		2,746		—		2,746		—
Forward commitments to sell residential mortgage loans	673		673		—		—		673
Total selected liabilities at fair value	$	36,459,407	$	36,457,504	$	—	$	10,326,755	$	26,130,749

(a) When the estimated fair value is less than the carrying value, the carrying value is reported as the fair value.

(b) The commitment on standby letters of credit was $212 million at December 31, 2023. See Note 11 for additional information on the standby letters of credit and for information on the fair value of lending-related commitments.

(c) Figures are presented gross before netting. See Note 9 and Note 10 for information relating to the impact of offsetting derivative assets and liabilities and cash collateral with the same counterparty where there is a legally enforceable master netting agreement in place.

The table below presents a rollforward of the consolidated balance sheets amounts for the six months ended June 30, 2024 and the year ended December 31, 2023, for the Corporation's mortgage derivatives measured on a recurring basis and classified within Level 3 of the fair value hierarchy:

($ in thousands)	Interest rate lock commitments to originate residential mortgage loans held for sale		Forward commitments to sell residential mortgage loans		Total
Balance December 31, 2022	$	86	$	46	$	40
New production	6,557		(1,816)		8,373
Closed loans / settlements	(4,171)		2,494		(6,665)
Other	(2,033)		(51)		(1,982)
Change in mortgage derivative	352		627		(274)
Balance December 31, 2023	$	439	$	673	$	(234)
New production	$	6,153	$	(1,414)	$	7,567
Closed loans / settlements	(3,857)		1,028		(4,885)
Other	(1,969)		(192)		(1,777)
Change in mortgage derivative	327		(578)		905
Balance June 30, 2024	$	766	$	95	$	671

The following table presents a rollforward of the fair value of Level 3 equity securities, for the six months ended June 30, 2024 and the year ended December 31, 2023, that are measured under the measurement alternative and the related adjustments recorded during the periods presented for those securities with observable price changes:

($ in thousands)
Fair value as of December 31, 2022	$	19,225
Gains recognized in investment securities gains, net	5,861
Purchases	11
Sales	(329)
Fair value as of December 31, 2023	$	24,769
Gains recognized in investment securities gains, net	$	4,054
Purchases	12
Sales	(28,772)
Fair value as of June 30, 2024	$	62

The table below presents the Corporation’s assets measured at fair value on a nonrecurring basis, aggregated by the level in the fair value hierarchy within which those measurements fall:

($ in thousands)	Fair Value Hierarchy	Fair Value		Consolidated Statements of Income Category of Adjustment Recognized in Income	Adjustment Recognized on the Consolidated Statements of Income(a)
Jun 30, 2024
Assets
Individually evaluated loans	Level 3	$	53,881	Provision for credit losses	$	22,095
OREO(b)	Level 2	192		Other noninterest expense / provision for credit losses(c)	263
Dec 31, 2024
Assets
Individually evaluated loans	Level 3	$	47,221	Provision for credit losses	$	45,709
OREO(b)	Level 2	3,139		Other noninterest expense / provision for credit losses(c)	2,532
Equity securities without readily determinable fair values	Level 3	24,671		Investment securities gains (losses), net	5,785

(a) Includes the YTD impact on the consolidated statements of income.

(b) If the fair value of the collateral exceeds the carrying amount of the asset, no charge off or adjustment is necessary, the asset is not considered to be carried at fair value and is therefore not included in the table.

(c) When a property's value is written down at the time it is transferred to OREO, the charge off is booked to the provision for credit losses. When a property is already in OREO and subsequently written down, the charge off is booked to other noninterest expense.

The table below presents the unobservable inputs that are readily quantifiable pertaining to Level 3 measurements:

Jun 30, 2024	Valuation Technique	Significant Unobservable Input	Range of Inputs			Weighted Average Input Applied
Mortgage servicing rights	Discounted cash flow	Option adjusted spread	5%	-	8%	5%
Mortgage servicing rights	Discounted cash flow	Constant prepayment rate	—%	-	100%	6%
Individually evaluated loans	Appraisals / Discounted cash flow	Collateral / Discount factor	—%	-	81%	56%
Interest rate lock commitments to originate residential mortgage loans held for sale	Discounted cash flow	Closing Ratio	35%	-	100%	87%

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Retirement Plans

6 Months Ended

Jun. 30, 2024

Retirement Benefits [Abstract]

Retirement Plans

Retirement Plans

The Corporation has a noncontributory defined benefit RAP, covering substantially all employees who meet the eligibility requirements. The benefits are based primarily on years of service and the employee’s eligible compensation paid. Employees of acquired entities generally participate in the RAP after consummation of the business combinations. Retirement plans of acquired entities are typically merged into the RAP depending on the terms of the merger agreement, and, as applicable, credit is usually applied to employees for years of service at the acquired institution for vesting and eligibility purposes.

The Corporation also provides healthcare access to a limited group of retired employees from a previous acquisition in the Postretirement Plan. There are no other active retiree healthcare plans.

The components of net periodic pension cost and net periodic benefit cost for the RAP and Postretirement Plan for the three and six months ended June 30, 2024 and 2023 were as follows:

	Three Months Ended Jun 30,				Six Months Ended Jun 30,
($ in thousands)	2024		2023		2024		2023
RAP
Service cost	$	881	$	796	$	1,755	$	1,592
Interest cost	2,719		2,686		5,438		5,372
Expected return on plan assets	(8,650)		(8,202)		(17,301)		(16,404)
Amortization of prior service cost	(54)		(63)		(107)		(125)
Amortization of actuarial loss	—		—		—		37
Total net periodic pension cost	$	(5,104)	$	(4,783)	$	(10,215)	$	(9,528)
Postretirement Plan
Interest cost	$	18	$	20	$	37	$	39
Amortization of prior service cost	(19)		(19)		(38)		(38)
Amortization of actuarial (gain)	(7)		(7)		(14)		(15)
Total net periodic benefit cost	$	(8)	$	(7)	$	(15)	$	(13)

The components of net periodic pension cost and net periodic benefit cost, other than the service cost component, are included in the line item other of noninterest expense on the consolidated statements of income. The service cost components are included in personnel on the consolidated statements of income.

The Corporation’s funding policy is to pay at least the minimum amount required by federal law and regulations, with consideration given to the maximum funding amounts allowed. The Corporation regularly reviews the funding of its RAP. There were no contributions during 2023 or the six months ended June 30, 2024.

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Segment Reporting

6 Months Ended

Jun. 30, 2024

Segment Reporting [Abstract]

Segment Reporting

Segment Reporting

The Corporation utilizes a risk-based internal profitability measurement system to provide strategic business unit reporting. The profitability measurement system is based on internal management methodologies designed to produce consistent results and reflect the underlying economics of the units. Certain strategic business units have been combined for segment information reporting purposes where the nature of the products and services, the type of customer, and the distribution of those products and services are similar. The three reportable segments are Corporate and Commercial Specialty; Community, Consumer, and Business; and Risk Management and Shared Services. The financial information of the Corporation’s segments has been compiled utilizing the accounting policies described in the Corporation’s 2023 Annual Report on Form 10-K, with certain exceptions. The more significant of these exceptions are described herein.

The reportable segment results are presented based on the Corporation's internal management accounting process. The management accounting policies and processes utilized in compiling segment financial information are highly subjective and, unlike financial accounting, are not based on authoritative guidance similar to U.S. GAAP. As a result, reported segments and the financial information of the reported segments are not necessarily comparable with similar information reported by other financial institutions. Furthermore, changes in management structure or allocation methodologies and procedures may result in changes in previously reported segment financial data. Additionally, the information presented is not indicative of how the segments would perform if they operated as independent entities.

To determine financial performance of each segment, the Corporation allocates FTP assignments, the provision for credit losses, certain noninterest expenses, income taxes, and equity to each segment. Allocation methodologies are subject to periodic adjustment as the internal management accounting system is revised, the interest rate environment evolves, and business or product lines within the segments change. Also, because the development and application of these methodologies is a dynamic process, the financial results presented may be periodically reviewed.

The Corporation allocates net interest income using an internal FTP methodology that charges users of funds (assets, primarily loans) and credits providers of funds (liabilities, primarily deposits) based on the maturity, prepayment and/or re-pricing characteristics of the assets and liabilities. The net effect of this allocation is offset in the Risk Management and Shared Services segment to ensure consolidated totals reflect the Corporation's net interest income. The net FTP allocation is reflected as net intersegment interest income (expense) in the accompanying tables.

The provision for credit losses is allocated to segments based on the expected long-term annual net charge off rates attributable to the credit risk of loans managed by the segment during the period. In contrast, the level of the consolidated provision for credit losses is determined based on an ACLL model using the methodologies described in the Corporation’s 2023 Annual Report on Form 10-K. The net effect of the credit provision is recorded in Risk Management and Shared Services. Indirect expenses incurred by certain centralized support areas are allocated to segments based on actual usage (for example, volume measurements) and other criteria. Certain types of administrative expense and bank-wide expense accruals (including, when applicable, amortization of CDIs and other intangible assets associated with acquisitions, acquisition-related costs, and asset gains on disposed business units) are generally not allocated to segments. Income taxes are allocated to segments based on the Corporation’s estimated effective tax rate, with certain segments adjusted for any tax-exempt income or non-deductible expenses. Equity is allocated to the segments based on regulatory capital requirements and in proportion to an assessment of the inherent risks associated with the business of the segment (including interest, credit and operating risk).

A brief description of each business segment is presented below. A more in-depth discussion of these segments can be found in the Segment Reporting note in the Corporation’s 2023 Annual Report on Form 10-K.

The Corporate and Commercial Specialty segment serves a wide range of customers including larger businesses, developers, not-for-profits, municipalities, and financial institutions by providing lending and deposit solutions as well as the support to deliver, fund, and manage such banking solutions. In addition, this segment provides a variety of investment, fiduciary, and retirement planning products and services to individuals and small to mid-sized businesses. The Community, Consumer, and Business segment serves individuals, as well as small and mid-sized businesses, by providing lending and deposit solutions. The Risk Management and Shared Services segment includes key shared operational functions and also includes residual revenue and expenses, representing the difference between actual amounts incurred and the amounts allocated to operating segments, including interest rate risk residuals (FTP mismatches) and credit risk and provision residuals (long-term credit charge mismatches).

Information about the Corporation’s segments is presented below:

	Corporate and Commercial Specialty
	Three Months Ended Jun 30,				Six Months Ended Jun 30,
($ in thousands)	2024		2023		2024		2023
Net interest income	$	251,196	$	240,542	$	494,127	$	459,665
Net intersegment interest (expense)	(99,238)		(100,711)		(192,974)		(181,691)
Segment net interest income	151,958		139,832		301,153		277,975
Noninterest income	35,131		32,451		69,553		65,168
Total revenue	187,089		172,282		370,707		343,143
Provision for credit losses	16,492		13,674		31,920		27,456
Noninterest expense	65,394		61,137		131,744		123,256
Income before income taxes	105,204		97,471		207,042		192,431
Income tax expense	17,765		17,086		38,846		34,811
Net income	$	87,438	$	80,385	$	168,196	$	157,619
Allocated goodwill					$	525,836	$	525,836

	Community, Consumer, and Business
	Three Months Ended Jun 30,				Six Months Ended Jun 30,
($ in thousands)	2024		2023		2024		2023
Net interest income	$	57,808	$	72,460	$	116,000	$	152,744
Net intersegment interest income	135,332		105,841		265,491		193,920
Segment net interest income	193,140		178,301		381,491		346,664
Noninterest income	25,418		30,252		49,912		56,199
Total revenue	218,559		208,554		431,404		402,863
Provision for credit losses	5,591		7,328		12,416		14,086
Noninterest expense	107,565		108,928		218,055		220,663
Income before income taxes	105,403		92,298		200,933		168,114
Income tax expense	22,134		19,383		42,196		35,304
Net income	$	83,268	$	72,915	$	158,737	$	132,810
Allocated goodwill					$	579,156	$	579,156

	Risk Management and Shared Services
	Three Months Ended Jun 30,				Six Months Ended Jun 30,
($ in thousands)	2024		2023		2024		2023
Net interest (loss)	$	(52,411)	$	(55,085)	$	(95,677)	$	(80,483)
Net intersegment (expense)	(36,095)		(5,130)		(72,517)		(12,229)
Segment net interest (loss)	(88,506)		(60,216)		(168,194)		(92,712)
Noninterest income	4,610		2,840		10,678		6,249
Total revenue	(83,896)		(57,376)		(157,515)		(86,463)
Provision for credit losses	925		1,097		2,672		(1,471)
Noninterest expense	22,902		20,609		43,719		34,167
(Loss) before income taxes	(107,722)		(79,082)		(203,906)		(119,159)
Income tax (benefit)	(52,589)		(12,935)		(73,716)		(19,243)
Net (loss)	$	(55,133)	$	(66,146)	$	(130,191)	$	(99,916)
Allocated goodwill					$	—	$	—

	Consolidated Total
	Three Months Ended Jun 30,				Six Months Ended Jun 30,
($ in thousands)	2024		2023		2024		2023
Net interest income	$	256,593	$	257,917	$	514,451	$	531,927
Net intersegment interest income	—		—		—		—
Segment net interest income	256,593		257,917		514,451		531,927
Noninterest income	65,159		65,543		130,144		127,616
Total revenue	321,752		323,460		644,595		659,543
Provision for credit losses	23,008		22,100		47,009		40,071
Noninterest expense	195,861		190,673		393,518		378,086
Income before income taxes	102,884		110,687		204,068		241,386
Income tax (benefit) expense	(12,689)		23,533		7,326		50,873
Net income	$	115,573	$	87,154	$	196,742	$	190,514
Allocated goodwill					$	1,104,992	$	1,104,992

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Accumulated Other Comprehensive Income (Loss)

6 Months Ended

Jun. 30, 2024

Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]

Accumulated Other Comprehensive Income (Loss)

Accumulated Other Comprehensive Income (Loss)

The following tables summarize the components of accumulated other comprehensive income (loss) at June 30, 2024 and 2023, including changes during the preceding three and six month periods as well as any reclassifications out of accumulated other comprehensive income (loss):

($ in thousands)	AFS Investment Securities		Cash Flow Hedge Derivatives		Defined Benefit Pension and Postretirement Obligations		Accumulated Other Comprehensive Income (Loss)
Balance December 31, 2023	$	(148,641)	$	3,080	$	(25,535)	$	(171,096)
Other comprehensive (loss) before reclassifications	(41,014)		—		—		(41,014)
Amounts reclassified from accumulated other comprehensive income (loss):
Investment securities losses, net	197		—		—		197
HTM investment securities, net, at amortized cost(a)	4,182		—		—		4,182
Other assets / accrued expenses and other liabilities	—		(26,248)		—		(26,248)
Interest income	—		9,592		—		9,592
Personnel expense	—		—		(144)		(144)
Other expense	—		—		(14)		(14)
Income tax benefit (expense)	9,138		(2,192)		(1,614)		5,333
Net other comprehensive (loss) during period	(27,498)		(18,848)		(1,772)		(48,117)
Balance June 30, 2024	$	(176,139)	$	(15,768)	$	(27,307)	$	(219,214)
Balance December 31, 2022	$	(233,192)	$	3,360	$	(42,968)	$	(272,799)
Other comprehensive (loss) before reclassifications	(12,588)		—		—		(12,588)
Amounts reclassified from accumulated other comprehensive (loss):
HTM investment securities, net, at amortized cost(a)	4,556		—		—		4,556
Other assets / accrued expenses and other liabilities	—		(20,384)		—		(20,384)
Interest income	—		4,581		—		4,581
Personnel expense	—		—		(163)		(163)
Other expense	—		—		22		22
Income tax benefit	1,951		3,173		8		5,132
Net other comprehensive (loss) during period	(6,081)		(12,630)		(132)		(18,843)
Balance June 30, 2023	$	(239,273)	$	(9,270)	$	(43,099)	$	(291,642)

(a) Amortization of net unrealized losses on AFS securities transferred to HTM securities.

($ in thousands)	AFS Investment Securities		Cash Flow Hedge Derivatives		Defined Benefit Pension and Postretirement Obligations		Accumulated Other Comprehensive Income (Loss)
Balance March 31, 2024	$	(169,388)	$	(13,246)	$	(27,247)	$	(209,881)
Other comprehensive (loss) before reclassifications	(11,126)		—		—		(11,126)
Amounts reclassified from accumulated other comprehensive (loss):
HTM investment securities, net, at amortized cost(a)	2,122		—		—		2,122
Other assets / accrued expenses and other liabilities	—		(6,787)		—		(6,787)
Interest income	—		4,769		—		4,769
Personnel expense	—		—		(73)		(73)
Other expense	—		—		(7)		(7)
Income tax benefit (expense)	2,253		(503)		20		1,769
Net other comprehensive (loss) during period	(6,751)		(2,522)		(60)		(9,333)
Balance June 30, 2024	$	(176,139)	$	(15,768)	$	(27,307)	$	(219,214)
Balance March 31, 2023	$	(204,339)	$	13,691	$	(42,940)	$	(233,588)
Other comprehensive (loss) before reclassifications	(49,066)		—		—		(49,066)
Amounts reclassified from accumulated other comprehensive income (loss):
HTM investment securities, net, at amortized cost(a)	2,289		—		—		2,289
Other assets / accrued expenses and other liabilities	—		(34,147)		—		(34,147)
Interest income	—		3,319		—		3,319
Personnel expense	—		—		(81)		(81)
Other expense	—		—		(7)		(7)
Income tax benefit (expense)	11,843		7,867		(71)		19,639
Net other comprehensive (loss) during period	(34,934)		(22,961)		(159)		(58,054)
Balance June 30, 2023	$	(239,273)	$	(9,270)	$	(43,099)	$	(291,642)

(a) Amortization of net unrealized losses on AFS securities transferred to HTM securities.

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Leases

6 Months Ended

Jun. 30, 2024

Leases [Abstract]

Leases

Leases

The Corporation has operating leases for retail and corporate offices, land, and equipment. The Corporation also has a finance lease for retail and corporate offices.

These leases have original terms of 1 year or longer with remaining maturities up to 38 years, some of which include options to extend the lease term. An analysis of the lease options has been completed and any purchase options or optional periods that the Corporation is reasonably likely to extend have been included in the capitalization.

The discount rate used to capitalize the operating leases is the Corporation's FHLB borrowing rate on the date of lease commencement. When determining the rate to discount specific lease obligations, the repayment period and term are considered.

Operating and finance lease costs and cash flows resulting from these leases are presented below:

	Three Months Ended Jun 30,				Six Months Ended Jun 30,
($ in thousands)	2024		2023		2024		2023
Operating lease costs	$	1,551	$	1,479	$	3,096	$	2,942
Finance lease costs	23		23		46		46
Operating lease cash flows	1,592		1,698		3,436		3,526
Finance lease cash flows	23		23		46		46

The right-of-use asset and lease liability by lease classifications on the consolidated balance sheets were as follows:

($ in thousands)	Consolidated Balance Sheets Category	Jun 30, 2024		Dec 31, 2023
Operating lease right-of-use asset	Premises and equipment	$	26,213	$	24,712
Finance lease right-of-use asset	Other assets	325		368
Operating lease liability	Accrued expenses and other liabilities	28,675		27,311
Finance lease liability	Other long-term funding	339		383

The lease payment obligations, weighted-average remaining lease term, and weighted-average original discount rate were as follows:

	Jun 30, 2024					Dec 31, 2023
($ in thousands)	Lease Payments		Weighted-average Lease Term (in years)	Weighted-average Discount Rate		Lease Payments		Weighted-average Lease Term (in years)	Weighted-average Discount Rate
Operating leases
Retail and corporate offices	$	28,130	6.10	3.47	%	$	25,729	5.76	3.12	%
Land	3,640		6.77	3.50	%	4,050		6.98	3.48	%
Equipment	408		2.00	4.62	%	408		2.50	4.62	%
Total operating leases	$	32,178	6.12	3.49	%	$	30,187	5.88	3.19	%
Finance leases
Retail and corporate offices	$	347	3.75	1.32	%	$	394	4.25	1.32	%
Total finance leases	$	347	3.75	1.32	%	$	394	4.25	1.32	%

Contractual lease payment obligations for each of the next five years and thereafter, in addition to a reconciliation to the Corporation’s lease liability, were as follows:

($ in thousands)	Operating Leases		Finance Leases		Total Leases
Six months ended December 31, 2024	$	3,309	$	46	$	3,356
2025	6,293		93		6,386
2026	5,712		93		5,805
2027	5,002		93		5,095
2028	4,118		23		4,142
Beyond 2028	7,743		—		7,743
Total lease payments	$	32,178	$	347	$	32,526
Less: interest	3,503		8		3,512
Present value of lease payments	$	28,675	$	339	$	29,014

As of June 30, 2024 and December 31, 2023, additional operating leases, primarily retail and corporate offices, that had not yet commenced totaled $4 million and $3 million, respectively. The leases that had not yet commenced as of June 30, 2024 will commence between July 2024 and April 2025 with lease terms of 1 year to 7 years.

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Summary of Significant Accounting Policies (Policies)

6 Months Ended

Jun. 30, 2024

Accounting Standards Update and Change in Accounting Principle [Abstract]

New Accounting Pronouncements Adopted

New Accounting Pronouncements Adopted

Standard	Description	Date of adoption	Effect on financial statements
ASU 2023-02 Investments-Equity Method and Joint Ventures (Topic 323): Accounting for Investments in Tax Credit Structures Using the Proportional Amortization Method	The amendments in this update permit reporting entities to elect to account for their tax equity investments, regardless of the tax credit program from which the income tax credits are received, using the proportional amortization method if certain conditions are met. A reporting entity may make an accounting policy election to apply the proportional amortization method on a tax-credit-program-by-tax-credit-program basis rather than electing to apply the proportional amortization method at the reporting entity level or to individual investments. The amendments in this update also remove certain guidance for Qualified Affordable Housing Project investments and require the application of the delayed equity contribution guidance to all tax equity investments. The amendments in this update are effective for fiscal years beginning after December 15, 2023, and must be applied on either a modified retrospective or a retrospective basis. Early adoption is permitted in any interim period, however if adopted in an interim period the entity shall adopt the amendments in this update as of the beginning of the fiscal year that includes the interim period.	1st quarter 2024	The Corporation has determined the impact on its results of operation, financial position, liquidity, and disclosures is immaterial.

Future Accounting Pronouncements

Future Accounting Pronouncements

The expected impact of applicable material accounting pronouncements recently issued or proposed but not yet required to be adopted are discussed in the table below. To the extent that the adoption of new accounting standards materially affects the Corporation's financial condition, results of operations, liquidity or disclosures, the impacts are discussed in the applicable sections of this financial review.

Standard	Description	Date of anticipated adoption	Effect on financial statements
ASU 2023-07 Segment Reporting (Topic 280): Improvements to Reportable Segment Disclosures	The amendments in this update improve financial reporting by requiring disclosure of incremental segment information on an annual and interim basis for all public entities to enable investors to develop more decision-useful financial analyses. The amendments in this update also do not change how a public entity identifies its operating segments, aggregates those operating segments, or applies the quantitative thresholds to determine its reportable segments. The amendments in this update are effective for fiscal years beginning after December 15, 2023, and interim periods within fiscal years beginning after December 15, 2024. Early adoption is permitted.	Fiscal year 2024 and interim periods beginning in 1st quarter 2025	The Corporation is currently evaluating the impact on its disclosures.
ASU 2023-09 Income Taxes (Topic 740): Improvements to Income Tax Disclosures	The amendments in this update address investor requests for more transparency about income tax information through improvements to income tax disclosures primarily related to the rate reconciliation and income taxes paid information. This update also includes certain other amendments to improve the effectiveness of income tax disclosures. The amendments in this update are effective for fiscal years beginning after December 15, 2024 and are to be applied on a prospective basis. Early adoption is permitted.	Fiscal year 2025	The Corporation is currently evaluating the impact on its disclosures.

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Earnings Per Common Share (Tables)

6 Months Ended

Jun. 30, 2024

Earnings Per Share [Abstract]

Calculations for basic and diluted earnings per common share

Presented below are the calculations for basic and diluted earnings per common share:

	Three Months Ended Jun 30,				Six Months Ended Jun 30,
($ in thousands, except per share data)	2024		2023		2024		2023
Net income	$	115,573	$	87,154	$	196,742	$	190,514
Preferred stock dividends	(2,875)		(2,875)		(5,750)		(5,750)
Net income available to common equity	112,698		84,279		190,992		184,764
Common shareholder dividends	(33,310)		(31,802)		(66,718)		(63,611)
Unvested share-based payment awards	(197)		(194)		(317)		(398)
Undistributed earnings	$	79,191	$	52,283	$	123,958	$	120,755
Undistributed earnings allocated to common shareholders	$	78,723	$	51,965	$	123,256	$	120,047
Undistributed earnings allocated to unvested share-based payment awards	468		318		702		708
Undistributed earnings	$	79,191	$	52,283	$	123,958	$	120,755
Basic
Distributed earnings to common shareholders	$	33,310	$	31,802	$	66,718	$	63,611
Undistributed earnings allocated to common shareholders	78,723		51,965		123,256		120,047
Total common shareholders earnings, basic	$	112,034	$	83,768	$	189,974	$	183,658
Diluted
Distributed earnings to common shareholders	$	33,310	$	31,802	$	66,718	$	63,611
Undistributed earnings allocated to common shareholders	78,723		51,965		123,256		120,047
Total common shareholders earnings, diluted	$	112,034	$	83,768	$	189,974	$	183,658
Weighted average common shares outstanding	149,872		149,986		149,864		149,875
Effect of dilutive common stock awards	1,416		884		1,446		1,027
Diluted weighted average common shares outstanding	151,288		150,870		151,310		150,903
Basic earnings per common share	$	0.75	$	0.56	$	1.27	$	1.23
Diluted earnings per common share	$	0.74	$	0.56	$	1.26	$	1.22

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Stock-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2024

Retirement Benefits [Abstract]

Summary of company's stock option activities

A summary of the Corporation’s stock option activity for the six months ended June 30, 2024 is presented below:

Stock Options	Shares(a)	Weighted Average Exercise Price		Weighted Average Remaining Contractual Term	Aggregate Intrinsic Value(a)
Outstanding at December 31, 2023	3,792	$	21.25	4.26 years	$	5,834
Exercised	230	17.20
Forfeited or expired	33	24.64
Outstanding at June 30, 2024	3,528	$	21.48	3.81 years	$	4,477
Options Exercisable at June 30, 2024	3,528	$	21.48	3.81 years	$	4,477

(a) In thousands

Summary of restricted stock awards activity (excluding salary shares)

The following table summarizes information about the Corporation’s restricted stock awards activity for the six months ended June 30, 2024:

Restricted Stock	Shares(a)	Weighted Average Grant Date Fair Value
Outstanding at December 31, 2023	2,349	$	21.20
Granted	814	20.89
Vested	732	23.98
Forfeited	23	22.13
Outstanding at June 30, 2024	2,408	$	21.28

(a) In thousands

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Investment Securities (Tables)

6 Months Ended

Jun. 30, 2024

Investments, Debt and Equity Securities [Abstract]

Investment securities available for sale

The amortized cost and fair values of AFS and HTM securities at June 30, 2024 were as follows:

($ in thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized (Losses)		Fair Value
AFS investment securities
U.S. Treasury securities	$	39,986	$	—	$	(4,349)	$	35,638
Obligations of state and political subdivisions (municipal securities)	82,876		—		(4,369)		78,507
Residential mortgage-related securities:
FNMA/FHLMC	1,224,824		172		(160,678)		1,064,318
GNMA	2,450,628		3,725		(13,545)		2,440,808
Commercial mortgage-related securities:
FNMA/FHLMC	18,513		—		(1,230)		17,283
GNMA	158,257		—		(8,458)		149,799
Asset backed securities:
FFELP	123,720		43		(998)		122,765
SBA	667		—		(27)		640
Other debt securities	3,000		—		(27)		2,973
Total AFS investment securities	$	4,102,470	$	3,941	$	(193,681)	$	3,912,730
HTM investment securities
U.S. Treasury securities	$	1,000	$	—	$	(22)	$	978
Obligations of state and political subdivisions (municipal securities)	1,668,494		1,411		(172,235)		1,497,670
Residential mortgage-related securities:
FNMA/FHLMC	916,966		25,024		(188,333)		753,657
GNMA	46,392		11		(3,866)		42,536
Private-label	335,148		8,955		(70,211)		273,892
Commercial mortgage-related securities:
FNMA/FHLMC	776,717		11,429		(157,363)		630,783
GNMA	54,403		289		(7,256)		47,436
Total HTM investment securities	$	3,799,119	$	47,119	$	(599,286)	$	3,246,952

The amortized cost and fair values of AFS and HTM securities at December 31, 2023 were as follows:

($ in thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized (Losses)		Fair Value
AFS investment securities
U.S. Treasury securities	$	39,984	$	—	$	(4,083)	$	35,902
Obligations of state and political subdivisions (municipal securities)	94,008		23		(2,214)		91,817
Residential mortgage-related securities:
FNMA/FHLMC	1,274,052		294		(153,552)		1,120,794
GNMA	2,021,242		24,254		(2,822)		2,042,675
Commercial mortgage-related securities:
FNMA/FHLMC	18,691		—		(1,755)		16,937
GNMA	161,928		—		(7,135)		154,793
Asset backed securities:
FFELP	135,832		5		(1,862)		133,975
SBA	1,077		2		(28)		1,051
Other debt securities	3,000		—		(50)		2,950
Total AFS investment securities	$	3,749,814	$	24,579	$	(173,501)	$	3,600,892
HTM investment securities
U.S. Treasury securities	$	999	$	—	$	(36)	$	963
Obligations of state and political subdivisions (municipal securities)	1,682,473		5,638		(134,053)		1,554,059
Residential mortgage-related securities:
FNMA/FHLMC	941,973		27,007		(164,587)		804,393
GNMA	48,979		92		(2,901)		46,170
Private-label	345,083		9,796		(65,372)		289,507
Commercial mortgage-related securities:
FNMA/FHLMC	780,995		12,699		(160,781)		632,914
GNMA	59,733		386		(7,500)		52,619
Total HTM investment securities	$	3,860,235	$	55,619	$	(535,230)	$	3,380,624

Investment securities held to maturity

The amortized cost and fair values of AFS and HTM securities at June 30, 2024 were as follows:

($ in thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized (Losses)		Fair Value
AFS investment securities
U.S. Treasury securities	$	39,986	$	—	$	(4,349)	$	35,638
Obligations of state and political subdivisions (municipal securities)	82,876		—		(4,369)		78,507
Residential mortgage-related securities:
FNMA/FHLMC	1,224,824		172		(160,678)		1,064,318
GNMA	2,450,628		3,725		(13,545)		2,440,808
Commercial mortgage-related securities:
FNMA/FHLMC	18,513		—		(1,230)		17,283
GNMA	158,257		—		(8,458)		149,799
Asset backed securities:
FFELP	123,720		43		(998)		122,765
SBA	667		—		(27)		640
Other debt securities	3,000		—		(27)		2,973
Total AFS investment securities	$	4,102,470	$	3,941	$	(193,681)	$	3,912,730
HTM investment securities
U.S. Treasury securities	$	1,000	$	—	$	(22)	$	978
Obligations of state and political subdivisions (municipal securities)	1,668,494		1,411		(172,235)		1,497,670
Residential mortgage-related securities:
FNMA/FHLMC	916,966		25,024		(188,333)		753,657
GNMA	46,392		11		(3,866)		42,536
Private-label	335,148		8,955		(70,211)		273,892
Commercial mortgage-related securities:
FNMA/FHLMC	776,717		11,429		(157,363)		630,783
GNMA	54,403		289		(7,256)		47,436
Total HTM investment securities	$	3,799,119	$	47,119	$	(599,286)	$	3,246,952

The amortized cost and fair values of AFS and HTM securities at December 31, 2023 were as follows:

($ in thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized (Losses)		Fair Value
AFS investment securities
U.S. Treasury securities	$	39,984	$	—	$	(4,083)	$	35,902
Obligations of state and political subdivisions (municipal securities)	94,008		23		(2,214)		91,817
Residential mortgage-related securities:
FNMA/FHLMC	1,274,052		294		(153,552)		1,120,794
GNMA	2,021,242		24,254		(2,822)		2,042,675
Commercial mortgage-related securities:
FNMA/FHLMC	18,691		—		(1,755)		16,937
GNMA	161,928		—		(7,135)		154,793
Asset backed securities:
FFELP	135,832		5		(1,862)		133,975
SBA	1,077		2		(28)		1,051
Other debt securities	3,000		—		(50)		2,950
Total AFS investment securities	$	3,749,814	$	24,579	$	(173,501)	$	3,600,892
HTM investment securities
U.S. Treasury securities	$	999	$	—	$	(36)	$	963
Obligations of state and political subdivisions (municipal securities)	1,682,473		5,638		(134,053)		1,554,059
Residential mortgage-related securities:
FNMA/FHLMC	941,973		27,007		(164,587)		804,393
GNMA	48,979		92		(2,901)		46,170
Private-label	345,083		9,796		(65,372)		289,507
Commercial mortgage-related securities:
FNMA/FHLMC	780,995		12,699		(160,781)		632,914
GNMA	59,733		386		(7,500)		52,619
Total HTM investment securities	$	3,860,235	$	55,619	$	(535,230)	$	3,380,624

Amortized cost and fair values of investment securities by contractual maturity

The expected maturities of AFS and HTM securities at June 30, 2024, are shown below:

	AFS					HTM
($ in thousands)	Amortized Cost		Fair Value			Amortized Cost		Fair Value
Due in one year or less	$	2,000	$	1,983		$	6,288	$	6,240
Due after one year through five years	51,062		45,997			61,651		60,374
Due after five years through ten years	45,931		42,937			175,169		166,153
Due after ten years	26,868		26,201			1,426,386		1,265,882
Total debt securities	125,862		117,118			1,669,494		1,498,648
Residential mortgage-related securities:
FNMA/FHLMC	1,224,824		1,064,318			916,966		753,657
GNMA	2,450,628		2,440,808			46,392		42,536
Private-label	—		—			335,148		273,892
Commercial mortgage-related securities:
FNMA/FHLMC	18,513		17,283			776,717		630,783
GNMA	158,257		149,799			54,403		47,436
Asset backed securities:
FFELP	123,720		122,765			—		—
SBA	667		640			—		—
Total investment securities	$	4,102,470	$	3,912,730		$	3,799,119	$	3,246,952
Ratio of fair value to amortized cost			95.4		%			85.5		%

Debt Securities, Held-to-maturity, Credit Quality Indicator

The following table summarizes the credit quality indicators of HTM securities at amortized cost at June 30, 2024:

($ in thousands)	AAA		AA		A		Not Rated		Total
U.S. Treasury securities	$	1,000	$	—	$	—	$	—	$	1,000
Obligations of state and political subdivisions (municipal securities)	766,531		894,406		5,494		2,063		1,668,494
Residential mortgage-related securities:
FNMA/FHLMC	916,966		—		—		—		916,966
GNMA	46,392		—		—		—		46,392
Private-label	335,148		—		—		—		335,148
Commercial mortgage-related securities:
FNMA/FHLMC	776,717		—		—		—		776,717
GNMA	54,403		—		—		—		54,403
Total HTM securities	$	2,897,156	$	894,406	$	5,494	$	2,063	$	3,799,119

The following table summarizes the credit quality indicators of HTM securities at amortized cost at December 31, 2023:

($ in thousands)	AAA		AA		A		Not Rated		Total
U.S. Treasury securities	$	999	$	—	$	—	$	—	$	999
Obligations of state and political subdivisions (municipal securities)	760,329		915,303		5,687		1,155		1,682,473
Residential mortgage-related securities:
FNMA/FHLMC	941,973		—		—		—		941,973
GNMA	48,979		—		—		—		48,979
Private-label	345,083		—		—		—		345,083
Commercial mortgage-related securities:
FNMA/FHLMC	780,995		—		—		—		780,995
GNMA	59,733		—		—		—		59,733
Total HTM securities	$	2,938,090	$	915,303	$	5,687	$	1,155	$	3,860,235

Realized gains and losses and proceeds from sale

The following table summarizes gross realized gains and losses on AFS securities, the gain on sale and net write-up of equity securities, and proceeds from the sale of AFS investment securities for the three and six months ended June 30, 2024 and 2023:

	Three Months Ended Jun 30,				Six Months Ended Jun 30,
($ in thousands)	2024		2023		2024		2023
Gross realized (losses) on AFS securities	$	—	$	—	$	(197)	$	—
Gain on sale and net write-up (down) of equity securities	67		14		4,143		66
Investment securities gains, net	$	67	$	14	$	3,947	$	66
Proceeds from sales of AFS investment securities	$	—	$	—	$	9,472	$	—

During the first quarter of 2024, the Corporation sold its remaining Visa Class B restricted shares at a gain of $4 million.

Unrealized losses and fair value of available for sale and held to maturity securities, by investment category and time length

The following represents gross unrealized losses and the related fair value of AFS and HTM securities, aggregated by investment category and length of time individual securities have been in a continuous unrealized loss position, at June 30, 2024:

	Less than 12 months					12 months or more					Total
($ in thousands)	Number of Securities	Unrealized (Losses)		Fair Value		Number of Securities	Unrealized (Losses)		Fair Value		Unrealized (Losses)		Fair Value
AFS investment securities
U.S. Treasury securities	—	$	—	$	—	1	$	(4,349)	$	35,638	$	(4,349)	$	35,638
Obligations of state and political subdivisions (municipal securities)	25	(383)		11,594		112	(3,986)		65,278		(4,369)		76,872
Residential mortgage-related securities:
FNMA/FHLMC	17	(373)		25,524		87	(160,306)		1,025,295		(160,678)		1,050,819
GNMA	75	(8,837)		1,396,637		18	(4,709)		167,297		(13,545)		1,563,934
Commercial mortgage-related securities:
FNMA/FHLMC	—	—		—		1	(1,230)		17,283		(1,230)		17,283
GNMA	—	—		—		31	(8,458)		149,799		(8,458)		149,799
Asset backed securities:
FFELP	2	(72)		38,384		12	(925)		71,409		(998)		109,792
SBA	—	—		—		5	(27)		612		(27)		612
Other debt securities	—	—		—		3	(27)		2,973		(27)		2,973
Total	119	$	(9,664)	$	1,472,139	270	$	(184,017)	$	1,535,583	$	(193,681)	$	3,007,721
HTM investment securities
U.S. Treasury securities	—	$	—	$	—	1	$	(22)	$	978	$	(22)	$	978
Obligations of state and political subdivisions (municipal securities)	360	(8,558)		443,724		688	(163,676)		929,232		(172,235)		1,372,956
Residential mortgage-related securities:
FNMA/FHLMC	5	(52)		2,581		114	(188,281)		750,852		(188,333)		753,432
GNMA	6	(138)		8,508		80	(3,729)		34,028		(3,866)		42,536
Private-label	—	—		—		18	(70,211)		273,892		(70,211)		273,892
Commercial mortgage-related securities:
FNMA/FHLMC	—	—		—		45	(157,363)		630,783		(157,363)		630,783
GNMA	—	—		—		13	(7,256)		47,436		(7,256)		47,436
Total	371	$	(8,747)	$	454,813	959	$	(590,538)	$	2,667,200	$	(599,286)	$	3,122,012

For comparative purposes, the following represents gross unrealized losses and the related fair value of AFS and HTM securities, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position, at December 31, 2023:

	Less than 12 months					12 months or more					Total
($ in thousands)	Number of Securities	Unrealized (Losses)		Fair Value		Number of Securities	Unrealized (Losses)		Fair Value		Unrealized (Losses)		Fair Value
AFS investment securities
U.S. Treasury securities	—	$	—	$	—	1	$	(4,083)	$	35,902	$	(4,083)	$	35,902
Obligations of state and political subdivisions (municipal securities)	41	(347)		23,762		92	(1,867)		53,022		(2,214)		76,784
Residential mortgage-related securities:
FNMA/FHLMC	18	(333)		22,870		71	(153,219)		1,080,337		(153,552)		1,103,207
GNMA	13	(924)		156,847		5	(1,898)		26,643		(2,822)		183,490
Commercial mortgage-related securities:
FNMA/FHLMC	—	—		—		1	(1,755)		16,937		(1,755)		16,937
GNMA	9	(3,160)		103,055		22	(3,975)		51,738		(7,135)		154,793
Asset backed securities:
FFELP	—	—		—		14	(1,862)		125,339		(1,862)		125,339
SBA	—	—		—		5	(28)		761		(28)		761
Other debt securities	1	(9)		991		2	(42)		1,958		(50)		2,950
Total	82	$	(4,773)	$	307,527	213	$	(168,728)	$	1,392,635	$	(173,501)	$	1,700,162
HTM investment securities
U.S. Treasury securities	—	$	—	$	—	1	$	(36)	$	963	$	(36)	$	963
Obligations of state and political subdivisions (municipal securities)	182	(1,535)		180,270		537	(132,518)		792,940		(134,053)		973,210
Residential mortgage-related securities:
FNMA/FHLMC	20	(511)		30,323		94	(164,076)		771,042		(164,587)		801,365
GNMA	2	(17)		2,128		78	(2,884)		34,626		(2,901)		36,754
Private-label	—	—		—		18	(65,372)		289,507		(65,372)		289,507
Commercial mortgage-related securities:
FNMA/FHLMC	1	(121)		8,144		44	(160,660)		624,770		(160,781)		632,914
GNMA	—	—		—		13	(7,500)		52,619		(7,500)		52,619
Total	205	$	(2,184)	$	220,865	785	$	(533,046)	$	2,566,468	$	(535,230)	$	2,787,333

XML

Loans Loans (Tables)

6 Months Ended

Jun. 30, 2024

Receivables [Abstract]

Loan composition

The period end loan composition was as follows:

($ in thousands)	Jun 30, 2024		Dec 31, 2023
Commercial and industrial	$	9,970,412	$	9,731,555
Commercial real estate — owner occupied	1,102,146		1,061,700
Commercial and business lending	11,072,558		10,793,255
Commercial real estate — investor	5,001,392		5,124,245
Real estate construction	2,255,637		2,271,398
Commercial real estate lending	7,257,029		7,395,644
Total commercial	18,329,587		18,188,898
Residential mortgage	7,840,073		7,864,891
Auto finance	2,556,009		2,256,162
Home equity	634,142		628,526
Other consumer	258,460		277,740
Total consumer	11,288,684		11,027,319
Total loans	$	29,618,271	$	29,216,218

Loans, Credit Quality Indicator by Vintage Year

The following table presents loans by credit quality indicator by origination year at June 30, 2024:

					Term Loans Amortized Cost Basis by Origination Year(a)
($ in thousands)	Rev Loans Converted to Term(a)		Rev Loans Amortized Cost Basis		YTD 2024		2023		2022		2021		2020		Prior		Total
Commercial and industrial:
Risk rating:
Pass	$	894	$	1,892,814	$	945,926	$	1,686,429	$	2,640,605	$	1,440,357	$	327,541	$	669,712	$	9,603,384
Special mention	15		33,301		200		10,597		3,565		26,148		—		—		73,811
Substandard	4,450		33,557		58,653		17,654		74,835		70,837		15,389		1,101		272,027
Nonaccrual	550		—		628		4,291		13,591		2,680		—		—		21,190
Commercial and industrial	$	5,910	$	1,959,672	$	1,005,407	$	1,718,971	$	2,732,596	$	1,540,022	$	342,931	$	670,813	$	9,970,412
Commercial real estate - owner occupied:
Risk rating:
Pass	$	—	$	10,090	$	94,971	$	195,479	$	180,063	$	230,991	$	129,599	$	207,113	$	1,048,306
Substandard	—		1,082		11,518		18,592		2,332		4,456		6,136		7,874		51,989
Nonaccrual	—		—		291		1,559		—		—		—		—		1,851
Commercial real estate - owner occupied	$	—	$	11,172	$	106,780	$	215,630	$	182,396	$	235,446	$	135,735	$	214,987	$	1,102,146
Commercial and business lending:
Risk rating:
Pass	$	894	$	1,902,904	$	1,040,896	$	1,881,908	$	2,820,669	$	1,671,348	$	457,140	$	876,825	$	10,651,690
Special mention	15		33,301		200		10,597		3,565		26,148		—		—		73,811
Substandard	4,450		34,639		70,171		36,246		77,167		75,293		21,526		8,974		324,016
Nonaccrual	550		—		919		5,850		13,591		2,680		—		—		23,041
Commercial and business lending	$	5,910	$	1,970,844	$	1,112,187	$	1,934,601	$	2,914,992	$	1,775,468	$	478,666	$	885,799	$	11,072,558
Commercial real estate - investor:
Risk rating:
Pass	$	—	$	127,015	$	640,800	$	1,015,192	$	1,267,257	$	838,190	$	384,729	$	479,713	$	4,752,897
Special mention	—		327		—		—		2,480		4,790		—		4,721		12,318
Substandard	—		—		40,381		76,079		36,228		23,571		—		11,669		187,928
Nonaccrual	—		—		18,374		24,115		—		5,760		—		—		48,249
Commercial real estate - investor	$	—	$	127,342	$	699,555	$	1,115,386	$	1,305,965	$	872,312	$	384,729	$	496,103	$	5,001,392
Real estate construction:
Risk rating:
Pass	$	—	$	23,785	$	113,941	$	453,799	$	1,121,881	$	463,239	$	26,048	$	11,480	$	2,214,172
Special mention	—		—		—		—		27,953		—		—		—		27,953
Substandard	—		—		—		—		13,495		—		—		—		13,495
Nonaccrual	—		—		—		—		—		—		—		16		16
Real estate construction	$	—	$	23,785	$	113,941	$	453,799	$	1,163,329	$	463,239	$	26,048	$	11,496	$	2,255,637
Commercial real estate lending:
Risk rating:
Pass	$	—	$	150,800	$	754,741	$	1,468,991	$	2,389,137	$	1,301,429	$	410,777	$	491,193	$	6,967,069
Special mention	—		327		—		—		30,433		4,790		—		4,721		40,271
Substandard	—		—		40,381		76,079		49,724		23,571		—		11,669		201,424
Nonaccrual	—		—		18,374		24,115		—		5,760		—		16		48,265
Commercial real estate lending	$	—	$	151,127	$	813,496	$	1,569,185	$	2,469,294	$	1,335,551	$	410,777	$	507,599	$	7,257,029
Total commercial:
Risk rating:
Pass	$	894	$	2,053,704	$	1,795,638	$	3,350,899	$	5,209,806	$	2,972,777	$	867,918	$	1,368,018	$	17,618,759
Special mention	15		33,628		200		10,597		33,999		30,938		—		4,721		114,082
Substandard	4,450		34,639		110,552		112,324		126,891		98,864		21,526		20,643		525,439
Nonaccrual	550		—		19,293		29,966		13,591		8,440		—		16		71,306
Total commercial	$	5,910	$	2,121,971	$	1,925,683	$	3,503,786	$	5,384,286	$	3,111,019	$	889,443	$	1,393,398	$	18,329,587

					Term Loans Amortized Cost Basis by Origination Year(a)
($ in thousands)	Rev Loans Converted to Term(a)		Rev Loans Amortized Cost Basis		YTD 2024		2023		2022		2021		2020		Prior		Total
Residential mortgage:
Risk rating:
Pass	$	—	$	—	$	59,996	$	442,905	$	1,665,096	$	2,058,192	$	1,366,320	$	2,178,474	$	7,770,983
Special mention	—		—		—		—		—		—		—		287		287
Substandard	—		—		—		458		92		—		—		196		745
Nonaccrual	—		—		982		1,621		10,987		9,853		8,214		36,402		68,058
Residential mortgage	$	—	$	—	$	60,978	$	444,983	$	1,676,175	$	2,068,045	$	1,374,533	$	2,215,359	$	7,840,073
Auto finance:
Risk rating:
Pass	$	—	$	—	$	650,646	$	1,035,480	$	798,751	$	61,750	$	114	$	225	$	2,546,966
Special mention	—		—		101		674		1,072		170		—		—		2,018
Substandard	—		—		—		36		2		—		—		—		39
Nonaccrual	—		—		82		1,767		4,617		519		—		—		6,986
Auto finance	$	—	$	—	$	650,830	$	1,037,958	$	804,442	$	62,440	$	114	$	225	$	2,556,009
Home equity:
Risk rating:
Pass	$	5,512	$	532,317	$	261	$	1,660	$	28,051	$	5,925	$	2,051	$	54,824	$	625,089
Special mention	246		226		—		59		37		75		18		603		1,018
Substandard	—		—		—		8		—		—		—		32		40
Nonaccrual	698		161		30		10		576		174		219		6,827		7,996
Home equity	$	6,456	$	532,704	$	291	$	1,737	$	28,664	$	6,174	$	2,288	$	62,285	$	634,142
Other consumer:
Risk rating:
Pass	$	72	$	186,582	$	6,751	$	4,511	$	2,586	$	1,254	$	679	$	53,504	$	255,867
Special mention	4		726		—		—		11		14		1		4		757
Substandard	—		1,759		—		—		—		—		—		—		1,759
Nonaccrual	5		49		—		8		7		4		—		9		77
Other consumer	$	81	$	189,115	$	6,751	$	4,519	$	2,605	$	1,272	$	681	$	53,518	$	258,460
Total consumer:
Risk rating:
Pass	$	5,584	$	718,898	$	717,655	$	1,484,555	$	2,494,485	$	2,127,121	$	1,369,163	$	2,287,027	$	11,198,905
Special mention	250		952		101		734		1,120		259		20		893		4,080
Substandard	—		1,759		—		502		94		—		—		228		2,583
Nonaccrual	704		209		1,094		3,406		16,186		10,550		8,433		43,238		83,117
Total consumer	$	6,537	$	721,819	$	718,850	$	1,489,197	$	2,511,886	$	2,137,930	$	1,377,616	$	2,331,386	$	11,288,684
Total loans:
Risk rating:
Pass	$	6,478	$	2,772,602	$	2,513,293	$	4,835,454	$	7,704,291	$	5,099,898	$	2,237,081	$	3,655,045	$	28,817,664
Special mention	265		34,580		301		11,331		35,119		31,197		20		5,614		118,162
Substandard	4,450		36,398		110,552		112,826		126,985		98,864		21,526		20,871		528,022
Nonaccrual	1,254		209		20,387		33,372		29,777		18,990		8,433		43,255		154,423
Total loans	$	12,447	$	2,843,790	$	2,644,533	$	4,992,983	$	7,896,172	$	5,248,950	$	2,267,059	$	3,724,785	$	29,618,271

(a) Revolving loans converted to term loans are those converted during the reporting period and are also reported in their year of origination.

The following table presents loans by credit quality indicator by origination year at December 31, 2023:

					Term Loans Amortized Cost Basis by Origination Year(a)
($ in thousands)	Rev Loans Converted to Term(a)		Rev Loans Amortized Cost Basis		2023		2022		2021		2020		2019		Prior		Total
Commercial and industrial:
Risk rating:
Pass	$	1,380	$	1,693,249	$	1,736,617	$	2,877,173	$	1,824,362	$	398,046	$	383,695	$	449,006	$	9,362,149
Special mention	—		21,779		4,017		46,610		8,525		3,529		—		25,341		109,801
Substandard	804		81,924		10,515		39,748		47,279		17,732		94		291		197,582
Nonaccrual	6,414		—		13,317		14,188		33,891		627		—		—		62,022
Commercial and industrial	$	8,598	$	1,796,951	$	1,764,466	$	2,977,719	$	1,914,057	$	419,934	$	383,789	$	474,638	$	9,731,555
Commercial real estate - owner occupied:
Risk rating:
Pass	$	—	$	15,393	$	204,039	$	188,003	$	239,218	$	136,535	$	135,730	$	92,339	$	1,011,259
Special mention	—		271		—		—		6,150		2,635		—		1,293		10,349
Substandard	—		292		14,735		2,791		6,416		8,537		3,086		2,841		38,699
Nonaccrual	—		—		1,394		—		—		—		—		—		1,394
Commercial real estate - owner occupied	$	—	$	15,957	$	220,168	$	190,794	$	251,783	$	147,708	$	138,816	$	96,473	$	1,061,700
Commercial and business lending:
Risk rating:
Pass	$	1,380	$	1,708,642	$	1,940,657	$	3,065,177	$	2,063,580	$	534,581	$	519,426	$	541,345	$	10,373,408
Special mention	—		22,050		4,017		46,610		14,675		6,164		—		26,634		120,150
Substandard	804		82,216		25,250		42,539		53,695		26,269		3,180		3,132		236,281
Nonaccrual	6,414		—		14,710		14,188		33,891		627		—		—		63,416
Commercial and business lending	$	8,598	$	1,812,909	$	1,984,635	$	3,168,514	$	2,165,840	$	567,642	$	522,606	$	571,111	$	10,793,255
Commercial real estate - investor:
Risk rating:
Pass	$	—	$	155,109	$	1,263,866	$	1,247,434	$	1,080,425	$	471,371	$	358,996	$	239,230	$	4,816,433
Special mention	—		502		4,248		25,474		26,208		—		29,772		6,014		92,218
Substandard	—		—		106,002		69,584		15,000		983		—		24,025		215,595
Commercial real estate - investor	$	—	$	155,611	$	1,374,116	$	1,342,492	$	1,121,633	$	472,355	$	388,768	$	269,269	$	5,124,245
Real estate construction:
Risk rating:
Pass	$	—	$	23,307	$	422,277	$	1,176,608	$	547,825	$	87,680	$	5,740	$	7,954	$	2,271,392
Nonaccrual	—		—		—		—		—		—		—		6		6
Real estate construction	$	—	$	23,307	$	422,277	$	1,176,608	$	547,825	$	87,680	$	5,740	$	7,960	$	2,271,398
Commercial real estate lending:
Risk rating:
Pass	$	—	$	178,416	$	1,686,143	$	2,424,042	$	1,628,250	$	559,052	$	364,737	$	247,184	$	7,087,824
Special mention	—		502		4,248		25,474		26,208		—		29,772		6,014		92,218
Substandard	—		—		106,002		69,584		15,000		983		—		24,025		215,595
Nonaccrual	—		—		—		—		—		—		—		6		6
Commercial real estate lending	$	—	$	178,918	$	1,796,393	$	2,519,100	$	1,669,458	$	560,035	$	394,508	$	277,230	$	7,395,644

					Term Loans Amortized Cost Basis by Origination Year(a)
($ in thousands)	Rev Loans Converted to Term(a)		Rev Loans Amortized Cost Basis		2023		2022		2021		2020		2019		Prior		Total
Total commercial:
Risk rating:
Pass	$	1,380	$	1,887,058	$	3,626,800	$	5,489,219	$	3,691,830	$	1,093,633	$	884,162	$	788,529	$	17,461,232
Special mention	—		22,552		8,265		72,084		40,882		6,164		29,772		32,648		212,368
Substandard	804		82,216		131,253		112,123		68,695		27,253		3,180		27,157		451,876
Nonaccrual	6,414		—		14,710		14,188		33,891		627		—		6		63,422
Total commercial	$	8,598	$	1,991,827	$	3,781,028	$	5,687,614	$	3,835,298	$	1,127,677	$	917,114	$	848,341	$	18,188,898
Residential mortgage:
Risk rating:
Pass	$	—	$	—	$	352,321	$	1,617,409	$	2,110,577	$	1,414,186	$	647,778	$	1,650,542	$	7,792,813
Special mention	—		—		—		—		—		—		95		57		152
Substandard	—		—		490		93		—		—		174		26		784
Nonaccrual	—		—		1,425		9,567		9,259		10,397		6,628		33,865		71,142
Residential mortgage	$	—	$	—	$	354,236	$	1,627,070	$	2,119,836	$	1,424,583	$	654,675	$	1,684,490	$	7,864,891
Auto finance:
Risk rating:
Pass	$	—	$	—	$	1,218,820	$	952,839	$	75,209	$	163	$	456	$	132	$	2,247,618
Special mention	—		—		619		1,850		205		—		—		—		2,674
Substandard	—		—		—		73		—		—		—		—		73
Nonaccrual	—		—		1,032		4,332		430		—		3		—		5,797
Auto finance	$	—	$	—	$	1,220,471	$	959,094	$	75,844	$	163	$	458	$	132	$	2,256,162
Home equity:
Risk rating:
Pass	$	8,703	$	521,000	$	1,678	$	29,863	$	6,084	$	2,327	$	4,891	$	53,350	$	619,192
Special mention	179		200		—		87		—		29		15		378		708
Substandard	10		75		10		—		—		—		33		—		118
Nonaccrual	1,302		160		29		495		132		144		368		7,180		8,508
Home equity	$	10,195	$	521,434	$	1,717	$	30,445	$	6,217	$	2,500	$	5,308	$	60,907	$	628,526
Other consumer:
Risk rating:
Pass	$	121	$	196,632	$	6,419	$	3,732	$	2,658	$	1,127	$	460	$	64,121	$	275,149
Special mention	26		843		9		—		3		20		—		6		881
Substandard	—		1,582		—		—		—		—		—		—		1,582
Nonaccrual	27		71		10		1		6		2		8		29		128
Other consumer	$	174	$	199,129	$	6,438	$	3,733	$	2,668	$	1,149	$	468	$	64,156	$	277,740
Total consumer:
Risk rating:
Pass	$	8,824	$	717,632	$	1,579,238	$	2,603,843	$	2,194,529	$	1,417,802	$	653,584	$	1,768,145	$	10,934,773
Special mention	205		1,043		628		1,936		208		49		110		441		4,416
Substandard	10		1,656		500		166		—		—		207		26		2,556
Nonaccrual	1,330		231		2,496		14,396		9,827		10,544		7,007		41,073		85,574
Total consumer	$	10,369	$	720,563	$	1,582,862	$	2,620,341	$	2,204,564	$	1,428,395	$	660,909	$	1,809,685	$	11,027,319
Total loans:
Risk rating:
Pass	$	10,204	$	2,604,690	$	5,206,038	$	8,093,062	$	5,886,359	$	2,511,435	$	1,537,747	$	2,556,674	$	28,396,005
Special mention	205		23,595		8,893		74,020		41,091		6,213		29,882		33,089		216,784
Substandard	814		83,872		131,753		112,289		68,695		27,253		3,387		27,183		454,432
Nonaccrual	7,744		231		17,206		28,584		43,718		11,170		7,007		41,080		148,997
Total loans	$	18,966	$	2,712,389	$	5,363,890	$	8,307,956	$	6,039,862	$	2,556,071	$	1,578,023	$	2,658,026	$	29,216,218

(a) Revolving loans converted to term loans are those converted during the reporting period and are also reported in their year of origination.

The following table presents gross charge offs by origination year for the six months ended June 30, 2024:

			Gross Charge Offs by Origination Year
($ in thousands)	Rev Loans Amortized Cost Basis		2024		2023		2022		2021		2020		Prior		Total
Commercial and industrial	$	1,930	$	128	$	8,172	$	553	$	22,921	$	3	$	—	$	33,708
Commercial real estate-owner occupied	—		—		—		—		—		—		3		3
Commercial and business lending	1,930		128		8,172		553		22,921		3		3		33,710
Commercial real estate-investor	—		—		—		—		4,569		—		—		4,569
Commercial real estate lending	—		—		—		—		4,569		—		—		4,569
Total commercial	1,930		128		8,172		553		27,490		3		3		38,279
Residential mortgage	—		—		58		60		7		32		267		423
Auto finance	—		53		1,549		3,100		294		—		—		4,996
Home equity	93		—		—		9		—		8		37		147
Other consumer	3,281		3		41		44		28		38		29		3,463
Total consumer	3,374		56		1,648		3,213		329		78		332		9,029
Total gross charge offs	$	5,304	$	184	$	9,820	$	3,766	$	27,819	$	81	$	335	$	47,308

The following table presents gross charge offs by origination year for the year ended December 31, 2023:

			Gross Charge Offs by Origination Year
($ in thousands)	Rev Loans Amortized Cost Basis		2023		2022		2021		2020		2019		Prior		Total
Commercial and industrial	$	4,130	$	717	$	9,594	$	25,270	$	5,958	$	—	$	18	$	45,687
Commercial real estate-owner occupied	—		—		—		—		—		25		—		25
Commercial and business lending	4,130		717		9,594		25,270		5,958		25		18		45,713
Commercial real estate-investor	—		—		—		—		—		—		252		252
Real estate construction	—		—		—		—		—		—		25		25
Commercial real estate lending	—		—		—		—		—		—		277		277
Total commercial	4,130		717		9,594		25,270		5,958		25		295		45,989
Residential mortgage	—		2		32		42		148		5		723		952
Auto finance	—		795		4,524		626		—		5		—		5,950
Home equity	53		21		3		31		—		22		294		424
Other consumer	4,884		—		72		124		131		72		170		5,453
Total consumer	4,937		818		4,630		823		279		105		1,187		12,779
Total gross charge offs	$	9,068	$	1,535	$	14,224	$	26,093	$	6,237	$	130	$	1,482	$	58,768

Loans, Past Due Status

The following table presents loans by past due status at June 30, 2024:

	Accruing
($ in thousands)	Current		30-59 Days Past Due		60-89 Days Past Due		90+ Days Past Due		Nonaccrual(a)(b)		Total
Commercial and industrial	$	9,946,786	$	1,830	$	222	$	384	$	21,190	$	9,970,412
Commercial real estate - owner occupied	1,100,295		—		—		—		1,851		1,102,146
Commercial and business lending	11,047,081		1,830		222		384		23,041		11,072,558
Commercial real estate - investor	4,952,120		1,023		—		—		48,249		5,001,392
Real estate construction	2,255,621		—		—		—		16		2,255,637
Commercial real estate lending	7,207,741		1,023		—		—		48,265		7,257,029
Total commercial	18,254,821		2,853		222		384		71,306		18,329,587
Residential mortgage	7,761,641		10,087		287		—		68,058		7,840,073
Auto finance	2,533,170		13,796		2,018		39		6,986		2,556,009
Home equity	622,452		2,677		1,018		—		7,996		634,142
Other consumer	254,457		1,175		820		1,931		77		258,460
Total consumer	11,171,720		27,735		4,143		1,970		83,117		11,288,684
Total loans	$	29,426,541	$	30,587	$	4,365	$	2,354	$	154,423	$	29,618,271

(a) Of the total nonaccrual loans, $63 million, or 41%, were current with respect to payment at June 30, 2024.

(b) No interest income was recognized on nonaccrual loans for the three and six months ended June 30, 2024. In addition, there were $13 million of nonaccrual loans for which there was no related ACLL at June 30, 2024.

The following table presents loans by past due status at December 31, 2023:

	Accruing
($ in thousands)	Current		30-59 Days Past Due		60-89 Days Past Due		90+ Days  Past Due		Nonaccrual(a)(b)		Total
Commercial and industrial	$	9,663,587	$	5,374	$	191	$	380	$	62,022	$	9,731,555
Commercial real estate - owner occupied	1,059,948		—		358		—		1,394		1,061,700
Commercial and business lending	10,723,536		5,374		549		380		63,416		10,793,255
Commercial real estate - investor	5,086,117		—		18,697		19,432		—		5,124,245
Real estate construction	2,271,392		—		—		—		6		2,271,398
Commercial real estate lending	7,357,509		—		18,697		19,432		6		7,395,644
Total commercial	18,081,044		5,374		19,246		19,812		63,422		18,188,898
Residential mortgage	7,780,304		13,294		152		—		71,142		7,864,891
Auto finance	2,232,906		14,712		2,674		73		5,797		2,256,162
Home equity	615,810		3,500		708		—		8,508		628,526
Other consumer	273,644		1,233		932		1,803		128		277,740
Total consumer	10,902,664		32,739		4,467		1,876		85,574		11,027,319
Total loans	$	28,983,708	$	38,113	$	23,712	$	21,689	$	148,997	$	29,216,218

(a) Of the total nonaccrual loans, $80 million, or 53%, were current with respect to payment at December 31, 2023.

(b) No interest income was recognized on nonaccrual loans for the year ended December 31, 2023. In addition, there were $23 million of nonaccrual loans for which there was no related ACLL at December 31, 2023.

Loans, Modifications

The following tables show the composition of loan modifications made to borrowers experiencing financial difficulty by the loan portfolio and type of concessions granted during the three and six months ended June 30, 2024 and June 30, 2023. Each of the types of concessions granted comprised less than 1% of their respective classes of loan portfolios at June 30, 2024.

	Interest Rate Concession
	Amortized Cost
	Three Months Ended Jun 30,				Six Months Ended Jun 30,
($ in thousands)	2024		2023		2024		2023
Commercial and industrial	$	161	$	122	$	298	$	168
Auto	139		21		144		80
Home equity	—		47		—		78
Other consumer	631		489		1,110		988
Total loans modified	$	930	$	679	$	1,552	$	1,314

	Term Extension
	Amortized Cost
	Three Months Ended Jun 30,				Six Months Ended Jun 30,
($ in thousands)	2024		2023		2024		2023
Residential mortgage	$	—	$	—	$	—	$	208
Home equity	—		27		—		27
Total loans modified	$	—	$	27	$	—	$	235

	Combination - Interest Rate Concession and Term Extension
	Amortized Cost
	Three Months Ended Jun 30,				Six Months Ended Jun 30,
($ in thousands)	2024		2023		2024		2023
Residential mortgage	$	—	$	356	$	641	$	519
Home equity	—		77		30		168
Total loans modified	$	—	$	432	$	670	$	687

The following tables summarize, by loan portfolio, the financial effect of the Corporation's loan modifications on the modified loans as of June 30, 2024 and June 30, 2023:

	Interest Rate Concession
	Financial Effect, Weighted Average Contractual Interest Rate (Decrease) Increase(a)
	Three Months Ended Jun 30,				Six Months Ended Jun 30,
Loan Type	2024		2023		2024		2023
Commercial and industrial	(19)	%	(18)	%	(17)	%	(17)	%
Residential mortgage	—	%	2	%	3	%	2	%
Auto	(8)	%	(9)	%	(8)	%	(4)	%
Home equity	—	%	2	%	(3)	%	—	%
Other consumer	(22)	%	(21)	%	(22)	%	(20)	%
Weighted average of total loans modified	(18)	%	(11)	%	(13)	%	(11)	%

(a) Due to market conditions, some interest rate concessions on floating rate loans may involve an increase in rate that was lower in comparison to the rate of increase for floating rate loans not modified.

	Term Extension
	Financial Effect, Weighted Average Term Increase(a)
	Three Months Ended Jun 30,		Six Months Ended Jun 30,
Loan Type	2024	2023	2024	2023
Residential mortgage	0 months	29 months	158 months	50 months
Home equity	0 months	113 months	64 months	110 months
Weighted average of total loans modified	0 months	48 months	153 months	63 months

Loans, Modifications in Last 12 Months, Performance

The following table depicts the performance of loans that have been modified in the twelve months ended June 30, 2024:

	Payment Status (Amortized Cost Basis)
($ in thousands)	Current		30-89 Days Past Due		90+ Days Past Due
Commercial and industrial	$	410	$	—	$	—
Residential mortgage	902		24		55
Auto	107		41		—
Home equity	139		—		—
Other consumer	1,615		—		—
Total loans modified	$	3,173	$	65	$	55

The following table depicts the performance of loans that have been modified in the six months ended June 30, 2023:

	Payment Status (Amortized Cost Basis)
($ in thousands)	Current		30-89 Days Past Due		90+ Days Past Due
Commercial and industrial	$	168	$	—	$	—
Residential mortgage	519		208		—
Auto	80		—		—
Home equity	264		—		9
Other consumer	988		—		—
Total loans modified	$	2,019	$	208	$	9

Loans, Modified, Subsequent Default

The following table provides the amortized cost of loan modifications by loan portfolio and type of concession that were modified in the previous twelve months and subsequently had a payment default during the six months ended June 30, 2024:

	Amortized Cost of Loan Modifications that Subsequently Defaulted
($ in thousands)	Interest Rate Concession		Term Extension		Combination Interest Rate Reduction and Term Extension
Auto	$	6	$	—	$	—
Total loans modified	$	6	$	—	$	—

The following table provides the amortized cost of loan modifications by loan portfolio and type of concession that were modified in the previous six months and subsequently had a payment default during the six months ended June 30, 2023:

	Amortized Cost of Loan Modifications that Subsequently Defaulted
($ in thousands)	Interest Rate Concession		Term Extension		Combination Interest Rate Reduction and Term Extension
Residential mortgage	$	—	$	201	$	128
Home equity	—		—		60
Total loans modified	$	—	$	201	$	187

Loans, Changes in AFLL by Portfolio Segment

The following table presents a summary of the changes in the ACLL by portfolio segment for the six months ended June 30, 2024:

($ in thousands)	Dec 31, 2023		Charge offs		Recoveries		Net Charge offs		Provision for credit losses		Jun 30, 2024		ACLL / Loans
Allowance for loan losses
Commercial and industrial	$	128,263	$	(33,708)	$	1,394	$	(32,314)	$	29,942	$	125,891
Commercial real estate — owner occupied	10,610		(3)		6		4		463		11,077
Commercial and business lending	138,873		(33,710)		1,400		(32,310)		30,405		136,968
Commercial real estate — investor	67,858		(4,569)		—		(4,569)		8,274		71,563
Real estate construction	53,554		—		58		58		2,285		55,897
Commercial real estate lending	121,412		(4,569)		58		(4,511)		10,559		127,459
Total commercial	260,285		(38,279)		1,458		(36,821)		40,963		264,427
Residential mortgage	37,808		(423)		72		(351)		(2,915)		34,542
Auto finance	24,961		(4,996)		1,422		(3,574)		6,383		27,770
Home equity	15,403		(147)		596		449		240		16,092
Other consumer	12,638		(3,463)		509		(2,954)		3,329		13,013
Total consumer	90,809		(9,029)		2,600		(6,429)		7,037		91,417
Total loans	$	351,094	$	(47,308)	$	4,058	$	(43,251)	$	48,000	$	355,844
Allowance for unfunded commitments
Commercial and industrial	$	13,319	$	—	$	—	$	—	$	(182)	$	13,137
Commercial real estate — owner occupied	149		—		—		—		20		169
Commercial and business lending	13,468		—		—		—		(162)		13,306
Commercial real estate — investor	480		—		—		—		113		593
Real estate construction	17,024		—		—		—		(1,241)		15,783
Commercial real estate lending	17,504		—		—		—		(1,128)		16,376
Total commercial	30,972		—		—		—		(1,290)		29,682
Home equity	2,629		—		—		—		(146)		2,483
Other consumer	1,174		—		—		—		436		1,610
Total consumer	3,803		—		—		—		290		4,093
Total loans	$	34,776	$	—	$	—	$	—	$	(1,000)	$	33,776
Allowance for credit losses on loans
Commercial and industrial	$	141,582	$	(33,708)	$	1,394	$	(32,314)	$	29,760	$	139,028	1.39	%
Commercial real estate — owner occupied	10,759		(3)		6		4		483		11,246		1.02	%
Commercial and business lending	152,341		(33,710)		1,400		(32,310)		30,243		150,274		1.36	%
Commercial real estate — investor	68,338		(4,569)		—		(4,569)		8,387		72,156		1.44	%
Real estate construction	70,578		—		58		58		1,043		71,680		3.18	%
Commercial real estate lending	138,916		(4,569)		58		(4,511)		9,430		143,835		1.98	%
Total commercial	291,257		(38,279)		1,458		(36,821)		39,673		294,109		1.60	%
Residential mortgage	37,808		(423)		72		(351)		(2,915)		34,542		0.44	%
Auto finance	24,961		(4,996)		1,422		(3,574)		6,383		27,770		1.09	%
Home equity	18,032		(147)		596		449		93		18,575		2.93	%
Other consumer	13,812		(3,463)		509		(2,954)		3,765		14,623		5.66	%
Total consumer	94,613		(9,029)		2,600		(6,429)		7,327		95,510		0.85	%
Total loans	$	385,870	$	(47,308)	$	4,058	$	(43,251)	$	47,000	$	389,620	1.32	%

The following table presents a summary of the changes in the ACLL by portfolio segment for the year ended December 31, 2023:

($ in thousands)	Dec 31, 2022		Charge offs		Recoveries		Net Charge offs		Provision for credit losses		Dec 31, 2023		ACLL / Loans
Allowance for loan losses
Commercial and industrial	$	119,076	$	(45,687)	$	3,015	$	(42,672)	$	51,859	$	128,263
Commercial real estate — owner occupied	9,475		(25)		11		(15)		1,150		10,610
Commercial and business lending	128,551		(45,713)		3,026		(42,687)		53,009		138,873
Commercial real estate — investor	54,398		(252)		3,016		2,763		10,697		67,858
Real estate construction	45,589		(25)		80		55		7,910		53,554
Commercial real estate lending	99,986		(277)		3,095		2,819		18,607		121,412
Total commercial	228,538		(45,989)		6,121		(39,868)		71,616		260,285
Residential mortgage	38,298		(952)		541		(411)		(79)		37,808
Auto finance	19,619		(5,950)		1,241		(4,709)		10,051		24,961
Home equity	14,875		(424)		1,262		837		(310)		15,403
Other consumer	11,390		(5,453)		978		(4,475)		5,723		12,638
Total consumer	84,182		(12,779)		4,021		(8,758)		15,384		90,809
Total loans	$	312,720	$	(58,768)	$	10,142	$	(48,626)	$	87,000	$	351,094
Allowance for unfunded commitments
Commercial and industrial	$	12,997	$	—	$	—	$	—	$	321	$	13,319
Commercial real estate — owner occupied	103		—		—		—		46		149
Commercial and business lending	13,101		—		—		—		367		13,468
Commercial real estate — investor	710		—		—		—		(230)		480
Real estate construction	20,583		—		—		—		(3,558)		17,024
Commercial real estate lending	21,292		—		—		—		(3,788)		17,504
Total commercial	34,393		—		—		—		(3,421)		30,972
Home equity	2,699		—		—		—		(70)		2,629
Other consumer	1,683		—		—		—		(509)		1,174
Total consumer	4,382		—		—		—		(579)		3,803
Total loans	$	38,776	$	—	$	—	$	—	$	(4,000)	$	34,776
Allowance for credit losses on loans
Commercial and industrial	$	132,073	$	(45,687)	$	3,015	$	(42,672)	$	52,181	$	141,582	1.45	%
Commercial real estate — owner occupied	9,579		(25)		11		(15)		1,195		10,759		1.01	%
Commercial and business lending	141,652		(45,713)		3,026		(42,687)		53,376		152,341		1.41	%
Commercial real estate — investor	55,108		(252)		3,016		2,763		10,467		68,338		1.33	%
Real estate construction	66,171		(25)		80		55		4,351		70,578		3.11	%
Commercial real estate lending	121,279		(277)		3,095		2,819		14,819		138,916		1.88	%
Total commercial	262,931		(45,989)		6,121		(39,868)		68,195		291,257		1.60	%
Residential mortgage	38,298		(952)		541		(411)		(79)		37,808		0.48	%
Auto finance	19,619		(5,950)		1,241		(4,709)		10,051		24,961		1.11	%
Home equity	17,574		(424)		1,262		837		(380)		18,032		2.87	%
Other consumer	13,073		(5,453)		978		(4,475)		5,214		13,812		4.97	%
Total consumer	88,565		(12,779)		4,021		(8,758)		14,805		94,613		0.86	%
Total loans	$	351,496	$	(58,768)	$	10,142	$	(48,626)	$	83,000	$	385,870	1.32	%

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Goodwill and Other Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2024

Goodwill and Intangible Assets Disclosure [Abstract]

Summary of core deposit intangibles and other intangibles

Changes in the gross carrying amount, accumulated amortization, and net book value for CDIs were as follows:

($ in thousands)	Six Months Ended Jun 30, 2024		Year Ended Dec 31, 2023
Core deposit intangibles
Gross carrying amount at the beginning of period	$	88,109	$	88,109
Accumulated amortization	(52,044)		(47,638)
Net book value	$	36,066	$	40,471
Amortization during the period	$	4,405	$	8,811

Summary of changes in balance of mortgage servicing rights asset and mortgage servicing rights valuation allowance

A summary of changes in the balance of the MSRs asset under the fair value measurement method for the six months ended June 30, 2024 and the year ended December 31, 2023 is as follows:

($ in thousands)	Six Months Ended Jun 30, 2024			Year Ended Dec 31, 2023
Mortgage servicing rights
Mortgage servicing rights at beginning of period	$	84,390		$	77,351
Additions	2,490			3,564
Paydowns	(3,808)			(7,185)
Valuation:
Change in fair value model assumptions	—			8,881
Changes in fair value of asset	2,567			1,778
Mortgage servicing rights at end of period	$	85,640		$	84,390
Portfolio of residential mortgage loans serviced for others (“servicing portfolio”)(a)	$	6,306,865		$	7,364,492
Mortgage servicing rights to servicing portfolio(a)	1.36		%	1.15		%

(a) During the fourth quarter of 2023, the Corporation transferred $969 million of residential mortgages into held for sale and subsequently sold them for $844 million. After sale, the servicing was retained for a short period until full servicing was transferred to the purchaser in January 2024.

Summary of estimated future amortization expense

The following table shows the estimated future amortization expense for CDIs and decay for MSRs:

($ in thousands)	Core Deposit Intangibles		Mortgage Servicing Rights
Six months ended December 31, 2024	$	4,405	$	4,853
2025	8,811		11,623
2026	8,811		11,487
2027	8,811		10,786
2028	3,485		9,750
2029	1,681		8,633
Beyond 2029	61		28,508
Total estimated amortization expense and MSRs decay	$	36,066	$	85,640

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Short and Long-Term Funding (Tables)

6 Months Ended

Jun. 30, 2024

Debt Disclosure [Abstract]

Breakdown of short & long-term debt balances

The following table presents the components of short-term funding (funding with original contractual maturities of one year or less), and long-term funding (funding with original contractual maturities greater than one year):

($ in thousands)	Jun 30, 2024		Dec 31, 2023
Short-term funding
Federal funds purchased	$	270,015	$	220,160
Securities sold under agreements to repurchase	89,524		106,620
Federal funds purchased and securities sold under agreements to repurchase	359,539		326,780
BTFP funding	500,000		—
Total short-term funding	$	859,539	$	326,780
Long-term funding
Corporation subordinated notes, at par	$	550,000	$	550,000
Discount and capitalized costs	(7,189)		(7,748)
Subordinated debt fair value hedge(a)	(7,037)		(1,366)
Finance leases	339		383
Total long-term funding	$	536,113	$	541,269
Total short and long-term funding, excluding FHLB advances	$	1,395,652	$	868,049
FHLB advances
Short-term FHLB advances	$	1,475,000	$	740,000
Long-term FHLB advances	1,211,867		1,209,907
FHLB advances fair value hedge(a)	(13,820)		(9,713)
Total FHLB advances	$	2,673,046	$	1,940,194
Total short and long-term funding	$	4,068,699	$	2,808,243

(a) For additional information on the fair value hedges, see Note 9.

Remaining contractual maturity of securities sold under agreements to repurchase

The remaining contractual maturity of the securities sold under agreements to repurchase on the consolidated balance sheets as of June 30, 2024 and December 31, 2023 are presented in the following table:

	Overnight and Continuous
($ in thousands)	Jun 30, 2024		Dec 31, 2023
Repurchase agreements
Agency mortgage-related securities	$	89,524	$	106,620

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Derivative and Hedging Activities (Tables)

6 Months Ended

Jun. 30, 2024

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Summary Of Other Derivative Instruments [Table Text Block]

	Jun 30, 2024								Dec 31, 2023
	Asset				Liability				Asset				Liability
($ in thousands)	Notional Amount		Fair Value		Notional Amount		Fair Value		Notional Amount		Fair Value		Notional Amount		Fair Value
Designated as hedging instruments:
Interest rate-related instruments(a)	$	1,250,000	$	3,036	$	2,050,000	$	12,880	$	2,300,000	$	8,075	$	550,000	$	930
Foreign currency exchange forwards	71,753		136		150,906		337		231,566		632		189,212		2,946
Total designated as hedging instruments			3,172				13,217				8,707				3,876
Not designated as hedging instruments:
Interest rate-related and other instruments	3,893,983		106,277		6,130,174		207,471		3,603,513		111,623		6,528,471		195,662
Foreign currency exchange forwards	89,957		2,700		276,412		2,514		87,526		2,954		135,654		2,746
Mortgage banking(b)	72,166		766		150,500		95		29,490		439		51,500		673
Total not designated as hedging instruments			109,744				210,081				115,016				199,082
Gross derivatives before netting			112,916				223,298				123,723				202,958
Less: Legally enforceable master netting agreements			8,328				8,328				18,234				18,234
Less: Cash collateral pledged/received			40,169				1,500				35,855				—
Total derivative instruments, after netting			$	64,418			$	213,470			$	69,634			$	184,724

(a) The notional amounts of the interest rate-related instruments designated as hedging instruments include forward starting interest rate swaps with an effective date ranging from December 1, 2024 to March 1, 2025, where the notional amounts on such swaps were $100 million for assets and $350 million for liabilities, and where the fair value on the assets and liabilities for those swaps were approximately $260,000 and $2 million, respectively.
(b) The notional amount of the mortgage derivative asset includes interest rate lock commitments, while the notional amount of the mortgage derivative liability includes forward commitments.

Balance Sheet Recording of Fair Value Hedge [Table Text Block]

The following table presents amounts that were recorded on the consolidated balance sheets related to cumulative basis adjustments for fair value hedges:

	Line Item in the Consolidated Balance Sheets in Which the Hedged Item is Included
	Carrying Amount of the Hedged Assets/(Liabilities)(a)		Cumulative Amount of Fair Value Hedging Adjustment Included in the Carrying Amount of the Hedged Assets/(Liabilities)		Carrying Amount of the Hedged Assets/(Liabilities)(a)		Cumulative Amount of Fair Value Hedging Adjustment Included in the Carrying Amount of the Hedged Assets/(Liabilities)
($ in thousands)	Jun 30, 2024				Dec 31, 2023
Other long-term funding	$	(542,963)	$	7,037	$	(548,634)	$	1,366
FHLB advances	(586,180)		13,820		(590,287)		9,713
Total	$	(1,129,143)	$	20,857	$	(1,138,921)	$	11,079

(a) Excludes hedged items where only foreign currency risk is the designated hedged risk. At June 30, 2024 and December 31, 2023, the carrying amount excluded for foreign currency denominated loans was $223 million and $421 million, respectively.

Schedule of cash flow hedging instruments, statements of financial performance and financial position location

The tables below identify the effect of fair value and cash flow hedge accounting on the Corporation's consolidated statements of income for the three and six months ended June 30, 2024 and 2023:

	Location and Amount Recognized on the Consolidated Statements of Income in Fair Value and Cash Flow Hedging Relationships
	Three months ended Jun 30,								Six Months Ended Jun 30,
	2024				2023				2024				2023
($ in thousands)	Interest Income		Interest Expense		Interest Income		Interest Expense		Interest Income		Interest Expense		Interest Income		Interest Expense
Total amounts of income/expense presented on the consolidated statements of income in which the effects of the fair value or cash flow hedges are recorded(a)	$	(4,805)	$	5,367	$	(3,376)	$	4,329	$	(9,668)	$	10,689	$	(4,697)	$	6,844
The effects of fair value and cash flow hedging: Impact on fair value hedging relationships in Subtopic 815-20
Interest contracts:
Hedged items	(36)		431		(57)		(20,375)		(76)		(9,779)		(115)		(9,651)
Derivatives designated as hedging instruments(a)	(4,769)		4,935		(3,319)		24,704		(9,592)		20,468		(4,581)		16,495

(a) Includes net settlements on the derivatives.

	Location and Amount Recognized on the Consolidated Statements of Income in Fair Value Hedging Relationships
	Three Months Ended Jun 30,				Six Months Ended Jun 30,
	2024		2023		2024		2023
($ in thousands)	Capital Markets, Net		Capital Markets, Net		Capital Markets, Net		Capital Markets, Net
Total amounts of income/expense presented on the consolidated statements of income in which the effects of the fair value hedges are recorded	$	—	$	—	$	—	$	—
The effects of fair value hedging: Impact on fair value hedging relationships in Subtopic 815-20
Foreign currency contracts:
Hedged items	(4,269)		7,587		(13,339)		9,389
Derivatives designated as hedging instruments	4,269		(7,587)		13,339		(9,389)

Schedule of Cash Flow Hedges Included in Accumulated Other Comprehensive Income (Loss) [Table Text Block]

The following table presents the effect of cash flow hedge accounting on accumulated other comprehensive income (loss) for the three and six months ended June 30, 2024 and 2023:

	Three Months Ended Jun 30,				Six Months Ended Jun 30,
($ in thousands)	2024		2023		2024		2023
Interest rate-related instruments designated as cash flow hedging instruments
Amount of (loss) recognized in OCI on cash flow hedge derivative(a)	$	(6,787)	$	(34,147)	$	(26,248)	$	(20,384)
Amount of loss reclassified from accumulated other comprehensive income (loss) into interest income(a)	4,769		3,319		9,592		4,581

(a) The entirety of (losses) recognized in OCI as well as the losses reclassified from accumulated other comprehensive income (loss) into interest income were included components in the assessment of hedge effectiveness.

Gain (loss) on derivative instruments not designated as hedging instruments

The table below identifies the effect of derivatives not designated as hedging instruments on the Corporation's consolidated statements of income for the three and six months ended June 30, 2024 and 2023:

	Consolidated Statements of Income Category of Gain / (Loss)  Recognized in Income	Three Months Ended Jun 30,				Six Months Ended Jun 30,
($ in thousands)		2024		2023		2024		2023
Derivative instruments
Interest rate-related and other instruments — customer and mirror, net	Capital markets, net	$	13	$	207	$	(58)	$	138
Interest rate-related instruments — MSRs hedge	Mortgage banking, net	(1,374)		(2,195)		(4,311)		326
Foreign currency exchange forwards	Capital markets, net	(140)		1,158		605		1,386
Interest rate lock commitments (mortgage)	Mortgage banking, net	100		93		327		345
Forward commitments (mortgage)	Mortgage banking, net	127		777		578		382

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Balance Sheet Offsetting (Tables)

6 Months Ended

Jun. 30, 2024

Offsetting [Abstract]

Balance sheet offsetting of derivative assets and liabilities

The following table presents the interest rate and foreign exchange assets and liabilities subject to an enforceable master netting arrangement as of June 30, 2024 and December 31, 2023. The interest rate and foreign exchange agreements the Corporation has with its commercial customers are not subject to an enforceable master netting arrangement and are therefore excluded from this table:

	Gross Amounts Recognized		Gross Amounts Subject to Master Netting Arrangements Offset on the Consolidated Balance Sheets				Net Amounts Presented on the Consolidated Balance Sheets		Gross Amounts Not Offset on the Consolidated Balance Sheets
($ in thousands)			Derivative Liabilities Offset		Cash Collateral Received				Security Collateral Received		Net  Amount
Derivative assets
June 30, 2024	$	92,570	$	(8,328)	$	(40,169)	$	44,072	$	(33,922)	$	10,150
December 31, 2023	87,075		(18,234)		(35,855)		32,985		(32,985)		—
	Gross Amounts Recognized		Gross Amounts Subject to Master Netting Arrangements Offset on the Consolidated Balance Sheets				Net Amounts Presented on the Consolidated Balance Sheets		Gross Amounts Not Offset on the Consolidated Balance Sheets
($ in thousands)			Derivative Assets Offset		Cash Collateral Pledged				Security Collateral Pledged		Net  Amount
Derivative liabilities
June 30, 2024	$	21,237	$	(8,328)	$	(1,500)	$	11,409	$	—	$	11,409
December 31, 2023	18,767		(18,234)		—		533		—		533

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Commitments, Off-Balance Sheet Arrangements, Legal Proceedings and Regulatory Matters (Tables)

6 Months Ended

Jun. 30, 2024

Commitments and Contingencies Disclosure [Abstract]

Summary of lending-related and other commitments

The following is a summary of lending-related commitments:

($ in thousands)	Jun 30, 2024		Dec 31, 2023
Commitments to extend credit, excluding commitments to originate residential mortgage loans held for sale(a)(b)	$	10,295,737	$	11,170,147
Commercial letters of credit(a)	1,118		3,697
Standby letters of credit(c)	252,475		212,029

(a) These off-balance sheet financial instruments are exercisable at the market rate prevailing at the date the underlying transaction will be completed and, thus, are deemed to have no current fair value, or the fair value is based on fees currently charged to enter into similar agreements and was not material at June 30, 2024 or December 31, 2023.

(b) Interest rate lock commitments to originate residential mortgage loans held for sale are considered derivative instruments and are disclosed in Note 9.

(c) Standby letters of credit are presented excluding participations. The Corporation has established a liability of $3 million at June 30, 2024, compared to $2 million at December 31, 2023, as an estimate of the fair value of these financial instruments.

Schedule Of Unfunded Commitments [Table Text Block]

The following table presents a summary of the changes in the allowance for unfunded commitments:

($ in thousands)	Six Months Ended Jun 30, 2024		Year Ended Dec 31, 2023
Allowance for unfunded commitments
Balance at beginning of period	$	34,776	$	38,776
Provision for unfunded commitments	(1,000)		(4,000)
Balance at end of period	$	33,776	$	34,776

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Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2024

Fair Value Disclosures [Abstract]

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]

The tables below present the Corporation’s financial instruments measured at fair value on a recurring basis and carrying amounts and estimated fair values of certain financial instruments as of June 30, 2024 and December 31, 2023, aggregated by the level in the fair value hierarchy within which those measurements fall:

	Jun 30, 2024
($ in thousands)	Carrying Amount		Fair Value		Level 1		Level 2		Level 3
Assets
Cash and due from banks	$	470,818	$	470,818	$	470,818	$	—	$	—
Interest-bearing deposits in other financial institutions	484,677		484,677		484,677		—		—
Federal funds sold and securities purchased under agreements to resell	3,600		3,600		3,600		—		—
AFS investment securities:
U.S. Treasury securities	35,638		35,638		35,638		—		—
Obligations of state and political subdivisions (municipal securities)	78,507		78,507		—		78,507		—
Residential mortgage-related securities:
FNMA / FHLMC	1,064,318		1,064,318		—		1,064,318		—
GNMA	2,440,808		2,440,808		—		2,440,808		—
Commercial mortgage-related securities:
FNMA / FHLMC	17,283		17,283		—		17,283		—
GNMA	149,799		149,799		—		149,799		—
Asset backed securities:
FFELP	122,765		122,765		—		122,765		—
SBA	640		640		—		640		—
Other debt securities	2,973		2,973		—		2,973		—
Total AFS investment securities	3,912,730		3,912,730		35,638		3,877,092		—
HTM investment securities:
U.S. Treasury securities	1,000		978		978		—		—
Obligations of state and political subdivisions (municipal securities), net	1,668,410		1,497,587		—		1,497,587		—
Residential mortgage-related securities:
FNMA / FHLMC	916,966		753,657		—		753,657		—
GNMA	46,392		42,536		—		42,536		—
Private-label	335,148		273,892		—		273,892		—
Commercial mortgage-related securities:
FNMA / FHLMC	776,717		630,783		—		630,783		—
GNMA	54,403		47,436		—		47,436		—
Total HTM investment securities, net	3,799,035		3,246,868		978		3,245,890		—
Equity securities:
Equity securities	10,444		10,444		10,382		—		62
Equity securities at NAV	12,500		12,500
Total equity securities	22,944		22,944
FHLB and Federal Reserve Bank stocks	212,102		212,102		—		212,102		—
Residential loans held for sale	83,795		83,795		—		83,795		—
Loans, net	29,208,547		27,884,450		—		—		27,884,450
Bank and corporate owned life insurance	683,451		683,451		—		683,451		—
Mortgage servicing rights, net	85,640		85,640		—		—		85,640
Interest rate-related instruments designated as hedging instruments(a)	3,036		3,036		—		3,036		—
Foreign currency exchange forwards designated as hedging instruments(a)	136		136		—		136		—
Interest rate-related and other instruments not designated as hedging instruments(a)	106,277		106,277		—		106,277		—
Foreign currency exchange forwards not designated as hedging instruments(a)	2,700		2,700		—		2,700		—
Interest rate lock commitments to originate residential mortgage loans held for sale	766		766		—		—		766
Total selected assets at fair value	$	39,080,255	$	37,203,991	$	1,006,092	$	8,214,480	$	27,970,919

(a) Figures are presented gross before netting. See Note 9 and Note 10 for information relating to the impact of offsetting derivative assets and liabilities and cash collateral with the
    same counterparty where there is a legally enforceable master netting agreement in place.

	Jun 30, 2024
($ in thousands)	Carrying Amount		Fair Value		Level 1		Level 2		Level 3
Liabilities
Deposits:
Noninterest-bearing demand	$	5,815,045	$	5,815,045	$	—	$	—	$	5,815,045
Savings	5,157,103		5,157,103		—		—		5,157,103
Interest-bearing demand	8,284,017		8,284,017		—		—		8,284,017
Money market	6,294,895		6,294,895		—		—		6,294,895
Brokered CDs(a)	4,061,578		4,061,578		—		4,061,578		—
Other time deposits(a)	3,078,401		3,078,401		—		3,078,401		—
Total deposits	32,691,039		32,691,039		—		7,139,979		25,551,061
Short-term funding:
Federal funds purchased and securities sold under agreements to repurchase	359,539		359,532		—		359,532		—
BTFP funding	500,000		497,973		—		497,973		—
Total short-term funding	859,539		857,505		—		857,505		—
FHLB advances	2,673,046		2,672,221		—		2,672,221		—
Other long-term funding	536,113		530,211		—		530,211		—
Standby letters of credit(b)	2,536		2,536		—		2,536		—
Interest rate-related instruments designated as hedging instruments(c)	12,880		12,880		—		12,880		—
Foreign currency exchange forwards designated as hedging instruments(c)	337		337		—		337		—
Interest rate-related and other instruments not designated as hedging instruments(c)	207,471		207,471		—		207,471		—
Foreign currency exchange forwards not designated as hedging instruments(c)	2,514		2,514		—		2,514		—
Forward commitments to sell residential mortgage loans	95		95		—		—		95
Total selected liabilities at fair value	$	36,985,572	$	36,976,810	$	—	$	11,425,654	$	25,551,156

(a) When the estimated fair value is less than the carrying value, the carrying value is reported as the fair value.
(b) The commitment on standby letters of credit was $252 million at June 30, 2024. See Note 11 for additional information on the standby letters of credit and for information on the fair value of lending-related commitments.
(c) Figures are presented gross before netting. See Note 9 and Note 10 for information relating to the impact of offsetting derivative assets and liabilities and cash collateral with the same counterparty where there is a legally enforceable master netting agreement in place.

	Dec 31, 2023
($ in thousands)	Carrying Amount		Fair Value		Level 1		Level 2		Level 3
Assets
Cash and due from banks	$	484,384	$	484,384	$	484,384	$	—	$	—
Interest-bearing deposits in other financial institutions	425,089		425,089		425,089		—		—
Federal funds sold and securities purchased under agreements to resell	14,350		14,350		14,350		—		—
AFS investment securities:
U.S. Treasury securities	35,902		35,902		35,902		—		—
Obligations of state and political subdivisions (municipal securities)	91,817		91,817		—		91,817		—
Residential mortgage-related securities:
FNMA / FHLMC	1,120,794		1,120,794		—		1,120,794		—
GNMA	2,042,675		2,042,675		—		2,042,675		—
Commercial mortgage-related securities:
FNMA / FHLMC	16,937		16,937		—		16,937		—
GNMA	154,793		154,793		—		154,793		—
Asset backed securities:
FFELP	133,975		133,975		—		133,975		—
SBA	1,051		1,051		—		1,051		—
Other debt securities	2,950		2,950		—		2,950		—
Total AFS investment securities	3,600,892		3,600,892		35,902		3,564,990		—
HTM investment securities:
U.S. Treasury securities	999		963		963		—		—
Obligations of state and political subdivisions (municipal securities), net	1,682,398		1,553,984		—		1,553,984		—
Residential mortgage-related securities:
FNMA / FHLMC	941,973		804,393		—		804,393		—
GNMA	48,979		46,170		—		46,170		—
Private-label	345,083		289,507		—		289,507		—
Commercial mortgage-related securities:
FNMA / FHLMC	780,995		632,914		—		632,914		—
GNMA	59,733		52,619		—		52,619		—
Total HTM investment securities, net	3,860,160		3,380,550		963		3,379,586		—
Equity securities:
Equity securities	31,651		31,651		6,883		—		24,769
Equity securities at NAV	10,000		10,000
Total equity securities	41,651		41,651
FHLB and Federal Reserve Bank stocks	229,171		229,171		—		229,171		—
Residential loans held for sale	33,011		33,011		—		33,011		—
Commercial loans held for sale	90,303		90,303		—		90,303		—
Loans, net	28,865,124		27,371,086		—		—		27,371,086
Bank and corporate owned life insurance	682,649		682,649		—		682,649		—
Mortgage servicing rights, net	84,390		84,390		—		—		84,390
Interest rate-related instruments designated as hedging instruments(a)	8,075		8,075		—		8,075		—
Foreign currency exchange forwards designated as hedging instruments(a)	632		632		—		632		—
Interest rate-related and other instruments not designated as hedging instruments(a)	111,623		111,623		—		111,623		—
Foreign currency exchange forwards not designated as hedging instruments(a)	2,954		2,954		—		2,954		—
Interest rate lock commitments to originate residential mortgage loans held for sale	439		439		—		—		439
Total selected assets at fair value	$	38,534,897	$	36,561,249	$	967,570	$	8,102,995	$	27,480,684

(a) Figures are presented gross before netting. See Note 9 and Note 10 for information relating to the impact of offsetting derivative assets and liabilities and cash collateral with the
    same counterparty where there is a legally enforceable master netting agreement in place.

	Dec 31, 2023
($ in thousands)	Carrying Amount		Fair Value		Level 1		Level 2		Level 3
Liabilities
Deposits:
Noninterest-bearing demand	$	6,119,956	$	6,119,956	$	—	$	—	$	6,119,956
Savings	4,835,701		4,835,701		—		—		4,835,701
Interest-bearing demand	8,843,967		8,843,967		—		—		8,843,967
Money market	6,330,453		6,330,453		—		—		6,330,453
Brokered CDs(a)	4,447,479		4,447,479		—		4,447,479		—
Other time deposits(a)	2,868,494		2,868,494		—		2,868,494		—
Total deposits	33,446,049		33,446,049		—		7,315,973		26,130,076
Federal funds purchased and securities sold under agreements to repurchase	326,780		326,757		—		326,757		—
FHLB advances	1,940,194		1,944,600		—		1,944,600		—
Other long-term funding	541,269		534,983		—		534,983		—
Standby letters of credit(b)	2,157		2,157		—		2,157		—
Interest rate-related instruments designated as hedging instruments(c)	930		930		—		930		—
Foreign currency exchange forwards designated as hedging instruments(c)	2,946		2,946		—		2,946		—
Interest rate-related and other instruments not designated as hedging instruments(c)	195,662		195,662		—		195,662		—
Foreign currency exchange forwards not designated as hedging instruments(c)	2,746		2,746		—		2,746		—
Forward commitments to sell residential mortgage loans	673		673		—		—		673
Total selected liabilities at fair value	$	36,459,407	$	36,457,504	$	—	$	10,326,755	$	26,130,749

(a) When the estimated fair value is less than the carrying value, the carrying value is reported as the fair value.

(b) The commitment on standby letters of credit was $212 million at December 31, 2023. See Note 11 for additional information on the standby letters of credit and for information on the fair value of lending-related commitments.

(c) Figures are presented gross before netting. See Note 9 and Note 10 for information relating to the impact of offsetting derivative assets and liabilities and cash collateral with the same counterparty where there is a legally enforceable master netting agreement in place.

Assets and liabilities measured at fair value using significant unobservable inputs (level 3)

The table below presents a rollforward of the consolidated balance sheets amounts for the six months ended June 30, 2024 and the year ended December 31, 2023, for the Corporation's mortgage derivatives measured on a recurring basis and classified within Level 3 of the fair value hierarchy:

($ in thousands)	Interest rate lock commitments to originate residential mortgage loans held for sale		Forward commitments to sell residential mortgage loans		Total
Balance December 31, 2022	$	86	$	46	$	40
New production	6,557		(1,816)		8,373
Closed loans / settlements	(4,171)		2,494		(6,665)
Other	(2,033)		(51)		(1,982)
Change in mortgage derivative	352		627		(274)
Balance December 31, 2023	$	439	$	673	$	(234)
New production	$	6,153	$	(1,414)	$	7,567
Closed loans / settlements	(3,857)		1,028		(4,885)
Other	(1,969)		(192)		(1,777)
Change in mortgage derivative	327		(578)		905
Balance June 30, 2024	$	766	$	95	$	671

Equity Securities without Readily Determinable Fair Value [Table Text Block]

The following table presents a rollforward of the fair value of Level 3 equity securities, for the six months ended June 30, 2024 and the year ended December 31, 2023, that are measured under the measurement alternative and the related adjustments recorded during the periods presented for those securities with observable price changes:

($ in thousands)
Fair value as of December 31, 2022	$	19,225
Gains recognized in investment securities gains, net	5,861
Purchases	11
Sales	(329)
Fair value as of December 31, 2023	$	24,769
Gains recognized in investment securities gains, net	$	4,054
Purchases	12
Sales	(28,772)
Fair value as of June 30, 2024	$	62

Assets and liabilities measured on nonrecurring basis at fair value

The table below presents the Corporation’s assets measured at fair value on a nonrecurring basis, aggregated by the level in the fair value hierarchy within which those measurements fall:

($ in thousands)	Fair Value Hierarchy	Fair Value		Consolidated Statements of Income Category of Adjustment Recognized in Income	Adjustment Recognized on the Consolidated Statements of Income(a)
Jun 30, 2024
Assets
Individually evaluated loans	Level 3	$	53,881	Provision for credit losses	$	22,095
OREO(b)	Level 2	192		Other noninterest expense / provision for credit losses(c)	263
Dec 31, 2024
Assets
Individually evaluated loans	Level 3	$	47,221	Provision for credit losses	$	45,709
OREO(b)	Level 2	3,139		Other noninterest expense / provision for credit losses(c)	2,532
Equity securities without readily determinable fair values	Level 3	24,671		Investment securities gains (losses), net	5,785

(a) Includes the YTD impact on the consolidated statements of income.

(b) If the fair value of the collateral exceeds the carrying amount of the asset, no charge off or adjustment is necessary, the asset is not considered to be carried at fair value and is therefore not included in the table.

(c) When a property's value is written down at the time it is transferred to OREO, the charge off is booked to the provision for credit losses. When a property is already in OREO and subsequently written down, the charge off is booked to other noninterest expense.

Schedule of assumptions for fair value as of balance sheet date of assets or liabilities that relate to transferor's continuing involvement

The table below presents the unobservable inputs that are readily quantifiable pertaining to Level 3 measurements:

Jun 30, 2024	Valuation Technique	Significant Unobservable Input	Range of Inputs			Weighted Average Input Applied
Mortgage servicing rights	Discounted cash flow	Option adjusted spread	5%	-	8%	5%
Mortgage servicing rights	Discounted cash flow	Constant prepayment rate	—%	-	100%	6%
Individually evaluated loans	Appraisals / Discounted cash flow	Collateral / Discount factor	—%	-	81%	56%
Interest rate lock commitments to originate residential mortgage loans held for sale	Discounted cash flow	Closing Ratio	35%	-	100%	87%

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Retirement Plans (Tables)

6 Months Ended

Jun. 30, 2024

Retirement Benefits [Abstract]

Net period benefit cost for the pension and postretirement plans

The components of net periodic pension cost and net periodic benefit cost for the RAP and Postretirement Plan for the three and six months ended June 30, 2024 and 2023 were as follows:

	Three Months Ended Jun 30,				Six Months Ended Jun 30,
($ in thousands)	2024		2023		2024		2023
RAP
Service cost	$	881	$	796	$	1,755	$	1,592
Interest cost	2,719		2,686		5,438		5,372
Expected return on plan assets	(8,650)		(8,202)		(17,301)		(16,404)
Amortization of prior service cost	(54)		(63)		(107)		(125)
Amortization of actuarial loss	—		—		—		37
Total net periodic pension cost	$	(5,104)	$	(4,783)	$	(10,215)	$	(9,528)
Postretirement Plan
Interest cost	$	18	$	20	$	37	$	39
Amortization of prior service cost	(19)		(19)		(38)		(38)
Amortization of actuarial (gain)	(7)		(7)		(14)		(15)
Total net periodic benefit cost	$	(8)	$	(7)	$	(15)	$	(13)

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Segment Reporting (Tables)

6 Months Ended

Jun. 30, 2024

Segment Reporting [Abstract]

Selected segment information

Information about the Corporation’s segments is presented below:

	Corporate and Commercial Specialty
	Three Months Ended Jun 30,				Six Months Ended Jun 30,
($ in thousands)	2024		2023		2024		2023
Net interest income	$	251,196	$	240,542	$	494,127	$	459,665
Net intersegment interest (expense)	(99,238)		(100,711)		(192,974)		(181,691)
Segment net interest income	151,958		139,832		301,153		277,975
Noninterest income	35,131		32,451		69,553		65,168
Total revenue	187,089		172,282		370,707		343,143
Provision for credit losses	16,492		13,674		31,920		27,456
Noninterest expense	65,394		61,137		131,744		123,256
Income before income taxes	105,204		97,471		207,042		192,431
Income tax expense	17,765		17,086		38,846		34,811
Net income	$	87,438	$	80,385	$	168,196	$	157,619
Allocated goodwill					$	525,836	$	525,836

	Community, Consumer, and Business
	Three Months Ended Jun 30,				Six Months Ended Jun 30,
($ in thousands)	2024		2023		2024		2023
Net interest income	$	57,808	$	72,460	$	116,000	$	152,744
Net intersegment interest income	135,332		105,841		265,491		193,920
Segment net interest income	193,140		178,301		381,491		346,664
Noninterest income	25,418		30,252		49,912		56,199
Total revenue	218,559		208,554		431,404		402,863
Provision for credit losses	5,591		7,328		12,416		14,086
Noninterest expense	107,565		108,928		218,055		220,663
Income before income taxes	105,403		92,298		200,933		168,114
Income tax expense	22,134		19,383		42,196		35,304
Net income	$	83,268	$	72,915	$	158,737	$	132,810
Allocated goodwill					$	579,156	$	579,156

	Risk Management and Shared Services
	Three Months Ended Jun 30,				Six Months Ended Jun 30,
($ in thousands)	2024		2023		2024		2023
Net interest (loss)	$	(52,411)	$	(55,085)	$	(95,677)	$	(80,483)
Net intersegment (expense)	(36,095)		(5,130)		(72,517)		(12,229)
Segment net interest (loss)	(88,506)		(60,216)		(168,194)		(92,712)
Noninterest income	4,610		2,840		10,678		6,249
Total revenue	(83,896)		(57,376)		(157,515)		(86,463)
Provision for credit losses	925		1,097		2,672		(1,471)
Noninterest expense	22,902		20,609		43,719		34,167
(Loss) before income taxes	(107,722)		(79,082)		(203,906)		(119,159)
Income tax (benefit)	(52,589)		(12,935)		(73,716)		(19,243)
Net (loss)	$	(55,133)	$	(66,146)	$	(130,191)	$	(99,916)
Allocated goodwill					$	—	$	—

	Consolidated Total
	Three Months Ended Jun 30,				Six Months Ended Jun 30,
($ in thousands)	2024		2023		2024		2023
Net interest income	$	256,593	$	257,917	$	514,451	$	531,927
Net intersegment interest income	—		—		—		—
Segment net interest income	256,593		257,917		514,451		531,927
Noninterest income	65,159		65,543		130,144		127,616
Total revenue	321,752		323,460		644,595		659,543
Provision for credit losses	23,008		22,100		47,009		40,071
Noninterest expense	195,861		190,673		393,518		378,086
Income before income taxes	102,884		110,687		204,068		241,386
Income tax (benefit) expense	(12,689)		23,533		7,326		50,873
Net income	$	115,573	$	87,154	$	196,742	$	190,514
Allocated goodwill					$	1,104,992	$	1,104,992

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Accumulated Other Comprehensive Income (Loss) (Tables)

6 Months Ended

Jun. 30, 2024

Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]

Summary of activity in accumulated other comprehensive income (loss)

The following tables summarize the components of accumulated other comprehensive income (loss) at June 30, 2024 and 2023, including changes during the preceding three and six month periods as well as any reclassifications out of accumulated other comprehensive income (loss):

($ in thousands)	AFS Investment Securities		Cash Flow Hedge Derivatives		Defined Benefit Pension and Postretirement Obligations		Accumulated Other Comprehensive Income (Loss)
Balance December 31, 2023	$	(148,641)	$	3,080	$	(25,535)	$	(171,096)
Other comprehensive (loss) before reclassifications	(41,014)		—		—		(41,014)
Amounts reclassified from accumulated other comprehensive income (loss):
Investment securities losses, net	197		—		—		197
HTM investment securities, net, at amortized cost(a)	4,182		—		—		4,182
Other assets / accrued expenses and other liabilities	—		(26,248)		—		(26,248)
Interest income	—		9,592		—		9,592
Personnel expense	—		—		(144)		(144)
Other expense	—		—		(14)		(14)
Income tax benefit (expense)	9,138		(2,192)		(1,614)		5,333
Net other comprehensive (loss) during period	(27,498)		(18,848)		(1,772)		(48,117)
Balance June 30, 2024	$	(176,139)	$	(15,768)	$	(27,307)	$	(219,214)
Balance December 31, 2022	$	(233,192)	$	3,360	$	(42,968)	$	(272,799)
Other comprehensive (loss) before reclassifications	(12,588)		—		—		(12,588)
Amounts reclassified from accumulated other comprehensive (loss):
HTM investment securities, net, at amortized cost(a)	4,556		—		—		4,556
Other assets / accrued expenses and other liabilities	—		(20,384)		—		(20,384)
Interest income	—		4,581		—		4,581
Personnel expense	—		—		(163)		(163)
Other expense	—		—		22		22
Income tax benefit	1,951		3,173		8		5,132
Net other comprehensive (loss) during period	(6,081)		(12,630)		(132)		(18,843)
Balance June 30, 2023	$	(239,273)	$	(9,270)	$	(43,099)	$	(291,642)

(a) Amortization of net unrealized losses on AFS securities transferred to HTM securities.

($ in thousands)	AFS Investment Securities		Cash Flow Hedge Derivatives		Defined Benefit Pension and Postretirement Obligations		Accumulated Other Comprehensive Income (Loss)
Balance March 31, 2024	$	(169,388)	$	(13,246)	$	(27,247)	$	(209,881)
Other comprehensive (loss) before reclassifications	(11,126)		—		—		(11,126)
Amounts reclassified from accumulated other comprehensive (loss):
HTM investment securities, net, at amortized cost(a)	2,122		—		—		2,122
Other assets / accrued expenses and other liabilities	—		(6,787)		—		(6,787)
Interest income	—		4,769		—		4,769
Personnel expense	—		—		(73)		(73)
Other expense	—		—		(7)		(7)
Income tax benefit (expense)	2,253		(503)		20		1,769
Net other comprehensive (loss) during period	(6,751)		(2,522)		(60)		(9,333)
Balance June 30, 2024	$	(176,139)	$	(15,768)	$	(27,307)	$	(219,214)
Balance March 31, 2023	$	(204,339)	$	13,691	$	(42,940)	$	(233,588)
Other comprehensive (loss) before reclassifications	(49,066)		—		—		(49,066)
Amounts reclassified from accumulated other comprehensive income (loss):
HTM investment securities, net, at amortized cost(a)	2,289		—		—		2,289
Other assets / accrued expenses and other liabilities	—		(34,147)		—		(34,147)
Interest income	—		3,319		—		3,319
Personnel expense	—		—		(81)		(81)
Other expense	—		—		(7)		(7)
Income tax benefit (expense)	11,843		7,867		(71)		19,639
Net other comprehensive (loss) during period	(34,934)		(22,961)		(159)		(58,054)
Balance June 30, 2023	$	(239,273)	$	(9,270)	$	(43,099)	$	(291,642)

(a) Amortization of net unrealized losses on AFS securities transferred to HTM securities.

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Leases (Tables)

6 Months Ended

Jun. 30, 2024

Leases [Abstract]

Lease, Cost and Cash Flows

Operating and finance lease costs and cash flows resulting from these leases are presented below:

	Three Months Ended Jun 30,				Six Months Ended Jun 30,
($ in thousands)	2024		2023		2024		2023
Operating lease costs	$	1,551	$	1,479	$	3,096	$	2,942
Finance lease costs	23		23		46		46
Operating lease cash flows	1,592		1,698		3,436		3,526
Finance lease cash flows	23		23		46		46

Components of lease expense

The right-of-use asset and lease liability by lease classifications on the consolidated balance sheets were as follows:

($ in thousands)	Consolidated Balance Sheets Category	Jun 30, 2024		Dec 31, 2023
Operating lease right-of-use asset	Premises and equipment	$	26,213	$	24,712
Finance lease right-of-use asset	Other assets	325		368
Operating lease liability	Accrued expenses and other liabilities	28,675		27,311
Finance lease liability	Other long-term funding	339		383

Lessee, Lease Information

The lease payment obligations, weighted-average remaining lease term, and weighted-average original discount rate were as follows:

	Jun 30, 2024					Dec 31, 2023
($ in thousands)	Lease Payments		Weighted-average Lease Term (in years)	Weighted-average Discount Rate		Lease Payments		Weighted-average Lease Term (in years)	Weighted-average Discount Rate
Operating leases
Retail and corporate offices	$	28,130	6.10	3.47	%	$	25,729	5.76	3.12	%
Land	3,640		6.77	3.50	%	4,050		6.98	3.48	%
Equipment	408		2.00	4.62	%	408		2.50	4.62	%
Total operating leases	$	32,178	6.12	3.49	%	$	30,187	5.88	3.19	%
Finance leases
Retail and corporate offices	$	347	3.75	1.32	%	$	394	4.25	1.32	%
Total finance leases	$	347	3.75	1.32	%	$	394	4.25	1.32	%

Amortization of operating lease liabilities

Contractual lease payment obligations for each of the next five years and thereafter, in addition to a reconciliation to the Corporation’s lease liability, were as follows:

($ in thousands)	Operating Leases		Finance Leases		Total Leases
Six months ended December 31, 2024	$	3,309	$	46	$	3,356
2025	6,293		93		6,386
2026	5,712		93		5,805
2027	5,002		93		5,095
2028	4,118		23		4,142
Beyond 2028	7,743		—		7,743
Total lease payments	$	32,178	$	347	$	32,526
Less: interest	3,503		8		3,512
Present value of lease payments	$	28,675	$	339	$	29,014

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Earnings Per Common Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2024	Mar. 31, 2024	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2024	Jun. 30, 2023
Earnings Per Share [Abstract]
Net income	$ 115,573	$ 81,169	$ 87,154	$ 103,360	$ 196,742	$ 190,514
Preferred stock dividends	(2,875)		(2,875)		(5,750)	(5,750)
Net income available to common equity	112,698		84,279		190,992	184,764
Common shareholder dividends	(33,310)		(31,802)		(66,718)	(63,611)
Unvested share-based payment awards	(197)		(194)		(317)	(398)
Undistributed earnings	79,191		52,283		123,958	120,755
Undistributed earnings allocated to common shareholders	78,723		51,965		123,256	120,047
Undistributed earnings allocated to unvested share-based payment awards	468		318		702	708
Basic
Distributed earnings to common shareholders	33,310		31,802		66,718	63,611
Undistributed earnings allocated to common shareholders	78,723		51,965		123,256	120,047
Total common shareholders earnings, basic	112,034		83,768		189,974	183,658
Diluted
Distributed earnings to common shareholders	33,310		31,802		66,718	63,611
Undistributed earnings allocated to common shareholders	78,723		51,965		123,256	120,047
Total common shareholders earnings, diluted	$ 112,034		$ 83,768		$ 189,974	$ 183,658
Weighted average common shares outstanding	149,872		149,986		149,864	149,875
Effect of dilutive common stock awards	1,416		884		1,446	1,027
Diluted weighted average common shares outstanding	151,288		150,870		151,310	150,903
Basic earnings per common share	$ 0.75		$ 0.56		$ 1.27	$ 1.23
Diluted earnings per common share	$ 0.74		$ 0.56		$ 1.26	$ 1.22

XML

Earnings Per Common Share (Details Textuals) - shares shares in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Share-Based Payment Arrangement, Option [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	2	5	2	3

XML

Stock-Based Compensation, Stock Option Activity (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2024	Dec. 31, 2023
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Stock Options Shares Outstanding, Beginning balance (in shares)	3,792
Exercised	230
Forfeited or expired	33
Stock Options Shares Outstanding, Ending balance (in shares)	3,528	3,792
Options exercisable (in shares)	3,528
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]
Stock Option Outstanding, Weighted Average Exercise Price, Beginning balance (in usd per share)	$ 21.25
Exercised	17.20
Forfeited	24.64
Stock Option Outstanding, Weighted Average Exercise Price, Ending balance (in usd per share)	21.48	$ 21.25
Options Exercisable, Weighted Average Exercise Price (in usd per share)	$ 21.48
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	3 years 9 months 21 days	4 years 3 months 3 days
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	3 years 9 months 21 days	4 years 3 months 3 days
Options exercisable, Weighted Average Remaining Contractual Term	3 years 9 months 21 days
Stock Options Outstanding, Aggregate Intrinsic Value, Beginning balance	$ 5,834
Stock Options Outstanding, Aggregate Intrinsic Value, Ending balance	4,477	$ 5,834
Options exercisable, Aggregate Intrinsic Value	$ 4,477

XML

Stock-Based Compensation, Restricted Stock Activity (Details) shares in Thousands	6 Months Ended
	Jun. 30, 2024 $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Outstanding Shares, Beginning balance (in shares) | shares	2,349
Granted | shares	814
Vested | shares	732
Forfeited | shares	23
Outstanding Shares, Ending balance (in shares) | shares	2,408
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]
Outstanding, Weighted Average Grant Date Fair Value, Beginning balance (in usd per share) | $ / shares	$ 21.20
Granted, Weighted Average Grant Date Fair Value | $ / shares	20.89
Vested, Weighted Average Grant Date Fair Value | $ / shares	23.98
Forfeited, Weighted Average Grant Date Fair Value | $ / shares	22.13
Outstanding Weighted Average Grant Date Fair Value, Ending balance (in usd per share) | $ / shares	$ 21.28

XML

Stock-Based Compensation (Details Textuals) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Share-based Compensation Arrangement by Share-based Payment Award
Intrinsic value of stock options exercised	$ 970	$ 220
Total fair value of vested stock options	$ 489	$ 955
Minimum
Share-based Compensation Arrangement by Share-based Payment Award
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage	0.00%
Maximum
Share-based Compensation Arrangement by Share-based Payment Award
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage	150.00%
Performance-based Restricted Stock Award
Share-based Compensation Arrangement by Share-based Payment Award
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	3 years	3 years
Service-based Restricted Stock Award
Share-based Compensation Arrangement by Share-based Payment Award
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	4 years	4 years
Restricted Stock Award
Share-based Compensation Arrangement by Share-based Payment Award
Share-based Payment Arrangement, Accelerated Cost	$ 4,000
Share-based Payment Arrangement, Expense	12,000	$ 10,000
Unvested share-based payment awards	$ 25,000
Remaining requisite service periods, extend through	first quarter of 2028

XML

Investment Securities, AFS and HTM Securities Amortized Costs and Fair Values (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2024	Dec. 31, 2023
Schedule of Available-for-sale and Held-to-maturity Securities [Line Items]
Debt Securities, Available-for-sale, Amortized Cost	$ 4,102,470	$ 3,749,814
Debt Securities, Available-for-sale, Unrealized Gain	3,941	24,579
Debt Securities, Available-for-sale, Unrealized Loss	(193,681)	(173,501)
AFS investment securities, at fair value	3,912,730	3,600,892
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	3,799,119	3,860,235
Held-to-maturity, Gross Unrealized Gains	47,119	55,619
Held-to-maturity, Gross Unrealized Loss	(599,286)	(535,230)
Held-to-maturity, Fair Value	3,246,952	3,380,624
US Treasury Securities
Schedule of Available-for-sale and Held-to-maturity Securities [Line Items]
Debt Securities, Available-for-sale, Amortized Cost	39,986	39,984
Debt Securities, Available-for-sale, Unrealized Gain	0	0
Debt Securities, Available-for-sale, Unrealized Loss	(4,349)	(4,083)
AFS investment securities, at fair value	35,638	35,902
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	1,000	999
Held-to-maturity, Gross Unrealized Gains	0	0
Held-to-maturity, Gross Unrealized Loss	(22)	(36)
Held-to-maturity, Fair Value	978	963
US States and Political Subdivisions Debt Securities [Member]
Schedule of Available-for-sale and Held-to-maturity Securities [Line Items]
Debt Securities, Available-for-sale, Amortized Cost	82,876	94,008
Debt Securities, Available-for-sale, Unrealized Gain	0	23
Debt Securities, Available-for-sale, Unrealized Loss	(4,369)	(2,214)
AFS investment securities, at fair value	78,507	91,817
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	1,668,494	1,682,473
Held-to-maturity, Gross Unrealized Gains	1,411	5,638
Held-to-maturity, Gross Unrealized Loss	(172,235)	(134,053)
Held-to-maturity, Fair Value	1,497,670	1,554,059
Mortgage-backed Securities, Issued by Private Enterprises [Member]
Schedule of Available-for-sale and Held-to-maturity Securities [Line Items]
Debt Securities, Available-for-sale, Amortized Cost	0
AFS investment securities, at fair value	0
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	335,148	345,083
Held-to-maturity, Gross Unrealized Gains	8,955	9,796
Held-to-maturity, Gross Unrealized Loss	(70,211)	(65,372)
Held-to-maturity, Fair Value	273,892	289,507
Federal Family Education Loan Program (FFELP) Guaranteed Loans [Member]
Schedule of Available-for-sale and Held-to-maturity Securities [Line Items]
Debt Securities, Available-for-sale, Amortized Cost	123,720	135,832
Debt Securities, Available-for-sale, Unrealized Gain	43	5
Debt Securities, Available-for-sale, Unrealized Loss	(998)	(1,862)
AFS investment securities, at fair value	122,765	133,975
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	0
Held-to-maturity, Fair Value	0
US Government-sponsored Enterprises Debt Securities [Member]
Schedule of Available-for-sale and Held-to-maturity Securities [Line Items]
Debt Securities, Available-for-sale, Amortized Cost	667	1,077
Debt Securities, Available-for-sale, Unrealized Gain	0	2
Debt Securities, Available-for-sale, Unrealized Loss	(27)	(28)
AFS investment securities, at fair value	640	1,051
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	0
Held-to-maturity, Fair Value	0
Other Debt securities
Schedule of Available-for-sale and Held-to-maturity Securities [Line Items]
Debt Securities, Available-for-sale, Amortized Cost	3,000	3,000
Debt Securities, Available-for-sale, Unrealized Gain	0	0
Debt Securities, Available-for-sale, Unrealized Loss	(27)	(50)
AFS investment securities, at fair value	2,973	2,950
US Government Sponsored-Enterprise Insured Loans | Residential Related Securities
Schedule of Available-for-sale and Held-to-maturity Securities [Line Items]
Debt Securities, Available-for-sale, Amortized Cost	1,224,824	1,274,052
Debt Securities, Available-for-sale, Unrealized Gain	172	294
Debt Securities, Available-for-sale, Unrealized Loss	(160,678)	(153,552)
AFS investment securities, at fair value	1,064,318	1,120,794
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	916,966	941,973
Held-to-maturity, Gross Unrealized Gains	25,024	27,007
Held-to-maturity, Gross Unrealized Loss	(188,333)	(164,587)
Held-to-maturity, Fair Value	753,657	804,393
US Government Sponsored-Enterprise Insured Loans | Commercial mortgage-related securities
Schedule of Available-for-sale and Held-to-maturity Securities [Line Items]
Debt Securities, Available-for-sale, Amortized Cost	18,513	18,691
Debt Securities, Available-for-sale, Unrealized Gain	0	0
Debt Securities, Available-for-sale, Unrealized Loss	(1,230)	(1,755)
AFS investment securities, at fair value	17,283	16,937
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	776,717	780,995
Held-to-maturity, Gross Unrealized Gains	11,429	12,699
Held-to-maturity, Gross Unrealized Loss	(157,363)	(160,781)
Held-to-maturity, Fair Value	630,783	632,914
Government National Mortgage Association (GNMA) [Member] | Residential Related Securities
Schedule of Available-for-sale and Held-to-maturity Securities [Line Items]
Debt Securities, Available-for-sale, Amortized Cost	2,450,628	2,021,242
Debt Securities, Available-for-sale, Unrealized Gain	3,725	24,254
Debt Securities, Available-for-sale, Unrealized Loss	(13,545)	(2,822)
AFS investment securities, at fair value	2,440,808	2,042,675
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	46,392	48,979
Held-to-maturity, Gross Unrealized Gains	11	92
Held-to-maturity, Gross Unrealized Loss	(3,866)	(2,901)
Held-to-maturity, Fair Value	42,536	46,170
Government National Mortgage Association (GNMA) [Member] | Commercial mortgage-related securities
Schedule of Available-for-sale and Held-to-maturity Securities [Line Items]
Debt Securities, Available-for-sale, Amortized Cost	158,257	161,928
Debt Securities, Available-for-sale, Unrealized Gain	0	0
Debt Securities, Available-for-sale, Unrealized Loss	(8,458)	(7,135)
AFS investment securities, at fair value	149,799	154,793
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	54,403	59,733
Held-to-maturity, Gross Unrealized Gains	289	386
Held-to-maturity, Gross Unrealized Loss	(7,256)	(7,500)
Held-to-maturity, Fair Value	$ 47,436	$ 52,619

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Investment Securities, AFS and HTM Contractual Maturities (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Amortized Cost
Available for Sale, Due in one year or less	$ 2,000
Available for Sale, Due after one year through five years	51,062
Available for Sale, Due after five years through ten years	45,931
Available for Sale, Due after ten years	26,868
Debt Securities, Available-for-sale, Maturity, without Single Maturity Date, Amortized Cost	125,862
Available for Sale, Total debt securities	4,102,470	$ 3,749,814
Fair Value
Available for Sale, Due in one year or less	1,983
Available for Sale, Due after one year through five years	45,997
Available for Sale, Due after five years through ten years	42,937
Available for Sale, Due after ten years	26,201
Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, Fair Value	117,118
Available for Sale, Total debt securities	$ 3,912,730	3,600,892
Available for Sale, Ratio of Fair Value to Amortized Cost	95.40%
Amortized Cost
Held to Maturity, Due in one year or less	$ 6,288
Held to Maturity, Due after one year through five years	61,651
Held to Maturity, Due after five years through ten years	175,169
Held to Maturity, Due after ten years	1,426,386
Held to Maturity, Total Debt Securities	1,669,494
Held to Maturity, Amortized Cost	3,799,119	3,860,235
Fair Value
Held to Maturity, Due in one year or less	6,240
Held to Maturity, Due after one year through five years	60,374
Held to Maturity, Due after five years through ten years	166,153
Held to Maturity, Due after ten years	1,265,882
Held to Maturity, Securities, Debt Securities	1,498,648
Held to Maturity, Total debt securities at fair value	$ 3,246,952	3,380,624
Held to Maturity, Ratio of Fair Value to Amortized Cost	85.50%
Mortgage-backed Securities, Issued by Private Enterprises [Member]
Amortized Cost
Available for Sale, Total debt securities	$ 0
Fair Value
Available for Sale, Total debt securities	0
Amortized Cost
Held to Maturity, Amortized Cost	335,148	345,083
Fair Value
Held to Maturity, Total debt securities at fair value	273,892	289,507
Federal Family Education Loan Program (FFELP) Guaranteed Loans [Member]
Amortized Cost
Available for Sale, Total debt securities	123,720	135,832
Fair Value
Available for Sale, Total debt securities	122,765	133,975
Amortized Cost
Held to Maturity, Amortized Cost	0
Fair Value
Held to Maturity, Total debt securities at fair value	0
US Government-sponsored Enterprises Debt Securities [Member]
Amortized Cost
Available for Sale, Total debt securities	667	1,077
Fair Value
Available for Sale, Total debt securities	640	1,051
Amortized Cost
Held to Maturity, Amortized Cost	0
Fair Value
Held to Maturity, Total debt securities at fair value	0
US Government Sponsored-Enterprise Insured Loans | Residential Related Securities
Amortized Cost
Available for Sale, Total debt securities	1,224,824	1,274,052
Fair Value
Available for Sale, Total debt securities	1,064,318	1,120,794
Amortized Cost
Held to Maturity, Amortized Cost	916,966	941,973
Fair Value
Held to Maturity, Total debt securities at fair value	753,657	804,393
US Government Sponsored-Enterprise Insured Loans | Commercial mortgage-related securities
Amortized Cost
Available for Sale, Total debt securities	18,513	18,691
Fair Value
Available for Sale, Total debt securities	17,283	16,937
Amortized Cost
Held to Maturity, Amortized Cost	776,717	780,995
Fair Value
Held to Maturity, Total debt securities at fair value	630,783	632,914
Government National Mortgage Association (GNMA) [Member] | Residential Related Securities
Amortized Cost
Available for Sale, Total debt securities	2,450,628	2,021,242
Fair Value
Available for Sale, Total debt securities	2,440,808	2,042,675
Amortized Cost
Held to Maturity, Amortized Cost	46,392	48,979
Fair Value
Held to Maturity, Total debt securities at fair value	42,536	46,170
Government National Mortgage Association (GNMA) [Member] | Commercial mortgage-related securities
Amortized Cost
Available for Sale, Total debt securities	158,257	161,928
Fair Value
Available for Sale, Total debt securities	149,799	154,793
Amortized Cost
Held to Maturity, Amortized Cost	54,403	59,733
Fair Value
Held to Maturity, Total debt securities at fair value	$ 47,436	$ 52,619

XML

Investment Securities, HTM Credit Quality Indicators (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	$ 3,799,119	$ 3,860,235
US Treasury Securities
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	1,000	999
US States and Political Subdivisions Debt Securities [Member]
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	1,668,494	1,682,473
Residential Related Securities | US Government Sponsored-Enterprise Insured Loans
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	916,966	941,973
Residential Related Securities | Government National Mortgage Association (GNMA) [Member]
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	46,392	48,979
Mortgage-backed Securities, Issued by Private Enterprises [Member]
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	335,148	345,083
Commercial mortgage-related securities | US Government Sponsored-Enterprise Insured Loans
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	776,717	780,995
Commercial mortgage-related securities | Government National Mortgage Association (GNMA) [Member]
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	54,403	59,733
Not Rated [Domain]
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	2,063	1,155
Not Rated [Domain] | US Treasury Securities
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	0	0
Not Rated [Domain] | US States and Political Subdivisions Debt Securities [Member]
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	2,063	1,155
Not Rated [Domain] | Residential Related Securities | US Government Sponsored-Enterprise Insured Loans
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	0	0
Not Rated [Domain] | Residential Related Securities | Government National Mortgage Association (GNMA) [Member]
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	0	0
Not Rated [Domain] | Mortgage-backed Securities, Issued by Private Enterprises [Member]
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	0	0
Not Rated [Domain] | Commercial mortgage-related securities | US Government Sponsored-Enterprise Insured Loans
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	0	0
Not Rated [Domain] | Commercial mortgage-related securities | Government National Mortgage Association (GNMA) [Member]
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	0	0
AAA
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	2,897,156	2,938,090
AAA | US Treasury Securities
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	1,000	999
AAA | US States and Political Subdivisions Debt Securities [Member]
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	766,531	760,329
AAA | Residential Related Securities | US Government Sponsored-Enterprise Insured Loans
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	916,966	941,973
AAA | Residential Related Securities | Government National Mortgage Association (GNMA) [Member]
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	46,392	48,979
AAA | Mortgage-backed Securities, Issued by Private Enterprises [Member]
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	335,148	345,083
AAA | Commercial mortgage-related securities | US Government Sponsored-Enterprise Insured Loans
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	776,717	780,995
AAA | Commercial mortgage-related securities | Government National Mortgage Association (GNMA) [Member]
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	54,403	59,733
AA
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	894,406	915,303
AA | US Treasury Securities
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	0	0
AA | US States and Political Subdivisions Debt Securities [Member]
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	894,406	915,303
AA | Residential Related Securities | US Government Sponsored-Enterprise Insured Loans
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	0	0
AA | Residential Related Securities | Government National Mortgage Association (GNMA) [Member]
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	0	0
AA | Mortgage-backed Securities, Issued by Private Enterprises [Member]
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	0	0
AA | Commercial mortgage-related securities | US Government Sponsored-Enterprise Insured Loans
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	0	0
AA | Commercial mortgage-related securities | Government National Mortgage Association (GNMA) [Member]
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	0	0
A
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	5,494	5,687
A | US Treasury Securities
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	0	0
A | US States and Political Subdivisions Debt Securities [Member]
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	5,494	5,687
A | Residential Related Securities | US Government Sponsored-Enterprise Insured Loans
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	0	0
A | Residential Related Securities | Government National Mortgage Association (GNMA) [Member]
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	0	0
A | Mortgage-backed Securities, Issued by Private Enterprises [Member]
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	0	0
A | Commercial mortgage-related securities | US Government Sponsored-Enterprise Insured Loans
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	0	0
A | Commercial mortgage-related securities | Government National Mortgage Association (GNMA) [Member]
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	$ 0	$ 0

XML

Investment Securities Gain/Loss Sale of Securities (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Investments, Debt and Equity Securities [Abstract]
Gross realized (losses) on AFS securities	$ 0	$ 0	$ (197)	$ 0
Gain on sale and net write-up of equity securities	67	14	4,143	66
Investment securities gains, net	67	14	3,947	66
Proceeds from sales of AFS investment securities	$ 0	$ 0	$ 9,472	$ 0

XML

Investment Securities, AFS and HTM Securities Gross Unrealized Losses (Details) $ in Thousands	Jun. 30, 2024 USD ($) security	Dec. 31, 2023 USD ($) security
Schedule of Available-for-sale and Held-to-maturity Securities [Line Items]
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Number of Positions | security	119	82
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	$ (9,664)	$ (4,773)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	$ 1,472,139	$ 307,527
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions | security	270	213
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	$ (184,017)	$ (168,728)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	1,535,583	1,392,635
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	(193,681)	(173,501)
Debt Securities, Available-for-sale, Unrealized Loss Position	3,007,721	1,700,162
HTM investment securities
Unrealized losses on held to maturity securities, less than 12 months	(8,747)	(2,184)
Fair value of unrealized losses on held to maturity securities, less than 12 months	454,813	220,865
Unrealized losses on held to maturity securities, 12 months or more	(590,538)	(533,046)
Fair value of unrealized losses on held to maturity securities, 12 months or more	2,667,200	2,566,468
Total unrealized losses on held to maturity securities	(599,286)	(535,230)
Total fair value of unrealized losses on held to maturity securities	$ 3,122,012	$ 2,787,333
US Treasury Securities
Schedule of Available-for-sale and Held-to-maturity Securities [Line Items]
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Number of Positions | security	0	0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	$ 0	$ 0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	$ 0	$ 0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions | security	1	1
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	$ (4,349)	$ (4,083)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	35,638	35,902
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	(4,349)	(4,083)
Debt Securities, Available-for-sale, Unrealized Loss Position	35,638	35,902
HTM investment securities
Unrealized losses on held to maturity securities, less than 12 months	0	0
Fair value of unrealized losses on held to maturity securities, less than 12 months	0	0
Unrealized losses on held to maturity securities, 12 months or more	(22)	(36)
Fair value of unrealized losses on held to maturity securities, 12 months or more	978	963
Total unrealized losses on held to maturity securities	(22)	(36)
Total fair value of unrealized losses on held to maturity securities	$ 978	$ 963
US States and Political Subdivisions Debt Securities [Member]
Schedule of Available-for-sale and Held-to-maturity Securities [Line Items]
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Number of Positions | security	25	41
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	$ (383)	$ (347)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	$ 11,594	$ 23,762
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions | security	112	92
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	$ (3,986)	$ (1,867)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	65,278	53,022
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	(4,369)	(2,214)
Debt Securities, Available-for-sale, Unrealized Loss Position	76,872	76,784
HTM investment securities
Unrealized losses on held to maturity securities, less than 12 months	(8,558)	(1,535)
Fair value of unrealized losses on held to maturity securities, less than 12 months	443,724	180,270
Unrealized losses on held to maturity securities, 12 months or more	(163,676)	(132,518)
Fair value of unrealized losses on held to maturity securities, 12 months or more	929,232	792,940
Total unrealized losses on held to maturity securities	(172,235)	(134,053)
Total fair value of unrealized losses on held to maturity securities	1,372,956	973,210
Mortgage-backed Securities, Issued by Private Enterprises [Member]
HTM investment securities
Unrealized losses on held to maturity securities, less than 12 months	0	0
Fair value of unrealized losses on held to maturity securities, less than 12 months	0	0
Unrealized losses on held to maturity securities, 12 months or more	(70,211)	(65,372)
Fair value of unrealized losses on held to maturity securities, 12 months or more	273,892	289,507
Total unrealized losses on held to maturity securities	(70,211)	(65,372)
Total fair value of unrealized losses on held to maturity securities	$ 273,892	$ 289,507
Federal Family Education Loan Program (FFELP) Guaranteed Loans [Member]
Schedule of Available-for-sale and Held-to-maturity Securities [Line Items]
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Number of Positions | security	2	0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	$ (72)	$ 0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	$ 38,384	$ 0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions | security	12	14
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	$ (925)	$ (1,862)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	71,409	125,339
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	(998)	(1,862)
Debt Securities, Available-for-sale, Unrealized Loss Position	$ 109,792	$ 125,339
US Government-sponsored Enterprises Debt Securities [Member]
Schedule of Available-for-sale and Held-to-maturity Securities [Line Items]
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Number of Positions | security	0	0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	$ 0	$ 0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	$ 0	$ 0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions | security	5	5
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	$ (27)	$ (28)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	612	761
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	(27)	(28)
Debt Securities, Available-for-sale, Unrealized Loss Position	$ 612	$ 761
Other Debt securities
Schedule of Available-for-sale and Held-to-maturity Securities [Line Items]
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Number of Positions | security	0	1
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	$ 0	$ (9)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	$ 0	$ 991
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions | security	3	2
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	$ (27)	$ (42)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	2,973	1,958
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	(27)	(50)
Debt Securities, Available-for-sale, Unrealized Loss Position	$ 2,973	$ 2,950
US Government Sponsored-Enterprise Insured Loans | Residential Related Securities
Schedule of Available-for-sale and Held-to-maturity Securities [Line Items]
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Number of Positions | security	17	18
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	$ (373)	$ (333)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	$ 25,524	$ 22,870
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions | security	87	71
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	$ (160,306)	$ (153,219)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	1,025,295	1,080,337
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	(160,678)	(153,552)
Debt Securities, Available-for-sale, Unrealized Loss Position	1,050,819	1,103,207
HTM investment securities
Unrealized losses on held to maturity securities, less than 12 months	(52)	(511)
Fair value of unrealized losses on held to maturity securities, less than 12 months	2,581	30,323
Unrealized losses on held to maturity securities, 12 months or more	(188,281)	(164,076)
Fair value of unrealized losses on held to maturity securities, 12 months or more	750,852	771,042
Total unrealized losses on held to maturity securities	(188,333)	(164,587)
Total fair value of unrealized losses on held to maturity securities	$ 753,432	$ 801,365
US Government Sponsored-Enterprise Insured Loans | Commercial mortgage-related securities
Schedule of Available-for-sale and Held-to-maturity Securities [Line Items]
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Number of Positions | security	0	0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	$ 0	$ 0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	$ 0	$ 0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions | security	1	1
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	$ (1,230)	$ (1,755)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	17,283	16,937
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	(1,230)	(1,755)
Debt Securities, Available-for-sale, Unrealized Loss Position	17,283	16,937
HTM investment securities
Unrealized losses on held to maturity securities, less than 12 months	0	(121)
Fair value of unrealized losses on held to maturity securities, less than 12 months	0	8,144
Unrealized losses on held to maturity securities, 12 months or more	(157,363)	(160,660)
Fair value of unrealized losses on held to maturity securities, 12 months or more	630,783	624,770
Total unrealized losses on held to maturity securities	(157,363)	(160,781)
Total fair value of unrealized losses on held to maturity securities	$ 630,783	$ 632,914
Government National Mortgage Association (GNMA) [Member] | Residential Related Securities
Schedule of Available-for-sale and Held-to-maturity Securities [Line Items]
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Number of Positions | security	75	13
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	$ (8,837)	$ (924)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	$ 1,396,637	$ 156,847
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions | security	18	5
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	$ (4,709)	$ (1,898)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	167,297	26,643
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	(13,545)	(2,822)
Debt Securities, Available-for-sale, Unrealized Loss Position	1,563,934	183,490
HTM investment securities
Unrealized losses on held to maturity securities, less than 12 months	(138)	(17)
Fair value of unrealized losses on held to maturity securities, less than 12 months	8,508	2,128
Unrealized losses on held to maturity securities, 12 months or more	(3,729)	(2,884)
Fair value of unrealized losses on held to maturity securities, 12 months or more	34,028	34,626
Total unrealized losses on held to maturity securities	(3,866)	(2,901)
Total fair value of unrealized losses on held to maturity securities	$ 42,536	$ 36,754
Government National Mortgage Association (GNMA) [Member] | Commercial mortgage-related securities
Schedule of Available-for-sale and Held-to-maturity Securities [Line Items]
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Number of Positions | security	0	9
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	$ 0	$ (3,160)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	$ 0	$ 103,055
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions | security	31	22
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	$ (8,458)	$ (3,975)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	149,799	51,738
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	(8,458)	(7,135)
Debt Securities, Available-for-sale, Unrealized Loss Position	149,799	154,793
HTM investment securities
Unrealized losses on held to maturity securities, less than 12 months	0	0
Fair value of unrealized losses on held to maturity securities, less than 12 months	0	0
Unrealized losses on held to maturity securities, 12 months or more	(7,256)	(7,500)
Fair value of unrealized losses on held to maturity securities, 12 months or more	47,436	52,619
Total unrealized losses on held to maturity securities	(7,256)	(7,500)
Total fair value of unrealized losses on held to maturity securities	$ 47,436	$ 52,619
Held to maturity, number of securities, less than 12 months
HTM investment securities
Held-to-Maturity, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions | security	371	205
Held to maturity, number of securities, less than 12 months | US Treasury Securities
HTM investment securities
Held-to-Maturity, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions | security	0	0
Held to maturity, number of securities, less than 12 months | US States and Political Subdivisions Debt Securities [Member]
HTM investment securities
Held-to-Maturity, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions | security	360	182
Held to maturity, number of securities, less than 12 months | Mortgage-backed Securities, Issued by Private Enterprises [Member]
HTM investment securities
Held-to-Maturity, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions | security	0	0
Held to maturity, number of securities, less than 12 months | US Government Sponsored-Enterprise Insured Loans | Residential Related Securities
HTM investment securities
Held-to-Maturity, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions | security	5	20
Held to maturity, number of securities, less than 12 months | US Government Sponsored-Enterprise Insured Loans | Commercial mortgage-related securities
HTM investment securities
Held-to-Maturity, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions | security	0	1
Held to maturity, number of securities, less than 12 months | Government National Mortgage Association (GNMA) [Member] | Residential Related Securities
HTM investment securities
Held-to-Maturity, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions | security	6	2
Held to maturity, number of securities, less than 12 months | Government National Mortgage Association (GNMA) [Member] | Commercial mortgage-related securities
HTM investment securities
Held-to-Maturity, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions | security	0	0
Held to maturity, number of securities, 12 months or more
HTM investment securities
Held-to-Maturity, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions | security	959	785
Held to maturity, number of securities, 12 months or more | US Treasury Securities
HTM investment securities
Held-to-Maturity, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions | security	1	1
Held to maturity, number of securities, 12 months or more | US States and Political Subdivisions Debt Securities [Member]
HTM investment securities
Held-to-Maturity, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions | security	688	537
Held to maturity, number of securities, 12 months or more | Mortgage-backed Securities, Issued by Private Enterprises [Member]
HTM investment securities
Held-to-Maturity, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions | security	18	18
Held to maturity, number of securities, 12 months or more | US Government Sponsored-Enterprise Insured Loans | Residential Related Securities
HTM investment securities
Held-to-Maturity, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions | security	114	94
Held to maturity, number of securities, 12 months or more | US Government Sponsored-Enterprise Insured Loans | Commercial mortgage-related securities
HTM investment securities
Held-to-Maturity, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions | security	45	44
Held to maturity, number of securities, 12 months or more | Government National Mortgage Association (GNMA) [Member] | Residential Related Securities
HTM investment securities
Held-to-Maturity, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions | security	80	78
Held to maturity, number of securities, 12 months or more | Government National Mortgage Association (GNMA) [Member] | Commercial mortgage-related securities
HTM investment securities
Held-to-Maturity, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions | security	13	13

XML

Investment Securities (Details Textual) - USD ($)	3 Months Ended
	Jun. 30, 2024	Dec. 31, 2023
Investment Securities Information [Line Items]
Debt Instrument, Collateral Amount	$ 1,300,000,000	$ 1,600,000,000
Interest receivable	173,106,000	169,569,000
Held to maturity allowance for credit loss	(84,000)	(75,000)
Federal Home Loan Bank Stock	124,000,000	143,000,000
Federal Reserve Bank Stock	88,000,000	87,000,000
Equity securities with readily determinable fair values, Fair Value	10,000,000	7,000,000
Equity securities	13,000,000	35,000,000
Held-to-maturity Securities [Member]
Investment Securities Information [Line Items]
Interest receivable	18,000,000	18,000,000
Available-for-sale Securities [Member]
Investment Securities Information [Line Items]
Interest receivable	16,000,000	15,000,000
Equity Securities [Member]
Investment Securities Information [Line Items]
Gain (Loss) on Sale of Investments	4,000,000
Federal Home Loan Bank Certificates and Obligations (FHLB) [Member]
Investment Securities Information [Line Items]
Interest receivable	3,000,000	4,000,000
Federal Reserve Bank Stock [Member]
Investment Securities Information [Line Items]
Interest receivable	0	0
US Treasury Securities
Investment Securities Information [Line Items]
Held to maturity allowance for credit loss	0	0
US States and Political Subdivisions Debt Securities [Member]
Investment Securities Information [Line Items]
Held to maturity allowance for credit loss	0	0
Agency mortgage-related securities
Investment Securities Information [Line Items]
Held to maturity allowance for credit loss	$ 0	$ 0

XML

Loans Composition (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Loans and Leases Receivable Disclosure [Line Items]
Loans	$ 29,618,271	$ 29,216,218
Commercial and industrial
Loans and Leases Receivable Disclosure [Line Items]
Loans	9,970,412	9,731,555
Commercial real estate — owner occupied
Loans and Leases Receivable Disclosure [Line Items]
Loans	1,102,146	1,061,700
Commercial and business lending
Loans and Leases Receivable Disclosure [Line Items]
Loans	11,072,558	10,793,255
Commercial real estate — investor
Loans and Leases Receivable Disclosure [Line Items]
Loans	5,001,392	5,124,245
Real estate construction
Loans and Leases Receivable Disclosure [Line Items]
Loans	2,255,637	2,271,398
Commercial real estate lending
Loans and Leases Receivable Disclosure [Line Items]
Loans	7,257,029	7,395,644
Total commercial
Loans and Leases Receivable Disclosure [Line Items]
Loans	18,329,587	18,188,898
Residential mortgage
Loans and Leases Receivable Disclosure [Line Items]
Loans	7,840,073	7,864,891
Automobile Loan
Loans and Leases Receivable Disclosure [Line Items]
Loans	2,556,009	2,256,162
Home equity
Loans and Leases Receivable Disclosure [Line Items]
Loans	634,142	628,526
Other consumer
Loans and Leases Receivable Disclosure [Line Items]
Loans	258,460	277,740
Total consumer
Loans and Leases Receivable Disclosure [Line Items]
Loans	$ 11,288,684	$ 11,027,319

XML

Loans, Credit Quality Indicator by Vintage Year (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2024	Dec. 31, 2023
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	$ 12,447	$ 18,966
Financing Receivable, Revolving	2,843,790	2,712,389
Financing Receivable, Originated in Current Fiscal Year	2,644,533	5,363,890
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	4,992,983	8,307,956
Financing Receivable, Originated Two Years before Latest Fiscal Year	7,896,172	6,039,862
Financing Receivable, Originated Three Years before Latest Fiscal Year	5,248,950	2,556,071
Financing Receivable, Originated Four Years before Latest Fiscal Year	2,267,059	1,578,023
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	3,724,785	2,658,026
Total	29,618,271	29,216,218
Financing Receivable, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
Financing Receivable, Revolving, Writeoff	5,304	9,068
Financing Receivable, Year One, Originated, Current Fiscal Year, Writeoff	184	1,535
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff	9,820	14,224
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff	3,766	26,093
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff	27,819	6,237
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff	81	130
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Writeoff	335	1,482
Charge offs	47,308	58,768
Pass [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	6,478	10,204
Financing Receivable, Revolving	2,772,602	2,604,690
Financing Receivable, Originated in Current Fiscal Year	2,513,293	5,206,038
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	4,835,454	8,093,062
Financing Receivable, Originated Two Years before Latest Fiscal Year	7,704,291	5,886,359
Financing Receivable, Originated Three Years before Latest Fiscal Year	5,099,898	2,511,435
Financing Receivable, Originated Four Years before Latest Fiscal Year	2,237,081	1,537,747
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	3,655,045	2,556,674
Total	28,817,664	28,396,005
Special Mention [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	265	205
Financing Receivable, Revolving	34,580	23,595
Financing Receivable, Originated in Current Fiscal Year	301	8,893
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	11,331	74,020
Financing Receivable, Originated Two Years before Latest Fiscal Year	35,119	41,091
Financing Receivable, Originated Three Years before Latest Fiscal Year	31,197	6,213
Financing Receivable, Originated Four Years before Latest Fiscal Year	20	29,882
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	5,614	33,089
Total	118,162	216,784
Substandard
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	4,450	814
Financing Receivable, Revolving	36,398	83,872
Financing Receivable, Originated in Current Fiscal Year	110,552	131,753
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	112,826	112,289
Financing Receivable, Originated Two Years before Latest Fiscal Year	126,985	68,695
Financing Receivable, Originated Three Years before Latest Fiscal Year	98,864	27,253
Financing Receivable, Originated Four Years before Latest Fiscal Year	21,526	3,387
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	20,871	27,183
Total	528,022	454,432
Nonaccrual Loan [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	1,254	7,744
Financing Receivable, Revolving	209	231
Financing Receivable, Originated in Current Fiscal Year	20,387	17,206
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	33,372	28,584
Financing Receivable, Originated Two Years before Latest Fiscal Year	29,777	43,718
Financing Receivable, Originated Three Years before Latest Fiscal Year	18,990	11,170
Financing Receivable, Originated Four Years before Latest Fiscal Year	8,433	7,007
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	43,255	41,080
Total	154,423	148,997
Total commercial
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	5,910	8,598
Financing Receivable, Revolving	2,121,971	1,991,827
Financing Receivable, Originated in Current Fiscal Year	1,925,683	3,781,028
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	3,503,786	5,687,614
Financing Receivable, Originated Two Years before Latest Fiscal Year	5,384,286	3,835,298
Financing Receivable, Originated Three Years before Latest Fiscal Year	3,111,019	1,127,677
Financing Receivable, Originated Four Years before Latest Fiscal Year	889,443	917,114
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	1,393,398	848,341
Total	18,329,587	18,188,898
Financing Receivable, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
Financing Receivable, Revolving, Writeoff	1,930	4,130
Financing Receivable, Year One, Originated, Current Fiscal Year, Writeoff	128	717
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff	8,172	9,594
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff	553	25,270
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff	27,490	5,958
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff	3	25
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Writeoff	3	295
Charge offs	38,279	45,989
Total commercial | Pass [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	894	1,380
Financing Receivable, Revolving	2,053,704	1,887,058
Financing Receivable, Originated in Current Fiscal Year	1,795,638	3,626,800
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	3,350,899	5,489,219
Financing Receivable, Originated Two Years before Latest Fiscal Year	5,209,806	3,691,830
Financing Receivable, Originated Three Years before Latest Fiscal Year	2,972,777	1,093,633
Financing Receivable, Originated Four Years before Latest Fiscal Year	867,918	884,162
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	1,368,018	788,529
Total	17,618,759	17,461,232
Total commercial | Special Mention [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	15	0
Financing Receivable, Revolving	33,628	22,552
Financing Receivable, Originated in Current Fiscal Year	200	8,265
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	10,597	72,084
Financing Receivable, Originated Two Years before Latest Fiscal Year	33,999	40,882
Financing Receivable, Originated Three Years before Latest Fiscal Year	30,938	6,164
Financing Receivable, Originated Four Years before Latest Fiscal Year	0	29,772
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	4,721	32,648
Total	114,082	212,368
Total commercial | Substandard
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	4,450	804
Financing Receivable, Revolving	34,639	82,216
Financing Receivable, Originated in Current Fiscal Year	110,552	131,253
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	112,324	112,123
Financing Receivable, Originated Two Years before Latest Fiscal Year	126,891	68,695
Financing Receivable, Originated Three Years before Latest Fiscal Year	98,864	27,253
Financing Receivable, Originated Four Years before Latest Fiscal Year	21,526	3,180
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	20,643	27,157
Total	525,439	451,876
Total commercial | Nonaccrual Loan [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	550	6,414
Financing Receivable, Revolving	0	0
Financing Receivable, Originated in Current Fiscal Year	19,293	14,710
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	29,966	14,188
Financing Receivable, Originated Two Years before Latest Fiscal Year	13,591	33,891
Financing Receivable, Originated Three Years before Latest Fiscal Year	8,440	627
Financing Receivable, Originated Four Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	16	6
Total	71,306	63,422
Total commercial | Commercial and Industrial Sector
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	5,910	8,598
Financing Receivable, Revolving	1,959,672	1,796,951
Financing Receivable, Originated in Current Fiscal Year	1,005,407	1,764,466
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,718,971	2,977,719
Financing Receivable, Originated Two Years before Latest Fiscal Year	2,732,596	1,914,057
Financing Receivable, Originated Three Years before Latest Fiscal Year	1,540,022	419,934
Financing Receivable, Originated Four Years before Latest Fiscal Year	342,931	383,789
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	670,813	474,638
Total	9,970,412	9,731,555
Financing Receivable, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
Financing Receivable, Revolving, Writeoff	1,930	4,130
Financing Receivable, Year One, Originated, Current Fiscal Year, Writeoff	128	717
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff	8,172	9,594
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff	553	25,270
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff	22,921	5,958
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff	3	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Writeoff	0	18
Charge offs	33,708	45,687
Total commercial | Commercial and Industrial Sector | Pass [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	894	1,380
Financing Receivable, Revolving	1,892,814	1,693,249
Financing Receivable, Originated in Current Fiscal Year	945,926	1,736,617
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,686,429	2,877,173
Financing Receivable, Originated Two Years before Latest Fiscal Year	2,640,605	1,824,362
Financing Receivable, Originated Three Years before Latest Fiscal Year	1,440,357	398,046
Financing Receivable, Originated Four Years before Latest Fiscal Year	327,541	383,695
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	669,712	449,006
Total	9,603,384	9,362,149
Total commercial | Commercial and Industrial Sector | Special Mention [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	15	0
Financing Receivable, Revolving	33,301	21,779
Financing Receivable, Originated in Current Fiscal Year	200	4,017
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	10,597	46,610
Financing Receivable, Originated Two Years before Latest Fiscal Year	3,565	8,525
Financing Receivable, Originated Three Years before Latest Fiscal Year	26,148	3,529
Financing Receivable, Originated Four Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0	25,341
Total	73,811	109,801
Total commercial | Commercial and Industrial Sector | Substandard
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	4,450	804
Financing Receivable, Revolving	33,557	81,924
Financing Receivable, Originated in Current Fiscal Year	58,653	10,515
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	17,654	39,748
Financing Receivable, Originated Two Years before Latest Fiscal Year	74,835	47,279
Financing Receivable, Originated Three Years before Latest Fiscal Year	70,837	17,732
Financing Receivable, Originated Four Years before Latest Fiscal Year	15,389	94
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	1,101	291
Total	272,027	197,582
Total commercial | Commercial and Industrial Sector | Nonaccrual Loan [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	550	6,414
Financing Receivable, Revolving	0	0
Financing Receivable, Originated in Current Fiscal Year	628	13,317
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	4,291	14,188
Financing Receivable, Originated Two Years before Latest Fiscal Year	13,591	33,891
Financing Receivable, Originated Three Years before Latest Fiscal Year	2,680	627
Financing Receivable, Originated Four Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0	0
Total	21,190	62,022
Total commercial | Commercial real estate — owner occupied
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0	0
Financing Receivable, Revolving	11,172	15,957
Financing Receivable, Originated in Current Fiscal Year	106,780	220,168
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	215,630	190,794
Financing Receivable, Originated Two Years before Latest Fiscal Year	182,396	251,783
Financing Receivable, Originated Three Years before Latest Fiscal Year	235,446	147,708
Financing Receivable, Originated Four Years before Latest Fiscal Year	135,735	138,816
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	214,987	96,473
Total	1,102,146	1,061,700
Financing Receivable, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
Financing Receivable, Revolving, Writeoff	0	0
Financing Receivable, Year One, Originated, Current Fiscal Year, Writeoff	0	0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff	0	0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff	0	0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff	0	0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff	0	25
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Writeoff	3	0
Charge offs	3	25
Total commercial | Commercial real estate — owner occupied | Pass [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0	0
Financing Receivable, Revolving	10,090	15,393
Financing Receivable, Originated in Current Fiscal Year	94,971	204,039
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	195,479	188,003
Financing Receivable, Originated Two Years before Latest Fiscal Year	180,063	239,218
Financing Receivable, Originated Three Years before Latest Fiscal Year	230,991	136,535
Financing Receivable, Originated Four Years before Latest Fiscal Year	129,599	135,730
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	207,113	92,339
Total	1,048,306	1,011,259
Total commercial | Commercial real estate — owner occupied | Special Mention [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan		0
Financing Receivable, Revolving		271
Financing Receivable, Originated in Current Fiscal Year		0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year		0
Financing Receivable, Originated Two Years before Latest Fiscal Year		6,150
Financing Receivable, Originated Three Years before Latest Fiscal Year		2,635
Financing Receivable, Originated Four Years before Latest Fiscal Year		0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year		1,293
Total		10,349
Total commercial | Commercial real estate — owner occupied | Substandard
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0	0
Financing Receivable, Revolving	1,082	292
Financing Receivable, Originated in Current Fiscal Year	11,518	14,735
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	18,592	2,791
Financing Receivable, Originated Two Years before Latest Fiscal Year	2,332	6,416
Financing Receivable, Originated Three Years before Latest Fiscal Year	4,456	8,537
Financing Receivable, Originated Four Years before Latest Fiscal Year	6,136	3,086
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	7,874	2,841
Total	51,989	38,699
Total commercial | Commercial real estate — owner occupied | Nonaccrual Loan [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0	0
Financing Receivable, Revolving	0	0
Financing Receivable, Originated in Current Fiscal Year	291	1,394
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,559	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0	0
Total	1,851	1,394
Total commercial | Commercial and business lending
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	5,910	8,598
Financing Receivable, Revolving	1,970,844	1,812,909
Financing Receivable, Originated in Current Fiscal Year	1,112,187	1,984,635
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,934,601	3,168,514
Financing Receivable, Originated Two Years before Latest Fiscal Year	2,914,992	2,165,840
Financing Receivable, Originated Three Years before Latest Fiscal Year	1,775,468	567,642
Financing Receivable, Originated Four Years before Latest Fiscal Year	478,666	522,606
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	885,799	571,111
Total	11,072,558	10,793,255
Financing Receivable, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
Financing Receivable, Revolving, Writeoff	1,930	4,130
Financing Receivable, Year One, Originated, Current Fiscal Year, Writeoff	128	717
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff	8,172	9,594
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff	553	25,270
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff	22,921	5,958
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff	3	25
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Writeoff	3	18
Charge offs	33,710	45,713
Total commercial | Commercial and business lending | Pass [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	894	1,380
Financing Receivable, Revolving	1,902,904	1,708,642
Financing Receivable, Originated in Current Fiscal Year	1,040,896	1,940,657
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,881,908	3,065,177
Financing Receivable, Originated Two Years before Latest Fiscal Year	2,820,669	2,063,580
Financing Receivable, Originated Three Years before Latest Fiscal Year	1,671,348	534,581
Financing Receivable, Originated Four Years before Latest Fiscal Year	457,140	519,426
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	876,825	541,345
Total	10,651,690	10,373,408
Total commercial | Commercial and business lending | Special Mention [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	15	0
Financing Receivable, Revolving	33,301	22,050
Financing Receivable, Originated in Current Fiscal Year	200	4,017
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	10,597	46,610
Financing Receivable, Originated Two Years before Latest Fiscal Year	3,565	14,675
Financing Receivable, Originated Three Years before Latest Fiscal Year	26,148	6,164
Financing Receivable, Originated Four Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0	26,634
Total	73,811	120,150
Total commercial | Commercial and business lending | Substandard
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	4,450	804
Financing Receivable, Revolving	34,639	82,216
Financing Receivable, Originated in Current Fiscal Year	70,171	25,250
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	36,246	42,539
Financing Receivable, Originated Two Years before Latest Fiscal Year	77,167	53,695
Financing Receivable, Originated Three Years before Latest Fiscal Year	75,293	26,269
Financing Receivable, Originated Four Years before Latest Fiscal Year	21,526	3,180
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	8,974	3,132
Total	324,016	236,281
Total commercial | Commercial and business lending | Nonaccrual Loan [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	550	6,414
Financing Receivable, Revolving	0	0
Financing Receivable, Originated in Current Fiscal Year	919	14,710
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	5,850	14,188
Financing Receivable, Originated Two Years before Latest Fiscal Year	13,591	33,891
Financing Receivable, Originated Three Years before Latest Fiscal Year	2,680	627
Financing Receivable, Originated Four Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0	0
Total	23,041	63,416
Total commercial | Commercial real estate — investor
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0	0
Financing Receivable, Revolving	127,342	155,611
Financing Receivable, Originated in Current Fiscal Year	699,555	1,374,116
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,115,386	1,342,492
Financing Receivable, Originated Two Years before Latest Fiscal Year	1,305,965	1,121,633
Financing Receivable, Originated Three Years before Latest Fiscal Year	872,312	472,355
Financing Receivable, Originated Four Years before Latest Fiscal Year	384,729	388,768
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	496,103	269,269
Total	5,001,392	5,124,245
Financing Receivable, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
Financing Receivable, Revolving, Writeoff	0	0
Financing Receivable, Year One, Originated, Current Fiscal Year, Writeoff	0	0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff	0	0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff	0	0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff	4,569	0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff	0	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Writeoff	0	252
Charge offs	4,569	252
Total commercial | Commercial real estate — investor | Pass [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0	0
Financing Receivable, Revolving	127,015	155,109
Financing Receivable, Originated in Current Fiscal Year	640,800	1,263,866
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,015,192	1,247,434
Financing Receivable, Originated Two Years before Latest Fiscal Year	1,267,257	1,080,425
Financing Receivable, Originated Three Years before Latest Fiscal Year	838,190	471,371
Financing Receivable, Originated Four Years before Latest Fiscal Year	384,729	358,996
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	479,713	239,230
Total	4,752,897	4,816,433
Total commercial | Commercial real estate — investor | Special Mention [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0	0
Financing Receivable, Revolving	327	502
Financing Receivable, Originated in Current Fiscal Year	0	4,248
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0	25,474
Financing Receivable, Originated Two Years before Latest Fiscal Year	2,480	26,208
Financing Receivable, Originated Three Years before Latest Fiscal Year	4,790	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0	29,772
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	4,721	6,014
Total	12,318	92,218
Total commercial | Commercial real estate — investor | Substandard
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0	0
Financing Receivable, Revolving	0	0
Financing Receivable, Originated in Current Fiscal Year	40,381	106,002
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	76,079	69,584
Financing Receivable, Originated Two Years before Latest Fiscal Year	36,228	15,000
Financing Receivable, Originated Three Years before Latest Fiscal Year	23,571	983
Financing Receivable, Originated Four Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	11,669	24,025
Total	187,928	215,595
Total commercial | Commercial real estate — investor | Nonaccrual Loan [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0
Financing Receivable, Revolving	0
Financing Receivable, Originated in Current Fiscal Year	18,374
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	24,115
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	5,760
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Total	48,249
Total commercial | Real estate construction
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0	0
Financing Receivable, Revolving	23,785	23,307
Financing Receivable, Originated in Current Fiscal Year	113,941	422,277
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	453,799	1,176,608
Financing Receivable, Originated Two Years before Latest Fiscal Year	1,163,329	547,825
Financing Receivable, Originated Three Years before Latest Fiscal Year	463,239	87,680
Financing Receivable, Originated Four Years before Latest Fiscal Year	26,048	5,740
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	11,496	7,960
Total	2,255,637	2,271,398
Financing Receivable, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
Financing Receivable, Revolving, Writeoff		0
Financing Receivable, Year One, Originated, Current Fiscal Year, Writeoff		0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff		0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff		0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff		0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff		0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Writeoff		25
Charge offs		25
Total commercial | Real estate construction | Pass [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0	0
Financing Receivable, Revolving	23,785	23,307
Financing Receivable, Originated in Current Fiscal Year	113,941	422,277
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	453,799	1,176,608
Financing Receivable, Originated Two Years before Latest Fiscal Year	1,121,881	547,825
Financing Receivable, Originated Three Years before Latest Fiscal Year	463,239	87,680
Financing Receivable, Originated Four Years before Latest Fiscal Year	26,048	5,740
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	11,480	7,954
Total	2,214,172	2,271,392
Total commercial | Real estate construction | Special Mention [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0
Financing Receivable, Revolving	0
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	27,953
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Total	27,953
Total commercial | Real estate construction | Substandard
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0
Financing Receivable, Revolving	0
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	13,495
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Total	13,495
Total commercial | Real estate construction | Nonaccrual Loan [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0	0
Financing Receivable, Revolving	0	0
Financing Receivable, Originated in Current Fiscal Year	0	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	16	6
Total	16	6
Total commercial | Commercial Real Estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0	0
Financing Receivable, Revolving	151,127	178,918
Financing Receivable, Originated in Current Fiscal Year	813,496	1,796,393
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,569,185	2,519,100
Financing Receivable, Originated Two Years before Latest Fiscal Year	2,469,294	1,669,458
Financing Receivable, Originated Three Years before Latest Fiscal Year	1,335,551	560,035
Financing Receivable, Originated Four Years before Latest Fiscal Year	410,777	394,508
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	507,599	277,230
Total	7,257,029	7,395,644
Financing Receivable, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
Financing Receivable, Revolving, Writeoff	0	0
Financing Receivable, Year One, Originated, Current Fiscal Year, Writeoff	0	0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff	0	0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff	0	0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff	4,569	0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff	0	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Writeoff	0	277
Charge offs	4,569	277
Total commercial | Commercial Real Estate | Pass [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0	0
Financing Receivable, Revolving	150,800	178,416
Financing Receivable, Originated in Current Fiscal Year	754,741	1,686,143
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,468,991	2,424,042
Financing Receivable, Originated Two Years before Latest Fiscal Year	2,389,137	1,628,250
Financing Receivable, Originated Three Years before Latest Fiscal Year	1,301,429	559,052
Financing Receivable, Originated Four Years before Latest Fiscal Year	410,777	364,737
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	491,193	247,184
Total	6,967,069	7,087,824
Total commercial | Commercial Real Estate | Special Mention [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0	0
Financing Receivable, Revolving	327	502
Financing Receivable, Originated in Current Fiscal Year	0	4,248
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0	25,474
Financing Receivable, Originated Two Years before Latest Fiscal Year	30,433	26,208
Financing Receivable, Originated Three Years before Latest Fiscal Year	4,790	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0	29,772
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	4,721	6,014
Total	40,271	92,218
Total commercial | Commercial Real Estate | Substandard
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0	0
Financing Receivable, Revolving	0	0
Financing Receivable, Originated in Current Fiscal Year	40,381	106,002
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	76,079	69,584
Financing Receivable, Originated Two Years before Latest Fiscal Year	49,724	15,000
Financing Receivable, Originated Three Years before Latest Fiscal Year	23,571	983
Financing Receivable, Originated Four Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	11,669	24,025
Total	201,424	215,595
Total commercial | Commercial Real Estate | Nonaccrual Loan [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0	0
Financing Receivable, Revolving	0	0
Financing Receivable, Originated in Current Fiscal Year	18,374	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	24,115	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	5,760	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	16	6
Total	48,265	6
Total consumer
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	6,537	10,369
Financing Receivable, Revolving	721,819	720,563
Financing Receivable, Originated in Current Fiscal Year	718,850	1,582,862
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,489,197	2,620,341
Financing Receivable, Originated Two Years before Latest Fiscal Year	2,511,886	2,204,564
Financing Receivable, Originated Three Years before Latest Fiscal Year	2,137,930	1,428,395
Financing Receivable, Originated Four Years before Latest Fiscal Year	1,377,616	660,909
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	2,331,386	1,809,685
Total	11,288,684	11,027,319
Financing Receivable, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
Financing Receivable, Revolving, Writeoff	3,374	4,937
Financing Receivable, Year One, Originated, Current Fiscal Year, Writeoff	56	818
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff	1,648	4,630
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff	3,213	823
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff	329	279
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff	78	105
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Writeoff	332	1,187
Charge offs	9,029	12,779
Total consumer | Pass [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	5,584	8,824
Financing Receivable, Revolving	718,898	717,632
Financing Receivable, Originated in Current Fiscal Year	717,655	1,579,238
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,484,555	2,603,843
Financing Receivable, Originated Two Years before Latest Fiscal Year	2,494,485	2,194,529
Financing Receivable, Originated Three Years before Latest Fiscal Year	2,127,121	1,417,802
Financing Receivable, Originated Four Years before Latest Fiscal Year	1,369,163	653,584
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	2,287,027	1,768,145
Total	11,198,905	10,934,773
Total consumer | Special Mention [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	250	205
Financing Receivable, Revolving	952	1,043
Financing Receivable, Originated in Current Fiscal Year	101	628
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	734	1,936
Financing Receivable, Originated Two Years before Latest Fiscal Year	1,120	208
Financing Receivable, Originated Three Years before Latest Fiscal Year	259	49
Financing Receivable, Originated Four Years before Latest Fiscal Year	20	110
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	893	441
Total	4,080	4,416
Total consumer | Substandard
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0	10
Financing Receivable, Revolving	1,759	1,656
Financing Receivable, Originated in Current Fiscal Year	0	500
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	502	166
Financing Receivable, Originated Two Years before Latest Fiscal Year	94	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0	207
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	228	26
Total	2,583	2,556
Total consumer | Nonaccrual Loan [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	704	1,330
Financing Receivable, Revolving	209	231
Financing Receivable, Originated in Current Fiscal Year	1,094	2,496
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	3,406	14,396
Financing Receivable, Originated Two Years before Latest Fiscal Year	16,186	9,827
Financing Receivable, Originated Three Years before Latest Fiscal Year	10,550	10,544
Financing Receivable, Originated Four Years before Latest Fiscal Year	8,433	7,007
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	43,238	41,073
Total	83,117	85,574
Total consumer | Residential mortgage
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0	0
Financing Receivable, Revolving	0	0
Financing Receivable, Originated in Current Fiscal Year	60,978	354,236
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	444,983	1,627,070
Financing Receivable, Originated Two Years before Latest Fiscal Year	1,676,175	2,119,836
Financing Receivable, Originated Three Years before Latest Fiscal Year	2,068,045	1,424,583
Financing Receivable, Originated Four Years before Latest Fiscal Year	1,374,533	654,675
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	2,215,359	1,684,490
Total	7,840,073	7,864,891
Financing Receivable, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
Financing Receivable, Revolving, Writeoff	0	0
Financing Receivable, Year One, Originated, Current Fiscal Year, Writeoff	0	2
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff	58	32
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff	60	42
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff	7	148
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff	32	5
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Writeoff	267	723
Charge offs	423	952
Total consumer | Residential mortgage | Pass [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0	0
Financing Receivable, Revolving	0	0
Financing Receivable, Originated in Current Fiscal Year	59,996	352,321
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	442,905	1,617,409
Financing Receivable, Originated Two Years before Latest Fiscal Year	1,665,096	2,110,577
Financing Receivable, Originated Three Years before Latest Fiscal Year	2,058,192	1,414,186
Financing Receivable, Originated Four Years before Latest Fiscal Year	1,366,320	647,778
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	2,178,474	1,650,542
Total	7,770,983	7,792,813
Total consumer | Residential mortgage | Special Mention [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0	0
Financing Receivable, Revolving	0	0
Financing Receivable, Originated in Current Fiscal Year	0	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0	95
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	287	57
Total	287	152
Total consumer | Residential mortgage | Substandard
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0	0
Financing Receivable, Revolving	0	0
Financing Receivable, Originated in Current Fiscal Year	0	490
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	458	93
Financing Receivable, Originated Two Years before Latest Fiscal Year	92	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0	174
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	196	26
Total	745	784
Total consumer | Residential mortgage | Nonaccrual Loan [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0	0
Financing Receivable, Revolving	0	0
Financing Receivable, Originated in Current Fiscal Year	982	1,425
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,621	9,567
Financing Receivable, Originated Two Years before Latest Fiscal Year	10,987	9,259
Financing Receivable, Originated Three Years before Latest Fiscal Year	9,853	10,397
Financing Receivable, Originated Four Years before Latest Fiscal Year	8,214	6,628
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	36,402	33,865
Total	68,058	71,142
Total consumer | Automobile Loan
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0	0
Financing Receivable, Revolving	0	0
Financing Receivable, Originated in Current Fiscal Year	650,830	1,220,471
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,037,958	959,094
Financing Receivable, Originated Two Years before Latest Fiscal Year	804,442	75,844
Financing Receivable, Originated Three Years before Latest Fiscal Year	62,440	163
Financing Receivable, Originated Four Years before Latest Fiscal Year	114	458
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	225	132
Total	2,556,009	2,256,162
Financing Receivable, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
Financing Receivable, Revolving, Writeoff	0	0
Financing Receivable, Year One, Originated, Current Fiscal Year, Writeoff	53	795
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff	1,549	4,524
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff	3,100	626
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff	294	0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff	0	5
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Writeoff	0	0
Charge offs	4,996	5,950
Total consumer | Automobile Loan | Pass [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0	0
Financing Receivable, Revolving	0	0
Financing Receivable, Originated in Current Fiscal Year	650,646	1,218,820
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,035,480	952,839
Financing Receivable, Originated Two Years before Latest Fiscal Year	798,751	75,209
Financing Receivable, Originated Three Years before Latest Fiscal Year	61,750	163
Financing Receivable, Originated Four Years before Latest Fiscal Year	114	456
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	225	132
Total	2,546,966	2,247,618
Total consumer | Automobile Loan | Special Mention [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0	0
Financing Receivable, Revolving	0	0
Financing Receivable, Originated in Current Fiscal Year	101	619
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	674	1,850
Financing Receivable, Originated Two Years before Latest Fiscal Year	1,072	205
Financing Receivable, Originated Three Years before Latest Fiscal Year	170	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0	0
Total	2,018	2,674
Total consumer | Automobile Loan | Substandard
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0	0
Financing Receivable, Revolving	0	0
Financing Receivable, Originated in Current Fiscal Year	0	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	36	73
Financing Receivable, Originated Two Years before Latest Fiscal Year	2	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0	0
Total	39	73
Total consumer | Automobile Loan | Nonaccrual Loan [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0	0
Financing Receivable, Revolving	0	0
Financing Receivable, Originated in Current Fiscal Year	82	1,032
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,767	4,332
Financing Receivable, Originated Two Years before Latest Fiscal Year	4,617	430
Financing Receivable, Originated Three Years before Latest Fiscal Year	519	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0	3
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0	0
Total	6,986	5,797
Total consumer | Home equity
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	6,456	10,195
Financing Receivable, Revolving	532,704	521,434
Financing Receivable, Originated in Current Fiscal Year	291	1,717
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,737	30,445
Financing Receivable, Originated Two Years before Latest Fiscal Year	28,664	6,217
Financing Receivable, Originated Three Years before Latest Fiscal Year	6,174	2,500
Financing Receivable, Originated Four Years before Latest Fiscal Year	2,288	5,308
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	62,285	60,907
Total	634,142	628,526
Financing Receivable, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
Financing Receivable, Revolving, Writeoff	93	53
Financing Receivable, Year One, Originated, Current Fiscal Year, Writeoff	0	21
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff	0	3
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff	9	31
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff	0	0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff	8	22
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Writeoff	37	294
Charge offs	147	424
Total consumer | Home equity | Pass [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	5,512	8,703
Financing Receivable, Revolving	532,317	521,000
Financing Receivable, Originated in Current Fiscal Year	261	1,678
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,660	29,863
Financing Receivable, Originated Two Years before Latest Fiscal Year	28,051	6,084
Financing Receivable, Originated Three Years before Latest Fiscal Year	5,925	2,327
Financing Receivable, Originated Four Years before Latest Fiscal Year	2,051	4,891
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	54,824	53,350
Total	625,089	619,192
Total consumer | Home equity | Special Mention [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	246	179
Financing Receivable, Revolving	226	200
Financing Receivable, Originated in Current Fiscal Year	0	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	59	87
Financing Receivable, Originated Two Years before Latest Fiscal Year	37	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	75	29
Financing Receivable, Originated Four Years before Latest Fiscal Year	18	15
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	603	378
Total	1,018	708
Total consumer | Home equity | Substandard
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0	10
Financing Receivable, Revolving	0	75
Financing Receivable, Originated in Current Fiscal Year	0	10
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	8	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0	33
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	32	0
Total	40	118
Total consumer | Home equity | Nonaccrual Loan [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	698	1,302
Financing Receivable, Revolving	161	160
Financing Receivable, Originated in Current Fiscal Year	30	29
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	10	495
Financing Receivable, Originated Two Years before Latest Fiscal Year	576	132
Financing Receivable, Originated Three Years before Latest Fiscal Year	174	144
Financing Receivable, Originated Four Years before Latest Fiscal Year	219	368
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	6,827	7,180
Total	7,996	8,508
Total consumer | Other consumer
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	81	174
Financing Receivable, Revolving	189,115	199,129
Financing Receivable, Originated in Current Fiscal Year	6,751	6,438
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	4,519	3,733
Financing Receivable, Originated Two Years before Latest Fiscal Year	2,605	2,668
Financing Receivable, Originated Three Years before Latest Fiscal Year	1,272	1,149
Financing Receivable, Originated Four Years before Latest Fiscal Year	681	468
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	53,518	64,156
Total	258,460	277,740
Financing Receivable, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
Financing Receivable, Revolving, Writeoff	3,281	4,884
Financing Receivable, Year One, Originated, Current Fiscal Year, Writeoff	3	0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff	41	72
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff	44	124
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff	28	131
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff	38	72
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Writeoff	29	170
Charge offs	3,463	5,453
Total consumer | Other consumer | Pass [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	72	121
Financing Receivable, Revolving	186,582	196,632
Financing Receivable, Originated in Current Fiscal Year	6,751	6,419
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	4,511	3,732
Financing Receivable, Originated Two Years before Latest Fiscal Year	2,586	2,658
Financing Receivable, Originated Three Years before Latest Fiscal Year	1,254	1,127
Financing Receivable, Originated Four Years before Latest Fiscal Year	679	460
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	53,504	64,121
Total	255,867	275,149
Total consumer | Other consumer | Special Mention [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	4	26
Financing Receivable, Revolving	726	843
Financing Receivable, Originated in Current Fiscal Year	0	9
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	11	3
Financing Receivable, Originated Three Years before Latest Fiscal Year	14	20
Financing Receivable, Originated Four Years before Latest Fiscal Year	1	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	4	6
Total	757	881
Total consumer | Other consumer | Substandard
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0	0
Financing Receivable, Revolving	1,759	1,582
Financing Receivable, Originated in Current Fiscal Year	0	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0	0
Total	1,759	1,582
Total consumer | Other consumer | Nonaccrual Loan [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	5	27
Financing Receivable, Revolving	49	71
Financing Receivable, Originated in Current Fiscal Year	0	10
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	8	1
Financing Receivable, Originated Two Years before Latest Fiscal Year	7	6
Financing Receivable, Originated Three Years before Latest Fiscal Year	4	2
Financing Receivable, Originated Four Years before Latest Fiscal Year	0	8
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	9	29
Total	$ 77	$ 128

XML

Loans Past Due Status (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended	12 Months Ended
	Jun. 30, 2024	Jun. 30, 2024	Dec. 31, 2023
Summarized details of Loans
Current	$ 29,426,541	$ 29,426,541	$ 28,983,708
Financing Receivable, Nonaccrual	154,423	154,423	148,997
Loans and Leases Receivable, Net of Deferred Income, Total	29,618,271	29,618,271	29,216,218
Nonaccrual Loans, Current Portion	$ 63,000	$ 63,000	$ 80,000
Percent of current nonaccrual loans	41.00%	41.00%	53.00%
Financing Receivable, Nonaccrual, Interest Income	$ 0	$ 0	$ 0
Financing Receivable, Nonaccrual, No Allowance	13,000	13,000	23,000
30-59 Days Past Due
Summarized details of Loans
Total Past Due	30,587	30,587	38,113
60-89 Days Past Due
Summarized details of Loans
Total Past Due	4,365	4,365	23,712
Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Summarized details of Loans
Total Past Due	2,354	2,354	21,689
Commercial and Industrial Sector
Summarized details of Loans
Current	9,946,786	9,946,786	9,663,587
Financing Receivable, Nonaccrual	21,190	21,190	62,022
Loans and Leases Receivable, Net of Deferred Income, Total	9,970,412	9,970,412	9,731,555
Commercial and Industrial Sector | 30-59 Days Past Due
Summarized details of Loans
Total Past Due	1,830	1,830	5,374
Commercial and Industrial Sector | 60-89 Days Past Due
Summarized details of Loans
Total Past Due	222	222	191
Commercial and Industrial Sector | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Summarized details of Loans
Total Past Due	384	384	380
Commercial real estate — owner occupied
Summarized details of Loans
Current	1,100,295	1,100,295	1,059,948
Financing Receivable, Nonaccrual	1,851	1,851	1,394
Loans and Leases Receivable, Net of Deferred Income, Total	1,102,146	1,102,146	1,061,700
Commercial real estate — owner occupied | 30-59 Days Past Due
Summarized details of Loans
Total Past Due	0	0	0
Commercial real estate — owner occupied | 60-89 Days Past Due
Summarized details of Loans
Total Past Due	0	0	358
Commercial real estate — owner occupied | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Summarized details of Loans
Total Past Due	0	0	0
Commercial and business lending
Summarized details of Loans
Current	11,047,081	11,047,081	10,723,536
Financing Receivable, Nonaccrual	23,041	23,041	63,416
Loans and Leases Receivable, Net of Deferred Income, Total	11,072,558	11,072,558	10,793,255
Commercial and business lending | 30-59 Days Past Due
Summarized details of Loans
Total Past Due	1,830	1,830	5,374
Commercial and business lending | 60-89 Days Past Due
Summarized details of Loans
Total Past Due	222	222	549
Commercial and business lending | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Summarized details of Loans
Total Past Due	384	384	380
Commercial real estate — investor
Summarized details of Loans
Current	4,952,120	4,952,120	5,086,117
Financing Receivable, Nonaccrual	48,249	48,249	0
Loans and Leases Receivable, Net of Deferred Income, Total	5,001,392	5,001,392	5,124,245
Commercial real estate — investor | 30-59 Days Past Due
Summarized details of Loans
Total Past Due	1,023	1,023	0
Commercial real estate — investor | 60-89 Days Past Due
Summarized details of Loans
Total Past Due	0	0	18,697
Commercial real estate — investor | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Summarized details of Loans
Total Past Due	0	0	19,432
Real estate construction
Summarized details of Loans
Current	2,255,621	2,255,621	2,271,392
Financing Receivable, Nonaccrual	16	16	6
Loans and Leases Receivable, Net of Deferred Income, Total	2,255,637	2,255,637	2,271,398
Real estate construction | 30-59 Days Past Due
Summarized details of Loans
Total Past Due	0	0	0
Real estate construction | 60-89 Days Past Due
Summarized details of Loans
Total Past Due	0	0	0
Real estate construction | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Summarized details of Loans
Total Past Due	0	0	0
Commercial real estate lending
Summarized details of Loans
Current	7,207,741	7,207,741	7,357,509
Financing Receivable, Nonaccrual	48,265	48,265	6
Loans and Leases Receivable, Net of Deferred Income, Total	7,257,029	7,257,029	7,395,644
Commercial real estate lending | 30-59 Days Past Due
Summarized details of Loans
Total Past Due	1,023	1,023	0
Commercial real estate lending | 60-89 Days Past Due
Summarized details of Loans
Total Past Due	0	0	18,697
Commercial real estate lending | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Summarized details of Loans
Total Past Due	0	0	19,432
Total commercial
Summarized details of Loans
Current	18,254,821	18,254,821	18,081,044
Financing Receivable, Nonaccrual	71,306	71,306	63,422
Loans and Leases Receivable, Net of Deferred Income, Total	18,329,587	18,329,587	18,188,898
Total commercial | 30-59 Days Past Due
Summarized details of Loans
Total Past Due	2,853	2,853	5,374
Total commercial | 60-89 Days Past Due
Summarized details of Loans
Total Past Due	222	222	19,246
Total commercial | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Summarized details of Loans
Total Past Due	384	384	19,812
Residential mortgage
Summarized details of Loans
Current	7,761,641	7,761,641	7,780,304
Financing Receivable, Nonaccrual	68,058	68,058	71,142
Loans and Leases Receivable, Net of Deferred Income, Total	7,840,073	7,840,073	7,864,891
Residential mortgage | 30-59 Days Past Due
Summarized details of Loans
Total Past Due	10,087	10,087	13,294
Residential mortgage | 60-89 Days Past Due
Summarized details of Loans
Total Past Due	287	287	152
Residential mortgage | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Summarized details of Loans
Total Past Due	0	0	0
Automobile Loan
Summarized details of Loans
Current	2,533,170	2,533,170	2,232,906
Financing Receivable, Nonaccrual	6,986	6,986	5,797
Loans and Leases Receivable, Net of Deferred Income, Total	2,556,009	2,556,009	2,256,162
Automobile Loan | 30-59 Days Past Due
Summarized details of Loans
Total Past Due	13,796	13,796	14,712
Automobile Loan | 60-89 Days Past Due
Summarized details of Loans
Total Past Due	2,018	2,018	2,674
Automobile Loan | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Summarized details of Loans
Total Past Due	39	39	73
Home equity
Summarized details of Loans
Current	622,452	622,452	615,810
Financing Receivable, Nonaccrual	7,996	7,996	8,508
Loans and Leases Receivable, Net of Deferred Income, Total	634,142	634,142	628,526
Home equity | 30-59 Days Past Due
Summarized details of Loans
Total Past Due	2,677	2,677	3,500
Home equity | 60-89 Days Past Due
Summarized details of Loans
Total Past Due	1,018	1,018	708
Home equity | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Summarized details of Loans
Total Past Due	0	0	0
Other consumer
Summarized details of Loans
Current	254,457	254,457	273,644
Financing Receivable, Nonaccrual	77	77	128
Loans and Leases Receivable, Net of Deferred Income, Total	258,460	258,460	277,740
Other consumer | 30-59 Days Past Due
Summarized details of Loans
Total Past Due	1,175	1,175	1,233
Other consumer | 60-89 Days Past Due
Summarized details of Loans
Total Past Due	820	820	932
Other consumer | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Summarized details of Loans
Total Past Due	1,931	1,931	1,803
Total consumer
Summarized details of Loans
Current	11,171,720	11,171,720	10,902,664
Financing Receivable, Nonaccrual	83,117	83,117	85,574
Loans and Leases Receivable, Net of Deferred Income, Total	11,288,684	11,288,684	11,027,319
Total consumer | 30-59 Days Past Due
Summarized details of Loans
Total Past Due	27,735	27,735	32,739
Total consumer | 60-89 Days Past Due
Summarized details of Loans
Total Past Due	4,143	4,143	4,467
Total consumer | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Summarized details of Loans
Total Past Due	$ 1,970	$ 1,970	$ 1,876

XML

Loans, Modifications (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Financing Receivable, Modified [Line Items]
Financing Receivable, Modified, Weighted Average Term, Range, From		204 months	254 months	223 months
Financing Receivable, Modified, Weighted Average Term, Range, To		252 months	407 months	285 months
Interest Rate Below Market Reduction [Member]
Financing Receivable, Modified [Line Items]
Financing Receivable, Modified in Period, Amount	$ 930	$ 679	$ 1,552	$ 1,314
Financing Receivable, Modified, Weighted Average Interest Rate Decrease from Modification	(18.00%)	(11.00%)	(13.00%)	(11.00%)
Extended Maturity [Member]
Financing Receivable, Modified [Line Items]
Financing Receivable, Modified in Period, Amount	$ 0	$ 27	$ 0	$ 235
Financing Receivable, Modified, Weighted Average Term Increase from Modification	0 months	48 months	153 months	63 months
Extended Maturity and Interest Rate Reduction [Member]
Financing Receivable, Modified [Line Items]
Financing Receivable, Modified in Period, Amount	$ 0	$ 432	$ 670	$ 687
Commercial and Industrial Sector | Interest Rate Below Market Reduction [Member]
Financing Receivable, Modified [Line Items]
Financing Receivable, Modified in Period, Amount	$ 161	$ 122	$ 298	$ 168
Financing Receivable, Modified, Weighted Average Interest Rate Decrease from Modification	(19.00%)	(18.00%)	(17.00%)	(17.00%)
Automobile Loan | Interest Rate Below Market Reduction [Member]
Financing Receivable, Modified [Line Items]
Financing Receivable, Modified in Period, Amount	$ 139	$ 21	$ 144	$ 80
Financing Receivable, Modified, Weighted Average Interest Rate Decrease from Modification	(8.00%)	(9.00%)	(8.00%)	(4.00%)
Residential mortgage | Interest Rate Below Market Reduction [Member]
Financing Receivable, Modified [Line Items]
Financing Receivable, Modified, Weighted Average Interest Rate Decrease from Modification	0.00%	2.00%	3.00%	2.00%
Residential mortgage | Extended Maturity [Member]
Financing Receivable, Modified [Line Items]
Financing Receivable, Modified in Period, Amount	$ 0	$ 0	$ 0	$ 208
Financing Receivable, Modified, Weighted Average Term Increase from Modification	0 months	29 months	158 months	50 months
Residential mortgage | Extended Maturity and Interest Rate Reduction [Member]
Financing Receivable, Modified [Line Items]
Financing Receivable, Modified in Period, Amount	$ 0	$ 356	$ 641	$ 519
Home equity | Interest Rate Below Market Reduction [Member]
Financing Receivable, Modified [Line Items]
Financing Receivable, Modified in Period, Amount	$ 0	$ 47	$ 0	$ 78
Financing Receivable, Modified, Weighted Average Interest Rate Decrease from Modification	0.00%	2.00%	(3.00%)	0.00%
Home equity | Extended Maturity [Member]
Financing Receivable, Modified [Line Items]
Financing Receivable, Modified in Period, Amount	$ 0	$ 27	$ 0	$ 27
Financing Receivable, Modified, Weighted Average Term Increase from Modification	0 months	113 months	64 months	110 months
Home equity | Extended Maturity and Interest Rate Reduction [Member]
Financing Receivable, Modified [Line Items]
Financing Receivable, Modified in Period, Amount	$ 0	$ 77	$ 30	$ 168
Other consumer | Interest Rate Below Market Reduction [Member]
Financing Receivable, Modified [Line Items]
Financing Receivable, Modified in Period, Amount	$ 631	$ 489	$ 1,110	$ 988
Financing Receivable, Modified, Weighted Average Interest Rate Decrease from Modification	(22.00%)	(21.00%)	(22.00%)	(20.00%)

XML

Loans, Modifications in Last 12 Months, Performance - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Financial Asset, Not Past Due [Member]
Financing Receivable, Modified in the Last 12 Months, Performance [Line Items]
Financing Receivable, Modified in Period, Amount	$ 3,173	$ 2,019
Financial Asset, 30-89 Days Past Due [Member]
Financing Receivable, Modified in the Last 12 Months, Performance [Line Items]
Financing Receivable, Modified in Period, Amount	65	208
Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Financing Receivable, Modified in the Last 12 Months, Performance [Line Items]
Financing Receivable, Modified in Period, Amount	55	9
Commercial and Industrial Sector | Financial Asset, Not Past Due [Member]
Financing Receivable, Modified in the Last 12 Months, Performance [Line Items]
Financing Receivable, Modified in Period, Amount	410	168
Commercial and Industrial Sector | Financial Asset, 30-89 Days Past Due [Member]
Financing Receivable, Modified in the Last 12 Months, Performance [Line Items]
Financing Receivable, Modified in Period, Amount	0	0
Commercial and Industrial Sector | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Financing Receivable, Modified in the Last 12 Months, Performance [Line Items]
Financing Receivable, Modified in Period, Amount	0	0
Residential mortgage | Financial Asset, Not Past Due [Member]
Financing Receivable, Modified in the Last 12 Months, Performance [Line Items]
Financing Receivable, Modified in Period, Amount	902	519
Residential mortgage | Financial Asset, 30-89 Days Past Due [Member]
Financing Receivable, Modified in the Last 12 Months, Performance [Line Items]
Financing Receivable, Modified in Period, Amount	24	208
Residential mortgage | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Financing Receivable, Modified in the Last 12 Months, Performance [Line Items]
Financing Receivable, Modified in Period, Amount	55	0
Automobile Loan | Financial Asset, Not Past Due [Member]
Financing Receivable, Modified in the Last 12 Months, Performance [Line Items]
Financing Receivable, Modified in Period, Amount	107	80
Automobile Loan | Financial Asset, 30-89 Days Past Due [Member]
Financing Receivable, Modified in the Last 12 Months, Performance [Line Items]
Financing Receivable, Modified in Period, Amount	41	0
Automobile Loan | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Financing Receivable, Modified in the Last 12 Months, Performance [Line Items]
Financing Receivable, Modified in Period, Amount	0	0
Home equity | Financial Asset, Not Past Due [Member]
Financing Receivable, Modified in the Last 12 Months, Performance [Line Items]
Financing Receivable, Modified in Period, Amount	139	264
Home equity | Financial Asset, 30-89 Days Past Due [Member]
Financing Receivable, Modified in the Last 12 Months, Performance [Line Items]
Financing Receivable, Modified in Period, Amount	0	0
Home equity | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Financing Receivable, Modified in the Last 12 Months, Performance [Line Items]
Financing Receivable, Modified in Period, Amount	0	9
Other consumer | Financial Asset, Not Past Due [Member]
Financing Receivable, Modified in the Last 12 Months, Performance [Line Items]
Financing Receivable, Modified in Period, Amount	1,615	988
Other consumer | Financial Asset, 30-89 Days Past Due [Member]
Financing Receivable, Modified in the Last 12 Months, Performance [Line Items]
Financing Receivable, Modified in Period, Amount	0	0
Other consumer | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Financing Receivable, Modified in the Last 12 Months, Performance [Line Items]
Financing Receivable, Modified in Period, Amount	$ 0	$ 0

XML

Loans, Modified, Subsequent Default (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Interest Rate Below Market Reduction [Member]
Financing Receivable, Modified, Subsequent Default [Line Items]
Financing Receivable, Modified, Subsequent Default	$ 6	$ 0
Extended Maturity [Member]
Financing Receivable, Modified, Subsequent Default [Line Items]
Financing Receivable, Modified, Subsequent Default	0	201
Extended Maturity and Interest Rate Reduction [Member]
Financing Receivable, Modified, Subsequent Default [Line Items]
Financing Receivable, Modified, Subsequent Default	0	187
Residential mortgage | Interest Rate Below Market Reduction [Member]
Financing Receivable, Modified, Subsequent Default [Line Items]
Financing Receivable, Modified, Subsequent Default		0
Residential mortgage | Extended Maturity [Member]
Financing Receivable, Modified, Subsequent Default [Line Items]
Financing Receivable, Modified, Subsequent Default		201
Residential mortgage | Extended Maturity and Interest Rate Reduction [Member]
Financing Receivable, Modified, Subsequent Default [Line Items]
Financing Receivable, Modified, Subsequent Default		128
Home equity | Interest Rate Below Market Reduction [Member]
Financing Receivable, Modified, Subsequent Default [Line Items]
Financing Receivable, Modified, Subsequent Default		0
Home equity | Extended Maturity [Member]
Financing Receivable, Modified, Subsequent Default [Line Items]
Financing Receivable, Modified, Subsequent Default		0
Home equity | Extended Maturity and Interest Rate Reduction [Member]
Financing Receivable, Modified, Subsequent Default [Line Items]
Financing Receivable, Modified, Subsequent Default		$ 60
Automobile Loan | Interest Rate Below Market Reduction [Member]
Financing Receivable, Modified, Subsequent Default [Line Items]
Financing Receivable, Modified, Subsequent Default	6
Automobile Loan | Extended Maturity [Member]
Financing Receivable, Modified, Subsequent Default [Line Items]
Financing Receivable, Modified, Subsequent Default	0
Automobile Loan | Extended Maturity and Interest Rate Reduction [Member]
Financing Receivable, Modified, Subsequent Default [Line Items]
Financing Receivable, Modified, Subsequent Default	$ 0

XML

Loans, Changes in the Allowance for Loan Losses by Portfolio Segment (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Charge offs			$ 47,308		$ 58,768
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Off-Balance-Sheet, Credit Loss, Liability, Beginning Balance			34,776	$ 38,776	38,776
Provision for credit losses			(1,000)		(4,000)
Off-Balance-Sheet, Credit Loss, Liability, Ending Balance	$ 33,776		33,776		34,776
Allowance for credit losses on loans
Charge offs			47,308		58,768
Provision for credit losses	23,008	$ 22,100	47,009	40,071
Allowance for Loan Losses [Member]
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Financing Receivable, Allowance for Credit Loss, Beginning Balance			351,094	312,720	312,720
Charge offs			(47,308)		(58,768)
Recoveries			4,058		10,142
Net Charge offs			(43,251)		(48,626)
Provision for credit losses			48,000		87,000
Financing Receivable, Allowance for Credit Loss, Ending Balance	355,844		355,844		351,094
Allowance for credit losses on loans
Charge offs			(47,308)		(58,768)
Recoveries			4,058		10,142
Net Charge offs			(43,251)		(48,626)
Allowance for Loan Losses [Member] | Commercial and industrial
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Financing Receivable, Allowance for Credit Loss, Beginning Balance			128,263	119,076	119,076
Charge offs			(33,708)		(45,687)
Recoveries			1,394		3,015
Net Charge offs			(32,314)		(42,672)
Provision for credit losses			29,942		51,859
Financing Receivable, Allowance for Credit Loss, Ending Balance	125,891		125,891		128,263
Allowance for credit losses on loans
Charge offs			(33,708)		(45,687)
Recoveries			1,394		3,015
Net Charge offs			(32,314)		(42,672)
Allowance for Loan Losses [Member] | Commercial real estate — owner occupied
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Financing Receivable, Allowance for Credit Loss, Beginning Balance			10,610	9,475	9,475
Charge offs			(3)		(25)
Recoveries			6		11
Net Charge offs			4		(15)
Provision for credit losses			463		1,150
Financing Receivable, Allowance for Credit Loss, Ending Balance	11,077		11,077		10,610
Allowance for credit losses on loans
Charge offs			(3)		(25)
Recoveries			6		11
Net Charge offs			4		(15)
Allowance for Loan Losses [Member] | Commercial and business lending
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Financing Receivable, Allowance for Credit Loss, Beginning Balance			138,873	128,551	128,551
Charge offs			(33,710)		(45,713)
Recoveries			1,400		3,026
Net Charge offs			(32,310)		(42,687)
Provision for credit losses			30,405		53,009
Financing Receivable, Allowance for Credit Loss, Ending Balance	136,968		136,968		138,873
Allowance for credit losses on loans
Charge offs			(33,710)		(45,713)
Recoveries			1,400		3,026
Net Charge offs			(32,310)		(42,687)
Allowance for Loan Losses [Member] | Commercial real estate — investor
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Financing Receivable, Allowance for Credit Loss, Beginning Balance			67,858	54,398	54,398
Charge offs			(4,569)		(252)
Recoveries			0		3,016
Net Charge offs			(4,569)		2,763
Provision for credit losses			8,274		10,697
Financing Receivable, Allowance for Credit Loss, Ending Balance	71,563		71,563		67,858
Allowance for credit losses on loans
Charge offs			(4,569)		(252)
Recoveries			0		3,016
Net Charge offs			(4,569)		2,763
Allowance for Loan Losses [Member] | Real estate construction
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Financing Receivable, Allowance for Credit Loss, Beginning Balance			53,554	45,589	45,589
Charge offs			0		(25)
Recoveries			58		80
Net Charge offs			58		55
Provision for credit losses			2,285		7,910
Financing Receivable, Allowance for Credit Loss, Ending Balance	55,897		55,897		53,554
Allowance for credit losses on loans
Charge offs			0		(25)
Recoveries			58		80
Net Charge offs			58		55
Allowance for Loan Losses [Member] | Commercial real estate lending
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Financing Receivable, Allowance for Credit Loss, Beginning Balance			121,412	99,986	99,986
Charge offs			(4,569)		(277)
Recoveries			58		3,095
Net Charge offs			(4,511)		2,819
Provision for credit losses			10,559		18,607
Financing Receivable, Allowance for Credit Loss, Ending Balance	127,459		127,459		121,412
Allowance for credit losses on loans
Charge offs			(4,569)		(277)
Recoveries			58		3,095
Net Charge offs			(4,511)		2,819
Allowance for Loan Losses [Member] | Total commercial
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Financing Receivable, Allowance for Credit Loss, Beginning Balance			260,285	228,538	228,538
Charge offs			(38,279)		(45,989)
Recoveries			1,458		6,121
Net Charge offs			(36,821)		(39,868)
Provision for credit losses			40,963		71,616
Financing Receivable, Allowance for Credit Loss, Ending Balance	264,427		264,427		260,285
Allowance for credit losses on loans
Charge offs			(38,279)		(45,989)
Recoveries			1,458		6,121
Net Charge offs			(36,821)		(39,868)
Allowance for Loan Losses [Member] | Residential mortgage
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Financing Receivable, Allowance for Credit Loss, Beginning Balance			37,808	38,298	38,298
Charge offs			(423)		(952)
Recoveries			72		541
Net Charge offs			(351)		(411)
Provision for credit losses			(2,915)		(79)
Financing Receivable, Allowance for Credit Loss, Ending Balance	34,542		34,542		37,808
Allowance for credit losses on loans
Charge offs			(423)		(952)
Recoveries			72		541
Net Charge offs			(351)		(411)
Allowance for Loan Losses [Member] | Automobile Loan
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Financing Receivable, Allowance for Credit Loss, Beginning Balance			24,961	19,619	19,619
Charge offs			(4,996)		(5,950)
Recoveries			1,422		1,241
Net Charge offs			(3,574)		(4,709)
Provision for credit losses			6,383		10,051
Financing Receivable, Allowance for Credit Loss, Ending Balance	27,770		27,770		24,961
Allowance for credit losses on loans
Charge offs			(4,996)		(5,950)
Recoveries			1,422		1,241
Net Charge offs			(3,574)		(4,709)
Allowance for Loan Losses [Member] | Home equity
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Financing Receivable, Allowance for Credit Loss, Beginning Balance			15,403	14,875	14,875
Charge offs			(147)		(424)
Recoveries			596		1,262
Net Charge offs			449		837
Provision for credit losses			240		(310)
Financing Receivable, Allowance for Credit Loss, Ending Balance	16,092		16,092		15,403
Allowance for credit losses on loans
Charge offs			(147)		(424)
Recoveries			596		1,262
Net Charge offs			449		837
Allowance for Loan Losses [Member] | Other consumer
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Financing Receivable, Allowance for Credit Loss, Beginning Balance			12,638	11,390	11,390
Charge offs			(3,463)		(5,453)
Recoveries			509		978
Net Charge offs			(2,954)		(4,475)
Provision for credit losses			3,329		5,723
Financing Receivable, Allowance for Credit Loss, Ending Balance	13,013		13,013		12,638
Allowance for credit losses on loans
Charge offs			(3,463)		(5,453)
Recoveries			509		978
Net Charge offs			(2,954)		(4,475)
Allowance for Loan Losses [Member] | Total consumer
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Financing Receivable, Allowance for Credit Loss, Beginning Balance			90,809	84,182	84,182
Charge offs			(9,029)		(12,779)
Recoveries			2,600		4,021
Net Charge offs			(6,429)		(8,758)
Provision for credit losses			7,037		15,384
Financing Receivable, Allowance for Credit Loss, Ending Balance	91,417		91,417		90,809
Allowance for credit losses on loans
Charge offs			(9,029)		(12,779)
Recoveries			2,600		4,021
Net Charge offs			(6,429)		(8,758)
SEC Schedule, 12-09, Reserve, Off-balance Sheet Activity [Member]
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Off-Balance-Sheet, Credit Loss, Liability, Beginning Balance			34,776	38,776	38,776
Provision for credit losses			(1,000)		(4,000)
Off-Balance-Sheet, Credit Loss, Liability, Ending Balance	33,776		33,776		34,776
SEC Schedule, 12-09, Reserve, Off-balance Sheet Activity [Member] | Commercial and industrial
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Off-Balance-Sheet, Credit Loss, Liability, Beginning Balance			13,319	12,997	12,997
Provision for credit losses			(182)		321
Off-Balance-Sheet, Credit Loss, Liability, Ending Balance	13,137		13,137		13,319
SEC Schedule, 12-09, Reserve, Off-balance Sheet Activity [Member] | Commercial real estate — owner occupied
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Off-Balance-Sheet, Credit Loss, Liability, Beginning Balance			149	103	103
Provision for credit losses			20		46
Off-Balance-Sheet, Credit Loss, Liability, Ending Balance	169		169		149
SEC Schedule, 12-09, Reserve, Off-balance Sheet Activity [Member] | Commercial and business lending
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Off-Balance-Sheet, Credit Loss, Liability, Beginning Balance			13,468	13,101	13,101
Provision for credit losses			(162)		367
Off-Balance-Sheet, Credit Loss, Liability, Ending Balance	13,306		13,306		13,468
SEC Schedule, 12-09, Reserve, Off-balance Sheet Activity [Member] | Commercial real estate — investor
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Off-Balance-Sheet, Credit Loss, Liability, Beginning Balance			480	710	710
Provision for credit losses			113		(230)
Off-Balance-Sheet, Credit Loss, Liability, Ending Balance	593		593		480
SEC Schedule, 12-09, Reserve, Off-balance Sheet Activity [Member] | Real estate construction
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Off-Balance-Sheet, Credit Loss, Liability, Beginning Balance			17,024	20,583	20,583
Provision for credit losses			(1,241)		(3,558)
Off-Balance-Sheet, Credit Loss, Liability, Ending Balance	15,783		15,783		17,024
SEC Schedule, 12-09, Reserve, Off-balance Sheet Activity [Member] | Commercial real estate lending
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Off-Balance-Sheet, Credit Loss, Liability, Beginning Balance			17,504	21,292	21,292
Provision for credit losses			(1,128)		(3,788)
Off-Balance-Sheet, Credit Loss, Liability, Ending Balance	16,376		16,376		17,504
SEC Schedule, 12-09, Reserve, Off-balance Sheet Activity [Member] | Total commercial
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Off-Balance-Sheet, Credit Loss, Liability, Beginning Balance			30,972	34,393	34,393
Provision for credit losses			(1,290)		(3,421)
Off-Balance-Sheet, Credit Loss, Liability, Ending Balance	29,682		29,682		30,972
SEC Schedule, 12-09, Reserve, Off-balance Sheet Activity [Member] | Home equity
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Off-Balance-Sheet, Credit Loss, Liability, Beginning Balance			2,629	2,699	2,699
Provision for credit losses			(146)		(70)
Off-Balance-Sheet, Credit Loss, Liability, Ending Balance	2,483		2,483		2,629
SEC Schedule, 12-09, Reserve, Off-balance Sheet Activity [Member] | Other consumer
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Off-Balance-Sheet, Credit Loss, Liability, Beginning Balance			1,174	1,683	1,683
Provision for credit losses			436		(509)
Off-Balance-Sheet, Credit Loss, Liability, Ending Balance	1,610		1,610		1,174
SEC Schedule, 12-09, Reserve, Off-balance Sheet Activity [Member] | Total consumer
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Off-Balance-Sheet, Credit Loss, Liability, Beginning Balance			3,803	4,382	4,382
Provision for credit losses			290		(579)
Off-Balance-Sheet, Credit Loss, Liability, Ending Balance	4,093		4,093		3,803
Allowance for Loans Losses and Unfunded Commitments [Member]
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Charge offs			(47,308)		(58,768)
Recoveries			4,058		10,142
Net Charge offs			(43,251)		(48,626)
Allowance for credit losses on loans
Balance at beginning of period			385,870	351,496	351,496
Charge offs			(47,308)		(58,768)
Recoveries			4,058		10,142
Net Charge offs			(43,251)		(48,626)
Provision for credit losses			47,000		83,000
Balance at end of period	$ 389,620		$ 389,620		$ 385,870
Percent of Loans	1.32%		1.32%		1.32%
Allowance for Loans Losses and Unfunded Commitments [Member] | Commercial and industrial
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Charge offs			$ (33,708)		$ (45,687)
Recoveries			1,394		3,015
Net Charge offs			(32,314)		(42,672)
Allowance for credit losses on loans
Balance at beginning of period			141,582	132,073	132,073
Charge offs			(33,708)		(45,687)
Recoveries			1,394		3,015
Net Charge offs			(32,314)		(42,672)
Provision for credit losses			29,760		52,181
Balance at end of period	$ 139,028		$ 139,028		$ 141,582
Percent of Loans	1.39%		1.39%		1.45%
Allowance for Loans Losses and Unfunded Commitments [Member] | Commercial real estate — owner occupied
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Charge offs			$ (3)		$ (25)
Recoveries			6		11
Net Charge offs			4		(15)
Allowance for credit losses on loans
Balance at beginning of period			10,759	9,579	9,579
Charge offs			(3)		(25)
Recoveries			6		11
Net Charge offs			4		(15)
Provision for credit losses			483		1,195
Balance at end of period	$ 11,246		$ 11,246		$ 10,759
Percent of Loans	1.02%		1.02%		1.01%
Allowance for Loans Losses and Unfunded Commitments [Member] | Commercial and business lending
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Charge offs			$ (33,710)		$ (45,713)
Recoveries			1,400		3,026
Net Charge offs			(32,310)		(42,687)
Allowance for credit losses on loans
Balance at beginning of period			152,341	141,652	141,652
Charge offs			(33,710)		(45,713)
Recoveries			1,400		3,026
Net Charge offs			(32,310)		(42,687)
Provision for credit losses			30,243		53,376
Balance at end of period	$ 150,274		$ 150,274		$ 152,341
Percent of Loans	1.36%		1.36%		1.41%
Allowance for Loans Losses and Unfunded Commitments [Member] | Commercial real estate — investor
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Charge offs			$ (4,569)		$ (252)
Recoveries			0		3,016
Net Charge offs			(4,569)		2,763
Allowance for credit losses on loans
Balance at beginning of period			68,338	55,108	55,108
Charge offs			(4,569)		(252)
Recoveries			0		3,016
Net Charge offs			(4,569)		2,763
Provision for credit losses			8,387		10,467
Balance at end of period	$ 72,156		$ 72,156		$ 68,338
Percent of Loans	1.44%		1.44%		1.33%
Allowance for Loans Losses and Unfunded Commitments [Member] | Real estate construction
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Charge offs			$ 0		$ (25)
Recoveries			58		80
Net Charge offs			58		55
Allowance for credit losses on loans
Balance at beginning of period			70,578	66,171	66,171
Charge offs			0		(25)
Recoveries			58		80
Net Charge offs			58		55
Provision for credit losses			1,043		4,351
Balance at end of period	$ 71,680		$ 71,680		$ 70,578
Percent of Loans	3.18%		3.18%		3.11%
Allowance for Loans Losses and Unfunded Commitments [Member] | Commercial real estate lending
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Charge offs			$ (4,569)		$ (277)
Recoveries			58		3,095
Net Charge offs			(4,511)		2,819
Allowance for credit losses on loans
Balance at beginning of period			138,916	121,279	121,279
Charge offs			(4,569)		(277)
Recoveries			58		3,095
Net Charge offs			(4,511)		2,819
Provision for credit losses			9,430		14,819
Balance at end of period	$ 143,835		$ 143,835		$ 138,916
Percent of Loans	1.98%		1.98%		1.88%
Allowance for Loans Losses and Unfunded Commitments [Member] | Total commercial
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Charge offs			$ (38,279)		$ (45,989)
Recoveries			1,458		6,121
Net Charge offs			(36,821)		(39,868)
Allowance for credit losses on loans
Balance at beginning of period			291,257	262,931	262,931
Charge offs			(38,279)		(45,989)
Recoveries			1,458		6,121
Net Charge offs			(36,821)		(39,868)
Provision for credit losses			39,673		68,195
Balance at end of period	$ 294,109		$ 294,109		$ 291,257
Percent of Loans	1.60%		1.60%		1.60%
Allowance for Loans Losses and Unfunded Commitments [Member] | Residential mortgage
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Charge offs			$ (423)		$ (952)
Recoveries			72		541
Net Charge offs			(351)		(411)
Allowance for credit losses on loans
Balance at beginning of period			37,808	38,298	38,298
Charge offs			(423)		(952)
Recoveries			72		541
Net Charge offs			(351)		(411)
Provision for credit losses			(2,915)		(79)
Balance at end of period	$ 34,542		$ 34,542		$ 37,808
Percent of Loans	0.44%		0.44%		0.48%
Allowance for Loans Losses and Unfunded Commitments [Member] | Automobile Loan
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Charge offs			$ (4,996)		$ (5,950)
Recoveries			1,422		1,241
Net Charge offs			(3,574)		(4,709)
Allowance for credit losses on loans
Balance at beginning of period			24,961	19,619	19,619
Charge offs			(4,996)		(5,950)
Recoveries			1,422		1,241
Net Charge offs			(3,574)		(4,709)
Provision for credit losses			6,383		10,051
Balance at end of period	$ 27,770		$ 27,770		$ 24,961
Percent of Loans	1.09%		1.09%		1.11%
Allowance for Loans Losses and Unfunded Commitments [Member] | Home equity
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Charge offs			$ (147)		$ (424)
Recoveries			596		1,262
Net Charge offs			449		837
Allowance for credit losses on loans
Balance at beginning of period			18,032	17,574	17,574
Charge offs			(147)		(424)
Recoveries			596		1,262
Net Charge offs			449		837
Provision for credit losses			93		(380)
Balance at end of period	$ 18,575		$ 18,575		$ 18,032
Percent of Loans	2.93%		2.93%		2.87%
Allowance for Loans Losses and Unfunded Commitments [Member] | Other consumer
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Charge offs			$ (3,463)		$ (5,453)
Recoveries			509		978
Net Charge offs			(2,954)		(4,475)
Allowance for credit losses on loans
Balance at beginning of period			13,812	13,073	13,073
Charge offs			(3,463)		(5,453)
Recoveries			509		978
Net Charge offs			(2,954)		(4,475)
Provision for credit losses			3,765		5,214
Balance at end of period	$ 14,623		$ 14,623		$ 13,812
Percent of Loans	5.66%		5.66%		4.97%
Allowance for Loans Losses and Unfunded Commitments [Member] | Total consumer
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Charge offs			$ (9,029)		$ (12,779)
Recoveries			2,600		4,021
Net Charge offs			(6,429)		(8,758)
Allowance for credit losses on loans
Balance at beginning of period			94,613	$ 88,565	88,565
Charge offs			(9,029)		(12,779)
Recoveries			2,600		4,021
Net Charge offs			(6,429)		(8,758)
Provision for credit losses			7,327		14,805
Balance at end of period	$ 95,510		$ 95,510		$ 94,613
Percent of Loans	0.85%		0.85%		0.86%

XML

Loans Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Loans Information [Line Items]
Interest receivable	$ 173,106		$ 173,106		$ 169,569
Financing Receivable, Accrued Interest, Writeoff	1,000	$ 1,000	2,000	$ 1,000
Mortgage Loans in Process of Foreclosure, Amount	20,000		20,000		16,000
Loans and Finance Receivables [Member]
Loans Information [Line Items]
Interest receivable	$ 136,000		$ 136,000		$ 132,000

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Goodwill and Other Intangible Assets, Summary of Core Deposit and Other Intangibles (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023	Dec. 31, 2022
Summary of core deposit intangibles and other intangibles
Other intangible amortization	$ 2,203	$ 2,203	$ 4,405	$ 4,405
Core Deposit Intangibles
Summary of core deposit intangibles and other intangibles
Gross carrying amount at the beginning of period					$ 88,109	$ 88,109
Accumulated amortization	(52,044)		(52,044)		(47,638)
Finite-Lived Intangible Assets, Net, Total	$ 36,066		36,066		40,471
Other intangible amortization			$ 4,405		$ 8,811

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Goodwill and Other Intangible Assets, Mortgage Servicing Rights Roll-Forward (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended		12 Months Ended
	Dec. 31, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Summary of Changes in MSR [Line Items]
Servicing Asset at Fair Value, Amount, Beginning Balance		$ 84,390	$ 77,351	$ 77,351
Additions		2,490	1,322	3,564
Paydowns		(3,808)		(7,185)
Change in fair value model assumptions		0		8,881
Changes in fair value of asset		2,567		1,778
Servicing Asset at Fair Value, Amount, Ending Balance	$ 84,390	85,640		84,390
Portfolio Of Residential Mortgage Loans Serviced For Others	$ 7,364,492	$ 6,306,865		$ 7,364,492
Mortgage Servicing Rights Net To Servicing Portfolio	1.15%	1.36%		1.15%
Loans transferred (from) held for sale (into) portfolio, net		$ (84,559)	$ (840)
Residential mortgage
Summary of Changes in MSR [Line Items]
Loans transferred (from) held for sale (into) portfolio, net	$ 969,000
Proceeds from Sale, Loan, Held-for-Sale	$ 844,000

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Goodwill and Other Intangible Assets, Estimated Future Amortization Expense (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Core Deposit Intangibles
Estimated future amortization expense
Six months ended December 31, 2024	$ 4,405
2025	8,811
2026	8,811
2027	8,811
2028	3,485
2029	1,681
Beyond 2029	61
Finite-Lived Intangible Assets, Net, Total	36,066	$ 40,471
Mortgage Servicing Rights
Estimated future amortization expense
Six months ended December 31, 2024	4,853
2025	11,623
2026	11,487
2027	10,786
2028	9,750
2029	8,633
Beyond 2029	28,508
Finite-Lived Intangible Assets, Net, Total	$ 85,640

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Goodwill and Other Intangible Assets (Details Textuals) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2024	Dec. 31, 2023
Goodwill [Line Items]
Goodwill, Impaired, Facts and Circumstances Leading to Impairment	no
Goodwill, Impairment Loss	$ 0	$ 0
Goodwill	$ 1,104,992	$ 1,104,992

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Short and Long-Term Funding, FHLB Advances (Components of Short-term and Long-term Funding) (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Short-term Funding [Abstract]
Federal funds purchased	$ 270,015	$ 220,160
Securities sold under agreements to repurchase	89,524	106,620
Federal funds purchased and securities sold under agreements to repurchase	359,539	326,780
Bank Term Funding Program Funding	500,000	0
Total short-term funding	859,539	326,780
Long-term funding
Subordinated Debt	550,000	550,000
Other Long-term Debt and Capitalized Costs	(7,189)	(7,748)
Finance lease liability	339	383
Long-term Debt	536,113	541,269
TotalShortTermLongTermExcludingFHLB	1,395,652	868,049
Advance from Federal Home Loan Bank [Abstract]
Advance from Federal Home Loan Bank	1,475,000	740,000
Long-Term Federal Home Loan Bank Advances	1,211,867	1,209,907
Federal Home Loan Bank, Advances, Branch of FHLB Bank, Amount of Advances	2,673,046	1,940,194
Debt, Long-Term and Short-Term, Combined Amount	4,068,699	2,808,243
Fair Value Hedging [Member]
Long-term funding
Subordinated Debt	(7,037)	(1,366)
Advance from Federal Home Loan Bank [Abstract]
Advance from Federal Home Loan Bank	$ (13,820)	$ (9,713)

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Short and Long-Term Funding (Remaining Contractual Maturity of the Securities Sold Under Agreements to Repurchase) (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Agency mortgage-related securities | Maturity Overnight and on Demand [Member]
RemainingContractualMaturityoftheSecuritiesSoldUnderAgreementtoRepurchase [Line Items]
Repurchase agreements	$ 89,524	$ 106,620

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Short and Long-Term Funding (Long-term Funding Narrative) (Details Textuals) - USD ($) $ in Millions		1 Months Ended
	Feb. 10, 2023	Nov. 30, 2014	Jun. 30, 2024
Long-term funding
Fair Value of Pledged Securites to Securities Sold under Agreements to Repurchase			189.00%
Two Thousand Fourteen Subordinated Notes
Long-term funding
Debt Instrument, Issuance Date Month, Year		November 2014
Junior Subordinated Debentures Issued		$ 250
Debt Instrument, Term		10 years
Debt Instrument, Maturity Date Month, Year		January 2025
Debt Instrument Call Date Earliest Month Year		October 2024
Subordinated Borrowing, Interest Rate		4.25%
Two Thousand Twenty Three Subordinated Notes
Long-term funding
Debt Instrument, Issuance Date Month, Year	February 2023
Junior Subordinated Debentures Issued	$ 300
Debt Instrument, Term	10 years
Debt Instrument, Maturity Date Month, Year	March 1, 2033
Debt Instrument, Redemption Period, Start Date	Mar. 01, 2028
Subordinated Borrowing, Interest Rate	6.625%
Interest Added to UST 5 Year Rate	2.812%

XML

Derivative and Hedging Activities, Derivative Instruments (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Derivative Instrument Detail [Abstract]
Derivative Asset, Notional Amount	$ 100,000
Derivative Liability, Notional Amount	350,000
Other Assets [Member]
Derivative Instrument Detail [Abstract]
Derivatives (trading and other assets), fair value	112,916	$ 123,723
Derivative Asset, Subject to Master Netting Arrangement, Liability Offset	8,328	18,234
Derivative Asset, Subject to Master Netting Arrangement, Collateral, Obligation to Return Cash, Offset Against Derivative Asset	40,169	35,855
Derivative Asset	64,418	69,634
Liability
Derivative Instrument Detail [Abstract]
Derivatives (trading and other liabilities), fair value	223,298	202,958
Derivative Liability, Subject to Master Netting Arrangement, Asset Offset	8,328	18,234
Derivative Liability, Subject to Master Netting Arrangement, Collateral, Right to Reclaim Cash Offset	1,500	0
Derivatives (trading liabilities)	213,470	184,724
Designated as Hedging Instrument | Other Assets [Member]
Derivative Instrument Detail [Abstract]
Derivatives (trading and other assets), fair value	3,172	8,707
Designated as Hedging Instrument | Other Assets [Member] | Interest rate-related instruments — customer and mirror
Derivative Instrument Detail [Abstract]
Derivative Asset, Notional Amount	1,250,000	2,300,000
Designated as Hedging Instrument | Other Assets [Member] | Foreign currency exchange forwards
Derivative Instrument Detail [Abstract]
Derivative Asset, Notional Amount	71,753	231,566
Designated as Hedging Instrument | Liability
Derivative Instrument Detail [Abstract]
Derivatives (trading and other liabilities), fair value	13,217	3,876
Designated as Hedging Instrument | Liability | Interest rate-related instruments — customer and mirror
Derivative Instrument Detail [Abstract]
Derivative Liability, Notional Amount	2,050,000	550,000
Designated as Hedging Instrument | Liability | Foreign currency exchange forwards
Derivative Instrument Detail [Abstract]
Derivative Liability, Notional Amount	150,906	189,212
Not Designated as Hedging Instrument [Member] | Other Assets [Member]
Derivative Instrument Detail [Abstract]
Derivatives (trading and other assets), fair value	109,744	115,016
Not Designated as Hedging Instrument [Member] | Other Assets [Member] | Interest rate-related instruments — customer and mirror
Derivative Instrument Detail [Abstract]
Derivative Asset, Notional Amount	3,893,983	3,603,513
Not Designated as Hedging Instrument [Member] | Other Assets [Member] | Foreign currency exchange forwards
Derivative Instrument Detail [Abstract]
Derivative Asset, Notional Amount	89,957	87,526
Not Designated as Hedging Instrument [Member] | Other Assets [Member] | Interest Rate Lock Commitments [Member]
Derivative Instrument Detail [Abstract]
Derivative Asset, Notional Amount	72,166	29,490
Not Designated as Hedging Instrument [Member] | Liability
Derivative Instrument Detail [Abstract]
Derivatives (trading and other liabilities), fair value	210,081	199,082
Not Designated as Hedging Instrument [Member] | Liability | Interest rate-related instruments — customer and mirror
Derivative Instrument Detail [Abstract]
Derivative Liability, Notional Amount	6,130,174	6,528,471
Not Designated as Hedging Instrument [Member] | Liability | Foreign currency exchange forwards
Derivative Instrument Detail [Abstract]
Derivative Liability, Notional Amount	276,412	135,654
Not Designated as Hedging Instrument [Member] | Liability | Forward Commitments to Sell Residential Mortgage Loans
Derivative Instrument Detail [Abstract]
Derivative Liability, Notional Amount	150,500	51,500
Fair Value, Inputs, Level 2
Derivative Instrument Detail [Abstract]
Derivative Asset, Notional Amount	260
Derivative Liability, Notional Amount	2,000
Fair Value, Measurements, Recurring | Interest Rate Lock Commitments [Member]
Derivative Instrument Detail [Abstract]
Derivative Asset	766	439
Fair Value, Measurements, Recurring | Designated as Hedging Instrument
Derivative Instrument Detail [Abstract]
Derivative Asset	3,036	8,075
Fair Value, Measurements, Recurring | Designated as Hedging Instrument | Foreign currency exchange forwards
Derivative Instrument Detail [Abstract]
Derivatives (trading liabilities)	337	2,946
Fair Value, Measurements, Recurring | Not Designated as Hedging Instrument [Member]
Derivative Instrument Detail [Abstract]
Derivative Asset	106,277	111,623
Fair Value, Measurements, Recurring | Not Designated as Hedging Instrument [Member] | Foreign currency exchange forwards
Derivative Instrument Detail [Abstract]
Derivatives (trading liabilities)	2,514	2,746
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2 | Foreign currency exchange forwards
Derivative Instrument Detail [Abstract]
Derivative Asset	2,700	2,954
Derivatives (trading liabilities)	2,514	2,746
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2 | Interest Rate Lock Commitments [Member]
Derivative Instrument Detail [Abstract]
Derivative Asset	0	0
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2 | Designated as Hedging Instrument
Derivative Instrument Detail [Abstract]
Derivative Asset	3,036	8,075
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2 | Designated as Hedging Instrument | Interest rate-related instruments — customer and mirror
Derivative Instrument Detail [Abstract]
Derivative Asset	3,036	8,075
Derivatives (trading liabilities)	12,880	930
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2 | Designated as Hedging Instrument | Foreign currency exchange forwards
Derivative Instrument Detail [Abstract]
Derivative Asset	136	632
Derivatives (trading liabilities)	337	2,946
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2 | Not Designated as Hedging Instrument [Member]
Derivative Instrument Detail [Abstract]
Derivative Asset	106,277	111,623
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2 | Not Designated as Hedging Instrument [Member] | Interest rate-related instruments — customer and mirror
Derivative Instrument Detail [Abstract]
Derivative Asset	106,277	111,623
Derivatives (trading liabilities)	207,471	195,662
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2 | Not Designated as Hedging Instrument [Member] | Foreign currency exchange forwards
Derivative Instrument Detail [Abstract]
Derivatives (trading liabilities)	2,514	2,746
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 3 | Interest Rate Lock Commitments [Member]
Derivative Instrument Detail [Abstract]
Derivative Asset	766	439
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 3 | Forward Commitments to Sell Residential Mortgage Loans
Derivative Instrument Detail [Abstract]
Derivatives (trading liabilities)		673
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 3 | Designated as Hedging Instrument
Derivative Instrument Detail [Abstract]
Derivative Asset	0	0
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 3 | Designated as Hedging Instrument | Foreign currency exchange forwards
Derivative Instrument Detail [Abstract]
Derivatives (trading liabilities)	0	0
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 3 | Not Designated as Hedging Instrument [Member]
Derivative Instrument Detail [Abstract]
Derivative Asset	0	0
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 3 | Not Designated as Hedging Instrument [Member] | Foreign currency exchange forwards
Derivative Instrument Detail [Abstract]
Derivatives (trading liabilities)	0	0
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 3 | Not Designated as Hedging Instrument [Member] | Interest Rate Lock Commitments [Member]
Derivative Instrument Detail [Abstract]
Derivative Asset	766	$ 439
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 3 | Not Designated as Hedging Instrument [Member] | Forward Commitments to Sell Residential Mortgage Loans
Derivative Instrument Detail [Abstract]
Derivatives (trading liabilities)	$ 95

XML

Derivative and Hedging Activities Cumulative Basis Adjustment for Fair Value Hedges (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Balance Sheet Recording of Fair Value Hedge [Line Items]
Carrying amount excluded for foreign currency loans	$ 223,000	$ 421,000
Derivative Financial Instruments, Liabilities [Member]
Balance Sheet Recording of Fair Value Hedge [Line Items]
Derivatives (trading liabilities)	(1,129,143)	(1,138,921)
Fair Value Hedging [Member]
Balance Sheet Recording of Fair Value Hedge [Line Items]
Hedged Liability, Fair Value Hedge, Cumulative Increase (Decrease)	20,857	11,079
Long-Term Debt [Member] | Derivative Financial Instruments, Liabilities [Member]
Balance Sheet Recording of Fair Value Hedge [Line Items]
Derivatives (trading liabilities)	(542,963)	(548,634)
Long-Term Debt [Member] | Fair Value Hedging [Member]
Balance Sheet Recording of Fair Value Hedge [Line Items]
Hedged Liability, Fair Value Hedge, Cumulative Increase (Decrease)	7,037	1,366
Federal Home Loan Bank Advances [Member] | Derivative Financial Instruments, Liabilities [Member]
Balance Sheet Recording of Fair Value Hedge [Line Items]
Derivatives (trading liabilities)	(586,180)	(590,287)
Federal Home Loan Bank Advances [Member] | Fair Value Hedging [Member]
Balance Sheet Recording of Fair Value Hedge [Line Items]
Hedged Liability, Fair Value Hedge, Cumulative Increase (Decrease)	$ 13,820	$ 9,713

XML

Derivative and Hedging Activities Income impact of Fair Value and Cash Flow Hedge (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Interest Income [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Change in Unrealized Gain (Loss) on Hedged Item in Fair Value Hedge	$ (4,805)	$ (3,376)	$ (9,668)	$ (4,697)
Interest Income [Member] | Fair Value Hedging [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Change in Unrealized Gain (Loss) on Hedged Item in Fair Value Hedge	(36)	(57)	(76)	(115)
Interest Income [Member] | Designated as Hedging Instrument
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Change in Unrealized Gain (Loss) on Hedged Item in Fair Value Hedge	(4,769)	(3,319)	(9,592)	(4,581)
Interest Expense
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Change in Unrealized Gain (Loss) on Hedged Item in Fair Value Hedge	5,367	4,329	10,689	6,844
Interest Expense | Fair Value Hedging [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Change in Unrealized Gain (Loss) on Hedged Item in Fair Value Hedge	431	(20,375)	(9,779)	(9,651)
Interest Expense | Designated as Hedging Instrument
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Change in Unrealized Gain (Loss) on Hedged Item in Fair Value Hedge	4,935	24,704	20,468	16,495
Capital markets, net
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Change in Unrealized Gain (Loss) on Hedged Item in Fair Value Hedge	0	0	0	0
Capital markets, net | Fair Value Hedging [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Change in Unrealized Gain (Loss) on Hedged Item in Fair Value Hedge	(4,269)	7,587	(13,339)	9,389
Capital markets, net | Designated as Hedging Instrument
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Change in Unrealized Gain (Loss) on Hedged Item in Fair Value Hedge	$ 4,269	$ (7,587)	$ 13,339	$ (9,389)

XML

Derivative and Hedging Activities, Cash Flow Hedge Included in AOCI (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Cash Flow Hedge Impacts on AOCI [Line Items]
Unrealized Gain (Loss) on Cash Flow Hedging Instruments	$ (6,787)	$ (34,147)	$ (26,248)	$ (20,384)
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	$ 4,769	$ 3,319	$ 9,592	$ 4,581

XML

Derivative and Hedging Activities Derivative Impact on Perfomance (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Capital markets, net | Interest Rate Related Instruments Customer and Mirror [Member]
Derivative instruments
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net	$ 13	$ 207	$ (58)	$ 138
Capital markets, net | Foreign Exchange Forward [Member]
Derivative instruments
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net	(140)	1,158	605	1,386
Mortgage banking, net | Interest Rate-Related Instruments - MSRs Hedge
Derivative instruments
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net	(1,374)	(2,195)	(4,311)	326
Mortgage banking, net | Interest Rate Lock Commitments [Member]
Derivative instruments
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net	100	93	327	345
Mortgage banking, net | Forward Contracts [Member]
Derivative instruments
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net	$ 127	$ 777	$ 578	$ 382

XML

Derivative and Hedging Activities (Details Textuals) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2024	Dec. 31, 2023	Dec. 31, 2019
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Additional Collateral, Aggregate Fair Value	$ 86,000	$ 93,000
Derivative collateral right to reclaim cash	2,000	$ 5,000
Derivative Liability Notional Amount, Terminated			$ 500,000
Underlying Hedged Asset, Amortized Cost Basis	252,000
Cash Flow Hedge Gain (Loss) to be Reclassified within 12 Months	$ 13,000
Maximum Length of Time Hedged in Cash Flow Hedge	35 months
Designated as Hedging Instrument
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Deferred (Gain) Loss on Discontinuation of Fair Value Hedge	$ 1,000

XML

Balance Sheet Offsetting (Details) - Interest Rate Contract - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Derivative assets
Gross Amounts Recognized	$ 92,570	$ 87,075
Derivative Liabilities Offset	(8,328)	(18,234)
Derivative Asset, Collateral, Obligation to Return Cash, Offset	(40,169)	(35,855)
Net Amounts Presented on the Consolidated Balance Sheets	44,072	32,985
Gross Amounts Not Offset on the Consolidated Balance Sheets	(33,922)	(32,985)
Derivative Asset, Fair Value, Amount Offset Against Collateral	10,150	0
Derivative liabilities
Gross Amounts Recognized	21,237	18,767
Derivative Liability, Fair Value, Gross Asset	(8,328)	(18,234)
Derivative Liability, Collateral, Right to Reclaim Cash, Offset	(1,500)	0
Net Amounts Presented on the Consolidated Balance Sheets	11,409	533
Gross Amounts Not Offset on the Consolidated Balance Sheets	0	0
Derivative Liability, Fair Value, Amount Offset Against Collateral	$ 11,409	$ 533

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Commitments, Off-Balance Sheet Arrangements, Legal Proceedings and Regulatory Matters, Summary of Lending Related and Other Commitments (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Schedule of lending-related and other commitments [Line Items]
Lending Related Commitments, Fair Value	$ 0	$ 0
Commitments to extend credit, excluding commitments to originate residential mortgage loans held for sale(a)(b)
Schedule of lending-related and other commitments [Line Items]
Lending Related Commitments By Type [Domain]	10,295,737	11,170,147
Commercial letters of credit(a)
Schedule of lending-related and other commitments [Line Items]
Lending Related Commitments By Type [Domain]	1,118	3,697
Standby letters of credit(c)
Schedule of lending-related and other commitments [Line Items]
Lending Related Commitments By Type [Domain]	252,475	212,029
Lines of Credit, Fair Value Disclosure	$ 3,000	$ 2,000

XML

Commitment, Changes in the Allowance for Unfunded Commitments (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2024	Dec. 31, 2023
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Off-Balance-Sheet, Credit Loss, Liability, Beginning Balance	$ 34,776	$ 38,776
Provision for credit losses	(1,000)	(4,000)
Off-Balance-Sheet, Credit Loss, Liability, Ending Balance	$ 33,776	$ 34,776

XML

Commitments, Off-Balance Sheet Arrangements, Legal Proceedings and Regulatory Matters (Details Textuals) - USD ($)	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Commitments, Off-Balance Sheet Arrangements, and Contingent Liabilities (Textuals) [Line Items]
Expense Related to Qualified Affordable Housing Projects	$ 9,000,000	$ 9,000,000	$ 18,000,000	$ 17,000,000
Remaining Investment in Qualified Affordable Housing Projects	203,000,000		203,000,000		$ 215,000,000
Variable Interest Entity Reporting Entity Involvement Unfunded Obligation Amount	30,000,000		30,000,000		27,000,000
Qualified Affordable Housing Investments, Impairment Loss			0		0
Loans Repurchased Under Make Whole Requests	2,000,000		$ 2,000,000		5,000,000
Loans Sold To Outside Investors Loss ReimbursementSettlement Paid					0
Make Whole Requests, Loan Origination Date, Majority			Jan. 01, 2021
Loans Sold To Outside Investors Original Amount	4,000,000,000.0		$ 4,000,000,000.0
Loans Sold To Outside Investors Remaining Outstanding Amount	3,400,000,000		3,400,000,000
Mortgage Repurchase Reserve	734,000		734,000		835,000
Residential Mortgage Loans Sold With Recourse Risk	14,000,000		14,000,000		15,000,000
Residential Mortgage Loans Sold With Credit Recourse Risk	58,000,000		58,000,000		16,000,000
Residential Mortgage Loans with Credit Risk Recourse	0		0		0
SBA Loan Fund, Remaining Unfunded Equity Contribution	3,000,000		3,000,000
UnconsolidatedProjectsLowIncomeHousing [Member]
Commitments, Off-Balance Sheet Arrangements, and Contingent Liabilities (Textuals) [Line Items]
Other Investments	205,000,000		205,000,000		219,000,000
PrincipalInvestmentCommitment [Member]
Commitments, Off-Balance Sheet Arrangements, and Contingent Liabilities (Textuals) [Line Items]
Other Investments	$ 41,000,000		$ 41,000,000		$ 40,000,000

XML

Fair Value Measurements, Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023	Dec. 31, 2022
Assets, Fair Value Disclosure [Abstract]
AFS investment securities, at fair value	$ 3,912,730	$ 3,600,892
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	3,799,119	3,860,235
Held-to-maturity, Fair Value	3,246,952	3,380,624
Equity Securities, FV-NI and without Readily Determinable Fair Value	22,944	41,651
FHLB and Federal Reserve Bank stocks	212,102	229,171
Assets	41,623,908	41,015,855
Liabilities, Fair Value Disclosure
Noninterest-bearing Domestic Deposit, Demand	5,815,045	6,119,956
Deposits	32,691,039	33,446,049
Federal Funds Purchased and Securities Sold under Agreements to Repurchase	359,539	326,780
Bank Term Funding Program Funding	500,000	0
Short-Term Debt	859,539	326,780
Federal Home Loan Bank, Advances, Branch of FHLB Bank, Amount of Advances	2,673,046	1,940,194
Liabilities	37,381,571	36,841,882
Standby letters of credit(c)
Liabilities, Fair Value Disclosure
Lending Related Commitments By Type [Domain]	252,475	212,029
Interest Rate Contract
Assets, Fair Value Disclosure [Abstract]
Derivative Asset	44,072	32,985
Liabilities, Fair Value Disclosure
Derivatives (trading liabilities)	11,409	533
Fair Value, Measurements, Recurring
Assets, Fair Value Disclosure [Abstract]
Cash and Due from Banks	470,818	484,384
Interest-bearing Deposits in Banks and Other Financial Institutions	484,677	425,089
Federal funds sold and securities purchased under agreements to resell	3,600	14,350
Equity Securities, FV-NI	10,444	31,651
Equity Securities, FV-NI and without Readily Determinable Fair Value	22,944	41,651
FHLB and Federal Reserve Bank stocks	212,102	229,171
Residential Held-for-sale, Fair Value Disclosure	83,795	33,011
Loan, Held-for-Sale, Fair Value Disclosure		90,303
Loans and Leases Receivable, Net Amount	29,208,547	28,865,124
Loans Receivable, Fair Value Disclosure	27,884,450	27,371,086
Bank and corporate owned life insurance	683,451	682,649
Servicing Asset	85,640	84,390
Assets	39,080,255	38,534,897
Assets, Fair Value Disclosure	37,203,991	36,561,249
Liabilities, Fair Value Disclosure
Noninterest-bearing Domestic Deposit, Demand	5,815,045	6,119,956
Deposits, Savings Deposits	5,157,103	4,835,701
Interest-Bearing Domestic Deposit, Demand	8,284,017	8,843,967
Deposits, Money Market Deposits	6,294,895	6,330,453
Brokered cds and other time deposits	4,061,578	4,447,479
Brokered cds and other time deposits fair value	4,061,578	4,447,479
Time Deposits, at Carrying Value	3,078,401	2,868,494
Time Deposits	3,078,401	2,868,494
Deposits	32,691,039	33,446,049
Federal Funds Purchased and Securities Sold under Agreements to Repurchase	359,539	326,780
Federal Funds Purchased and Securities Loaned or Sold under Agreements to Repurchase, Fair Value Disclosure	359,532	326,757
Bank Term Funding Program Funding	500,000
Bank Term Funding Program Funding, Fair Value Disclosure	497,973
Short-Term Debt	859,539
Short-term Debt, Fair Value	857,505
Federal Home Loan Bank, Advances, Branch of FHLB Bank, Amount of Advances	2,673,046	1,940,194
Federal Home Loan Bank Borrowings, Fair Value Disclosure	2,672,221	1,944,600
Other long-term funding	536,113	541,269
Long-term Debt, Fair Value	530,211	534,983
Repayments of Lines of Credit	2,536	2,157
Liabilities	36,985,572	36,459,407
Liabilities, Fair Value Disclosure	36,976,810	36,457,504
Fair Value, Measurements, Recurring | Commitments [Member]
Liabilities, Fair Value Disclosure
Derivatives (trading liabilities)	95	673
Fair Value, Measurements, Recurring | Interest Rate Lock Commitments [Member]
Assets, Fair Value Disclosure [Abstract]
Derivative Asset	766	439
Fair Value, Measurements, Recurring | Designated as Hedging Instrument
Assets, Fair Value Disclosure [Abstract]
Derivative Asset	3,036	8,075
Foreign Currency Contract, Asset, Fair Value Disclosure	136	632
Fair Value, Measurements, Recurring | Designated as Hedging Instrument | Interest Rate Contract
Liabilities, Fair Value Disclosure
Derivatives (trading liabilities)	12,880	930
Fair Value, Measurements, Recurring | Designated as Hedging Instrument | Foreign Exchange Forward [Member]
Liabilities, Fair Value Disclosure
Derivatives (trading liabilities)	337	2,946
Fair Value, Measurements, Recurring | Not Designated as Hedging Instrument [Member]
Assets, Fair Value Disclosure [Abstract]
Derivative Asset	106,277	111,623
Foreign Currency Contract, Asset, Fair Value Disclosure	2,700	2,954
Fair Value, Measurements, Recurring | Not Designated as Hedging Instrument [Member] | Interest Rate Contract
Liabilities, Fair Value Disclosure
Derivatives (trading liabilities)	207,471	195,662
Fair Value, Measurements, Recurring | Not Designated as Hedging Instrument [Member] | Foreign Exchange Forward [Member]
Liabilities, Fair Value Disclosure
Derivatives (trading liabilities)	2,514	2,746
US Treasury Securities
Assets, Fair Value Disclosure [Abstract]
AFS investment securities, at fair value	35,638	35,902
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	1,000	999
Held-to-maturity, Fair Value	978	963
US Treasury Securities | Fair Value, Measurements, Recurring
Assets, Fair Value Disclosure [Abstract]
AFS investment securities, at fair value	35,638	35,902
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	1,000	999
Held-to-maturity, Fair Value	978	963
US States and Political Subdivisions Debt Securities [Member]
Assets, Fair Value Disclosure [Abstract]
AFS investment securities, at fair value	78,507	91,817
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	1,668,494	1,682,473
Held-to-maturity, Fair Value	1,497,670	1,554,059
US States and Political Subdivisions Debt Securities [Member] | Fair Value, Measurements, Recurring
Assets, Fair Value Disclosure [Abstract]
AFS investment securities, at fair value	78,507	91,817
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	1,668,410	1,682,398
Held-to-maturity, Fair Value	1,497,587	1,553,984
Residential Related Securities | US Government Sponsored-Enterprise Insured Loans
Assets, Fair Value Disclosure [Abstract]
AFS investment securities, at fair value	1,064,318	1,120,794
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	916,966	941,973
Held-to-maturity, Fair Value	753,657	804,393
Residential Related Securities | Government National Mortgage Association (GNMA) [Member]
Assets, Fair Value Disclosure [Abstract]
AFS investment securities, at fair value	2,440,808	2,042,675
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	46,392	48,979
Held-to-maturity, Fair Value	42,536	46,170
Residential Related Securities | Fair Value, Measurements, Recurring | US Government Sponsored-Enterprise Insured Loans
Assets, Fair Value Disclosure [Abstract]
AFS investment securities, at fair value	1,064,318	1,120,794
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	916,966	941,973
Held-to-maturity, Fair Value	753,657	804,393
Residential Related Securities | Fair Value, Measurements, Recurring | Government National Mortgage Association (GNMA) [Member]
Assets, Fair Value Disclosure [Abstract]
AFS investment securities, at fair value	2,440,808	2,042,675
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	46,392	48,979
Held-to-maturity, Fair Value	42,536	46,170
Residential Related Securities | Fair Value, Measurements, Recurring | Mortgage-backed Securities, Issued by Private Enterprises [Member]
Assets, Fair Value Disclosure [Abstract]
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	335,148	345,083
Held-to-maturity, Fair Value	273,892	289,507
Commercial mortgage-related securities | US Government Sponsored-Enterprise Insured Loans
Assets, Fair Value Disclosure [Abstract]
AFS investment securities, at fair value	17,283	16,937
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	776,717	780,995
Held-to-maturity, Fair Value	630,783	632,914
Commercial mortgage-related securities | Government National Mortgage Association (GNMA) [Member]
Assets, Fair Value Disclosure [Abstract]
AFS investment securities, at fair value	149,799	154,793
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	54,403	59,733
Held-to-maturity, Fair Value	47,436	52,619
Commercial mortgage-related securities | Fair Value, Measurements, Recurring | US Government Sponsored-Enterprise Insured Loans
Assets, Fair Value Disclosure [Abstract]
AFS investment securities, at fair value	17,283	16,937
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	776,717	780,995
Held-to-maturity, Fair Value	630,783	632,914
Commercial mortgage-related securities | Fair Value, Measurements, Recurring | Government National Mortgage Association (GNMA) [Member]
Assets, Fair Value Disclosure [Abstract]
AFS investment securities, at fair value	149,799	154,793
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	54,403	59,733
Held-to-maturity, Fair Value	47,436	52,619
Federal Family Education Loan Program (FFELP) Guaranteed Loans [Member]
Assets, Fair Value Disclosure [Abstract]
AFS investment securities, at fair value	122,765	133,975
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	0
Held-to-maturity, Fair Value	0
Federal Family Education Loan Program (FFELP) Guaranteed Loans [Member] | Fair Value, Measurements, Recurring
Assets, Fair Value Disclosure [Abstract]
AFS investment securities, at fair value	122,765	133,975
US Government-sponsored Enterprises Debt Securities [Member]
Assets, Fair Value Disclosure [Abstract]
AFS investment securities, at fair value	640	1,051
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	0
Held-to-maturity, Fair Value	0
US Government-sponsored Enterprises Debt Securities [Member] | Fair Value, Measurements, Recurring
Assets, Fair Value Disclosure [Abstract]
AFS investment securities, at fair value	640	1,051
Other Debt Obligations | Fair Value, Measurements, Recurring
Assets, Fair Value Disclosure [Abstract]
AFS investment securities, at fair value	2,973	2,950
Available-for-sale Securities [Member] | Fair Value, Measurements, Recurring
Assets, Fair Value Disclosure [Abstract]
AFS investment securities, at fair value	3,912,730	3,600,892
Held-to-maturity Securities [Member] | Fair Value, Measurements, Recurring
Assets, Fair Value Disclosure [Abstract]
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	3,799,035	3,860,160
Held-to-maturity, Fair Value	3,246,868	3,380,550
Fair Value, Inputs, Level 1
Assets, Fair Value Disclosure [Abstract]
Cash and Due from Banks	470,818	484,384
Interest-bearing Deposits in Banks and Other Financial Institutions	484,677	425,089
Federal funds sold and securities purchased under agreements to resell	3,600	14,350
Fair Value, Inputs, Level 1 | Fair Value, Measurements, Recurring
Assets, Fair Value Disclosure [Abstract]
Cash and Due from Banks	470,818	484,384
Interest-bearing Deposits in Banks and Other Financial Institutions	484,677	425,089
Federal funds sold and securities purchased under agreements to resell	3,600	14,350
Equity Securities, FV-NI	10,382	6,883
FHLB and Federal Reserve Bank stocks	0	0
Residential Held-for-sale, Fair Value Disclosure	0	0
Loan, Held-for-Sale, Fair Value Disclosure		0
Loans Receivable, Fair Value Disclosure	0	0
Bank and corporate owned life insurance	0	0
Servicing Asset	0	0
Assets, Fair Value Disclosure	1,006,092	967,570
Liabilities, Fair Value Disclosure
Noninterest-bearing Domestic Deposit, Demand	0	0
Deposits, Savings Deposits	0	0
Interest-Bearing Domestic Deposit, Demand	0	0
Deposits, Money Market Deposits	0	0
Brokered cds and other time deposits fair value	0	0
Time Deposits	0	0
Deposits	0	0
Federal Funds Purchased and Securities Loaned or Sold under Agreements to Repurchase, Fair Value Disclosure	0	0
Bank Term Funding Program Funding, Fair Value Disclosure	0
Short-term Debt, Fair Value	0
Federal Home Loan Bank Borrowings, Fair Value Disclosure	0	0
Long-term Debt, Fair Value	0	0
Repayments of Lines of Credit	0	0
Liabilities, Fair Value Disclosure	0	0
Fair Value, Inputs, Level 1 | Fair Value, Measurements, Recurring | Commitments [Member]
Liabilities, Fair Value Disclosure
Derivatives (trading liabilities)	0	0
Fair Value, Inputs, Level 1 | Fair Value, Measurements, Recurring | Interest Rate Lock Commitments [Member]
Assets, Fair Value Disclosure [Abstract]
Derivative Asset	0	0
Fair Value, Inputs, Level 1 | Fair Value, Measurements, Recurring | Designated as Hedging Instrument
Assets, Fair Value Disclosure [Abstract]
Derivative Asset	0	0
Foreign Currency Contract, Asset, Fair Value Disclosure	0	0
Fair Value, Inputs, Level 1 | Fair Value, Measurements, Recurring | Designated as Hedging Instrument | Interest Rate Contract
Liabilities, Fair Value Disclosure
Derivatives (trading liabilities)	0	0
Fair Value, Inputs, Level 1 | Fair Value, Measurements, Recurring | Designated as Hedging Instrument | Foreign Exchange Forward [Member]
Liabilities, Fair Value Disclosure
Derivatives (trading liabilities)	0	0
Fair Value, Inputs, Level 1 | Fair Value, Measurements, Recurring | Not Designated as Hedging Instrument [Member]
Assets, Fair Value Disclosure [Abstract]
Derivative Asset	0	0
Foreign Currency Contract, Asset, Fair Value Disclosure	0	0
Fair Value, Inputs, Level 1 | Fair Value, Measurements, Recurring | Not Designated as Hedging Instrument [Member] | Interest Rate Contract
Liabilities, Fair Value Disclosure
Derivatives (trading liabilities)	0	0
Fair Value, Inputs, Level 1 | Fair Value, Measurements, Recurring | Not Designated as Hedging Instrument [Member] | Foreign Exchange Forward [Member]
Liabilities, Fair Value Disclosure
Derivatives (trading liabilities)	0	0
Fair Value, Inputs, Level 1 | US Treasury Securities | Fair Value, Measurements, Recurring
Assets, Fair Value Disclosure [Abstract]
AFS investment securities, at fair value	35,638	35,902
Held-to-maturity, Fair Value	978	963
Fair Value, Inputs, Level 1 | US States and Political Subdivisions Debt Securities [Member] | Fair Value, Measurements, Recurring
Assets, Fair Value Disclosure [Abstract]
AFS investment securities, at fair value	0	0
Held-to-maturity, Fair Value	0	0
Fair Value, Inputs, Level 1 | Residential Related Securities | Fair Value, Measurements, Recurring | US Government Sponsored-Enterprise Insured Loans
Assets, Fair Value Disclosure [Abstract]
AFS investment securities, at fair value	0	0
Held-to-maturity, Fair Value	0	0
Fair Value, Inputs, Level 1 | Residential Related Securities | Fair Value, Measurements, Recurring | Government National Mortgage Association (GNMA) [Member]
Assets, Fair Value Disclosure [Abstract]
AFS investment securities, at fair value	0	0
Held-to-maturity, Fair Value	0	0
Fair Value, Inputs, Level 1 | Residential Related Securities | Fair Value, Measurements, Recurring | Mortgage-backed Securities, Issued by Private Enterprises [Member]
Assets, Fair Value Disclosure [Abstract]
Held-to-maturity, Fair Value	0	0
Fair Value, Inputs, Level 1 | Commercial mortgage-related securities | Fair Value, Measurements, Recurring | US Government Sponsored-Enterprise Insured Loans
Assets, Fair Value Disclosure [Abstract]
AFS investment securities, at fair value	0	0
Held-to-maturity, Fair Value	0	0
Fair Value, Inputs, Level 1 | Commercial mortgage-related securities | Fair Value, Measurements, Recurring | Government National Mortgage Association (GNMA) [Member]
Assets, Fair Value Disclosure [Abstract]
AFS investment securities, at fair value	0	0
Held-to-maturity, Fair Value	0	0
Fair Value, Inputs, Level 1 | Federal Family Education Loan Program (FFELP) Guaranteed Loans [Member] | Fair Value, Measurements, Recurring
Assets, Fair Value Disclosure [Abstract]
AFS investment securities, at fair value	0	0
Fair Value, Inputs, Level 1 | US Government-sponsored Enterprises Debt Securities [Member] | Fair Value, Measurements, Recurring
Assets, Fair Value Disclosure [Abstract]
AFS investment securities, at fair value	0	0
Fair Value, Inputs, Level 1 | Other Debt Obligations | Fair Value, Measurements, Recurring
Assets, Fair Value Disclosure [Abstract]
AFS investment securities, at fair value	0	0
Fair Value, Inputs, Level 1 | Available-for-sale Securities [Member] | Fair Value, Measurements, Recurring
Assets, Fair Value Disclosure [Abstract]
AFS investment securities, at fair value	35,638	35,902
Fair Value, Inputs, Level 1 | Held-to-maturity Securities [Member] | Fair Value, Measurements, Recurring
Assets, Fair Value Disclosure [Abstract]
Held-to-maturity, Fair Value	978	963
Fair Value, Inputs, Level 2
Assets, Fair Value Disclosure [Abstract]
Bank and corporate owned life insurance	683,451	682,649
Liabilities, Fair Value Disclosure
Federal Home Loan Bank, Advances, Branch of FHLB Bank, Amount of Advances	2,673,046	1,940,194
Other long-term funding	536,113	541,269
Fair Value, Inputs, Level 2 | Fair Value, Measurements, Recurring
Assets, Fair Value Disclosure [Abstract]
Cash and Due from Banks	0	0
Interest-bearing Deposits in Banks and Other Financial Institutions	0	0
Federal funds sold and securities purchased under agreements to resell	0	0
Equity Securities, FV-NI	0	0
FHLB and Federal Reserve Bank stocks	212,102	229,171
Residential Held-for-sale, Fair Value Disclosure	83,795	33,011
Loan, Held-for-Sale, Fair Value Disclosure		90,303
Loans Receivable, Fair Value Disclosure	0	0
Bank and corporate owned life insurance	683,451	682,649
Servicing Asset	0	0
Assets, Fair Value Disclosure	8,214,480	8,102,995
Liabilities, Fair Value Disclosure
Noninterest-bearing Domestic Deposit, Demand	0	0
Deposits, Savings Deposits	0	0
Interest-Bearing Domestic Deposit, Demand	0	0
Deposits, Money Market Deposits	0	0
Brokered cds and other time deposits fair value	4,061,578	4,447,479
Time Deposits	3,078,401	2,868,494
Deposits	7,139,979	7,315,973
Federal Funds Purchased and Securities Loaned or Sold under Agreements to Repurchase, Fair Value Disclosure	359,532	326,757
Bank Term Funding Program Funding, Fair Value Disclosure	497,973
Short-term Debt, Fair Value	857,505
Federal Home Loan Bank Borrowings, Fair Value Disclosure	2,672,221	1,944,600
Long-term Debt, Fair Value	530,211	534,983
Repayments of Lines of Credit	2,536	2,157
Liabilities, Fair Value Disclosure	11,425,654	10,326,755
Fair Value, Inputs, Level 2 | Fair Value, Measurements, Recurring | Foreign Exchange Forward [Member]
Assets, Fair Value Disclosure [Abstract]
Derivative Asset	2,700	2,954
Liabilities, Fair Value Disclosure
Derivatives (trading liabilities)	2,514	2,746
Fair Value, Inputs, Level 2 | Fair Value, Measurements, Recurring | Commitments [Member]
Liabilities, Fair Value Disclosure
Derivatives (trading liabilities)	0	0
Fair Value, Inputs, Level 2 | Fair Value, Measurements, Recurring | Interest Rate Lock Commitments [Member]
Assets, Fair Value Disclosure [Abstract]
Derivative Asset	0	0
Fair Value, Inputs, Level 2 | Fair Value, Measurements, Recurring | Designated as Hedging Instrument
Assets, Fair Value Disclosure [Abstract]
Derivative Asset	3,036	8,075
Foreign Currency Contract, Asset, Fair Value Disclosure	136	632
Fair Value, Inputs, Level 2 | Fair Value, Measurements, Recurring | Designated as Hedging Instrument | Interest Rate Contract
Liabilities, Fair Value Disclosure
Derivatives (trading liabilities)	12,880	930
Fair Value, Inputs, Level 2 | Fair Value, Measurements, Recurring | Designated as Hedging Instrument | Foreign Exchange Forward [Member]
Assets, Fair Value Disclosure [Abstract]
Derivative Asset	136	632
Liabilities, Fair Value Disclosure
Derivatives (trading liabilities)	337	2,946
Fair Value, Inputs, Level 2 | Fair Value, Measurements, Recurring | Not Designated as Hedging Instrument [Member]
Assets, Fair Value Disclosure [Abstract]
Derivative Asset	106,277	111,623
Foreign Currency Contract, Asset, Fair Value Disclosure	2,700	2,954
Fair Value, Inputs, Level 2 | Fair Value, Measurements, Recurring | Not Designated as Hedging Instrument [Member] | Interest Rate Contract
Liabilities, Fair Value Disclosure
Derivatives (trading liabilities)	207,471	195,662
Fair Value, Inputs, Level 2 | Fair Value, Measurements, Recurring | Not Designated as Hedging Instrument [Member] | Foreign Exchange Forward [Member]
Liabilities, Fair Value Disclosure
Derivatives (trading liabilities)	2,514	2,746
Fair Value, Inputs, Level 2 | US Treasury Securities | Fair Value, Measurements, Recurring
Assets, Fair Value Disclosure [Abstract]
AFS investment securities, at fair value	0	0
Held-to-maturity, Fair Value	0	0
Fair Value, Inputs, Level 2 | US States and Political Subdivisions Debt Securities [Member] | Fair Value, Measurements, Recurring
Assets, Fair Value Disclosure [Abstract]
AFS investment securities, at fair value	78,507	91,817
Held-to-maturity, Fair Value	1,497,587	1,553,984
Fair Value, Inputs, Level 2 | Residential Related Securities | Fair Value, Measurements, Recurring | US Government Sponsored-Enterprise Insured Loans
Assets, Fair Value Disclosure [Abstract]
AFS investment securities, at fair value	1,064,318	1,120,794
Held-to-maturity, Fair Value	753,657	804,393
Fair Value, Inputs, Level 2 | Residential Related Securities | Fair Value, Measurements, Recurring | Government National Mortgage Association (GNMA) [Member]
Assets, Fair Value Disclosure [Abstract]
AFS investment securities, at fair value	2,440,808	2,042,675
Held-to-maturity, Fair Value	42,536	46,170
Fair Value, Inputs, Level 2 | Residential Related Securities | Fair Value, Measurements, Recurring | Mortgage-backed Securities, Issued by Private Enterprises [Member]
Assets, Fair Value Disclosure [Abstract]
Held-to-maturity, Fair Value	273,892	289,507
Fair Value, Inputs, Level 2 | Commercial mortgage-related securities | Fair Value, Measurements, Recurring | US Government Sponsored-Enterprise Insured Loans
Assets, Fair Value Disclosure [Abstract]
AFS investment securities, at fair value	17,283	16,937
Held-to-maturity, Fair Value	630,783	632,914
Fair Value, Inputs, Level 2 | Commercial mortgage-related securities | Fair Value, Measurements, Recurring | Government National Mortgage Association (GNMA) [Member]
Assets, Fair Value Disclosure [Abstract]
AFS investment securities, at fair value	149,799	154,793
Held-to-maturity, Fair Value	47,436	52,619
Fair Value, Inputs, Level 2 | Federal Family Education Loan Program (FFELP) Guaranteed Loans [Member] | Fair Value, Measurements, Recurring
Assets, Fair Value Disclosure [Abstract]
AFS investment securities, at fair value	122,765	133,975
Fair Value, Inputs, Level 2 | US Government-sponsored Enterprises Debt Securities [Member] | Fair Value, Measurements, Recurring
Assets, Fair Value Disclosure [Abstract]
AFS investment securities, at fair value	640	1,051
Fair Value, Inputs, Level 2 | Other Debt Obligations | Fair Value, Measurements, Recurring
Assets, Fair Value Disclosure [Abstract]
AFS investment securities, at fair value	2,973	2,950
Fair Value, Inputs, Level 2 | Available-for-sale Securities [Member] | Fair Value, Measurements, Recurring
Assets, Fair Value Disclosure [Abstract]
AFS investment securities, at fair value	3,877,092	3,564,990
Fair Value, Inputs, Level 2 | Held-to-maturity Securities [Member] | Fair Value, Measurements, Recurring
Assets, Fair Value Disclosure [Abstract]
Held-to-maturity, Fair Value	3,245,890	3,379,586
Fair Value, Inputs, Level 3
Assets, Fair Value Disclosure [Abstract]
Equity Securities, FV-NI	62	24,769	$ 19,225
Loans and Leases Receivable, Net Amount	29,262,428	28,865,124
Fair Value, Inputs, Level 3 | Fair Value, Measurements, Recurring
Assets, Fair Value Disclosure [Abstract]
Cash and Due from Banks	0	0
Interest-bearing Deposits in Banks and Other Financial Institutions	0	0
Federal funds sold and securities purchased under agreements to resell	0	0
Equity Securities, FV-NI	62	24,769
FHLB and Federal Reserve Bank stocks	0	0
Residential Held-for-sale, Fair Value Disclosure	0	0
Loan, Held-for-Sale, Fair Value Disclosure		0
Loans Receivable, Fair Value Disclosure	27,884,450	27,371,086
Bank and corporate owned life insurance	0	0
Servicing Asset	85,640	84,390
Assets, Fair Value Disclosure	27,970,919	27,480,684
Liabilities, Fair Value Disclosure
Noninterest-bearing Domestic Deposit, Demand	5,815,045	6,119,956
Deposits, Savings Deposits	5,157,103	4,835,701
Interest-Bearing Domestic Deposit, Demand	8,284,017	8,843,967
Deposits, Money Market Deposits	6,294,895	6,330,453
Brokered cds and other time deposits fair value	0	0
Time Deposits	0	0
Deposits	25,551,061	26,130,076
Federal Funds Purchased and Securities Loaned or Sold under Agreements to Repurchase, Fair Value Disclosure	0	0
Bank Term Funding Program Funding, Fair Value Disclosure	0
Short-term Debt, Fair Value	0
Federal Home Loan Bank Borrowings, Fair Value Disclosure	0	0
Long-term Debt, Fair Value	0	0
Repayments of Lines of Credit	0	0
Liabilities, Fair Value Disclosure	25,551,156	26,130,749
Fair Value, Inputs, Level 3 | Fair Value, Measurements, Recurring | Commitments [Member]
Liabilities, Fair Value Disclosure
Derivatives (trading liabilities)	95	673
Fair Value, Inputs, Level 3 | Fair Value, Measurements, Recurring | Interest Rate Lock Commitments [Member]
Assets, Fair Value Disclosure [Abstract]
Derivative Asset	766	439
Fair Value, Inputs, Level 3 | Fair Value, Measurements, Recurring | Designated as Hedging Instrument
Assets, Fair Value Disclosure [Abstract]
Derivative Asset	0	0
Foreign Currency Contract, Asset, Fair Value Disclosure	0	0
Fair Value, Inputs, Level 3 | Fair Value, Measurements, Recurring | Designated as Hedging Instrument | Interest Rate Contract
Liabilities, Fair Value Disclosure
Derivatives (trading liabilities)	0	0
Fair Value, Inputs, Level 3 | Fair Value, Measurements, Recurring | Designated as Hedging Instrument | Foreign Exchange Forward [Member]
Liabilities, Fair Value Disclosure
Derivatives (trading liabilities)	0	0
Fair Value, Inputs, Level 3 | Fair Value, Measurements, Recurring | Not Designated as Hedging Instrument [Member]
Assets, Fair Value Disclosure [Abstract]
Derivative Asset	0	0
Foreign Currency Contract, Asset, Fair Value Disclosure	0	0
Fair Value, Inputs, Level 3 | Fair Value, Measurements, Recurring | Not Designated as Hedging Instrument [Member] | Interest Rate Contract
Liabilities, Fair Value Disclosure
Derivatives (trading liabilities)	0	0
Fair Value, Inputs, Level 3 | Fair Value, Measurements, Recurring | Not Designated as Hedging Instrument [Member] | Foreign Exchange Forward [Member]
Liabilities, Fair Value Disclosure
Derivatives (trading liabilities)	0	0
Fair Value, Inputs, Level 3 | Fair Value, Measurements, Recurring | Not Designated as Hedging Instrument [Member] | Interest Rate Lock Commitments [Member]
Assets, Fair Value Disclosure [Abstract]
Derivative Asset	766	439
Fair Value, Inputs, Level 3 | US Treasury Securities | Fair Value, Measurements, Recurring
Assets, Fair Value Disclosure [Abstract]
AFS investment securities, at fair value	0	0
Held-to-maturity, Fair Value	0	0
Fair Value, Inputs, Level 3 | US States and Political Subdivisions Debt Securities [Member] | Fair Value, Measurements, Recurring
Assets, Fair Value Disclosure [Abstract]
AFS investment securities, at fair value	0	0
Held-to-maturity, Fair Value	0	0
Fair Value, Inputs, Level 3 | Residential Related Securities | Fair Value, Measurements, Recurring | US Government Sponsored-Enterprise Insured Loans
Assets, Fair Value Disclosure [Abstract]
AFS investment securities, at fair value	0	0
Held-to-maturity, Fair Value	0	0
Fair Value, Inputs, Level 3 | Residential Related Securities | Fair Value, Measurements, Recurring | Government National Mortgage Association (GNMA) [Member]
Assets, Fair Value Disclosure [Abstract]
AFS investment securities, at fair value	0	0
Held-to-maturity, Fair Value	0	0
Fair Value, Inputs, Level 3 | Residential Related Securities | Fair Value, Measurements, Recurring | Mortgage-backed Securities, Issued by Private Enterprises [Member]
Assets, Fair Value Disclosure [Abstract]
Held-to-maturity, Fair Value	0	0
Fair Value, Inputs, Level 3 | Commercial mortgage-related securities | Fair Value, Measurements, Recurring | US Government Sponsored-Enterprise Insured Loans
Assets, Fair Value Disclosure [Abstract]
AFS investment securities, at fair value	0	0
Held-to-maturity, Fair Value	0	0
Fair Value, Inputs, Level 3 | Commercial mortgage-related securities | Fair Value, Measurements, Recurring | Government National Mortgage Association (GNMA) [Member]
Assets, Fair Value Disclosure [Abstract]
AFS investment securities, at fair value	0	0
Held-to-maturity, Fair Value	0	0
Fair Value, Inputs, Level 3 | Federal Family Education Loan Program (FFELP) Guaranteed Loans [Member] | Fair Value, Measurements, Recurring
Assets, Fair Value Disclosure [Abstract]
AFS investment securities, at fair value	0	0
Fair Value, Inputs, Level 3 | US Government-sponsored Enterprises Debt Securities [Member] | Fair Value, Measurements, Recurring
Assets, Fair Value Disclosure [Abstract]
AFS investment securities, at fair value	0	0
Fair Value, Inputs, Level 3 | Other Debt Obligations | Fair Value, Measurements, Recurring
Assets, Fair Value Disclosure [Abstract]
AFS investment securities, at fair value	0	0
Fair Value, Inputs, Level 3 | Available-for-sale Securities [Member] | Fair Value, Measurements, Recurring
Assets, Fair Value Disclosure [Abstract]
AFS investment securities, at fair value	0	0
Fair Value, Inputs, Level 3 | Held-to-maturity Securities [Member] | Fair Value, Measurements, Recurring
Assets, Fair Value Disclosure [Abstract]
Held-to-maturity, Fair Value	0	0
Fair Value, Inputs, NAV | Fair Value, Measurements, Recurring
Assets, Fair Value Disclosure [Abstract]
Equity Securities, FV-NI	$ 12,500	$ 10,000

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Fair Value Measurements Financial Instruments Classified Within Level 3 (Details) - Fair Value, Measurements, Recurring - Fair Value, Inputs, Level 3 - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2024	Dec. 31, 2023
Interest rate lock commitments to originate residential mortgage loans held for sale
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]
Beginning Balance	$ 439	$ 86
New production	6,153	6,557
Closed loans / settlements	(3,857)	(4,171)
Other	(1,969)	(2,033)
Change in mortgage derivative	327	352
Ending Balance	766	439
Derivative Financial Instruments, Liabilities [Member]
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]
Beginning Balance	673	46
New production	(1,414)	(1,816)
Closed loans / settlements	1,028	2,494
Other	(192)	(51)
Change in mortgage derivative	(578)	627
Ending Balance	95	673
Total derivatives
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]
Beginning Balance	(234)	40
New production	7,567	8,373
Closed loans / settlements	(4,885)	(6,665)
Other	(1,777)	(1,982)
Change in mortgage derivative	905	(274)
Ending Balance	$ 671	$ (234)

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Fair Value Measurements Equity Securities Roll Forward (Details) - Fair Value, Inputs, Level 3 - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2024	Dec. 31, 2023	Dec. 31, 2022
Equity Securities without Readily Determinable Fair Value [Line Items]
Equity Securities, FV-NI	$ 62	$ 24,769	$ 19,225
Equity Securities, FV-NI, Realized Gain (Loss)	4,054	5,861
Payments to Acquire Equity Securities, FV-NI	12	11
Proceeds from Sale of Equity Securities, FV-NI	$ (28,772)	$ (329)

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Fair Value Measurements, Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2024	Dec. 31, 2023
Assets and Liabilities Measured at Fair Value on a Non-recurring Basis
Equity Securities without Readily Determinable Fair Value, Amount	$ 13,000	$ 35,000
Fair Value, Nonrecurring [Member] | Fair Value, Inputs, Level 2
Assets and Liabilities Measured at Fair Value on a Non-recurring Basis
OREO(b)	192	3,139
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Write-down or Reserve, Amount	263	2,532
Fair Value, Nonrecurring [Member] | Fair Value, Inputs, Level 3
Assets and Liabilities Measured at Fair Value on a Non-recurring Basis
Individually evaluated loans	53,881	47,221
Provision for credit losses	$ 22,095	45,709
Equity Securities without Readily Determinable Fair Value, Amount		24,671
Gain on sale and net write-up (down) of equity securities		$ 5,785

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Fair Value Measurements Fair Value Unobservable Level 3 Measurements (Details) - Fair Value, Inputs, Level 3	6 Months Ended
	Jun. 30, 2024
Discounted Cash Flow | Mortgage Servicing Rights | Minimum
Assumption for Fair Value as of Balance Sheet Date of Assets or Liabilities that relate to Transferor's Continuing Involvement [Line Items]
Assumption for Fair Value of Assets or Liabilities that relate to Transferor's Continuing Involvement, Discount Rate	5.00%
Assumption for Fair Value of Assets or Liabilities that relate to Transferor's Continuing Involvement, Prepayment Speed	0.00%
Discounted Cash Flow | Mortgage Servicing Rights | Maximum
Assumption for Fair Value as of Balance Sheet Date of Assets or Liabilities that relate to Transferor's Continuing Involvement [Line Items]
Assumption for Fair Value of Assets or Liabilities that relate to Transferor's Continuing Involvement, Discount Rate	8.00%
Assumption for Fair Value of Assets or Liabilities that relate to Transferor's Continuing Involvement, Prepayment Speed	100.00%
Discounted Cash Flow | Mortgage Servicing Rights | Weighted Average [Member]
Assumption for Fair Value as of Balance Sheet Date of Assets or Liabilities that relate to Transferor's Continuing Involvement [Line Items]
Assumption for Fair Value of Assets or Liabilities that relate to Transferor's Continuing Involvement, Discount Rate	5.00%
Assumption for Fair Value of Assets or Liabilities that relate to Transferor's Continuing Involvement, Prepayment Speed	6.00%
Discounted Cash Flow | Interest Rate Lock Commitments [Member] | Minimum
Assumption for Fair Value as of Balance Sheet Date of Assets or Liabilities that relate to Transferor's Continuing Involvement [Line Items]
Assumption for Fair Value of Assets or Liabilities that relate to Transferor's Continuing Involvement, Discount Rate	35.00%
Discounted Cash Flow | Interest Rate Lock Commitments [Member] | Maximum
Assumption for Fair Value as of Balance Sheet Date of Assets or Liabilities that relate to Transferor's Continuing Involvement [Line Items]
Assumption for Fair Value of Assets or Liabilities that relate to Transferor's Continuing Involvement, Discount Rate	100.00%
Discounted Cash Flow | Interest Rate Lock Commitments [Member] | Weighted Average [Member]
Assumption for Fair Value as of Balance Sheet Date of Assets or Liabilities that relate to Transferor's Continuing Involvement [Line Items]
Assumption for Fair Value of Assets or Liabilities that relate to Transferor's Continuing Involvement, Discount Rate	87.00%
Appraisals/Discounted Cash Flow | Impaired Finance Receivable | Minimum
Assumption for Fair Value as of Balance Sheet Date of Assets or Liabilities that relate to Transferor's Continuing Involvement [Line Items]
Assumption for Fair Value of Assets or Liabilities that relate to Transferor's Continuing Involvement, Discount Rate	0.00%
Appraisals/Discounted Cash Flow | Impaired Finance Receivable | Maximum
Assumption for Fair Value as of Balance Sheet Date of Assets or Liabilities that relate to Transferor's Continuing Involvement [Line Items]
Assumption for Fair Value of Assets or Liabilities that relate to Transferor's Continuing Involvement, Discount Rate	81.00%
Appraisals/Discounted Cash Flow | Impaired Finance Receivable | Weighted Average [Member]
Assumption for Fair Value as of Balance Sheet Date of Assets or Liabilities that relate to Transferor's Continuing Involvement [Line Items]
Assumption for Fair Value of Assets or Liabilities that relate to Transferor's Continuing Involvement, Discount Rate	56.00%

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Retirement Plans, Components of Net Periodic Benefit Cost for the Pension and Postretirement Tables (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
RAP
Net period benefit cost for the pension and postretirement plans
Defined Benefit Plan, Description			The Corporation has a noncontributory defined benefit RAP, covering substantially all employees who meet the eligibility requirements. The benefits are based primarily on years of service and the employee’s eligible compensation paid. Employees of acquired entities generally participate in the RAP after consummation of the business combinations. Retirement plans of acquired entities are typically merged into the RAP depending on the terms of the merger agreement, and, as applicable, credit is usually applied to employees for years of service at the acquired institution for vesting and eligibility purposes.
Service cost	$ 881	$ 796	$ 1,755	$ 1,592
Interest cost	2,719	2,686	5,438	5,372
Expected return on plan assets	(8,650)	(8,202)	(17,301)	(16,404)
Amortization of prior service cost	(54)	(63)	(107)	(125)
Amortization of actuarial loss	0	0	0	37
Total net periodic pension cost	(5,104)	(4,783)	(10,215)	(9,528)
Postretirement Plan
Net period benefit cost for the pension and postretirement plans
Interest cost	18	20	37	39
Amortization of prior service cost	(19)	(19)	(38)	(38)
Amortization of actuarial loss	(7)	(7)	(14)	(15)
Total net periodic pension cost	$ (8)	$ (7)	$ (15)	$ (13)

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Retirement Plans (Details Textuals) (Details) - USD ($) $ in Millions	6 Months Ended	12 Months Ended
	Jun. 30, 2024	Dec. 31, 2023
RAP
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined Benefit Plan, Plan Assets, Contributions by Employer	$ 0	$ 0

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Segment Reporting (Details) - USD ($) $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2024	Mar. 31, 2024	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2024	Jun. 30, 2023
Segment Income Statement Data Abstract
Net interest income	$ 256,593		$ 257,917		$ 514,451	$ 531,927
Net intersegment interest (expense)	0		0		0	0
Segment net interest income	256,593		257,917		514,451	531,927
Noninterest income	65,159		65,543		130,144	127,616
Total revenue	321,752		323,460		644,595	659,543
Provision for credit losses	23,008		22,100		47,009	40,071
Noninterest expense	195,861		190,673		393,518	378,086
Income before income taxes	102,884		110,687		204,068	241,386
Income tax expense (benefit)	(12,689)		23,533		7,326	50,873
Net income	115,573	$ 81,169	87,154	$ 103,360	196,742	190,514
Allocated goodwill	1,104,992		1,104,992		1,104,992	1,104,992
Operating Segments | Corporate and Commercial Specialty
Segment Income Statement Data Abstract
Net interest income	251,196		240,542		494,127	459,665
Net intersegment interest (expense)	(99,238)		(100,711)		(192,974)	(181,691)
Segment net interest income	151,958		139,832		301,153	277,975
Noninterest income	35,131		32,451		69,553	65,168
Total revenue	187,089		172,282		370,707	343,143
Provision for credit losses	16,492		13,674		31,920	27,456
Noninterest expense	65,394		61,137		131,744	123,256
Income before income taxes	105,204		97,471		207,042	192,431
Income tax expense (benefit)	17,765		17,086		38,846	34,811
Net income	87,438		80,385		168,196	157,619
Allocated goodwill	525,836		525,836		525,836	525,836
Operating Segments | Community, Consumer, and Business
Segment Income Statement Data Abstract
Net interest income	57,808		72,460		116,000	152,744
Net intersegment interest (expense)	135,332		105,841		265,491	193,920
Segment net interest income	193,140		178,301		381,491	346,664
Noninterest income	25,418		30,252		49,912	56,199
Total revenue	218,559		208,554		431,404	402,863
Provision for credit losses	5,591		7,328		12,416	14,086
Noninterest expense	107,565		108,928		218,055	220,663
Income before income taxes	105,403		92,298		200,933	168,114
Income tax expense (benefit)	22,134		19,383		42,196	35,304
Net income	83,268		72,915		158,737	132,810
Allocated goodwill	579,156		579,156		579,156	579,156
Operating Segments | Risk Management and Shared Services
Segment Income Statement Data Abstract
Net interest income	(52,411)		(55,085)		(95,677)	(80,483)
Net intersegment interest (expense)	(36,095)		(5,130)		(72,517)	(12,229)
Segment net interest income	(88,506)		(60,216)		(168,194)	(92,712)
Noninterest income	4,610		2,840		10,678	6,249
Total revenue	(83,896)		(57,376)		(157,515)	(86,463)
Provision for credit losses	925		1,097		2,672	(1,471)
Noninterest expense	22,902		20,609		43,719	34,167
Income before income taxes	(107,722)		(79,082)		(203,906)	(119,159)
Income tax expense (benefit)	(52,589)		(12,935)		(73,716)	(19,243)
Net income	(55,133)		(66,146)		(130,191)	(99,916)
Allocated goodwill	$ 0		$ 0		$ 0	$ 0

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Segment Reporting (Details Textuals)	6 Months Ended
	Jun. 30, 2024 segment
Segment Reporting [Abstract]
Number of Reportable Segments	3

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Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2024	Mar. 31, 2024	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2024	Jun. 30, 2023
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning Balance		$ (171,096)			$ (171,096)
Debt Securities, Available-for-Sale, Realized Loss	$ 0		$ 0		(197)	$ 0
Amortization of Net Unrealized Gain on Available-for-Sale Securities Transfered to Held-to-maturity Securities	(2,122)		(2,289)		(4,182)	(4,556)
Unrealized Gain (Loss) on Cash Flow Hedging Instruments	(6,787)		(34,147)		(26,248)	(20,384)
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, before Tax	4,769		3,319		9,592	4,581
Labor and Related Expense	(121,581)		(114,089)		(240,976)	(230,510)
Other Comprehensive Income (Loss), Net of Tax	(9,333)	(38,785)	(58,054)	$ 39,211	(48,117)	(18,843)
Ending Balance	(219,214)				(219,214)
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning Balance	(169,388)	(148,641)	(204,339)	(233,192)	(148,641)	(233,192)
Other Comprehensive Income (Loss), before Reclassifications, before Tax	(11,126)		(49,066)		(41,014)	(12,588)
Debt Securities, Available-for-Sale, Realized Loss					197
Amortization of Net Unrealized Gain on Available-for-Sale Securities Transfered to Held-to-maturity Securities	2,122		2,289		4,182	4,556
Unrealized Gain (Loss) on Cash Flow Hedging Instruments	0		0		0	0
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, before Tax	0		0		0	0
Labor and Related Expense	0		0		0	0
Other Expenses	0		0		0	0
Other Comprehensive Income (Loss), Tax	2,253		11,843		9,138	1,951
Other Comprehensive Income (Loss), Net of Tax	(6,751)		(34,934)		(27,498)	(6,081)
Ending Balance	(176,139)	(169,388)	(239,273)	(204,339)	(176,139)	(239,273)
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning Balance	(13,246)	3,080	13,691	3,360	3,080	3,360
Other Comprehensive Income (Loss), before Reclassifications, before Tax	0		0		0	0
Debt Securities, Available-for-Sale, Realized Loss					0
Amortization of Net Unrealized Gain on Available-for-Sale Securities Transfered to Held-to-maturity Securities	0		0		0	0
Unrealized Gain (Loss) on Cash Flow Hedging Instruments	(6,787)		(34,147)		(26,248)	(20,384)
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, before Tax	4,769		3,319		9,592	4,581
Labor and Related Expense	0		0		0	0
Other Expenses	0		0		0	0
Other Comprehensive Income (Loss), Tax	(503)		7,867		(2,192)	3,173
Other Comprehensive Income (Loss), Net of Tax	(2,522)		(22,961)		(18,848)	(12,630)
Ending Balance	(15,768)	(13,246)	(9,270)	13,691	(15,768)	(9,270)
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning Balance	(27,247)	(25,535)	(42,940)	(42,968)	(25,535)	(42,968)
Other Comprehensive Income (Loss), before Reclassifications, before Tax	0		0		0	0
Debt Securities, Available-for-Sale, Realized Loss					0
Amortization of Net Unrealized Gain on Available-for-Sale Securities Transfered to Held-to-maturity Securities	0		0		0	0
Unrealized Gain (Loss) on Cash Flow Hedging Instruments	0		0		0	0
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, before Tax	0		0		0	0
Labor and Related Expense	(73)		(81)		(144)	(163)
Other Expenses	(7)		(7)		(14)	22
Other Comprehensive Income (Loss), Tax	20		(71)		(1,614)	8
Other Comprehensive Income (Loss), Net of Tax	(60)		(159)		(1,772)	(132)
Ending Balance	(27,307)	(27,247)	(43,099)	(42,940)	(27,307)	(43,099)
AOCI Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning Balance	(209,881)	(171,096)	(233,588)	(272,799)	(171,096)	(272,799)
Other Comprehensive Income (Loss), before Reclassifications, before Tax	(11,126)		(49,066)		(41,014)	(12,588)
Debt Securities, Available-for-Sale, Realized Loss					197
Amortization of Net Unrealized Gain on Available-for-Sale Securities Transfered to Held-to-maturity Securities	2,122		2,289		4,182	4,556
Unrealized Gain (Loss) on Cash Flow Hedging Instruments	(6,787)		(34,147)		(26,248)	(20,384)
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, before Tax	4,769		3,319		9,592	4,581
Labor and Related Expense	(73)		(81)		(144)	(163)
Other Expenses	(7)		(7)		(14)	22
Other Comprehensive Income (Loss), Tax	1,769		19,639		5,333	5,132
Other Comprehensive Income (Loss), Net of Tax	(9,333)	(38,785)	(58,054)	39,211	(48,117)	(18,843)
Ending Balance	$ (219,214)	$ (209,881)	$ (291,642)	$ (233,588)	$ (219,214)	$ (291,642)

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Leases Lease, Cost and Cash Flows (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Leases [Abstract]
Operating lease costs	$ 1,551	$ 1,479	$ 3,096	$ 2,942
Finance lease costs	23	23	46	46
Operating lease cash flows	1,592	1,698	3,436	3,526
Finance lease cash flows	$ 23	$ 23	$ 46	$ 46

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Leases Components of Lease Expense (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Leases [Abstract]
Operating lease right-of-use asset	$ 26,213	$ 24,712
Finance lease right-of-use asset	325	368
Operating lease liability	28,675	27,311
Finance lease liability	$ 339	$ 383

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Leases Operating Lease Information (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Lessee, Lease, Description [Line Items]
Lessee, Operating Lease, Liability, to be Paid	$ 32,178	$ 30,187
Operating Lease, Weighted Average Remaining Lease Term	6 years 1 month 13 days	5 years 10 months 17 days
Operating Lease, Weighted Average Discount Rate, Percent	3.49%	3.19%
Finance Lease, Liability, Payment, Due	$ 347	$ 394
Finance Lease, Weighted Average Remaining Lease Term	3 years 9 months	4 years 3 months
Finance Lease, Weighted Average Discount Rate, Percent	1.32%	1.32%
Retail and corporate offices
Lessee, Lease, Description [Line Items]
Lessee, Operating Lease, Liability, to be Paid	$ 28,130	$ 25,729
Operating Lease, Weighted Average Remaining Lease Term	6 years 1 month 6 days	5 years 9 months 3 days
Operating Lease, Weighted Average Discount Rate, Percent	3.47%	3.12%
Finance Lease, Liability, Payment, Due	$ 347	$ 394
Finance Lease, Weighted Average Remaining Lease Term	3 years 9 months	4 years 3 months
Finance Lease, Weighted Average Discount Rate, Percent	1.32%	1.32%
Land
Lessee, Lease, Description [Line Items]
Lessee, Operating Lease, Liability, to be Paid	$ 3,640	$ 4,050
Operating Lease, Weighted Average Remaining Lease Term	6 years 9 months 7 days	6 years 11 months 23 days
Operating Lease, Weighted Average Discount Rate, Percent	3.50%	3.48%
Equipment
Lessee, Lease, Description [Line Items]
Lessee, Operating Lease, Liability, to be Paid	$ 408	$ 408
Operating Lease, Weighted Average Remaining Lease Term	2 years	2 years 6 months
Operating Lease, Weighted Average Discount Rate, Percent	4.62%	4.62%

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Leases Amortization of Operating Lease Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Operating Leases
Six months ended December 31, 2024	$ 3,309
2025	6,293
2026	5,712
2027	5,002
2028	4,118
Beyond 2028	7,743
Total lease payments	32,178	$ 30,187
Less: interest	3,503
Present value of lease payments	28,675	27,311
Finance Leases
Six months ended December 31, 2024	46
2025	93
2026	93
2027	93
2028	23
Beyond 2028	0
Total lease payments	347	394
Less: interest	8
Present value of lease payments	339	$ 383
Total Leases
Six months ended December 31, 2024	3,356
2025	6,386
2026	5,805
2027	5,095
2028	4,142
Beyond 2028	7,743
Total lease payments	32,526
Less: interest	3,512
Present value of lease payments	$ 29,014

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Leases (Details Textuals) - USD ($) $ in Millions	Jun. 30, 2024	Dec. 31, 2023
Lessee, Lease, Description [Line Items]
Additional operating leases	$ 4	$ 3
Minimum
Lessee, Lease, Description [Line Items]
Operating lease terms	1 year
Additional operating lease terms	1 year
Maximum
Lessee, Lease, Description [Line Items]
Operating lease terms	38 years
Additional operating lease terms	7 years