10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

______________________

FORM 10-Q

(Mark One)

[X]	Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the quarterly period ended June 30, 2018
	or
[ ]	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 0-10967

______________________

(Exact name of registrant as specified in its charter)

Delaware	36-3161078
(State or other jurisdiction of incorporation or organization)	(IRS Employer Identification No.)

8750 West Bryn Mawr Avenue, Suite 1300

Chicago, Illinois 60631-3655

(Address of principal executive offices) (zip code)

______________________

Registrant's telephone number, including area code: (708) 831-7563

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 [X] No [ ].

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted 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 and post such files). Yes [X] 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. (Check one):

Large accelerated filer [X]	Accelerated filer [ ]
Non-accelerated filer [ ]	Smaller reporting company [ ]
(Do not check if a 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 [X].

As of August 3, 2018, there were 103,054,177 shares of common stock, $.01 par value, outstanding.

FIRST MIDWEST BANCORP, INC.

FORM 10-Q

TABLE OF CONTENTS

		Page
Part I.	FINANCIAL INFORMATION
Item 1.	Financial Statements (Unaudited)
	Consolidated Statements of Financial Condition	3
	Condensed Consolidated Statements of Income	4
	Consolidated Statements of Comprehensive Income	5
	Consolidated Statements of Changes in Stockholders' Equity	6
	Consolidated Statements of Cash Flows	7
	Notes to the Condensed Consolidated Financial Statements	9
Item 2.	Management's Discussion and Analysis of Financial Condition and Results of Operations	40
Item 3.	Quantitative and Qualitative Disclosures About Market Risk	71
Item 4.	Controls and Procedures	72
Part II.	OTHER INFORMATION
Item 1.	Legal Proceedings	72
Item 1A.	Risk Factors	72
Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds	73
Item 6.	Exhibits	74

PART I. FINANCIAL INFORMATION

ITEM 1. FINANCIAL STATEMENTS (Unaudited)

FIRST MIDWEST BANCORP, INC.

CONSOLIDATED STATEMENTS OF FINANCIAL CONDITION

(Amounts in thousands, except per share data)

					June 30, 2018			December 31, 2017
Assets					(Unaudited)
Cash and due from banks					$	181,482		$	192,800
Interest-bearing deposits in other banks					192,785			153,770
Trading securities, at fair value					—			20,447
Equity securities, at fair value					28,441			—
Securities available-for-sale, at fair value					2,142,865			1,884,209
Securities held-to-maturity, at amortized cost					13,042			13,760
Federal Home Loan Bank ("FHLB") and Federal Reserve Bank ("FRB") stock, at cost					82,778			69,708
Loans					10,891,565			10,437,812
Allowance for loan losses					(96,691		)	(95,729		)
Net loans					10,794,874			10,342,083
Other real estate owned ("OREO")					12,892			20,851
Premises, furniture, and equipment, net					127,024			123,316
Investment in bank-owned life insurance ("BOLI")					282,664			279,900
Goodwill and other intangible assets					753,020			754,757
Accrued interest receivable and other assets					206,209			221,451
Total assets					$	14,818,076		$	14,077,052
Liabilities
Noninterest-bearing deposits					$	3,667,847		$	3,576,190
Interest-bearing deposits					7,824,416			7,477,135
Total deposits					11,492,263			11,053,325
Borrowed funds					981,044			714,884
Senior and subordinated debt					195,453			195,170
Accrued interest payable and other liabilities					265,753			248,799
Total liabilities					12,934,513			12,212,178
Stockholders' Equity
Common stock					1,124			1,123
Additional paid-in capital					1,025,703			1,031,870
Retained earnings					1,122,107			1,074,990
Accumulated other comprehensive loss, net of tax					(64,400		)	(33,036		)
Treasury stock, at cost					(200,971		)	(210,073		)
Total stockholders' equity					1,883,563			1,864,874
Total liabilities and stockholders' equity					$	14,818,076		$	14,077,052
	June 30, 2018				December 31, 2017
	(Unaudited)
	Preferred		Common		Preferred			Common
	Shares		Shares		Shares			Shares
Par value per share	$	—	$	0.01	$	—		$	0.01
Shares authorized	1,000		250,000		1,000			250,000
Shares issued	—		112,356		—			112,351
Shares outstanding	—		103,059		—			102,717
Treasury shares	—		9,297		—			9,634

See accompanying unaudited notes to the condensed consolidated financial statements.

3

FIRST MIDWEST BANCORP, INC.

CONDENSED CONSOLIDATED STATEMENTS OF INCOME

(Amounts in thousands, except per share data)

(Unaudited)

	Quarters Ended   June 30,					Six Months Ended   June 30,
	2018			2017		2018		2017
Interest Income
Loans	$	127,737		$	114,820	$	246,423	$	227,185
Investment securities	13,010			10,527		24,766		21,011
Other short-term investments	1,341			1,169		2,244		2,019
Total interest income	142,088			126,516		273,433		250,215
Interest Expense
Deposits	8,032			3,729		14,211		6,938
Borrowed funds	3,513			2,099		6,992		4,293
Senior and subordinated debt	3,140			3,105		6,264		6,204
Total interest expense	14,685			8,933		27,467		17,435
Net interest income	127,403			117,583		245,966		232,780
Provision for loan losses	11,614			8,239		26,795		13,157
Net interest income after provision for loan losses	115,789			109,344		219,171		219,623
Noninterest Income
Service charges on deposit accounts	12,058			12,153		23,710		23,518
Wealth management fees	10,981			10,525		21,939		20,185
Card-based fees, net	4,394			8,832		8,327		16,948
Capital market products income	2,819			2,217		4,377		3,593
Mortgage banking income	1,736			1,645		4,133		3,533
Other service charges, commissions, and fees	2,838			5,856		5,386		11,298
Net securities gains	—			284		—		284
Other income	2,121			3,433		4,592		5,537
Total noninterest income	36,947			44,945		72,464		84,896
Noninterest Expense
Salaries and employee benefits	57,932			54,575		114,719		110,347
Net occupancy and equipment expense	13,651			12,485		27,424		24,810
Professional services	8,298			9,112		15,878		17,575
Technology and related costs	4,837			4,485		9,608		8,918
Net OREO expense	(256		)	1,631		812		3,331
Other expenses	13,939			16,289		25,542		31,673
Delivering Excellence implementation costs	15,015			—		15,015		—
Acquisition and integration related expenses	—			1,174		—		19,739
Total noninterest expense	113,416			99,751		208,998		216,393
Income before income tax expense	39,320			54,538		82,637		88,126
Income tax expense	9,720			19,588		19,527		30,321
Net income	$	29,600		$	34,950	$	63,110	$	57,805
Per Common Share Data
Basic earnings per common share	$	0.29		$	0.34	$	0.61	$	0.57
Diluted earnings per common share	$	0.29		$	0.34	$	0.61	$	0.57
Dividends declared per common share	$	0.11		$	0.10	$	0.22	$	0.19
Weighted-average common shares outstanding	102,159			101,743		102,041		101,081
Weighted-average diluted common shares outstanding	102,159			101,763		102,049		101,101

See accompanying unaudited notes to the condensed consolidated financial statements.

4

FIRST MIDWEST BANCORP, INC.

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME

(Dollar amounts in thousands)

(Unaudited)

	Quarters Ended   June 30,						Six Months Ended   June 30,
	2018			2017			2018			2017
Net income	$	29,600		$	34,950		$	63,110		$	57,805
Securities Available-for-Sale
Unrealized holding (losses) gains:
Before tax	(8,980		)	7,352			(34,133		)	10,650
Tax effect	2,535			(2,941		)	9,507			(4,262		)
Net of tax	(6,445		)	4,411			(24,626		)	6,388
Reclassification of net gains included in net income:
Before tax	—			284			—			284
Tax effect	—			(114		)	—			(114		)
Net of tax	—			170			—			170
Net unrealized holding (losses) gains	(6,445		)	4,241			(24,626		)	6,218
Derivative Instruments
Unrealized holding losses:
Before tax	(590		)	(905		)	(68		)	(3,125		)
Tax effect	166			361			19			1,250
Net of tax	(424		)	(544		)	(49		)	(1,875		)
Total other comprehensive (loss) income	(6,869		)	3,697			(24,675		)	4,343
Total comprehensive income	$	22,731		$	38,647		$	38,435		$	62,148

	Accumulated Unrealized Loss on Securities Available- for-Sale			Accumulated Unrealized Loss on Derivative Instruments			Unrecognized Net Pension Costs			Total Accumulated Other Comprehensive Loss
Balance at December 31, 2016	$	(22,645	)	$	(1,176	)	$	(17,089	)	$	(40,910	)
Other comprehensive income	6,218			(1,875		)	—			4,343
Balance at June 30, 2017	$	(16,427	)	$	(3,051	)	$	(17,089	)	$	(36,567	)
Balance at December 31, 2017	$	(13,976	)	$	(3,763	)	$	(15,297	)	$	(33,036	)
Adjustment to apply recent accounting pronouncements(1)	(2,864		)	(784		)	(3,041		)	(6,689		)
Other comprehensive loss	(24,626		)	(49		)	—			(24,675		)
Balance at June 30, 2018	$	(41,466	)	$	(4,596	)	$	(18,338	)	$	(64,400	)

⁽¹⁾  As a result of accounting guidance adopted in the first quarter of 2018, certain reclassifications were made from accumulated other comprehensive loss to retained earnings as of January 1, 2018. For further discussion of this guidance, see Note 2, "Recent Accounting Pronouncements."

See accompanying unaudited notes to the condensed consolidated financial statements.

5

FIRST MIDWEST BANCORP, INC.

CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY

(Amounts in thousands, except per share data)

(Unaudited)

	Common Shares Outstanding		Common Stock		Additional Paid-in Capital			Retained Earnings			Accumulated Other Comprehensive Loss			Treasury Stock			Total
Balance at December 31, 2016	81,325		$	913	$	498,937		$	1,016,674		$	(40,910	)	$	(218,534	)	$	1,257,080
Net income	—		—		—			57,805			—			—			57,805
Other comprehensive income	—		—		—			—			4,343			—			4,343
Common dividends declared   ($0.19 per common share)	—		—		—			(18,407		)	—			—			(18,407		)
Acquisitions, net of issuance costs	21,078		210		533,322			—			—			558			534,090
Common stock issued	5		—		110			—			—			—			110
Restricted stock activity	340		—		(12,588		)	—			—			8,748			(3,840		)
Treasury stock issued to benefit plans	(7	)	—		(1		)	—			—			(164		)	(165		)
Share-based compensation expense	—		—		5,827			—			—			—			5,827
Balance at June 30, 2017	102,741		$	1,123	$	1,025,607		$	1,056,072		$	(36,567	)	$	(209,392	)	$	1,836,843
Balance at December 31, 2017	102,717		$	1,123	$	1,031,870		$	1,074,990		$	(33,036	)	$	(210,073	)	$	1,864,874
Adjustment to apply recent accounting   pronouncements(1)	—		—		—			6,689			(6,689		)	—			—
Net income	—		—		—			63,110			—			—			63,110
Other comprehensive income	—		—		—			—			(24,675		)	—			(24,675		)
Common dividends declared   ($0.22 per common share)	—		—		—			(22,682		)	—			—			(22,682		)
Common stock issued	5		1		161			—			—			667			829
Restricted stock activity	339		—		(12,558		)	—			—			8,511			(4,047		)
Treasury stock issued to benefit plans	(2	)	—		34			—			—			(76		)	(42		)
Share-based compensation expense	—		—		6,196			—			—			—			6,196
Balance at June 30, 2018	103,059		$	1,124	$	1,025,703		$	1,122,107		$	(64,400	)	$	(200,971	)	$	1,883,563

⁽¹⁾  As a result of accounting guidance adopted in the first quarter of 2018, certain reclassifications were made from accumulated other comprehensive loss to retained earnings as of January 1, 2018. For further discussion of this guidance, see Note 2, "Recent Accounting Pronouncements."

See accompanying unaudited notes to the condensed consolidated financial statements.

6

FIRST MIDWEST BANCORP, INC.

CONSOLIDATED STATEMENTS OF CASH FLOWS

(Dollar amounts in thousands)

(Unaudited)

	Six Months Ended   June 30,
	2018			2017
Operating Activities
Net income	$	63,110		$	57,805
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for loan losses	26,795			13,157
Depreciation of premises, furniture, and equipment	7,584			6,993
Net amortization of premium on securities	7,738			8,327
Net securities gains	—			(284		)
Gains on sales of 1-4 family mortgages and corporate loans held-for-sale	(3,134		)	(3,293		)
Net losses on sales and valuation adjustments of OREO	493			1,520
Amortization of the FDIC indemnification asset	604			604
Net losses (gains) on sales and valuation adjustments of premises, furniture, and equipment	5,449			(391		)
BOLI income	(2,877		)	(2,671		)
Share-based compensation expense	6,196			5,827
Tax benefit (expense) related to share-based compensation	158			(13		)
Amortization of other intangible assets	3,596			4,128
Originations of mortgage loans held-for-sale	(114,142		)	(111,066		)
Proceeds from sales of mortgage loans held-for-sale	130,900			116,655
Net increase in equity securities	(586		)	—
Net increase in trading securities	—			(1,625		)
Net decrease (increase) in accrued interest receivable and other assets	8,072			(7,481		)
Net increase (decrease) in accrued interest payables and other liabilities	16,100			(6,933		)
Net cash provided by operating activities	156,056			81,259
Investing Activities
Proceeds from maturities, repayments, and calls of securities available-for-sale	154,136			158,946
Proceeds from sales of securities available-for-sale	—			241,137
Purchases of securities available-for-sale	(462,071		)	(172,451		)
Proceeds from maturities, repayments, and calls of securities held-to-maturity	718			4,948
Purchases of securities held-to-maturity	—			(10		)
Net purchases of FHLB stock	(13,070		)	(3,955		)
Net increase in loans	(479,514		)	(225,537		)
Premiums paid on BOLI, net of proceeds from claims	113			(6		)
Proceeds from sales of OREO	8,638			8,476
Proceeds from sales of premises, furniture, and equipment	150			7,056
Purchases of premises, furniture, and equipment	(16,891		)	(6,619		)
Net cash received from acquisitions	—			41,717
Net cash (used in) provided by investing activities	(807,791		)	53,702
Financing Activities
Net increase in deposit accounts	438,938			147,243
Net increase (decrease) in borrowed funds	266,160			(239,675		)
Cash dividends paid	(21,619		)	(16,485		)
Restricted stock activity	(4,047		)	(3,840		)
Net cash provided by (used in) financing activities	679,432			(112,757		)
Net increase in cash and cash equivalents	27,697			22,204
Cash and cash equivalents at beginning of period	346,570			262,148
Cash and cash equivalents at end of period	$	374,267		$	284,352

7

FIRST MIDWEST BANCORP, INC.

CONSOLIDATED STATEMENTS OF CASH FLOWS – (Continued)

(Dollar amounts in thousands)

(Unaudited)

	Six Months Ended   June 30,
	2018			2017
Supplemental Disclosures of Cash Flow Information:
Income taxes refunded	$	(18,898	)	$	(958	)
Interest paid to depositors and creditors	25,056			16,381
Dividends declared, but unpaid	11,248			9,165
Stock issued for acquisitions, net of issuance costs	—			534,090
Non-cash transfers of loans to OREO	1,172			1,982
Non-cash transfers of loans held-for-investment to loans held-for-sale	9,546			31,564
Non-cash transfer of trading securities and securities available-for-sale to equity securities	27,855			—

See accompanying unaudited notes to the condensed consolidated financial statements.

8

NOTES TO THE CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

1. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

Basis of Presentation – The accompanying unaudited condensed consolidated interim financial statements ("consolidated financial statements") of First Midwest Bancorp, Inc. (the "Company"), a Delaware corporation, were prepared in accordance with the rules and regulations of the Securities and Exchange Commission ("SEC") for quarterly reports on Form 10-Q and reflect all adjustments that management deems necessary for the fair presentation of the financial position and results of operations for the periods presented. The results of operations for the quarter and six months ended June 30, 2018 are not necessarily indicative of the results that may be expected for the year ending December 31, 2018.

The accounting and reporting policies of the Company and its subsidiaries conform to U.S. generally accepted accounting principles ("GAAP") and general practices within the banking industry. The accompanying consolidated financial statements do not include certain information and note disclosures required by GAAP for complete annual financial statements. Therefore, these financial statements should be read in conjunction with the Company's 2017 Annual Report on Form 10-K ("2017 10-K"). The Company uses the accrual basis of accounting for financial reporting purposes. Certain reclassifications were made to prior year amounts to conform to the current year presentation.

Use of Estimates – The preparation of the consolidated financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the amounts reported in the consolidated financial statements and accompanying notes. Although these estimates and assumptions are based on the best available information, actual results could differ from those estimates.

Principles of Consolidation – The accompanying consolidated financial statements include the financial position and results of operations of the Company and its subsidiaries after elimination of all significant intercompany accounts and transactions. Assets held in a fiduciary or agency capacity are not assets of the Company or its subsidiaries and are not included in the consolidated financial statements.

The accounting policies related to business combinations, loans, the allowance for credit losses, and derivative financial instruments are presented below. For a summary of all other significant accounting policies, see Note 1, "Summary of Significant Accounting Policies," in the Company's 2017 10-K.

Business Combinations – Business combinations are accounted for under the acquisition method of accounting. Assets acquired and liabilities assumed are recorded at their estimated fair values as of the date of acquisition, with any excess of the purchase price of the acquisition over the fair value of the identifiable net tangible and intangible assets acquired recorded as goodwill. Alternatively, a gain is recorded if the fair value of assets purchased exceeds the fair value of liabilities assumed and consideration paid. The results of operations of the acquired business are included in the Condensed Consolidated Statements of Income from the effective date of the acquisition.

Loans – Loans held-for-investment are loans that the Company intends to hold until they are paid in full and are carried at the principal amount outstanding, including certain net deferred loan origination fees. Loan origination fees, commitment fees, and certain direct loan origination costs are deferred, and the net amount is amortized as a yield adjustment over the contractual life of the related loans or commitments and included in interest income. Fees related to letters of credit are amortized into fee income over the contractual life of the commitment. Other credit-related fees are recognized as fee income when earned. The Company's net investment in direct financing leases is included in loans and consists of future minimum lease payments and estimated residual values, net of unearned income. Interest income on loans is accrued based on principal amounts outstanding. Loans held-for-sale are carried at the lower of aggregate cost or fair value and included in other assets in the Consolidated Statements of Financial Condition.

Acquired and Covered Loans – Covered loans consists of loans acquired by the Company in Federal Deposit Insurance Corporation ("FDIC")-assisted transactions, which are covered by loss share agreements with the FDIC (the "FDIC Agreements"), under which the FDIC reimburses the Company for the majority of the losses and eligible expenses related to these assets during the coverage period. Acquired loans consist of all other loans that were acquired in business combinations that are not covered by the FDIC Agreements. Certain loans that were previously classified as covered loans are no longer covered under the FDIC Agreements, and are included in acquired loans. Covered loans and acquired loans are included within loans held-for-investment.

Acquired and covered loans are separated into (i) non-purchased credit impaired ("non-PCI") and (ii) purchased credit impaired ("PCI") loans. Non-PCI loans include loans that did not have evidence of credit deterioration since origination at the acquisition date. PCI loans include loans that had evidence of credit deterioration since origination and for which it was probable at acquisition that the Company would not collect all contractually required principal and interest payments. Evidence of credit deterioration

9

was evaluated using various indicators, such as past due and non-accrual status. Leases and revolving loans do not qualify to be accounted for as PCI loans and are accounted for as non-PCI loans.

The acquisition adjustment related to non-PCI loans is amortized into interest income over the contractual life of the related loans. If an acquired non-PCI loan is renewed subsequent to the acquisition date, any remaining acquisition adjustment is accreted into interest income and the loan is considered a new loan that is no longer classified as an acquired loan.

PCI loans are accounted for based on estimates of expected future cash flows. To estimate the fair value, the Company generally aggregates purchased consumer loans and commercial loans into pools of loans with common risk characteristics, such as delinquency status, credit score, and internal risk ratings. The fair values of larger balance commercial loans are estimated on an individual basis. Expected future cash flows in excess of the fair value of loans at the purchase date ("accretable yield") are recorded as interest income over the life of the loans if the timing and amount of the expected future cash flows can be reasonably estimated. The non-accretable yield represents the difference between contractually required payments and the expected future cash flows determined at acquisition. Subsequent increases in expected future cash flows are offset against the allowance for credit losses to the extent an allowance has been established or otherwise recognized as interest income prospectively. The present value of any decreases in expected future cash flows is recognized by recording a charge-off through the allowance for loan losses or providing an allowance for loan losses.

90-Days Past Due Loans – The Company's accrual of interest on loans is generally discontinued at the time the loan is 90 days past due unless the credit is sufficiently collateralized and in the process of renewal or collection.

Non-accrual Loans– Generally, corporate loans are placed on non-accrual status (i) when either principal or interest payments become 90 days or more past due unless the credit is sufficiently collateralized and in the process of renewal or collection, or (ii) when an individual analysis of a borrower's creditworthiness warrants a downgrade to non-accrual regardless of past due status. When a loan is placed on non-accrual status, unpaid interest credited to income in the current year is reversed, and unpaid interest accrued in prior years is charged against the allowance for loan losses. After the loan is placed on non-accrual status, all debt service payments are applied to the principal on the loan. Future interest income may only be recorded on a cash basis after recovery of principal is reasonably assured. Non-accrual loans are returned to accrual status when the financial position of the borrower and other relevant factors indicate that the Company will collect all principal and interest.

Commercial loans and loans secured by real estate are charged-off when deemed uncollectible. A loss is recorded if the net realizable value of the underlying collateral is less than the outstanding principal and interest. Consumer loans that are not secured by real estate are subject to mandatory charge-off at a specified delinquency date and are usually not classified as non-accrual prior to being charged-off. Closed-end consumer loans, which include installment, automobile, and single payment loans, are usually charged-off no later than the end of the month in which the loan becomes 120 days past due.

PCI loans are generally considered accruing loans unless reasonable estimates of the timing and amount of expected future cash flows cannot be determined. Loans without reasonable future cash flow estimates are classified as non-accrual loans, and interest income is not recognized on those loans until the timing and amount of the expected future cash flows can be reasonably determined.

Troubled Debt Restructurings ("TDRs") – A restructuring is considered a TDR when (i) the borrower is experiencing financial difficulties, and (ii) the creditor grants a concession, such as forgiveness of principal, reduction of the interest rate, changes in payments, or extension of the maturity date. Loans are not classified as TDRs when the modification is short-term or results in an insignificant delay in payments. The Company's TDRs are determined on a case-by-case basis.

The Company does not accrue interest on a TDR unless it believes collection of all principal and interest under the modified terms is reasonably assured. For a TDR to begin accruing interest, the borrower must demonstrate some level of past performance and the future capacity to perform under the modified terms. Generally, six months of consecutive payment performance under the restructured terms is required before a TDR is returned to accrual status. However, the period could vary depending on the individual facts and circumstances of the loan. An evaluation of the borrower's current creditworthiness is used to assess the borrower's capacity to repay the loan under the modified terms. This evaluation includes an estimate of expected future cash flows, evidence of strong financial position, and estimates of the value of collateral, if applicable. For TDRs to be removed from TDR status in the calendar year after the restructuring, the loans must (i) have an interest rate and terms that reflect market conditions at the time of restructuring, and (ii) be in compliance with the modified terms. If the loan was restructured at below market rates and terms, it continues to be separately reported as restructured until it is paid in full or charged-off.

Impaired Loans – Impaired loans consist of corporate non-accrual loans and TDRs. A loan is considered impaired when it is probable that the Company will not collect all contractual principal and interest. With the exception of accruing TDRs, impaired loans are classified as non-accrual and are exclusive of smaller homogeneous loans, such as home equity, 1-4 family mortgages, and installment loans. Impaired loans with balances under a specified threshold are not individually evaluated for impairment. For all other impaired loans, impairment is measured by comparing the estimated value of the loan to the recorded book value.

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The value of collateral-dependent loans is based on the fair value of the underlying collateral, less costs to sell. The value of other loans is measured using the present value of expected future cash flows discounted at the loan's initial effective interest rate.

Allowance for Credit Losses – The allowance for credit losses is comprised of the allowance for loan losses and the reserve for unfunded commitments, and is maintained by management at a level believed adequate to absorb estimated losses inherent in the existing loan portfolio. Determination of the allowance for credit losses is subjective since it requires significant estimates and management judgment, including the amounts and timing of expected future cash flows on impaired loans, estimated losses on pools of homogeneous loans, consideration of current economic trends, and other factors.

Loans deemed to be uncollectible are charged-off against the allowance for loan losses, while recoveries of amounts previously charged-off are credited to the allowance for loan losses. Additions to the allowance for loan losses are charged to expense through the provision for loan losses. The amount of provision depends on a number of factors, including net charge-off levels, loan growth, changes in the composition of the loan portfolio, and the Company's assessment of the allowance for loan losses based on the methodology discussed below.

Allowance for Loan Losses– The allowance for loan losses consists of (i) specific reserves for individual loans where the recorded investment exceeds the value, (ii) an allowance based on a loss migration analysis that uses historical credit loss experience for each loan category, and (iii) an allowance based on other internal and external qualitative factors.

The specific reserves component of the allowance for loan losses is based on a periodic analysis of impaired loans exceeding a fixed dollar amount. If the value of an impaired loan is less than the recorded book value, the Company either establishes a valuation allowance (i.e., a specific reserve) equal to the excess of the book value over the collateral value of the loan as a component of the allowance for loan losses or charges off the amount if it is a confirmed loss.

The general reserve component is based on a loss migration analysis, which examines actual loss experience by loan category for a rolling 8-quarter period and the related internal risk rating for corporate loans. The loss migration analysis is updated quarterly, primarily using actual loss experience. This component is then adjusted based on management's consideration of many internal and external qualitative factors, including:

• Changes in the composition of the loan portfolio, trends in the volume of loans, and trends in delinquent and non-accrual loans that could indicate that historical trends do not reflect current conditions.

• Changes in credit policies and procedures, such as underwriting standards and collection, charge-off, and recovery practices.

• Changes in the experience, ability, and depth of credit management and other relevant staff.

• Changes in the quality of the Company's loan review system and Board of Directors oversight.

• The effect of any concentration of credit and changes in the level of concentrations, such as loan type or risk rating.

• Changes in the value of the underlying collateral for collateral-dependent loans.

• Changes in the national and local economy that affect the collectability of various segments of the portfolio.

• The effect of other external factors, such as competition and legal and regulatory requirements, on the Company's loan portfolio.

The allowance for loan losses also consists of an allowance on acquired and covered non-PCI and PCI loans. No allowance for loan losses is recorded on acquired loans at the acquisition date. Subsequent to the acquisition date, an allowance for credit losses is established as necessary to reflect credit deterioration. The acquired non-PCI allowance is based on management's evaluation of the acquired non-PCI loan portfolio giving consideration to the current portfolio balance, including the remaining acquisition adjustments, maturity dates, and overall credit quality. The allowance for covered non-PCI loans is calculated in the same manner as the general reserve component based on a loss migration analysis as discussed above. The acquired and covered PCI allowance reflects the difference between the carrying value and the discounted expected future cash flows of the acquired and covered PCI loans. On a periodic basis, the adequacy of this allowance is determined through a re-estimation of expected future cash flows on all of the outstanding acquired and covered PCI loans using either a probability of default/loss given default ("PD/LGD") methodology or a specific review methodology. The PD/LGD model is a loss model that estimates expected future cash flows using a probability of default curve and loss given default estimates. Acquired non-PCI loans that have renewed subsequent to the respective acquisition dates are no longer classified as acquired loans. Instead, they are included in the general loan population and allocated an allowance based on a loss migration analysis.

Reserve for Unfunded Commitments– The Company also maintains a reserve for unfunded commitments, including letters of credit, for the risk of loss inherent in these arrangements. The reserve for unfunded commitments is estimated using the loss migration analysis from the allowance for loan losses, adjusted for probabilities of future funding requirements. The reserve for unfunded commitments is included in other liabilities in the Consolidated Statements of Financial Condition.

The establishment of the allowance for credit losses involves a high degree of judgment given the difficulty of assessing the factors impacting loan repayment and estimating the timing and amount of losses. While management utilizes its best judgment and

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information available, the adequacy of the allowance for credit losses depends on a variety of factors beyond the Company's control, including the performance of its loan portfolio, the economy, changes in interest rates and property values, and the interpretation of loan risk classifications by regulatory authorities.

Derivative Financial Instruments – To provide derivative products to customers and in the ordinary course of business, the Company enters into derivative transactions as part of its overall interest rate risk management strategy to minimize significant unplanned fluctuations in earnings and expected future cash flows caused by interest rate volatility. All derivative instruments are recorded at fair value as either other assets or other liabilities in the Consolidated Statements of Financial Condition. Subsequent changes in a derivative's fair value are recognized in earnings unless specific hedge accounting criteria are met.

On the date the Company enters into a derivative contract, the derivative is designated as a fair value hedge, a cash flow hedge, or a non-hedge derivative instrument. Fair value hedges are designed to mitigate exposure to changes in the fair value of an asset or liability attributable to a particular risk, such as interest rate risk. Cash flow hedges are designed to mitigate exposure to variability in expected future cash flows to be received or paid related to an asset, liability, or other type of forecasted transaction. The Company formally documents all relationships between hedging instruments and hedged items, including its risk management objective and strategy at inception.

At the hedge's inception, a formal assessment is performed to determine the effectiveness of the derivative in offsetting changes in the fair values or expected future cash flows of the hedged items in the current period and prospectively. If a derivative instrument designated as a hedge is terminated or ceases to be highly effective, hedge accounting is discontinued prospectively, and the gain or loss is amortized into earnings. For fair value hedges, the gain or loss is amortized over the remaining life of the hedged asset or liability. For cash flow hedges, the gain or loss is amortized over the same period that the forecasted hedged transactions impact earnings. If the hedged item is disposed of, any fair value adjustments are included in the gain or loss from the disposition of the hedged item. If the forecasted transaction is no longer probable, the gain or loss is included in earnings immediately.

For fair value hedges, changes in the fair value of the derivative instruments, as well as changes in the fair value of the hedged item, are recognized in earnings in the same income statement line item as the earnings effect of the hedged item. For cash flow hedges, the effective portion of the change in fair value of the derivative instrument is reported as a component of accumulated other comprehensive loss and is reclassified to earnings when the hedged transaction is reflected in earnings.

2. RECENT ACCOUNTING PRONOUNCEMENTS

Adopted Accounting Pronouncements

Revenue from Contracts with Customers: In May of 2014, the Financial Accounting Standards Board ("FASB") issued guidance that requires an entity to recognize revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. In March of 2016, the FASB issued an amendment to this guidance to clarify the implementation of guidance on principal versus agent consideration. Additional amendments to clarify the implementation guidance on the identification of performance obligations and licensing were issued in April of 2016 and narrow-scope improvements and practical expedients were issued in May of 2016. The guidance is effective for annual and interim reporting periods beginning on or after December 15, 2017, and must be applied either retrospectively or using the modified retrospective approach.

The Company's revenue is comprised of net interest income on financial assets and liabilities, which is excluded from the scope of this guidance, and noninterest income. The primary sources of revenue within noninterest income are service charges on deposit accounts, wealth management fees, card-based fees, and merchant servicing fees. The adoption of this guidance on January 1, 2018, using the modified retrospective approach, affected how the Company presents merchant servicing fees, merchant card expenses, card-based fees, and cardholder expenses, which are presented on a gross basis within noninterest income and noninterest expense for the prior period and are presented on a net basis within noninterest income for the current period. Total expenses of $4.0 million and $7.7 million for the quarter and six months ended June 30, 2018 were netted in noninterest income. The adoption of this guidance did not impact net income; therefore, a cumulative effect adjustment to opening retained earnings was not deemed necessary. Consistent with the modified retrospective approach, the Company did not adjust prior period amounts for the reclassification of merchant card expenses and cardholder expenses.

A description of the Company's revenue streams accounted for under the scope of this guidance follows:

Service charges on deposit accounts – Service charges on deposit accounts consist of account analysis fees (net fees earned on analyzed business and public checking accounts), monthly service fees, and other deposit account related fees. The Company's performance obligation for account analysis fees and monthly service fees is generally satisfied, and the related revenue recognized, over the period in which the service is provided. Other deposit account related fees are largely transactional based and, therefore, the Company's performance obligation is satisfied, and related revenue recognized, at a point in time. Payment for service charges

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on deposit accounts is primarily received as a direct charge to customers' accounts. As a result of the adoption of this guidance, there was no impact to the method of recognizing revenue related to service charges on deposit accounts for the quarter and six months ended June 30, 2018.

Wealth management fees – Wealth management fees represents quarterly fees due from wealth management customers as consideration for managing the customers' assets. Wealth management services include custody of assets, investment management, escrow services, fees for trust services and similar fiduciary activities. Revenue is recognized when our performance obligation is completed each quarter, which is generally the time that payment is received. Also included are fees received from a third-party broker-dealer as part of a revenue-sharing agreement. These fees are paid to us by the third-party on a quarterly basis and recognized ratably throughout the quarter as our performance obligation is satisfied. As a result of the adoption of this guidance, there was no impact to the method of recognizing revenue related to wealth management fees for the quarter and six months ended June 30, 2018.

Card-based fees, net – Card-based fees, net consists of debit and credit card interchange fees for processing transactions, as well as various fees for automated teller machine ("ATM") and point-of-sale transactions processed through the related networks. Interchange, ATM, and point-of-sale fees from cardholder transactions represent a percentage of the underlying transaction value or a flat fee and are recognized daily in connection with the transaction processing services provided to the cardholder. Card-based fees are presented net of certain contract costs associated with the debit, credit and ATM card interchange networks. As a result of the adoption of this guidance, $1.9 million and $3.6 million of cardholder expenses are netted against card-based fees for the quarter and six months ended June 30, 2018, respectively.

Merchant servicing fees, net – Merchant servicing fees, net is included in other service charges, commissions, and fees in the Consolidated Statements of Income. The Company acts in an agency capacity with respect to its merchants to process their debit and credit card transactions, deriving revenue from assisting another entity in transactions with the Company's customers. Merchant servicing fees represent a percentage of the underlying net transaction volume or a flat fee and are recognized monthly. Merchant servicing fees are presented net of certain contract costs associated with the third-party merchant processing. As a result of the adoption of this guidance, $2.1 million and $4.1 million of merchant card expenses are netted against merchant servicing fees for the quarter and six months ended June 30, 2018, respectively.

Amendments to Guidance on Classifying and Measuring Financial Instruments: In January of 2016, the FASB issued guidance that will require entities to measure equity investments that do not result in consolidation and are not accounted for under the equity method at fair value. Any subsequent changes in fair value will be recognized in net income unless the investments qualify for a new practicability exception. Equity securities totaling $28.4 million are no longer classified as trading securities or securities available-for-sale. This guidance also requires entities to adjust the fair value disclosures for financial instruments carried at amortized cost from an entry price to an exit price. No changes were made to the guidance for classifying and measuring investments in debt securities and loans. Except as discussed above, the adoption of this guidance on January 1, 2018 did not materially impact the Company's financial condition, results of operations, or liquidity.

Classification of Certain Cash Receipts and Cash Payments: In August of 2016, the FASB issued guidance clarifying certain cash flow presentation and classification issues to reduce diversity in practice. The adoption of this guidance on January 1, 2018 did not materially impact the Company's financial condition, results of operations, or liquidity.

Income Taxes: In October of 2016, the FASB issued guidance that requires an entity to recognize the income tax consequences of an intra-entity transfer of an asset other than inventory when the transfer occurs. The adoption of this guidance on January 1, 2018 did not materially impact the Company's financial condition, results of operations, or liquidity.

Clarifying the Definition of a Business: In January of 2017, the FASB issued guidance that clarifies the definition of a business to assist entities with evaluating whether transactions should be accounted for as acquisitions or disposals of assets or businesses. The adoption of this guidance on January 1, 2018 did not impact the Company's financial condition, results of operations, or liquidity.

Presentation of Defined Benefit Retirement Plan Costs: In March of 2017, the FASB issued guidance that changes how employers that sponsor defined pension and or other postretirement benefit plans present the net periodic benefit cost in the income statement. Employers are required to present the service cost component of the net periodic benefit cost in the same income statement line item as other employee compensation costs arising from services rendered during the period. Other components of net periodic benefit cost are required to be presented separately from the line item(s) that includes the service cost. The adoption of this guidance on January 1, 2018 did not materially impact the Company's financial condition, results of operations, or liquidity.

Share-based Payment Award Modifications: In May of 2017, the FASB issued guidance to reduce diversity in practice by clarifying when changes to the terms or conditions of a share-based payment award must be accounted for as a modification. The adoption of this guidance on January 1, 2018 did not materially impact the Company's financial condition, results of operations, or liquidity.

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Derivatives and Hedging: In August of 2017, the FASB issued guidance to better align the financial reporting related to hedging activities with the economic objectives of those activities and to simplify the application of current hedge accounting guidance. Entities are required to apply the guidance using a modified retrospective method as of the period of adoption. This guidance is effective for annual and interim periods beginning after December 31, 2018. Early adoption is permitted, and the Company elected to do so on January 1, 2018, which did not materially impact the Company's financial condition, results of operations, or liquidity.

Reclassification of Certain Tax Effects from Accumulated Other Comprehensive Income: In February of 2018, the FASB issued guidance that requires a reclassification from accumulated other comprehensive income to retained earnings for stranded tax effects resulting from the Tax Cuts and Jobs Act of 2017. Entities electing the reclassification are required to apply the guidance either at the beginning of the period of adoption or retrospectively for all periods impacted. This guidance is effective for annual and interim periods beginning after December 15, 2018. Early adoption is permitted and the Company elected to do so on January 1, 2018, which resulted in the reclassification of $6.8 million of stranded tax effects from accumulated other comprehensive loss to retained earnings as of the beginning of the period of adoption.

Accounting Pronouncements Pending Adoption

Leases: In February of 2016, the FASB issued guidance to increase transparency and comparability across entities for leasing arrangements. This guidance requires lessees to recognize assets and liabilities for most leases. For lessors, this guidance modifies the lease classification criteria and the accounting for sales-type and direct financing leases. In addition, this guidance clarifies criteria for the determination of whether a contract is or contains a lease. This guidance is effective for annual and interim periods beginning after December 15, 2018. Early adoption is permitted.

During 2016, First Midwest Bank (the "Bank") entered into a sale-leaseback transaction that resulted in a deferred gain of $82.5 million, with $71.7 million remaining as of June 30, 2018. Upon adoption of this guidance, the remaining deferred gain will be recognized immediately as a cumulative-effect adjustment to equity. For additional discussion of the sale-leaseback transaction, see Note 8 "Premises, Furniture, and Equipment" to the Consolidated Financial Statements in the Company's 2017 10-K. Management is completing its evaluation of the guidance and does not expect the adoption of the guidance will materially impact the Company's results of operations or liquidity, but anticipates a material increase in assets, liabilities, and equity.

Measurement of Credit Losses on Financial Instruments: In June of 2016, the FASB issued guidance that will require entities to present financial assets measured at amortized cost at the net amount expected to be collected, considering an entity's current estimate of all expected credit losses. In addition, credit losses relating to available-for-sale debt securities will be required to be recorded through an allowance for credit losses, with changes in credit loss estimates recognized through current earnings. This guidance is effective for annual and interim periods beginning after December 15, 2019. Early adoption is permitted, but not for periods beginning before December 15, 2018. Management is evaluating the guidance and the impact to the Company's financial condition, results of operations, or liquidity.

Accounting for Goodwill Impairment: In January of 2017, the FASB issued guidance that simplifies the accounting for goodwill impairment for all entities. The new guidance eliminates the requirement to calculate the implied fair value of goodwill using the second step of the quantitative two-step goodwill impairment model prescribed under current accounting guidance. Under the new guidance, if a reporting unit's carrying amount exceeds its fair value, an entity will record an impairment charge based on that difference. This guidance is effective for annual and interim goodwill impairment testing dates beginning after December 15, 2019. Early adoption is permitted for annual and interim goodwill impairment testing dates after January 1, 2017. Management does not expect the adoption of this guidance will materially impact the Company's financial condition, results of operations, or liquidity.

Premium Amortization on Purchased Callable Debt Securities: In March of 2017, the FASB issued guidance that shortens the amortization period for the premium on certain purchased callable debt securities to the earliest call date. This guidance is effective for annual and interim periods beginning after December 15, 2018. Early adoption is permitted. Management does not expect the adoption of this guidance will materially impact the Company's financial condition, results of operations, or liquidity.

Improvements to Nonemployee Share-based Payment Accounting: In June of 2018, the FASB issued guidance that aligns the measurement and classification guidance for share-based payments to nonemployees with the guidance for share-based payments to employees. This guidance is effective for annual and interim periods beginning after December 15, 2018. Early adoption is permitted. Management does not expect the adoption of this guidance will materially impact the Company's financial condition, results of operations, or liquidity.

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3. ACQUISITIONS

Pending Acquisition

Northern States Financial Corporation

On June 6, 2018, the Company entered into a definitive agreement to acquire Northern States Financial Corporation, ("Northern States"), the holding company for NorStates Bank, based in Waukegan, Illinois. As of June 30, 2018, Northern States had approximately $530 million in total assets, $450 million in deposits, and $310 million in loans. The merger agreement provides for an exchange ratio of 0.0369 shares of Company common stock for each share of Northern States common stock, subject to adjustment as set forth in the merger agreement. As of the date of the public announcement, the overall transaction was valued at approximately $91 million. The acquisition is expected to close in the fourth quarter of 2018, subject to customary regulatory approvals and closing conditions, as well as the approval of Northern States' stockholders.

Completed Acquisitions

Standard Bancshares, Inc.

On January 6, 2017, the Company completed its acquisition of Standard Bancshares, Inc. ("Standard"), the holding company for Standard Bank and Trust Company. Pursuant to the terms of the merger agreement, on January 6, 2017, each outstanding share of Standard common stock was canceled and converted into the right to receive 0.4350 of a share of Company common stock. Based on the closing price of shares of Company common stock of $25.34 on that date, as reported by NASDAQ, the value of the merger consideration per share of Standard common stock was $11.02. Each outstanding Standard stock settled right was redeemed for cash, and each outstanding Standard stock option and each share of Standard phantom stock were canceled and terminated in exchange for the right to receive cash, in each case, pursuant to the terms of the merger agreement. This resulted in an overall transaction value of approximately $580.7 million, which consisted of 21,057,085 shares of Company common stock and $47.1 million in cash. Goodwill of $345.3 million associated with the acquisition was recorded by the Company. All operating systems were converted during the first quarter of 2017. During 2017, the Company finalized the fair value adjustments associated with the Standard transaction.

Premier Asset Management LLC

On February 28, 2017, the Company completed its acquisition of Premier Asset Management LLC ("Premier"), a registered investment advisor based in Chicago, Illinois. At the close of the acquisition, the Company acquired approximately $550.0 million of trust assets under management. During the first quarter of 2018, the Company finalized the fair value adjustments associated with the Premier transaction.

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4. SECURITIES

The significant accounting policies related to securities are presented in Note 1, "Summary of Significant Accounting Policies" to the Consolidated Financial Statements in the Company's 2017 10-K.

A summary of the Company's securities portfolio by category and maturity is presented in the following tables.

Securities Portfolio

(Dollar amounts in thousands)

	As of June 30, 2018									As of December 31, 2017
	Amortized Cost		Gross Unrealized					Fair  Value		Amortized Cost		Gross Unrealized					Fair  Value
			Gains		Losses							Gains		Losses
Securities Available-for-Sale
U.S. treasury securities	$	49,455	$	2	$	(299	)	$	49,158	$	46,529	$	—	$	(184	)	$	46,345
U.S. agency securities	150,443		7		(2,166		)	148,284		157,636		197		(986		)	156,847
Collateralized mortgage   obligations ("CMOs")	1,270,304		368		(38,242		)	1,232,430		1,113,019		121		(17,954		)	1,095,186
Other mortgage-backed   securities ("MBSs")	450,512		229		(13,105		)	437,636		373,676		201		(4,334		)	369,543
Municipal securities	222,034		152		(3,841		)	218,345		209,558		693		(1,260		)	208,991
Corporate debt securities	57,867		2		(857		)	57,012		—		—		—			—
Equity securities(1)	—		—		—			—		7,408		194		(305		)	7,297
Total securities   available-for-sale	$	2,200,615	$	760	$	(58,510	)	$	2,142,865	$	1,907,826	$	1,406	$	(25,023	)	$	1,884,209
Securities Held-to-Maturity
Municipal securities	$	13,042	$	—	$	(2,124	)	$	10,918	$	13,760	$	—	$	(1,747	)	$	12,013
Equity Securities(1)								$	28,441								$	—
Trading Securities(1)								$	—								$	20,447

⁽¹⁾  As a result of accounting guidance adopted in the first quarter of 2018, equity securities are no longer presented within trading securities or securities available-for-sale and are now presented within equity securities in the Consolidated Statements of Financial Condition for the current period. For further discussion of this guidance, see Note 2, "Recent Accounting Pronouncements."

Remaining Contractual Maturity of Securities

(Dollar amounts in thousands)

	As of June 30, 2018
	Available-for-Sale				Held-to-Maturity
	Amortized Cost		Fair Value		Amortized Cost		Fair Value
One year or less	$	120,038	$	118,287	$	1,626	$	1,361
After one year to five years	165,112		162,703		5,197		4,350
After five years to ten years	194,649		191,809		2,177		1,823
After ten years	—		—		4,042		3,384
Securities that do not have a single contractual maturity date	1,720,816		1,670,066		—		—
Total	$	2,200,615	$	2,142,865	$	13,042	$	10,918

The carrying value of securities available-for-sale that were pledged to secure deposits or for other purposes as permitted or required by law totaled $1.3 billion as of June 30, 2018 and $1.1 billion as of December 31, 2017. No securities held-to-maturity were pledged as of June 30, 2018 or December 31, 2017.

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Securities Available-for-Sale Gains

(Dollar amounts in thousands)

	Quarters Ended   June 30,				Six Months Ended   June 30,
	2018		2017		2018		2017
Gains on sales of securities:
Gross realized gains	$	—	$	284	$	—	$	284
Gross realized losses	—		—		—		—
Net realized gains on sales of securities	—		284		—		284
Non-cash impairment charges:
Other-than-temporary securities impairment ("OTTI")	—		—		—		—
Net realized gains	$	—	$	284	$	—	$	284

Accounting guidance requires that the credit portion of an OTTI charge be recognized through income. If a decline in fair value below carrying value is not attributable to credit deterioration and the Company does not intend to sell the security or believe it would not be more likely than not required to sell the security prior to recovery, the Company records the non-credit related portion of the decline in fair value in other comprehensive income.

There was no outstanding balance of OTTI previously recognized on securities available-for-sale as of either June 30, 2018 or December 31, 2017. During the quarters and six months ended June 30, 2018 and 2017no OTTI was recognized on securities available-for-sale.

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The following table presents the aggregate amount of unrealized losses and the aggregate related fair values of securities with unrealized losses as of June 30, 2018 and December 31, 2017.

Securities in an Unrealized Loss Position

(Dollar amounts in thousands)

		Less Than 12 Months				12 Months or Longer				Total
	Number of Securities	Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses
As of June 30, 2018
Securities Available-for-Sale
U.S. treasury securities	22	$	32,699	$	252	$	14,459	$	47	$	47,158	$	299
U.S. agency securities	78	79,845		1,138		62,820		1,028		142,665		2,166
CMOs	242	562,594		13,295		568,315		24,947		1,130,909		38,242
MBSs	107	183,907		3,910		225,627		9,195		409,534		13,105
Municipal securities	451	122,847		1,872		58,580		1,969		181,427		3,841
Corporate debt securities	8	40,285		857		—		—		40,285		857
Total	908	$	1,022,177	$	21,324	$	929,801	$	37,186	$	1,951,978	$	58,510
Securities Held-to-Maturity
Municipal securities	8	$	—	$	—	$	10,918	$	2,124	$	10,918	$	2,124
As of December 31, 2017
Securities Available-for-Sale
U.S. treasury securities	20	$	19,918	$	87	$	26,427	$	97	$	46,345	$	184
U.S. agency securities	72	66,899		300		58,021		686		124,920		986
CMOs	211	365,131		3,265		633,227		14,689		998,358		17,954
MBSs	86	126,136		902		210,017		3,432		336,153		4,334
Municipal securities	265	35,500		479		81,360		781		116,860		1,260
Equity securities(1)	2	391		214		6,386		91		6,777		305
Total	656	$	613,975	$	5,247	$	1,015,438	$	19,776	$	1,629,413	$	25,023
Securities Held-to-Maturity
Municipal securities	8	$	—	$	—	$	12,013	$	1,747	$	12,013	$	1,747

⁽¹⁾  As a result of accounting guidance adopted in the first quarter of 2018, equity securities are no longer presented within securities available-for-sale and are now presented within equity securities in the Consolidated Statements of Financial Condition for the current period. For further discussion of this guidance, see Note 2, "Recent Accounting Pronouncements."

Substantially all of the Company's CMOs and other MBSs are either backed by U.S. government-owned agencies or issued by U.S. government-sponsored enterprises. Municipal securities are issued by municipal authorities, and the majority are supported by third-party insurance or some other form of credit enhancement. Management does not believe any of these securities with unrealized losses as of June 30, 2018 represent OTTI related to credit deterioration. These unrealized losses are attributed to changes in interest rates and temporary market movements. The Company does not intend to sell these securities and it is not more likely than not that the Company will be required to sell them before recovery of their amortized cost basis, which may be at maturity.

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5. LOANS

Loans Held-for-Investment

The following table presents the Company's loans held-for-investment by class.

Loan Portfolio

(Dollar amounts in thousands)

	As of
	June 30, 2018		December 31, 2017
Commercial and industrial	$	3,844,067	$	3,529,914
Agricultural	433,175		430,886
Commercial real estate:
Office, retail, and industrial	1,834,918		1,979,820
Multi-family	703,091		675,463
Construction	633,601		539,820
Other commercial real estate	1,337,396		1,358,515
Total commercial real estate	4,509,006		4,553,618
Total corporate loans	8,786,248		8,514,418
Home equity	847,903		827,055
1-4 family mortgages	880,181		774,357
Installment	377,233		321,982
Total consumer loans	2,105,317		1,923,394
Total loans	$	10,891,565	$	10,437,812
Deferred loan fees included in total loans	$	5,444	$	4,986
Overdrawn demand deposits included in total loans	8,163		8,587

The Company primarily lends to community-based and mid-sized businesses, commercial real estate customers, and consumers in its markets. Within these areas, the Company diversifies its loan portfolio by loan type, industry, and borrower.

It is the Company's policy to review each prospective credit to determine the appropriateness and the adequacy of security or collateral prior to making a loan. In the event of borrower default, the Company seeks recovery in compliance with state lending laws, the Company's lending standards, and credit monitoring and remediation procedures. A discussion of risk characteristics relevant to each portfolio segment is presented in Note 5, "Loans" to the Consolidated Financial Statements in the Company's 2017 10-K.

19

Loan Sales

The following table presents loan sales for the quarters and six months ended June 30, 2018 and 2017.

Loan Sales

(Dollar amounts in thousands)

	Quarters Ended   June 30,				Six Months Ended   June 30,
	2018		2017		2018		2017
Corporate loan sales
Proceeds from sales	$	3,991	$	19,569	$	12,312	$	34,937
Less book value of loans sold	3,861		19,123		11,984		34,240
Net gains on corporate loan sales(1)	130		446		328		697
1-4 family mortgage loan sales
Proceeds from sales	$	65,715	$	60,894	$	130,900	$	116,655
Less book value of loans sold	64,336		59,461		128,094		114,059
Net gains on 1-4 family mortgage loan sales(2)	1,379		1,433		2,806		2,596
Total net gains on loan sales	$	1,509	$	1,879	$	3,134	$	3,293

⁽¹⁾  Net gains on corporate loan sales are included in other service charges, commissions, and fees in the Condensed Consolidated Statements of Income.

⁽²⁾  Net gains on 1-4 family mortgage loan sales are included in mortgage banking income in the Condensed Consolidated Statements of Income.

The Company retained servicing responsibilities for a portion of the 1-4 family mortgage loans sold and collects servicing fees equal to a percentage of the outstanding principal balance. For additional disclosure related to the Company's obligations resulting from the sale of certain 1-4 family mortgage loans, see Note 10, "Commitments, Guarantees, and Contingent Liabilities."

6. ACQUIRED AND COVERED LOANS

The significant accounting policies related to acquired and covered loans, which are classified as PCI and non-PCI, are presented in Note 1, "Summary of Significant Accounting Policies."

The following table presents the carrying amount of acquired and covered PCI and non-PCI loans as of June 30, 2018 and December 31, 2017.

Acquired and Covered Loans⁽¹⁾ 

(Dollar amounts in thousands)

	As of June 30, 2018						As of December 31, 2017
	PCI		Non-PCI		Total		PCI		Non-PCI		Total
Acquired loans	$	106,218	$	1,243,420	$	1,349,638	$	130,694	$	1,512,664	$	1,643,358
Covered loans	6,138		8,550		14,688		6,759		11,789		18,548
Total acquired and covered loans	$	112,356	$	1,251,970	$	1,364,326	$	137,453	$	1,524,453	$	1,661,906

⁽¹⁾  Included in loans in the Consolidated Statements of Condition.

The outstanding balance of PCI loans was $170.2 million and $210.7 million as of June 30, 2018 and December 31, 2017, respectively.

Acquired non-PCI loans that are renewed are no longer classified as acquired loans. These loans totaled $419.8 million and $366.0 million as of June 30, 2018 and December 31, 2017, respectively.

In connection with the FDIC Agreements, the Company recorded an indemnification asset. To maintain eligibility for the loss share reimbursement, the Company is required to follow certain servicing procedures as specified in the FDIC Agreements. The Company was in compliance with those requirements as of June 30, 2018 and December 31, 2017.

20

Rollforwards of the carrying value of the FDIC indemnification asset for the quarters and six months ended June 30, 2018 and 2017 are presented in the following table.

Changes in the FDIC Indemnification Asset

(Dollar amounts in thousands)

	Quarters Ended   June 30,						Six Months Ended   June 30,
	2018			2017			2018			2017
Beginning balance	$	3,012		$	4,220		$	3,314		$	4,522
Amortization	(302		)	(302		)	(604		)	(604		)
Change in expected reimbursements from the FDIC for   changes in expected credit losses	29			(202		)	175			(530		)
Net payments (from) to the FDIC	(29		)	202			(175		)	530
Ending balance	$	2,710		$	3,918		$	2,710		$	3,918

Changes in the accretable yield for acquired and covered PCI loans were as follows.

Changes in Accretable Yield

(Dollar amounts in thousands)

	Quarters Ended   June 30,						Six Months Ended   June 30,
	2018			2017			2018			2017
Beginning balances	$	36,543		$	41,249		$	32,957		$	19,385
Additions	—			—			—			27,316
Accretion	(2,922		)	(3,888		)	(6,540		)	(7,843		)
Other(1)	5,387			2,509			12,591			1,012
Ending balance	$	39,008		$	39,870		$	39,008		$	39,870

⁽¹⁾  Increases represent a rise in the expected future cash flows to be collected over the remaining estimated life of the underlying portfolio, while decreases result from the resolution of certain loans occurring earlier than anticipated.

Total accretion on acquired and covered PCI and non-PCI loans for the quarter and six months ended June 30, 2018 was $4.4 million and $9.6 million, respectively, and $8.8 million and $20.1 million, for the same periods in 2017.

21

7. PAST DUE LOANS, ALLOWANCE FOR CREDIT LOSSES, IMPAIRED LOANS, AND TDRS

Past Due and Non-accrual Loans

The following table presents an aging analysis of the Company's past due loans as of June 30, 2018 and December 31, 2017. The aging is determined without regard to accrual status. The table also presents non-performing loans, consisting of non-accrual loans (the majority of which are past due) and loans 90 days or more past due and still accruing interest, as of each balance sheet date.

Aging Analysis of Past Due Loans and Non-performing Loans by Class

(Dollar amounts in thousands)

	Aging Analysis (Accruing and Non-accrual)										Non-performing Loans
	Current(1)		30-89 Days Past Due		90 Days or More Past Due		Total Past Due		Total Loans		Non- accrual(2)		90 Days or More Past Due, Still Accruing Interest
As of June 30, 2018
Commercial and industrial	$	3,807,618	$	18,230	$	18,219	$	36,449	$	3,844,067	$	22,672	$	1,544
Agricultural	427,295		1,477		4,403		5,880		433,175		2,992		1,418
Commercial real estate:
Office, retail, and industrial	1,820,408		5,366		9,144		14,510		1,834,918		9,007		1,402
Multi-family	696,920		3,530		2,641		6,171		703,091		3,551		2,269
Construction	633,043		107		451		558		633,601		208		243
Other commercial real estate	1,326,694		6,640		4,062		10,702		1,337,396		5,288		591
Total commercial real estate	4,477,065		15,643		16,298		31,941		4,509,006		18,054		4,505
Total corporate loans	8,711,978		35,350		38,920		74,270		8,786,248		43,718		7,467
Home equity	842,257		4,048		1,598		5,646		847,903		5,399		—
1-4 family mortgages	876,045		1,986		2,150		4,136		880,181		4,358		41
Installment	374,011		2,776		446		3,222		377,233		—		446
Total consumer loans	2,092,313		8,810		4,194		13,004		2,105,317		9,757		487
Total loans	$	10,804,291	$	44,160	$	43,114	$	87,274	$	10,891,565	$	53,475	$	7,954
As of December 31, 2017
Commercial and industrial	$	3,490,783	$	34,620	$	4,511	$	39,131	$	3,529,914	$	40,580	$	1,830
Agricultural	430,221		280		385		665		430,886		219		177
Commercial real estate:
Office, retail, and industrial	1,970,564		3,156		6,100		9,256		1,979,820		11,560		345
Multi-family	672,098		3,117		248		3,365		675,463		377		20
Construction	539,043		198		579		777		539,820		209		371
Other commercial real estate	1,353,263		2,545		2,707		5,252		1,358,515		3,621		317
Total commercial real estate	4,534,968		9,016		9,634		18,650		4,553,618		15,767		1,053
Total corporate loans	8,455,972		43,916		14,530		58,446		8,514,418		56,566		3,060
Home equity	820,099		4,102		2,854		6,956		827,055		5,946		98
1-4 family mortgages	770,120		2,145		2,092		4,237		774,357		4,412		—
Installment	319,178		2,407		397		2,804		321,982		—		397
Total consumer loans	1,909,397		8,654		5,343		13,997		1,923,394		10,358		495
Total loans	$	10,365,369	$	52,570	$	19,873	$	72,443	$	10,437,812	$	66,924	$	3,555

⁽¹⁾  PCI loans with an accretable yield are considered current.

⁽²⁾  Includes PCI loans of $748,000 and $763,000 as of June 30, 2018 and December 31, 2017, respectively, which no longer have an accretable yield as estimates of expected future cash flows have decreased since the acquisition due to credit deterioration.

22

Allowance for Credit Losses

The Company maintains an allowance for credit losses at a level deemed adequate by management to absorb estimated losses inherent in the existing loan portfolio. See Note 1, "Summary of Significant Accounting Policies," for the accounting policy for the allowance for credit losses. A rollforward of the allowance for credit losses by portfolio segment for the quarters and six months ended June 30, 2018 and 2017 is presented in the table below.

Allowance for Credit Losses by Portfolio Segment

(Dollar amounts in thousands)

	Commercial, Industrial, and Agricultural			Office, Retail, and Industrial			Multi- family			Construction			Other Commercial Real Estate			Consumer			Reserve for Unfunded Commitments		Total Allowance for Credit Losses
Quarter ended June 30, 2018
Beginning balance	$	57,200		$	10,607		$	2,592		$	1,972		$	5,291		$	17,192		$	1,000	$	95,854
Charge-offs	(8,662		)	(305		)	(4		)	—			(1		)	(2,337		)	—		(11,309		)
Recoveries	753			26			—			8			359			386			—		1,532
Net charge-offs	(7,909		)	(279		)	(4		)	8			358			(1,951		)	—		(9,777		)
Provision for loan   losses and other	10,752			(1,266		)	(413		)	144			(1,018		)	3,415			—		11,614
Ending balance	$	60,043		$	9,062		$	2,175		$	2,124		$	4,631		$	18,656		$	1,000	$	97,691
Quarter ended June 30, 2017
Beginning balance	$	41,786		$	17,701		$	2,860		$	4,110		$	6,922		$	14,784		$	1,000	$	89,163
Charge-offs	(2,957		)	—			—			(39		)	(307		)	(1,556		)	—		(4,859		)
Recoveries	400			8			6			12			79			323			—		828
Net charge-offs	(2,557		)	8			6			(27		)	(228		)	(1,233		)	—		(4,031		)
Provision for loan   losses and other	7,042			(2,701		)	53			11			785			3,049			—		8,239
Ending balance	$	46,271		$	15,008		$	2,919		$	4,094		$	7,479		$	16,600		$	1,000	$	93,371
Six months ended June 30, 2018
Beginning balance	$	55,791		$	10,996		$	2,534		$	3,481		$	6,381		$	16,546		$	1,000	$	96,729
Charge-offs	(23,332		)	(766		)	(4		)	—			(70		)	(4,222		)	—		(28,394		)
Recoveries	1,291			123			—			21			398			728			—		2,561
Net charge-offs	(22,041		)	(643		)	(4		)	21			328			(3,494		)	—		(25,833		)
Provision for loan   losses and other	26,293			(1,291		)	(355		)	(1,378		)	(2,078		)	5,604			—		26,795
Ending balance	$	60,043		$	9,062		$	2,175		$	2,124		$	4,631		$	18,656		$	1,000	$	97,691
Six months ended June 30, 2017
Beginning balance	$	40,709		$	17,595		$	3,261		$	3,444		$	7,739		$	13,335		$	1,000	$	87,083
Charge-offs	(7,031		)	(127		)	—			(44		)	(715		)	(3,220		)	—		(11,137		)
Recoveries	2,066			983			34			239			180			766			—		4,268
Net charge-offs	(4,965		)	856			34			195			(535		)	(2,454		)	—		(6,869		)
Provision for loan   losses and other	10,527			(3,443		)	(376		)	455			275			5,719			—		13,157
Ending balance	$	46,271		$	15,008		$	2,919		$	4,094		$	7,479		$	16,600		$	1,000	$	93,371

23

The table below provides a breakdown of loans and the related allowance for credit losses by portfolio segment as of June 30, 2018 and December 31, 2017.

Loans and Related Allowance for Credit Losses by Portfolio Segment

(Dollar amounts in thousands)

	Loans								Allowance for Credit Losses
	Individually Evaluated for Impairment		Collectively Evaluated for Impairment		PCI		Total		Individually Evaluated for Impairment		Collectively Evaluated for Impairment		PCI		Total
As of June 30, 2018
Commercial, industrial, and   agricultural	$	23,598	$	4,248,880	$	4,764	$	4,277,242	$	2,884	$	56,725	$	434	$	60,043
Commercial real estate:
Office, retail, and industrial	7,642		1,815,329		11,947		1,834,918		792		6,624		1,646		9,062
Multi-family	3,941		686,136		13,014		703,091		—		1,998		177		2,175
Construction	—		628,649		4,952		633,601		—		1,968		156		2,124
Other commercial real estate	3,165		1,276,791		57,440		1,337,396		—		3,823		808		4,631
Total commercial real estate	14,748		4,406,905		87,353		4,509,006		792		14,413		2,787		17,992
Total corporate loans	38,346		8,655,785		92,117		8,786,248		3,676		71,138		3,221		78,035
Consumer	—		2,085,078		20,239		2,105,317		—		17,167		1,489		18,656
Reserve for unfunded   commitments	—		—		—		—		—		1,000		—		1,000
Total loans	$	38,346	$	10,740,863	$	112,356	$	10,891,565	$	3,676	$	89,305	$	4,710	$	97,691
As of December 31, 2017
Commercial, industrial, and   agricultural	$	38,718	$	3,909,380	$	12,702	$	3,960,800	$	10,074	$	45,293	$	424	$	55,791
Commercial real estate:
Office, retail, and industrial	10,810		1,954,435		14,575		1,979,820		—		9,333		1,663		10,996
Multi-family	621		660,771		14,071		675,463		—		2,436		98		2,534
Construction	—		530,977		8,843		539,820		—		3,331		150		3,481
Other commercial real estate	1,468		1,291,723		65,324		1,358,515		—		5,415		966		6,381
Total commercial real estate	12,899		4,437,906		102,813		4,553,618		—		20,515		2,877		23,392
Total corporate loans	51,617		8,347,286		115,515		8,514,418		10,074		65,808		3,301		79,183
Consumer	—		1,901,456		21,938		1,923,394		—		15,533		1,013		16,546
Reserve for unfunded   commitments	—		—		—		—		—		1,000		—		1,000
Total loans	$	51,617	$	10,248,742	$	137,453	$	10,437,812	$	10,074	$	82,341	$	4,314	$	96,729

24

Loans Individually Evaluated for Impairment

The following table presents loans individually evaluated for impairment by class of loan as of June 30, 2018 and December 31, 2017. PCI loans are excluded from this disclosure.

Impaired Loans Individually Evaluated by Class

(Dollar amounts in thousands)

	As of June 30, 2018								As of December 31, 2017
	Recorded Investment In								Recorded Investment In
	Loans with No Specific Reserve		Loans with a Specific Reserve		Unpaid Principal Balance		Specific Reserve		Loans with No Specific Reserve		Loans with a Specific Reserve		Unpaid Principal Balance		Specific Reserve
Commercial and industrial	$	5,777	$	14,919	$	40,033	$	2,683	$	4,234	$	34,484	$	53,192	$	10,074
Agricultural	—		2,902		4,672		201		—		—		—		—
Commercial real estate:
Office, retail, and industrial	3,303		4,339		8,125		792		7,154		3,656		14,246		—
Multi-family	3,941		—		3,941		—		621		—		621		—
Construction	—		—		—		—		—		—		—		—
Other commercial real estate	3,165		—		3,199		—		1,468		—		1,566		—
Total commercial real estate	10,409		4,339		15,265		792		9,243		3,656		16,433		—
Total impaired loans   individually evaluated for   impairment	$	16,186	$	22,160	$	59,970	$	3,676	$	13,477	$	38,140	$	69,625	$	10,074

25

The following table presents the average recorded investment and interest income recognized on impaired loans by class for the quarters and six months ended June 30, 2018 and 2017. PCI loans are excluded from this disclosure.

Average Recorded Investment and Interest Income Recognized on Impaired Loans by Class

(Dollar amounts in thousands)

	Quarters Ended June 30,
	2018				2017
	Average Recorded Investment		Interest Income Recognized(1)		Average Recorded Investment		Interest Income Recognized(1)
Commercial and industrial	$	31,787	$	14	$	33,648	$	342
Agricultural	3,386		25		697		—
Commercial real estate:
Office, retail, and industrial	9,509		656		13,612		169
Multi-family	2,166		48		396		—
Construction	—		—		—		—
Other commercial real estate	2,694		61		2,334		8
Total commercial real estate	14,369		765		16,342		177
Total impaired loans	$	49,542	$	804	$	50,687	$	519
	Six Months Ended June 30,
	2018				2017
	Average Recorded Investment		Interest Income Recognized(1)		Average Recorded Investment		Interest Income Recognized(1)
Commercial and industrial	$	34,097	$	36	$	30,647	$	556
Agricultural	2,257		25		464		—
Commercial real estate:
Office, retail, and industrial	9,942		768		14,503		262
Multi-family	1,651		55		397		28
Construction	—		—		11		136
Other commercial real estate	2,285		113		1,984		20
Total commercial real estate	13,878		936		16,895		446
Total impaired loans	$	50,232	$	997	$	48,006	$	1,002

⁽¹⁾  Recorded using the cash basis of accounting.

26

Credit Quality Indicators

Corporate loans and commitments are assessed for credit risk and assigned ratings based on various characteristics, such as the borrower's cash flow, leverage, and collateral. Ratings for commercial credits are reviewed periodically. The following tables present credit quality indicators by class for corporate and consumer loans, as of June 30, 2018 and December 31, 2017.

Corporate Credit Quality Indicators by Class

(Dollar amounts in thousands)

	Pass		Special  Mention(1)(4)		Substandard(2)(4)		Non-accrual(3)		Total
As of June 30, 2018
Commercial and industrial	$	3,648,626	$	122,881	$	49,888	$	22,672	$	3,844,067
Agricultural	415,043		8,474		6,666		2,992		433,175
Commercial real estate:
Office, retail, and industrial	1,770,908		23,602		31,401		9,007		1,834,918
Multi-family	687,065		10,460		2,015		3,551		703,091
Construction	607,142		18,915		7,336		208		633,601
Other commercial real estate	1,281,870		32,137		18,101		5,288		1,337,396
Total commercial real estate	4,346,985		85,114		58,853		18,054		4,509,006
Total corporate loans	$	8,410,654	$	216,469	$	115,407	$	43,718	$	8,786,248
As of December 31, 2017
Commercial and industrial	$	3,388,133	$	70,863	$	30,338	$	40,580	$	3,529,914
Agricultural	413,946		10,989		5,732		219		430,886
Commercial real estate:
Office, retail, and industrial	1,903,737		25,546		38,977		11,560		1,979,820
Multi-family	665,496		7,395		2,195		377		675,463
Construction	521,911		10,184		7,516		209		539,820
Other commercial real estate	1,304,337		29,624		20,933		3,621		1,358,515
Total commercial real estate	4,395,481		72,749		69,621		15,767		4,553,618
Total corporate loans	$	8,197,560	$	154,601	$	105,691	$	56,566	$	8,514,418

⁽¹⁾  Loans categorized as special mention exhibit potential weaknesses that require the close attention of management since these potential weaknesses may result in the deterioration of repayment prospects in the future.

⁽²⁾  Loans categorized as substandard exhibit well-defined weaknesses that may jeopardize the liquidation of the debt. These loans continue to accrue interest because they are well-secured and collection of principal and interest is expected within a reasonable time.

⁽³⁾  Loans categorized as non-accrual exhibit well-defined weaknesses that may jeopardize the liquidation of the debt or result in a loss if the deficiencies are not corrected.

⁽⁴⁾  Total special mention and substandard loans includes accruing TDRs of $645,000 as of June 30, 2018 and $657,000 as of December 31, 2017.

Consumer Credit Quality Indicators by Class

(Dollar amounts in thousands)

	Performing		Non-accrual		Total
As of June 30, 2018
Home equity	$	842,504	$	5,399	$	847,903
1-4 family mortgages	875,823		4,358		880,181
Installment	377,233		—		377,233
Total consumer loans	$	2,095,560	$	9,757	$	2,105,317
As of December 31, 2017
Home equity	$	821,109	$	5,946	$	827,055
1-4 family mortgages	769,945		4,412		774,357
Installment	321,982		—		321,982
Total consumer loans	$	1,913,036	$	10,358	$	1,923,394

27

TDRs

TDRs are generally performed at the request of the individual borrower and may include forgiveness of principal, reduction in interest rates, changes in payments, and maturity date extensions. The table below presents TDRs by class as of June 30, 2018 and December 31, 2017. See Note 1, "Summary of Significant Accounting Policies," for the accounting policy for TDRs.

TDRs by Class

(Dollar amounts in thousands)

	As of June 30, 2018						As of December 31, 2017
	Accruing		Non-accrual(1)		Total		Accruing		Non-accrual(1)		Total
Commercial and industrial	$	255	$	6,845	$	7,100	$	264	$	18,959	$	19,223
Agricultural	—		—		—		—		—		—
Commercial real estate:
Office, retail, and industrial	—		501		501		—		4,236		4,236
Multi-family	566		—		566		574		149		723
Construction	—		—		—		—		—		—
Other commercial real estate	187		—		187		192		—		192
Total commercial real estate	753		501		1,254		766		4,385		5,151
Total corporate loans	1,008		7,346		8,354		1,030		23,344		24,374
Home equity	84		470		554		86		738		824
1-4 family mortgages	668		422		1,090		680		451		1,131
Installment	—		—		—		—		—		—
Total consumer loans	752		892		1,644		766		1,189		1,955
Total loans	$	1,760	$	8,238	$	9,998	$	1,796	$	24,533	$	26,329

⁽¹⁾  These TDRs are included in non-accrual loans in the preceding tables.

TDRs are included in the calculation of the allowance for credit losses in the same manner as impaired loans. There were $625,000 and $2.0 million specific reserves related to TDRs as of June 30, 2018 and December 31, 2017, respectively.

Accruing TDRs that do not perform in accordance with their modified terms are transferred to non-accrual. There were no material TDRs that defaulted within twelve months of the restructure date during the quarters and six months ended June 30, 2018 and 2017.

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A rollforward of the carrying value of TDRs for the quarters and six months ended June 30, 2018 and 2017 is presented in the following table.

TDR Rollforward

(Dollar amounts in thousands)

	Quarters Ended   June 30,						Six Months Ended   June 30,
	2018			2017			2018			2017
Accruing
Beginning balance	$	1,778		$	2,112		$	1,796		$	2,291
Additions	—			—			—			922
Net payments	(18		)	(83		)	(36		)	(107		)
Net transfers from (to) non-accrual	—			—			—			(1,077		)
Ending balance	1,760			2,029			1,760			2,029
Non-accrual
Beginning balance	20,466			3,112			24,533			6,297
Additions	—			—			355			—
Net payments	(9,865		)	(75		)	(12,978		)	(4,225		)
Charge-offs	(2,363		)	(1		)	(3,672		)	(113		)
Net transfers from accruing	—			—			—			1,077
Ending balance	8,238			3,036			8,238			3,036
Total TDRs	$	9,998		$	5,065		$	9,998		$	5,065

For TDRs to be removed from TDR status in the calendar year after the restructuring, the loans must (i) have an interest rate and terms that reflect market conditions at the time of restructuring, and (ii) be in compliance with the modified terms. Loans that were not restructured at market rates and terms, that are not in compliance with the modified terms, or for which there is a concern about the future ability of the borrower to meet its obligations under the modified terms, continue to be separately reported as restructured until paid in full or charged-off.

There were no material commitments to lend additional funds to borrowers with TDRs as of June 30, 2018 or December 31, 2017.

29

8. EARNINGS PER COMMON SHARE

The table below displays the calculation of basic and diluted earnings per common share ("EPS").

Basic and Diluted EPS

(Amounts in thousands, except per share data)

	Quarters Ended   June 30,						Six Months Ended   June 30,
	2018			2017			2018			2017
Net income	$	29,600		$	34,950		$	63,110		$	57,805
Net income applicable to non-vested restricted shares	(240		)	(336		)	(551		)	(570		)
Net income applicable to common shares	$	29,360		$	34,614		$	62,559		$	57,235
Weighted-average common shares outstanding:
Weighted-average common shares outstanding (basic)	102,159			101,743			102,041			101,081
Dilutive effect of common stock equivalents	—			20			8			20
Weighted-average diluted common shares outstanding	102,159			101,763			102,049			101,101
Basic EPS	$	0.29		$	0.34		$	0.61		$	0.57
Diluted EPS	$	0.29		$	0.34		$	0.61		$	0.57
Anti-dilutive shares not included in the computation of diluted EPS(1)	—			195			54			269

⁽¹⁾  This amount represents outstanding stock options for which the exercise price is greater than the average market price of the Company's common stock. The final outstanding stock options were exercised during the first quarter of 2018.

9. DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES

In the ordinary course of business, the Company enters into derivative transactions as part of its overall interest rate risk management strategy. The significant accounting policies related to derivative instruments and hedging activities are presented in Note 1, "Summary of Significant Accounting Policies."

Fair Value Hedges

The Company hedges the fair value of fixed rate commercial real estate loans using interest rate swaps through which the Company pays fixed amounts and receives variable amounts. These derivative contracts are designated as fair value hedges.

Fair Value Hedges

(Dollar amounts in thousands)

	As of
	June 30, 2018			December 31, 2017
Gross notional amount outstanding	$	5,208		$	5,458
Derivative liability fair value in other liabilities	(33		)	(101		)
Weighted-average interest rate received	4.00		%	3.38		%
Weighted-average interest rate paid	5.96		%	5.96		%
Weighted-average maturity (in years)	0.35			0.84
Fair value of derivative(1)	$	40		$	110

⁽¹⁾  This amount represents the fair value if credit risk related contingent features were triggered.

Changes in the fair value of fair value hedges are recognized in other noninterest income in the Condensed Consolidated Statements of Income.

Cash Flow Hedges

As of June 30, 2018, the Company hedged $1.1 billion of certain corporate variable rate loans using interest rate swaps through which the Company receives fixed amounts and pays variable amounts. The Company also hedged $1.0 billion of borrowed funds using forward starting interest rate swaps through which the Company receives variable amounts and pays fixed amounts. These transactions allow the Company to add stability to net interest income and manage its exposure to interest rate movements.

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Forward starting interest rate swaps totaling $710.0 million began on various dates between June of 2015 and May of 2018, and mature between June of 2019 and May of 2020. The remaining forward starting interest rate swaps totaling $320.0 million begin at various dates between December of 2018 and February of 2021 and mature between December of 2021 and February of 2023. The weighted-average fixed interest rate to be paid on these interest rate swaps that have not yet begun was 2.49% as of June 30, 2018. These derivative contracts are designated as cash flow hedges.

Cash Flow Hedges

(Dollar amounts in thousands)

	As of
	June 30, 2018			December 31, 2017
Gross notional amount outstanding	$	2,170,000		$	1,960,000
Derivative asset fair value in other assets(1)	8,389			3,989
Derivative liability fair value in other liabilities(1)	(18,876		)	(10,219		)
Weighted-average interest rate received	2.01		%	1.58		%
Weighted-average interest rate paid	1.97		%	1.61		%
Weighted-average maturity (in years)	2.01			2.25

⁽¹⁾  Certain cash flow hedges are transacted through a clearinghouse ("centrally cleared") and their change in fair value is settled by the counterparties to the transaction, which results in no fair value.

Changes in the fair value of cash flow hedges are recorded in accumulated other comprehensive loss on an after-tax basis and are subsequently reclassified to interest income or expense in the period that the forecasted hedged item impacts earnings. As of June 30, 2018, the Company estimates that $2.0 million will be reclassified from accumulated other comprehensive loss as a decrease to interest income over the next twelve months.

Other Derivative Instruments

The Company also enters into derivative transactions through capital market products with its commercial customers and simultaneously enters into an offsetting interest rate derivative transaction with third-parties. This transaction allows the Company's customers to effectively convert a variable rate loan into a fixed rate loan. Due to the offsetting nature of these transactions, the Company does not apply hedge accounting treatment. The Company's credit exposure on these derivative transactions results primarily from counterparty credit risk. The credit valuation adjustment ("CVA") is a fair value adjustment to the derivative to account for this risk. As of June 30, 2018 and December 31, 2017, the Company's credit exposure was fully secured by the underlying collateral on customer loans and mitigated through netting arrangements with third-parties, therefore, no CVA was recorded. Capital market products income related to commercial customer derivative instruments totaled $2.8 million and $4.4 million for the quarter and six months ended June 30, 2018, respectively. There were $2.2 million and $3.6 million of capital market products income for the quarter and six months ended June 30, 2017, respectively.

Other Derivative Instruments

(Dollar amounts in thousands)

	As of
	June 30, 2018			December 31, 2017
Gross notional amount outstanding	$	3,060,888		$	2,665,358
Derivative asset fair value in other assets(1)	26,691			17,079
Derivative liability fair value in other liabilities(1)	(29,131		)	(14,930		)
Fair value of derivative(2)	29,141			15,059

⁽¹⁾  Certain other derivative instruments are centrally cleared and their change in fair value is settled by the counterparties to the transaction, which results in no fair value.

⁽²⁾  This amount represents the fair value if credit risk related contingent features were triggered.

The Company occasionally enters into risk participation agreements with counterparty banks to transfer or assume a portion of the credit risk related to customer transactions. The amounts of these instruments were not material for any periods presented. The Company had no other derivative instruments as of June 30, 2018 and December 31, 2017. The Company does not enter into derivative transactions for purely speculative purposes.

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The following table presents the impact of derivative instruments on comprehensive income and the reclassification of gains (losses) from accumulated other comprehensive loss to net interest income for the quarters and six months ended June 30, 2018 and 2017.

Cash Flow Hedge Accounting on AOCI

(Dollar amounts in thousands)

	Quarters Ended   June 30,						Six Months Ended   June 30,
	2018			2017			2018			2017
Gains (losses) recognized in other comprehensive income
Interest rate swaps in interest income	$	3,577		$	3,541		$	10,573		$	5,352
Interest rate swaps in interest expense	(2,860		)	(3,089		)	(10,043		)	(3,391		)
Reclassification of gains (losses) included in net income
Interest rate swaps in interest income	$	376		$	1,531		$	647		$	3,387
Interest rate swaps in interest expense	(503		)	(1,078		)	(1,109		)	(2,223		)

The following table presents the impact of derivative instruments on net interest income for the quarters and six months ended June 30, 2018 and 2017.

Hedge Income

(Dollar amounts in thousands)

	Quarters Ended   June 30,						Six Months Ended   June 30,
	2018			2017			2018			2017
Fair Value Hedges
Interest rate swaps in interest income	$	(18	)	$	(56	)	$	(59	)	$	(90	)
Cash Flow Hedges
Interest rate swaps in interest income	376			1,531			647			3,387
Interest rate swaps in interest expense	(503		)	(1,078		)	(1,109		)	(2,223		)
Total cash flow hedges	(127		)	453			(462		)	1,164
Total net (losses) gains on hedges	$	(145	)	$	397		$	(521	)	$	1,074

Credit Risk

Derivative instruments are inherently subject to credit risk, which represents the Company's risk of loss when the counterparty to a derivative contract fails to perform according to the terms of the agreement. Credit risk is managed by limiting and collateralizing the aggregate amount of net unrealized losses by transaction, monitoring the size and the maturity structure of the derivatives, and applying uniform credit standards. Company policy establishes limits on credit exposure to any single counterparty. In addition, the Company established bilateral collateral agreements with derivative counterparties that provide for exchanges of marketable securities or cash to collateralize either party's net losses above a stated minimum threshold. As of June 30, 2018 and December 31, 2017, these collateral agreements covered 100% of the fair value of the Company's outstanding fair value hedges. Derivative assets and liabilities are presented gross, rather than net, of pledged collateral amounts.

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Certain derivative instruments are subject to master netting agreements with counterparties. The Company records these transactions at their gross fair values and does not offset derivative assets and liabilities in the Consolidated Statements of Financial Condition. The following table presents the fair value of the Company's derivatives and offsetting positions as of June 30, 2018 and December 31, 2017.

Fair Value of Offsetting Derivatives

(Dollar amounts in thousands)

	As of June 30, 2018						As of December 31, 2017
	Assets			Liabilities			Assets			Liabilities
Gross amounts recognized	$	35,080		$	48,040		$	21,068		$	25,250
Less: amounts offset in the Consolidated Statements of   Financial Condition	—			—			—			—
Net amount presented in the Consolidated Statements of   Financial Condition(1)	35,080			48,040			21,068			25,250
Gross amounts not offset in the Consolidated Statements of   Financial Condition:
Offsetting derivative positions	(14,704		)	(14,704		)	(16,880		)	(16,880		)
Cash collateral pledged	(17,360		)	(4,480		)	—			(8,370		)
Net credit exposure	$	3,016		$	28,856		$	4,188		$	—

⁽¹⁾  Included in other assets or other liabilities in the Consolidated Statements of Financial Condition.

As of June 30, 2018 and December 31, 2017, the Company's derivative instruments generally contained provisions that require the Company's debt to remain above a certain credit rating by each of the major credit rating agencies or that the Company maintain certain capital levels. If the Company's debt were to fall below that credit rating or the Company's capital were to fall below the required levels, it would be in violation of those provisions, and the counterparties to the derivative instruments could terminate the swap transaction and demand cash settlement of the derivative instrument in an amount equal to the derivative liability fair value. As of June 30, 2018 and December 31, 2017 the Company was in compliance with these provisions.

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10. COMMITMENTS, GUARANTEES, AND CONTINGENT LIABILITIES

Credit Commitments and Guarantees

In the normal course of business, the Company enters into a variety of financial instruments with off-balance sheet risk to meet the financing needs of its customers and to conduct lending activities, including commitments to extend credit and standby and commercial letters of credit. These instruments involve elements of credit and interest rate risk in excess of the amount recognized in the Consolidated Statements of Financial Condition.

Contractual or Notional Amounts of Financial Instruments

(Dollar amounts in thousands)

	As of
	June 30, 2018		December 31, 2017
Commitments to extend credit:
Commercial, industrial, and agricultural	$	1,656,372	$	1,729,426
Commercial real estate	349,861		377,551
Home equity	546,600		514,973
Other commitments(1)	244,752		244,222
Total commitments to extend credit	$	2,797,585	$	2,866,172
Letters of credit	$	119,941	$	128,801

⁽¹⁾  Other commitments includes installment and overdraft protection program commitments.

Commitments to extend credit are agreements to lend funds to a customer, subject to contractual terms and covenants. Commitments generally have fixed expiration dates or other termination clauses, variable interest rates, and fee requirements, when applicable. Since many of the commitments are expected to expire without being drawn, the total commitment amounts do not necessarily represent future cash flow requirements.

In the event of a customer's non-performance, the Company's credit loss exposure is equal to the contractual amount of the commitments. The credit risk is essentially the same as extending loans to customers for the full contractual amount. The Company uses the same credit policies for credit commitments as its loans and minimizes exposure to credit loss through various collateral requirements.

Letters of credit are conditional commitments issued by the Company to guarantee the performance of a customer to a third-party. Letters of credit generally are contingent on the failure of the customer to perform according to the terms of the contract with the third-party and are often issued in favor of a municipality where construction is taking place to ensure the borrower adequately completes the construction. Commercial letters of credit are issued to facilitate transactions between a customer and a third-party based on agreed upon terms.

The maximum potential future payments guaranteed by the Company under letters of credit arrangements are equal to the contractual amount of the commitment. If a commitment is funded, the Company may seek recourse through the liquidation of the underlying collateral, including real estate, production plants and property, marketable securities, or receipt of cash.

As a result of the sale of certain 1-4 family mortgage loans, the Company is contractually obligated to repurchase early payment default loans or loans that do not meet underwriting requirements at recorded value. In accordance with the sales agreements, there is no limitation to the maximum potential future payments or expiration of the Company's recourse obligation. There were no material loan repurchases during the quarters and six months ended June 30, 2018 and 2017.

Legal Proceedings

In the ordinary course of business, there were certain legal proceedings pending against the Company and its subsidiaries at June 30, 2018. While the outcome of any legal proceeding is inherently uncertain, based on information currently available, the Company's management does not expect that any liabilities arising from pending legal matters will have a material adverse effect on the Company's business, financial position, results of operations, or cash flows.

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11. FAIR VALUE

Fair value represents the amount expected to be received to sell an asset or paid to transfer a liability in its principal or most advantageous market in an orderly transaction between market participants at the measurement date. In accordance with fair value accounting guidance, the Company measures, records, and reports various types of assets and liabilities at fair value on either a recurring or non-recurring basis in the Consolidated Statements of Financial Condition. Those assets and liabilities are presented below in the sections titled "Assets and Liabilities Required to be Measured at Fair Value on a Recurring Basis" and "Assets and Liabilities Required to be Measured at Fair Value on a Non-Recurring Basis."

Other assets and liabilities are not required to be measured at fair value in the Consolidated Statements of Financial Condition, but must be disclosed at fair value. See the "Fair Value Measurements of Other Financial Instruments" section of this note. Any aggregation of the estimated fair values presented in this note does not represent the value of the Company.

Depending on the nature of the asset or liability, the Company uses various valuation methodologies and assumptions to estimate fair value. GAAP provides a three-tiered fair value hierarchy based on the inputs used to measure fair value. The hierarchy is defined as follows:

• Level 1 – Quoted prices in active markets for identical assets or liabilities.

• Level 2 – Observable inputs other than level 1 prices, such as quoted prices for similar instruments, quoted prices in markets that are not active, or other inputs that are observable or can be corroborated by observable market data.

• Level 3 – Unobservable inputs that are supported by little or no market activity and that are significant to the fair value of the assets or liabilities. These inputs require significant management judgment or estimation, some of which use model-based techniques and may be internally developed.

Assets and liabilities are assigned to a level within the fair value hierarchy based on the lowest level of significant input used to measure fair value. Assets and liabilities may change levels within the fair value hierarchy due to market conditions or other circumstances. Those transfers are recognized on the date of the event that prompted the transfer. There were no transfers of assets or liabilities required to be measured at fair value on a recurring basis between levels of the fair value hierarchy during the periods presented.

35

Assets and Liabilities Required to be Measured at Fair Value on a Recurring Basis

The following table provides the fair value for assets and liabilities required to be measured at fair value on a recurring basis in the Consolidated Statements of Financial Condition by level in the fair value hierarchy.

Recurring Fair Value Measurements

(Dollar amounts in thousands)

	As of June 30, 2018						As of December 31, 2017
	Level 1		Level 2		Level 3		Level 1		Level 2		Level 3
Assets
Trading securities:
Money market funds	$	—	$	—	$	—	$	1,685	$	—	$	—
Mutual funds	—		—		—		18,762		—		—
Total trading securities(1)	—		—		—		20,447		—		—
Equity securities(1)	21,333		7,108		—		—		—		—
Securities available-for-sale(1)
U.S. treasury securities	49,158		—		—		46,345		—		—
U.S. agency securities	—		148,284		—		—		156,847		—
CMOs	—		1,232,430		—		—		1,095,186		—
MBSs	—		437,636		—		—		369,543		—
Municipal securities	—		218,345		—		—		208,991		—
Corporate debt securities	—		57,012		—		—		—		—
Equity securities	—		—		—		—		7,297		—
Total securities available-for-sale	49,158		2,093,707		—		46,345		1,837,864		—
Mortgage servicing rights ("MSRs")(2)	—		—		6,671		—		—		5,894
Derivative assets(2)	—		35,080		—		—		21,068		—
Liabilities
Derivative liabilities(3)	$	—	$	48,040	$	—	$	—	$	25,250	$	—

⁽¹⁾  As a result of recently adopted accounting guidance, equity securities are no longer presented within trading securities or securities available-for-sale for the prior period and are now presented within equity securities for the current period. For further discussion of this guidance, see Note 2 of "Notes to the Condensed Consolidated Financial Statements" in Item 1 of this Form 10-Q.

⁽²⁾  Included in other assets in the Consolidated Statements of Financial Condition.

⁽³⁾  Included in other liabilities in the Consolidated Statements of Financial Condition.

The following sections describe the specific valuation techniques and inputs used to measure financial assets and liabilities at fair value.

Equity Securities

The Company's equity securities consist primarily of community development investments and certain diversified investment securities held in a grantor trust for participants in the Company's nonqualified deferred compensation plan that are invested in money market and mutual funds. The fair value of community development investments is based on quoted prices in active markets or market prices for similar securities obtained from external pricing services or dealer market participants and is classified in level 2 of the fair value hierarchy. The fair value of the money market and mutual funds is based on quoted market prices in active exchange markets and is classified in level 1 of the fair value hierarchy.

Securities Available-for-Sale

The Company's securities available-for-sale are primarily fixed income instruments that are not quoted on an exchange, but may be traded in active markets. The fair values for these securities are based on quoted prices in active markets or market prices for similar securities obtained from external pricing services or dealer market participants and are classified in level 2 of the fair value hierarchy. The fair value of U.S. treasury securities is based on quoted market prices in active exchange markets and is classified in level 1 of the fair value hierarchy. Quarterly, the Company evaluates the methodologies used by its external pricing services to estimate the fair value of these securities to determine whether the valuations represent an exit price in the Company's principal markets.

36

MSRs

The Company services loans for others totaling $617.5 million and $607.0 million as of June 30, 2018 and December 31, 2017, respectively. These loans are owned by third-parties and are not included in the Consolidated Statements of Financial Condition. The Company determines the fair value of MSRs by estimating the present value of expected future cash flows associated with the mortgage loans being serviced and classifies them in level 3 of the fair value hierarchy. The following table presents the ranges of significant, unobservable inputs used by the Company to determine the fair value of MSRs as of June 30, 2018 and December 31, 2017.

Significant Unobservable Inputs Used in the Valuation of MSRs

	As of
	June 30, 2018				December 31, 2017
Prepayment speed	6.7	%	-	13.5%	4.2	%	-	13.1%
Maturity (months)	4		-	106	6		-	92
Discount rate	9.5	%	-	12.0%	9.5	%	-	12.0%

The impact of changes in these key inputs could result in a significantly higher or lower fair value measurement for MSRs. Significant increases in expected prepayment speeds and discount rates have negative impacts on the valuation. Higher maturity assumptions have a favorable effect on the estimated fair value.

A rollforward of the carrying value of MSRs for the quarters and six months ended June 30, 2018 and 2017 is presented in the following table.

Carrying Value of MSRs

(Dollar amounts in thousands)

	Quarters Ended   June 30,						Six Months Ended   June 30,
	2018			2017			2018			2017
Beginning balance	$	6,468		$	6,245		$	5,894		$	6,120
New MSRs	393			205			569			361
Total gains (losses) included in earnings(1):
Changes in valuation inputs and assumptions	2			(260		)	562			(88		)
Other changes in fair value(2)	(192		)	(265		)	(354		)	(468		)
Ending balance	$	6,671		$	5,925		$	6,671		$	5,925
Contractual servicing fees earned(1)	$	369		$	384		$	747		$	779

⁽¹⁾  Included in mortgage banking income in the Condensed Consolidated Statements of Income and related to assets held as of June 30, 2018 and 2017.

⁽²⁾  Primarily represents changes in expected future cash flows due to payoffs and paydowns.

Derivative Assets and Derivative Liabilities

The Company enters into interest rate swaps and derivative transactions with commercial customers. These derivative transactions are executed in the dealer market, and pricing is based on market quotes obtained from the counterparties. The market quotes were developed using market observable inputs, which primarily include LIBOR. Therefore, derivatives are classified in level 2 of the fair value hierarchy. For its derivative assets and liabilities, the Company also considers non-performance risk, including the likelihood of default by itself and its counterparties, when evaluating whether the market quotes from the counterparty are representative of an exit price.

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Assets and Liabilities Required to be Measured at Fair Value on a Non-Recurring Basis

The following table provides the fair value for each class of assets and liabilities required to be measured at fair value on a non-recurring basis in the Consolidated Statements of Financial Condition by level in the fair value hierarchy.

Non-Recurring Fair Value Measurements

(Dollar amounts in thousands)

	As of June 30, 2018						As of December 31, 2017
	Level 1		Level 2		Level 3		Level 1		Level 2		Level 3
Collateral-dependent impaired loans(1)	$	—	$	—	$	19,810	$	—	$	—	$	33,240
OREO(2)	—		—		5,177		—		—		12,340
Loans held-for-sale(3)	—		—		6,030		—		—		21,098
Assets held-for-sale(4)	—		—		3,899		—		—		2,208

⁽¹⁾  Includes impaired loans with charge-offs and impaired loans with a specific reserve during the periods presented.

⁽²⁾  Includes OREO with fair value adjustments subsequent to initial transfer that occurred during the periods presented.

⁽³⁾  Included in other assets in the Consolidated Statements of Financial Condition.

⁽⁴⁾  Included in premises, furniture, and equipment in the Consolidated Statements of Financial Condition.

Collateral-Dependent Impaired Loans

Certain collateral-dependent impaired loans are subject to fair value adjustments to reflect the difference between the carrying value of the loan and the value of the underlying collateral. The fair values of collateral-dependent impaired loans are primarily determined by current appraised values of the underlying collateral. Based on the age and/or type, appraisals may be adjusted in the range of 0% to 15%. In certain cases, an internal valuation may be used when the underlying collateral is located in areas where comparable sales data is limited or unavailable. Accordingly, collateral-dependent impaired loans are classified in level 3 of the fair value hierarchy.

Collateral-dependent impaired loans for which the fair value is greater than the recorded investment are not measured at fair value in the Consolidated Statements of Financial Condition and are not included in this disclosure.

OREO

The fair value of OREO is measured using the current appraised value of the properties. In certain circumstances, a current appraisal may not be available or may not represent an accurate measurement of the property's fair value due to outdated market information or other factors. In these cases, the fair value is determined based on the lower of the (i) most recent appraised value, (ii) broker price opinion, (iii) current listing price, or (iv) signed sales contract. Given these valuation methods, OREO is classified in level 3 of the fair value hierarchy.

Loans Held-for-Sale

As of June 30, 2018 and December 31, 2017, loans held-for-sale consists of 1-4 family mortgage loans, which were originated with the intent to sell. These loans were recorded in the held-for-sale category at the contract price and, accordingly, are classified in level 3 of the fair value hierarchy.

Assets Held-for-Sale

Assets held-for-sale as of June 30, 2018 and December 31, 2017 consists of former branches that are no longer in operation and parcels of land previously purchased for expansion. These properties are being actively marketed and were transferred into the held-for-sale category at their fair value as determined by current appraisals. Based on these valuation methods, they are classified in level 3 of the fair value hierarchy.

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Financial Instruments Not Required to be Measured at Fair Value

For certain financial instruments that are not required to be measured at fair value in the Consolidated Statements of Financial Condition, the Company must disclose the estimated fair values and the level within the fair value hierarchy as shown in the following table.

Fair Value Measurements of Other Financial Instruments

(Dollar amounts in thousands)

		As of
		June 30, 2018				December 31, 2017
	Fair Value Hierarchy Level	Carrying Amount		Fair Value		Carrying Amount		Fair Value
Assets
Cash and due from banks	1	$	181,482	$	181,482	$	192,800	$	192,800
Interest-bearing deposits in other banks	2	192,785		192,785		153,770		153,770
Securities held-to-maturity	2	13,042		10,918		13,760		12,013
FHLB and FRB stock	2	82,778		82,778		69,708		69,708
Loans	3	10,797,584		10,451,952		10,345,397		10,059,992
Investment in BOLI	3	282,664		282,664		279,900		279,900
Accrued interest receivable	3	48,542		48,542		45,261		45,261
Other interest-earning assets	3	78		78		228		228
Liabilities
Deposits	2	$	11,492,263	$	11,470,263	$	11,053,325	$	11,038,819
Borrowed funds	2	981,044		981,044		714,884		714,884
Senior and subordinated debt	2	195,453		208,425		195,170		208,666
Accrued interest payable	2	7,115		7,115		4,704		4,704

Management uses various methodologies and assumptions to determine the estimated fair values of the financial instruments in the table above. The fair value estimates are made at a discrete point in time based on relevant market information and consider management's judgments regarding future expected economic conditions, loss experience, and specific risk characteristics of the financial instruments. Loans include the FDIC indemnification asset and net loans, which consists of loans held-for-investment, acquired loans, and the allowance for loan losses. As of both June 30, 2018 and December 31, 2017, the Company estimated the fair value of lending commitments outstanding to be immaterial.

39

ITEM 2. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL

CONDITION AND RESULTS OF OPERATIONS

INTRODUCTION

First Midwest Bancorp, Inc. is a bank holding company headquartered in Chicago, Illinois, with operations throughout the Chicago metropolitan area, northwest Indiana, central and western Illinois, and eastern Iowa. Our principal subsidiary, First Midwest Bank, and other affiliates provide a broad range of commercial, retail, treasury management, equipment leasing, wealth management, trust, and private banking products and services to commercial and industrial, commercial real estate, municipal, and consumer customers. We are committed to meeting the financial needs of the people and businesses in the communities where we live and work by providing customized banking solutions, quality products, and innovative services that fulfill those financial needs.

The following discussion and analysis is intended to address the significant factors affecting our Condensed Consolidated Statements of Income for the quarters and six months ended June 30, 2018 and 2017 and Consolidated Statements of Financial Condition as of June 30, 2018 and December 31, 2017. When we use the terms "First Midwest," the "Company," "we," "us," and "our," we mean First Midwest Bancorp, Inc. and its consolidated subsidiaries. When we use the term "Bank," we are referring to our wholly-owned banking subsidiary, First Midwest Bank. Management's discussion and analysis should be read in conjunction with the consolidated financial statements, accompanying notes thereto, and other information presented in Item 1 of this Quarterly Report on Form 10-Q ("Form 10-Q"), as well as in our 2017 Annual Report on Form 10-K ("2017 10-K"). The results of operations for the quarter and six months ended June 30, 2018 are not necessarily indicative of future results.

Our results of operations are affected by various factors, many of which are beyond our control, including interest rates, local and national economic conditions, business spending, consumer confidence, legislative and regulatory changes, certain seasonal factors, and changes in real estate and securities markets. Our management evaluates performance using a variety of qualitative and quantitative metrics. The primary quantitative metrics used by management include:

• Net Interest Income – Net interest income, our primary source of revenue, equals the difference between interest income and fees earned on interest-earning assets and interest expense incurred on interest-bearing liabilities.

• Net Interest Margin – Net interest margin equals tax-equivalent net interest income divided by total average interest-earning assets.

• Noninterest Income – Noninterest income is the income we earn from fee-based revenues, investment in bank-owned life insurance ("BOLI"), other income, and non-operating revenues.

• Noninterest Expense – Noninterest expense is the expense we incur to operate the Company, which includes salaries and employee benefits, net occupancy and equipment, professional services, and other costs.

• Asset Quality – Asset quality represents an estimation of the quality of our loan portfolio, including an assessment of the credit risk related to existing and potential loss exposure, and can be evaluated using a number of quantitative measures, such as non-performing loans to total loans.

• Regulatory Capital – Our regulatory capital is classified in one of the following tiers: (i) Common Equity Tier 1 capital ("CET1"), which consists of common equity and retained earnings, less goodwill and other intangible assets and a portion of disallowed deferred tax assets, (ii) Tier 1 capital, which consists of CET1 and qualifying trust-preferred securities and the remaining portion of disallowed deferred tax assets, and (iii) Tier 2 capital, which includes qualifying subordinated debt and the allowance for credit losses, subject to limitations.

Some of these metrics may be presented on a non-U.S. generally accepted accounting principles ("non-GAAP") basis. For detail on our non-GAAP metrics, see the discussion in the section titled "Non-GAAP Financial Information and Reconciliations." Unless otherwise stated, all earnings per common share data included in this section and throughout the remainder of this discussion are presented on a fully diluted basis.

CAUTIONARY STATEMENT REGARDING FORWARD-LOOKING STATEMENTS

This Form 10-Q, as well as any oral statements made by or on behalf of First Midwest in connection herewith, may contain certain "forward-looking statements" within the meaning of the Private Securities Litigation Reform Act of 1995. In some cases, forward-looking statements can be identified by the use of words such as "may," "might," "will," "would," "should," "could," "expect," "plan," "intend," "anticipate," "believe," "estimate," "outlook," "predict," "project," "probable," "potential," "possible," "target," "continue," "look forward," or "assume" and words of similar import. Forward-looking statements are not historical facts or guarantees of future performance but instead express only management's beliefs regarding future results or events, many of which, by their nature, are inherently uncertain and outside of management's control. It is possible that actual results and events may differ, possibly materially, from the anticipated results or events indicated in these forward-looking statements. First Midwest cautions you not to place undue reliance on these statements. Forward-looking statements are made only as of the date of this report, and we undertake no obligation to update any forward-looking statements contained in this report to reflect new information or events or conditions after the date hereof.

40

Forward-looking statements may be deemed to include, among other things, statements relating to our future financial performance, including the related outlook for 2018, the performance of our loan or securities portfolio, the expected amount of future credit reserves or charge-offs, corporate strategies or objectives, including the impact of strategic actions and initiatives, First Midwest's "Delivering Excellence" initiative, including actions, goals, and expectations, as well as costs and benefits therewith and the timing thereof, anticipated trends in our business, regulatory developments, the impact of the new federal income tax law, acquisition transactions, including estimated synergies, cost savings and financial benefits of pending or consummated transactions, including First Midwest's proposed acquisition of Northern States Financial Corporation ("Northern States"), and growth strategies, including possible future acquisitions. These statements are subject to certain risks, uncertainties and assumptions. For a discussion of these risks, uncertainties, and assumptions, you should refer to the sections entitled "Risk Factors" and "Management's Discussion and Analysis of Financial Condition and Results of Operations" in this report and in our 2017 10-K, as well as our subsequent filings made with the Securities and Exchange Commission ("SEC"). However, these risks and uncertainties are not exhaustive. Other sections of this report describe additional factors that could adversely impact our business and financial performance.

CRITICAL ACCOUNTING ESTIMATES

Our consolidated financial statements are prepared in accordance with U.S. generally accepted accounting principles ("GAAP") and are consistent with general practices within the banking industry. Application of GAAP requires management to make estimates, assumptions, and judgments based on information available as of the date of the financial statements that affect the amounts reported in the financial statements and accompanying notes. Critical accounting estimates are those estimates that management believes are the most important to our financial position and results of operations. Future changes in information may impact these estimates, assumptions, and judgments, which may have a material effect on the amounts reported in the financial statements.

For additional information regarding critical accounting estimates, see the "Summary of Significant Accounting Policies," presented in Note 1 to the Consolidated Financial Statements and the section titled "Critical Accounting Estimates" in Management's Discussion and Analysis of Financial Condition and Results of Operations included in the Company's 2017 10-K. There have been no material changes in the Company's application of critical accounting estimates related to the allowance for credit losses, valuation of securities, income taxes, and goodwill and other intangible assets since December 31, 2017.

SIGNIFICANT RECENT EVENTS

Delivering Excellence Initiative

During the second quarter of 2018, the Company initiated certain actions in connection with its previously announced Delivering Excellence initiative. This initiative further demonstrates the Company's ongoing commitment to providing service excellence to its clients, as well as maximizing both the efficiency and scalability of its operating platform. Components of Delivering Excellence include improved delivery of services to clients through streamlined processes, the consolidation or closing of 19 locations, organizational realignments, and several revenue growth opportunities.

The Company expects to incur total pre-tax implementation costs associated with Delivering Excellence of $25 million, the majority of which will be recognized in 2018. The Company began implementing this initiative in the second quarter of 2018, which resulted in pre-tax implementation costs of $15 million associated with property valuation adjustments on locations identified for closure, employee severance, and general restructuring and advisory services.

Pending Acquisition

Northern States Financial Corporation

On June 6, 2018, the Company entered into a definitive agreement to acquire Northern States, the holding company for NorStates Bank, based in Waukegan, Illinois. As of June 30, 2018, Northern States had approximately $530 million in total assets, $450 million in deposits, and $310 million in loans. The merger agreement provides for an exchange ratio of 0.0369 shares of Company common stock for each share of Northern States common stock, subject to adjustment as set forth in the merger agreement. As of the date of the public announcement, the overall transaction was valued at approximately $91 million. The acquisition is expected to close in the fourth quarter of 2018, subject to customary regulatory approvals and closing conditions, as well as the approval of Northern States' stockholders.

41

PERFORMANCE OVERVIEW

Table 1

Selected Financial Data

(Amounts in thousands, except per share data)

	Quarters Ended   June 30,						Six Months Ended   June 30,
	2018			2017			2018			2017
Operating Results
Interest income	$	142,088		$	126,516		$	273,433		$	250,215
Interest expense	14,685			8,933			27,467			17,435
Net interest income	127,403			117,583			245,966			232,780
Provision for loan losses	11,614			8,239			26,795			13,157
Noninterest income	36,947			44,945			72,464			84,896
Noninterest expense	113,416			99,751			208,998			216,393
Income before income tax expense	39,320			54,538			82,637			88,126
Income tax expense	9,720			19,588			19,527			30,321
Net income	$	29,600		$	34,950		$	63,110		$	57,805
Weighted-average diluted common shares outstanding	102,159			101,763			102,049			101,101
Diluted earnings per common share	$	0.29		$	0.34		$	0.61		$	0.57
Diluted earnings per common share, adjusted(1)	$	0.40		$	0.35		$	0.72		$	0.68
Performance Ratios
Return on average common equity(2)	6.23		%	7.58		%	6.70		%	6.42		%
Return on average common equity, adjusted(1)(2)	8.62		%	7.74		%	7.91		%	7.75		%
Return on average tangible common equity(2)	10.83		%	13.37		%	11.65		%	11.52		%
Return on average tangible common equity, adjusted(1)(2)	14.81		%	13.64		%	13.67		%	13.81		%
Return on average assets(2)(3)	0.81		%	1.00		%	0.88		%	0.84		%
Return on average assets, adjusted(1)(2)	1.12		%	1.02		%	1.04		%	1.02		%
Tax-equivalent net interest margin(1)(2)(3)	3.91		%	3.88		%	3.85		%	3.88		%
Efficiency ratio(1)	59.65		%	59.01		%	60.28		%	60.13		%
Efficiency ratio (prior presentation)(1)(4)	N/A			58.67		%	N/A			59.80		%

⁽¹⁾  This item is a non-GAAP financial measure. For a discussion of non-GAAP financial measures, see the section of this Item 2 titled "Non-GAAP Financial Information and Reconciliations."

⁽²⁾  These ratios are presented on an annualized basis.

⁽³⁾  See the section of this Item 2 titled "Earnings Performance" below for additional discussion and calculation of this financial measure.

⁽⁴⁾  Presented as calculated prior to March 31, 2018, which included a tax-equivalent adjustment for BOLI. Management believes that removing this adjustment from the current calculation of this metric enhances comparability for peer comparison purposes.

42

	As of									June 30, 2018   Change From
	June 30, 2018			December 31, 2017			June 30, 2017			December 31, 2017			June 30, 2017
Balance Sheet Highlights
Total assets	$	14,818,076		$	14,077,052		$	13,969,140		$	741,024		$	848,936
Total loans	10,891,565			10,437,812			10,232,159			453,753			659,406
Total deposits	11,492,263			11,053,325			10,999,720			438,938			492,543
Core deposits	9,567,902			9,406,542			9,461,176			161,360			106,726
Loans to deposits	94.8		%	94.4		%	93.0		%
Core deposits to total deposits	83.3		%	85.1		%	86.0		%
Asset Quality Highlights
Non-accrual loans	$	53,475		$	66,924		$	79,196		$	(13,449	)	$	(25,721	)
90 days or more past due loans, still   accruing interest(1)	7,954			3,555			2,059			4,399			5,895
Total non-performing loans	61,429			70,479			81,255			(9,050		)	(19,826		)
Accruing troubled debt restructurings ("TDRs")	1,760			1,796			2,029			(36		)	(269		)
Other real estate owned ("OREO")	12,892			20,851			26,493			(7,959		)	(13,601		)
Total non-performing assets	$	76,081		$	93,126		$	109,777		$	(17,045	)	$	(33,696	)
30-89 days past due loans(1)	$	39,171		$	39,725		$	19,081		$	(554	)	$	20,090
Non-performing assets to total loans plus OREO	0.70		%	0.89		%	1.07		%
Allowance for Credit Losses
Allowance for credit losses	$	97,691		$	96,729		$	93,371		$	962		$	4,320
Allowance for credit losses to total loans(2)	0.90		%	0.93		%	0.91		%
Allowance for credit losses to total loans, excluding acquired loans(3)	1.00		%	1.07		%	1.10		%
Allowance for credit losses to non-accrual loans(2)	182.69		%	144.54		%	117.90		%

⁽¹⁾  Purchased credit impaired ("PCI") loans with an accretable yield are considered current and are not included in past due loan totals.

⁽²⁾  This ratio includes acquired loans that are recorded at fair value through an acquisition adjustment, which incorporates credit risk as of the acquisition date with no allowance for credit losses being established at that time. As the acquisition adjustment is accreted into income over future periods, an allowance for credit losses is established as necessary to reflect credit deterioration. A discussion of the allowance for acquired loan losses and the related acquisition adjustment is presented in the section titled "Loan Portfolio and Credit Quality."

⁽³⁾  This item is a non-GAAP financial measure. For a discussion of non-GAAP financial measures, see the section of this Item 2 titled "Non-GAAP Financial Information and Reconciliations."

Net income for the second quarter and first six months of 2018 was $29.6 million, or $0.29 per share, and $63.1 million, or $0.61 per share, respectively. Performance for the second quarter and first six months of 2018 was impacted by $15.0 million of pre-tax costs related to the implementation of the Delivering Excellence initiative. Performance for the second quarter and first six months of 2017 was impacted by acquisition and integration related pre-tax expenses of $1.2 million and $19.7 million, respectively. Excluding these expenses, net income for the second quarter and first six months of 2018 increased to $40.9 million, or $0.40 per share, and $74.4 million, or $0.72 per share, respectively, compared to $35.7 million, or $0.35 per share, and $69.6 million, or $0.68 per share, for the same periods in 2017. The increase in net income, adjusted, and earnings per share, adjusted, compared to the second quarter and first six months of 2017 reflects higher net interest income, controlled noninterest expense, consistent noninterest income, and a lower effective income tax rate, partially offset by higher provision for loan losses. A discussion of net interest income, noninterest income, noninterest expense, and income tax expense is presented in the following section titled "Earnings Performance."

Total loans of $10.9 billion grew by $453.8 million, or 8.7% annualized, from December 31, 2017.

Non-performing assets to total loans plus OREO was 0.70% at June 30, 2018, down from 0.89% and 1.07% at December 31, 2017 and June 30, 2017, respectively. See the following "Loan Portfolio and Credit Quality" section for further discussion of our loan portfolio, non-accrual loans, 90 days or more past due loans, TDRs, and OREO.

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EARNINGS PERFORMANCE

Net Interest Income

Net interest income is our primary source of revenue and is impacted by interest rates and the volume and mix of interest-earning assets and interest-bearing liabilities. The accounting policies for the recognition of interest income on loans, securities, and other interest-earning assets are presented in Note 1 to the Consolidated Financial Statements included in our 2017 10-K.

Our accounting and reporting policies conform to GAAP and general practices within the banking industry. For purposes of this discussion, both net interest income and net interest margin have been adjusted to a fully tax-equivalent basis to more appropriately compare the returns on certain tax-exempt loans and securities to those on taxable interest-earning assets. The effect of this adjustment is shown at the bottom of Tables 2 and 3. Although we believe that these non-GAAP financial measures enhance investors' understanding of our business and performance, they should not be considered an alternative to GAAP. For a discussion of non-GAAP financial measures, see the section of this Item 2 titled "Non-GAAP Financial Information and Reconciliations."

Table 2 summarizes our average interest-earning assets and interest-bearing liabilities for the quarters ended June 30, 2018and 2017, the related interest income and interest expense for each earning asset category and funding source, and the average interest rates earned and paid. Table 2 also details differences in interest income and expense from the prior quarter and the extent to which any changes are attributable to volume and rate fluctuations. Table 3 presents this same information for the six months ended June 30, 2018 and 2017.

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Table 2

Net Interest Income and Margin Analysis

(Dollar amounts in thousands)

	Quarters Ended June 30,														Attribution of Change in Net Interest Income
	2018							2017
	Average Balance			Interest			Yield/ Rate (%)	Average Balance			Interest			Yield/ Rate (%)	Volume			Yield/ Rate			Total
Assets
Other interest-earning assets	$	147,996		$	519		1.41	$	262,206		$	686		1.05	$	(764	)	$	597		$	(167	)
Securities(1)	2,165,091			13,322			2.46	1,983,341			11,482			2.32	957			883			1,840
Federal Home Loan Bank   ("FHLB") and Federal Reserve   Bank ("FRB") stock	80,038			864			4.32	57,073			441			3.09	213			210			423
Loans(1)(2)	10,788,285			128,422			4.77	10,064,119			115,949			4.62	8,532			3,941			12,473
Total interest-earning assets(1)(2)	13,181,410			143,127			4.35	12,366,739			128,558			4.17	8,938			5,631			14,569
Cash and due from banks	197,025							188,886
Allowance for loan losses	(99,469		)					(92,152		)
Other assets	1,326,749							1,497,370
Total assets	$	14,605,715						$	13,960,843
Liabilities and Stockholders' Equity
Savings deposits	$	2,060,066		373			0.07	$	2,072,343		394			0.08	(2		)	(19		)	(21		)
NOW accounts	2,065,530			1,472			0.29	2,010,152			663			0.13	18			791			809
Money market deposits	1,759,313			1,073			0.24	1,942,672			648			0.13	(54		)	479			425
Time deposits	1,871,666			5,114			1.10	1,538,845			2,024			0.53	517			2,573			3,090
Borrowed funds	913,902			3,513			1.54	553,046			2,099			1.52	1,387			27			1,414
Senior and subordinated debt	195,385			3,140			6.45	194,819			3,105			6.39	21			14			35
Total interest-bearing   liabilities	8,865,862			14,685			0.66	8,311,877			8,933			0.43	1,887			3,865			5,752
Demand deposits	3,621,645							3,538,049
Total funding sources	12,487,507						0.47	11,849,926						0.30
Other liabilities	227,481							280,381
Stockholders' equity – common	1,890,727							1,830,536
Total liabilities and   stockholders' equity	$	14,605,715						$	13,960,843
Tax-equivalent net interest   income/margin(1)				128,442			3.91				119,625			3.88	$	7,051		$	1,766		$	8,817
Tax-equivalent adjustment				(1,039		)					(2,042		)
Net interest income (GAAP)				$	127,403						$	117,583
Impact of acquired loan   accretion(1)				$	4,445		0.14				$	8,757		0.28
Tax-equivalent net interest income/   margin, adjusted(1)				$	123,997		3.77				$	110,868		3.60

⁽¹⁾  Interest income and yields on tax-exempt securities and loans are presented on a tax-equivalent basis, assuming the applicable federal income tax rate for each period presented. As a result, interest income and yields on tax-exempt securities and loans subsequent to December 31, 2017 are presented at the current federal income tax rate of 21% and the prior period is presented using the federal income tax rate applicable at that time of 35%. The corresponding income tax impact related to tax-exempt items is recorded in income tax expense. These adjustments have no impact on net income. For a discussion of non-GAAP financial measures, see the section of this Item 2 titled "Non-GAAP Financial Information and Reconciliations."

⁽²⁾  Non-accrual loans, which totaled $53.5 million as of June 30, 2018 and $79.2 million as of June 30, 2017, are included in loans for purposes of this analysis. Additional detail regarding non-accrual loans is presented in the following section of this Item 2 titled "Non-performing Assets and Corporate Performing Potential Problem Loans."

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Table 3

Net Interest Income and Margin Analysis

(Dollar amounts in thousands)

	Six Months Ended June 30,														Attribution of Change in Net Interest Income
	2018							2017
	Average Balance			Interest			Yield/ Rate (%)	Average Balance			Interest			Yield/ Rate (%)	Volume			Yield/ Rate			Total
Assets
Other interest-earning assets	$	130,166		$	942		1.46	$	239,189		$	1,128		0.95	$	(789	)	$	603		$	(186	)
Securities(1)	2,114,439			25,464			2.41	2,002,144			23,016			2.30	1,128			1,320			2,448
FHLB and FRB stock	78,469			1,302			3.32	55,654			809			2.91	367			126			493
Loans(1)(2)	10,644,581			247,739			4.69	9,992,713			229,358			4.63	15,134			3,247			18,381
Total interest-earning assets(1)(2)	12,967,655			275,447			4.28	12,289,700			254,311			4.17	15,840			5,296			21,136
Cash and due from banks	189,452							182,952
Allowance for loan losses	(99,352		)					(90,617		)
Other assets	1,339,785							1,435,744
Total assets	$	14,397,540						$	13,817,779
Liabilities and Stockholders' Equity
Savings deposits	$	2,037,995		742			0.07	$	2,051,105		794			0.08	(5		)	(47		)	(52		)
NOW accounts	2,029,303			2,520			0.25	1,963,742			1,141			0.12	39			1,340			1,379
Money market deposits	1,786,534			1,897			0.21	1,916,831			1,267			0.13	(80		)	710			630
Time deposits	1,803,787			9,052			1.01	1,527,285			3,736			0.49	781			4,535			5,316
Borrowed funds	886,253			6,992			1.59	643,068			4,293			1.35	1,823			876			2,699
Senior and subordinated debt	195,314			6,264			6.47	194,749			6,204			6.43	18			42			60
Total interest-bearing liabilities	8,739,186			27,467			0.63	8,296,780			17,435			0.42	2,576			7,456			10,032
Demand deposits	3,544,666							3,447,365
Total funding sources	12,283,852						0.45	11,744,145						0.30
Other liabilities	231,567							276,412
Stockholders' equity – common	1,882,121							1,797,222
Total liabilities and stockholders' equity	$	14,397,540						$	13,817,779
Tax-equivalent net interest income/margin(1)				247,980			3.85				236,876			3.88	$	13,264		$	(2,160	)	$	11,104
Tax-equivalent adjustment				(2,014		)					(4,096		)
Net interest income (GAAP)				$	245,966						$	232,780
Impact of acquired loan accretion(1)				$	9,557		0.15				$	20,102		0.33
Tax-equivalent net interest income/   margin, adjusted(1)				$	238,423		3.70				$	216,774		3.55

⁽¹⁾  Interest income and yields on tax-exempt securities and loans are presented on a tax-equivalent basis, assuming the applicable federal income tax rate for each period presented. As a result, interest income and yields on tax-exempt securities and loans subsequent to December 31, 2017 are presented at the current federal income tax rate of 21% and the prior period is presented using the federal income tax rate applicable at that time of 35%. The corresponding income tax impact related to tax-exempt items is recorded in income tax expense. These adjustments have no impact on net income. For a discussion of non-GAAP financial measures, see the section of this Item 2 titled "Non-GAAP Financial Information and Reconciliations."

⁽²⁾  Non-accrual loans, which totaled $53.5 million as of June 30, 2018 and $79.2 million as of June 30, 2017, are included in loans for purposes of this analysis. Additional detail regarding non-accrual loans is presented in the following section of this Item 2 titled "Non-performing Assets and Corporate Performing Potential Problem Loans."

46

Net interest income increased by 8.4% and 5.7% compared to the second quarter and first six months of 2017, respectively. The rise in net interest income compared to both prior periods resulted primarily from the impact of higher interest rates and growth in loans and securities, partially offset by lower acquired loan accretion and higher cost of funds.

Acquired loan accretion contributed $4.4 million and $9.6 million to net interest income for the second quarter and first six months of 2018, respectively, lower than $8.8 million and $20.1 million for the same periods in 2017.

Tax-equivalent net interest margin for the second quarter and first six months of 2018 was 3.91% and 3.85%, respectively, compared to 3.88% for both the second quarter and first six months of 2017. Compared to the same periods in 2017, the benefit of higher interest rates and growth in interest-earning assets more than offset the 14 and 18 basis point decrease in acquired loan accretion. In addition, tax-equivalent net interest margin for the second quarter and first six months of 2018 was negatively impacted by a 3 basis point reduction in the tax-equivalent adjustment as a result of lower federal income tax rates compared to the same periods in 2017.

Total average interest-earning assets rose by $814.7 million and $678.0 million from the second quarter and first six months of 2017, respectively. The increase resulted primarily from loan growth and security purchases.

Compared to the second quarter and first six months of 2017, total average funding sources increased by $637.6 million and $539.7 million, respectively. The increase compared to both prior periods resulted primarily from an increase in core and time deposits and FHLB advances.

47

Noninterest Income

A summary of noninterest income for the quarters and six months ended June 30, 2018 and 2017 is presented in the following table.

Table 4

Noninterest Income Analysis

(Dollar amounts in thousands)

	Quarters Ended   June 30,							Six Months Ended   June 30,
	2018			2017		% Change		2018			2017		% Change
Service charges on deposit accounts	$	12,058		$	12,153	(0.8	)	$	23,710		$	23,518	0.8
Wealth management fees	10,981			10,525		4.3		21,939			20,185		8.7
Card-based fees, net(1)(2):
Card-based fees	6,270			8,832		(29.0	)	11,962			16,948		(29.4	)
Cardholder expenses	(1,876		)	—		—		(3,635		)	—		—
Card-based fees, net	4,394			8,832		(50.2	)	8,327			16,948		(50.9	)
Capital market products income	2,819			2,217		27.2		4,377			3,593		21.8
Mortgage banking income	1,736			1,645		5.5		4,133			3,533		17.0
Merchant servicing fees, net(1)(3):
Merchant servicing fees	2,553			3,197		(20.1	)	4,790			6,332		(24.4	)
Merchant card expenses	(2,170		)	—		—		(4,077		)	—		—
Merchant servicing fees, net	383			3,197		(88.0	)	713			6,332		(88.7	)
Other service charges, commissions, and   fees	2,455			2,659		(7.7	)	4,673			4,966		(5.9	)
Total fee-based revenues	34,826			41,228		(15.5	)	67,872			79,075		(14.2	)
Other income(4)	2,121			3,433		(38.2	)	4,592			5,537		(17.1	)
Net securities gains	—			284		(100.0	)	—			284		(100.0	)
Total noninterest income	$	36,947		$	44,945	(17.8	)	$	72,464		$	84,896	(14.6	)

Noninterest Income, Adjusted⁽⁵⁾ 

(Dollar amounts in thousands)

	Quarters Ended   June 30,							Six Months Ended   June 30,
	2018		2017			% Change		2018		2017			% Change
Total noninterest income	$	36,947	$	44,945		(17.8	)	$	72,464	$	84,896		(14.6	)
Accounting reclassification(1)	4,046		—			—		7,712		—			—
Durbin Amendment(6)	—		(3,100		)	(100.0	)	—		(6,000		)	(100.0	)
Net securities gains	—		(284		)	(100.0	)	—		(284		)	(100.0	)
Total noninterest income, adjusted(5)	$	40,993	$	41,561		(1.4	)	$	80,176	$	78,612		2.0

⁽¹⁾  As a result of accounting guidance adopted in the first quarter of 2018 (the "accounting reclassification"), certain noninterest income line items and the related noninterest expense line items that are presented on a gross basis for prior year periods are presented on a net basis in noninterest income for current year periods. For further discussion of this guidance, see Note 2 of "Notes to the Condensed Consolidated Financial Statements" in Part I, Item 1 of this Form 10-Q.

⁽²⁾  Card-based fees, net consists of debit and credit card interchange fees for processing transactions, various fees on both consumer and non-customer automated teller machine ("ATM") and point-of-sale transactions processed through the ATM and point-of-sale networks, as well as the related cardholder expense.

⁽³⁾  Merchant servicing fees, net are included in other service charges, commissions, and fees in the Condensed Consolidated Statements of Income.

⁽⁴⁾  Other income consists of various items, including BOLI income, safe deposit box rentals, miscellaneous recoveries, and gains on the sales of various assets.

⁽⁵⁾  See the "Non-GAAP Financial Information" section presented later in this release for a discussion of this non-GAAP financial measure.

⁽⁶⁾  Amount represents the impact of the Durbin Amendment, which became effective for the Company in the third quarter of 2017.

48

Total noninterest income of $36.9 million and $72.5 million for the second quarter and first six months of 2018, respectively, was down by 17.8% and 14.6%, respectively, compared to the same periods in 2017. In the first quarter of 2018, the Company adopted accounting guidance which impacted how cardholder and merchant card expenses are presented within noninterest income on a prospective basis. As a result, these expenses are presented on a net basis against the related noninterest income for the second quarter and first six months of 2018 versus a gross basis within noninterest expense for the same periods in 2017. In addition, the Durbin Amendment became effective for the Company in the third quarter of 2017. Excluding these items and net securities gains, noninterest income, adjusted was $41.0 million and $80.2 million for the second quarter and first six months of 2018, respectively, down modestly from the second quarter of 2017 and up 2.0% from the first six months of 2017.

The increase in wealth management fees compared to both prior periods was driven primarily by continued sales of fiduciary and investment advisory services. Net card-based fees, excluding the accounting reclassification and the Durbin Amendment, were up by 8.5% and 11.0% compared to the second quarter and first six months of 2017, respectively, due to higher transaction volumes.

Mortgage banking income for the second quarter and first six months of 2018 resulted from sales of $64.3 million and $128.1 million, respectively, of 1-4 family mortgage loans in the secondary market, compared to $59.5 million and $114.1 million in the same periods of 2017. Compared to both prior periods, mortgage banking income was positively impacted by fair value adjustments on mortgage servicing rights, which fluctuate from quarter to quarter, partially offset by decreases in market pricing on sales of 1-4 family mortgage loans.

Capital market products income increased compared to both prior periods, which fluctuates from quarter to quarter based on the size and frequency of sales to corporate clients. Other income in the second quarter and first six months of 2017 was elevated due to net gains from the disposition of branch properties and other miscellaneous items.

49

Noninterest Expense

A summary of noninterest expense for the quarters and six months ended June 30, 2018 and 2017 is presented in the following table.

Table 5

Noninterest Expense Analysis

(Dollar amounts in thousands)

	Quarters Ended   June 30,							Six Months Ended   June 30,
	2018			2017		% Change		2018		2017		% Change
Salaries and employee benefits:
Salaries and wages	$	46,256		$	44,194	4.7		$	92,086	$	89,084	3.4
Retirement and other employee benefits	11,676			10,381		12.5		22,633		21,263		6.4
Total salaries and employee benefits	57,932			54,575		6.2		114,719		110,347		4.0
Net occupancy and equipment expense	13,651			12,485		9.3		27,424		24,810		10.5
Professional services	8,298			9,112		(8.9	)	15,878		17,575		(9.7	)
Technology and related costs	4,837			4,485		7.8		9,608		8,918		7.7
Advertising and promotions	2,061			1,693		21.7		3,711		2,759		34.5
Net OREO expense	(256		)	1,631		(115.7	)	812		3,331		(75.6	)
Other expenses	11,878			10,282		15.5		21,831		20,251		7.8
Delivering Excellence implementation   costs	15,015			—		—		15,015		—		—
Acquisition and integration related   expenses	—			1,174		(100.0	)	—		19,739		(100.0	)
Merchant card expenses(1)	—			2,632		(100.0	)	—		5,217		(100.0	)
Cardholder expenses(1)	—			1,682		(100.0	)	—		3,446		(100.0	)
Total noninterest expense(1)	$	113,416		$	99,751	13.7		$	208,998	$	216,393	(3.4	)

Noninterest Expense, Adjusted⁽²⁾ 

(Dollar amounts in thousands)

	Quarters Ended   June 30,								Six Months Ended   June 30,
	2018			2017			% Change		2018			2017			% Change
Total noninterest expense	$	113,416		$	99,751		13.7		$	208,998		$	216,393		(3.4	)
Delivering Excellence implementation   costs	(15,015		)	—			—		(15,015		)	—			—
Accounting reclassification(1)	4,046			—			—		7,712			—			—
Acquisition and integration related   expenses	—			(1,174		)	(100.0	)	—			(19,739		)	(100.0	)
Total noninterest expense, adjusted(2)	$	102,447		$	98,577		3.9		$	201,695		$	196,654		2.6

⁽¹⁾  As a result of accounting guidance adopted in the first quarter of 2018, certain noninterest income line items and the related noninterest expense line items that are presented on a gross basis for prior year periods are presented on a net basis in noninterest income for current year periods. For further discussion of this guidance, see Note 2 of "Notes to the Condensed Consolidated Financial Statements" in Part I, Item 1 of this Form 10-Q.

⁽²⁾  See the "Non-GAAP Financial Information" section presented later in this release for a discussion of this non-GAAP financial measure.

Total noninterest expense increased by 13.7% and decreased by 3.4% compared to the second quarter and first six months of 2017, respectively. During the second quarter and first six months of 2018, noninterest expense was impacted by costs related to the implementation of the Delivering Excellence initiative, which include property valuation adjustments on locations identified for closure, employee severance, and general restructuring and advisory services. In the first quarter of 2018, the Company adopted accounting guidance which impacted how cardholder and merchant card expenses are presented within noninterest income on a prospective basis. As a result, these expenses are presented on a net basis against the related noninterest income for the second quarter and first six months of 2018 versus a gross basis within noninterest expense for the prior periods. Expenses for the quarter and first six months of 2017 were impacted by acquisition and integration related expenses related to the acquisition of Standard

50

Bancshares, Inc ("Standard"). Excluding these items, noninterest expense for the second quarter and first six months of 2018 was $102.4 million and $201.7 million, up by 3.9% and 2.6% from the same periods in 2017.

The increase in salaries and employee benefits compared to the second quarter and first six months of 2017 was driven primarily by merit increases, the distribution of higher pension plan lump-sum payments to retired employees, and organizational growth. Professional services expenses decreased compared to the second quarter and first six months of 2017 as the prior year was impacted by certain costs associated with organizational growth and higher loan remediation expenses. Compared to the second quarter and first six months of 2017, the rise in advertising and promotions expense resulted from the timing of certain advertising costs. The decrease in net OREO expense compared to both prior periods resulted primarily from higher levels of operating income and lower valuation adjustments. Other expenses increased compared to both prior periods as a result of property valuation adjustments related to the Company's corporate headquarters relocation and higher other miscellaneous expenses.

Compared to both prior periods, net occupancy and equipment expenses increased due largely to higher costs related to the Company's corporate headquarters relocation. In addition, net occupancy and equipment expenses compared to the first six months of 2017 increased as a result of higher costs related to winter weather conditions.

Income Taxes

Our provision for income taxes includes both federal and state income tax expense. An analysis of the provision for income taxes for the quarters and six months ended June 30, 2018 and 2017 is detailed in the following table.

Table 6

Income Tax Expense Analysis

(Dollar amounts in thousands)

	Quarters Ended   June 30,						Six Months Ended   June 30,
	2018			2017			2018			2017
Income before income tax expense	$	39,320		$	54,538		$	82,637		$	88,126
Income tax expense:
Federal income tax expense	$	7,623		$	16,159		$	14,769		$	25,053
State income tax expense	2,097			3,429			4,758			5,268
Total income tax expense	$	9,720		$	19,588		$	19,527		$	30,321
Effective income tax rate	24.7		%	35.9		%	23.6		%	34.4		%

Federal income tax expense and the related effective income tax rate are influenced by the amount of tax-exempt income derived from investment securities and BOLI in relation to pre-tax income and state income taxes. State income tax expense and the related effective tax rate are driven by the amount of state tax-exempt income in relation to pre-tax income and state tax rules related to consolidated/combined reporting and sourcing of income and expense.

The decrease in the effective tax rate for the quarter and six months ended June 30, 2018 compared to the same periods in 2017 was driven primarily by the reduction in the federal income tax rate from 35% to 21%, which became effective in the first quarter of 2018 as a result of federal income tax reform. In addition, the first six months of 2018 and 2017 were impacted by income tax benefits of $1.0 million and $638,000, respectively, related to employee share-based payments.

Total income tax expense for the quarter and six months ended June 30, 2018 was down by 50.4% and 35.6%, respectively, compared to the same periods in the prior year. These decreases were driven primarily by the decrease in the federal income tax rate and lower levels of income subject to tax at statutory rates, partially offset by a decrease in tax-exempt income.

Our accounting policies regarding the recognition of income taxes in the Consolidated Statements of Financial Condition and Income are described in Notes 1 and 15 to the Consolidated Financial Statements of our 2017 10-K.

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FINANCIAL CONDITION

Investment Portfolio Management

Securities that we have the intent and ability to hold until maturity are classified as securities held-to-maturity and are accounted for using historical cost, adjusted for amortization of premiums and accretion of discounts. Equity securities are carried at fair value and consist primarily of community development investments and certain diversified investment securities held in a grantor trust for participants in the Company's nonqualified deferred compensation plan that are invested in money market and mutual funds. All other securities are classified as securities available-for-sale and are carried at fair value with unrealized gains and losses, net of related deferred income taxes, recorded in stockholders' equity as a separate component of accumulated other comprehensive loss.

We manage our investment portfolio to maximize the return on invested funds within acceptable risk guidelines, to meet pledging and liquidity requirements, and to adjust balance sheet interest rate sensitivity to mitigate the impact of changes in interest rates on net interest income.

From time to time, we adjust the size and composition of our securities portfolio based on a number of factors, including expected loan growth, anticipated changes in collateralized public funds on account, the interest rate environment, and the related value of various segments of the securities markets. The following table provides a valuation summary of our investment portfolio.

Table 7

Investment Portfolio

(Dollar amounts in thousands)

	As of June 30, 2018								As of December 31, 2017
	Amortized Cost		Net Unrealized Gains (Losses)			Fair Value		% of Total	Amortized Cost		Net Unrealized Gains (Losses)			Fair Value		% of Total
Securities Available-for-Sale
U.S. treasury securities	$	49,455	$	(297	)	$	49,158	2.3	$	46,529	$	(184	)	$	46,345	2.5
U.S. agency securities	150,443		(2,159		)	148,284		6.9	157,636		(789		)	156,847		8.3
Collateralized mortgage   obligations ("CMOs")	1,270,304		(37,874		)	1,232,430		57.5	1,113,019		(17,833		)	1,095,186		58.1
Other mortgage-backed   securities ("MBSs")	450,512		(12,876		)	437,636		20.4	373,676		(4,133		)	369,543		19.6
Municipal securities	222,034		(3,689		)	218,345		10.2	209,558		(567		)	208,991		11.1
Corporate debt securities	57,867		(855		)	57,012		2.7	—		—			—		—
Equity securities(1)	—		—			—		—	7,408		(111		)	7,297		0.4
Total securities   available-for-sale	$	2,200,615	$	(57,750	)	$	2,142,865	100.0	$	1,907,826	$	(23,617	)	$	1,884,209	100.0
Securities Held-to-Maturity
Municipal securities	$	13,042	$	(2,124	)	$	10,918		$	13,760	$	(1,747	)	$	12,013
Equity Securities(1)						$	28,441							$	—
Trading Securities(1)						$	—							$	20,447

⁽¹⁾  As a result of accounting guidance adopted in the first quarter of 2018, equity securities are no longer presented within trading securities or securities available-for-sale and are now presented within equity securities in the Consolidated Statements of Financial Condition for the current period. For further discussion of this guidance, see Note 2 of "Notes to the Condensed Consolidated Financial Statements" in Part I, Item 1 of this Form 10-Q.

Portfolio Composition

As of June 30, 2018, our securities available-for-sale portfolio totaled $2.1 billion, increasing by $258.7 million, or 13.7%, from December 31, 2017. The increase from December 31, 2017 was driven primarily by purchases of CMOs, MBSs, and corporate debt securities in light of current market conditions.

Investments in municipal securities consist of general obligations of local municipalities in various states. Our municipal securities portfolio has historically experienced very low default rates and provides a predictable cash flow.

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Table 8

Securities Effective Duration Analysis

	As of June 30, 2018					As of December 31, 2017
	Effective		Average	Yield to		Effective		Average	Yield to
	Duration(1)		Life(2)	Maturity(3)		Duration(1)		Life(2)	Maturity(3)
Securities Available-for-Sale
U.S. treasury securities	1.04	%	1.07	1.74	%	1.01	%	1.03	1.30	%
U.S. agency securities	1.81	%	3.34	2.09	%	1.80	%	3.22	1.74	%
CMOs	3.91	%	4.86	2.57	%	3.36	%	4.51	2.35	%
MBSs	4.31	%	5.68	2.56	%	3.77	%	5.29	2.30	%
Municipal securities	4.78	%	5.15	2.59	%	4.47	%	4.87	3.04	%
Corporate debt securities	0.03	%	7.59	3.36	%	N/M		N/M	N/M
Total securities available-for-sale	3.77	%	4.94	2.54	%	3.38	%	4.51	2.34	%
Securities Held-to-Maturity
Municipal securities	5.09	%	6.98	3.61	%	5.33	%	7.15	4.55	%

N/M – Not meaningful.

⁽¹⁾  The effective duration represents the estimated percentage change in the fair value of the securities portfolio given a 100 basis point increase or decrease in interest rates. This measure is used to evaluate the portfolio's price volatility at a single point in time and is not intended to be a precise predictor of future fair values since those values will be influenced by a number of factors.

⁽²⁾  Average life is presented in years and represents the weighted-average time to receive half of all future cash flows using the dollar amount of principal paydowns, including estimated principal prepayments, as the weighting factor.

⁽³⁾  Yields on municipal securities are reflected on a tax-equivalent basis, assuming the applicable federal income tax rate for each period presented.

Effective Duration

The average life and effective duration of our securities available-for-sale portfolio was 4.94 years and 3.77%, respectively, as of June 30, 2018, up from 4.51 years and 3.38% as of December 31, 2017. The increase resulted primarily from purchases of CMOs, MBSs, and corporate debt securities, as well as higher rates.

Realized Gains and Losses

There were no net securities gains or impairment charges recognized during the second quarter and first six months of 2018. For both the second quarter and first six months of 2017, there were $284,000 of net securities gains recognized on securities with carrying values of $30.7 million. In addition, during the first quarter of 2017, $210.2 million of securities acquired in the Standard transaction were sold shortly after the acquisition date and resulted in no gains or losses as they were recorded at fair value upon acquisition.

Unrealized Gains and Losses

Unrealized gains and losses on securities available-for-sale represent the difference between the aggregate cost and fair value of the portfolio. These amounts are presented in the Consolidated Statements of Comprehensive Income and reported as a separate component of stockholders' equity in accumulated other comprehensive loss, net of deferred income taxes. This balance sheet component will fluctuate as current market interest rates and conditions change and affect the aggregate fair value of the portfolio. Higher market rates drove the rise in net unrealized losses to $57.8 million as of June 30, 2018 from $23.6 million as of December 31, 2017.

Net unrealized losses in the CMO and MBS portfolio totaled $37.9 million and $12.9 million, respectively, as of June 30, 2018, compared to $17.8 million and $4.1 million for the same portfolios as of December 31, 2017. CMOs and MBSs are either backed by U.S. government-owned agencies or issued by U.S. government-sponsored enterprises. We do not believe any individual unrealized loss on these securities as of June 30, 2018 represents other-than-temporary securities impairment ("OTTI") related to credit deterioration. In addition, we do not intend to sell the CMOs or MBSs with unrealized losses and we do not believe it is more likely than not that we will be required to sell them before recovery of their amortized cost basis, which may be at maturity.

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LOAN PORTFOLIO AND CREDIT QUALITY

Portfolio Composition

Our loan portfolio is comprised of both corporate and consumer loans, with corporate loans representing 80.7% of total loans as of June 30, 2018. Consistent with our emphasis on relationship banking, the majority of our corporate loans are made to our core, multi-relationship customers. The customers usually maintain deposit relationships and utilize our other banking services, such as treasury or wealth management services.

To maximize loan income within an acceptable level of risk, we have certain lending policies and procedures that management reviews on a regular basis. In addition, management receives periodic reporting related to loan production, loan quality, credit concentrations, loan delinquencies, and non-performing and corporate performing potential problem loans to monitor and mitigate potential and current risks in the portfolio.

Table 9

Loan Portfolio

(Dollar amounts in thousands)

	As of    June 30, 2018		% of Total Loans	As of December 31, 2017		% of Total Loans	% Change
Commercial and industrial	$	3,844,067	35.3	$	3,529,914	33.8	8.9
Agricultural	433,175		4.0	430,886		4.1	0.5
Commercial real estate:
Office, retail, and industrial	1,834,918		16.8	1,979,820		19.0	(7.3	)
Multi-family	703,091		6.5	675,463		6.5	4.1
Construction	633,601		5.8	539,820		5.2	17.4
Other commercial real estate	1,337,396		12.3	1,358,515		13.0	(1.6	)
Total commercial real estate	4,509,006		41.4	4,553,618		43.7	(1.0	)
Total corporate loans	8,786,248		80.7	8,514,418		81.6	3.2
Home equity	847,903		7.8	827,055		7.9	2.5
1-4 family mortgages	880,181		8.1	774,357		7.4	13.7
Installment	377,233		3.4	321,982		3.1	17.2
Total consumer loans	2,105,317		19.3	1,923,394		18.4	9.5
Total loans	$	10,891,565	100.0	$	10,437,812	100.0	4.3

Total loans of $10.9 billion increased by 8.8%, annualized, from December 31, 2017. Growth in commercial and industrial loans, primarily within our sector-based lending businesses, multi-family, and construction loans drove the rise in total corporate loans. The rise in construction loans was due to line draws on existing credits. The overall decline in office, retail, and industrial and other commercial real estate loans resulted primarily from the decision of certain customers to opportunistically sell their commercial businesses and investment real estate properties, as well as expected payoffs. Growth in consumer loans compared to December 31, 2017 benefited from the impact of purchases of shorter-duration home equity loans, 1-4 family mortgages, and installment loans, as well as organic production.

Commercial, Industrial, and Agricultural Loans

Commercial, industrial, and agricultural loans represent 39.3% of total loans, and totaled $4.3 billion at June 30, 2018, an increase of $316.4 million, or 8.0%, from December 31, 2017. Our commercial and industrial loans are a diverse group of loans generally located in the Chicago metropolitan area with purposes that include supporting seasonal working capital needs, accounts receivable financing, inventory and equipment financing, and select sector-based lending, such as healthcare, asset-based lending, structured finance, and syndications. Our commercial and industrial portfolio does not have significant direct exposure to the oil and gas industry. Most commercial and industrial loans are secured by the assets being financed or other business assets, such as accounts receivable or inventory. The underlying collateral securing commercial and industrial loans may fluctuate in value due to the success of the business or economic conditions. For loans secured by accounts receivable, the availability of funds for repayment and economic conditions may impact the cash flow of the borrower. Accordingly, the underwriting for these loans is based primarily on the identified cash flows of the borrower and secondarily on the underlying collateral provided by the borrower and may incorporate a personal guarantee.

54

Agricultural loans are generally provided to meet seasonal production, equipment, and farm real estate borrowing needs of individual and corporate crop and livestock producers. Seasonal crop production loans are repaid by the liquidation of the financed crop that is typically covered by crop insurance. Equipment and real estate term loans are repaid through cash flows of the farming operation. Risks uniquely inherent in agricultural loans relate to weather conditions, agricultural product pricing, and loss of crops or livestock due to disease or other factors. Therefore, as part of the underwriting process, the Company examines projected future cash flows, financial statement stability, and the value of the underlying collateral.

Commercial Real Estate Loans

Commercial real estate loans are subject to underwriting standards and processes similar to commercial and industrial loans. The repayment of commercial real estate loans depends on the successful operation of the property securing the loan or the business conducted on the property securing the loan. This category of loans may be more adversely affected by conditions in the real estate market. In addition, many commercial real estate loans do not fully amortize over the term of the loan, but have balloon payments due at maturity. The borrower's ability to make a balloon payment may depend on the availability of long-term financing or their ability to complete a timely sale of the underlying property. Management monitors and evaluates commercial real estate loans based on cash flow, collateral, geography, and risk rating criteria.

Construction loans are generally based on estimates of costs and values associated with the completed projects and are underwritten utilizing feasibility studies, independent appraisal reviews, sensitivity analyses of absorption and lease rates, and financial analyses of the developers and property owners. Sources of repayment may be permanent long-term financing, sales of developed property, or an interim loan commitment until permanent financing is obtained. Generally, construction loans have a higher risk profile than other real estate loans since repayment is impacted by real estate values, interest rate changes, governmental regulation of real property, demand and supply of alternative real estate, the availability of long-term financing, and changes in general economic conditions.

The following table presents commercial real estate loan detail as of June 30, 2018 and December 31, 2017.

Table 10

Commercial Real Estate Loans

(Dollar amounts in thousands)

	As of    June 30, 2018		% of Total	As of December 31, 2017		% of Total
Office, retail, and industrial:
Office	$	747,986	16.6	$	844,413	18.5
Retail	466,480		10.3	471,781		10.4
Industrial	620,452		13.8	663,626		14.6
Total office, retail, and industrial	1,834,918		40.7	1,979,820		43.5
Multi-family	703,091		15.6	675,463		14.8
Construction	633,601		14.0	539,820		11.8
Other commercial real estate:
Multi-use properties	327,210		7.3	330,926		7.3
Rental properties	181,478		4.0	197,579		4.3
Warehouses and storage	163,252		3.6	172,505		3.8
Hotels	128,673		2.8	97,016		2.1
Restaurants	115,908		2.6	112,547		2.5
Service stations and truck stops	102,520		2.3	107,834		2.4
Recreational	81,090		1.8	87,986		1.9
Automobile dealers	35,737		0.8	39,020		0.9
Other	201,528		4.5	213,102		4.7
Total other commercial real estate	1,337,396		29.7	1,358,515		29.9
Total commercial real estate	$	4,509,006	100.0	$	4,553,618	100.0

Commercial real estate loans represent 41.4% of total loans, and totaled $4.5 billion at June 30, 2018, decreasing by $44.6 million, or 1.0%, from December 31, 2017.

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The mix of properties securing the loans in our commercial real estate portfolio is balanced between owner-occupied and investor categories and is diverse in terms of type and geographic location, generally within the Company's markets. Approximately 43% of the commercial real estate portfolio, excluding multi-family and construction loans, is owner-occupied as of June 30, 2018. Using outstanding loan balances, non-owner-occupied commercial real estate loans to total capital was 210% and construction loans to total capital was 35% as of June 30, 2018. Non-owner-occupied (investor) commercial real estate is calculated in accordance with federal banking agency guidelines and includes construction, multi-family, non-farm non-residential property, and commercial real estate loans that are not secured by real estate collateral.

Consumer Loans

Consumer loans represent 19.3% of total loans, and totaled $2.1 billion at June 30, 2018, an increase of $181.9 million, or 9.5%, from December 31, 2017. Consumer loans are centrally underwritten using a credit scoring model developed by the Fair Isaac Corporation ("FICO"), which employs a risk-based system to determine the probability a borrower may default. Underwriting standards for home equity loans are heavily influenced by statutory requirements, which include loan-to-value and affordability ratios, risk-based pricing strategies, and documentation requirements. The home equity category consists mainly of revolving lines of credit secured by junior liens on owner-occupied real estate. Loan-to-value ratios on home equity loans and 1-4 family mortgages are based on the current appraised value of the collateral. Repayment for these loans is dependent on the borrower's continued financial stability, and is more likely to be impacted by adverse personal circumstances.

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Non-performing Assets and Corporate Performing Potential Problem Loans

The following table presents our loan portfolio by performing and non-performing status. A discussion of our accounting policies for non-accrual loans, TDRs, and loans 90 days or more past due can be found in Note 1 of "Notes to the Condensed Consolidated Financial Statements" in Part 1, Item 1 of this Form 10-Q.

Table 11

Loan Portfolio by Performing/Non-Performing Status

(Dollar amounts in thousands)

	Accruing
	PCI(1)		Current		30-89 Days Past Due		90 Days Past Due		Non-accrual(2)		Total Loans
As of June 30, 2018
Commercial and industrial	$	2,234	$	3,799,454	$	18,163	$	1,544	$	22,672	$	3,844,067
Agricultural	2,481		424,807		1,477		1,418		2,992		433,175
Commercial real estate:
Office, retail, and industrial	11,947		1,807,196		5,366		1,402		9,007		1,834,918
Multi-family	13,014		683,906		351		2,269		3,551		703,091
Construction	4,888		628,155		107		243		208		633,601
Other commercial real estate	56,805		1,268,396		6,316		591		5,288		1,337,396
Total commercial real estate	86,654		4,387,653		12,140		4,505		18,054		4,509,006
Total corporate loans	91,369		8,611,914		31,780		7,467		43,718		8,786,248
Home equity	1,947		837,412		3,145		—		5,399		847,903
1-4 family mortgages	17,296		857,016		1,470		41		4,358		880,181
Installment	996		373,015		2,776		446		—		377,233
Total consumer loans	20,239		2,067,443		7,391		487		9,757		2,105,317
Total loans	$	111,608	$	10,679,357	$	39,171	$	7,954	$	53,475	$	10,891,565
As of December 31, 2017
Commercial and industrial	$	5,450	$	3,458,049	$	24,005	$	1,830	$	40,580	$	3,529,914
Agricultural	7,203		423,007		280		177		219		430,886
Commercial real estate:
Office, retail, and industrial	14,575		1,950,564		2,776		345		11,560		1,979,820
Multi-family	14,071		657,878		3,117		20		377		675,463
Construction	8,778		530,264		198		371		209		539,820
Other commercial real estate	64,675		1,287,522		2,380		317		3,621		1,358,515
Total commercial real estate	102,099		4,426,228		8,471		1,053		15,767		4,553,618
Total corporate loans	114,752		8,307,284		32,756		3,060		56,566		8,514,418
Home equity	2,745		815,014		3,252		98		5,946		827,055
1-4 family mortgages	18,080		750,555		1,310		—		4,412		774,357
Installment	1,113		318,065		2,407		397		—		321,982
Total consumer loans	21,938		1,883,634		6,969		495		10,358		1,923,394
Total loans	$	136,690	$	10,190,918	$	39,725	$	3,555	$	66,924	$	10,437,812

⁽¹⁾  PCI loans with an accretable yield are considered current.

⁽²⁾  Includes PCI loans of $748,000 and $763,000 as of June 30, 2018 and December 31, 2017, respectively, which no longer have an accretable yield as estimates of expected future cash flows have decreased since the acquisition date due to credit deterioration.

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The following table provides a comparison of our non-performing assets and past due loans to prior periods.

Table 12

Non-Performing Assets and Past Due Loans

(Dollar amounts in thousands)

	As of
	June 30, 2018			March 31, 2018			December 31, 2017			September 30, 2017			June 30, 2017
Non-accrual loans	$	53,475		$	75,015		$	66,924		$	65,176		$	79,196
90 days or more past due loans, still accruing interest(1)	7,954			4,633			3,555			2,839			2,059
Total non-performing loans	61,429			79,648			70,479			68,015			81,255
Accruing TDRs	1,760			1,778			1,796			1,813			2,029
OREO	12,892			17,472			20,851			19,873			26,493
Total non-performing assets	$	76,081		$	98,898		$	93,126		$	89,701		$	109,777
30-89 days past due loans(1)	$	39,171		$	42,573		$	39,725		$	28,868		$	19,081
Non-accrual loans to total loans	0.49		%	0.70		%	0.64		%	0.63		%	0.77		%
Non-performing loans to total loans	0.56		%	0.75		%	0.68		%	0.65		%	0.79		%
Non-performing assets to total loans plus   OREO	0.70		%	0.92		%	0.89		%	0.86		%	1.07		%

⁽¹⁾  PCI loans with an accretable yield are considered current and are not included in past due loan totals.

Total non-performing assets represented 0.70% of total loans and OREO at June 30, 2018, down from 0.89% and 1.07% at December 31, 2017 and June 30, 2017, respectively. The decline in OREO compared to prior periods resulted from sales of OREO properties. Non-accrual loans decreased by $13.4 million from December 31, 2017 due primarily to the final resolution of two corporate relationships.

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TDRs

Loan modifications may be performed at the request of an individual borrower and may include reductions in interest rates, changes in payments, and extensions of maturity dates. We occasionally restructure loans at other than market rates or terms to enable the borrower to work through financial difficulties for a period of time, and these restructured loans remain classified as TDRs for the remaining term of these loans.

Table 13

TDRs by Type

(Dollar amounts in thousands)

	As of
	June 30, 2018			December 31, 2017			June 30, 2017
	Number of Loans	Amount		Number of Loans	Amount		Number of Loans	Amount
Commercial and industrial	6	$	7,100	11	$	19,223	4	$	1,164
Commercial real estate:
Office, retail, and industrial	2	501		4	4,236		2	860
Multi-family	2	566		3	723		3	737
Other commercial real estate	1	187		1	192		1	197
Total commercial real estate	5	1,254		8	5,151		6	1,794
Total corporate loans	11	8,354		19	24,374		10	2,958
Home equity	13	554		15	824		16	939
1-4 family mortgages	11	1,090		11	1,131		11	1,168
Total consumer loans	24	1,644		26	1,955		27	2,107
Total TDRs	35	$	9,998	45	$	26,329	37	$	5,065
Accruing TDRs	13	$	1,760	14	$	1,796	16	$	2,029
Non-accrual TDRs	22	8,238		31	24,533		21	3,036
Total TDRs	35	$	9,998	45	$	26,329	37	$	5,065
Year-to-date charge-offs on TDRs		$	3,672		$	6,345		$	113
Specific reserves related to TDRs		625			1,977			—

As of June 30, 2018, TDRs totaled $10.0 million, decreasing by $16.3 million from December 31, 2017. The decrease from December 31, 2017 was driven primarily by paydowns and the final resolution of one non-accrual corporate relationship during the first six months of 2018.

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Corporate Performing Potential Problem Loans

Corporate performing potential problem loans consist of special mention loans and substandard loans, excluding accruing TDRs. These loans are performing in accordance with their contractual terms, but we have concerns about the ability of the borrower to continue to comply with loan terms due to the borrower's operating or financial difficulties.

Table 14

Corporate Performing Potential Problem Loans

(Dollar amounts in thousands)

	As of June 30, 2018									As of December 31, 2017
	Special Mention(1)			Substandard(2)			Total(3)			Special Mention(1)			Substandard(2)			Total(3)
Commercial and industrial	$	122,881		$	49,633		$	172,514		$	70,863		$	30,074		$	100,937
Agricultural	8,474			6,666			15,140			10,989			5,732			16,721
Commercial real estate	85,114			58,463			143,577			72,749			69,228			141,977
Total corporate performing   potential problem loans(4)	$	216,469		$	114,762		$	331,231		$	154,601		$	105,034		$	259,635
Corporate performing potential   problem loans to corporate   loans	2.46		%	1.31		%	3.77		%	1.82		%	1.23		%	3.05		%
Corporate PCI performing   potential problem loans   included in the totals above	$	14,546		$	22,022		$	36,568		$	17,685		$	26,635		$	44,320

⁽¹⁾  Loans categorized as special mention exhibit potential weaknesses that require the close attention of management since these potential weaknesses may result in the deterioration of repayment prospects in the future.

⁽²⁾  Loans categorized as substandard exhibit well-defined weaknesses that may jeopardize the liquidation of the debt. These loans continue to accrue interest because they are well-secured and collection of principal and interest is expected within a reasonable time.

⁽³⁾  Total corporate performing potential problem loans excludes accruing TDRs of $645,000 as of June 30, 2018 and $657,000 as of December 31, 2017.

⁽⁴⁾  Includes corporate PCI performing potential problem loans.

Corporate performing potential problem loans to corporate loans was 3.77% at June 30, 2018, increasing from 3.05% at December 31, 2017, which resulted primarily from higher levels of commercial and industrial loans classified as special mention. Management has specific monitoring and remediation plans associated with these loans.

OREO

OREO consists of properties acquired as the result of borrower defaults on loans.

Table 15

OREO by Type

(Dollar amounts in thousands)

	As of
	June 30, 2018		December 31, 2017		June 30, 2017
Single-family homes	$	633	$	837	$	1,243
Land parcels:
Raw land	148		850		868
Commercial lots	5,006		8,698		9,852
Single-family lots	1,962		2,150		2,150
Total land parcels	7,116		11,698		12,870
Multi-family units	225		48		48
Commercial properties	4,918		8,268		12,332
Total OREO	$	12,892	$	20,851	$	26,493

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OREO Activity

A rollforward of OREO balances for the quarters and six months ended June 30, 2018 and 2017 is presented in the following table.

Table 16

OREO Rollforward

(Dollar amounts in thousands)

	Quarters Ended June 30,						Six Months Ended June 30,
	2018			2017			2018			2017
Beginning balance	$	17,472		$	29,140		$	20,851		$	26,083
Transfers from loans	235			1,299			1,172			1,982
Acquisitions	—			(3		)	—			8,424
Proceeds from sales	(4,762		)	(3,112		)	(8,638		)	(8,476		)
Gains on sales of OREO	35			215			15			59
OREO valuation adjustments	(88		)	(1,046		)	(508		)	(1,579		)
Ending balance	$	12,892		$	26,493		$	12,892		$	26,493

Allowance for Credit Losses

Methodology for the Allowance for Credit Losses

The allowance for credit losses is comprised of the allowance for loan losses and the reserve for unfunded commitments and is maintained by management at a level believed adequate to absorb estimated losses inherent in the existing loan portfolio. Determination of the allowance for credit losses is inherently subjective since it requires significant estimates and management judgment, including the amounts and timing of expected future cash flows on impaired loans, estimated losses on pools of homogeneous loans, and consideration of current economic trends.

Acquired loans are recorded at fair value, which incorporates credit risk, at the date of acquisition. No allowance for credit losses is recorded on the acquisition date for such loans. As the acquisition adjustment is accreted into income over future periods, an allowance for credit losses is established as necessary to reflect credit deterioration. In addition, certain acquired loans that have renewed subsequent to their respective acquisition dates are no longer classified as acquired loans. Instead, they are included with our loan population that is allocated an allowance in accordance with our allowance for loan losses methodology.

While management utilizes its best judgment and information available, the ultimate adequacy of the allowance for credit losses depends on a variety of factors beyond the Company's control, including the performance of its loan portfolio, the economy, changes in interest rates and property values, and the interpretation of loan risk ratings by regulatory authorities. Management believes that the allowance for credit losses is an appropriate estimate of credit losses inherent in the loan portfolio as of June 30, 2018.

The accounting policy for the allowance for credit losses is discussed in Note 1 of "Notes to the Condensed Consolidated Financial Statements" in Part I, Item 1 of this Form 10-Q.

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An allowance for credit losses is established on loans originated by the Bank, acquired loans, and covered loans. Additional discussion regarding acquired and covered loans can be found in Notes 1 and 6 of "Notes to the Condensed Consolidated Financial Statements" in Part I, Item 1 of this Form 10-Q. The following table provides additional details related to acquired loans, the allowance for credit losses related to acquired loans, and the remaining acquisition adjustment associated with acquired loans as of June 30, 2018 and December 31, 2017.

Table 17

Allowance for Credit Losses and Acquisition Adjustment

(Dollar amounts in thousands)

	Loans, Excluding Acquired Loans			Acquired Loans(1)			Total
Six months ended June 30, 2018
Beginning balance	$	94,123		$	2,606		$	96,729
Net charge-offs	(25,178		)	(655		)	(25,833		)
Provision for loan losses and other expense	26,795			—			26,795
Ending balance	$	95,740		$	1,951		$	97,691
As of June 30, 2018
Total loans	$	9,568,000		$	1,323,565		$	10,891,565
Remaining acquisition adjustment(2)	N/A			66,083			66,083
Allowance for credit losses to total loans(3)	1.00		%	0.15		%	0.90		%
Remaining acquisition adjustment to acquired loans	N/A			4.99		%	N/A
As of December 31, 2017
Total loans	$	8,822,560		$	1,615,252		$	10,437,812
Remaining acquisition adjustment(2)	N/A			74,677			74,677
Allowance for credit losses to total loans(3)	1.07		%	0.16		%	0.93		%
Remaining acquisition adjustment to acquired loans	N/A			4.62		%	N/A

N/A – Not applicable.

⁽¹⁾  These amounts and ratios relate to the loans acquired in completed acquisitions.

⁽²⁾  The remaining acquisition adjustment consists of $38.4 million and $27.7 million relating to PCI and non-purchased credit impaired ("Non-PCI") loans, respectively, as of June 30, 2018, and $43.5 million and $31.2 million relating to PCI and Non-PCI loans, respectively, as of December 31, 2017.

⁽³⁾  The allowance for credit losses to total loans, excluding acquired loans is a non-GAAP financial measure. For a discussion of non-GAAP financial measures, see the section of this Item 2 titled "Non-GAAP Financial Information and Reconciliations."

Excluding acquired loans, the allowance for credit losses to total loans was 1.00% as of June 30, 2018. The acquisition adjustment decreased by $8.6 million during the first six months of 2018, driven primarily by acquired loan accretion, resulting in a remaining acquisition adjustment as a percent of acquired loans of 4.99%. Acquired loans that are renewed are no longer classified as acquired loans. These loans totaled $419.8 million and $366.0 million as of June 30, 2018 and December 31, 2017, respectively, and are included in loans, excluding acquired loans, and allocated an allowance in accordance with our allowance for loan losses methodology. In addition, there is an allowance for credit losses of $2.0 million on acquired loans.

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Table 18

Allowance for Credit Losses and

Summary of Credit Loss Experience

(Dollar amounts in thousands)

	Quarters Ended
	June 30, 2018			March 31, 2018			December 31, 2017			September 30, 2017			June 30, 2017
Change in allowance for credit losses
Beginning balance	$	95,854		$	96,729		$	95,814		$	93,371		$	89,163
Loan charge-offs:
Commercial, industrial, and agricultural	8,662			14,670			6,919			8,935			2,957
Office, retail, and industrial	305			461			49			14			—
Multi-family	4			—			—			—			—
Construction	—			—			—			(6		)	39
Other commercial real estate	1			69			34			6			307
Consumer	2,337			1,885			2,118			1,617			1,556
Total loan charge-offs	11,309			17,085			9,120			10,566			4,859
Recoveries of loan charge-offs:
Commercial, industrial, and agricultural	753			538			1,386			698			400
Office, retail, and industrial	26			97			127			1,825			8
Multi-family	—			—			3			2			6
Construction	8			13			12			19			12
Other commercial real estate	359			39			39			25			79
Consumer	386			342			444			331			323
Total recoveries of loan charge-offs	1,532			1,029			2,011			2,900			828
Net loan charge-offs	9,777			16,056			7,109			7,666			4,031
Provision for loan losses	11,614			15,181			8,024			10,109			8,239
Ending balance	$	97,691		$	95,854		$	96,729		$	95,814		$	93,371
Allowance for credit losses
Allowance for loan losses	$	96,691		$	94,854		$	95,729		$	94,814		$	92,371
Reserve for unfunded commitments	1,000			1,000			1,000			1,000			1,000
Total allowance for credit losses	$	97,691		$	95,854		$	96,729		$	95,814		$	93,371
Allowance for credit losses to loans(1)	0.90		%	0.90		%	0.93		%	0.92		%	0.91		%
Allowance for credit losses to loans, excluding   acquired loans(2)	1.00		%	1.01		%	1.07		%	1.09		%	1.10		%
Allowance for credit losses to   non-accrual loans	182.69		%	127.78		%	144.54		%	147.01		%	117.90		%
Allowance for credit losses to   non-performing loans	159.03		%	120.35		%	137.25		%	140.87		%	114.91		%
Average loans	$	10,785,341		$	10,496,089		$	10,380,689		$	10,273,630		$	10,059,968
Net loan charge-offs to average loans,   annualized	0.36		%	0.62		%	0.27		%	0.30		%	0.16		%

⁽¹⁾  This ratio includes acquired loans that are recorded at fair value through an acquisition adjustment, which incorporates credit risk as of the acquisition date with no allowance for credit losses being established at that time. As the acquisition adjustment is accreted into income over future periods, an allowance for credit losses is established as necessary to reflect credit deterioration. See the Allowance for Credit Losses and Acquisition Adjustment table above for further discussion of the allowance for acquired loan losses and the related acquisition adjustment.

⁽²⁾  This item is a non-GAAP financial measure. For a discussion of non-GAAP financial measures, see the section of this Item 2 titled "Non-GAAP Financial Information and Reconciliations."

Activity in the Allowance for Credit Losses

The allowance for credit losses was $97.7 million as of June 30, 2018 and represents 0.90% of total loans compared to 0.93% at December 31, 2017.

The provision for loan losses was $11.6 million for the quarter ended June 30, 2018, up from $8.0 million and $8.2 million for the quarters ended December 31, 2017 and June 30, 2017, respectively. The increase compared to the quarter ended December 31, 2017 resulted primarily from higher levels of net charge-offs and loan growth.

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Net loan charge-offs to average loans, annualized, were 0.36%, or $9.8 million, for the second quarter of 2018, up from 0.27% and 0.16% for the fourth quarter of 2017 and second quarter of 2017, respectively. Charge-offs for the second quarter of 2018 include the final resolution of certain commercial and industrial relationships.

FUNDING AND LIQUIDITY MANAGEMENT

The following table provides a comparison of average funding sources. We believe that average balances, rather than period-end balances, are more meaningful in analyzing funding sources because of the normal fluctuations that may occur on a daily or monthly basis within funding categories.

Table 19

Funding Sources – Average Balances

(Dollar amounts in thousands)

	Quarters Ended									June 30, 2018 % Change From
	June 30, 2018			December 31, 2017			June 30, 2017			December 31, 2017		June 30, 2017
Demand deposits	$	3,621,645		$	3,611,811		$	3,538,049		0.3		2.4
Savings deposits	2,060,066			2,017,489			2,072,343			2.1		(0.6	)
NOW accounts	2,065,530			1,992,150			2,010,152			3.7		2.8
Money market accounts	1,759,313			1,938,195			1,942,672			(9.2	)	(9.4	)
Core deposits	9,506,554			9,559,645			9,563,216			(0.6	)	(0.6	)
Time deposits	1,860,561			1,613,681			1,516,531			15.3		22.7
Brokered deposits	11,105			6,077			22,314			82.7		(50.2	)
Total time deposits	1,871,666			1,619,758			1,538,845			15.6		21.6
Total deposits	11,378,220			11,179,403			11,102,061			1.8		2.5
Securities sold under agreements to   repurchase	114,726			119,797			122,961			(4.2	)	(6.7	)
Federal funds purchased	714			—			—			N/M		N/M
FHLB advances	798,462			434,837			430,085			83.6		85.7
Total borrowed funds	913,902			554,634			553,046			64.8		65.2
Senior and subordinated debt	195,385			195,102			194,819			0.1		0.3
Total funding sources	$	12,487,507		$	11,929,139		$	11,849,926		4.7		5.4
Average interest rate paid on   borrowed funds	1.54		%	1.62		%	1.52		%
Weighted-average maturity of FHLB   advances	1.1 months			1.0 months			1.1 months
Weighted-average interest rate of   FHLB advances	2.05		%	1.26		%	1.08		%

N/M – Not meaningful.

Total average funding sources for the second quarter of 2018 increased by $558.4 million, or 4.7%, compared to the first quarter of 2018 and $637.6 million, or 5.4%, compared to the second quarter of 2017. The increase compared to both prior periods resulted from an increase in FHLB advances as related interest rate swaps became effective and a rise in time deposits due to the continued success of promotions which started in 2017.

64

Table 20

Borrowed Funds

(Dollar amounts in thousands)

	As of June 30, 2018			As of June 30, 2017
	Amount		Weighted- Average Rate (%)	Amount		Weighted- Average Rate (%)
At period-end:
Securities sold under agreements to repurchase	$	111,044	0.08	$	124,333	0.08
FHLB advances	870,000		2.05	515,000		1.08
Total borrowed funds	$	981,044	1.83	$	639,333	0.89
Average for the year-to-date period:
Securities sold under agreements to repurchase	$	117,275	0.07	$	124,572	0.06
Federal funds purchased	6,022		1.64	—		—
FHLB advances	762,956		1.82	518,496		1.66
Total borrowed funds	$	886,253	1.59	$	643,068	1.35
Maximum amount outstanding at the end of any day during the period:
Securities sold under agreements to repurchase	$	128,553		$	140,764
Federal funds purchased	65,000			—
FHLB advances	945,000			940,000

Average borrowed funds totaled $886.3 million for the second quarter of 2018, increasing by $243.2 million compared to the same period in 2017. This increase was due primarily to higher levels of FHLB advances. The weighted-average rate on FHLB advances for both periods presented was impacted by the hedging of $710.0 million and $415.0 million in FHLB advances as of June 30, 2018 and 2017, respectively, using interest rate swaps through which the Company receives variable amounts and pays fixed amounts. The weighted-average interest rate paid on these interest rate swaps was 1.91% and 2.17% as of June 30, 2018 and 2017, respectively. For a detailed discussion of interest rate swaps, see Note 9 of "Notes to the Condensed Consolidated Financial Statements" in Part I, Item 1 of this Form 10-Q.

Securities sold under agreements to repurchase generally mature within 1 to 90 days from the transaction date.

MANAGEMENT OF CAPITAL

Capital Measurements

A strong capital structure is required under applicable banking regulations and is crucial in maintaining investor confidence, accessing capital markets, and enabling us to take advantage of future growth opportunities. Our capital policy requires that the Company and the Bank maintain capital ratios in excess of the minimum regulatory guidelines. It serves as an internal discipline in analyzing business risks and internal growth opportunities and sets targeted levels of return on equity. Under regulatory capital adequacy guidelines, the Company and the Bank are subject to various capital requirements set and administered by the federal banking agencies. On January 1, 2015, the Company and the Bank became subject to the Basel III Capital rules, a new comprehensive capital framework for U.S. banking organizations published by the Federal Reserve. These rules are discussed in the "Supervision and Regulation" section in Item 1, "Business" in the Company's 2017 10-K. In addition, financial institutions, such as the Company and the Bank, with average total consolidated assets greater than $10 billion were previously required by the Dodd-Frank Act to conduct an annual company-run stress test of capital, report results to the Federal Reserve, and publicly disclose a summary of the results. As a result of regulatory reform signed into law during the second quarter of 2018, the Company and the Bank are no longer required to perform these actions.

The following table presents our consolidated measures of capital as of the dates presented and the capital guidelines established by the Federal Reserve for the Bank to be categorized as "well-capitalized." We manage our capital levels for both the Company and the Bank to consistently maintain these measurements in excess of the Federal Reserve's minimum levels to be considered "well-capitalized," which is the highest capital category established. All regulatory mandated ratios for characterization as "well-capitalized" were exceeded as of June 30, 2018 and December 31, 2017.

65

The tangible common equity ratios presented in the table below are capital adequacy metrics used and relied on by investors and industry analysts; however, they are non-GAAP financial measures. For a discussion of non-GAAP financial measures, see the section of this Item 2 titled "Non-GAAP Financial Information and Reconciliations."

Table 21

Capital Measurements

(Dollar amounts in thousands)

					As of June 30, 2018
	As of				Regulatory Minimum For Well- Capitalized
	June 30,   2018		December 31, 2017				Excess Over Required Minimums
Bank regulatory capital ratios
Total capital to risk-weighted assets	10.77	%	10.95	%	10.00	%	8	%	$	95,369
Tier 1 capital to risk-weighted assets	9.98	%	10.13	%	8.00	%	25	%	$	243,907
CET1 to risk-weighted assets	9.98	%	10.13	%	6.50	%	54	%	$	428,578
Tier 1 capital to average assets	8.86	%	9.10	%	5.00	%	77	%	$	534,989
Company regulatory capital ratios
Total capital to risk-weighted assets	12.07	%	12.15	%	N/A		N/A		N/A
Tier 1 capital to risk-weighted assets	10.09	%	10.10	%	N/A		N/A		N/A
CET1 to risk-weighted assets	9.68	%	9.68	%	N/A		N/A		N/A
Tier 1 capital to average assets	8.95	%	8.99	%	N/A		N/A		N/A
Company tangible common equity ratios(1)(2)
Tangible common equity to tangible assets	8.04	%	8.33	%	N/A		N/A		N/A
Tangible common equity, excluding   accumulated other comprehensive loss, to   tangible assets	8.50	%	8.58	%	N/A		N/A		N/A
Tangible common equity to risk-weighted   assets	9.16	%	9.31	%	N/A		N/A		N/A

N/A – Not applicable.

⁽¹⁾  Ratios are not subject to formal Federal Reserve regulatory guidance.

⁽²⁾  Tangible common equity ratios are non-GAAP financial measures. For a discussion of non-GAAP financial measures, see the section of this Item 2 titled "Non-GAAP Financial Information and Reconciliations."

Overall, the Company's regulatory capital ratios decreased compared to December 31, 2017, due primarily to the impact of loan growth on risk-weighted assets and the nearly 10 basis point impact of the phase-in of certain provisions related to regulatory capital ratio calculations, substantially offset by an increase in retained earnings.

The Board of Directors reviews the Company's capital plan each quarter, considering the current and expected operating environment as well as evaluating various capital alternatives.

Dividends

The Board of Directors approved a quarterly cash dividend of $0.11 per common share during the second quarter of 2018, which follows a dividend increase from $0.10 to $0.11 per common share during the first quarter of 2018 and represents the 142^nd consecutive quarterly cash dividend paid by the Company since its inception in 1983.

66

NON-GAAP FINANCIAL INFORMATION AND RECONCILIATIONS

The Company's accounting and reporting policies conform to GAAP and general practices within the banking industry. As a supplement to GAAP, the Company provides non-GAAP performance results, which the Company believes are useful because they assist investors in assessing the Company's operating performance. These non-GAAP financial measures include earnings per share ("EPS"), adjusted, the efficiency ratio, return on average assets, adjusted, tax-equivalent net interest income (including its individual components), tax-equivalent net interest margin, tax-equivalent net interest margin, adjusted, noninterest income, adjusted, noninterest expense, adjusted, tangible common equity to tangible assets, tangible common equity, excluding accumulated other comprehensive loss, to tangible assets, tangible common equity to risk-weighted assets, return on average common equity, adjusted, return on average tangible common equity, return on average tangible common equity, adjusted, and allowance for credit losses to loans, excluding acquired loans.

The Company presents EPS, the efficiency ratio, return on average assets, return on average common equity, and return on average tangible common equity, all adjusted for certain significant transactions. These transactions include Delivering Excellence implementation costs (second quarter and first six months of 2018) and acquisition and integration related expenses (second quarter and first six months of 2017). Management believes excluding these transactions from EPS, the efficiency ratio, return on average assets, return on average common equity, and return on average tangible common equity are useful in assessing the Company's underlying operational performance since these transactions do not pertain to its core business operations and their exclusion facilitates better comparability between periods. Management believes that excluding acquisition and integration related expenses from these metrics is useful to the Company, as well as analysts and investors, since these expenses can vary significantly based on the size, type, and structure of each acquisition. Additionally, management believes excluding these transactions from these metrics enhances comparability for peer comparison purposes.

The Company presents noninterest income, adjusted, which excludes the accounting reclassification, the Durbin Amendment, and net securities gains, and noninterest expense, adjusted, which excludes the accounting reclassification, Delivering Excellence implementation costs, and acquisition and integration related expenses. Management believes that excluding these items from noninterest income and noninterest expense is useful in assessing the Company's underlying operational performance as these items either do not pertain to its core business operations or their exclusion facilitates better comparability between periods and for peer comparison purposes.

The tax-equivalent adjustment to net interest income and net interest margin recognizes the income tax savings when comparing taxable and tax-exempt assets. Interest income and yields on tax-exempt securities and loans subsequent to December 31, 2017 are presented using the current federal income tax rate of 21% and prior periods are computed using the federal income tax rate applicable at that time of 35%. Management believes that it is standard practice in the banking industry to present net interest income and net interest margin on a fully tax-equivalent basis and that it enhances comparability for peer comparison purposes. In addition, management believes that presenting the tax-equivalent net interest margin, adjusted, enhances comparability for peer comparison purposes and is useful to the Company, as well as analysts and investors, since acquired loan accretion income may fluctuate based on the size of each acquisition, as well as from period to period.

In management's view, tangible common equity measures are capital adequacy metrics meaningful to the Company, as well as analysts and investors, in assessing the Company's use of equity and in facilitating comparisons with peers. These non-GAAP measures are valuable indicators of a financial institution's capital strength since they eliminate intangible assets from stockholders' equity and retain the effect of accumulated other comprehensive loss in stockholders' equity.

The Company presents the allowance for credit losses to total loans, excluding acquired loans. Management believes excluding acquired loans is useful as it facilitates better comparability between periods as these loans are recorded at fair value, which incorporates credit risk, at the date of acquisition. No allowance for credit losses is recorded on the acquisition date. As the acquisition adjustment is accreted into income over future periods, an allowance for credit losses is established as necessary to reflect credit deterioration. Additionally, management believes excluding these transactions from these metrics enhances comparability for peer comparison purposes. See Table 17 in the section of this Item 2 titled "Loan Portfolio and Credit Quality" for details on the calculation of this measure.

Although intended to enhance investors' understanding of the Company's business and performance, these non-GAAP financial measures should not be considered an alternative to GAAP. In addition, these non-GAAP financial measures may differ from those used by other financial institutions to assess their business and performance. See the previously provided tables and the following reconciliations for details on the calculation of these measures to the extent presented herein.

67

Non-GAAP Reconciliations

(Amounts in thousands, except per share data)

	Quarters Ended   June 30,						Six Months Ended   June 30,
	2018			2017			2018			2017
Earnings Per Share
Net income	$	29,600		$	34,950		$	63,110		$	57,805
Net income applicable to non-vested restricted shares	(240		)	(336		)	(551		)	(570		)
Net income applicable to common shares	29,360			34,614			62,559			57,235
Adjustments to net income:
Delivering Excellence implementation costs	15,015			—			15,015			—
Tax effect of Delivering Excellence implementation costs	(3,754		)	—			(3,754		)	—
Acquisition and integration related expenses	—			1,174			—			19,739
Tax effect of acquisition and integration related expenses	—			(470		)	—			(7,896		)
Total adjustments to net income, net of tax	11,261			704			11,261			11,843
Net income applicable to common shares, adjusted(1)	$	40,621		$	35,318		$	73,820		$	69,078
Weighted-average common shares outstanding:
Weighted-average common shares outstanding (basic)	102,159			101,743			102,041			101,081
Dilutive effect of common stock equivalents	—			20			8			20
Weighted-average diluted common shares outstanding	102,159			101,763			102,049			101,101
Basic EPS	$	0.29		$	0.34		$	0.61		$	0.57
Diluted EPS	$	0.29		$	0.34		$	0.61		$	0.57
Diluted EPS, adjusted(1)	$	0.40		$	0.35		$	0.72		$	0.68
Return on Average Assets
Net income	$	29,600		$	34,950		$	63,110		$	57,805
Total adjustments to net income, net of tax	11,261			704			11,261			11,843
Net income, adjusted(1)	$	40,861		$	35,654		$	74,371		$	69,648
Average assets	$	14,605,715		$	13,960,843		$	14,397,540		$	13,817,779
Return on average assets(3)	0.81		%	1.00		%	0.88		%	0.84		%
Return on average assets, adjusted(1)(3)	1.12		%	1.02		%	1.04		%	1.02		%
Return on Average Common and Tangible Common Equity
Net income applicable to common shares	$	29,360		$	34,614		$	62,559		$	57,235
Intangibles amortization	1,794			2,163			3,596			4,128
Tax effect of intangibles amortization	(449		)	(865		)	(957		)	(1,651		)
Net income applicable to common shares, excluding intangibles amortization	30,705			35,912			65,198			59,712
Total adjustments to net income, net of tax	11,261			704			11,261			11,843
Net income applicable to common shares, excluding intangibles amortization, adjusted(1)	$	41,966		$	36,616		$	76,459		$	71,555
Average stockholders' common equity	$	1,890,727		$	1,830,536		1,882,121			$	1,797,222
Less: average intangible assets	(753,887		)	(753,521		)	(753,879		)	(752,063		)
Average tangible common equity	$	1,136,840		$	1,077,015		$	1,128,242		$	1,045,159
Return on average common equity(3)	6.23		%	7.58		%	6.70		%	6.42		%
Return on average common equity, adjusted(1)(3)	8.62		%	7.74		%	7.91		%	7.75		%
Return on average tangible common equity(3)	10.83		%	13.37		%	11.65		%	11.52		%
Return on average tangible common equity, adjusted(1)(3)	14.81		%	13.64		%	13.67		%	13.81		%
Note: Non-GAAP Reconciliations footnotes are located at the end of this section.

68

	As of
	June 30, 2018			December 31, 2017
Tangible Common Equity
Stockholders' equity	$	1,883,563		$	1,864,874
Less: goodwill and other intangible assets	(753,020		)	(754,757		)
Tangible common equity	1,130,543			1,110,117
Less: accumulated other comprehensive income ("AOCI")	64,400			33,036
Tangible common equity, excluding AOCI	$	1,194,943		$	1,143,153
Total assets	$	14,818,076		$	14,077,052
Less: goodwill and other intangible assets	(753,020		)	(754,757		)
Tangible assets	$	14,065,056		$	13,322,295
Risk-weighted assets	$	12,345,200		$	11,920,372
Tangible common equity to tangible assets	8.04		%	8.33		%
Tangible common equity, excluding AOCI, to tangible assets	8.50		%	8.58		%
Tangible common equity to risk-weighted assets	9.16		%	9.31		%

	Quarters Ended   June 30,						Six Months Ended   June 30,
	2018			2017			2018			2017
Efficiency Ratio Calculation
Noninterest expense	$	113,416		$	99,751		$	208,998		$	216,393
Less:
Net OREO expense	256			(1,631		)	(812		)	(3,331		)
Delivering Excellence implementation costs	(15,015		)	—			(15,015		)	—
Acquisition and integration related expenses	—			(1,174		)	—			(19,739		)
Total	$	98,657		$	96,946		$	193,171		$	193,323
Tax-equivalent net interest income(2)	$	128,442		$	119,625		$	247,980		$	236,876
Noninterest income	36,947			44,945			72,464			84,896
Less: net securities gains	—			(284		)	—			(284		)
Total	$	165,389		$	164,286		$	320,444		$	321,488
Efficiency ratio	59.65		%	59.01		%	60.28		%	60.13		%
Efficiency ratio (prior presentation)(4)	N/A			58.67		%	N/A			59.80		%
Note: Non-GAAP Reconciliations footnotes are located at the end of this section.

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Efficiency Ratio Calculation

(Dollar amounts in thousands)

	For the Years Ended December 31,
	2017			2016			2015			2014			2013
Efficiency Ratio
Noninterest expense	$	415,909		$	339,500		$	307,216		$	283,826		$	256,737
Less:
Net OREO expense	(4,683		)	(3,024		)	(5,281		)	(7,075		)	(8,547		)
Special bonus	(1,915		)	—			—			—			—
Charitable contribution	(1,600		)	—			—			—			—
Acquisition and integration related expenses	(20,123		)	(14,352		)	(1,389		)	(13,872		)	—
Lease cancellation fee	—			(950		)	—			—			—
Property valuation adjustments	—			—			(8,581		)	—			—
Total	$	387,588		$	321,174		$	291,965		$	262,879		$	248,190
Tax-equivalent net interest income(2)	$	479,965		$	358,334		$	322,277		$	288,589		$	272,429
Noninterest income	163,149			159,312			136,581			126,618			140,883
Less:
Net securities gains (losses)	1,876			(1,420		)	(2,373		)	(8,097		)	(34,164		)
Net gain on sale-leaseback transaction	—			(5,509		)	—			—			—
Gains on sales of properties	—			—			—			(3,954		)
Loss on early extinguishment of debt	—			—			—			2,059			—
Gain on termination of FHLB forward   commitments	—			—			—			—			(7,829		)
Total	$	644,990		$	510,717		$	456,485		$	405,215		$	371,319
Efficiency ratio	60.09		%	62.89		%	63.96		%	64.87		%	66.84		%
Efficiency ratio (prior presentation)(4)	59.73		%	62.59		%	63.57		%	64.57		%	64.19		%

Footnotes for non-GAAP reconciliations

⁽¹⁾  Adjustments to net income for each period presented are detailed in the EPS non-GAAP reconciliation above.

⁽²⁾  Presented on a tax-equivalent basis, assuming the applicable federal income tax rate for each period presented. As a result, interest income and yields on tax-exempt securities and loans subsequent to December 31, 2017 are presented using the current federal income tax rate of 21% and prior periods are computed using the federal income tax rate applicable at that time of 35%.

⁽³⁾  Annualized based on the actual number of days for each period presented.

⁽⁴⁾  Presented as calculated prior to March 31, 2018, which included a tax-equivalent adjustment for BOLI. Management believes that removing this adjustment from the current calculation of this metric enhances comparability for peer comparison purposes.

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ITEM 3. QUANTITATIVE AND QUALITATIVE

DISCLOSURES ABOUT MARKET RISK

Market risk is the risk of loss arising from adverse changes in the fair value of financial instruments due to changes in interest rates, exchange rates, and equity prices. Interest rate risk is our primary market risk and is the result of repricing, basis, and option risk. A description and analysis of our interest rate risk management policies is included in Part II, Item 7A, "Quantitative and Qualitative Disclosures about Market Risk," in our 2017 10-K.

We seek to achieve consistent growth in net interest income and net income while managing volatility that arises from shifts in interest rates. The Bank's Asset Liability Committee ("ALCO") oversees financial risk management by developing programs to measure and manage interest rate risks within authorized limits set by the Bank's Board of Directors. ALCO also approves the Bank's asset and liability management policies, oversees the formulation and implementation of strategies to improve balance sheet positioning and earnings, and reviews the Bank's interest rate sensitivity position. Management uses net interest income simulation modeling to analyze and capture exposure of earnings to changes in interest rates.

Net Interest Income Sensitivity

The analysis of net interest income sensitivity assesses the magnitude of changes in net interest income over a twelve-month measurement period resulting from immediate changes in interest rates using multiple rate scenarios. These scenarios include, but are not limited to, a flat or unchanged rate environment, immediate increases of 100, 200, and 300 basis points, and an immediate decrease of 100 basis points. Due to the low interest rate environment as of June 30, 2018 and December 31, 2017, management determined that an immediate decrease in interest rates greater than 100 basis points was not meaningful for this analysis.

This simulation analysis is based on expected future cash flows and repricing characteristics for balance sheet and off-balance sheet instruments and incorporates market-based assumptions regarding the effect of changing interest rates on the prepayment rates of certain assets and liabilities. In addition, this sensitivity analysis examines assets and liabilities at the beginning of the measurement period and does not assume any changes from growth or business plans over the next twelve months. Interest-earning assets and interest-bearing liabilities are assumed to re-price based on contractual terms over the twelve-month measurement period assuming an instantaneous parallel shift in interest rates in effect at the beginning of the measurement period. The simulation analysis also incorporates assumptions based on the historical behavior of deposit rates in relation to interest rates. Because these assumptions are inherently uncertain, the simulation analysis cannot definitively measure net interest income or predict the impact of the fluctuation in interest rates on net interest income, but does provide an indication of the Company's sensitivity to changes in interest rates. Actual results may differ from simulated results due to the timing, magnitude, and frequency of interest rate changes as well as changes in market conditions and management strategies.

The Company's current simulation analysis indicates we would benefit from rising interest rates. Interest-earning assets consist of short and long-term products. Excluding non-accrual loans, and including the impact of hedging certain corporate variable rate loans using interest rate swaps through which the Company receives fixed amounts and pays variable amounts, 49% of the loan portfolio consisted of fixed rate loans and 51% were floating rate loans as of June 30, 2018, consistent with December 31, 2017. See Note 9 of "Notes to the CondensedConsolidated Financial Statements" in Part I, Item 1 of this Form 10-Q for additional detail regarding interest rate swaps.

As of June 30, 2018, investments, consisting of securities and interest-bearing deposits in other banks, are more heavily weighted toward fixed rate securities at 92% of the total compared to 8% for floating rate interest-bearing deposits in other banks. This compares to investments comprising 93% of fixed rate securities and 7% of floating rate interest-bearing deposits in other banks as of December 31, 2017. Fixed rate loans are most sensitive to the 3-5 year portion of the yield curve and the Bank limits its loans with maturities that extend beyond 5 years. The majority of floating rate loans are indexed to the short-term LIBOR or Prime rates. The amount of floating rate loans with active interest rate floors was $9.0 million, less than 1% of the floating rate loan portfolio, as of June 30, 2018, compared to $60.0 million, or 1% of the floating rate loan portfolio, as of December 31, 2017. On the liability side of the balance sheet, 83% of deposits as of both June 30, 2018 and December 31, 2017 are demand deposits or interest-bearing core deposits, which either do not pay interest or the interest rates are expected to rise at a slower pace than short-term interest rates.

71

Analysis of Net Interest Income Sensitivity

(Dollar amounts in thousands)

	Immediate Change in Rates
	+300			+200			+100			-100
As of June 30, 2018
Dollar change	$	74,655		$	45,758		$	23,435		$	(50,182	)
Percent change	14.1		%	8.7		%	4.4		%	(9.5		)%
As of December 31, 2017
Dollar change	$	70,999		$	44,733		$	33,099		$	(44,579	)
Percent change	14.8		%	9.3		%	6.9		%	(9.3		)%

The sensitivity of estimated net interest income to an instantaneous parallel shift in interest rates is reflected as both dollar and percentage changes. This table illustrates that an instantaneous 200 basis point rise in interest rates as of June 30, 2018 would increase net interest income by $45.8 million, or 8.7%, over the next twelve months compared to no change in interest rates. This same measure was $44.7 million, or 9.3%, as of December 31, 2017.

Overall, positive interest rate risk volatility as of June 30, 2018 decreased modestly compared to December 31, 2017. This decrease was driven primarily by higher interest rates, partially offset by continued growth in floating rate loans funded with time deposits and fixed rate FHLB advances.

ITEM 4. CONTROLS AND PROCEDURES

As of the end of the period covered by this report, (the "Evaluation Date"), the Company carried out an evaluation, under the supervision and with the participation of the Company's management, including the Company's Chairman of the Board, President and Chief Executive Officer and its Executive Vice President and Chief Financial Officer, of the effectiveness of the design and operation of our disclosure controls and procedures pursuant to Rules 13a-15(e) and 15d-15 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"). Based on that evaluation, the Chairman of the Board, President and Chief Executive Officer and Executive Vice President and Chief Financial Officer concluded that as of the Evaluation Date, the Company's disclosure controls and procedures are effective to ensure that information required to be disclosed by the Company in reports that it files or submits under the Exchange Act is recorded, processed, summarized, and reported within the time periods specified in SEC rules and forms. There were no changes in the Company's internal control over financial reporting during the most recent fiscal quarter that have materially affected, or are reasonably likely to materially affect, the Company's internal control over financial reporting.

PART II. OTHER INFORMATION

ITEM 1. LEGAL PROCEEDINGS

In the ordinary course of business, there were certain legal proceedings pending against the Company and its subsidiaries at June 30, 2018. While the outcome of any legal proceeding is inherently uncertain, based on information currently available, the Company's management does not expect that any liabilities arising from pending legal matters will have a material adverse effect on the Company's business, financial condition, results of operations, or cash flows.

ITEM 1A. RISK FACTORS

The Company provided a discussion of certain risks and uncertainties faced by the Company in the section entitled "Risk Factors" in its 2017 10-K. These risks and uncertainties are not exhaustive. Additional risks and uncertainties are discussed in the section entitled "Management's Discussion and Analysis of Financial Condition and Results of Operations" in this report, our 2017 10-K, and our other filings made with the SEC, as well as in other sections of such reports.

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ITEM 2. UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS

The following table summarizes the Company's monthly common stock purchases during the second quarter of 2018. The Board approved a stock repurchase program on November 27, 2007. Up to 2.5 million shares of the Company's common stock may be repurchased, and the total remaining authorization under the program was 2,487,947 shares as of June 30, 2018. The repurchase program has no set expiration or termination date.

Issuer Purchases of Equity Securities

	Total Number of Shares Purchased(1)	Average Price Paid per Share		Total Number of Shares Purchased as Part of a Publicly Announced Plan or Program	Maximum Number of Shares that May Yet Be Purchased Under the Plan or Program
April 1 - April 30, 2018	2,562	$	24.81	—	2,487,947
May 1 - May 31, 2018	592	25.72		—	2,487,947
June 1 - June 30, 2018	279	26.58		—	2,487,947
Total	3,433	$	25.11	—

⁽¹⁾  Consists of shares acquired pursuant to the Company's share-based compensation plans and not the Company's Board-approved stock repurchase program. Under the terms of the Company's share-based compensation plans, the Company accepts previously owned shares of common stock surrendered to satisfy tax withholding obligations associated with the vesting of restricted stock.

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ITEM 6. EXHIBITS

Exhibit Number	Description of Documents
10.1(1)	Employment Agreement, dated as of June 18, 2018, between the Company and its Chief Executive Officer.
10.2	Confidentiality and Restrictive Covenants Agreement, dated as of June 18, 2018, between the Company and its Chief Executive Officer.
10.3(1)	First Midwest Bancorp, Inc. 2018 Stock and Incentive Plan is incorporated herein by reference to Exhibit 10.1 to the Company's Current Report on Form 8-K filed with the Securities and Exchange Commission on May 17, 2018.
11	Statement re: Computation of Per Share Earnings – The computation of basic and diluted earnings per common share is included in Note 8 of the Company's Notes to the Condensed Consolidated Financial Statements included in "ITEM 1. FINANCIAL STATEMENTS" of this document.
31.1	Certification of Chief Executive Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
31.2	Certification of Chief Financial Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
32.1(2)	Certification of Chief Executive Officer pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
32.2(2)	Certification of Chief Financial Officer pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
101	Interactive Data File.

⁽¹⁾  Management contract or compensatory plan or arrangement.

⁽²⁾  Furnished, not filed.

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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.

                      First Midwest Bancorp, Inc.

                         /s/ PATRICK S. BARRETT

                               Patrick S. Barrett

    Executive Vice President and Chief Financial Officer*

Date: August 7, 2018

* Duly authorized to sign on behalf of the registrant.

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EX-10.1

EMPLOYMENT AGREEMENT

THIS EMPLOYMENT AGREEMENT (this “Agreement”) is made by and between FIRST MIDWEST BANCORP, INC. (“Company”) and MICHAEL L. SCUDDER (“Executive”), effective as of June 18, 2018 (“Effective Date”).

WITNESSETH:

WHEREAS, the Company is desirous of continuing Executive’s employment as President and Chief Executive Officer of the Company and as Chief Executive Officer of its wholly owned subsidiary, FIRST MIDWEST BANK (the “Bank”), on the terms and conditions and for the consideration hereinafter set forth, and Executive is desirous of continuing such employment on such terms and conditions and for such consideration;

WHEREAS, references herein to Executive’s employment by the Company, the Bank or another subsidiary, and references herein to payments of any nature to be made to Executive shall mean that either the Company will make such payments or it will cause the Bank or another applicable subsidiary (reference to “Employer” hereinafter shall mean the Company, the Bank or another subsidiary by which Executive is employed) to make such payments to Executive:

NOW, THEREFORE, for and in consideration of the mutual promises, covenants and obligations contained herein, Company and Executive agree as follows:

1.Employment, Positions and Term.

(a)Employment and Position. The Employer shall continue to employ the Executive as the President and Chief Executive Officer of the Company, and as the Chief Executive Officer of the Bank, and the Executive shall so serve, for the term set forth in Paragraph 1(b). Executive shall continue to be a member of, and serve as Chairman of the Board of Directors of the Company and of, the Bank.

(b)Term. The term of the Executive’s employment under this Agreement shall commence on the Effective Date and end on June 17, 2020, subject to the extension of such term as hereinafter provided and subject to earlier termination as provided in Paragraph 7 (the “period of employment”). The term of this Agreement shall be extended automatically for two (2) additional years as of the second anniversary of the Effective Date and each second anniversary date thereof unless, no later than ninety (90) days prior to any such renewal date (i) the Company or Employer gives written notice to the Executive, as by either the Board of Directors of the Company, or a duly authorized committee thereof (the “Board”), or (ii) the Executive gives written notice to the Employer, in accordance with Paragraph 14, that the term of this Agreement shall not be so extended. Anything in this Agreement to the contrary, if at any time during the Executive’s period of employment under this Agreement there is a Change in Control (as defined in Paragraph 7), the term of this Agreement shall automatically extend to a date which is three (3) years from the date of the Change in Control (and shall be further extended pursuant to the foregoing provisions of this Paragraph 1(b), unless written notice to the contrary is given in accordance with this Paragraph 1(b)).

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2.Duties and Responsibilities.

(a)The duties and responsibilities of Executive are and shall continue to be of an executive nature as shall be required by the Employer in the conduct of its business. Executive’s powers and authority shall be as may be prescribed by the by-laws of the Employer and those customarily performed by the Chief Executive Officer, including, but not limited to, those of the Chief Executive Officer of a public company. Executive recognizes that during the period of employment hereunder, Executive owes an undivided duty of loyalty to the Employer, and agrees to devote his entire business time and attention to the performance of said duties and responsibilities. Recognizing and acknowledging that it is essential for the protection and enhancement of the name and business of the Employer and the goodwill pertaining thereto, the Executive shall perform the duties under this Agreement professionally, in accordance with the applicable laws, rules and regulations and such standards, policies and procedures established by the Employer and the industry from time to time, including the Employer’s Corporate Code of Ethics and Standards of Conduct and, if applicable, Code of Ethics for Senior Financial Officers. Executive will not perform any duties for any other business without the prior written consent of the Employer, and may engage in charitable, civic or community activities, provided that such duties or activities do not materially interfere with the proper performance of his duties under this Agreement.

(b)Notwithstanding anything herein to the contrary, Executive’s employment may be terminated by the Employer, subject to the terms and conditions of this Agreement. Executive shall be deemed to have voluntarily resigned from the Board and from the Board of the Bank, without any further action required, upon termination of Executive’s employment with the Employer.

3.Base Salary. For services performed by the Executive for the Employer pursuant to this Agreement, the Employer shall pay the Executive a base salary at the rate of eight hundred fifty thousand dollars ($850,000) per year (“Base Salary”) payable in substantially equal installments in accordance with the Employer’s regular payroll practices. Executive’s Base Salary shall be subject to review annually and the Employer may (but is not required to) increase the Base Salary as the Board or a committee thereof, in its discretion, may authorize or determine, which increased amount, if any, shall become the “Base Salary” hereunder. Notwithstanding the foregoing, prior to a Change in Control the Employer may reduce Executive’s Base Salary as part of an across-the-board reduction in base salaries for all Company executive officers (an “Across-the-Board Reduction”) or as part of a change in the mix of Executive’s Base Salary, Target Bonus and Target LTI (the aggregate of the Base Salary, Target Bonus and Target LTI, the Executive’s “Total Aggregate Direct Compensation”) as part of an across-the-board change in mix for all Company executive officers. For the avoidance of doubt, any percentage reduction in Executive’s Base Salary as part of an Across-the-Board Reduction shall never be greater than the percentage reduction applicable to other executive officers, for the same period as the reduction in other executive officers’ salaries and, in the event such reduction is later mitigated for other executive officers, Executive’s reduction shall then be mitigated to the same extent applicable to other executive officers.

4.Annual Bonuses. For each fiscal year during the term of employment, the Executive shall be eligible to receive a bonus pursuant to the First Midwest Bancorp, Inc. Short Term Incentive Compensation Plan or any successor or replacement plan (“STIC”), in accordance with the terms of such Plan, as adopted and administered by the Board for senior executives of the Employer, as such plan may be amended from time to time by the Board in its discretion. Executive’s annual

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target bonus amount shall be not less than 85% of Base Salary (“Target Bonus”), subject to review annually and the Employer may (but is not required to) increase the Target Bonus as the Board or a committee thereof, in its discretion, may authorize or determine, which increased amount, if any, shall become the “Target Bonus” hereunder. Notwithstanding the foregoing, prior to a Change in Control, Employer may decrease Executive’s Target Bonus as a result of (a) an Across-the-Board Reduction in the compensation of the Employer’s executive officers, or (b) as a change in mix of the Executive’s compensation, so long as such change in mix does not result in a reduction in the Executive’s Total Aggregate Direct Compensation. For the avoidance of doubt, any percentage reduction in Executive’s Target Bonus shall never be greater than the percentage reduction applicable to other executive officers, for the same period as the reduction in other executive officers’ target bonuses and, in the event such reduction is later mitigated for other executive officers, Executive’s reduction shall then be mitigated to the same extent applicable to other executive officers.

5.Long-Term and Equity Incentive Compensation. During the term of employment hereunder, the Executive shall be eligible to participate in the First Midwest Bancorp, Inc. Omnibus Stock and Incentive Plan, the First Midwest Bancorp, Inc. 2018 Stock and Incentive Plan and in any other long-term and/or equity-based incentive compensation plan or program approved by the Board from time to time and receive performance shares, restricted stock or other awards as may be granted thereunder (“LTIC”). Executive’s aggregate annual target award opportunity shall be not less than 170% of Base Salary (“Target LTI”), subject to review annually and the Employer may (but is not required to) increase the Target LTI as the Board or a committee thereof, in its discretion, may authorize or determine, which increased amount, if any, shall become the “Target LTI” hereunder. Notwithstanding the foregoing, prior to a Change in Control, Employer may decrease Executive’s Target LTI as a result of (a) an Across-the-Board Reduction in the compensation of the Employer’s executive officers, or (b) as a change in mix of the Executive’s compensation, so long as such change in mix does not result in a reduction in the Executive’s Total Aggregate Direct Compensation. For the avoidance of doubt, any percentage reduction in Executive’s Target LTI shall never be greater than the percentage reduction applicable to other executive officers, for the same period as the reduction in such targets for other executive officers and, in the event such reduction is later mitigated for other executive officers, Executive’s reduction shall then be mitigated to the same extent applicable to other executive officers.

6.Other Benefits. In addition to the compensation described in Paragraphs 3, 4 and 5, above, the Executive shall also be entitled to the following:

(a)Participation in Benefit Plans. The Executive shall be entitled to participate in all of the various retirement, welfare, fringe benefit, perquisites and expense reimbursement plans, programs and arrangements of the Employer in which the Executive participated as of the Effective Date, as may be changed from time to time.

(b)Vacation. The Executive shall be entitled to such number of days of vacation with pay during each calendar year during the period of employment in accordance with the Employer’s applicable personnel policy as in effect from time to time.

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(c)Post-Employment of Health Benefits. Following termination of employment for any reason other than by the Employer for Cause, Executive shall be entitled to maintain health benefits coverage for himself, his spouse and age-eligible dependents (and his spouse shall be entitled to maintain such coverage for herself and such eligible dependents in the event of Executive’s death) on the same basis as if Executive’s full-time employment continued until Executive and his spouse are eligible for Medicare coverage and Executive’s dependents are no longer age-eligible for coverage under the Company’s group health insurance policy, provided that Executive (or his spouse) pays the premium for such coverage on the same cost-sharing basis applicable to full-time active employees.

7.Termination. Unless earlier terminated in accordance with the following provisions of this Paragraph 7, the Employer shall continue to employ the Executive and the Executive shall remain employed by the Employer during the entire term of this Agreement as set forth in Paragraph 1(b). Paragraph 8 hereof sets forth certain obligations of the Employer in the event that the Executive’s employment hereunder is terminated. Certain capitalized terms used in this Paragraph 7 and in Paragraph 8 hereof are defined in Paragraph 7(d), below.

(a)Death or Disability. Except to the extent otherwise provided in Paragraph 8 with respect to certain post-Date of Termination (as defined below) payment obligations of the Employer, this Agreement shall terminate immediately as of the Date of Termination in the event of the Executive’s death or in the event that the Executive becomes disabled. The Executive will be deemed to be disabled upon the first to occur of (i) the end of a six (6)-consecutive month period, or the end of an aggregate period of nine (9) months out of any consecutive twelve (12) months, during which, by reason of physical or mental injury or disease, the Executive has been unable to perform substantially all of his usual and customary duties under this Agreement or (ii) the date that a reputable physician acceptable to the Employer determines in writing that the Executive will, by reason of physical or mental injury or disease, be unable to perform substantially all of the Executive’s usual and customary duties under this Agreement for a period of at least six (6) consecutive months. If any question arises as to whether the Executive is disabled, upon reasonable request therefor by the Board, the Executive shall submit to reasonable examination by a physician for the purpose of determining the existence, nature and extent of any such disability. The Board shall promptly provide the Executive with written notice of the results of any such determination of disability and of any decision of the Board to terminate the Executive’s employment by reason thereof. In the event of disability, until the Date of Termination, the base salary payable to the Executive under Paragraph 3 hereof shall be reduced dollar-for-dollar by the amount of disability benefits, if any, paid to the Executive in accordance with any disability policy or program of the Employer.

(b)Discharge for Cause. In accordance with the procedures hereinafter set forth, the Employer may terminate the Executive’s employment hereunder for Cause. Except to the extent otherwise provided in Paragraph 8 with respect to certain post-Date of Termination obligations of the Employer, this Agreement shall terminate immediately as of the Date of Termination in the event the Executive is terminated for Cause. Any termination of the Executive for Cause shall be communicated by a Notice of Termination to the Executive given in accordance with Paragraph 14 of this Agreement.

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(c)Termination without Cause; Resignation with or without Good Reason. The Employer may terminate the Executive’s employment without Cause by giving written notice to the Executive in accordance with Paragraph 14 at least thirty (30) days prior to the Date of Termination. The Executive may resign from employment with or without Good Reason. To resign without Good Reason, Executive shall give written notice to the Employer in accordance with Paragraph 14, at least thirty (30) days prior to the Date of Termination. To resign with Good Reason, the Executive shall provide written notice of the occurrence of an event constituting Good Reason and Executive’s resignation in accordance with the procedures and time periods set forth in Paragraph 7(d)(v) below. Except to the extent otherwise provided in Paragraph 8 with respect to certain post-Date of Termination obligations of the Employer, this Agreement shall terminate immediately as of the Date of Termination in the event the Executive is terminated without Cause or resigns for any reason or no reason.

(d)Definitions. For purposes of this Agreement, the following capitalized terms shall have the meanings set forth below:

(i)“Accrued Obligations” shall mean, as of the Date of Termination, the sum of (A) Executive’s Base Salary under Paragraph 3 through the Date of Termination to the extent not theretofore paid, (B) the amount of any other cash compensation earned by the Executive as of the Date of Termination to the extent not theretofore paid, (C) any vacation pay, expense reimbursements and other cash payments to which the Executive is entitled as of the Date of Termination to the extent not theretofore paid, (D) any grants and awards earned and vested under the terms of the STIC, LTIC or any incentive compensation plan or program, (E) the right to maintain post-employment health coverage under Paragraph 6(c), and (F) all other benefits which have accrued and are vested as of the Date of Termination. For the purpose of this Paragraph 7(d)(i), except as provided in the applicable plan, program or policy, amounts shall be deemed to accrue ratably over the period during which they are earned, but no discretionary compensation shall be deemed earned or accrued until it is specifically approved in accordance with the applicable plan, program or policy.

(ii)“Cause” shall mean (A) the Executive’s willful and continued (for a period of not less than fifteen (15) days after written notice thereof) failure to perform substantially the duties of his employment (other than as a result of physical or mental incapacity, or while on vacation); or (B) the Executive’s willfully engaging in illegal conduct, an act of dishonesty or gross misconduct related to the performance of Executive’s duties and responsibilities under the Agreement; or (C) the Executive’s conviction of a crime involving moral turpitude, dishonesty, fraud, theft or financial impropriety, but specifically excluding any conviction based entirely on vicarious liability (with “vicarious liability” meaning liability based on acts of the Employer for which the Executive is charged solely as a result of his position with the Employer and in which Executive was not directly involved and did not have prior knowledge of such actions or intended actions); or (D) the Executive’s willful violation of a material requirement of any code of ethics or standards of conduct of the Employer applicable to Executive or Executive’s fiduciary duty to the Employer; provided, however, that no act or failure to act, on the part of the Executive, shall be considered “willful” unless it is done, or omitted to be done, by the Executive in bad faith or without reasonable belief that the Executive’s action or omission was in the best interests

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of the Employer; and provided further that no act or omission by the Executive shall constitute Cause hereunder unless the Employer has given detailed written notice thereof to the Executive, and the Executive has failed to remedy such act or omission within fifteen (15) days of receipt of such written notice.

(iii)“Change in Control” shall mean:

(A)Any “person” (as such term is used in Sections 13(d) and 14(d) of the Securities Exchange Act of 1934, as amended), other than (i) a trustee or other fiduciary holding securities under an employee benefit plan of the Company or a subsidiary, or (ii) a corporation owned directly or indirectly by the stockholders of the Company in substantially the same proportions as their ownership of stock of the Company, is or becomes the “beneficial owner” (as defined in Rule 13d-3 under said Act), directly or indirectly, of securities of the Company representing 25% or more of the total voting power of the then outstanding shares of capital stock of the Company entitled to vote generally in the election of directors (the “Voting Stock”); provided, however, that the following shall not constitute a Change in Control: (A) such person becomes a beneficial owner of 25% of more of the Voting Stock as the result of an acquisition of such stock directly from the Company, or (B) such person becomes a beneficial owner of 25% or more of the Voting Stock as a result of the decrease in the number of outstanding shares caused by the repurchase of shares by the Company, or (C) such person becomes a beneficial owner of 25% or more of the Voting Stock without any plan or intention to seek or affect control of the Company, if such person promptly enters into an irrevocable commitment promptly to divest, and thereafter promptly divests, such shares of Voting Stock so that such person ceases to beneficially own 25% or more of the Voting Stock; provided, further, that in the event a person described in clause (A) or (B) shall thereafter increase (other than in circumstances described in clause (A) or (B)) beneficial ownership of stock representing more than 1% of the Voting Stock, such person shall then be deemed to become a beneficial owner of 25% or more of the Voting Stock for purposes of this paragraph (a), provided such person continues to beneficially own 25% or more of the Voting Stock after such subsequent increase in beneficial ownership, or

(B)During any period of two consecutive years, individuals, who at the beginning of such period constitute the Board, and any new director, whose election by the Board or nomination for election by the Company’s stockholders was approved by a vote of at least two-thirds of the directors then still in office who either were directors at the beginning of the period or whose election or nomination for election was previously so approved, cease for any reason to constitute a majority thereof,

(C)The consummation of, a reorganization, merger or consolidation, the sale or other disposition of all or substantially all of the assets, or a similar transaction or series of transactions involving the Company (a “Business Combination”) in each case, unless (1) all or substantially all of the individuals and entities who were the beneficial owners, respectively, of the Voting Stock

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immediately prior to such Business Combination beneficially own, directly or indirectly, more than 50% of the total voting power represented by the voting securities entitled to vote generally in the election of directors of the Company or the corporation resulting from the Business Combination (including, without limitation, a corporation which as a result of the Business Combination owns the Company or all or substantially all of the Company’s assets either directly or through one or more subsidiaries), in substantially the same proportions as their ownership immediately prior to the Business Combination of the Voting Stock of the Company, and (2) at least a majority of the members of the board of directors of the Company or such corporation resulting from the Business Combination were members of the Board at the time of the execution of the initial agreement, or action of the Board, providing for such Business Combination; or

(D)the stockholders of the Company approve a plan of complete liquidation or dissolution of the Company.

The Board has final authority to construe and interpret the provisions of the foregoing paragraphs (A), (B), (C) and (D) and to determine the exact date on which a Change in Control has been deemed to have occurred thereunder.

(iv)“Date of Termination” shall mean (A) in the event of a discharge of the Executive for Cause, the date the Executive receives a Notice of Termination, or any later date specified in such Notice of Termination, as the case may be, (B) in the event of a discharge of the Executive without Cause or a resignation by the Executive, the date specified in the written notice to the Executive (in the case of discharge) or the Employer (in the case of resignation), which date shall be no less than thirty (30) days from the date of such written notice, (C) in the event of the Executive’s death, the date of the Executive’s death, and (D) in the event of termination of the Executive’s employment by reason of disability pursuant to Paragraph 7(a), the date the Executive (or Executive’s legal representative) receives written notice of such termination.

(v)“Good Reason” shall mean the occurrence of any event, other than in connection with a termination of Executive’s employment, which results in a material diminution of Executive’s status, duties, authority, responsibilities or compensation from those contemplated by this Agreement, including, without limitation, any of the following actions without the Executive’s written consent (which, for this purpose, will not include consent given in Executive’s capacity as a director, officer or employee of an Employer): (A) removal from or failure to elect the Executive to the positions set forth in Paragraph 1(a), other than removal from the position of Chairman of the Board, following the Board’s reasonable determination that the roles of Chairman and Chief Executive Officer should not be held by the same individual, so long as Executive remains a member of the Board and in the other positions set forth in Paragraph 1(a); or (B) a material diminution in the nature or scope of the Executive’s titles, duties, powers, authority or reporting relationships, from those contemplated in Paragraphs 1(a) and 2(a), such that such titles, duties, authority or reporting relationships are inconsistent with, and commonly (in the banking industry) considered to be of lesser authority, status or responsibility; or (C) a material reduction in the Executive’s Base Salary, Target Bonus, or Target LTI, other than as a result of (1) an

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Across-the-Board Reduction which occurs prior to a Change in Control, or (2) a change in mix of the Executive’s compensation which occurs prior to a Change in Control and that does not result in a material reduction in the Executive’s Total Aggregate Direct Compensation, or (D) any material failure by the Employer to comply with any of the provisions of this Agreement; or (E) the Employer gives notice to the Executive pursuant to Paragraph 1(b) that the term of this Agreement shall not be extended upon the expiration of the then-current term; or (F) the Employer requires the Executive to be based at an office or location which is more than 35 miles from the Executive’s office as of the Effective Date or any renewal date of this Agreement; provided,however, that an event shall not constitute Good Reason unless the Executive gives Employer written notice of such event within ninety (90) days of the initial existence of an event and Employer fails to cure such circumstance within the thirty (30) day period following Employer’s receipt of such written notice, and Executive serves a Notice of Termination within ninety (90) days of the completion of the Employer’s cure period. In the event of a Change in Control, any good faith determination by the Executive that Good Reason exists shall be conclusive.

(vi)“Notice of Termination” shall mean a written notice which (A) indicates the specific termination provision in this Agreement relied upon, (B) sets forth in reasonable detail the facts and circumstances claimed to provide a basis for termination of the Executive’s employment under the provision so indicated and (C) if the Date of Termination is to be other than the date of receipt of such notice or the date otherwise specified on this Agreement, specifies the termination date.

8.Obligations of the Employer Upon Termination. The following provisions describe the post-Date of Termination obligations of the Employer to the Executive under this Agreement upon the termination of Executive’s employment and the Agreement. However, except as explicitly provided in this Agreement, nothing in this Agreement shall limit or otherwise adversely affect any rights which the Executive may have under applicable law, under any other agreement with the Employer or any of its subsidiaries, or under any compensation or benefit plan, program, policy or practice of the Employer or any of its subsidiaries.

(a)Death, Disability, Discharge for Cause, or Resignation Without Good Reason. In the event the Executive’s employment and this Agreement terminate pursuant to Paragraph 7(a) by reason of the death or disability of the Executive, or pursuant to Paragraph 7(b) by reason of the termination of the Executive by the Employer for Cause, or pursuant to Paragraph 7(c) by reason of the resignation of the Executive other than for Good Reason, the Employer shall pay to the Executive, or his heirs or estate, in the event of the Executive’s death, all Accrued Obligations in a lump sum in cash within thirty (30) days after the Date of Termination; provided, however, that any portion of the Accrued Obligations which consists of bonus, deferred compensation, incentive compensation, insurance benefits or other employee benefits shall be determined and paid in accordance with the terms of the relevant plan or policy as applicable to the Executive, including, where applicable, the forfeiture of such amounts upon a termination for Cause.

(b)Discharge Without Cause or Resignation with Good Reason. In the event the Executive’s employment and this Agreement terminate pursuant to Paragraph 7(c) by reason of the termination of the Executive by the Employer other than for Cause or disability, or by reason of the resignation of the Executive for Good Reason:

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(i)The Employer shall pay all Accrued Obligations to the Executive in a lump sum in cash within thirty (30) days after the Date of Termination; provided, however, that any portion of the Accrued Obligations which consists of bonus, deferred compensation, incentive compensation, insurance benefits or other employee benefits shall be determined and paid in accordance with the terms of the relevant plan or policy as applicable to the Executive;

(ii)The Employer shall pay to the Executive any STIC bonus earned but not yet paid from the year preceding the year during which termination occurs (“Prior Year Bonus”);

(iii)The Employer shall pay to the Executive a STIC bonus for the year during which termination occurs, calculated as the greater of: (1) the pro-rata portion of his then current annual target Bonus amount based on the number of days elapsed during the year through the Date of Termination, or (2) the pro-rata portion of the actual annual bonus amount earned based on the number of days elapsed during the year through the Date of Termination, in either event paid when the bonus otherwise would have been paid pursuant to the terms of the STIC plan; and

(iv)The Employer shall pay to the Executive an amount equal to two (2) times the sum of his Base Salary and Target Bonus as in effect under Paragraphs 3 and 4, which amount shall be payable in substantially equal installments in accordance with the Employer’s regular payroll practices, for a period of twenty-four (24) months (the “Severance Period”).

(c)Effect of Change in Control. In the event that a Change in Control occurs and this Agreement thereafter terminates within two (2) years pursuant to Paragraph 7(c) by reason of the discharge of the Executive by the Employer other than for Cause or disability or by reason of the resignation of the Executive for Good Reason:

(i)The Employer shall pay all Accrued Obligations to the Executive in a lump sum in cash within thirty (30) days after the Date of Termination; provided, however, that any portion of the Accrued Obligations which consists of bonus, deferred compensation, incentive compensation, insurance benefits or other employee benefits shall be determined and paid in accordance with the terms of the relevant plan or policy as applicable to the Executive;

(ii)The Employer shall pay any Prior Year Bonus to the Executive;

(iii)Within thirty (30) days after the Date of Termination, the Employer shall pay to the Executive a STIC bonus for the year during which termination occurs, calculated as a pro-rata portion of his then current Target Annual Bonus amount based on the number of days elapsed during the year through the Date of Termination;

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(iv)The Employer shall pay to the Executive an amount equal to three (3) times the sum of the following:

(A)the amount of Executive’s Base Salary in effect under Paragraph 3 determined as of the Date of Termination, or the date immediately preceding the date of the Change in Control, whichever is greater; plus

(B)the Executive’s Target Bonus in effect under Paragraph 4 for the calendar year in which Change in Control or the Date of Termination occurs, whichever is greater,

which amount shall be payable in a lump sum payment within thirty (30) days after the Date of Termination (or, in the event the Change in Control is not a change in ownership or effective control under Code Section 409A, in substantially equal installments in accordance with the Employer’s regular payroll practice over a period of twenty-four (24) months).

Notwithstanding the foregoing, if a Change in Control occurs and this Agreement is terminated prior to the Change in Control pursuant to Paragraph 7(c) by reason of the discharge of the Executive by the Employer other than for Cause or disability, or by reason of the resignation of the Executive for Good Reason, then Executive shall be deemed for purposes of this Paragraph 8(c) to have so terminated pursuant to Paragraph 7(c) immediately following the date the Change in Control occurs if it is reasonably demonstrated by Executive that such earlier termination was (i) at the request of a third party who had taken steps reasonably calculated to effect the Change in Control, or (ii) otherwise arose, or the circumstances that precipitated the termination otherwise arose, in connection with or in anticipation of the Change in Control.

(d)Effect on Other Amounts. The payments provided for in this Paragraph 8 shall be, in addition to all other sums then payable and owing to Executive, subject to applicable federal and state income and other withholding taxes and shall be in full settlement and satisfaction of all of Executive’s claims and demands. Upon such termination of this Agreement, other than as provided in Paragraph 26, Employer shall have no rights or obligations under this Agreement, other than its obligations under this Paragraph 8, and Executive shall have no rights and obligations under this Agreement, other than Executive’s obligations under Paragraph 12 hereof.

(e)Conditions. Any payments of benefits made or provided pursuant to this Paragraph 8 are subject to the Executive’s:

(i)reaffirmation of and compliance with Executive’s obligations under Paragraph 12 hereof;

(ii)delivery to the Employer of an executed Release and Severance Agreement, which shall be substantially in the form attached hereto as Exhibit A, with such changes therein or additions thereto as needed under then applicable law to give effect to its intent and purpose; and

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(iii)delivery to the Employer of a resignation from all offices, directorships and fiduciary positions with the Employer, its affiliates and employee benefit plans.

Notwithstanding the due date of any post-employment payments, any amounts due under this Paragraph 8 shall not be due until after the expiration of any revocation period applicable to the Release and Severance Agreement.

9.Section 280G Matters.

(a)Anything in this Agreement to the contrary notwithstanding, in the event that the Accounting Firm (as defined below) shall determine that receipt of all Payments (as defined below) would subject the Executive to the excise tax under Section 4999 of the Code, the Accounting Firm shall determine whether to reduce any of the Payments paid or payable pursuant to this Agreement (the “Agreement Payments”) so that the Parachute Value (as defined below) of all Payments, in the aggregate, equals the Safe Harbor Amount (as defined below). The Agreement Payments shall be so reduced only if the Accounting Firm determines that the Executive would have a greater Net After-Tax Receipt (as defined below) of aggregate Payments if the Agreement Payments were so reduced. If the Accounting Firm determines that the Executive would not have a greater Net After-Tax Receipt of aggregate Payments if the Agreement Payments were so reduced, the Executive shall receive all Agreement Payments to which the Executive is entitled hereunder. For purposes of all present-value determinations required to be made under this Paragraph 9, Employer and the Executive elect to use the applicable federal rate that is in effect on the Effective Date pursuant to Treasury Regulations § 1-280G, Q&A-32.

(b)If the Accounting Firm determines that aggregate Agreement Payments should be reduced so that the Parachute Value of all Payments, in the aggregate, equals the Safe Harbor Amount, Employer shall promptly give the Executive notice to that effect and a copy of the detailed calculation thereof. All determinations made by the Accounting Firm under this Paragraph 9 shall be binding upon Employer and the Executive and shall be made as soon as reasonably practicable and in no event later than five (5) days following the Effective Date. For purposes of reducing the Agreement Payments so that the Parachute Value of all Payments, in the aggregate, equals the Safe Harbor Amount, only amounts payable under this Agreement (and no other Payments) shall be reduced. All reasonable fees and expenses of the Accounting Firm shall be borne solely by Employer.

(c)As a result of the uncertainty in the application of Section 4999 of the Code at the time of the initial determination by the Accounting Firm hereunder, it is possible that amounts will have been paid or distributed by Employer to or for the benefit of the Executive pursuant to this Agreement that should not have been so paid or distributed (each, an “Overpayment”) or that additional amounts that will have not been paid or distributed by Employer to or for the benefit of the Executive pursuant to this Agreement could have been so paid or distributed (each, an “Underpayment”). In the event that the Accounting Firm, based upon the assertion of a deficiency by the Internal Revenue Service against Employer or the Executive that the Accounting Firm believes has a high probability of success determines that an Overpayment has been made, any such Overpayment paid or distributed by Employer to or for the benefit of the Executive shall be repaid by the Executive to Employer together with interest at the applicable federal rate provided for in

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Section 7872(f)(2) of the Code; provided, however, that no such repayment shall be required if and to the extent such deemed repayment would not either reduce the amount on which the Executive is subject to tax under Section 1 and Section 4999 of the Code or generate a refund of such taxes. In the event that the Accounting Firm, based upon controlling precedent or substantial authority, determines that an Underpayment has occurred, any such Underpayment shall be promptly paid by Employer to or for the benefit of the Executive together with interest at the applicable federal rate provided for in Section 7872(f)(2) of the Code.

(d)Prior to the Effective Date, Employer shall cooperate with the Executive in good faith in valuing, and the Accounting Firm shall take into account the value of, services provided or to be provided by the Executive (including, without limitation, any agreement by which Executive has agreed to refrain from performing services for other entities), such that payments in respect of such services may be considered reasonable compensation within the meaning of Q&A-9 and Q&A-40 to Q&A-44 of the final regulations under Section 280G of the Code and/or exempt from the definition of the term “parachute payment” within the meaning of Q&A-2(a) of the final regulations under Section 280G of the Code in accordance with Q&A-5(a) of the final regulations under Section 280G of the Code.

(e)For purposes of this Paragraph 9:

(i)“Accounting Firm” shall mean the independent public accountants then regularly retained by the Employer for purposes of tax planning or such other nationally-recognized accounting consulting firm (other than the independent auditors of the Employer or the entity resulting from the Business Combination) in consultation with counsel acceptable to the Employer.

(ii)“Net After-Tax Receipt” shall mean the present value (as determined in accordance with Sections 280G(b)(2)(A)(ii) and 280G(d)(4) of the Code) of a Payment net of all taxes imposed on the Executive with respect thereto under Sections 1 and 4999 of the Code and under applicable state and local laws, determined by applying the highest marginal rate under Section 1 of the Code and under state and local laws which applied to the Executive’s taxable income for the immediately preceding taxable year, or such other rate(s) as the Accounting Firm determines to be likely to apply to the Executive in the relevant tax year(s).

(iii)“Parachute Value” of a Payment shall mean the present value as of the date of the change of control for purposes of Section 280G of the Code of the portion of such Payment that constitutes a “parachute payment” under Section 280G(b)(2) of the Code, as determined by the Accounting Firm for purposes of determining whether such Payment is a parachute payment and to what extent the excise tax under Section 4999 of the Code will apply to such Payment.

(iv)“Payment” shall mean any payment or distribution in the nature of compensation (within the meaning of Section 280G(b)(2) of the Code) to or for the benefit of the Executive, whether paid or payable pursuant to the Agreement or otherwise.

(v)“Safe Harbor Amount” shall mean 2.99 times the Executive’s “base amount,” within the meaning of Section 280G(b)(3) of the Code.

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(f)The provisions of this Paragraph 9 shall survive the expiration of this Agreement.

10.Section 409A of the Code. It is intended that any amounts payable under this Agreement and the Employer’s and Executive’s exercise of authority or discretion hereunder shall comply with Section 409A of the Code (including the Treasury regulations and other published guidance relating thereto) so as not to subject Executive to the payment of any interest or additional tax imposed under Section 409A of the Code. In furtherance of this intent (a) if, due to the circumstances giving rise to any lump sum payment or payments under this Agreement, the date of payment or the commencement of such payments thereof must be delayed for six months in order to meet the requirements of Section 409A(a)(2)(B) of the Code applicable to “specified employees,” then such payment or payments shall be so delayed and paid upon expiration of such six month period and (b) if the sixty (60) day period following the Date of Termination begins in one calendar year and ends in a second calendar year, and if there are non-qualified deferred compensation payments subject to Code Section 409A due to Executive conditioned upon the Executive’s execution and non-revocation of the Release and Severance Agreement and which is to be paid during a designated period that begins in a first calendar year, such payments shall be delayed and paid in the second calendar year. With regard to any provision herein that provides for reimbursement of expenses or in-kind benefits: (i) the right to reimbursement or in-kind benefits is not subject to liquidation or exchange for another benefit, and (ii) the amount of expenses eligible for reimbursement or in-kind benefits provided during any taxable year shall not affect the expenses eligible for reimbursement or in-kind benefits to be provided in any other taxable year, provided that the foregoing shall not be violated with regard to expenses covered by Code Section 105(h) that are subject to a limit related to the period in which the arrangement is in effect. Any expense or other reimbursement payment made pursuant to this Agreement or any plan, program, agreement or arrangement of the Employer referred to herein, shall be made on or before the last day of the taxable year following the taxable year in which such expense or other payment to be reimbursed is incurred. To the extent that any Treasury regulations, guidance or changes to Section 409A would result in the Executive becoming subject to interest and additional tax under Section 409A of the Code, the Employer and Executive agree to amend this Agreement in order to bring this Agreement into compliance with Code Section 409A.

11.Mediation and Arbitration. Except as provided in Paragraph 11(c) below, any unresolved controversy or claim arising from or related to this Agreement or breach hereof shall be resolved by use of mediation initially, and if that fails to resolve the matter, by arbitration.

(a)Mediation. Mediation shall be in Chicago, Illinois, before one mediator qualified in mediation of employment matters agreed upon by the parties, or if no agreement on a mediator is reached, before a mediator chosen according to the American Arbitration Association (“AAA”) National Rules for the Resolution of Employment Disputes, specifically the Employment Mediation Rules. There shall be only one mediator. The parties will use best efforts to obtain a mediator and complete the mediation within 30 days from the date of request for mediation.

(b)Arbitration. If the mediation has not been completed within 60 days from the date of request for mediation, any party may, by notice to all other parties and the AAA, forego mediation and move directly to arbitration under the AAA National Rules for the Resolution of Employment Disputes. Such arbitration shall be before a single arbitrator mutually selected by the

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parties and shall be in Chicago, Illinois. By written agreement signed by the Employer and the Executive, the parties hereto may agree to forego mediation, may make any agreement regarding scheduling of the mediation or the arbitration process, discovery or hearing, which agreement shall be binding on the mediator or arbitrator, despite any AAA rule to the contrary. The determination of the arbitrator shall be final, not subject to appeal, and binding on all parties and may be enforced by appropriate judicial order of any court of competent jurisdiction.

(c)Exclusions. Notwithstanding the foregoing provisions of this Paragraph 11, (i) the parties are not required to arbitrate any issue for which injunctive relief is sought by any party hereto (including pursuant to Paragraph 13 hereof), (ii) all parties may seek injunctive relief in any federal district court located in Chicago, Illinois or any state court located in Cook County, Illinois, and (iii) claims of worker’s compensation and unemployment compensation shall not be subject to arbitration under this Agreement.

(d)Attorneys’ Fees. With respect to any dispute or controversy arising under or in connection with this Agreement, if the Executive is a prevailing party (as defined below), the Executive shall be entitled to recover all reasonable attorneys’ fees and expenses incurred in connection with the dispute or controversy. A “prevailing party” is one who is successful on any material substantive issue in the action and achieves either a judgment in such party’s favor or some other affirmative recovery.

12.Confidentiality and Restrictive Covenants Agreement. On the Effective Date, the Executive shall enter into a Confidentiality and Restrictive Covenant Agreement (the “Restrictive Covenant Agreement”), which agreement includes covenants concerning Non-Disclosure of Confidential Information, Non-Competition, Non-Solicitation and Non-Disparagement. The Executive agrees to be subject to and bound by all terms and conditions of the Restrictive Covenant Agreement during the period of employment and, to the extent provided therein, thereafter, as if such terms and conditions were set forth in full herein. References in this Agreement to Executive’s obligations under this Paragraph 12 shall mean references to his obligations under the Restrictive Covenant Agreement.

13.Remedies.

(a)Executive acknowledges that the restrictions and agreements herein provided are fair and reasonable, that enforcement of the provisions of Paragraph 12 will not cause Executive undue hardship and that said provisions are reasonably necessary and commensurate with the need to protect the Employer and its legitimate and proprietary business interests and property from irreparable harm. Executive acknowledges and agrees that (a) a breach of any of the covenants and provisions contained in Paragraph 12 above will result in irreparable harm to the business of the Employer, (b) a remedy at law in the form of monetary damages for any breach by Executive of any of the covenants and provisions contained in Paragraph 12 is inadequate, (c) in addition to any remedy at law or equity for such breach, the Employer shall be entitled to institute and maintain appropriate proceedings in equity, including a suit for injunction to enforce the specific performance by Executive of the obligations hereunder and to enjoin Executive from engaging in any activity in violation hereof and (d) the covenants on Executive’s part contained in Paragraph 12, shall be construed as agreements independent of any other provisions in this Agreement, and the existence of any claim, setoff or cause of action by Executive against the Employer, whether predicated on

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this Agreement or otherwise, shall not constitute a defense or bar to the specific enforcement by the Employer of said covenants. In the event of a breach or a violation by Executive of any of the covenants and provisions of this Agreement, the running of the Restriction Period (but not of Executive’s obligation thereunder), shall be tolled during the period of the continuance of any actual breach or violation.

(b)The parties hereto agree that the covenants set forth in Paragraph 12 are reasonable with respect to their duration, geographical area and scope. If the final judgment of a court of competent jurisdiction declares that any term or provision of Paragraph 12 is invalid or unenforceable, the parties agree that the court making the determination of invalidity or unenforceability shall have the power to reduce the scope, duration, or area of the term or provision, to delete specific words or phrases, or to replace any invalid or unenforceable term or provision with a term or provision that is valid and enforceable and that comes closest to expressing the intention of the invalid or unenforceable term or provision, and this Agreement shall be enforceable as so modified after the expiration of the time within which the judgment may be appealed.

14.Notices. Any notice or other communication required or permitted to be given hereunder shall be determined to have been duly given to any party (a) upon delivery to the address of such party specified below if delivered personally or by courier; (b) upon dispatch if sent in .PDF form by electronic mail to the Company-provided electronic mail address, or if transmitted by telecopy or other means of facsimile; (c) within forty-eight (48) hours after deposit thereof in the U.S. mail, postage prepaid, for delivery as certified mail, return receipt requested, or (d) within twenty-four (24) hours after deposit thereof with a reputable overnight courier (charges prepaid), addressed, in any case to the party at the following address(es) or telecopy numbers:

(a)If to Executive, at the address set forth on the records of the Employer.

(b)If to the Employer:

First Midwest Bancorp, Inc.

8750 Bryn Mawr Ave., Suite 1300

Chicago, Illinois 60631

Attn: Corporate Secretary

Fax No.: (872) 207-7411

E-mail: nick.chulos@firstmidwest.com

or to such other address(es) or facsimile number(s) as any party may designate by Written Notice in the aforesaid manner.

15.Directors and Officers Liability Coverage; Indemnification. Executive shall be entitled to coverage under such directors and officers liability insurance policies maintained from time to time by the Company, Bank or any subsidiary for the benefit of its directors and officers. The Company shall indemnify and hold Executive harmless, to the fullest extent permitted by the laws of the State of Delaware, from and against all costs, charges and expenses (including reasonable attorneys’ fees), and shall provide for the advancement of expenses incurred or sustained in connection with any action, suit or proceeding to which the Executive or his legal representatives may be made a party by reason of the Executive’s being or having been a director, officer or employee

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of the Company, Bank or any of its affiliates or employee benefit plans. The provisions of this Paragraph 15 shall not be deemed exclusive of any other rights to which the Executive seeking indemnification may have under any by-law, agreement, vote of stockholders or directors, or otherwise.

16.Full Settlement; No Mitigation. The Employer’s obligation to make the payments and provide the benefits provided for in this Agreement and otherwise to perform its obligations hereunder shall not be affected by any set-off, counterclaim, recoupment, defense or other claim, right or action which the Employer may have against the Executive or others, other than as described in Paragraph 29. In no event shall the Executive be obligated to seek other employment or take any other action by way of mitigation of the amounts payable to the Executive under any of the provisions of this Agreement, and such amounts shall not be reduced whether or not the Executive obtains other employment.

17.Payment in the Event of Death. In the event payment is due and owing by the Employer to Executive under this Agreement upon the death of Executive, payment shall be made to such beneficiary as Executive may designate in writing, or failing such designation, then the executor of his estate, in full settlement and satisfaction of all claims and demands on behalf of Executive, shall be entitled to receive all amounts owing to Executive at the time of death under this Agreement. Such payments shall be in addition to any other death benefits of the Employer and in full settlement and satisfaction of all severance benefit payments provided for in this Agreement.

18.Entire Understanding. This Agreement constitutes the entire understanding and agreement between the parties relating to Executive’s employment hereunder and supersedes and cancels all prior written and oral understandings and agreements with respect to such matters (including the employment agreement dated May 4, 2007 between the Company and the Executive), except for the terms and provisions of any employee benefit or other compensation plans (or any agreements or awards thereunder) or other agreements referred to in this Agreement, or as otherwise expressly contemplated by this Agreement.

19.Binding Effect. This Agreement shall be binding upon and inure to the benefit of the heirs and representatives of the Executive and the successors and assigns of the Company. The Company shall require any successor (whether direct or indirect, by purchase, merger, reorganization, consolidation, acquisition of property or stock, liquidation, or otherwise) to all or a substantial portion of its assets, by agreement in form and substance reasonably satisfactory to the Executive, expressly to assume and agree to perform this Agreement in the same manner and to the same extent that the Company would be required to perform this Agreement if no such succession had taken place. Regardless of whether such an agreement is executed, this Agreement shall be binding upon any successor of the Company in accordance with the operation of law, and such successor shall be deemed the “Company” for purposes of this Agreement.

20.Tax Withholding. The Employer shall provide for the withholding of any taxes required to be withheld by federal, state or local law with respect to any payment in cash, shares of stock and/or other property made by or on behalf of the Employer to or for the benefit of the Executive under this Agreement or otherwise. The Employer may, at its option: (a) withhold such taxes from any cash payments owing from the Employer to the Executive, (b) require the Executive to pay to the Employer in cash such amount as may be required to satisfy such withholding obligations and/

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or (c) make other satisfactory arrangements with the Executive to satisfy such withholding obligations.

21.No Assignment. Except as otherwise expressly provided herein, this Agreement is not assignable by any party and no payment to be made hereunder shall be subject to anticipation, alienation, sale, transfer, assignment, pledge, encumbrance or other charge.

22.Execution in Counterparts. This Agreement may be executed by the parties hereto in two (2) or more counterparts, each of which shall be deemed to be an original, but all such counterparts shall constitute one and the same instrument, and all signatures need not appear on any one counterpart.

23.Jurisdiction and Governing Law. Jurisdiction over disputes with regard to this Agreement shall be exclusively in the courts of the State of Illinois, and this Agreement shall be construed and interpreted in accordance with and governed by the laws of the State of Illinois, without regard to the choice of laws provisions of such laws.

24.Severability. If any provision of this Agreement shall be adjudged by any court of competent jurisdiction to be invalid or unenforceable for any reason, such judgment shall not affect, impair or invalidate the remainder of this Agreement. Furthermore, if the scope of any restriction or requirement contained in this Agreement is too broad to permit enforcement of such restriction or requirement to its full extent, then such restriction or requirement shall be enforced to the maximum extent permitted by law, and the Executive consents and agrees that any court of competent jurisdiction may so modify such scope in any proceeding brought to enforce such restriction or requirement.

25.Waiver. The waiver of any party hereto of a breach of any provision of this Agreement by any other party shall not operate or be construed as a waiver of any subsequent breach.

26.Amendment; Effect of Termination. No change, alteration or modification hereof may be made except in a writing, signed by each of the parties hereto. The provisions of Paragraph 8 relating to post-Date of Termination obligations, and the provisions and obligations set forth in Paragraphs 9 through 29 shall survive termination of the Agreement pursuant to Paragraph 7.

27.Construction. The language used in this Agreement will be deemed to be the language chosen by Employer and Executive to express their mutual intent and no rule of strict construction shall be applied against any person. Wherever from the context it appears appropriate, each term stated in either the singular or plural shall include the singular and the plural, and the pronouns stated in either the masculine, the feminine or the neuter gender shall include the masculine, feminine or neuter. The headings of the Paragraphs of this Agreement are for reference purposes only and do not define or limit, and shall not be used to interpret or construe the contents of this Agreement.

28.No Duplication. Notwithstanding anything herein to the contrary, to the extent that any compensation or benefits are paid to or received by the Executive from the Company, Bank or any other subsidiary of Company or the Bank, such compensation or benefits shall be deemed to satisfy the obligations of the Company, Bank and all subsidiaries, such that Executive shall not be entitled to receive any compensation or benefits which are duplicative of such amounts previously paid to or received by Executive.

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29.Regulatory Requirements and Compensation Recovery (Clawback). Anything in this Agreement to the contrary notwithstanding, it is intended that, to the extent required, this Agreement and the payments made hereunder comply with the requirements of any legislative or regulatory limitations or requirements which are or may become applicable to the Employer and the payments made hereunder, including the Dodd-Frank Wall Street Reform and Consumer Protection Act and any rules or regulations issued thereunder (collectively, the “Regulatory Requirements”), which limitations or requirements may include, but not limited to, provisions limiting, delaying or deferring payment of certain bonus, incentive or retention compensation or “golden parachute payments” to certain officers or highly compensated employees, requiring that the Employer may recover (claw-back) bonus and incentive compensation in certain circumstances, and precluding bonus and incentive arrangements that encourage unnecessary or excessive risks that threaten the value of the Employer, in each case within the meaning of the Regulatory Requirements, and only to the extent applicable to the Employer and the Executive. The application of this Paragraph 29 is intended to, and shall be interpreted, administered and construed to, cause the Agreement to comply with the Regulatory Requirements and, to the maximum extent consistent with this Paragraph 29 and the Regulatory Requirements, to permit the operation of this Agreement in accordance with the terms and conditions hereof before giving effect to the provisions of this Paragraph 29 or the Regulatory Requirements.

[Signature page follows this page]

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IN WITNESS WHEREOF, the parties hereto have executed and delivered this Agreement as of the day and year first above written.

FIRST MIDWEST BANCORP, INC.

By:	/s/ Kathleen Carroll
Name:		Kathleen Carroll
		Executive Vice President and
Title:		Chief Human Resources Officer

ATTEST:

By:	/s/ Nicholas J. Chulos
	Nicholas J. Chulos
	Executive Vice President, General Counsel
	and Corporate Secretary

EXECUTIVE

By:	/s/ Michael L. Scudder
Name:		Michael L. Scudder

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Exhibit A to Employment Agreement

RELEASE AND SEVERANCE AGREEMENT

THIS RELEASE AND SEVERANCE AGREEMENT is made and entered into this day of, by and between First Midwest Bancorp, Inc., its subsidiaries and affiliates (collectively “FMBI”) and Michael L. Scudder (hereinafter “EXECUTIVE”).

EXECUTIVE’S employment with FMBI terminated on [ ], and EXECUTIVE has voluntarily agreed to the terms of this RELEASE AND SEVERANCE AGREEMENT in exchange for severance benefits under the Employment Agreement (“Employment Agreement”) to which EXECUTIVE otherwise would not be entitled.

NOW THEREFORE, in consideration for severance benefits provided under the Employment Agreement, EXECUTIVE on behalf of himself and his spouse, heirs, executors, administrators, children, and assigns does hereby fully release and discharge FMBI, its officers, directors, employees, agents, subsidiaries and divisions, benefit plans and their administrators, fiduciaries and insurers, successors, and assigns from any and all claims or demands for wages, back pay, front pay, attorney’s fees and other sums of money, insurance, benefits, contracts, controversies, agreements, promises, damages, costs, actions or causes of action and liabilities of any kind or character whatsoever, whether known or unknown, from the beginning of time to the date of these presents, relating to his employment or termination of employment from FMBI, including but not limited to any claims, actions or causes of action arising under the statutory, common law or other rules, orders or regulations of the United States or any State or political subdivision thereof including the Age Discrimination in Employment Act and the Older Workers Benefit Protection Act.

EXECUTIVE acknowledges and reaffirms that EXECUTIVE’S obligations under Paragraph 12 of the Employment Agreement, including covenants concerning Non-Disclosure of Confidential Information, Non-Competition, Non-Solicitation, and Non-Disparagement, shall continue to apply to EXECUTIVE.

This Release and Settlement Agreement supersedes any and all other agreements between EXECUTIVE and FMBI except agreements relating to proprietary or confidential information belonging to FMBI, and any other agreements, promises or representations relating to severance pay or other terms and conditions of employment are null and void.

This release does not affect EXECUTIVE’S right to any benefits to which EXECUTIVE may be entitled under any employee benefit plan, program or arrangement sponsored or provided by FMBI, including but not limited to the Employment Agreement and the plans, programs and arrangements referred to therein.

EXECUTIVE and FMBI acknowledge that it is their mutual intent that the Age Discrimination in Employment Act waiver contained herein fully comply with the Older Workers Benefit Protection Act. Accordingly, EXECUTIVE acknowledges and agrees that:

(a)    The Severance benefits exceed the nature and scope of that to which he would otherwise have been legally entitled to receive.

Exhibit A – Page 1

(b)    Execution of this Agreement and the Age Discrimination in Employment Act waiver herein is his knowing and voluntary act;

(c)    He has been advised by FMBI to consult with his personal attorney regarding the terms of this Agreement, including the aforementioned waiver;

(d)    He has had at least twenty-one (21) calendar days within which to consider this Agreement;

(e)    He has the right to revoke this Agreement in full within seven (7) calendar days of execution and that none of the terms and provisions of this Agreement shall become effective or be enforceable until such revocation period has expired;

(f)    He has read and fully understands the terms of this agreement; and

(g)    Nothing contained in this Agreement purports to release any of EXECUTIVE’s rights or claims under the Age Discrimination in Employment Act that may arise after the date of execution.

[Signature page follows this page]

Exhibit A – Page 2

IN WITNESS WHEREOF, the parties have executed this Agreement on the date indicated above.

FIRST MIDWEST BANCORP, INC., for itself and its Subsidiaries

By:

Its:

EXECUTIVE

Exhibit A – Page 3

EX-10.2

FIRST MIDWEST BANCORP, INC.

CONFIDENTIALITY AND RESTRICTIVE COVENANTS AGREEMENT

This Confidentiality and Restrictive Covenants Agreement (this “Agreement”), dated as of June 18, 2018, is made by and among First Midwest Bancorp, Inc. (“FMBI”), and its subsidiary First Midwest Bank (the “Bank”), and each of their successors and assigns (including FMBI’s and the Bank’s respective subsidiaries and affiliates, collectively, “Employer”), and Michael L. Scudder (“Employee”).

WHEREAS, Employee is currently the Chairman, President and Chief Executive Officer of FMBI and Chairman of the Board and Chief Executive Officer of the Bank;

WHEREAS, Employee is currently party to an employment agreement and confidentiality and restrictive covenants agreement with Employer;

WHEREAS, Employee understands and acknowledges that Employer has a legitimate business interest in protecting Employer’s property, confidential information, customer and employee relationships and other protectable interests;

WHEREAS, Employee understands and acknowledges that in the course of performing services for Employer, Employee has had and will continue to have access to and use confidential information, and has provided and will continue to provide services to customers, of Employer;

WHEREAS, Employer has proposed to enter into a new employment agreement with Employee (the “New Employment Agreement”), which agreement provides, among other things, for an increase in compensation and in severance benefits which may become payable upon termination of Employee’s employment in qualifying circumstances;

WHEREAS, the New Employment Agreement provides that Employee will continue to be eligible to receive cash bonuses or other annual incentive compensation from Employer (any such compensation, “Bonus Compensation”), pursuant to the terms and conditions governing such compensation;

WHEREAS, the New Employment Agreement provides that Employee will continue to be eligible to receive equity-based awards under the First Midwest Bancorp, Inc. 2018 Incentive and Stock Plan (the “Incentive Plan”), as may from time to time be awarded in the future (any such awards, “Equity Awards”), pursuant to the terms and conditions of the Incentive Plan, and/or any successor plans;

WHEREAS, the New Employment Agreement provides that Employer’s entering into such agreement, and Employee’s continued eligibility to receive Bonus Compensation and/or Equity Awards, and the vesting and payment thereof, are in consideration of and are conditioned upon, among other things, Employee’s execution of and compliance with this Agreement; and

WHEREAS, Employee desires to enter into the New Employment Agreement and continue to be eligible to receive Bonus Compensation and Equity Awards.

NOW, THEREFORE, in consideration of the foregoing and for other good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, Employee agrees as follows:

1. NON-USE OF EMPLOYER’S PROPERTY

All notes, reports, plans, published memoranda or other documents (in tangible or electronic form) created, developed, generated or acquired by Employee, or to which Employee otherwise has access, during the course of employment with Employer, concerning or related to Employer’s business, whether or not containing or relating to Confidential Information (as defined below), and all tangible personal property of Employer entrusted to Employee or in Employee’s direct or indirect possession or control, are solely the property of Employer, and will be promptly delivered to Employer and not thereafter used by Employee upon termination of Employee’s employment for any reason or no reason.

2. NON-DISCLOSURE OF EMPLOYER’S CONFIDENTIAL INFORMATION

2.1Confidential Information.  For purposes of this Agreement, “Confidential Information” means any and all trade secrets and other confidential, proprietary and/or non-public information of Employer, whether in tangible or electronic form, that Employee creates, develops, generates or acquires, or to which Employee otherwise has access, during the course of employment with Employer and that Employer designates or treats as confidential through its policies, practices or procedures. Confidential Information shall include, but is not limited to, financial information and data; business and marketing plans, practices and strategies; proprietary computer programs and other methods of operation, techniques, systems and processes; intellectual property and other research and development; statistical data and analyses; information concerning Employer’s planned or pending investment products, acquisitions or divestitures; personnel information, including the identity of officers and employees of Employer, their responsibilities, competence, abilities and compensation; financial, accounting and similar records of Employer and/or any fund or account managed by Employer; current and prospective customer lists and information on customers and prospective customers and their officers and other employees; customer financial statements, investment objectives, the nature of their investment portfolios and contractual agreements with Employer, and other personal customer information; and other information received by Employer from third parties in confidence or pursuant to a duty of confidentiality. Notwithstanding the foregoing, Confidential Information shall not include information which is in or hereafter enters the public domain through no fault of Employee and without breach of any duty of confidentiality; information known to Employee prior to first receipt of or access to such information in the course of employment; or information rightfully received by Employee outside the scope of employment from a third party who does not owe Employer a duty of confidentiality with respect to such information.

2.2Disclosure or Use.  Employee acknowledges and understands that Employer has spent extensive time, effort and resources developing Confidential Information and that, solely as a result of Employee’s employment with Employer, Employee has had and will continue to have access to such Confidential Information. Employee further acknowledges and understands that Employer has taken reasonable measures to protect and maintain the secrecy of its Confidential

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Information. Accordingly, during the term of Employee’s employment and thereafter, Employee agrees not to use or disclose any Confidential Information except in furtherance of Employee’s duties for Employer in the ordinary course of business and to otherwise comply with all policies of Employer relating to the use and disclosure of Confidential Information. Upon termination of employment with Employer for any reason or no reason, Employee shall not, directly or indirectly, disclose, publish, communicate or use on Employee’s behalf or another’s behalf, any Confidential Information.

2.3Permitted Disclosure or Use.  To the extent applicable law requires a finite duration, the foregoing restrictions on the disclosure or use of Confidential Information shall apply for a period of five (5) years following termination of Employee’s employment for any reason or no reason, unless such information qualifies as a trade secret under applicable state or federal law or Third Party Confidential Information, in which case the foregoing restrictions shall continue for so long as the trade secrets remain secret and Employer remains obligated to protect the Third-Party Confidential Information. “Third-Party Confidential Information” means confidential and proprietary or private information received by Employer from customers or other third-party individuals or business entities in trust and confidence or pursuant to a duty of confidentiality. If Employee is requested or becomes legally compelled to make any disclosure that is otherwise prohibited by this Agreement, Employee shall promptly notify Employer no later than fourteen (14) days prior to such disclosure so that Employer may seek a protective order or other appropriate relief if Employer deems such protection or remedy necessary. Subject to the foregoing, Employee may furnish only that portion of the Confidential Information that Employee is legally compelled or required by law to disclose. However, nothing in this Agreement, any other agreement between Employee and Employer or in any Employer policy applicable to Employee shall preclude Employee from providing a federal or state governmental, regulatory or administrative agency truthful information concerning a suspected violation of the law without disclosure (in advance or otherwise) to Employer. Notwithstanding anything herein to the contrary, under the Federal Defend Trade Secrets Act of 2016, an individual may not be held criminally or civilly liable under any Federal or State trade secret law for the disclosure of a trade secret that (a) is made (1) in confidence to a Federal, State or local government official, either directly or indirectly, or to an attorney; and (2) solely for the purpose of reporting or investigating a suspected violation of law; or (b) is made in a complaint or other document filed in a lawsuit or other proceeding, if such filing is made under seal. An individual who files a lawsuit for retaliation by an employer for reporting a suspected violation of law may disclose the trade secret to the attorney of the individual and use the trade secret information in the court proceeding if the individual files any document containing the trade secret under seal and does not disclose the trade secret except pursuant to court order. Nothing herein is intended, or should be construed, to affect the immunities created by the Defend Trade Secrets Act of 2016.

3.NON-COMPETITION WITH THE EMPLOYER

3.1Non-Competition. Employee agrees that during the period of employment and for the period ending two years after the last day of Employee’s employment with Employer (the “Date of Termination”), Employee will not in any manner, directly or indirectly (whether as an officer, director, employee, investor, consultant, independent contractor or otherwise), engage or be engaged in, provide services to, for or on behalf of, or assist any other person, firm, corporation or enterprise

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in engaging or being engaged in, any business providing banking products or services competitive with any banking product or service provided by Employer in any geographic region or territory in which Employer maintains a material banking or financial services business which provides such banking products or services.

3.2Banking Products or Services. For purposes of this Section 3, “banking products or services” are products or services of the type described in Item 1 of the most recent Form 10‑K filed by FMBI with the Securities and Exchange Commission, which products and services shall include, but are not limited to, deposit products and services, corporate and consumer lending products and services, treasury management products and services and wealth management products and services.

3.3Geographic Territory. Employee acknowledges and agrees that the geographic region or territory in which Employer maintains a material banking or financial services business providing banking products or services is comprised of the following areas: (a) the area within one hundred (100) miles of Employer’s corporate headquarters in Chicago, Illinois; and (b) the area within thirty (30) miles of any branch or office of the Employer which, as of the Date of Termination (as defined in the New Employment Agreement), was staffed with at least 15 employees engaged in banking or other financial services.

3.4Exception for Ownership of Publicly Traded Stock. Nothing herein shall prohibit Employee from being a passive owner of not more than 1% of the outstanding equity interest in any entity that is publicly traded, so long as the Employee has no active participation in the business of such entity.

4.NON-INTERFERENCE WITH EMPLOYER’S CUSTOMERS

Employee acknowledges and understands that Employer has spent extensive time, effort and resources developing and maintaining personal contacts and relationships with customers and that, solely as a result of his or her employment with Employer, Employee has had and will continue to have direct contact and dealings with, management or supervisory responsibility for, or access to Confidential Information about, such customers. Therefore, during the period of Employee’s employment with Employer and thereafter, without interruption, for the period ending twoyears after the Date of Termination, Employee agrees not to, directly or indirectly, for Employee’s own account or as an agent, officer, director, owner, partner or consultant of any corporation, firm, partnership, joint venture, syndicate, sole proprietorship or other entity, solicit, call upon, contact, contract with, sell to or perform services for, or attempt to solicit, call upon, contact, contract with, sell to or perform services for, any customers of Employer for the purpose of providing to such customer banking products or services of any kind that are offered or provided by Employer, or to assist any person, business or entity to do so. For purposes of this provision, the term “customer” means any business, entity or person which is or was a customer of Employer at any time during the period of Employee’s employment with Employer and with respect to which Employee had contact or supervisory responsibility in course of conducting business for Employer or about whom Employee had access to and used Confidential Information, other than any customer which has ceased to do business with Employer at least six (6) months prior to the last day of Employee’s employment without any inducement, encouragement or involvement of Employee.

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5.NON-SOLICITATION AND NO-HIRE OF EMPLOYER’S EMPLOYEES

Employee acknowledges and understands that Employer has spent extensive time, effort and resources training and maintaining a stable workforce and that, solely as a result of Employee’s employment with Employer, Employee has had and will continue to have direct contact and dealings with employees of Employer. Therefore, during the period of Employee’s employment with Employer and thereafter, without interruption, for the period ending twoyears after the Date of Termination, Employee agrees not to, directly or indirectly, for Employee’s own account or as an agent, officer, director, owner, partner, or consultant of any corporation, firm, partnership, joint venture, syndicate, sole proprietorship or other entity: (a) solicit, induce, recruit or encourage, or attempt to solicit, induce, recruit or encourage, any employee of Employer to leave the employ of Employer, or to assist any other person, business or entity to do so; or (b) hire or attempt to hire any employee of Employer, or assist any other person, business or entity to do so. For purposes of this provision, the term “employee” means any person who is or was an employee of Employer during the period of Employee’s employment with Employer and with respect to which Employee had contact or supervisory responsibility in the course of conducting business for Employer or about whom Employee had access to and used Confidential Information related to their performance or advancement potential, other than a former employee who has not been employed by Employer for a period of at least six (6) months prior to the last day of Employee’s employment without any inducement, encouragement or involvement of Employee.

6.NON-DISPARAGEMENT OF EMPLOYER

Employee acknowledges and understands that Employer’s good name and its goodwill are extremely valuable and the result of the expenditure of substantial time, effort and resources by Employer. Therefore, during the period of Employee’s employment with Employer and thereafter, without interruption, for the period ending twoyears after the Date of Termination, Employee agrees not to make, or cause to be made, any statement or disclosure that disparages Employer, or any director, officer or employee of Employer, or assist any other person, business or entity to do so.

7.GENERAL PROVISIONS

7.1No Inducements.  In agreeing to the protective covenants set forth herein and compliance therewith, Employee does not rely on any inducements, promises or representations of Employer, or its officers or directors, other than the terms and conditions specifically set forth in this Agreement.

7.2Employment Still At-Will; No Guarantee.  Employee acknowledges that Employee is an “at-will” employee of Employer and nothing set forth herein gives or shall be deemed to give Employee any right to remain in the employ of Employer. Employee also acknowledges that, while Employee is eligible to earn compensation, and to receive Bonus Compensation or Equity Awards, the payment of such compensation and/or granting of any such Bonus Compensation and Equity Awards, as the case may be, is subject to the terms and conditions of such Bonus Compensation and/or the Incentive Plan and Equity Awards, and that nothing set forth herein shall be deemed to guarantee to Employee that any specific amount of compensation, Bonus Compensation or Equity Awards will be earned by or made to Employee.

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7.3Employee Has Read And Understands.  Employee acknowledges that the statements herein are true and correct and that Employee has read and understands all of the terms of this Agreement and has had the opportunity to consult with an attorney with respect to the terms of this Agreement if Employee deems necessary. Employee agrees that Employee is entering into this Agreement as a voluntary act and that Employee has received adequate consideration in exchange.

7.4Restrictions Reasonable.  Employee acknowledges and agrees that the restrictions set forth in Sections 1 through 6 of this Agreement are reasonable and necessary for the protection of Employer’s legitimate business interests, and do not impose any undue economic hardship on Employee or otherwise preclude Employee from gainful employment, particularly in other areas outside of those captured by Employee’s current position.

7.5Equitable Relief.  Employee acknowledges that Employer will suffer irreparable harm if Employee breaches or threatens to breach this Agreement and that, in the event of Employee’s actual or threatened breach of this Agreement, Employer will have no adequate remedy at law. Accordingly, Employee agrees that, in addition to any other remedies at law or in equity available to Employer for Employee’s breach or threatened breach of this Agreement, Employer is entitled to specific performance or injunctive relief against Employee to prevent any such actual or threatened breach without the necessity of posting a bond or other security.

7.6Period Of Restriction Extended.  In the event of a breach by Employee of any covenant in Section 3, 4, 5 or 6 of this Agreement, the period of restriction set forth in such provision shall be extended by the period of such breach (up to a maximum of twelve (12) additional months). In addition, in the event of a breach of any of the covenants in Sections 1 through 5 of this Agreement, Employee shall lose all rights under any unvested or unexercised awards under the Incentive Plan.

7.7Applicable Law, Venue and Jurisdiction.  The validity, interpretation, construction and performance of this Agreement shall be governed by the laws of the State of Illinois without giving effect to the conflict of law principles thereof. The exclusive venue for any litigation between Employee and Employer for any dispute arising out of or relating to this Agreement shall be the state court located in Cook County, Illinois, or the federal district court located in Chicago, Illinois, and Employee hereby irrevocably consents to any such court’s exercise of personal jurisdiction over Employee for such purpose.

7.8Waiver Of Jury.  EMPLOYEE AND EMPLOYER IRREVOCABLY WAIVE THEIR RIGHTS TO A JURY TRIAL.

7.9Waiver and Modification.  Except as provided below in Section 7.11 and 7.12, no provision of this Agreement may be modified, waived or discharged unless such waiver, modification or discharge is agreed to in a writing signed by the parties hereto and, in the case of Employer, such waiver, modification or discharge has been authorized or approved by the Board of Directors or an authorized officer of Employer. Any waiver of any breach of any kind or character whatsoever shall not be construed as a continuing waiver of, or consent to, any subsequent breach of this Agreement.

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7.10Headings.  The headings used in this Agreement are for convenience only and are not part of its operative language. They shall not be used to affect the construction of any provisions hereof.

7.11Severability.  The provisions of this Agreement are severable and should any provision hereof be void, voidable or unenforceable under applicable law, such void, voidable or unenforceable provision shall not affect or invalidate any other provision of this Agreement, which shall continue to govern the relative rights and duties of the parties hereto as though the void, voidable or unenforceable provision were not a part hereof.

7.12“Blue Pencil Provision”.  In the event that any provision, or part thereof, shall be declared by a court to exceed the maximum time period or scope that the court deems to be enforceable, then the parties hereto expressly authorize the court to modify such provision, or part thereof, so that it may be enforced to the fullest extent permitted by law.

7.13Other Agreements.  This Agreement is in addition to and supplements any other written agreements between the parties that contain restrictive covenant obligations. Notwithstanding the foregoing, this Agreement supersedes and cancels the Confidentiality and Restrictive Covenants Agreement dated December 14, 2012 between the Employer and the Employee.

7.14Survival and Binding Effect.  The restrictions set forth in Sections 1 through 6 of this Agreement shall survive the termination of this Agreement and the termination of Employee’s employment with Employer for any reason or no reason. This Agreement shall be binding upon and inure to the benefit of the parties hereto, their heirs, personal representatives, successors and assigns.

7.15Execution in Counterparts.  This Agreement may be executed by the parties hereto in two (2) or more counterparts, each of which shall be deemed to be an original, but all such counterparts shall constitute one and the same agreement, and all signatures need not appear on any one counterpart. A signed copy of this Agreement delivered by facsimile, e-mail or other means of electronic transmission shall be deemed to have the same legal effect as delivery of an original signed copy of this Agreement.

[Signature page follows this page]

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IN WITNESS WHEREOF, the undersigned have duly entered into this Agreement as of the date set forth above

FIRST MIDWEST BANCORP, INC.			EMPLOYEE
FIRST MIDWEST BANK
FOR AND ON BEHALF OF EMPLOYER
By:	/s/ Kathleen S. Carroll		/s/ Michael L. Scudder
			Michael L. Scudder
Name:		Kathleen S. Carroll
		Executive Vice President and
Title:		Chief Human Resources Officer

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EX-31.1

Exhibit 31.1

CERTIFICATION

I, Michael L. Scudder, certify that:

1. I have reviewed this report on Form 10-Q of First Midwest Bancorp, Inc.;

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 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 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: August 7, 2018	/s/ MICHAEL L. SCUDDER
	Chairman of the Board, President and Chief Executive Officer

EX-31.2

Exhibit 31.2

CERTIFICATION

I, Patrick S. Barrett, certify that:

1. I have reviewed this report on Form 10-Q of First Midwest Bancorp, Inc.;

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 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 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: August 7, 2018	/s/ PATRICK S. BARRETT
	Executive Vice President and Chief Financial Officer

EX-32.1

Exhibit 32.1

CERTIFICATION

Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, 18 U.S.C. Section 1350, the undersigned officer of First Midwest Bancorp, Inc. (the "Company"), hereby certifies that:

1. The Company's Report on Form 10-Q for the quarter ended June 30, 2018 (the "Report") fully complies with the requirements of Section 13(a) or 15(d), as applicable, of the Securities and Exchange Act of 1934, as amended; and

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

/s/ MICHAEL L. SCUDDER
Name:	Michael L. Scudder
Title:	Chairman of the Board, President and Chief Executive Officer
Dated:	August 7, 2018

A signed original of this written statement required by Section 906 of the Sarbanes-Oxley Act of 2002 has been provided to the Company and will be retained by the Company and furnished to the Securities and Exchange Commission or its staff upon request.

EX-32.2

Exhibit 32.2

CERTIFICATION

Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, 18 U.S.C. Section 1350, the undersigned officer of First Midwest Bancorp, Inc. (the "Company"), hereby certifies that:

1. The Company's Report on Form 10-Q for the quarter ended June 30, 2018 (the "Report") fully complies with the requirements of Section 13(a) or 15(d), as applicable, of the Securities and Exchange Act of 1934, as amended; and

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

/s/ PATRICK S. BARRETT
Name:	Patrick S. Barrett
Title:	Executive Vice President and Chief Financial Officer
Dated:	August 7, 2018

A signed original of this written statement required by Section 906 of the Sarbanes-Oxley Act of 2002 has been provided to the Company and will be retained by the Company and furnished to the Securities and Exchange Commission or its staff upon request.

XML

Document And Entity Information - shares	6 Months Ended
	Jun. 30, 2018	Aug. 03, 2018
Document and Entity Information [Abstract]
Entity Registrant Name	FIRST MIDWEST BANCORP INC
Document Type	10-Q
Current Fiscal Year End Date	--12-31
Entity Common Stock, Shares Outstanding		103,054,177
Amendment Flag	false
Entity Central Index Key	0000702325
Entity Filer Category	Large Accelerated Filer
Document Period End Date	Jun. 30, 2018
Document Fiscal Year Focus	2018
Document Fiscal Period Focus	Q2

XML

Consolidated Statements of Financial Condition - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Assets
Cash and due from banks	$ 181,482	$ 192,800
Interest-bearing deposits in other banks	192,785	153,770
Trading securities, at fair value	0	20,447
Equity securities, at fair value	28,441	0
Securities available-for-sale, at fair value	2,142,865	1,884,209
Securities held-to-maturity, at amortized cost	13,042	13,760
Federal Home Loan Bank (FHLB) and Federal Reserve Bank (FRB) stock, at cost	82,778	69,708
Loans	10,891,565	10,437,812
Allowance for loan losses	(96,691)	(95,729)
Net loans	10,794,874	10,342,083
Other real estate owned (OREO)	12,892	20,851
Premises, furniture, and equipment, net	127,024	123,316
Investment in bank-owned life insurance (BOLI)	282,664	279,900
Goodwill and other intangible assets	753,020	754,757
Accrued interest receivable and other assets	206,209	221,451
Total assets	14,818,076	14,077,052
Liabilities
Noninterest-bearing deposits	3,667,847	3,576,190
Interest-bearing deposits	7,824,416	7,477,135
Total deposits	11,492,263	11,053,325
Borrowed funds	981,044	714,884
Senior and subordinated debt	195,453	195,170
Accrued interest payable and other liabilities	265,753	248,799
Total liabilities	12,934,513	12,212,178
Stockholders' Equity
Common stock	1,124	1,123
Additional paid-in capital	1,025,703	1,031,870
Retained earnings	1,122,107	1,074,990
Accumulated other comprehensive loss, net of tax	(64,400)	(33,036)
Treasury stock, at cost	(200,971)	(210,073)
Total stockholders' equity	1,883,563	1,864,874
Total liabilities and stockholders' equity	$ 14,818,076	$ 14,077,052
Stockholders' Equity, Number of Shares, Par Value, and Other Disclosures
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized (in shares)	1,000,000	1,000,000
Common stock, shares authorized (in shares)	250,000,000	250,000,000
Common stock, shares issued (in shares)	112,356,000	112,351,000
Common stock, shares outstanding (in shares)	103,059,000	102,717,000
Treasury stock, shares (in shares)	9,297,000	9,634,000

XML

Condensed Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Interest Income
Loans	$ 127,737	$ 114,820	$ 246,423	$ 227,185
Investment securities	13,010	10,527	24,766	21,011
Other short-term investments	1,341	1,169	2,244	2,019
Total interest income	142,088	126,516	273,433	250,215
Interest Expense
Deposits	8,032	3,729	14,211	6,938
Borrowed funds	3,513	2,099	6,992	4,293
Senior and subordinated debt	3,140	3,105	6,264	6,204
Total interest expense	14,685	8,933	27,467	17,435
Net interest income	127,403	117,583	245,966	232,780
Provision for loan losses	11,614	8,239	26,795	13,157
Net interest income after provision for loan losses	115,789	109,344	219,171	219,623
Noninterest Income
Service charges on deposit accounts	12,058	12,153	23,710	23,518
Wealth management fees	10,981	10,525	21,939	20,185
Card-based fees, net	4,394	8,832	8,327	16,948
Capital market products income	2,819	2,217	4,377	3,593
Mortgage banking income	1,736	1,645	4,133	3,533
Other service charges, commissions, and fees	2,838	5,856	5,386	11,298
Net securities gains	0	284	0	284
Other income	2,121	3,433	4,592	5,537
Total noninterest income	36,947	44,945	72,464	84,896
Noninterest Expense
Salaries and employee benefits	57,932	54,575	114,719	110,347
Net occupancy and equipment expense	13,651	12,485	27,424	24,810
Professional services	8,298	9,112	15,878	17,575
Technology and related costs	4,837	4,485	9,608	8,918
Net OREO expense	(256)	1,631	812	3,331
Other expenses	13,939	16,289	25,542	31,673
Delivering Excellence implementation costs	15,015	0	15,015	0
Acquisition and integration related expenses	0	1,174	0	19,739
Total noninterest expense	113,416	99,751	208,998	216,393
Income before income tax expense	39,320	54,538	82,637	88,126
Income tax expense	9,720	19,588	19,527	30,321
Net income	$ 29,600	$ 34,950	$ 63,110	$ 57,805
Per Common Share Data
Basic earnings per common share (in dollars per share)	$ 0.29	$ 0.34	$ 0.61	$ 0.57
Diluted earnings per common share (in dollars per share)	0.29	0.34	0.61	0.57
Dividends declared per common share (in dollars per share)	$ 0.11	$ 0.10	$ 0.22	$ 0.19
Weighted-average common shares outstanding (in Shares)	102,159	101,743	102,041	101,081
Weighted-average diluted common shares outstanding (in Shares)	102,159	101,763	102,049	101,101

XML

Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Statement of Comprehensive Income [Abstract]
Net income	$ 29,600	$ 34,950	$ 63,110	$ 57,805
Unrealized holding (losses) gains:
Before tax	(8,980)	7,352	(34,133)	10,650
Tax effect	2,535	(2,941)	9,507	(4,262)
Net of tax	(6,445)	4,411	(24,626)	6,388
Reclassification of net gains included in net income:
Before tax	0	284	0	284
Tax effect	0	(114)	0	(114)
Net of tax	0	170	0	170
Net unrealized holding (losses) gains	(6,445)	4,241	(24,626)	6,218
Derivative Instruments
Before tax	(590)	(905)	(68)	(3,125)
Tax effect	166	361	19	1,250
Net of tax	(424)	(544)	(49)	(1,875)
Total other comprehensive (loss) income	(6,869)	3,697	(24,675)	4,343
Total comprehensive income	$ 22,731	$ 38,647	$ 38,435	$ 62,148

XML

Consolidated Statements of Comprehensive Income - AOCI - USD ($) $ in Thousands		6 Months Ended
		Jun. 30, 2018	Jun. 30, 2017	Dec. 31, 2017
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance		$ 1,864,874	$ 1,257,080
Other comprehensive income (loss)		(24,675)	4,343
Adjustments to apply recent accounting pronouncements	[1]			$ 0
Ending balance		1,883,563	1,836,843
Accumulated Unrealized Loss on Securities Available- for-Sale
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance		(13,976)	(22,645)
Other comprehensive income (loss)		(24,626)	6,218
Adjustments to apply recent accounting pronouncements	[2]			(2,864)
Ending balance		(41,466)	(16,427)
Accumulated Unrealized Loss on Derivative Instruments
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance		(3,763)	(1,176)
Other comprehensive income (loss)		(49)	(1,875)
Adjustments to apply recent accounting pronouncements	[2]			(784)
Ending balance		(4,596)	(3,051)
Unrecognized Net Pension Costs
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance		(15,297)	(17,089)
Other comprehensive income (loss)		0	0
Adjustments to apply recent accounting pronouncements	[2]			(3,041)
Ending balance		(18,338)	(17,089)
Total Accumulated Other Comprehensive Loss
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance		(33,036)	(40,910)
Other comprehensive income (loss)		(24,675)	4,343
Adjustments to apply recent accounting pronouncements	[1],[2]			$ (6,689)
Ending balance		$ (64,400)	$ (36,567)

[1] (1) As a result of accounting guidance adopted in the first quarter of 2018, certain reclassifications were made from accumulated other comprehensive loss to retained earnings as of January 1, 2018. For further discussion of this guidance, see Note 2, "Recent Accounting Pronouncements."

[2] As a result of accounting guidance adopted in the first quarter of 2018, certain reclassifications were made from accumulated other comprehensive loss to retained earnings as of January 1, 2018. For further discussion of this guidance, see Note 2, "Recent Accounting Pronouncements."

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Consolidated Statements of Changes In Stockholders' Equity - USD ($) $ in Thousands		Total	Common Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Loss		Treasury Stock
Balance Beginning (in shares) at Dec. 31, 2016			81,325,000
Beginning balance at Dec. 31, 2016		$ 1,257,080	$ 913	$ 498,937	$ 1,016,674	$ (40,910)		$ (218,534)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income		57,805			57,805
Other comprehensive income		4,343				4,343
Common dividends declared ($0.19 and $0.22 per common share in 2017 and 2018, respectively)		(18,407)			(18,407)
Acquisitions, net of issuance costs (in shares)			21,078,000
Acquisitions, net of issuance costs		534,090	$ 210	533,322				558
Common stock issued (in shares)			5,000
Common stock issued		110		110
Restricted stock activity (in shares)			340,000
Restricted stock activity		(3,840)		(12,588)				8,748
Treasury stock issued to benefit plans (in shares)			(7,000)
Treasury stock issued to benefit plans		(165)		(1)				(164)
Share-based compensation expense		5,827		5,827
Balance Ending (in shares) at Jun. 30, 2017			102,741,000
Ending balance at Jun. 30, 2017		1,836,843	$ 1,123	1,025,607	1,056,072	(36,567)		(209,392)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Adjustments to apply recent accounting pronouncements	[1]	$ 0			6,689	(6,689)	[2]
Balance Beginning (in shares) at Dec. 31, 2017		102,717,000	102,717,000
Beginning balance at Dec. 31, 2017		$ 1,864,874	$ 1,123	1,031,870	1,074,990	(33,036)		(210,073)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income		63,110			63,110
Other comprehensive income		(24,675)				(24,675)
Common dividends declared ($0.19 and $0.22 per common share in 2017 and 2018, respectively)		(22,682)			(22,682)
Acquisitions, net of issuance costs		0
Common stock issued (in shares)			5,000
Common stock issued		829	$ 1	161				667
Restricted stock activity (in shares)			339,000
Restricted stock activity		(4,047)		(12,558)				8,511
Treasury stock issued to benefit plans (in shares)			(2,000)
Treasury stock issued to benefit plans		(42)		34				(76)
Share-based compensation expense		$ 6,196		6,196
Balance Ending (in shares) at Jun. 30, 2018		103,059,000	103,059,000
Ending balance at Jun. 30, 2018		$ 1,883,563	$ 1,124	$ 1,025,703	$ 1,122,107	$ (64,400)		$ (200,971)

[1] (1) As a result of accounting guidance adopted in the first quarter of 2018, certain reclassifications were made from accumulated other comprehensive loss to retained earnings as of January 1, 2018. For further discussion of this guidance, see Note 2, "Recent Accounting Pronouncements."

[2] As a result of accounting guidance adopted in the first quarter of 2018, certain reclassifications were made from accumulated other comprehensive loss to retained earnings as of January 1, 2018. For further discussion of this guidance, see Note 2, "Recent Accounting Pronouncements."

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Consolidated Statements of Changes In Stockholders' Equity (Parentheticals) - $ / shares	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Statement of Stockholders' Equity [Abstract]
Dividends declared per common share (in dollars per share)	$ 0.11	$ 0.10	$ 0.22	$ 0.19

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Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Operating Activities
Net income	$ 63,110	$ 57,805
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for loan losses	26,795	13,157
Depreciation of premises, furniture, and equipment	7,584	6,993
Net amortization of premium on securities	7,738	8,327
Net securities gains	0	(284)
Gains on sales of 1-4 family mortgages and corporate loans held-for-sale	(3,134)	(3,293)
Net losses on sales and valuation adjustments of OREO	493	1,520
Amortization of the FDIC indemnification asset	604	604
Net losses (gains) on sales and valuation adjustments of premises, furniture, and equipment	5,449	(391)
BOLI income	(2,877)	(2,671)
Share-based compensation expense	6,196	5,827
Tax benefit (expense) related to share-based compensation	158	(13)
Amortization of other intangible assets	3,596	4,128
Originations of mortgage loans held-for-sale	(114,142)	(111,066)
Proceeds from sales of mortgage loans held-for-sale	130,900	116,655
Net increase in equity securities	(586)	0
Net increase in trading securities	0	(1,625)
Net decrease (increase) in accrued interest receivable and other assets	8,072	(7,481)
Net increase (decrease) in accrued interest payables and other liabilities	16,100	(6,933)
Net cash provided by operating activities	156,056	81,259
Investing Activities
Proceeds from maturities, repayments, and calls of securities available-for-sale	154,136	158,946
Proceeds from sales of securities available-for-sale	0	241,137
Purchases of securities available-for-sale	(462,071)	(172,451)
Proceeds from maturities, repayments, and calls of securities held-to-maturity	718	4,948
Purchases of securities held-to-maturity	0	(10)
Net purchases of FHLB stock	(13,070)	(3,955)
Net increase in loans	(479,514)	(225,537)
Premiums paid on BOLI, net of proceeds from claims	113	(6)
Proceeds from sales of OREO	8,638	8,476
Proceeds from sales of premises, furniture, and equipment	150	7,056
Purchases of premises, furniture, and equipment	(16,891)	(6,619)
Net cash received from acquisitions	0	41,717
Net cash (used in) provided by investing activities	(807,791)	53,702
Financing Activities
Net increase in deposit accounts	438,938	147,243
Net increase (decrease) in borrowed funds	266,160	(239,675)
Cash dividends paid	(21,619)	(16,485)
Restricted stock activity	(4,047)	(3,840)
Net cash provided by (used in) financing activities	679,432	(112,757)
Net increase in cash and cash equivalents	27,697	22,204
Cash and cash equivalents at beginning of period	346,570	262,148
Cash and cash equivalents at end of period	374,267	284,352
Supplemental Disclosures of Cash Flow Information:
Income taxes refunded	(18,898)	(958)
Interest paid to depositors and creditors	25,056	16,381
Dividends declared, but unpaid	11,248	9,165
Stock issued for acquisitions, net of issuance costs	0	534,090
Non-cash transfers of loans to OREO	1,172	1,982
Non-cash transfers of loans held-for-investment to loans held-for-sale	9,546	31,564
Non-cash transfer of trading securities and securities available-for-sale to equity securities	$ 27,855	$ 0

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Summary of Significant Accounting Policies

6 Months Ended

Jun. 30, 2018

Accounting Policies [Abstract]

Summary of Significant Accounting Policies

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

Basis of Presentation – The accompanying unaudited condensed consolidated interim financial statements ("consolidated financial statements") of First Midwest Bancorp, Inc. (the "Company"), a Delaware corporation, were prepared in accordance with the rules and regulations of the Securities and Exchange Commission ("SEC") for quarterly reports on Form 10-Q and reflect all adjustments that management deems necessary for the fair presentation of the financial position and results of operations for the periods presented. The results of operations for the quarter and six months ended June 30, 2018 are not necessarily indicative of the results that may be expected for the year ending December 31, 2018.

The accounting and reporting policies of the Company and its subsidiaries conform to U.S. generally accepted accounting principles ("GAAP") and general practices within the banking industry. The accompanying consolidated financial statements do not include certain information and note disclosures required by GAAP for complete annual financial statements. Therefore, these financial statements should be read in conjunction with the Company's 2017 Annual Report on Form 10-K ("2017 10-K"). The Company uses the accrual basis of accounting for financial reporting purposes. Certain reclassifications were made to prior year amounts to conform to the current year presentation.

Use of Estimates – The preparation of the consolidated financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the amounts reported in the consolidated financial statements and accompanying notes. Although these estimates and assumptions are based on the best available information, actual results could differ from those estimates.

Principles of Consolidation – The accompanying consolidated financial statements include the financial position and results of operations of the Company and its subsidiaries after elimination of all significant intercompany accounts and transactions. Assets held in a fiduciary or agency capacity are not assets of the Company or its subsidiaries and are not included in the consolidated financial statements.

The accounting policies related to business combinations, loans, the allowance for credit losses, and derivative financial instruments are presented below. For a summary of all other significant accounting policies, see Note 1, "Summary of Significant Accounting Policies," in the Company's 2017 10-K.

Business Combinations – Business combinations are accounted for under the acquisition method of accounting. Assets acquired and liabilities assumed are recorded at their estimated fair values as of the date of acquisition, with any excess of the purchase price of the acquisition over the fair value of the identifiable net tangible and intangible assets acquired recorded as goodwill. Alternatively, a gain is recorded if the fair value of assets purchased exceeds the fair value of liabilities assumed and consideration paid. The results of operations of the acquired business are included in the Condensed Consolidated Statements of Income from the effective date of the acquisition.

Loans – Loans held-for-investment are loans that the Company intends to hold until they are paid in full and are carried at the principal amount outstanding, including certain net deferred loan origination fees. Loan origination fees, commitment fees, and certain direct loan origination costs are deferred, and the net amount is amortized as a yield adjustment over the contractual life of the related loans or commitments and included in interest income. Fees related to letters of credit are amortized into fee income over the contractual life of the commitment. Other credit-related fees are recognized as fee income when earned. The Company's net investment in direct financing leases is included in loans and consists of future minimum lease payments and estimated residual values, net of unearned income. Interest income on loans is accrued based on principal amounts outstanding. Loans held-for-sale are carried at the lower of aggregate cost or fair value and included in other assets in the Consolidated Statements of Financial Condition.

Acquired and Covered Loans – Covered loans consists of loans acquired by the Company in Federal Deposit Insurance Corporation ("FDIC")-assisted transactions, which are covered by loss share agreements with the FDIC (the "FDIC Agreements"), under which the FDIC reimburses the Company for the majority of the losses and eligible expenses related to these assets during the coverage period. Acquired loans consist of all other loans that were acquired in business combinations that are not covered by the FDIC Agreements. Certain loans that were previously classified as covered loans are no longer covered under the FDIC Agreements, and are included in acquired loans. Covered loans and acquired loans are included within loans held-for-investment.

Acquired and covered loans are separated into (i) non-purchased credit impaired ("non-PCI") and (ii) purchased credit impaired ("PCI") loans. Non-PCI loans include loans that did not have evidence of credit deterioration since origination at the acquisition date. PCI loans include loans that had evidence of credit deterioration since origination and for which it was probable at acquisition that the Company would not collect all contractually required principal and interest payments. Evidence of credit deterioration was evaluated using various indicators, such as past due and non-accrual status. Leases and revolving loans do not qualify to be accounted for as PCI loans and are accounted for as non-PCI loans.

The acquisition adjustment related to non-PCI loans is amortized into interest income over the contractual life of the related loans. If an acquired non-PCI loan is renewed subsequent to the acquisition date, any remaining acquisition adjustment is accreted into interest income and the loan is considered a new loan that is no longer classified as an acquired loan.

PCI loans are accounted for based on estimates of expected future cash flows. To estimate the fair value, the Company generally aggregates purchased consumer loans and commercial loans into pools of loans with common risk characteristics, such as delinquency status, credit score, and internal risk ratings. The fair values of larger balance commercial loans are estimated on an individual basis. Expected future cash flows in excess of the fair value of loans at the purchase date ("accretable yield") are recorded as interest income over the life of the loans if the timing and amount of the expected future cash flows can be reasonably estimated. The non-accretable yield represents the difference between contractually required payments and the expected future cash flows determined at acquisition. Subsequent increases in expected future cash flows are offset against the allowance for credit losses to the extent an allowance has been established or otherwise recognized as interest income prospectively. The present value of any decreases in expected future cash flows is recognized by recording a charge-off through the allowance for loan losses or providing an allowance for loan losses.

90-Days Past Due Loans – The Company's accrual of interest on loans is generally discontinued at the time the loan is 90 days past due unless the credit is sufficiently collateralized and in the process of renewal or collection.

Non-accrual Loans– Generally, corporate loans are placed on non-accrual status (i) when either principal or interest payments become 90 days or more past due unless the credit is sufficiently collateralized and in the process of renewal or collection, or (ii) when an individual analysis of a borrower's creditworthiness warrants a downgrade to non-accrual regardless of past due status. When a loan is placed on non-accrual status, unpaid interest credited to income in the current year is reversed, and unpaid interest accrued in prior years is charged against the allowance for loan losses. After the loan is placed on non-accrual status, all debt service payments are applied to the principal on the loan. Future interest income may only be recorded on a cash basis after recovery of principal is reasonably assured. Non-accrual loans are returned to accrual status when the financial position of the borrower and other relevant factors indicate that the Company will collect all principal and interest.

Commercial loans and loans secured by real estate are charged-off when deemed uncollectible. A loss is recorded if the net realizable value of the underlying collateral is less than the outstanding principal and interest. Consumer loans that are not secured by real estate are subject to mandatory charge-off at a specified delinquency date and are usually not classified as non-accrual prior to being charged-off. Closed-end consumer loans, which include installment, automobile, and single payment loans, are usually charged-off no later than the end of the month in which the loan becomes 120 days past due.

PCI loans are generally considered accruing loans unless reasonable estimates of the timing and amount of expected future cash flows cannot be determined. Loans without reasonable future cash flow estimates are classified as non-accrual loans, and interest income is not recognized on those loans until the timing and amount of the expected future cash flows can be reasonably determined.

Troubled Debt Restructurings ("TDRs") – A restructuring is considered a TDR when (i) the borrower is experiencing financial difficulties, and (ii) the creditor grants a concession, such as forgiveness of principal, reduction of the interest rate, changes in payments, or extension of the maturity date. Loans are not classified as TDRs when the modification is short-term or results in an insignificant delay in payments. The Company's TDRs are determined on a case-by-case basis.

The Company does not accrue interest on a TDR unless it believes collection of all principal and interest under the modified terms is reasonably assured. For a TDR to begin accruing interest, the borrower must demonstrate some level of past performance and the future capacity to perform under the modified terms. Generally, six months of consecutive payment performance under the restructured terms is required before a TDR is returned to accrual status. However, the period could vary depending on the individual facts and circumstances of the loan. An evaluation of the borrower's current creditworthiness is used to assess the borrower's capacity to repay the loan under the modified terms. This evaluation includes an estimate of expected future cash flows, evidence of strong financial position, and estimates of the value of collateral, if applicable. For TDRs to be removed from TDR status in the calendar year after the restructuring, the loans must (i) have an interest rate and terms that reflect market conditions at the time of restructuring, and (ii) be in compliance with the modified terms. If the loan was restructured at below market rates and terms, it continues to be separately reported as restructured until it is paid in full or charged-off.

Impaired Loans – Impaired loans consist of corporate non-accrual loans and TDRs. A loan is considered impaired when it is probable that the Company will not collect all contractual principal and interest. With the exception of accruing TDRs, impaired loans are classified as non-accrual and are exclusive of smaller homogeneous loans, such as home equity, 1-4 family mortgages, and installment loans. Impaired loans with balances under a specified threshold are not individually evaluated for impairment. For all other impaired loans, impairment is measured by comparing the estimated value of the loan to the recorded book value. The value of collateral-dependent loans is based on the fair value of the underlying collateral, less costs to sell. The value of other loans is measured using the present value of expected future cash flows discounted at the loan's initial effective interest rate.

Allowance for Credit Losses – The allowance for credit losses is comprised of the allowance for loan losses and the reserve for unfunded commitments, and is maintained by management at a level believed adequate to absorb estimated losses inherent in the existing loan portfolio. Determination of the allowance for credit losses is subjective since it requires significant estimates and management judgment, including the amounts and timing of expected future cash flows on impaired loans, estimated losses on pools of homogeneous loans, consideration of current economic trends, and other factors.

Loans deemed to be uncollectible are charged-off against the allowance for loan losses, while recoveries of amounts previously charged-off are credited to the allowance for loan losses. Additions to the allowance for loan losses are charged to expense through the provision for loan losses. The amount of provision depends on a number of factors, including net charge-off levels, loan growth, changes in the composition of the loan portfolio, and the Company's assessment of the allowance for loan losses based on the methodology discussed below.

Allowance for Loan Losses– The allowance for loan losses consists of (i) specific reserves for individual loans where the recorded investment exceeds the value, (ii) an allowance based on a loss migration analysis that uses historical credit loss experience for each loan category, and (iii) an allowance based on other internal and external qualitative factors.

The specific reserves component of the allowance for loan losses is based on a periodic analysis of impaired loans exceeding a fixed dollar amount. If the value of an impaired loan is less than the recorded book value, the Company either establishes a valuation allowance (i.e., a specific reserve) equal to the excess of the book value over the collateral value of the loan as a component of the allowance for loan losses or charges off the amount if it is a confirmed loss.

The general reserve component is based on a loss migration analysis, which examines actual loss experience by loan category for a rolling 8-quarter period and the related internal risk rating for corporate loans. The loss migration analysis is updated quarterly, primarily using actual loss experience. This component is then adjusted based on management's consideration of many internal and external qualitative factors, including:

• Changes in the composition of the loan portfolio, trends in the volume of loans, and trends in delinquent and non-accrual loans that could indicate that historical trends do not reflect current conditions.

• Changes in credit policies and procedures, such as underwriting standards and collection, charge-off, and recovery practices.

• Changes in the experience, ability, and depth of credit management and other relevant staff.

• Changes in the quality of the Company's loan review system and Board of Directors oversight.

• The effect of any concentration of credit and changes in the level of concentrations, such as loan type or risk rating.

• Changes in the value of the underlying collateral for collateral-dependent loans.

• Changes in the national and local economy that affect the collectability of various segments of the portfolio.

• The effect of other external factors, such as competition and legal and regulatory requirements, on the Company's loan portfolio.

The allowance for loan losses also consists of an allowance on acquired and covered non-PCI and PCI loans. No allowance for loan losses is recorded on acquired loans at the acquisition date. Subsequent to the acquisition date, an allowance for credit losses is established as necessary to reflect credit deterioration. The acquired non-PCI allowance is based on management's evaluation of the acquired non-PCI loan portfolio giving consideration to the current portfolio balance, including the remaining acquisition adjustments, maturity dates, and overall credit quality. The allowance for covered non-PCI loans is calculated in the same manner as the general reserve component based on a loss migration analysis as discussed above. The acquired and covered PCI allowance reflects the difference between the carrying value and the discounted expected future cash flows of the acquired and covered PCI loans. On a periodic basis, the adequacy of this allowance is determined through a re-estimation of expected future cash flows on all of the outstanding acquired and covered PCI loans using either a probability of default/loss given default ("PD/LGD") methodology or a specific review methodology. The PD/LGD model is a loss model that estimates expected future cash flows using a probability of default curve and loss given default estimates. Acquired non-PCI loans that have renewed subsequent to the respective acquisition dates are no longer classified as acquired loans. Instead, they are included in the general loan population and allocated an allowance based on a loss migration analysis.

Reserve for Unfunded Commitments– The Company also maintains a reserve for unfunded commitments, including letters of credit, for the risk of loss inherent in these arrangements. The reserve for unfunded commitments is estimated using the loss migration analysis from the allowance for loan losses, adjusted for probabilities of future funding requirements. The reserve for unfunded commitments is included in other liabilities in the Consolidated Statements of Financial Condition.

The establishment of the allowance for credit losses involves a high degree of judgment given the difficulty of assessing the factors impacting loan repayment and estimating the timing and amount of losses. While management utilizes its best judgment and information available, the adequacy of the allowance for credit losses depends on a variety of factors beyond the Company's control, including the performance of its loan portfolio, the economy, changes in interest rates and property values, and the interpretation of loan risk classifications by regulatory authorities.

Derivative Financial Instruments – To provide derivative products to customers and in the ordinary course of business, the Company enters into derivative transactions as part of its overall interest rate risk management strategy to minimize significant unplanned fluctuations in earnings and expected future cash flows caused by interest rate volatility. All derivative instruments are recorded at fair value as either other assets or other liabilities in the Consolidated Statements of Financial Condition. Subsequent changes in a derivative's fair value are recognized in earnings unless specific hedge accounting criteria are met.

On the date the Company enters into a derivative contract, the derivative is designated as a fair value hedge, a cash flow hedge, or a non-hedge derivative instrument. Fair value hedges are designed to mitigate exposure to changes in the fair value of an asset or liability attributable to a particular risk, such as interest rate risk. Cash flow hedges are designed to mitigate exposure to variability in expected future cash flows to be received or paid related to an asset, liability, or other type of forecasted transaction. The Company formally documents all relationships between hedging instruments and hedged items, including its risk management objective and strategy at inception.

At the hedge's inception, a formal assessment is performed to determine the effectiveness of the derivative in offsetting changes in the fair values or expected future cash flows of the hedged items in the current period and prospectively. If a derivative instrument designated as a hedge is terminated or ceases to be highly effective, hedge accounting is discontinued prospectively, and the gain or loss is amortized into earnings. For fair value hedges, the gain or loss is amortized over the remaining life of the hedged asset or liability. For cash flow hedges, the gain or loss is amortized over the same period that the forecasted hedged transactions impact earnings. If the hedged item is disposed of, any fair value adjustments are included in the gain or loss from the disposition of the hedged item. If the forecasted transaction is no longer probable, the gain or loss is included in earnings immediately.

For fair value hedges, changes in the fair value of the derivative instruments, as well as changes in the fair value of the hedged item, are recognized in earnings in the same income statement line item as the earnings effect of the hedged item. For cash flow hedges, the effective portion of the change in fair value of the derivative instrument is reported as a component of accumulated other comprehensive loss and is reclassified to earnings when the hedged transaction is reflected in earnings.

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Recent Accounting Pronouncements

6 Months Ended

Jun. 30, 2018

New Accounting Pronouncements and Changes in Accounting Principles [Abstract]

Recent Accounting Pronouncements

RECENT ACCOUNTING PRONOUNCEMENTS

Adopted Accounting Pronouncements

Revenue from Contracts with Customers: In May of 2014, the Financial Accounting Standards Board ("FASB") issued guidance that requires an entity to recognize revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. In March of 2016, the FASB issued an amendment to this guidance to clarify the implementation of guidance on principal versus agent consideration. Additional amendments to clarify the implementation guidance on the identification of performance obligations and licensing were issued in April of 2016 and narrow-scope improvements and practical expedients were issued in May of 2016. The guidance is effective for annual and interim reporting periods beginning on or after December 15, 2017, and must be applied either retrospectively or using the modified retrospective approach.

The Company's revenue is comprised of net interest income on financial assets and liabilities, which is excluded from the scope of this guidance, and noninterest income. The primary sources of revenue within noninterest income are service charges on deposit accounts, wealth management fees, card-based fees, and merchant servicing fees. The adoption of this guidance on January 1, 2018, using the modified retrospective approach, affected how the Company presents merchant servicing fees, merchant card expenses, card-based fees, and cardholder expenses, which are presented on a gross basis within noninterest income and noninterest expense for the prior period and are presented on a net basis within noninterest income for the current period. Total expenses of $4.0 million and $7.7 million for the quarter and six months ended June 30, 2018 were netted in noninterest income. The adoption of this guidance did not impact net income; therefore, a cumulative effect adjustment to opening retained earnings was not deemed necessary. Consistent with the modified retrospective approach, the Company did not adjust prior period amounts for the reclassification of merchant card expenses and cardholder expenses.

A description of the Company's revenue streams accounted for under the scope of this guidance follows:

Service charges on deposit accounts – Service charges on deposit accounts consist of account analysis fees (net fees earned on analyzed business and public checking accounts), monthly service fees, and other deposit account related fees. The Company's performance obligation for account analysis fees and monthly service fees is generally satisfied, and the related revenue recognized, over the period in which the service is provided. Other deposit account related fees are largely transactional based and, therefore, the Company's performance obligation is satisfied, and related revenue recognized, at a point in time. Payment for service charges on deposit accounts is primarily received as a direct charge to customers' accounts. As a result of the adoption of this guidance, there was no impact to the method of recognizing revenue related to service charges on deposit accounts for the quarter and six months ended June 30, 2018.

Wealth management fees – Wealth management fees represents quarterly fees due from wealth management customers as consideration for managing the customers' assets. Wealth management services include custody of assets, investment management, escrow services, fees for trust services and similar fiduciary activities. Revenue is recognized when our performance obligation is completed each quarter, which is generally the time that payment is received. Also included are fees received from a third-party broker-dealer as part of a revenue-sharing agreement. These fees are paid to us by the third-party on a quarterly basis and recognized ratably throughout the quarter as our performance obligation is satisfied. As a result of the adoption of this guidance, there was no impact to the method of recognizing revenue related to wealth management fees for the quarter and six months ended June 30, 2018.

Card-based fees, net – Card-based fees, net consists of debit and credit card interchange fees for processing transactions, as well as various fees for automated teller machine ("ATM") and point-of-sale transactions processed through the related networks. Interchange, ATM, and point-of-sale fees from cardholder transactions represent a percentage of the underlying transaction value or a flat fee and are recognized daily in connection with the transaction processing services provided to the cardholder. Card-based fees are presented net of certain contract costs associated with the debit, credit and ATM card interchange networks. As a result of the adoption of this guidance, $1.9 million and $3.6 million of cardholder expenses are netted against card-based fees for the quarter and six months ended June 30, 2018, respectively.

Merchant servicing fees, net – Merchant servicing fees, net is included in other service charges, commissions, and fees in the Consolidated Statements of Income. The Company acts in an agency capacity with respect to its merchants to process their debit and credit card transactions, deriving revenue from assisting another entity in transactions with the Company's customers. Merchant servicing fees represent a percentage of the underlying net transaction volume or a flat fee and are recognized monthly. Merchant servicing fees are presented net of certain contract costs associated with the third-party merchant processing. As a result of the adoption of this guidance, $2.1 million and $4.1 million of merchant card expenses are netted against merchant servicing fees for the quarter and six months ended June 30, 2018, respectively.

Amendments to Guidance on Classifying and Measuring Financial Instruments: In January of 2016, the FASB issued guidance that will require entities to measure equity investments that do not result in consolidation and are not accounted for under the equity method at fair value. Any subsequent changes in fair value will be recognized in net income unless the investments qualify for a new practicability exception. Equity securities totaling $28.4 million are no longer classified as trading securities or securities available-for-sale. This guidance also requires entities to adjust the fair value disclosures for financial instruments carried at amortized cost from an entry price to an exit price. No changes were made to the guidance for classifying and measuring investments in debt securities and loans. Except as discussed above, the adoption of this guidance on January 1, 2018 did not materially impact the Company's financial condition, results of operations, or liquidity.

Classification of Certain Cash Receipts and Cash Payments: In August of 2016, the FASB issued guidance clarifying certain cash flow presentation and classification issues to reduce diversity in practice. The adoption of this guidance on January 1, 2018 did not materially impact the Company's financial condition, results of operations, or liquidity.

Income Taxes: In October of 2016, the FASB issued guidance that requires an entity to recognize the income tax consequences of an intra-entity transfer of an asset other than inventory when the transfer occurs. The adoption of this guidance on January 1, 2018 did not materially impact the Company's financial condition, results of operations, or liquidity.

Clarifying the Definition of a Business: In January of 2017, the FASB issued guidance that clarifies the definition of a business to assist entities with evaluating whether transactions should be accounted for as acquisitions or disposals of assets or businesses. The adoption of this guidance on January 1, 2018 did not impact the Company's financial condition, results of operations, or liquidity.

Presentation of Defined Benefit Retirement Plan Costs: In March of 2017, the FASB issued guidance that changes how employers that sponsor defined pension and or other postretirement benefit plans present the net periodic benefit cost in the income statement. Employers are required to present the service cost component of the net periodic benefit cost in the same income statement line item as other employee compensation costs arising from services rendered during the period. Other components of net periodic benefit cost are required to be presented separately from the line item(s) that includes the service cost. The adoption of this guidance on January 1, 2018 did not materially impact the Company's financial condition, results of operations, or liquidity.

Share-based Payment Award Modifications: In May of 2017, the FASB issued guidance to reduce diversity in practice by clarifying when changes to the terms or conditions of a share-based payment award must be accounted for as a modification. The adoption of this guidance on January 1, 2018 did not materially impact the Company's financial condition, results of operations, or liquidity.

Derivatives and Hedging: In August of 2017, the FASB issued guidance to better align the financial reporting related to hedging activities with the economic objectives of those activities and to simplify the application of current hedge accounting guidance. Entities are required to apply the guidance using a modified retrospective method as of the period of adoption. This guidance is effective for annual and interim periods beginning after December 31, 2018. Early adoption is permitted, and the Company elected to do so on January 1, 2018, which did not materially impact the Company's financial condition, results of operations, or liquidity.

Reclassification of Certain Tax Effects from Accumulated Other Comprehensive Income: In February of 2018, the FASB issued guidance that requires a reclassification from accumulated other comprehensive income to retained earnings for stranded tax effects resulting from the Tax Cuts and Jobs Act of 2017. Entities electing the reclassification are required to apply the guidance either at the beginning of the period of adoption or retrospectively for all periods impacted. This guidance is effective for annual and interim periods beginning after December 15, 2018. Early adoption is permitted and the Company elected to do so on January 1, 2018, which resulted in the reclassification of $6.8 million of stranded tax effects from accumulated other comprehensive loss to retained earnings as of the beginning of the period of adoption.

Accounting Pronouncements Pending Adoption

Leases: In February of 2016, the FASB issued guidance to increase transparency and comparability across entities for leasing arrangements. This guidance requires lessees to recognize assets and liabilities for most leases. For lessors, this guidance modifies the lease classification criteria and the accounting for sales-type and direct financing leases. In addition, this guidance clarifies criteria for the determination of whether a contract is or contains a lease. This guidance is effective for annual and interim periods beginning after December 15, 2018. Early adoption is permitted.

During 2016, First Midwest Bank (the "Bank") entered into a sale-leaseback transaction that resulted in a deferred gain of $82.5 million, with $71.7 million remaining as of June 30, 2018. Upon adoption of this guidance, the remaining deferred gain will be recognized immediately as a cumulative-effect adjustment to equity. For additional discussion of the sale-leaseback transaction, see Note 8 "Premises, Furniture, and Equipment" to the Consolidated Financial Statements in the Company's 2017 10-K. Management is completing its evaluation of the guidance and does not expect the adoption of the guidance will materially impact the Company's results of operations or liquidity, but anticipates a material increase in assets, liabilities, and equity.

Measurement of Credit Losses on Financial Instruments: In June of 2016, the FASB issued guidance that will require entities to present financial assets measured at amortized cost at the net amount expected to be collected, considering an entity's current estimate of all expected credit losses. In addition, credit losses relating to available-for-sale debt securities will be required to be recorded through an allowance for credit losses, with changes in credit loss estimates recognized through current earnings. This guidance is effective for annual and interim periods beginning after December 15, 2019. Early adoption is permitted, but not for periods beginning before December 15, 2018. Management is evaluating the guidance and the impact to the Company's financial condition, results of operations, or liquidity.

Accounting for Goodwill Impairment: In January of 2017, the FASB issued guidance that simplifies the accounting for goodwill impairment for all entities. The new guidance eliminates the requirement to calculate the implied fair value of goodwill using the second step of the quantitative two-step goodwill impairment model prescribed under current accounting guidance. Under the new guidance, if a reporting unit's carrying amount exceeds its fair value, an entity will record an impairment charge based on that difference. This guidance is effective for annual and interim goodwill impairment testing dates beginning after December 15, 2019. Early adoption is permitted for annual and interim goodwill impairment testing dates after January 1, 2017. Management does not expect the adoption of this guidance will materially impact the Company's financial condition, results of operations, or liquidity.

Premium Amortization on Purchased Callable Debt Securities: In March of 2017, the FASB issued guidance that shortens the amortization period for the premium on certain purchased callable debt securities to the earliest call date. This guidance is effective for annual and interim periods beginning after December 15, 2018. Early adoption is permitted. Management does not expect the adoption of this guidance will materially impact the Company's financial condition, results of operations, or liquidity.

Improvements to Nonemployee Share-based Payment Accounting: In June of 2018, the FASB issued guidance that aligns the measurement and classification guidance for share-based payments to nonemployees with the guidance for share-based payments to employees. This guidance is effective for annual and interim periods beginning after December 15, 2018. Early adoption is permitted. Management does not expect the adoption of this guidance will materially impact the Company's financial condition, results of operations, or liquidity.

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Acquisitions

6 Months Ended

Jun. 30, 2018

Business Combinations [Abstract]

Acquisitions

ACQUISITIONS

Pending Acquisition

Northern States Financial Corporation

On June 6, 2018, the Company entered into a definitive agreement to acquire Northern States Financial Corporation, ("Northern States"), the holding company for NorStates Bank, based in Waukegan, Illinois. As of June 30, 2018, Northern States had approximately $530 million in total assets, $450 million in deposits, and $310 million in loans. The merger agreement provides for an exchange ratio of 0.0369 shares of Company common stock for each share of Northern States common stock, subject to adjustment as set forth in the merger agreement. As of the date of the public announcement, the overall transaction was valued at approximately $91 million. The acquisition is expected to close in the fourth quarter of 2018, subject to customary regulatory approvals and closing conditions, as well as the approval of Northern States' stockholders.

Completed Acquisitions

Standard Bancshares, Inc.

On January 6, 2017, the Company completed its acquisition of Standard Bancshares, Inc. ("Standard"), the holding company for Standard Bank and Trust Company. Pursuant to the terms of the merger agreement, on January 6, 2017, each outstanding share of Standard common stock was canceled and converted into the right to receive 0.4350 of a share of Company common stock. Based on the closing price of shares of Company common stock of $25.34 on that date, as reported by NASDAQ, the value of the merger consideration per share of Standard common stock was $11.02. Each outstanding Standard stock settled right was redeemed for cash, and each outstanding Standard stock option and each share of Standard phantom stock were canceled and terminated in exchange for the right to receive cash, in each case, pursuant to the terms of the merger agreement. This resulted in an overall transaction value of approximately $580.7 million, which consisted of 21,057,085 shares of Company common stock and $47.1 million in cash. Goodwill of $345.3 million associated with the acquisition was recorded by the Company. All operating systems were converted during the first quarter of 2017. During 2017, the Company finalized the fair value adjustments associated with the Standard transaction.

Premier Asset Management LLC

On February 28, 2017, the Company completed its acquisition of Premier Asset Management LLC ("Premier"), a registered investment advisor based in Chicago, Illinois. At the close of the acquisition, the Company acquired approximately $550.0 million of trust assets under management. During the first quarter of 2018, the Company finalized the fair value adjustments associated with the Premier transaction.

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Securities

6 Months Ended

Jun. 30, 2018

Investments, Debt and Equity Securities [Abstract]

Securities

SECURITIES

The significant accounting policies related to securities are presented in Note 1, "Summary of Significant Accounting Policies" to the Consolidated Financial Statements in the Company's 2017 10-K.

A summary of the Company's securities portfolio by category and maturity is presented in the following tables.

Securities Portfolio

(Dollar amounts in thousands)

	As of June 30, 2018									As of December 31, 2017
	Amortized Cost		Gross Unrealized					Fair  Value		Amortized Cost		Gross Unrealized					Fair  Value
			Gains		Losses							Gains		Losses
Securities Available-for-Sale
U.S. treasury securities	$	49,455	$	2	$	(299	)	$	49,158	$	46,529	$	—	$	(184	)	$	46,345
U.S. agency securities	150,443		7		(2,166		)	148,284		157,636		197		(986		)	156,847
Collateralized mortgage   obligations ("CMOs")	1,270,304		368		(38,242		)	1,232,430		1,113,019		121		(17,954		)	1,095,186
Other mortgage-backed   securities ("MBSs")	450,512		229		(13,105		)	437,636		373,676		201		(4,334		)	369,543
Municipal securities	222,034		152		(3,841		)	218,345		209,558		693		(1,260		)	208,991
Corporate debt securities	57,867		2		(857		)	57,012		—		—		—			—
Equity securities(1)	—		—		—			—		7,408		194		(305		)	7,297
Total securities   available-for-sale	$	2,200,615	$	760	$	(58,510	)	$	2,142,865	$	1,907,826	$	1,406	$	(25,023	)	$	1,884,209
Securities Held-to-Maturity
Municipal securities	$	13,042	$	—	$	(2,124	)	$	10,918	$	13,760	$	—	$	(1,747	)	$	12,013
Equity Securities(1)								$	28,441								$	—
Trading Securities(1)								$	—								$	20,447

⁽¹⁾  As a result of accounting guidance adopted in the first quarter of 2018, equity securities are no longer presented within trading securities or securities available-for-sale and are now presented within equity securities in the Consolidated Statements of Financial Condition for the current period. For further discussion of this guidance, see Note 2, "Recent Accounting Pronouncements."

Remaining Contractual Maturity of Securities

(Dollar amounts in thousands)

	As of June 30, 2018
	Available-for-Sale				Held-to-Maturity
	Amortized Cost		Fair Value		Amortized Cost		Fair Value
One year or less	$	120,038	$	118,287	$	1,626	$	1,361
After one year to five years	165,112		162,703		5,197		4,350
After five years to ten years	194,649		191,809		2,177		1,823
After ten years	—		—		4,042		3,384
Securities that do not have a single contractual maturity date	1,720,816		1,670,066		—		—
Total	$	2,200,615	$	2,142,865	$	13,042	$	10,918

The carrying value of securities available-for-sale that were pledged to secure deposits or for other purposes as permitted or required by law totaled $1.3 billion as of June 30, 2018 and $1.1 billion as of December 31, 2017. No securities held-to-maturity were pledged as of June 30, 2018 or December 31, 2017.

Securities Available-for-Sale Gains

(Dollar amounts in thousands)

	Quarters Ended   June 30,				Six Months Ended   June 30,
	2018		2017		2018		2017
Gains on sales of securities:
Gross realized gains	$	—	$	284	$	—	$	284
Gross realized losses	—		—		—		—
Net realized gains on sales of securities	—		284		—		284
Non-cash impairment charges:
Other-than-temporary securities impairment ("OTTI")	—		—		—		—
Net realized gains	$	—	$	284	$	—	$	284

Accounting guidance requires that the credit portion of an OTTI charge be recognized through income. If a decline in fair value below carrying value is not attributable to credit deterioration and the Company does not intend to sell the security or believe it would not be more likely than not required to sell the security prior to recovery, the Company records the non-credit related portion of the decline in fair value in other comprehensive income.

There was no outstanding balance of OTTI previously recognized on securities available-for-sale as of either June 30, 2018 or December 31, 2017. During the quarters and six months ended June 30, 2018 and 2017no OTTI was recognized on securities available-for-sale.

The following table presents the aggregate amount of unrealized losses and the aggregate related fair values of securities with unrealized losses as of June 30, 2018 and December 31, 2017.

Securities in an Unrealized Loss Position

(Dollar amounts in thousands)

		Less Than 12 Months				12 Months or Longer				Total
	Number of Securities	Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses
As of June 30, 2018
Securities Available-for-Sale
U.S. treasury securities	22	$	32,699	$	252	$	14,459	$	47	$	47,158	$	299
U.S. agency securities	78	79,845		1,138		62,820		1,028		142,665		2,166
CMOs	242	562,594		13,295		568,315		24,947		1,130,909		38,242
MBSs	107	183,907		3,910		225,627		9,195		409,534		13,105
Municipal securities	451	122,847		1,872		58,580		1,969		181,427		3,841
Corporate debt securities	8	40,285		857		—		—		40,285		857
Total	908	$	1,022,177	$	21,324	$	929,801	$	37,186	$	1,951,978	$	58,510
Securities Held-to-Maturity
Municipal securities	8	$	—	$	—	$	10,918	$	2,124	$	10,918	$	2,124
As of December 31, 2017
Securities Available-for-Sale
U.S. treasury securities	20	$	19,918	$	87	$	26,427	$	97	$	46,345	$	184
U.S. agency securities	72	66,899		300		58,021		686		124,920		986
CMOs	211	365,131		3,265		633,227		14,689		998,358		17,954
MBSs	86	126,136		902		210,017		3,432		336,153		4,334
Municipal securities	265	35,500		479		81,360		781		116,860		1,260
Equity securities(1)	2	391		214		6,386		91		6,777		305
Total	656	$	613,975	$	5,247	$	1,015,438	$	19,776	$	1,629,413	$	25,023
Securities Held-to-Maturity
Municipal securities	8	$	—	$	—	$	12,013	$	1,747	$	12,013	$	1,747

⁽¹⁾  As a result of accounting guidance adopted in the first quarter of 2018, equity securities are no longer presented within securities available-for-sale and are now presented within equity securities in the Consolidated Statements of Financial Condition for the current period. For further discussion of this guidance, see Note 2, "Recent Accounting Pronouncements."

Substantially all of the Company's CMOs and other MBSs are either backed by U.S. government-owned agencies or issued by U.S. government-sponsored enterprises. Municipal securities are issued by municipal authorities, and the majority are supported by third-party insurance or some other form of credit enhancement. Management does not believe any of these securities with unrealized losses as of June 30, 2018 represent OTTI related to credit deterioration. These unrealized losses are attributed to changes in interest rates and temporary market movements. The Company does not intend to sell these securities and it is not more likely than not that the Company will be required to sell them before recovery of their amortized cost basis, which may be at maturity.

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Loans

6 Months Ended

Jun. 30, 2018

Loans and Leases Receivable Disclosure [Abstract]

Loans

LOANS

Loans Held-for-Investment

The following table presents the Company's loans held-for-investment by class.

Loan Portfolio

(Dollar amounts in thousands)

	As of
	June 30, 2018		December 31, 2017
Commercial and industrial	$	3,844,067	$	3,529,914
Agricultural	433,175		430,886
Commercial real estate:
Office, retail, and industrial	1,834,918		1,979,820
Multi-family	703,091		675,463
Construction	633,601		539,820
Other commercial real estate	1,337,396		1,358,515
Total commercial real estate	4,509,006		4,553,618
Total corporate loans	8,786,248		8,514,418
Home equity	847,903		827,055
1-4 family mortgages	880,181		774,357
Installment	377,233		321,982
Total consumer loans	2,105,317		1,923,394
Total loans	$	10,891,565	$	10,437,812
Deferred loan fees included in total loans	$	5,444	$	4,986
Overdrawn demand deposits included in total loans	8,163		8,587

The Company primarily lends to community-based and mid-sized businesses, commercial real estate customers, and consumers in its markets. Within these areas, the Company diversifies its loan portfolio by loan type, industry, and borrower.

It is the Company's policy to review each prospective credit to determine the appropriateness and the adequacy of security or collateral prior to making a loan. In the event of borrower default, the Company seeks recovery in compliance with state lending laws, the Company's lending standards, and credit monitoring and remediation procedures. A discussion of risk characteristics relevant to each portfolio segment is presented in Note 5, "Loans" to the Consolidated Financial Statements in the Company's 2017 10-K.

Loan Sales

The following table presents loan sales for the quarters and six months ended June 30, 2018 and 2017.

Loan Sales

(Dollar amounts in thousands)

	Quarters Ended   June 30,				Six Months Ended   June 30,
	2018		2017		2018		2017
Corporate loan sales
Proceeds from sales	$	3,991	$	19,569	$	12,312	$	34,937
Less book value of loans sold	3,861		19,123		11,984		34,240
Net gains on corporate loan sales(1)	130		446		328		697
1-4 family mortgage loan sales
Proceeds from sales	$	65,715	$	60,894	$	130,900	$	116,655
Less book value of loans sold	64,336		59,461		128,094		114,059
Net gains on 1-4 family mortgage loan sales(2)	1,379		1,433		2,806		2,596
Total net gains on loan sales	$	1,509	$	1,879	$	3,134	$	3,293

⁽¹⁾  Net gains on corporate loan sales are included in other service charges, commissions, and fees in the Condensed Consolidated Statements of Income.

⁽²⁾  Net gains on 1-4 family mortgage loan sales are included in mortgage banking income in the Condensed Consolidated Statements of Income.

The Company retained servicing responsibilities for a portion of the 1-4 family mortgage loans sold and collects servicing fees equal to a percentage of the outstanding principal balance. For additional disclosure related to the Company's obligations resulting from the sale of certain 1-4 family mortgage loans, see Note 10, "Commitments, Guarantees, and Contingent Liabilities."

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Acquired and Covered Loans

6 Months Ended

Jun. 30, 2018

Acquired Loans [Abstract]

Acquired and Covered Loans

ACQUIRED AND COVERED LOANS

The significant accounting policies related to acquired and covered loans, which are classified as PCI and non-PCI, are presented in Note 1, "Summary of Significant Accounting Policies."

The following table presents the carrying amount of acquired and covered PCI and non-PCI loans as of June 30, 2018 and December 31, 2017.

Acquired and Covered Loans⁽¹⁾ 

(Dollar amounts in thousands)

	As of June 30, 2018						As of December 31, 2017
	PCI		Non-PCI		Total		PCI		Non-PCI		Total
Acquired loans	$	106,218	$	1,243,420	$	1,349,638	$	130,694	$	1,512,664	$	1,643,358
Covered loans	6,138		8,550		14,688		6,759		11,789		18,548
Total acquired and covered loans	$	112,356	$	1,251,970	$	1,364,326	$	137,453	$	1,524,453	$	1,661,906

⁽¹⁾  Included in loans in the Consolidated Statements of Condition.

The outstanding balance of PCI loans was $170.2 million and $210.7 million as of June 30, 2018 and December 31, 2017, respectively.

Acquired non-PCI loans that are renewed are no longer classified as acquired loans. These loans totaled $419.8 million and $366.0 million as of June 30, 2018 and December 31, 2017, respectively.

In connection with the FDIC Agreements, the Company recorded an indemnification asset. To maintain eligibility for the loss share reimbursement, the Company is required to follow certain servicing procedures as specified in the FDIC Agreements. The Company was in compliance with those requirements as of June 30, 2018 and December 31, 2017.

Rollforwards of the carrying value of the FDIC indemnification asset for the quarters and six months ended June 30, 2018 and 2017 are presented in the following table.

Changes in the FDIC Indemnification Asset

(Dollar amounts in thousands)

	Quarters Ended   June 30,						Six Months Ended   June 30,
	2018			2017			2018			2017
Beginning balance	$	3,012		$	4,220		$	3,314		$	4,522
Amortization	(302		)	(302		)	(604		)	(604		)
Change in expected reimbursements from the FDIC for   changes in expected credit losses	29			(202		)	175			(530		)
Net payments (from) to the FDIC	(29		)	202			(175		)	530
Ending balance	$	2,710		$	3,918		$	2,710		$	3,918

Changes in the accretable yield for acquired and covered PCI loans were as follows.

Changes in Accretable Yield

(Dollar amounts in thousands)

	Quarters Ended   June 30,						Six Months Ended   June 30,
	2018			2017			2018			2017
Beginning balances	$	36,543		$	41,249		$	32,957		$	19,385
Additions	—			—			—			27,316
Accretion	(2,922		)	(3,888		)	(6,540		)	(7,843		)
Other(1)	5,387			2,509			12,591			1,012
Ending balance	$	39,008		$	39,870		$	39,008		$	39,870

⁽¹⁾  Increases represent a rise in the expected future cash flows to be collected over the remaining estimated life of the underlying portfolio, while decreases result from the resolution of certain loans occurring earlier than anticipated.

Total accretion on acquired and covered PCI and non-PCI loans for the quarter and six months ended June 30, 2018 was $4.4 million and $9.6 million, respectively, and $8.8 million and $20.1 million, for the same periods in 2017.

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Past Due Loans, Allowance For Credit Losses, Impaired Loans, and TDRS

6 Months Ended

Jun. 30, 2018

Accounts, Notes, Loans and Financing Receivable, Gross, Allowance, and Net [Abstract]

Past Due Loans, Allowance For Credit Losses, Impaired Loans, and TDRS

PAST DUE LOANS, ALLOWANCE FOR CREDIT LOSSES, IMPAIRED LOANS, AND TDRS

Past Due and Non-accrual Loans

The following table presents an aging analysis of the Company's past due loans as of June 30, 2018 and December 31, 2017. The aging is determined without regard to accrual status. The table also presents non-performing loans, consisting of non-accrual loans (the majority of which are past due) and loans 90 days or more past due and still accruing interest, as of each balance sheet date.

Aging Analysis of Past Due Loans and Non-performing Loans by Class

(Dollar amounts in thousands)

	Aging Analysis (Accruing and Non-accrual)										Non-performing Loans
	Current(1)		30-89 Days Past Due		90 Days or More Past Due		Total Past Due		Total Loans		Non- accrual(2)		90 Days or More Past Due, Still Accruing Interest
As of June 30, 2018
Commercial and industrial	$	3,807,618	$	18,230	$	18,219	$	36,449	$	3,844,067	$	22,672	$	1,544
Agricultural	427,295		1,477		4,403		5,880		433,175		2,992		1,418
Commercial real estate:
Office, retail, and industrial	1,820,408		5,366		9,144		14,510		1,834,918		9,007		1,402
Multi-family	696,920		3,530		2,641		6,171		703,091		3,551		2,269
Construction	633,043		107		451		558		633,601		208		243
Other commercial real estate	1,326,694		6,640		4,062		10,702		1,337,396		5,288		591
Total commercial real estate	4,477,065		15,643		16,298		31,941		4,509,006		18,054		4,505
Total corporate loans	8,711,978		35,350		38,920		74,270		8,786,248		43,718		7,467
Home equity	842,257		4,048		1,598		5,646		847,903		5,399		—
1-4 family mortgages	876,045		1,986		2,150		4,136		880,181		4,358		41
Installment	374,011		2,776		446		3,222		377,233		—		446
Total consumer loans	2,092,313		8,810		4,194		13,004		2,105,317		9,757		487
Total loans	$	10,804,291	$	44,160	$	43,114	$	87,274	$	10,891,565	$	53,475	$	7,954
As of December 31, 2017
Commercial and industrial	$	3,490,783	$	34,620	$	4,511	$	39,131	$	3,529,914	$	40,580	$	1,830
Agricultural	430,221		280		385		665		430,886		219		177
Commercial real estate:
Office, retail, and industrial	1,970,564		3,156		6,100		9,256		1,979,820		11,560		345
Multi-family	672,098		3,117		248		3,365		675,463		377		20
Construction	539,043		198		579		777		539,820		209		371
Other commercial real estate	1,353,263		2,545		2,707		5,252		1,358,515		3,621		317
Total commercial real estate	4,534,968		9,016		9,634		18,650		4,553,618		15,767		1,053
Total corporate loans	8,455,972		43,916		14,530		58,446		8,514,418		56,566		3,060
Home equity	820,099		4,102		2,854		6,956		827,055		5,946		98
1-4 family mortgages	770,120		2,145		2,092		4,237		774,357		4,412		—
Installment	319,178		2,407		397		2,804		321,982		—		397
Total consumer loans	1,909,397		8,654		5,343		13,997		1,923,394		10,358		495
Total loans	$	10,365,369	$	52,570	$	19,873	$	72,443	$	10,437,812	$	66,924	$	3,555

⁽¹⁾  PCI loans with an accretable yield are considered current.

⁽²⁾  Includes PCI loans of $748,000 and $763,000 as of June 30, 2018 and December 31, 2017, respectively, which no longer have an accretable yield as estimates of expected future cash flows have decreased since the acquisition due to credit deterioration.

Allowance for Credit Losses

The Company maintains an allowance for credit losses at a level deemed adequate by management to absorb estimated losses inherent in the existing loan portfolio. See Note 1, "Summary of Significant Accounting Policies," for the accounting policy for the allowance for credit losses. A rollforward of the allowance for credit losses by portfolio segment for the quarters and six months ended June 30, 2018 and 2017 is presented in the table below.

Allowance for Credit Losses by Portfolio Segment

(Dollar amounts in thousands)

	Commercial, Industrial, and Agricultural			Office, Retail, and Industrial			Multi- family			Construction			Other Commercial Real Estate			Consumer			Reserve for Unfunded Commitments		Total Allowance for Credit Losses
Quarter ended June 30, 2018
Beginning balance	$	57,200		$	10,607		$	2,592		$	1,972		$	5,291		$	17,192		$	1,000	$	95,854
Charge-offs	(8,662		)	(305		)	(4		)	—			(1		)	(2,337		)	—		(11,309		)
Recoveries	753			26			—			8			359			386			—		1,532
Net charge-offs	(7,909		)	(279		)	(4		)	8			358			(1,951		)	—		(9,777		)
Provision for loan   losses and other	10,752			(1,266		)	(413		)	144			(1,018		)	3,415			—		11,614
Ending balance	$	60,043		$	9,062		$	2,175		$	2,124		$	4,631		$	18,656		$	1,000	$	97,691
Quarter ended June 30, 2017
Beginning balance	$	41,786		$	17,701		$	2,860		$	4,110		$	6,922		$	14,784		$	1,000	$	89,163
Charge-offs	(2,957		)	—			—			(39		)	(307		)	(1,556		)	—		(4,859		)
Recoveries	400			8			6			12			79			323			—		828
Net charge-offs	(2,557		)	8			6			(27		)	(228		)	(1,233		)	—		(4,031		)
Provision for loan   losses and other	7,042			(2,701		)	53			11			785			3,049			—		8,239
Ending balance	$	46,271		$	15,008		$	2,919		$	4,094		$	7,479		$	16,600		$	1,000	$	93,371
Six months ended June 30, 2018
Beginning balance	$	55,791		$	10,996		$	2,534		$	3,481		$	6,381		$	16,546		$	1,000	$	96,729
Charge-offs	(23,332		)	(766		)	(4		)	—			(70		)	(4,222		)	—		(28,394		)
Recoveries	1,291			123			—			21			398			728			—		2,561
Net charge-offs	(22,041		)	(643		)	(4		)	21			328			(3,494		)	—		(25,833		)
Provision for loan   losses and other	26,293			(1,291		)	(355		)	(1,378		)	(2,078		)	5,604			—		26,795
Ending balance	$	60,043		$	9,062		$	2,175		$	2,124		$	4,631		$	18,656		$	1,000	$	97,691
Six months ended June 30, 2017
Beginning balance	$	40,709		$	17,595		$	3,261		$	3,444		$	7,739		$	13,335		$	1,000	$	87,083
Charge-offs	(7,031		)	(127		)	—			(44		)	(715		)	(3,220		)	—		(11,137		)
Recoveries	2,066			983			34			239			180			766			—		4,268
Net charge-offs	(4,965		)	856			34			195			(535		)	(2,454		)	—		(6,869		)
Provision for loan   losses and other	10,527			(3,443		)	(376		)	455			275			5,719			—		13,157
Ending balance	$	46,271		$	15,008		$	2,919		$	4,094		$	7,479		$	16,600		$	1,000	$	93,371

The table below provides a breakdown of loans and the related allowance for credit losses by portfolio segment as of June 30, 2018 and December 31, 2017.

Loans and Related Allowance for Credit Losses by Portfolio Segment

(Dollar amounts in thousands)

	Loans								Allowance for Credit Losses
	Individually Evaluated for Impairment		Collectively Evaluated for Impairment		PCI		Total		Individually Evaluated for Impairment		Collectively Evaluated for Impairment		PCI		Total
As of June 30, 2018
Commercial, industrial, and   agricultural	$	23,598	$	4,248,880	$	4,764	$	4,277,242	$	2,884	$	56,725	$	434	$	60,043
Commercial real estate:
Office, retail, and industrial	7,642		1,815,329		11,947		1,834,918		792		6,624		1,646		9,062
Multi-family	3,941		686,136		13,014		703,091		—		1,998		177		2,175
Construction	—		628,649		4,952		633,601		—		1,968		156		2,124
Other commercial real estate	3,165		1,276,791		57,440		1,337,396		—		3,823		808		4,631
Total commercial real estate	14,748		4,406,905		87,353		4,509,006		792		14,413		2,787		17,992
Total corporate loans	38,346		8,655,785		92,117		8,786,248		3,676		71,138		3,221		78,035
Consumer	—		2,085,078		20,239		2,105,317		—		17,167		1,489		18,656
Reserve for unfunded   commitments	—		—		—		—		—		1,000		—		1,000
Total loans	$	38,346	$	10,740,863	$	112,356	$	10,891,565	$	3,676	$	89,305	$	4,710	$	97,691
As of December 31, 2017
Commercial, industrial, and   agricultural	$	38,718	$	3,909,380	$	12,702	$	3,960,800	$	10,074	$	45,293	$	424	$	55,791
Commercial real estate:
Office, retail, and industrial	10,810		1,954,435		14,575		1,979,820		—		9,333		1,663		10,996
Multi-family	621		660,771		14,071		675,463		—		2,436		98		2,534
Construction	—		530,977		8,843		539,820		—		3,331		150		3,481
Other commercial real estate	1,468		1,291,723		65,324		1,358,515		—		5,415		966		6,381
Total commercial real estate	12,899		4,437,906		102,813		4,553,618		—		20,515		2,877		23,392
Total corporate loans	51,617		8,347,286		115,515		8,514,418		10,074		65,808		3,301		79,183
Consumer	—		1,901,456		21,938		1,923,394		—		15,533		1,013		16,546
Reserve for unfunded   commitments	—		—		—		—		—		1,000		—		1,000
Total loans	$	51,617	$	10,248,742	$	137,453	$	10,437,812	$	10,074	$	82,341	$	4,314	$	96,729

Loans Individually Evaluated for Impairment

The following table presents loans individually evaluated for impairment by class of loan as of June 30, 2018 and December 31, 2017. PCI loans are excluded from this disclosure.

Impaired Loans Individually Evaluated by Class

(Dollar amounts in thousands)

	As of June 30, 2018								As of December 31, 2017
	Recorded Investment In								Recorded Investment In
	Loans with No Specific Reserve		Loans with a Specific Reserve		Unpaid Principal Balance		Specific Reserve		Loans with No Specific Reserve		Loans with a Specific Reserve		Unpaid Principal Balance		Specific Reserve
Commercial and industrial	$	5,777	$	14,919	$	40,033	$	2,683	$	4,234	$	34,484	$	53,192	$	10,074
Agricultural	—		2,902		4,672		201		—		—		—		—
Commercial real estate:
Office, retail, and industrial	3,303		4,339		8,125		792		7,154		3,656		14,246		—
Multi-family	3,941		—		3,941		—		621		—		621		—
Construction	—		—		—		—		—		—		—		—
Other commercial real estate	3,165		—		3,199		—		1,468		—		1,566		—
Total commercial real estate	10,409		4,339		15,265		792		9,243		3,656		16,433		—
Total impaired loans   individually evaluated for   impairment	$	16,186	$	22,160	$	59,970	$	3,676	$	13,477	$	38,140	$	69,625	$	10,074

The following table presents the average recorded investment and interest income recognized on impaired loans by class for the quarters and six months ended June 30, 2018 and 2017. PCI loans are excluded from this disclosure.

Average Recorded Investment and Interest Income Recognized on Impaired Loans by Class

(Dollar amounts in thousands)

	Quarters Ended June 30,
	2018				2017
	Average Recorded Investment		Interest Income Recognized(1)		Average Recorded Investment		Interest Income Recognized(1)
Commercial and industrial	$	31,787	$	14	$	33,648	$	342
Agricultural	3,386		25		697		—
Commercial real estate:
Office, retail, and industrial	9,509		656		13,612		169
Multi-family	2,166		48		396		—
Construction	—		—		—		—
Other commercial real estate	2,694		61		2,334		8
Total commercial real estate	14,369		765		16,342		177
Total impaired loans	$	49,542	$	804	$	50,687	$	519
	Six Months Ended June 30,
	2018				2017
	Average Recorded Investment		Interest Income Recognized(1)		Average Recorded Investment		Interest Income Recognized(1)
Commercial and industrial	$	34,097	$	36	$	30,647	$	556
Agricultural	2,257		25		464		—
Commercial real estate:
Office, retail, and industrial	9,942		768		14,503		262
Multi-family	1,651		55		397		28
Construction	—		—		11		136
Other commercial real estate	2,285		113		1,984		20
Total commercial real estate	13,878		936		16,895		446
Total impaired loans	$	50,232	$	997	$	48,006	$	1,002

⁽¹⁾  Recorded using the cash basis of accounting.

Credit Quality Indicators

Corporate loans and commitments are assessed for credit risk and assigned ratings based on various characteristics, such as the borrower's cash flow, leverage, and collateral. Ratings for commercial credits are reviewed periodically. The following tables present credit quality indicators by class for corporate and consumer loans, as of June 30, 2018 and December 31, 2017.

Corporate Credit Quality Indicators by Class

(Dollar amounts in thousands)

	Pass		Special  Mention(1)(4)		Substandard(2)(4)		Non-accrual(3)		Total
As of June 30, 2018
Commercial and industrial	$	3,648,626	$	122,881	$	49,888	$	22,672	$	3,844,067
Agricultural	415,043		8,474		6,666		2,992		433,175
Commercial real estate:
Office, retail, and industrial	1,770,908		23,602		31,401		9,007		1,834,918
Multi-family	687,065		10,460		2,015		3,551		703,091
Construction	607,142		18,915		7,336		208		633,601
Other commercial real estate	1,281,870		32,137		18,101		5,288		1,337,396
Total commercial real estate	4,346,985		85,114		58,853		18,054		4,509,006
Total corporate loans	$	8,410,654	$	216,469	$	115,407	$	43,718	$	8,786,248
As of December 31, 2017
Commercial and industrial	$	3,388,133	$	70,863	$	30,338	$	40,580	$	3,529,914
Agricultural	413,946		10,989		5,732		219		430,886
Commercial real estate:
Office, retail, and industrial	1,903,737		25,546		38,977		11,560		1,979,820
Multi-family	665,496		7,395		2,195		377		675,463
Construction	521,911		10,184		7,516		209		539,820
Other commercial real estate	1,304,337		29,624		20,933		3,621		1,358,515
Total commercial real estate	4,395,481		72,749		69,621		15,767		4,553,618
Total corporate loans	$	8,197,560	$	154,601	$	105,691	$	56,566	$	8,514,418

⁽¹⁾  Loans categorized as special mention exhibit potential weaknesses that require the close attention of management since these potential weaknesses may result in the deterioration of repayment prospects in the future.

⁽²⁾  Loans categorized as substandard exhibit well-defined weaknesses that may jeopardize the liquidation of the debt. These loans continue to accrue interest because they are well-secured and collection of principal and interest is expected within a reasonable time.

⁽³⁾  Loans categorized as non-accrual exhibit well-defined weaknesses that may jeopardize the liquidation of the debt or result in a loss if the deficiencies are not corrected.

⁽⁴⁾  Total special mention and substandard loans includes accruing TDRs of $645,000 as of June 30, 2018 and $657,000 as of December 31, 2017.

Consumer Credit Quality Indicators by Class

(Dollar amounts in thousands)

	Performing		Non-accrual		Total
As of June 30, 2018
Home equity	$	842,504	$	5,399	$	847,903
1-4 family mortgages	875,823		4,358		880,181
Installment	377,233		—		377,233
Total consumer loans	$	2,095,560	$	9,757	$	2,105,317
As of December 31, 2017
Home equity	$	821,109	$	5,946	$	827,055
1-4 family mortgages	769,945		4,412		774,357
Installment	321,982		—		321,982
Total consumer loans	$	1,913,036	$	10,358	$	1,923,394

TDRs

TDRs are generally performed at the request of the individual borrower and may include forgiveness of principal, reduction in interest rates, changes in payments, and maturity date extensions. The table below presents TDRs by class as of June 30, 2018 and December 31, 2017. See Note 1, "Summary of Significant Accounting Policies," for the accounting policy for TDRs.

TDRs by Class

(Dollar amounts in thousands)

	As of June 30, 2018						As of December 31, 2017
	Accruing		Non-accrual(1)		Total		Accruing		Non-accrual(1)		Total
Commercial and industrial	$	255	$	6,845	$	7,100	$	264	$	18,959	$	19,223
Agricultural	—		—		—		—		—		—
Commercial real estate:
Office, retail, and industrial	—		501		501		—		4,236		4,236
Multi-family	566		—		566		574		149		723
Construction	—		—		—		—		—		—
Other commercial real estate	187		—		187		192		—		192
Total commercial real estate	753		501		1,254		766		4,385		5,151
Total corporate loans	1,008		7,346		8,354		1,030		23,344		24,374
Home equity	84		470		554		86		738		824
1-4 family mortgages	668		422		1,090		680		451		1,131
Installment	—		—		—		—		—		—
Total consumer loans	752		892		1,644		766		1,189		1,955
Total loans	$	1,760	$	8,238	$	9,998	$	1,796	$	24,533	$	26,329

⁽¹⁾  These TDRs are included in non-accrual loans in the preceding tables.

TDRs are included in the calculation of the allowance for credit losses in the same manner as impaired loans. There were $625,000 and $2.0 million specific reserves related to TDRs as of June 30, 2018 and December 31, 2017, respectively.

Accruing TDRs that do not perform in accordance with their modified terms are transferred to non-accrual. There were no material TDRs that defaulted within twelve months of the restructure date during the quarters and six months ended June 30, 2018 and 2017.

A rollforward of the carrying value of TDRs for the quarters and six months ended June 30, 2018 and 2017 is presented in the following table.

TDR Rollforward

(Dollar amounts in thousands)

	Quarters Ended   June 30,						Six Months Ended   June 30,
	2018			2017			2018			2017
Accruing
Beginning balance	$	1,778		$	2,112		$	1,796		$	2,291
Additions	—			—			—			922
Net payments	(18		)	(83		)	(36		)	(107		)
Net transfers from (to) non-accrual	—			—			—			(1,077		)
Ending balance	1,760			2,029			1,760			2,029
Non-accrual
Beginning balance	20,466			3,112			24,533			6,297
Additions	—			—			355			—
Net payments	(9,865		)	(75		)	(12,978		)	(4,225		)
Charge-offs	(2,363		)	(1		)	(3,672		)	(113		)
Net transfers from accruing	—			—			—			1,077
Ending balance	8,238			3,036			8,238			3,036
Total TDRs	$	9,998		$	5,065		$	9,998		$	5,065

For TDRs to be removed from TDR status in the calendar year after the restructuring, the loans must (i) have an interest rate and terms that reflect market conditions at the time of restructuring, and (ii) be in compliance with the modified terms. Loans that were not restructured at market rates and terms, that are not in compliance with the modified terms, or for which there is a concern about the future ability of the borrower to meet its obligations under the modified terms, continue to be separately reported as restructured until paid in full or charged-off.

There were no material commitments to lend additional funds to borrowers with TDRs as of June 30, 2018 or December 31, 2017.

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Earnings Per Common Share

6 Months Ended

Jun. 30, 2018

Earnings Per Share [Abstract]

Earnings Per Common Share

EARNINGS PER COMMON SHARE

The table below displays the calculation of basic and diluted earnings per common share ("EPS").

Basic and Diluted EPS

(Amounts in thousands, except per share data)

	Quarters Ended   June 30,						Six Months Ended   June 30,
	2018			2017			2018			2017
Net income	$	29,600		$	34,950		$	63,110		$	57,805
Net income applicable to non-vested restricted shares	(240		)	(336		)	(551		)	(570		)
Net income applicable to common shares	$	29,360		$	34,614		$	62,559		$	57,235
Weighted-average common shares outstanding:
Weighted-average common shares outstanding (basic)	102,159			101,743			102,041			101,081
Dilutive effect of common stock equivalents	—			20			8			20
Weighted-average diluted common shares outstanding	102,159			101,763			102,049			101,101
Basic EPS	$	0.29		$	0.34		$	0.61		$	0.57
Diluted EPS	$	0.29		$	0.34		$	0.61		$	0.57
Anti-dilutive shares not included in the computation of diluted EPS(1)	—			195			54			269

⁽¹⁾  This amount represents outstanding stock options for which the exercise price is greater than the average market price of the Company's common stock. The final outstanding stock options were exercised during the first quarter of 2018.

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Derivative Instruments and Hedging Activities

6 Months Ended

Jun. 30, 2018

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Derivative Instruments and Hedging Activities

DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES

In the ordinary course of business, the Company enters into derivative transactions as part of its overall interest rate risk management strategy. The significant accounting policies related to derivative instruments and hedging activities are presented in Note 1, "Summary of Significant Accounting Policies."

Fair Value Hedges

The Company hedges the fair value of fixed rate commercial real estate loans using interest rate swaps through which the Company pays fixed amounts and receives variable amounts. These derivative contracts are designated as fair value hedges.

Fair Value Hedges

(Dollar amounts in thousands)

	As of
	June 30, 2018			December 31, 2017
Gross notional amount outstanding	$	5,208		$	5,458
Derivative liability fair value in other liabilities	(33		)	(101		)
Weighted-average interest rate received	4.00		%	3.38		%
Weighted-average interest rate paid	5.96		%	5.96		%
Weighted-average maturity (in years)	0.35			0.84
Fair value of derivative(1)	$	40		$	110

⁽¹⁾  This amount represents the fair value if credit risk related contingent features were triggered.

Changes in the fair value of fair value hedges are recognized in other noninterest income in the Condensed Consolidated Statements of Income.

Cash Flow Hedges

As of June 30, 2018, the Company hedged $1.1 billion of certain corporate variable rate loans using interest rate swaps through which the Company receives fixed amounts and pays variable amounts. The Company also hedged $1.0 billion of borrowed funds using forward starting interest rate swaps through which the Company receives variable amounts and pays fixed amounts. These transactions allow the Company to add stability to net interest income and manage its exposure to interest rate movements.

Forward starting interest rate swaps totaling $710.0 million began on various dates between June of 2015 and May of 2018, and mature between June of 2019 and May of 2020. The remaining forward starting interest rate swaps totaling $320.0 million begin at various dates between December of 2018 and February of 2021 and mature between December of 2021 and February of 2023. The weighted-average fixed interest rate to be paid on these interest rate swaps that have not yet begun was 2.49% as of June 30, 2018. These derivative contracts are designated as cash flow hedges.

Cash Flow Hedges

(Dollar amounts in thousands)

	As of
	June 30, 2018			December 31, 2017
Gross notional amount outstanding	$	2,170,000		$	1,960,000
Derivative asset fair value in other assets(1)	8,389			3,989
Derivative liability fair value in other liabilities(1)	(18,876		)	(10,219		)
Weighted-average interest rate received	2.01		%	1.58		%
Weighted-average interest rate paid	1.97		%	1.61		%
Weighted-average maturity (in years)	2.01			2.25

⁽¹⁾  Certain cash flow hedges are transacted through a clearinghouse ("centrally cleared") and their change in fair value is settled by the counterparties to the transaction, which results in no fair value.

Changes in the fair value of cash flow hedges are recorded in accumulated other comprehensive loss on an after-tax basis and are subsequently reclassified to interest income or expense in the period that the forecasted hedged item impacts earnings. As of June 30, 2018, the Company estimates that $2.0 million will be reclassified from accumulated other comprehensive loss as a decrease to interest income over the next twelve months.

Other Derivative Instruments

The Company also enters into derivative transactions through capital market products with its commercial customers and simultaneously enters into an offsetting interest rate derivative transaction with third-parties. This transaction allows the Company's customers to effectively convert a variable rate loan into a fixed rate loan. Due to the offsetting nature of these transactions, the Company does not apply hedge accounting treatment. The Company's credit exposure on these derivative transactions results primarily from counterparty credit risk. The credit valuation adjustment ("CVA") is a fair value adjustment to the derivative to account for this risk. As of June 30, 2018 and December 31, 2017, the Company's credit exposure was fully secured by the underlying collateral on customer loans and mitigated through netting arrangements with third-parties, therefore, no CVA was recorded. Capital market products income related to commercial customer derivative instruments totaled $2.8 million and $4.4 million for the quarter and six months ended June 30, 2018, respectively. There were $2.2 million and $3.6 million of capital market products income for the quarter and six months ended June 30, 2017, respectively.

Other Derivative Instruments

(Dollar amounts in thousands)

	As of
	June 30, 2018			December 31, 2017
Gross notional amount outstanding	$	3,060,888		$	2,665,358
Derivative asset fair value in other assets(1)	26,691			17,079
Derivative liability fair value in other liabilities(1)	(29,131		)	(14,930		)
Fair value of derivative(2)	29,141			15,059

⁽¹⁾  Certain other derivative instruments are centrally cleared and their change in fair value is settled by the counterparties to the transaction, which results in no fair value.

⁽²⁾  This amount represents the fair value if credit risk related contingent features were triggered.

The Company occasionally enters into risk participation agreements with counterparty banks to transfer or assume a portion of the credit risk related to customer transactions. The amounts of these instruments were not material for any periods presented. The Company had no other derivative instruments as of June 30, 2018 and December 31, 2017. The Company does not enter into derivative transactions for purely speculative purposes.

The following table presents the impact of derivative instruments on comprehensive income and the reclassification of gains (losses) from accumulated other comprehensive loss to net interest income for the quarters and six months ended June 30, 2018 and 2017.

Cash Flow Hedge Accounting on AOCI

(Dollar amounts in thousands)

	Quarters Ended   June 30,						Six Months Ended   June 30,
	2018			2017			2018			2017
Gains (losses) recognized in other comprehensive income
Interest rate swaps in interest income	$	3,577		$	3,541		$	10,573		$	5,352
Interest rate swaps in interest expense	(2,860		)	(3,089		)	(10,043		)	(3,391		)
Reclassification of gains (losses) included in net income
Interest rate swaps in interest income	$	376		$	1,531		$	647		$	3,387
Interest rate swaps in interest expense	(503		)	(1,078		)	(1,109		)	(2,223		)

The following table presents the impact of derivative instruments on net interest income for the quarters and six months ended June 30, 2018 and 2017.

Hedge Income

(Dollar amounts in thousands)

	Quarters Ended   June 30,						Six Months Ended   June 30,
	2018			2017			2018			2017
Fair Value Hedges
Interest rate swaps in interest income	$	(18	)	$	(56	)	$	(59	)	$	(90	)
Cash Flow Hedges
Interest rate swaps in interest income	376			1,531			647			3,387
Interest rate swaps in interest expense	(503		)	(1,078		)	(1,109		)	(2,223		)
Total cash flow hedges	(127		)	453			(462		)	1,164
Total net (losses) gains on hedges	$	(145	)	$	397		$	(521	)	$	1,074

Credit Risk

Derivative instruments are inherently subject to credit risk, which represents the Company's risk of loss when the counterparty to a derivative contract fails to perform according to the terms of the agreement. Credit risk is managed by limiting and collateralizing the aggregate amount of net unrealized losses by transaction, monitoring the size and the maturity structure of the derivatives, and applying uniform credit standards. Company policy establishes limits on credit exposure to any single counterparty. In addition, the Company established bilateral collateral agreements with derivative counterparties that provide for exchanges of marketable securities or cash to collateralize either party's net losses above a stated minimum threshold. As of June 30, 2018 and December 31, 2017, these collateral agreements covered 100% of the fair value of the Company's outstanding fair value hedges. Derivative assets and liabilities are presented gross, rather than net, of pledged collateral amounts.

Certain derivative instruments are subject to master netting agreements with counterparties. The Company records these transactions at their gross fair values and does not offset derivative assets and liabilities in the Consolidated Statements of Financial Condition. The following table presents the fair value of the Company's derivatives and offsetting positions as of June 30, 2018 and December 31, 2017.

Fair Value of Offsetting Derivatives

(Dollar amounts in thousands)

	As of June 30, 2018						As of December 31, 2017
	Assets			Liabilities			Assets			Liabilities
Gross amounts recognized	$	35,080		$	48,040		$	21,068		$	25,250
Less: amounts offset in the Consolidated Statements of   Financial Condition	—			—			—			—
Net amount presented in the Consolidated Statements of   Financial Condition(1)	35,080			48,040			21,068			25,250
Gross amounts not offset in the Consolidated Statements of   Financial Condition:
Offsetting derivative positions	(14,704		)	(14,704		)	(16,880		)	(16,880		)
Cash collateral pledged	(17,360		)	(4,480		)	—			(8,370		)
Net credit exposure	$	3,016		$	28,856		$	4,188		$	—

⁽¹⁾  Included in other assets or other liabilities in the Consolidated Statements of Financial Condition.

As of June 30, 2018 and December 31, 2017, the Company's derivative instruments generally contained provisions that require the Company's debt to remain above a certain credit rating by each of the major credit rating agencies or that the Company maintain certain capital levels. If the Company's debt were to fall below that credit rating or the Company's capital were to fall below the required levels, it would be in violation of those provisions, and the counterparties to the derivative instruments could terminate the swap transaction and demand cash settlement of the derivative instrument in an amount equal to the derivative liability fair value. As of June 30, 2018 and December 31, 2017 the Company was in compliance with these provisions.

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Commitments, Guarantees, and Contingent Liabilities

6 Months Ended

Jun. 30, 2018

Commitments and Contingencies Disclosure [Abstract]

Commitments, Guarantees, and Contingent Liabilities

COMMITMENTS, GUARANTEES, AND CONTINGENT LIABILITIES

Credit Commitments and Guarantees

In the normal course of business, the Company enters into a variety of financial instruments with off-balance sheet risk to meet the financing needs of its customers and to conduct lending activities, including commitments to extend credit and standby and commercial letters of credit. These instruments involve elements of credit and interest rate risk in excess of the amount recognized in the Consolidated Statements of Financial Condition.

Contractual or Notional Amounts of Financial Instruments

(Dollar amounts in thousands)

	As of
	June 30, 2018		December 31, 2017
Commitments to extend credit:
Commercial, industrial, and agricultural	$	1,656,372	$	1,729,426
Commercial real estate	349,861		377,551
Home equity	546,600		514,973
Other commitments(1)	244,752		244,222
Total commitments to extend credit	$	2,797,585	$	2,866,172
Letters of credit	$	119,941	$	128,801

⁽¹⁾  Other commitments includes installment and overdraft protection program commitments.

Commitments to extend credit are agreements to lend funds to a customer, subject to contractual terms and covenants. Commitments generally have fixed expiration dates or other termination clauses, variable interest rates, and fee requirements, when applicable. Since many of the commitments are expected to expire without being drawn, the total commitment amounts do not necessarily represent future cash flow requirements.

In the event of a customer's non-performance, the Company's credit loss exposure is equal to the contractual amount of the commitments. The credit risk is essentially the same as extending loans to customers for the full contractual amount. The Company uses the same credit policies for credit commitments as its loans and minimizes exposure to credit loss through various collateral requirements.

Letters of credit are conditional commitments issued by the Company to guarantee the performance of a customer to a third-party. Letters of credit generally are contingent on the failure of the customer to perform according to the terms of the contract with the third-party and are often issued in favor of a municipality where construction is taking place to ensure the borrower adequately completes the construction. Commercial letters of credit are issued to facilitate transactions between a customer and a third-party based on agreed upon terms.

The maximum potential future payments guaranteed by the Company under letters of credit arrangements are equal to the contractual amount of the commitment. If a commitment is funded, the Company may seek recourse through the liquidation of the underlying collateral, including real estate, production plants and property, marketable securities, or receipt of cash.

As a result of the sale of certain 1-4 family mortgage loans, the Company is contractually obligated to repurchase early payment default loans or loans that do not meet underwriting requirements at recorded value. In accordance with the sales agreements, there is no limitation to the maximum potential future payments or expiration of the Company's recourse obligation. There were no material loan repurchases during the quarters and six months ended June 30, 2018 and 2017.

Legal Proceedings

In the ordinary course of business, there were certain legal proceedings pending against the Company and its subsidiaries at June 30, 2018. While the outcome of any legal proceeding is inherently uncertain, based on information currently available, the Company's management does not expect that any liabilities arising from pending legal matters will have a material adverse effect on the Company's business, financial position, results of operations, or cash flows.

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Fair Value

6 Months Ended

Jun. 30, 2018

Fair Value Disclosures [Abstract]

Fair Value

FAIR VALUE

Fair value represents the amount expected to be received to sell an asset or paid to transfer a liability in its principal or most advantageous market in an orderly transaction between market participants at the measurement date. In accordance with fair value accounting guidance, the Company measures, records, and reports various types of assets and liabilities at fair value on either a recurring or non-recurring basis in the Consolidated Statements of Financial Condition. Those assets and liabilities are presented below in the sections titled "Assets and Liabilities Required to be Measured at Fair Value on a Recurring Basis" and "Assets and Liabilities Required to be Measured at Fair Value on a Non-Recurring Basis."

Other assets and liabilities are not required to be measured at fair value in the Consolidated Statements of Financial Condition, but must be disclosed at fair value. See the "Fair Value Measurements of Other Financial Instruments" section of this note. Any aggregation of the estimated fair values presented in this note does not represent the value of the Company.

Depending on the nature of the asset or liability, the Company uses various valuation methodologies and assumptions to estimate fair value. GAAP provides a three-tiered fair value hierarchy based on the inputs used to measure fair value. The hierarchy is defined as follows:

• Level 1 – Quoted prices in active markets for identical assets or liabilities.

• Level 2 – Observable inputs other than level 1 prices, such as quoted prices for similar instruments, quoted prices in markets that are not active, or other inputs that are observable or can be corroborated by observable market data.

• Level 3 – Unobservable inputs that are supported by little or no market activity and that are significant to the fair value of the assets or liabilities. These inputs require significant management judgment or estimation, some of which use model-based techniques and may be internally developed.

Assets and liabilities are assigned to a level within the fair value hierarchy based on the lowest level of significant input used to measure fair value. Assets and liabilities may change levels within the fair value hierarchy due to market conditions or other circumstances. Those transfers are recognized on the date of the event that prompted the transfer. There were no transfers of assets or liabilities required to be measured at fair value on a recurring basis between levels of the fair value hierarchy during the periods presented.

Assets and Liabilities Required to be Measured at Fair Value on a Recurring Basis

The following table provides the fair value for assets and liabilities required to be measured at fair value on a recurring basis in the Consolidated Statements of Financial Condition by level in the fair value hierarchy.

Recurring Fair Value Measurements

(Dollar amounts in thousands)

	As of June 30, 2018						As of December 31, 2017
	Level 1		Level 2		Level 3		Level 1		Level 2		Level 3
Assets
Trading securities:
Money market funds	$	—	$	—	$	—	$	1,685	$	—	$	—
Mutual funds	—		—		—		18,762		—		—
Total trading securities(1)	—		—		—		20,447		—		—
Equity securities(1)	21,333		7,108		—		—		—		—
Securities available-for-sale(1)
U.S. treasury securities	49,158		—		—		46,345		—		—
U.S. agency securities	—		148,284		—		—		156,847		—
CMOs	—		1,232,430		—		—		1,095,186		—
MBSs	—		437,636		—		—		369,543		—
Municipal securities	—		218,345		—		—		208,991		—
Corporate debt securities	—		57,012		—		—		—		—
Equity securities	—		—		—		—		7,297		—
Total securities available-for-sale	49,158		2,093,707		—		46,345		1,837,864		—
Mortgage servicing rights ("MSRs")(2)	—		—		6,671		—		—		5,894
Derivative assets(2)	—		35,080		—		—		21,068		—
Liabilities
Derivative liabilities(3)	$	—	$	48,040	$	—	$	—	$	25,250	$	—

⁽¹⁾  As a result of recently adopted accounting guidance, equity securities are no longer presented within trading securities or securities available-for-sale for the prior period and are now presented within equity securities for the current period. For further discussion of this guidance, see Note 2 of "Notes to the Condensed Consolidated Financial Statements" in Item 1 of this Form 10-Q.

⁽²⁾  Included in other assets in the Consolidated Statements of Financial Condition.

⁽³⁾  Included in other liabilities in the Consolidated Statements of Financial Condition.

The following sections describe the specific valuation techniques and inputs used to measure financial assets and liabilities at fair value.

Equity Securities

The Company's equity securities consist primarily of community development investments and certain diversified investment securities held in a grantor trust for participants in the Company's nonqualified deferred compensation plan that are invested in money market and mutual funds. The fair value of community development investments is based on quoted prices in active markets or market prices for similar securities obtained from external pricing services or dealer market participants and is classified in level 2 of the fair value hierarchy. The fair value of the money market and mutual funds is based on quoted market prices in active exchange markets and is classified in level 1 of the fair value hierarchy.

Securities Available-for-Sale

The Company's securities available-for-sale are primarily fixed income instruments that are not quoted on an exchange, but may be traded in active markets. The fair values for these securities are based on quoted prices in active markets or market prices for similar securities obtained from external pricing services or dealer market participants and are classified in level 2 of the fair value hierarchy. The fair value of U.S. treasury securities is based on quoted market prices in active exchange markets and is classified in level 1 of the fair value hierarchy. Quarterly, the Company evaluates the methodologies used by its external pricing services to estimate the fair value of these securities to determine whether the valuations represent an exit price in the Company's principal markets.

MSRs

The Company services loans for others totaling $617.5 million and $607.0 million as of June 30, 2018 and December 31, 2017, respectively. These loans are owned by third-parties and are not included in the Consolidated Statements of Financial Condition. The Company determines the fair value of MSRs by estimating the present value of expected future cash flows associated with the mortgage loans being serviced and classifies them in level 3 of the fair value hierarchy. The following table presents the ranges of significant, unobservable inputs used by the Company to determine the fair value of MSRs as of June 30, 2018 and December 31, 2017.

Significant Unobservable Inputs Used in the Valuation of MSRs

	As of
	June 30, 2018				December 31, 2017
Prepayment speed	6.7	%	-	13.5%	4.2	%	-	13.1%
Maturity (months)	4		-	106	6		-	92
Discount rate	9.5	%	-	12.0%	9.5	%	-	12.0%

The impact of changes in these key inputs could result in a significantly higher or lower fair value measurement for MSRs. Significant increases in expected prepayment speeds and discount rates have negative impacts on the valuation. Higher maturity assumptions have a favorable effect on the estimated fair value.

A rollforward of the carrying value of MSRs for the quarters and six months ended June 30, 2018 and 2017 is presented in the following table.

Carrying Value of MSRs

(Dollar amounts in thousands)

	Quarters Ended   June 30,						Six Months Ended   June 30,
	2018			2017			2018			2017
Beginning balance	$	6,468		$	6,245		$	5,894		$	6,120
New MSRs	393			205			569			361
Total gains (losses) included in earnings(1):
Changes in valuation inputs and assumptions	2			(260		)	562			(88		)
Other changes in fair value(2)	(192		)	(265		)	(354		)	(468		)
Ending balance	$	6,671		$	5,925		$	6,671		$	5,925
Contractual servicing fees earned(1)	$	369		$	384		$	747		$	779

⁽¹⁾  Included in mortgage banking income in the Condensed Consolidated Statements of Income and related to assets held as of June 30, 2018 and 2017.

⁽²⁾  Primarily represents changes in expected future cash flows due to payoffs and paydowns.

Derivative Assets and Derivative Liabilities

The Company enters into interest rate swaps and derivative transactions with commercial customers. These derivative transactions are executed in the dealer market, and pricing is based on market quotes obtained from the counterparties. The market quotes were developed using market observable inputs, which primarily include LIBOR. Therefore, derivatives are classified in level 2 of the fair value hierarchy. For its derivative assets and liabilities, the Company also considers non-performance risk, including the likelihood of default by itself and its counterparties, when evaluating whether the market quotes from the counterparty are representative of an exit price.

Assets and Liabilities Required to be Measured at Fair Value on a Non-Recurring Basis

The following table provides the fair value for each class of assets and liabilities required to be measured at fair value on a non-recurring basis in the Consolidated Statements of Financial Condition by level in the fair value hierarchy.

Non-Recurring Fair Value Measurements

(Dollar amounts in thousands)

	As of June 30, 2018						As of December 31, 2017
	Level 1		Level 2		Level 3		Level 1		Level 2		Level 3
Collateral-dependent impaired loans(1)	$	—	$	—	$	19,810	$	—	$	—	$	33,240
OREO(2)	—		—		5,177		—		—		12,340
Loans held-for-sale(3)	—		—		6,030		—		—		21,098
Assets held-for-sale(4)	—		—		3,899		—		—		2,208

⁽¹⁾  Includes impaired loans with charge-offs and impaired loans with a specific reserve during the periods presented.

⁽²⁾  Includes OREO with fair value adjustments subsequent to initial transfer that occurred during the periods presented.

⁽³⁾  Included in other assets in the Consolidated Statements of Financial Condition.

⁽⁴⁾  Included in premises, furniture, and equipment in the Consolidated Statements of Financial Condition.

Collateral-Dependent Impaired Loans

Certain collateral-dependent impaired loans are subject to fair value adjustments to reflect the difference between the carrying value of the loan and the value of the underlying collateral. The fair values of collateral-dependent impaired loans are primarily determined by current appraised values of the underlying collateral. Based on the age and/or type, appraisals may be adjusted in the range of 0% to 15%. In certain cases, an internal valuation may be used when the underlying collateral is located in areas where comparable sales data is limited or unavailable. Accordingly, collateral-dependent impaired loans are classified in level 3 of the fair value hierarchy.

Collateral-dependent impaired loans for which the fair value is greater than the recorded investment are not measured at fair value in the Consolidated Statements of Financial Condition and are not included in this disclosure.

OREO

The fair value of OREO is measured using the current appraised value of the properties. In certain circumstances, a current appraisal may not be available or may not represent an accurate measurement of the property's fair value due to outdated market information or other factors. In these cases, the fair value is determined based on the lower of the (i) most recent appraised value, (ii) broker price opinion, (iii) current listing price, or (iv) signed sales contract. Given these valuation methods, OREO is classified in level 3 of the fair value hierarchy.

Loans Held-for-Sale

As of June 30, 2018 and December 31, 2017, loans held-for-sale consists of 1-4 family mortgage loans, which were originated with the intent to sell. These loans were recorded in the held-for-sale category at the contract price and, accordingly, are classified in level 3 of the fair value hierarchy.

Assets Held-for-Sale

Assets held-for-sale as of June 30, 2018 and December 31, 2017 consists of former branches that are no longer in operation and parcels of land previously purchased for expansion. These properties are being actively marketed and were transferred into the held-for-sale category at their fair value as determined by current appraisals. Based on these valuation methods, they are classified in level 3 of the fair value hierarchy.

Financial Instruments Not Required to be Measured at Fair Value

For certain financial instruments that are not required to be measured at fair value in the Consolidated Statements of Financial Condition, the Company must disclose the estimated fair values and the level within the fair value hierarchy as shown in the following table.

Fair Value Measurements of Other Financial Instruments

(Dollar amounts in thousands)

		As of
		June 30, 2018				December 31, 2017
	Fair Value Hierarchy Level	Carrying Amount		Fair Value		Carrying Amount		Fair Value
Assets
Cash and due from banks	1	$	181,482	$	181,482	$	192,800	$	192,800
Interest-bearing deposits in other banks	2	192,785		192,785		153,770		153,770
Securities held-to-maturity	2	13,042		10,918		13,760		12,013
FHLB and FRB stock	2	82,778		82,778		69,708		69,708
Loans	3	10,797,584		10,451,952		10,345,397		10,059,992
Investment in BOLI	3	282,664		282,664		279,900		279,900
Accrued interest receivable	3	48,542		48,542		45,261		45,261
Other interest-earning assets	3	78		78		228		228
Liabilities
Deposits	2	$	11,492,263	$	11,470,263	$	11,053,325	$	11,038,819
Borrowed funds	2	981,044		981,044		714,884		714,884
Senior and subordinated debt	2	195,453		208,425		195,170		208,666
Accrued interest payable	2	7,115		7,115		4,704		4,704

Management uses various methodologies and assumptions to determine the estimated fair values of the financial instruments in the table above. The fair value estimates are made at a discrete point in time based on relevant market information and consider management's judgments regarding future expected economic conditions, loss experience, and specific risk characteristics of the financial instruments. Loans include the FDIC indemnification asset and net loans, which consists of loans held-for-investment, acquired loans, and the allowance for loan losses. As of both June 30, 2018 and December 31, 2017, the Company estimated the fair value of lending commitments outstanding to be immaterial.

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Summary of Significant Accounting Policies (Policies)

6 Months Ended

Jun. 30, 2018

Accounting Policies [Abstract]

Basis of Presentation

Basis of Presentation – The accompanying unaudited condensed consolidated interim financial statements ("consolidated financial statements") of First Midwest Bancorp, Inc. (the "Company"), a Delaware corporation, were prepared in accordance with the rules and regulations of the Securities and Exchange Commission ("SEC") for quarterly reports on Form 10-Q and reflect all adjustments that management deems necessary for the fair presentation of the financial position and results of operations for the periods presented. The results of operations for the quarter and six months ended June 30, 2018 are not necessarily indicative of the results that may be expected for the year ending December 31, 2018.

The accounting and reporting policies of the Company and its subsidiaries conform to U.S. generally accepted accounting principles ("GAAP") and general practices within the banking industry. The accompanying consolidated financial statements do not include certain information and note disclosures required by GAAP for complete annual financial statements. Therefore, these financial statements should be read in conjunction with the Company's 2017 Annual Report on Form 10-K ("2017 10-K"). The Company uses the accrual basis of accounting for financial reporting purposes.

Reclassification

Certain reclassifications were made to prior year amounts to conform to the current year presentation.

Use of Estimates

Use of Estimates – The preparation of the consolidated financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the amounts reported in the consolidated financial statements and accompanying notes. Although these estimates and assumptions are based on the best available information, actual results could differ from those estimates.

Principles of Consolidation

Principles of Consolidation – The accompanying consolidated financial statements include the financial position and results of operations of the Company and its subsidiaries after elimination of all significant intercompany accounts and transactions. Assets held in a fiduciary or agency capacity are not assets of the Company or its subsidiaries and are not included in the consolidated financial statements.

Business Combinations

Business Combinations – Business combinations are accounted for under the acquisition method of accounting. Assets acquired and liabilities assumed are recorded at their estimated fair values as of the date of acquisition, with any excess of the purchase price of the acquisition over the fair value of the identifiable net tangible and intangible assets acquired recorded as goodwill. Alternatively, a gain is recorded if the fair value of assets purchased exceeds the fair value of liabilities assumed and consideration paid. The results of operations of the acquired business are included in the Condensed Consolidated Statements of Income from the effective date of the acquisition.

Loans

Loans – Loans held-for-investment are loans that the Company intends to hold until they are paid in full and are carried at the principal amount outstanding, including certain net deferred loan origination fees. Loan origination fees, commitment fees, and certain direct loan origination costs are deferred, and the net amount is amortized as a yield adjustment over the contractual life of the related loans or commitments and included in interest income. Fees related to letters of credit are amortized into fee income over the contractual life of the commitment. Other credit-related fees are recognized as fee income when earned. The Company's net investment in direct financing leases is included in loans and consists of future minimum lease payments and estimated residual values, net of unearned income. Interest income on loans is accrued based on principal amounts outstanding. Loans held-for-sale are carried at the lower of aggregate cost or fair value and included in other assets in the Consolidated Statements of Financial Condition.

Acquired and Covered Loans

Acquired and Covered Loans – Covered loans consists of loans acquired by the Company in Federal Deposit Insurance Corporation ("FDIC")-assisted transactions, which are covered by loss share agreements with the FDIC (the "FDIC Agreements"), under which the FDIC reimburses the Company for the majority of the losses and eligible expenses related to these assets during the coverage period. Acquired loans consist of all other loans that were acquired in business combinations that are not covered by the FDIC Agreements. Certain loans that were previously classified as covered loans are no longer covered under the FDIC Agreements, and are included in acquired loans. Covered loans and acquired loans are included within loans held-for-investment.

Acquired and covered loans are separated into (i) non-purchased credit impaired ("non-PCI") and (ii) purchased credit impaired ("PCI") loans. Non-PCI loans include loans that did not have evidence of credit deterioration since origination at the acquisition date. PCI loans include loans that had evidence of credit deterioration since origination and for which it was probable at acquisition that the Company would not collect all contractually required principal and interest payments. Evidence of credit deterioration was evaluated using various indicators, such as past due and non-accrual status. Leases and revolving loans do not qualify to be accounted for as PCI loans and are accounted for as non-PCI loans.

The acquisition adjustment related to non-PCI loans is amortized into interest income over the contractual life of the related loans. If an acquired non-PCI loan is renewed subsequent to the acquisition date, any remaining acquisition adjustment is accreted into interest income and the loan is considered a new loan that is no longer classified as an acquired loan.

PCI loans are accounted for based on estimates of expected future cash flows. To estimate the fair value, the Company generally aggregates purchased consumer loans and commercial loans into pools of loans with common risk characteristics, such as delinquency status, credit score, and internal risk ratings. The fair values of larger balance commercial loans are estimated on an individual basis. Expected future cash flows in excess of the fair value of loans at the purchase date ("accretable yield") are recorded as interest income over the life of the loans if the timing and amount of the expected future cash flows can be reasonably estimated. The non-accretable yield represents the difference between contractually required payments and the expected future cash flows determined at acquisition. Subsequent increases in expected future cash flows are offset against the allowance for credit losses to the extent an allowance has been established or otherwise recognized as interest income prospectively. The present value of any decreases in expected future cash flows is recognized by recording a charge-off through the allowance for loan losses or providing an allowance for loan losses.

90-Days Past Due Loans

90-Days Past Due Loans – The Company's accrual of interest on loans is generally discontinued at the time the loan is 90 days past due unless the credit is sufficiently collateralized and in the process of renewal or collection.

Non-accrual Loans

Non-accrual Loans– Generally, corporate loans are placed on non-accrual status (i) when either principal or interest payments become 90 days or more past due unless the credit is sufficiently collateralized and in the process of renewal or collection, or (ii) when an individual analysis of a borrower's creditworthiness warrants a downgrade to non-accrual regardless of past due status. When a loan is placed on non-accrual status, unpaid interest credited to income in the current year is reversed, and unpaid interest accrued in prior years is charged against the allowance for loan losses. After the loan is placed on non-accrual status, all debt service payments are applied to the principal on the loan. Future interest income may only be recorded on a cash basis after recovery of principal is reasonably assured. Non-accrual loans are returned to accrual status when the financial position of the borrower and other relevant factors indicate that the Company will collect all principal and interest.

Commercial loans and loans secured by real estate are charged-off when deemed uncollectible. A loss is recorded if the net realizable value of the underlying collateral is less than the outstanding principal and interest. Consumer loans that are not secured by real estate are subject to mandatory charge-off at a specified delinquency date and are usually not classified as non-accrual prior to being charged-off. Closed-end consumer loans, which include installment, automobile, and single payment loans, are usually charged-off no later than the end of the month in which the loan becomes 120 days past due.

PCI loans are generally considered accruing loans unless reasonable estimates of the timing and amount of expected future cash flows cannot be determined. Loans without reasonable future cash flow estimates are classified as non-accrual loans, and interest income is not recognized on those loans until the timing and amount of the expected future cash flows can be reasonably determined.

Troubled Debt Restructurings (“TDRs”)

Troubled Debt Restructurings ("TDRs") – A restructuring is considered a TDR when (i) the borrower is experiencing financial difficulties, and (ii) the creditor grants a concession, such as forgiveness of principal, reduction of the interest rate, changes in payments, or extension of the maturity date. Loans are not classified as TDRs when the modification is short-term or results in an insignificant delay in payments. The Company's TDRs are determined on a case-by-case basis.

The Company does not accrue interest on a TDR unless it believes collection of all principal and interest under the modified terms is reasonably assured. For a TDR to begin accruing interest, the borrower must demonstrate some level of past performance and the future capacity to perform under the modified terms. Generally, six months of consecutive payment performance under the restructured terms is required before a TDR is returned to accrual status. However, the period could vary depending on the individual facts and circumstances of the loan. An evaluation of the borrower's current creditworthiness is used to assess the borrower's capacity to repay the loan under the modified terms. This evaluation includes an estimate of expected future cash flows, evidence of strong financial position, and estimates of the value of collateral, if applicable. For TDRs to be removed from TDR status in the calendar year after the restructuring, the loans must (i) have an interest rate and terms that reflect market conditions at the time of restructuring, and (ii) be in compliance with the modified terms. If the loan was restructured at below market rates and terms, it continues to be separately reported as restructured until it is paid in full or charged-off.

Impaired Loans

Impaired Loans – Impaired loans consist of corporate non-accrual loans and TDRs. A loan is considered impaired when it is probable that the Company will not collect all contractual principal and interest. With the exception of accruing TDRs, impaired loans are classified as non-accrual and are exclusive of smaller homogeneous loans, such as home equity, 1-4 family mortgages, and installment loans. Impaired loans with balances under a specified threshold are not individually evaluated for impairment. For all other impaired loans, impairment is measured by comparing the estimated value of the loan to the recorded book value. The value of collateral-dependent loans is based on the fair value of the underlying collateral, less costs to sell. The value of other loans is measured using the present value of expected future cash flows discounted at the loan's initial effective interest rate.

Allowance for Credit/Loan Losses and Reserve for Unfunded Commitments

Allowance for Credit Losses – The allowance for credit losses is comprised of the allowance for loan losses and the reserve for unfunded commitments, and is maintained by management at a level believed adequate to absorb estimated losses inherent in the existing loan portfolio. Determination of the allowance for credit losses is subjective since it requires significant estimates and management judgment, including the amounts and timing of expected future cash flows on impaired loans, estimated losses on pools of homogeneous loans, consideration of current economic trends, and other factors.

Loans deemed to be uncollectible are charged-off against the allowance for loan losses, while recoveries of amounts previously charged-off are credited to the allowance for loan losses. Additions to the allowance for loan losses are charged to expense through the provision for loan losses. The amount of provision depends on a number of factors, including net charge-off levels, loan growth, changes in the composition of the loan portfolio, and the Company's assessment of the allowance for loan losses based on the methodology discussed below.

Allowance for Loan Losses– The allowance for loan losses consists of (i) specific reserves for individual loans where the recorded investment exceeds the value, (ii) an allowance based on a loss migration analysis that uses historical credit loss experience for each loan category, and (iii) an allowance based on other internal and external qualitative factors.

The specific reserves component of the allowance for loan losses is based on a periodic analysis of impaired loans exceeding a fixed dollar amount. If the value of an impaired loan is less than the recorded book value, the Company either establishes a valuation allowance (i.e., a specific reserve) equal to the excess of the book value over the collateral value of the loan as a component of the allowance for loan losses or charges off the amount if it is a confirmed loss.

The general reserve component is based on a loss migration analysis, which examines actual loss experience by loan category for a rolling 8-quarter period and the related internal risk rating for corporate loans. The loss migration analysis is updated quarterly, primarily using actual loss experience. This component is then adjusted based on management's consideration of many internal and external qualitative factors, including:

• Changes in the composition of the loan portfolio, trends in the volume of loans, and trends in delinquent and non-accrual loans that could indicate that historical trends do not reflect current conditions.

• Changes in credit policies and procedures, such as underwriting standards and collection, charge-off, and recovery practices.

• Changes in the experience, ability, and depth of credit management and other relevant staff.

• Changes in the quality of the Company's loan review system and Board of Directors oversight.

• The effect of any concentration of credit and changes in the level of concentrations, such as loan type or risk rating.

• Changes in the value of the underlying collateral for collateral-dependent loans.

• Changes in the national and local economy that affect the collectability of various segments of the portfolio.

• The effect of other external factors, such as competition and legal and regulatory requirements, on the Company's loan portfolio.

The allowance for loan losses also consists of an allowance on acquired and covered non-PCI and PCI loans. No allowance for loan losses is recorded on acquired loans at the acquisition date. Subsequent to the acquisition date, an allowance for credit losses is established as necessary to reflect credit deterioration. The acquired non-PCI allowance is based on management's evaluation of the acquired non-PCI loan portfolio giving consideration to the current portfolio balance, including the remaining acquisition adjustments, maturity dates, and overall credit quality. The allowance for covered non-PCI loans is calculated in the same manner as the general reserve component based on a loss migration analysis as discussed above. The acquired and covered PCI allowance reflects the difference between the carrying value and the discounted expected future cash flows of the acquired and covered PCI loans. On a periodic basis, the adequacy of this allowance is determined through a re-estimation of expected future cash flows on all of the outstanding acquired and covered PCI loans using either a probability of default/loss given default ("PD/LGD") methodology or a specific review methodology. The PD/LGD model is a loss model that estimates expected future cash flows using a probability of default curve and loss given default estimates. Acquired non-PCI loans that have renewed subsequent to the respective acquisition dates are no longer classified as acquired loans. Instead, they are included in the general loan population and allocated an allowance based on a loss migration analysis.

Reserve for Unfunded Commitments– The Company also maintains a reserve for unfunded commitments, including letters of credit, for the risk of loss inherent in these arrangements. The reserve for unfunded commitments is estimated using the loss migration analysis from the allowance for loan losses, adjusted for probabilities of future funding requirements. The reserve for unfunded commitments is included in other liabilities in the Consolidated Statements of Financial Condition.

The establishment of the allowance for credit losses involves a high degree of judgment given the difficulty of assessing the factors impacting loan repayment and estimating the timing and amount of losses. While management utilizes its best judgment and information available, the adequacy of the allowance for credit losses depends on a variety of factors beyond the Company's control, including the performance of its loan portfolio, the economy, changes in interest rates and property values, and the interpretation of loan risk classifications by regulatory authorities.

Derivative Financial Instruments

Derivative Financial Instruments – To provide derivative products to customers and in the ordinary course of business, the Company enters into derivative transactions as part of its overall interest rate risk management strategy to minimize significant unplanned fluctuations in earnings and expected future cash flows caused by interest rate volatility. All derivative instruments are recorded at fair value as either other assets or other liabilities in the Consolidated Statements of Financial Condition. Subsequent changes in a derivative's fair value are recognized in earnings unless specific hedge accounting criteria are met.

On the date the Company enters into a derivative contract, the derivative is designated as a fair value hedge, a cash flow hedge, or a non-hedge derivative instrument. Fair value hedges are designed to mitigate exposure to changes in the fair value of an asset or liability attributable to a particular risk, such as interest rate risk. Cash flow hedges are designed to mitigate exposure to variability in expected future cash flows to be received or paid related to an asset, liability, or other type of forecasted transaction. The Company formally documents all relationships between hedging instruments and hedged items, including its risk management objective and strategy at inception.

At the hedge's inception, a formal assessment is performed to determine the effectiveness of the derivative in offsetting changes in the fair values or expected future cash flows of the hedged items in the current period and prospectively. If a derivative instrument designated as a hedge is terminated or ceases to be highly effective, hedge accounting is discontinued prospectively, and the gain or loss is amortized into earnings. For fair value hedges, the gain or loss is amortized over the remaining life of the hedged asset or liability. For cash flow hedges, the gain or loss is amortized over the same period that the forecasted hedged transactions impact earnings. If the hedged item is disposed of, any fair value adjustments are included in the gain or loss from the disposition of the hedged item. If the forecasted transaction is no longer probable, the gain or loss is included in earnings immediately.

For fair value hedges, changes in the fair value of the derivative instruments, as well as changes in the fair value of the hedged item, are recognized in earnings in the same income statement line item as the earnings effect of the hedged item. For cash flow hedges, the effective portion of the change in fair value of the derivative instrument is reported as a component of accumulated other comprehensive loss and is reclassified to earnings when the hedged transaction is reflected in earnings.

Recent Accounting Pronouncements

Adopted Accounting Pronouncements

Revenue from Contracts with Customers: In May of 2014, the Financial Accounting Standards Board ("FASB") issued guidance that requires an entity to recognize revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. In March of 2016, the FASB issued an amendment to this guidance to clarify the implementation of guidance on principal versus agent consideration. Additional amendments to clarify the implementation guidance on the identification of performance obligations and licensing were issued in April of 2016 and narrow-scope improvements and practical expedients were issued in May of 2016. The guidance is effective for annual and interim reporting periods beginning on or after December 15, 2017, and must be applied either retrospectively or using the modified retrospective approach.

The Company's revenue is comprised of net interest income on financial assets and liabilities, which is excluded from the scope of this guidance, and noninterest income. The primary sources of revenue within noninterest income are service charges on deposit accounts, wealth management fees, card-based fees, and merchant servicing fees. The adoption of this guidance on January 1, 2018, using the modified retrospective approach, affected how the Company presents merchant servicing fees, merchant card expenses, card-based fees, and cardholder expenses, which are presented on a gross basis within noninterest income and noninterest expense for the prior period and are presented on a net basis within noninterest income for the current period. Total expenses of $4.0 million and $7.7 million for the quarter and six months ended June 30, 2018 were netted in noninterest income. The adoption of this guidance did not impact net income; therefore, a cumulative effect adjustment to opening retained earnings was not deemed necessary. Consistent with the modified retrospective approach, the Company did not adjust prior period amounts for the reclassification of merchant card expenses and cardholder expenses.

A description of the Company's revenue streams accounted for under the scope of this guidance follows:

Service charges on deposit accounts – Service charges on deposit accounts consist of account analysis fees (net fees earned on analyzed business and public checking accounts), monthly service fees, and other deposit account related fees. The Company's performance obligation for account analysis fees and monthly service fees is generally satisfied, and the related revenue recognized, over the period in which the service is provided. Other deposit account related fees are largely transactional based and, therefore, the Company's performance obligation is satisfied, and related revenue recognized, at a point in time. Payment for service charges on deposit accounts is primarily received as a direct charge to customers' accounts. As a result of the adoption of this guidance, there was no impact to the method of recognizing revenue related to service charges on deposit accounts for the quarter and six months ended June 30, 2018.

Wealth management fees – Wealth management fees represents quarterly fees due from wealth management customers as consideration for managing the customers' assets. Wealth management services include custody of assets, investment management, escrow services, fees for trust services and similar fiduciary activities. Revenue is recognized when our performance obligation is completed each quarter, which is generally the time that payment is received. Also included are fees received from a third-party broker-dealer as part of a revenue-sharing agreement. These fees are paid to us by the third-party on a quarterly basis and recognized ratably throughout the quarter as our performance obligation is satisfied. As a result of the adoption of this guidance, there was no impact to the method of recognizing revenue related to wealth management fees for the quarter and six months ended June 30, 2018.

Card-based fees, net – Card-based fees, net consists of debit and credit card interchange fees for processing transactions, as well as various fees for automated teller machine ("ATM") and point-of-sale transactions processed through the related networks. Interchange, ATM, and point-of-sale fees from cardholder transactions represent a percentage of the underlying transaction value or a flat fee and are recognized daily in connection with the transaction processing services provided to the cardholder. Card-based fees are presented net of certain contract costs associated with the debit, credit and ATM card interchange networks. As a result of the adoption of this guidance, $1.9 million and $3.6 million of cardholder expenses are netted against card-based fees for the quarter and six months ended June 30, 2018, respectively.

Merchant servicing fees, net – Merchant servicing fees, net is included in other service charges, commissions, and fees in the Consolidated Statements of Income. The Company acts in an agency capacity with respect to its merchants to process their debit and credit card transactions, deriving revenue from assisting another entity in transactions with the Company's customers. Merchant servicing fees represent a percentage of the underlying net transaction volume or a flat fee and are recognized monthly. Merchant servicing fees are presented net of certain contract costs associated with the third-party merchant processing. As a result of the adoption of this guidance, $2.1 million and $4.1 million of merchant card expenses are netted against merchant servicing fees for the quarter and six months ended June 30, 2018, respectively.

Amendments to Guidance on Classifying and Measuring Financial Instruments: In January of 2016, the FASB issued guidance that will require entities to measure equity investments that do not result in consolidation and are not accounted for under the equity method at fair value. Any subsequent changes in fair value will be recognized in net income unless the investments qualify for a new practicability exception. Equity securities totaling $28.4 million are no longer classified as trading securities or securities available-for-sale. This guidance also requires entities to adjust the fair value disclosures for financial instruments carried at amortized cost from an entry price to an exit price. No changes were made to the guidance for classifying and measuring investments in debt securities and loans. Except as discussed above, the adoption of this guidance on January 1, 2018 did not materially impact the Company's financial condition, results of operations, or liquidity.

Classification of Certain Cash Receipts and Cash Payments: In August of 2016, the FASB issued guidance clarifying certain cash flow presentation and classification issues to reduce diversity in practice. The adoption of this guidance on January 1, 2018 did not materially impact the Company's financial condition, results of operations, or liquidity.

Income Taxes: In October of 2016, the FASB issued guidance that requires an entity to recognize the income tax consequences of an intra-entity transfer of an asset other than inventory when the transfer occurs. The adoption of this guidance on January 1, 2018 did not materially impact the Company's financial condition, results of operations, or liquidity.

Clarifying the Definition of a Business: In January of 2017, the FASB issued guidance that clarifies the definition of a business to assist entities with evaluating whether transactions should be accounted for as acquisitions or disposals of assets or businesses. The adoption of this guidance on January 1, 2018 did not impact the Company's financial condition, results of operations, or liquidity.

Presentation of Defined Benefit Retirement Plan Costs: In March of 2017, the FASB issued guidance that changes how employers that sponsor defined pension and or other postretirement benefit plans present the net periodic benefit cost in the income statement. Employers are required to present the service cost component of the net periodic benefit cost in the same income statement line item as other employee compensation costs arising from services rendered during the period. Other components of net periodic benefit cost are required to be presented separately from the line item(s) that includes the service cost. The adoption of this guidance on January 1, 2018 did not materially impact the Company's financial condition, results of operations, or liquidity.

Share-based Payment Award Modifications: In May of 2017, the FASB issued guidance to reduce diversity in practice by clarifying when changes to the terms or conditions of a share-based payment award must be accounted for as a modification. The adoption of this guidance on January 1, 2018 did not materially impact the Company's financial condition, results of operations, or liquidity.

Derivatives and Hedging: In August of 2017, the FASB issued guidance to better align the financial reporting related to hedging activities with the economic objectives of those activities and to simplify the application of current hedge accounting guidance. Entities are required to apply the guidance using a modified retrospective method as of the period of adoption. This guidance is effective for annual and interim periods beginning after December 31, 2018. Early adoption is permitted, and the Company elected to do so on January 1, 2018, which did not materially impact the Company's financial condition, results of operations, or liquidity.

Reclassification of Certain Tax Effects from Accumulated Other Comprehensive Income: In February of 2018, the FASB issued guidance that requires a reclassification from accumulated other comprehensive income to retained earnings for stranded tax effects resulting from the Tax Cuts and Jobs Act of 2017. Entities electing the reclassification are required to apply the guidance either at the beginning of the period of adoption or retrospectively for all periods impacted. This guidance is effective for annual and interim periods beginning after December 15, 2018. Early adoption is permitted and the Company elected to do so on January 1, 2018, which resulted in the reclassification of $6.8 million of stranded tax effects from accumulated other comprehensive loss to retained earnings as of the beginning of the period of adoption.

Accounting Pronouncements Pending Adoption

Leases: In February of 2016, the FASB issued guidance to increase transparency and comparability across entities for leasing arrangements. This guidance requires lessees to recognize assets and liabilities for most leases. For lessors, this guidance modifies the lease classification criteria and the accounting for sales-type and direct financing leases. In addition, this guidance clarifies criteria for the determination of whether a contract is or contains a lease. This guidance is effective for annual and interim periods beginning after December 15, 2018. Early adoption is permitted.

During 2016, First Midwest Bank (the "Bank") entered into a sale-leaseback transaction that resulted in a deferred gain of $82.5 million, with $71.7 million remaining as of June 30, 2018. Upon adoption of this guidance, the remaining deferred gain will be recognized immediately as a cumulative-effect adjustment to equity. For additional discussion of the sale-leaseback transaction, see Note 8 "Premises, Furniture, and Equipment" to the Consolidated Financial Statements in the Company's 2017 10-K. Management is completing its evaluation of the guidance and does not expect the adoption of the guidance will materially impact the Company's results of operations or liquidity, but anticipates a material increase in assets, liabilities, and equity.

Measurement of Credit Losses on Financial Instruments: In June of 2016, the FASB issued guidance that will require entities to present financial assets measured at amortized cost at the net amount expected to be collected, considering an entity's current estimate of all expected credit losses. In addition, credit losses relating to available-for-sale debt securities will be required to be recorded through an allowance for credit losses, with changes in credit loss estimates recognized through current earnings. This guidance is effective for annual and interim periods beginning after December 15, 2019. Early adoption is permitted, but not for periods beginning before December 15, 2018. Management is evaluating the guidance and the impact to the Company's financial condition, results of operations, or liquidity.

Accounting for Goodwill Impairment: In January of 2017, the FASB issued guidance that simplifies the accounting for goodwill impairment for all entities. The new guidance eliminates the requirement to calculate the implied fair value of goodwill using the second step of the quantitative two-step goodwill impairment model prescribed under current accounting guidance. Under the new guidance, if a reporting unit's carrying amount exceeds its fair value, an entity will record an impairment charge based on that difference. This guidance is effective for annual and interim goodwill impairment testing dates beginning after December 15, 2019. Early adoption is permitted for annual and interim goodwill impairment testing dates after January 1, 2017. Management does not expect the adoption of this guidance will materially impact the Company's financial condition, results of operations, or liquidity.

Premium Amortization on Purchased Callable Debt Securities: In March of 2017, the FASB issued guidance that shortens the amortization period for the premium on certain purchased callable debt securities to the earliest call date. This guidance is effective for annual and interim periods beginning after December 15, 2018. Early adoption is permitted. Management does not expect the adoption of this guidance will materially impact the Company's financial condition, results of operations, or liquidity.

Improvements to Nonemployee Share-based Payment Accounting: In June of 2018, the FASB issued guidance that aligns the measurement and classification guidance for share-based payments to nonemployees with the guidance for share-based payments to employees. This guidance is effective for annual and interim periods beginning after December 15, 2018. Early adoption is permitted. Management does not expect the adoption of this guidance will materially impact the Company's financial condition, results of operations, or liquidity.

XML

Securities (Tables)

6 Months Ended

Jun. 30, 2018

Investments, Debt and Equity Securities [Abstract]

Securities Available-for-Sale

A summary of the Company's securities portfolio by category and maturity is presented in the following tables.

Securities Portfolio

(Dollar amounts in thousands)

	As of June 30, 2018									As of December 31, 2017
	Amortized Cost		Gross Unrealized					Fair  Value		Amortized Cost		Gross Unrealized					Fair  Value
			Gains		Losses							Gains		Losses
Securities Available-for-Sale
U.S. treasury securities	$	49,455	$	2	$	(299	)	$	49,158	$	46,529	$	—	$	(184	)	$	46,345
U.S. agency securities	150,443		7		(2,166		)	148,284		157,636		197		(986		)	156,847
Collateralized mortgage   obligations ("CMOs")	1,270,304		368		(38,242		)	1,232,430		1,113,019		121		(17,954		)	1,095,186
Other mortgage-backed   securities ("MBSs")	450,512		229		(13,105		)	437,636		373,676		201		(4,334		)	369,543
Municipal securities	222,034		152		(3,841		)	218,345		209,558		693		(1,260		)	208,991
Corporate debt securities	57,867		2		(857		)	57,012		—		—		—			—
Equity securities(1)	—		—		—			—		7,408		194		(305		)	7,297
Total securities   available-for-sale	$	2,200,615	$	760	$	(58,510	)	$	2,142,865	$	1,907,826	$	1,406	$	(25,023	)	$	1,884,209
Securities Held-to-Maturity
Municipal securities	$	13,042	$	—	$	(2,124	)	$	10,918	$	13,760	$	—	$	(1,747	)	$	12,013
Equity Securities(1)								$	28,441								$	—
Trading Securities(1)								$	—								$	20,447

⁽¹⁾  As a result of accounting guidance adopted in the first quarter of 2018, equity securities are no longer presented within trading securities or securities available-for-sale and are now presented within equity securities in the Consolidated Statements of Financial Condition for the current period. For further discussion of this guidance, see Note 2, "Recent Accounting Pronouncements."

Securities Held-to-Maturity

A summary of the Company's securities portfolio by category and maturity is presented in the following tables.

Securities Portfolio

(Dollar amounts in thousands)

	As of June 30, 2018									As of December 31, 2017
	Amortized Cost		Gross Unrealized					Fair  Value		Amortized Cost		Gross Unrealized					Fair  Value
			Gains		Losses							Gains		Losses
Securities Available-for-Sale
U.S. treasury securities	$	49,455	$	2	$	(299	)	$	49,158	$	46,529	$	—	$	(184	)	$	46,345
U.S. agency securities	150,443		7		(2,166		)	148,284		157,636		197		(986		)	156,847
Collateralized mortgage   obligations ("CMOs")	1,270,304		368		(38,242		)	1,232,430		1,113,019		121		(17,954		)	1,095,186
Other mortgage-backed   securities ("MBSs")	450,512		229		(13,105		)	437,636		373,676		201		(4,334		)	369,543
Municipal securities	222,034		152		(3,841		)	218,345		209,558		693		(1,260		)	208,991
Corporate debt securities	57,867		2		(857		)	57,012		—		—		—			—
Equity securities(1)	—		—		—			—		7,408		194		(305		)	7,297
Total securities   available-for-sale	$	2,200,615	$	760	$	(58,510	)	$	2,142,865	$	1,907,826	$	1,406	$	(25,023	)	$	1,884,209
Securities Held-to-Maturity
Municipal securities	$	13,042	$	—	$	(2,124	)	$	10,918	$	13,760	$	—	$	(1,747	)	$	12,013
Equity Securities(1)								$	28,441								$	—
Trading Securities(1)								$	—								$	20,447

⁽¹⁾  As a result of accounting guidance adopted in the first quarter of 2018, equity securities are no longer presented within trading securities or securities available-for-sale and are now presented within equity securities in the Consolidated Statements of Financial Condition for the current period. For further discussion of this guidance, see Note 2, "Recent Accounting Pronouncements."

Equity Securities

A summary of the Company's securities portfolio by category and maturity is presented in the following tables.

Securities Portfolio

(Dollar amounts in thousands)

	As of June 30, 2018									As of December 31, 2017
	Amortized Cost		Gross Unrealized					Fair  Value		Amortized Cost		Gross Unrealized					Fair  Value
			Gains		Losses							Gains		Losses
Securities Available-for-Sale
U.S. treasury securities	$	49,455	$	2	$	(299	)	$	49,158	$	46,529	$	—	$	(184	)	$	46,345
U.S. agency securities	150,443		7		(2,166		)	148,284		157,636		197		(986		)	156,847
Collateralized mortgage   obligations ("CMOs")	1,270,304		368		(38,242		)	1,232,430		1,113,019		121		(17,954		)	1,095,186
Other mortgage-backed   securities ("MBSs")	450,512		229		(13,105		)	437,636		373,676		201		(4,334		)	369,543
Municipal securities	222,034		152		(3,841		)	218,345		209,558		693		(1,260		)	208,991
Corporate debt securities	57,867		2		(857		)	57,012		—		—		—			—
Equity securities(1)	—		—		—			—		7,408		194		(305		)	7,297
Total securities   available-for-sale	$	2,200,615	$	760	$	(58,510	)	$	2,142,865	$	1,907,826	$	1,406	$	(25,023	)	$	1,884,209
Securities Held-to-Maturity
Municipal securities	$	13,042	$	—	$	(2,124	)	$	10,918	$	13,760	$	—	$	(1,747	)	$	12,013
Equity Securities(1)								$	28,441								$	—
Trading Securities(1)								$	—								$	20,447

⁽¹⁾  As a result of accounting guidance adopted in the first quarter of 2018, equity securities are no longer presented within trading securities or securities available-for-sale and are now presented within equity securities in the Consolidated Statements of Financial Condition for the current period. For further discussion of this guidance, see Note 2, "Recent Accounting Pronouncements."

Trading Securities

A summary of the Company's securities portfolio by category and maturity is presented in the following tables.

Securities Portfolio

(Dollar amounts in thousands)

	As of June 30, 2018									As of December 31, 2017
	Amortized Cost		Gross Unrealized					Fair  Value		Amortized Cost		Gross Unrealized					Fair  Value
			Gains		Losses							Gains		Losses
Securities Available-for-Sale
U.S. treasury securities	$	49,455	$	2	$	(299	)	$	49,158	$	46,529	$	—	$	(184	)	$	46,345
U.S. agency securities	150,443		7		(2,166		)	148,284		157,636		197		(986		)	156,847
Collateralized mortgage   obligations ("CMOs")	1,270,304		368		(38,242		)	1,232,430		1,113,019		121		(17,954		)	1,095,186
Other mortgage-backed   securities ("MBSs")	450,512		229		(13,105		)	437,636		373,676		201		(4,334		)	369,543
Municipal securities	222,034		152		(3,841		)	218,345		209,558		693		(1,260		)	208,991
Corporate debt securities	57,867		2		(857		)	57,012		—		—		—			—
Equity securities(1)	—		—		—			—		7,408		194		(305		)	7,297
Total securities   available-for-sale	$	2,200,615	$	760	$	(58,510	)	$	2,142,865	$	1,907,826	$	1,406	$	(25,023	)	$	1,884,209
Securities Held-to-Maturity
Municipal securities	$	13,042	$	—	$	(2,124	)	$	10,918	$	13,760	$	—	$	(1,747	)	$	12,013
Equity Securities(1)								$	28,441								$	—
Trading Securities(1)								$	—								$	20,447

⁽¹⁾  As a result of accounting guidance adopted in the first quarter of 2018, equity securities are no longer presented within trading securities or securities available-for-sale and are now presented within equity securities in the Consolidated Statements of Financial Condition for the current period. For further discussion of this guidance, see Note 2, "Recent Accounting Pronouncements."

Remaining Contractual Maturity of Securities

Remaining Contractual Maturity of Securities

(Dollar amounts in thousands)

	As of June 30, 2018
	Available-for-Sale				Held-to-Maturity
	Amortized Cost		Fair Value		Amortized Cost		Fair Value
One year or less	$	120,038	$	118,287	$	1,626	$	1,361
After one year to five years	165,112		162,703		5,197		4,350
After five years to ten years	194,649		191,809		2,177		1,823
After ten years	—		—		4,042		3,384
Securities that do not have a single contractual maturity date	1,720,816		1,670,066		—		—
Total	$	2,200,615	$	2,142,865	$	13,042	$	10,918

Securities Available-for-Sale Gains

Securities Available-for-Sale Gains

(Dollar amounts in thousands)

	Quarters Ended   June 30,				Six Months Ended   June 30,
	2018		2017		2018		2017
Gains on sales of securities:
Gross realized gains	$	—	$	284	$	—	$	284
Gross realized losses	—		—		—		—
Net realized gains on sales of securities	—		284		—		284
Non-cash impairment charges:
Other-than-temporary securities impairment ("OTTI")	—		—		—		—
Net realized gains	$	—	$	284	$	—	$	284

Securities in an Unrealized Loss Position

The following table presents the aggregate amount of unrealized losses and the aggregate related fair values of securities with unrealized losses as of June 30, 2018 and December 31, 2017.

Securities in an Unrealized Loss Position

(Dollar amounts in thousands)

		Less Than 12 Months				12 Months or Longer				Total
	Number of Securities	Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses
As of June 30, 2018
Securities Available-for-Sale
U.S. treasury securities	22	$	32,699	$	252	$	14,459	$	47	$	47,158	$	299
U.S. agency securities	78	79,845		1,138		62,820		1,028		142,665		2,166
CMOs	242	562,594		13,295		568,315		24,947		1,130,909		38,242
MBSs	107	183,907		3,910		225,627		9,195		409,534		13,105
Municipal securities	451	122,847		1,872		58,580		1,969		181,427		3,841
Corporate debt securities	8	40,285		857		—		—		40,285		857
Total	908	$	1,022,177	$	21,324	$	929,801	$	37,186	$	1,951,978	$	58,510
Securities Held-to-Maturity
Municipal securities	8	$	—	$	—	$	10,918	$	2,124	$	10,918	$	2,124
As of December 31, 2017
Securities Available-for-Sale
U.S. treasury securities	20	$	19,918	$	87	$	26,427	$	97	$	46,345	$	184
U.S. agency securities	72	66,899		300		58,021		686		124,920		986
CMOs	211	365,131		3,265		633,227		14,689		998,358		17,954
MBSs	86	126,136		902		210,017		3,432		336,153		4,334
Municipal securities	265	35,500		479		81,360		781		116,860		1,260
Equity securities(1)	2	391		214		6,386		91		6,777		305
Total	656	$	613,975	$	5,247	$	1,015,438	$	19,776	$	1,629,413	$	25,023
Securities Held-to-Maturity
Municipal securities	8	$	—	$	—	$	12,013	$	1,747	$	12,013	$	1,747

⁽¹⁾  As a result of accounting guidance adopted in the first quarter of 2018, equity securities are no longer presented within securities available-for-sale and are now presented within equity securities in the Consolidated Statements of Financial Condition for the current period. For further discussion of this guidance, see Note 2, "Recent Accounting Pronouncements."

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Loans (Tables)

6 Months Ended

Jun. 30, 2018

Loans and Leases Receivable Disclosure [Abstract]

Composition Of Loan Portfolio

The following table presents the Company's loans held-for-investment by class.

Loan Portfolio

(Dollar amounts in thousands)

	As of
	June 30, 2018		December 31, 2017
Commercial and industrial	$	3,844,067	$	3,529,914
Agricultural	433,175		430,886
Commercial real estate:
Office, retail, and industrial	1,834,918		1,979,820
Multi-family	703,091		675,463
Construction	633,601		539,820
Other commercial real estate	1,337,396		1,358,515
Total commercial real estate	4,509,006		4,553,618
Total corporate loans	8,786,248		8,514,418
Home equity	847,903		827,055
1-4 family mortgages	880,181		774,357
Installment	377,233		321,982
Total consumer loans	2,105,317		1,923,394
Total loans	$	10,891,565	$	10,437,812
Deferred loan fees included in total loans	$	5,444	$	4,986
Overdrawn demand deposits included in total loans	8,163		8,587

Schedule Of Loans Sold

The following table presents loan sales for the quarters and six months ended June 30, 2018 and 2017.

Loan Sales

(Dollar amounts in thousands)

	Quarters Ended   June 30,				Six Months Ended   June 30,
	2018		2017		2018		2017
Corporate loan sales
Proceeds from sales	$	3,991	$	19,569	$	12,312	$	34,937
Less book value of loans sold	3,861		19,123		11,984		34,240
Net gains on corporate loan sales(1)	130		446		328		697
1-4 family mortgage loan sales
Proceeds from sales	$	65,715	$	60,894	$	130,900	$	116,655
Less book value of loans sold	64,336		59,461		128,094		114,059
Net gains on 1-4 family mortgage loan sales(2)	1,379		1,433		2,806		2,596
Total net gains on loan sales	$	1,509	$	1,879	$	3,134	$	3,293

⁽¹⁾  Net gains on corporate loan sales are included in other service charges, commissions, and fees in the Condensed Consolidated Statements of Income.

⁽²⁾  Net gains on 1-4 family mortgage loan sales are included in mortgage banking income in the Condensed Consolidated Statements of Income.

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Acquired and Covered Loans (Tables)

6 Months Ended

Jun. 30, 2018

Acquired Loans [Abstract]

Acquired Loans

The following table presents the carrying amount of acquired and covered PCI and non-PCI loans as of June 30, 2018 and December 31, 2017.

Acquired and Covered Loans⁽¹⁾ 

(Dollar amounts in thousands)

	As of June 30, 2018						As of December 31, 2017
	PCI		Non-PCI		Total		PCI		Non-PCI		Total
Acquired loans	$	106,218	$	1,243,420	$	1,349,638	$	130,694	$	1,512,664	$	1,643,358
Covered loans	6,138		8,550		14,688		6,759		11,789		18,548
Total acquired and covered loans	$	112,356	$	1,251,970	$	1,364,326	$	137,453	$	1,524,453	$	1,661,906

⁽¹⁾  Included in loans in the Consolidated Statements of Condition.

FDIC Indemnification Asset Roll Forward

Rollforwards of the carrying value of the FDIC indemnification asset for the quarters and six months ended June 30, 2018 and 2017 are presented in the following table.

Changes in the FDIC Indemnification Asset

(Dollar amounts in thousands)

	Quarters Ended   June 30,						Six Months Ended   June 30,
	2018			2017			2018			2017
Beginning balance	$	3,012		$	4,220		$	3,314		$	4,522
Amortization	(302		)	(302		)	(604		)	(604		)
Change in expected reimbursements from the FDIC for   changes in expected credit losses	29			(202		)	175			(530		)
Net payments (from) to the FDIC	(29		)	202			(175		)	530
Ending balance	$	2,710		$	3,918		$	2,710		$	3,918

Schedule Of Changes In Accretable Yield For Purchased Credit Impaired Loans

Changes in the accretable yield for acquired and covered PCI loans were as follows.

Changes in Accretable Yield

(Dollar amounts in thousands)

	Quarters Ended   June 30,						Six Months Ended   June 30,
	2018			2017			2018			2017
Beginning balances	$	36,543		$	41,249		$	32,957		$	19,385
Additions	—			—			—			27,316
Accretion	(2,922		)	(3,888		)	(6,540		)	(7,843		)
Other(1)	5,387			2,509			12,591			1,012
Ending balance	$	39,008		$	39,870		$	39,008		$	39,870

⁽¹⁾  Increases represent a rise in the expected future cash flows to be collected over the remaining estimated life of the underlying portfolio, while decreases result from the resolution of certain loans occurring earlier than anticipated.

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Past Due Loans, Allowance For Credit Losses, Impaired Loans, and TDRS (Tables)

6 Months Ended

Jun. 30, 2018

Accounts, Notes, Loans and Financing Receivable, Gross, Allowance, and Net [Abstract]

Past Due Financing Receivables

The following table presents an aging analysis of the Company's past due loans as of June 30, 2018 and December 31, 2017. The aging is determined without regard to accrual status. The table also presents non-performing loans, consisting of non-accrual loans (the majority of which are past due) and loans 90 days or more past due and still accruing interest, as of each balance sheet date.

Aging Analysis of Past Due Loans and Non-performing Loans by Class

(Dollar amounts in thousands)

	Aging Analysis (Accruing and Non-accrual)										Non-performing Loans
	Current(1)		30-89 Days Past Due		90 Days or More Past Due		Total Past Due		Total Loans		Non- accrual(2)		90 Days or More Past Due, Still Accruing Interest
As of June 30, 2018
Commercial and industrial	$	3,807,618	$	18,230	$	18,219	$	36,449	$	3,844,067	$	22,672	$	1,544
Agricultural	427,295		1,477		4,403		5,880		433,175		2,992		1,418
Commercial real estate:
Office, retail, and industrial	1,820,408		5,366		9,144		14,510		1,834,918		9,007		1,402
Multi-family	696,920		3,530		2,641		6,171		703,091		3,551		2,269
Construction	633,043		107		451		558		633,601		208		243
Other commercial real estate	1,326,694		6,640		4,062		10,702		1,337,396		5,288		591
Total commercial real estate	4,477,065		15,643		16,298		31,941		4,509,006		18,054		4,505
Total corporate loans	8,711,978		35,350		38,920		74,270		8,786,248		43,718		7,467
Home equity	842,257		4,048		1,598		5,646		847,903		5,399		—
1-4 family mortgages	876,045		1,986		2,150		4,136		880,181		4,358		41
Installment	374,011		2,776		446		3,222		377,233		—		446
Total consumer loans	2,092,313		8,810		4,194		13,004		2,105,317		9,757		487
Total loans	$	10,804,291	$	44,160	$	43,114	$	87,274	$	10,891,565	$	53,475	$	7,954
As of December 31, 2017
Commercial and industrial	$	3,490,783	$	34,620	$	4,511	$	39,131	$	3,529,914	$	40,580	$	1,830
Agricultural	430,221		280		385		665		430,886		219		177
Commercial real estate:
Office, retail, and industrial	1,970,564		3,156		6,100		9,256		1,979,820		11,560		345
Multi-family	672,098		3,117		248		3,365		675,463		377		20
Construction	539,043		198		579		777		539,820		209		371
Other commercial real estate	1,353,263		2,545		2,707		5,252		1,358,515		3,621		317
Total commercial real estate	4,534,968		9,016		9,634		18,650		4,553,618		15,767		1,053
Total corporate loans	8,455,972		43,916		14,530		58,446		8,514,418		56,566		3,060
Home equity	820,099		4,102		2,854		6,956		827,055		5,946		98
1-4 family mortgages	770,120		2,145		2,092		4,237		774,357		4,412		—
Installment	319,178		2,407		397		2,804		321,982		—		397
Total consumer loans	1,909,397		8,654		5,343		13,997		1,923,394		10,358		495
Total loans	$	10,365,369	$	52,570	$	19,873	$	72,443	$	10,437,812	$	66,924	$	3,555

⁽¹⁾  PCI loans with an accretable yield are considered current.

⁽²⁾  Includes PCI loans of $748,000 and $763,000 as of June 30, 2018 and December 31, 2017, respectively, which no longer have an accretable yield as estimates of expected future cash flows have decreased since the acquisition due to credit deterioration.

Allowance for Credit Losses on Financing Receivables

A rollforward of the allowance for credit losses by portfolio segment for the quarters and six months ended June 30, 2018 and 2017 is presented in the table below.

Allowance for Credit Losses by Portfolio Segment

(Dollar amounts in thousands)

	Commercial, Industrial, and Agricultural			Office, Retail, and Industrial			Multi- family			Construction			Other Commercial Real Estate			Consumer			Reserve for Unfunded Commitments		Total Allowance for Credit Losses
Quarter ended June 30, 2018
Beginning balance	$	57,200		$	10,607		$	2,592		$	1,972		$	5,291		$	17,192		$	1,000	$	95,854
Charge-offs	(8,662		)	(305		)	(4		)	—			(1		)	(2,337		)	—		(11,309		)
Recoveries	753			26			—			8			359			386			—		1,532
Net charge-offs	(7,909		)	(279		)	(4		)	8			358			(1,951		)	—		(9,777		)
Provision for loan   losses and other	10,752			(1,266		)	(413		)	144			(1,018		)	3,415			—		11,614
Ending balance	$	60,043		$	9,062		$	2,175		$	2,124		$	4,631		$	18,656		$	1,000	$	97,691
Quarter ended June 30, 2017
Beginning balance	$	41,786		$	17,701		$	2,860		$	4,110		$	6,922		$	14,784		$	1,000	$	89,163
Charge-offs	(2,957		)	—			—			(39		)	(307		)	(1,556		)	—		(4,859		)
Recoveries	400			8			6			12			79			323			—		828
Net charge-offs	(2,557		)	8			6			(27		)	(228		)	(1,233		)	—		(4,031		)
Provision for loan   losses and other	7,042			(2,701		)	53			11			785			3,049			—		8,239
Ending balance	$	46,271		$	15,008		$	2,919		$	4,094		$	7,479		$	16,600		$	1,000	$	93,371
Six months ended June 30, 2018
Beginning balance	$	55,791		$	10,996		$	2,534		$	3,481		$	6,381		$	16,546		$	1,000	$	96,729
Charge-offs	(23,332		)	(766		)	(4		)	—			(70		)	(4,222		)	—		(28,394		)
Recoveries	1,291			123			—			21			398			728			—		2,561
Net charge-offs	(22,041		)	(643		)	(4		)	21			328			(3,494		)	—		(25,833		)
Provision for loan   losses and other	26,293			(1,291		)	(355		)	(1,378		)	(2,078		)	5,604			—		26,795
Ending balance	$	60,043		$	9,062		$	2,175		$	2,124		$	4,631		$	18,656		$	1,000	$	97,691
Six months ended June 30, 2017
Beginning balance	$	40,709		$	17,595		$	3,261		$	3,444		$	7,739		$	13,335		$	1,000	$	87,083
Charge-offs	(7,031		)	(127		)	—			(44		)	(715		)	(3,220		)	—		(11,137		)
Recoveries	2,066			983			34			239			180			766			—		4,268
Net charge-offs	(4,965		)	856			34			195			(535		)	(2,454		)	—		(6,869		)
Provision for loan   losses and other	10,527			(3,443		)	(376		)	455			275			5,719			—		13,157
Ending balance	$	46,271		$	15,008		$	2,919		$	4,094		$	7,479		$	16,600		$	1,000	$	93,371

Schedule of Loans and The Related Allowance For Credit Losses

The table below provides a breakdown of loans and the related allowance for credit losses by portfolio segment as of June 30, 2018 and December 31, 2017.

Loans and Related Allowance for Credit Losses by Portfolio Segment

(Dollar amounts in thousands)

	Loans								Allowance for Credit Losses
	Individually Evaluated for Impairment		Collectively Evaluated for Impairment		PCI		Total		Individually Evaluated for Impairment		Collectively Evaluated for Impairment		PCI		Total
As of June 30, 2018
Commercial, industrial, and   agricultural	$	23,598	$	4,248,880	$	4,764	$	4,277,242	$	2,884	$	56,725	$	434	$	60,043
Commercial real estate:
Office, retail, and industrial	7,642		1,815,329		11,947		1,834,918		792		6,624		1,646		9,062
Multi-family	3,941		686,136		13,014		703,091		—		1,998		177		2,175
Construction	—		628,649		4,952		633,601		—		1,968		156		2,124
Other commercial real estate	3,165		1,276,791		57,440		1,337,396		—		3,823		808		4,631
Total commercial real estate	14,748		4,406,905		87,353		4,509,006		792		14,413		2,787		17,992
Total corporate loans	38,346		8,655,785		92,117		8,786,248		3,676		71,138		3,221		78,035
Consumer	—		2,085,078		20,239		2,105,317		—		17,167		1,489		18,656
Reserve for unfunded   commitments	—		—		—		—		—		1,000		—		1,000
Total loans	$	38,346	$	10,740,863	$	112,356	$	10,891,565	$	3,676	$	89,305	$	4,710	$	97,691
As of December 31, 2017
Commercial, industrial, and   agricultural	$	38,718	$	3,909,380	$	12,702	$	3,960,800	$	10,074	$	45,293	$	424	$	55,791
Commercial real estate:
Office, retail, and industrial	10,810		1,954,435		14,575		1,979,820		—		9,333		1,663		10,996
Multi-family	621		660,771		14,071		675,463		—		2,436		98		2,534
Construction	—		530,977		8,843		539,820		—		3,331		150		3,481
Other commercial real estate	1,468		1,291,723		65,324		1,358,515		—		5,415		966		6,381
Total commercial real estate	12,899		4,437,906		102,813		4,553,618		—		20,515		2,877		23,392
Total corporate loans	51,617		8,347,286		115,515		8,514,418		10,074		65,808		3,301		79,183
Consumer	—		1,901,456		21,938		1,923,394		—		15,533		1,013		16,546
Reserve for unfunded   commitments	—		—		—		—		—		1,000		—		1,000
Total loans	$	51,617	$	10,248,742	$	137,453	$	10,437,812	$	10,074	$	82,341	$	4,314	$	96,729

Impaired Financing Receivables

The following table presents loans individually evaluated for impairment by class of loan as of June 30, 2018 and December 31, 2017. PCI loans are excluded from this disclosure.

Impaired Loans Individually Evaluated by Class

(Dollar amounts in thousands)

	As of June 30, 2018								As of December 31, 2017
	Recorded Investment In								Recorded Investment In
	Loans with No Specific Reserve		Loans with a Specific Reserve		Unpaid Principal Balance		Specific Reserve		Loans with No Specific Reserve		Loans with a Specific Reserve		Unpaid Principal Balance		Specific Reserve
Commercial and industrial	$	5,777	$	14,919	$	40,033	$	2,683	$	4,234	$	34,484	$	53,192	$	10,074
Agricultural	—		2,902		4,672		201		—		—		—		—
Commercial real estate:
Office, retail, and industrial	3,303		4,339		8,125		792		7,154		3,656		14,246		—
Multi-family	3,941		—		3,941		—		621		—		621		—
Construction	—		—		—		—		—		—		—		—
Other commercial real estate	3,165		—		3,199		—		1,468		—		1,566		—
Total commercial real estate	10,409		4,339		15,265		792		9,243		3,656		16,433		—
Total impaired loans   individually evaluated for   impairment	$	16,186	$	22,160	$	59,970	$	3,676	$	13,477	$	38,140	$	69,625	$	10,074

The following table presents the average recorded investment and interest income recognized on impaired loans by class for the quarters and six months ended June 30, 2018 and 2017. PCI loans are excluded from this disclosure.

Average Recorded Investment and Interest Income Recognized on Impaired Loans by Class

(Dollar amounts in thousands)

	Quarters Ended June 30,
	2018				2017
	Average Recorded Investment		Interest Income Recognized(1)		Average Recorded Investment		Interest Income Recognized(1)
Commercial and industrial	$	31,787	$	14	$	33,648	$	342
Agricultural	3,386		25		697		—
Commercial real estate:
Office, retail, and industrial	9,509		656		13,612		169
Multi-family	2,166		48		396		—
Construction	—		—		—		—
Other commercial real estate	2,694		61		2,334		8
Total commercial real estate	14,369		765		16,342		177
Total impaired loans	$	49,542	$	804	$	50,687	$	519
	Six Months Ended June 30,
	2018				2017
	Average Recorded Investment		Interest Income Recognized(1)		Average Recorded Investment		Interest Income Recognized(1)
Commercial and industrial	$	34,097	$	36	$	30,647	$	556
Agricultural	2,257		25		464		—
Commercial real estate:
Office, retail, and industrial	9,942		768		14,503		262
Multi-family	1,651		55		397		28
Construction	—		—		11		136
Other commercial real estate	2,285		113		1,984		20
Total commercial real estate	13,878		936		16,895		446
Total impaired loans	$	50,232	$	997	$	48,006	$	1,002

⁽¹⁾  Recorded using the cash basis of accounting.

Financing Receivable Credit Quality Indicators

The following tables present credit quality indicators by class for corporate and consumer loans, as of June 30, 2018 and December 31, 2017.

Corporate Credit Quality Indicators by Class

(Dollar amounts in thousands)

	Pass		Special  Mention(1)(4)		Substandard(2)(4)		Non-accrual(3)		Total
As of June 30, 2018
Commercial and industrial	$	3,648,626	$	122,881	$	49,888	$	22,672	$	3,844,067
Agricultural	415,043		8,474		6,666		2,992		433,175
Commercial real estate:
Office, retail, and industrial	1,770,908		23,602		31,401		9,007		1,834,918
Multi-family	687,065		10,460		2,015		3,551		703,091
Construction	607,142		18,915		7,336		208		633,601
Other commercial real estate	1,281,870		32,137		18,101		5,288		1,337,396
Total commercial real estate	4,346,985		85,114		58,853		18,054		4,509,006
Total corporate loans	$	8,410,654	$	216,469	$	115,407	$	43,718	$	8,786,248
As of December 31, 2017
Commercial and industrial	$	3,388,133	$	70,863	$	30,338	$	40,580	$	3,529,914
Agricultural	413,946		10,989		5,732		219		430,886
Commercial real estate:
Office, retail, and industrial	1,903,737		25,546		38,977		11,560		1,979,820
Multi-family	665,496		7,395		2,195		377		675,463
Construction	521,911		10,184		7,516		209		539,820
Other commercial real estate	1,304,337		29,624		20,933		3,621		1,358,515
Total commercial real estate	4,395,481		72,749		69,621		15,767		4,553,618
Total corporate loans	$	8,197,560	$	154,601	$	105,691	$	56,566	$	8,514,418

⁽¹⁾  Loans categorized as special mention exhibit potential weaknesses that require the close attention of management since these potential weaknesses may result in the deterioration of repayment prospects in the future.

⁽²⁾  Loans categorized as substandard exhibit well-defined weaknesses that may jeopardize the liquidation of the debt. These loans continue to accrue interest because they are well-secured and collection of principal and interest is expected within a reasonable time.

⁽³⁾  Loans categorized as non-accrual exhibit well-defined weaknesses that may jeopardize the liquidation of the debt or result in a loss if the deficiencies are not corrected.

⁽⁴⁾  Total special mention and substandard loans includes accruing TDRs of $645,000 as of June 30, 2018 and $657,000 as of December 31, 2017.

Consumer Credit Quality Indicators by Class

(Dollar amounts in thousands)

	Performing		Non-accrual		Total
As of June 30, 2018
Home equity	$	842,504	$	5,399	$	847,903
1-4 family mortgages	875,823		4,358		880,181
Installment	377,233		—		377,233
Total consumer loans	$	2,095,560	$	9,757	$	2,105,317
As of December 31, 2017
Home equity	$	821,109	$	5,946	$	827,055
1-4 family mortgages	769,945		4,412		774,357
Installment	321,982		—		321,982
Total consumer loans	$	1,913,036	$	10,358	$	1,923,394

Troubled Debt Restructuring Activity Rollforward

The table below presents TDRs by class as of June 30, 2018 and December 31, 2017. See Note 1, "Summary of Significant Accounting Policies," for the accounting policy for TDRs.

TDRs by Class

(Dollar amounts in thousands)

	As of June 30, 2018						As of December 31, 2017
	Accruing		Non-accrual(1)		Total		Accruing		Non-accrual(1)		Total
Commercial and industrial	$	255	$	6,845	$	7,100	$	264	$	18,959	$	19,223
Agricultural	—		—		—		—		—		—
Commercial real estate:
Office, retail, and industrial	—		501		501		—		4,236		4,236
Multi-family	566		—		566		574		149		723
Construction	—		—		—		—		—		—
Other commercial real estate	187		—		187		192		—		192
Total commercial real estate	753		501		1,254		766		4,385		5,151
Total corporate loans	1,008		7,346		8,354		1,030		23,344		24,374
Home equity	84		470		554		86		738		824
1-4 family mortgages	668		422		1,090		680		451		1,131
Installment	—		—		—		—		—		—
Total consumer loans	752		892		1,644		766		1,189		1,955
Total loans	$	1,760	$	8,238	$	9,998	$	1,796	$	24,533	$	26,329

⁽¹⁾  These TDRs are included in non-accrual loans in the preceding tables.

A rollforward of the carrying value of TDRs for the quarters and six months ended June 30, 2018 and 2017 is presented in the following table.

TDR Rollforward

(Dollar amounts in thousands)

	Quarters Ended   June 30,						Six Months Ended   June 30,
	2018			2017			2018			2017
Accruing
Beginning balance	$	1,778		$	2,112		$	1,796		$	2,291
Additions	—			—			—			922
Net payments	(18		)	(83		)	(36		)	(107		)
Net transfers from (to) non-accrual	—			—			—			(1,077		)
Ending balance	1,760			2,029			1,760			2,029
Non-accrual
Beginning balance	20,466			3,112			24,533			6,297
Additions	—			—			355			—
Net payments	(9,865		)	(75		)	(12,978		)	(4,225		)
Charge-offs	(2,363		)	(1		)	(3,672		)	(113		)
Net transfers from accruing	—			—			—			1,077
Ending balance	8,238			3,036			8,238			3,036
Total TDRs	$	9,998		$	5,065		$	9,998		$	5,065

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Earnings Per Common Share (Tables)

6 Months Ended

Jun. 30, 2018

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted

The table below displays the calculation of basic and diluted earnings per common share ("EPS").

Basic and Diluted EPS

(Amounts in thousands, except per share data)

	Quarters Ended   June 30,						Six Months Ended   June 30,
	2018			2017			2018			2017
Net income	$	29,600		$	34,950		$	63,110		$	57,805
Net income applicable to non-vested restricted shares	(240		)	(336		)	(551		)	(570		)
Net income applicable to common shares	$	29,360		$	34,614		$	62,559		$	57,235
Weighted-average common shares outstanding:
Weighted-average common shares outstanding (basic)	102,159			101,743			102,041			101,081
Dilutive effect of common stock equivalents	—			20			8			20
Weighted-average diluted common shares outstanding	102,159			101,763			102,049			101,101
Basic EPS	$	0.29		$	0.34		$	0.61		$	0.57
Diluted EPS	$	0.29		$	0.34		$	0.61		$	0.57
Anti-dilutive shares not included in the computation of diluted EPS(1)	—			195			54			269

⁽¹⁾  This amount represents outstanding stock options for which the exercise price is greater than the average market price of the Company's common stock. The final outstanding stock options were exercised during the first quarter of 2018.

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Derivative Instruments and Hedging Activities (Tables)

6 Months Ended

Jun. 30, 2018

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Interest Rate Derivatives

Cash Flow Hedges

(Dollar amounts in thousands)

	As of
	June 30, 2018			December 31, 2017
Gross notional amount outstanding	$	2,170,000		$	1,960,000
Derivative asset fair value in other assets(1)	8,389			3,989
Derivative liability fair value in other liabilities(1)	(18,876		)	(10,219		)
Weighted-average interest rate received	2.01		%	1.58		%
Weighted-average interest rate paid	1.97		%	1.61		%
Weighted-average maturity (in years)	2.01			2.25

⁽¹⁾  Certain cash flow hedges are transacted through a clearinghouse ("centrally cleared") and their change in fair value is settled by the counterparties to the transaction, which results in no fair value.

The following table presents the impact of derivative instruments on net interest income for the quarters and six months ended June 30, 2018 and 2017.

Hedge Income

(Dollar amounts in thousands)

	Quarters Ended   June 30,						Six Months Ended   June 30,
	2018			2017			2018			2017
Fair Value Hedges
Interest rate swaps in interest income	$	(18	)	$	(56	)	$	(59	)	$	(90	)
Cash Flow Hedges
Interest rate swaps in interest income	376			1,531			647			3,387
Interest rate swaps in interest expense	(503		)	(1,078		)	(1,109		)	(2,223		)
Total cash flow hedges	(127		)	453			(462		)	1,164
Total net (losses) gains on hedges	$	(145	)	$	397		$	(521	)	$	1,074

Fair Value Hedges

(Dollar amounts in thousands)

	As of
	June 30, 2018			December 31, 2017
Gross notional amount outstanding	$	5,208		$	5,458
Derivative liability fair value in other liabilities	(33		)	(101		)
Weighted-average interest rate received	4.00		%	3.38		%
Weighted-average interest rate paid	5.96		%	5.96		%
Weighted-average maturity (in years)	0.35			0.84
Fair value of derivative(1)	$	40		$	110

⁽¹⁾  This amount represents the fair value if credit risk related contingent features were triggered.

Schedule of Derivative Instruments

Other Derivative Instruments

(Dollar amounts in thousands)

	As of
	June 30, 2018			December 31, 2017
Gross notional amount outstanding	$	3,060,888		$	2,665,358
Derivative asset fair value in other assets(1)	26,691			17,079
Derivative liability fair value in other liabilities(1)	(29,131		)	(14,930		)
Fair value of derivative(2)	29,141			15,059

⁽¹⁾  Certain other derivative instruments are centrally cleared and their change in fair value is settled by the counterparties to the transaction, which results in no fair value.

⁽²⁾  This amount represents the fair value if credit risk related contingent features were triggered.

Offsetting Assets

The following table presents the fair value of the Company's derivatives and offsetting positions as of June 30, 2018 and December 31, 2017.

Fair Value of Offsetting Derivatives

(Dollar amounts in thousands)

	As of June 30, 2018						As of December 31, 2017
	Assets			Liabilities			Assets			Liabilities
Gross amounts recognized	$	35,080		$	48,040		$	21,068		$	25,250
Less: amounts offset in the Consolidated Statements of   Financial Condition	—			—			—			—
Net amount presented in the Consolidated Statements of   Financial Condition(1)	35,080			48,040			21,068			25,250
Gross amounts not offset in the Consolidated Statements of   Financial Condition:
Offsetting derivative positions	(14,704		)	(14,704		)	(16,880		)	(16,880		)
Cash collateral pledged	(17,360		)	(4,480		)	—			(8,370		)
Net credit exposure	$	3,016		$	28,856		$	4,188		$	—

⁽¹⁾  Included in other assets or other liabilities in the Consolidated Statements of Financial Condition.

Offsetting Liabilities

The following table presents the fair value of the Company's derivatives and offsetting positions as of June 30, 2018 and December 31, 2017.

Fair Value of Offsetting Derivatives

(Dollar amounts in thousands)

	As of June 30, 2018						As of December 31, 2017
	Assets			Liabilities			Assets			Liabilities
Gross amounts recognized	$	35,080		$	48,040		$	21,068		$	25,250
Less: amounts offset in the Consolidated Statements of   Financial Condition	—			—			—			—
Net amount presented in the Consolidated Statements of   Financial Condition(1)	35,080			48,040			21,068			25,250
Gross amounts not offset in the Consolidated Statements of   Financial Condition:
Offsetting derivative positions	(14,704		)	(14,704		)	(16,880		)	(16,880		)
Cash collateral pledged	(17,360		)	(4,480		)	—			(8,370		)
Net credit exposure	$	3,016		$	28,856		$	4,188		$	—

⁽¹⁾  Included in other assets or other liabilities in the Consolidated Statements of Financial Condition.

Cash Flow Hedge Accounting on AOCI

The following table presents the impact of derivative instruments on comprehensive income and the reclassification of gains (losses) from accumulated other comprehensive loss to net interest income for the quarters and six months ended June 30, 2018 and 2017.

Cash Flow Hedge Accounting on AOCI

(Dollar amounts in thousands)

	Quarters Ended   June 30,						Six Months Ended   June 30,
	2018			2017			2018			2017
Gains (losses) recognized in other comprehensive income
Interest rate swaps in interest income	$	3,577		$	3,541		$	10,573		$	5,352
Interest rate swaps in interest expense	(2,860		)	(3,089		)	(10,043		)	(3,391		)
Reclassification of gains (losses) included in net income
Interest rate swaps in interest income	$	376		$	1,531		$	647		$	3,387
Interest rate swaps in interest expense	(503		)	(1,078		)	(1,109		)	(2,223		)

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Commitments, Guarantees, and Contingent Liabilities (Tables)

6 Months Ended

Jun. 30, 2018

Commitments and Contingencies Disclosure [Abstract]

Commitments Disclosure

Contractual or Notional Amounts of Financial Instruments

(Dollar amounts in thousands)

	As of
	June 30, 2018		December 31, 2017
Commitments to extend credit:
Commercial, industrial, and agricultural	$	1,656,372	$	1,729,426
Commercial real estate	349,861		377,551
Home equity	546,600		514,973
Other commitments(1)	244,752		244,222
Total commitments to extend credit	$	2,797,585	$	2,866,172
Letters of credit	$	119,941	$	128,801

⁽¹⁾  Other commitments includes installment and overdraft protection program commitments.

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Fair Value (Tables)

6 Months Ended

Jun. 30, 2018

Fair Value Disclosures [Abstract]

Fair Value, Assets Measured on Recurring Basis

The following table provides the fair value for assets and liabilities required to be measured at fair value on a recurring basis in the Consolidated Statements of Financial Condition by level in the fair value hierarchy.

Recurring Fair Value Measurements

(Dollar amounts in thousands)

	As of June 30, 2018						As of December 31, 2017
	Level 1		Level 2		Level 3		Level 1		Level 2		Level 3
Assets
Trading securities:
Money market funds	$	—	$	—	$	—	$	1,685	$	—	$	—
Mutual funds	—		—		—		18,762		—		—
Total trading securities(1)	—		—		—		20,447		—		—
Equity securities(1)	21,333		7,108		—		—		—		—
Securities available-for-sale(1)
U.S. treasury securities	49,158		—		—		46,345		—		—
U.S. agency securities	—		148,284		—		—		156,847		—
CMOs	—		1,232,430		—		—		1,095,186		—
MBSs	—		437,636		—		—		369,543		—
Municipal securities	—		218,345		—		—		208,991		—
Corporate debt securities	—		57,012		—		—		—		—
Equity securities	—		—		—		—		7,297		—
Total securities available-for-sale	49,158		2,093,707		—		46,345		1,837,864		—
Mortgage servicing rights ("MSRs")(2)	—		—		6,671		—		—		5,894
Derivative assets(2)	—		35,080		—		—		21,068		—
Liabilities
Derivative liabilities(3)	$	—	$	48,040	$	—	$	—	$	25,250	$	—

⁽¹⁾  As a result of recently adopted accounting guidance, equity securities are no longer presented within trading securities or securities available-for-sale for the prior period and are now presented within equity securities for the current period. For further discussion of this guidance, see Note 2 of "Notes to the Condensed Consolidated Financial Statements" in Item 1 of this Form 10-Q.

⁽²⁾  Included in other assets in the Consolidated Statements of Financial Condition.

⁽³⁾  Included in other liabilities in the Consolidated Statements of Financial Condition.

Significant Unobservable Inputs Used in the Valuation of MSRs

The following table presents the ranges of significant, unobservable inputs used by the Company to determine the fair value of MSRs as of June 30, 2018 and December 31, 2017.

Significant Unobservable Inputs Used in the Valuation of MSRs

	As of
	June 30, 2018				December 31, 2017
Prepayment speed	6.7	%	-	13.5%	4.2	%	-	13.1%
Maturity (months)	4		-	106	6		-	92
Discount rate	9.5	%	-	12.0%	9.5	%	-	12.0%

Schedule of Servicing Assets at Fair Value

A rollforward of the carrying value of MSRs for the quarters and six months ended June 30, 2018 and 2017 is presented in the following table.

Carrying Value of MSRs

(Dollar amounts in thousands)

	Quarters Ended   June 30,						Six Months Ended   June 30,
	2018			2017			2018			2017
Beginning balance	$	6,468		$	6,245		$	5,894		$	6,120
New MSRs	393			205			569			361
Total gains (losses) included in earnings(1):
Changes in valuation inputs and assumptions	2			(260		)	562			(88		)
Other changes in fair value(2)	(192		)	(265		)	(354		)	(468		)
Ending balance	$	6,671		$	5,925		$	6,671		$	5,925
Contractual servicing fees earned(1)	$	369		$	384		$	747		$	779

⁽¹⁾  Included in mortgage banking income in the Condensed Consolidated Statements of Income and related to assets held as of June 30, 2018 and 2017.

⁽²⁾  Primarily represents changes in expected future cash flows due to payoffs and paydowns.

Fair Value Measurements, Nonrecurring

The following table provides the fair value for each class of assets and liabilities required to be measured at fair value on a non-recurring basis in the Consolidated Statements of Financial Condition by level in the fair value hierarchy.

Non-Recurring Fair Value Measurements

(Dollar amounts in thousands)

	As of June 30, 2018						As of December 31, 2017
	Level 1		Level 2		Level 3		Level 1		Level 2		Level 3
Collateral-dependent impaired loans(1)	$	—	$	—	$	19,810	$	—	$	—	$	33,240
OREO(2)	—		—		5,177		—		—		12,340
Loans held-for-sale(3)	—		—		6,030		—		—		21,098
Assets held-for-sale(4)	—		—		3,899		—		—		2,208

⁽¹⁾  Includes impaired loans with charge-offs and impaired loans with a specific reserve during the periods presented.

⁽²⁾  Includes OREO with fair value adjustments subsequent to initial transfer that occurred during the periods presented.

⁽³⁾  Included in other assets in the Consolidated Statements of Financial Condition.

⁽⁴⁾  Included in premises, furniture, and equipment in the Consolidated Statements of Financial Condition.

Fair Value, by Balance Sheet Grouping

For certain financial instruments that are not required to be measured at fair value in the Consolidated Statements of Financial Condition, the Company must disclose the estimated fair values and the level within the fair value hierarchy as shown in the following table.

Fair Value Measurements of Other Financial Instruments

(Dollar amounts in thousands)

		As of
		June 30, 2018				December 31, 2017
	Fair Value Hierarchy Level	Carrying Amount		Fair Value		Carrying Amount		Fair Value
Assets
Cash and due from banks	1	$	181,482	$	181,482	$	192,800	$	192,800
Interest-bearing deposits in other banks	2	192,785		192,785		153,770		153,770
Securities held-to-maturity	2	13,042		10,918		13,760		12,013
FHLB and FRB stock	2	82,778		82,778		69,708		69,708
Loans	3	10,797,584		10,451,952		10,345,397		10,059,992
Investment in BOLI	3	282,664		282,664		279,900		279,900
Accrued interest receivable	3	48,542		48,542		45,261		45,261
Other interest-earning assets	3	78		78		228		228
Liabilities
Deposits	2	$	11,492,263	$	11,470,263	$	11,053,325	$	11,038,819
Borrowed funds	2	981,044		981,044		714,884		714,884
Senior and subordinated debt	2	195,453		208,425		195,170		208,666
Accrued interest payable	2	7,115		7,115		4,704		4,704

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Recent Accounting Pronouncements (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
	Jan. 01, 2018	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017	Dec. 31, 2016
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Noninterest Expense		$ 113,416	$ 99,751	$ 208,998	$ 216,393
Non-cash transfer of equity securities previously classified as trading securities and securities available-for-sale				28,400
Reclassification of tax effects from AOCI to retained earnings	$ 6,800
Deferred gain, net		71,700		71,700		$ 82,500
Difference between Revenue Guidance in Effect before and after Topic 606 | Accounting Standards Update 2014-09
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Noninterest Expense		4,000		7,700
Difference between Revenue Guidance in Effect before and after Topic 606 | Card-based | Accounting Standards Update 2014-09
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Noninterest Expense		1,900		3,600
Difference between Revenue Guidance in Effect before and after Topic 606 | Merchant Servicing | Accounting Standards Update 2014-09
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Noninterest Expense		$ 2,100		$ 4,100

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Acquisitions - Additional Information (Details) - USD ($) $ / shares in Units, $ in Millions	Jun. 06, 2018	Jan. 06, 2017	Jun. 30, 2018	Feb. 28, 2017
Northern States Financial Corporation
Business Acquisition [Line Items]
Announced assets to be acquired			$ 530.0
Announced deposits to be acquired			450.0
Announced loans to be acquired			$ 310.0
Fixed exchange ratio (in shares)	0.0369
Announced consideration to be transferred	$ 91.0
Standard Bancshares, Inc.
Business Acquisition [Line Items]
Fixed exchange ratio (in shares)		0.4350
Consideration transferred		$ 580.7
Common stock, shares issued (in shares)		21,057,085
Cash paid		$ 47.1
Goodwill		$ 345.3
Premier Asset Management LLC
Business Acquisition [Line Items]
Assets under management acquired				$ 550.0
First Midwest Bancorp, Inc
Business Acquisition [Line Items]
Share price (in Dollars per share)		$ 25.34
Standard Bancshares, Inc.
Business Acquisition [Line Items]
Share price (in Dollars per share)		$ 11.02

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Securities - Securities Portfolio (Details) - USD ($) $ in Thousands		Jun. 30, 2018	Dec. 31, 2017
Debt and Equity Securities, FV-NI [Line Items]
Equity securities		$ 28,441	$ 0
Trading securities		0	20,447
Debt Securities, Available-for-sale [Line Items]
Amortized Cost		2,200,615
Amortized Cost			1,907,826
Gross Unrealized Gains		760
Gross Unrealized Gains			1,406
Gross Unrealized Losses		(58,510)
Gross Unrealized Losses			(25,023)
Fair Value		2,142,865
Fair Value		2,142,865	1,884,209
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost		13,042	13,760
Fair Value		10,918
Trading securities, Fair Value	[1]		20,447
U.S. treasury securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost		49,455
Amortized Cost			46,529
Gross Unrealized Gains		2
Gross Unrealized Gains			0
Gross Unrealized Losses		(299)
Gross Unrealized Losses			(184)
Fair Value		49,158
Fair Value			46,345
U.S. agency securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost		150,443
Amortized Cost			157,636
Gross Unrealized Gains		7
Gross Unrealized Gains			197
Gross Unrealized Losses		(2,166)
Gross Unrealized Losses			(986)
Fair Value		148,284
Fair Value			156,847
Collateralized mortgage obligations (CMOs)
Debt Securities, Available-for-sale [Line Items]
Amortized Cost		1,270,304
Amortized Cost			1,113,019
Gross Unrealized Gains		368
Gross Unrealized Gains			121
Gross Unrealized Losses		(38,242)
Gross Unrealized Losses			(17,954)
Fair Value		1,232,430
Fair Value			1,095,186
Other mortgage-backed securities (MBSs)
Debt Securities, Available-for-sale [Line Items]
Amortized Cost		450,512
Amortized Cost			373,676
Gross Unrealized Gains		229
Gross Unrealized Gains			201
Gross Unrealized Losses		(13,105)
Gross Unrealized Losses			(4,334)
Fair Value		437,636
Fair Value			369,543
Municipal securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost		222,034
Amortized Cost			209,558
Gross Unrealized Gains		152
Gross Unrealized Gains			693
Gross Unrealized Losses		(3,841)
Gross Unrealized Losses			(1,260)
Fair Value		218,345
Fair Value			208,991
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost		13,042	13,760
Gross Unrealized Gains		0	0
Gross Unrealized Losses		(2,124)	(1,747)
Fair Value		10,918	12,013
Corporate debt securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost		57,867
Amortized Cost			0
Gross Unrealized Gains		2
Gross Unrealized Gains			0
Gross Unrealized Losses		(857)
Gross Unrealized Losses			0
Fair Value		57,012
Fair Value			0
Equity securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	[1]		7,408
Gross Unrealized Gains	[1]		194
Gross Unrealized Losses	[1]		(305)
Fair Value	[1]		$ 7,297
Equity securities
Debt and Equity Securities, FV-NI [Line Items]
Equity securities	[1]	$ 28,441

[1] (1) As a result of accounting guidance adopted in the first quarter of 2018, equity securities are no longer presented within trading securities or securities available-for-sale and are now presented within equity securities in the Consolidated Statements of Financial Condition for the current period. For further discussion of this guidance, see Note 2, "Recent Accounting Pronouncements."

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Securities - Remaining Contractual Maturity of Securities (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Available-for-sale Securities, Amortized Cost [Abstract]
One year or less	$ 120,038
After one year to five years	165,112
After five years to ten years	194,649
After ten years	0
Securities that do not have a single contractual maturity date	1,720,816
Amortized Cost	2,200,615
Available-for-sale Securities, Fair Value [Abstract]
One year or less	118,287
After one year to five years	162,703
After five years to ten years	191,809
After ten years	0
Securities that do not have a single contractual maturity date	1,670,066
Fair Value	2,142,865
Held-to-maturity Securities, Amortized Cost [Abstract]
One year or less	1,626
After one year to five years	5,197
After five years to ten years	2,177
After ten years	4,042
Securities that do not have a single contractual maturity date	0
Amortized Cost	13,042	$ 13,760
Held-to-maturity Securities, Fair Value [Abstract]
One year or less	1,361
After one year to five years	4,350
After five years to ten years	1,823
After ten years	3,384
Securities that do not have a single contractual maturity date	0
Fair Value	$ 10,918

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Securities - Securities Gains (Losses) (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Gains on sales of securities:
Gross realized gains	$ 0	$ 284,000	$ 0	$ 284,000
Gross realized losses	0	0	0	0
Net realized gains on sales of securities	0	284,000	0	284,000
Non-cash impairment charges:
Other-than-temporary securities impairment (OTTI)	0	0	0	0
Net realized gains	$ 0	$ 284,000	$ 0	$ 284,000

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Securities - Additional Information (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017	Dec. 31, 2017
Investments, Debt and Equity Securities [Abstract]
Available-for-sale securities pledged	$ 1,300,000,000		$ 1,300,000,000		$ 1,100,000,000
Other-than-temporary securities impairment (OTTI)	$ 0	$ 0	$ 0	$ 0

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Securities - Securities In An Unrealized Loss Position (Details) $ in Thousands		Jun. 30, 2018 USD ($) security	Dec. 31, 2017 USD ($) security
Securities Available-for-Sale
Number of Securities | security		908
Number of Securities | security			656
Fair Value
Less Than 12 Months		$ 1,022,177
Less Than 12 Months			$ 613,975
12 Months or Longer		929,801
12 Months or Longer			1,015,438
Total		1,951,978
Total			1,629,413
Unrealized Losses
Less Than 12 Months		21,324
Less Than 12 Months			5,247
12 Months or Longer		37,186
12 Months or Longer			19,776
Total		$ 58,510
Total			$ 25,023
U.S. treasury securities
Securities Available-for-Sale
Number of Securities | security		22
Number of Securities | security			20
Fair Value
Less Than 12 Months		$ 32,699
Less Than 12 Months			$ 19,918
12 Months or Longer		14,459
12 Months or Longer			26,427
Total		47,158
Total			46,345
Unrealized Losses
Less Than 12 Months		252
Less Than 12 Months			87
12 Months or Longer		47
12 Months or Longer			97
Total		$ 299
Total			$ 184
U.S. agency securities
Securities Available-for-Sale
Number of Securities | security		78
Number of Securities | security			72
Fair Value
Less Than 12 Months		$ 79,845
Less Than 12 Months			$ 66,899
12 Months or Longer		62,820
12 Months or Longer			58,021
Total		142,665
Total			124,920
Unrealized Losses
Less Than 12 Months		1,138
Less Than 12 Months			300
12 Months or Longer		1,028
12 Months or Longer			686
Total		$ 2,166
Total			$ 986
CMOs
Securities Available-for-Sale
Number of Securities | security		242
Number of Securities | security			211
Fair Value
Less Than 12 Months		$ 562,594
Less Than 12 Months			$ 365,131
12 Months or Longer		568,315
12 Months or Longer			633,227
Total		1,130,909
Total			998,358
Unrealized Losses
Less Than 12 Months		13,295
Less Than 12 Months			3,265
12 Months or Longer		24,947
12 Months or Longer			14,689
Total		$ 38,242
Total			$ 17,954
MBSs
Securities Available-for-Sale
Number of Securities | security		107
Number of Securities | security			86
Fair Value
Less Than 12 Months		$ 183,907
Less Than 12 Months			$ 126,136
12 Months or Longer		225,627
12 Months or Longer			210,017
Total		409,534
Total			336,153
Unrealized Losses
Less Than 12 Months		3,910
Less Than 12 Months			902
12 Months or Longer		9,195
12 Months or Longer			3,432
Total		$ 13,105
Total			$ 4,334
Municipal securities
Securities Available-for-Sale
Number of Securities | security		451
Number of Securities | security			265
Fair Value
Less Than 12 Months		$ 122,847
Less Than 12 Months			$ 35,500
12 Months or Longer		58,580
12 Months or Longer			81,360
Total		181,427
Total			116,860
Unrealized Losses
Less Than 12 Months		1,872
Less Than 12 Months			479
12 Months or Longer		1,969
12 Months or Longer			781
Total		$ 3,841
Total			$ 1,260
Securities Held-to-Maturity
Number of Securities | security		8	8
Fair Value
Less Than 12 Months		$ 0	$ 0
12 Months or Longer		10,918	12,013
Total		10,918	12,013
Unrealized Losses
Less Than 12 Months		0	0
12 Months or Longer		2,124	1,747
Total		$ 2,124	$ 1,747
Corporate debt securities
Securities Available-for-Sale
Number of Securities | security		8
Fair Value
Less Than 12 Months		$ 40,285
12 Months or Longer		0
Total		40,285
Unrealized Losses
Less Than 12 Months		857
12 Months or Longer		0
Total		$ 857
Equity securities
Securities Available-for-Sale
Number of Securities | security	[1]		2
Fair Value
Less Than 12 Months	[1]		$ 391
12 Months or Longer	[1]		6,386
Total	[1]		6,777
Unrealized Losses
Less Than 12 Months	[1]		214
12 Months or Longer	[1]		91
Total	[1]		$ 305

[1] (1) As a result of accounting guidance adopted in the first quarter of 2018, equity securities are no longer presented within securities available-for-sale and are now presented within equity securities in the Consolidated Statements of Financial Condition for the current period. For further discussion of this guidance, see Note 2, "Recent Accounting Pronouncements."

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Loans - Loan Portfolio (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	$ 10,891,565	$ 10,437,812
Deferred loan fees included in total loans	5,444	4,986
Overdrawn demand deposits included in total loans	8,163	8,587
Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	4,277,242	3,960,800
Commercial and industrial | Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	3,844,067	3,529,914
Total loans	3,844,067	3,529,914
Commercial and industrial | Agricultural
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	433,175	430,886
Total loans	433,175	430,886
Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	4,509,006	4,553,618
Total loans	4,509,006	4,553,618
Commercial real estate | Office, retail, and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	1,834,918	1,979,820
Total loans	1,834,918	1,979,820
Commercial real estate | Multi-family
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	703,091	675,463
Total loans	703,091	675,463
Commercial real estate | Construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	633,601	539,820
Total loans	633,601	539,820
Commercial real estate | Other commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	1,337,396	1,358,515
Total loans	1,337,396	1,358,515
Total corporate loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	8,786,248	8,514,418
Total loans	8,786,248	8,514,418
Consumer loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	2,105,317	1,923,394
Total loans	2,105,317	1,923,394
Consumer loans | Home equity
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	847,903	827,055
Total loans	847,903	827,055
Consumer loans | 1-4 family mortgages
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	880,181	774,357
Total loans	880,181	774,357
Consumer loans | Installment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	377,233	321,982
Total loans	$ 377,233	$ 321,982

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Loans - Loans Sales (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total net gains on loan sales		$ 1,509	$ 1,879	$ 3,134	$ 3,293
Corporate loan sales
Accounts, Notes, Loans and Financing Receivable [Line Items]
Proceeds from sales		3,991	19,569	12,312	34,937
Less book value of loans sold		3,861	19,123	11,984	34,240
Total net gains on loan sales	[1]	130	446	328	697
1-4 family mortgage loan sales
Accounts, Notes, Loans and Financing Receivable [Line Items]
Proceeds from sales		65,715	60,894	130,900	116,655
Less book value of loans sold		64,336	59,461	128,094	114,059
Total net gains on loan sales	[2]	$ 1,379	$ 1,433	$ 2,806	$ 2,596

[1] Net gains on corporate loan sales are included in other service charges, commissions, and fees in the Condensed Consolidated Statements of Income.

[2] Net gains on 1-4 family mortgage loan sales are included in mortgage banking income in the Condensed Consolidated Statements of Income.

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Acquired and Covered Loans - Acquired Loans (Details) - USD ($) $ in Thousands		Jun. 30, 2018	Dec. 31, 2017
Acquired Loans (Details) - Acquired Loans [Line Items]
Non-PCI	[1]	$ 1,251,970	$ 1,524,453
Total	[1]	1,364,326	1,661,906
Acquired loans
Acquired Loans (Details) - Acquired Loans [Line Items]
Non-PCI	[1]	1,243,420	1,512,664
Total	[1]	1,349,638	1,643,358
Covered loans
Acquired Loans (Details) - Acquired Loans [Line Items]
Non-PCI	[1]	8,550	11,789
Total	[1]	14,688	18,548
Receivables acquired with deteriorated credit quality
Acquired Loans (Details) - Acquired Loans [Line Items]
PCI	[1]	112,356	137,453
Receivables acquired with deteriorated credit quality | Acquired loans
Acquired Loans (Details) - Acquired Loans [Line Items]
PCI	[1]	106,218	130,694
Receivables acquired with deteriorated credit quality | Covered loans
Acquired Loans (Details) - Acquired Loans [Line Items]
PCI	[1]	$ 6,138	$ 6,759

[1] Included in loans in the Consolidated Statements of Condition.

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Acquired and Covered Loans - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017	Dec. 31, 2017
Acquired Loans [Abstract]
Outstanding balance of PCI loans	$ 170,200		$ 170,200		$ 210,700
Renewed non-purchased credit impaired loans	419,800		419,800		$ 366,000
Certain Loans Acquired in Transfer Accounted for as Debt Securities Accretable Yield Movement Schedule [Line Items]
Accretion on acquired loans	2,922	$ 3,888	6,540	$ 7,843
Acquired and covered receivables
Certain Loans Acquired in Transfer Accounted for as Debt Securities Accretable Yield Movement Schedule [Line Items]
Accretion on acquired loans	$ 4,400	$ 8,800	$ 9,600	$ 20,100

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Acquired and Covered Loans - Changes in FDIC Indemnification Asset (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
FDIC Indemnification Asset [Roll Forward]
Beginning balance	$ 3,012	$ 4,220	$ 3,314	$ 4,522
Amortization	(302)	(302)	(604)	(604)
Change in expected reimbursements from the FDIC for changes in expected credit losses	29	(202)	175	(530)
Net payments (from) to the FDIC	(29)	202	(175)	530
Ending balance	$ 2,710	$ 3,918	$ 2,710	$ 3,918

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Acquired and Covered Loans - Changes in Accretable Yield (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Changes in Accretable Yield [Roll Forward]
Beginning balances		$ 36,543	$ 41,249	$ 32,957	$ 19,385
Additions		0	0	0	27,316
Accretion		(2,922)	(3,888)	(6,540)	(7,843)
Other	[1]	5,387	2,509	12,591	1,012
Ending balance		$ 39,008	$ 39,870	$ 39,008	$ 39,870

[1] Increases represent a rise in the expected future cash flows to be collected over the remaining estimated life of the underlying portfolio, while decreases result from the resolution of certain loans occurring earlier than anticipated.

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Past Due Loans, Allowance For Credit Losses, Impaired Loans, and TDRS - Aging Analysis of Past Due Loans and Non-Performing Loans by Class (Details) - USD ($) $ in Thousands		Jun. 30, 2018	Dec. 31, 2017
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	[1]	$ 10,804,291	$ 10,365,369
Total Past Due		87,274	72,443
Total Loans		10,891,565	10,437,812
Non- accrual	[2]	53,475	66,924
90 Days or More Past Due, Still Accruing Interest		7,954	3,555
Receivables acquired with deteriorated credit quality
Financing Receivable, Recorded Investment, Past Due [Line Items]
PCI	[3]	112,356	137,453
Receivables acquired with deteriorated credit quality | Non-accrual
Financing Receivable, Recorded Investment, Past Due [Line Items]
PCI		748	763
30-89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		44,160	52,570
90 Days or More Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		43,114	19,873
Commercial and industrial
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans		4,277,242	3,960,800
Commercial and industrial | Receivables acquired with deteriorated credit quality
Financing Receivable, Recorded Investment, Past Due [Line Items]
PCI		4,764	12,702
Commercial and industrial | Commercial and industrial
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	[1]	3,807,618	3,490,783
Total Past Due		36,449	39,131
Total Loans		3,844,067	3,529,914
Non- accrual	[2]	22,672	40,580
90 Days or More Past Due, Still Accruing Interest		1,544	1,830
Commercial and industrial | Agricultural
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	[1]	427,295	430,221
Total Past Due		5,880	665
Total Loans		433,175	430,886
Non- accrual	[2]	2,992	219
90 Days or More Past Due, Still Accruing Interest		1,418	177
Commercial and industrial | 30-89 Days Past Due | Commercial and industrial
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		18,230	34,620
Commercial and industrial | 30-89 Days Past Due | Agricultural
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		1,477	280
Commercial and industrial | 90 Days or More Past Due | Commercial and industrial
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		18,219	4,511
Commercial and industrial | 90 Days or More Past Due | Agricultural
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		4,403	385
Commercial real estate
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	[1]	4,477,065	4,534,968
Total Past Due		31,941	18,650
Total Loans		4,509,006	4,553,618
Non- accrual	[2]	18,054	15,767
90 Days or More Past Due, Still Accruing Interest		4,505	1,053
Commercial real estate | Receivables acquired with deteriorated credit quality
Financing Receivable, Recorded Investment, Past Due [Line Items]
PCI		87,353	102,813
Commercial real estate | Office, retail, and industrial
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	[1]	1,820,408	1,970,564
Total Past Due		14,510	9,256
Total Loans		1,834,918	1,979,820
Non- accrual	[2]	9,007	11,560
90 Days or More Past Due, Still Accruing Interest		1,402	345
Commercial real estate | Office, retail, and industrial | Receivables acquired with deteriorated credit quality
Financing Receivable, Recorded Investment, Past Due [Line Items]
PCI		11,947	14,575
Commercial real estate | Multi-family
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	[1]	696,920	672,098
Total Past Due		6,171	3,365
Total Loans		703,091	675,463
Non- accrual	[2]	3,551	377
90 Days or More Past Due, Still Accruing Interest		2,269	20
Commercial real estate | Multi-family | Receivables acquired with deteriorated credit quality
Financing Receivable, Recorded Investment, Past Due [Line Items]
PCI		13,014	14,071
Commercial real estate | Construction
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	[1]	633,043	539,043
Total Past Due		558	777
Total Loans		633,601	539,820
Non- accrual	[2]	208	209
90 Days or More Past Due, Still Accruing Interest		243	371
Commercial real estate | Construction | Receivables acquired with deteriorated credit quality
Financing Receivable, Recorded Investment, Past Due [Line Items]
PCI		4,952	8,843
Commercial real estate | Other commercial real estate
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	[1]	1,326,694	1,353,263
Total Past Due		10,702	5,252
Total Loans		1,337,396	1,358,515
Non- accrual	[2]	5,288	3,621
90 Days or More Past Due, Still Accruing Interest		591	317
Commercial real estate | Other commercial real estate | Receivables acquired with deteriorated credit quality
Financing Receivable, Recorded Investment, Past Due [Line Items]
PCI		57,440	65,324
Commercial real estate | 30-89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		15,643	9,016
Commercial real estate | 30-89 Days Past Due | Office, retail, and industrial
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		5,366	3,156
Commercial real estate | 30-89 Days Past Due | Multi-family
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		3,530	3,117
Commercial real estate | 30-89 Days Past Due | Construction
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		107	198
Commercial real estate | 30-89 Days Past Due | Other commercial real estate
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		6,640	2,545
Commercial real estate | 90 Days or More Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		16,298	9,634
Commercial real estate | 90 Days or More Past Due | Office, retail, and industrial
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		9,144	6,100
Commercial real estate | 90 Days or More Past Due | Multi-family
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		2,641	248
Commercial real estate | 90 Days or More Past Due | Construction
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		451	579
Commercial real estate | 90 Days or More Past Due | Other commercial real estate
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		4,062	2,707
Total corporate loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	[1]	8,711,978	8,455,972
Total Past Due		74,270	58,446
Total Loans		8,786,248	8,514,418
Non- accrual	[2]	43,718	56,566
90 Days or More Past Due, Still Accruing Interest		7,467	3,060
Total corporate loans | Receivables acquired with deteriorated credit quality
Financing Receivable, Recorded Investment, Past Due [Line Items]
PCI		92,117	115,515
Total corporate loans | 30-89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		35,350	43,916
Total corporate loans | 90 Days or More Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		38,920	14,530
Consumer loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	[1]	2,092,313	1,909,397
Total Past Due		13,004	13,997
Total Loans		2,105,317	1,923,394
Non- accrual	[2]	9,757	10,358
90 Days or More Past Due, Still Accruing Interest		487	495
Consumer loans | Receivables acquired with deteriorated credit quality
Financing Receivable, Recorded Investment, Past Due [Line Items]
PCI		20,239	21,938
Consumer loans | Home equity
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	[1]	842,257	820,099
Total Past Due		5,646	6,956
Total Loans		847,903	827,055
Non- accrual	[2]	5,399	5,946
90 Days or More Past Due, Still Accruing Interest		0	98
Consumer loans | 1-4 family mortgages
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	[1]	876,045	770,120
Total Past Due		4,136	4,237
Total Loans		880,181	774,357
Non- accrual	[2]	4,358	4,412
90 Days or More Past Due, Still Accruing Interest		41	0
Consumer loans | Installment
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	[1]	374,011	319,178
Total Past Due		3,222	2,804
Total Loans		377,233	321,982
Non- accrual	[2]	0	0
90 Days or More Past Due, Still Accruing Interest		446	397
Consumer loans | 30-89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		8,810	8,654
Consumer loans | 30-89 Days Past Due | Home equity
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		4,048	4,102
Consumer loans | 30-89 Days Past Due | 1-4 family mortgages
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		1,986	2,145
Consumer loans | 30-89 Days Past Due | Installment
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		2,776	2,407
Consumer loans | 90 Days or More Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		4,194	5,343
Consumer loans | 90 Days or More Past Due | Home equity
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		1,598	2,854
Consumer loans | 90 Days or More Past Due | 1-4 family mortgages
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		2,150	2,092
Consumer loans | 90 Days or More Past Due | Installment
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		$ 446	$ 397

[1] PCI loans with an accretable yield are considered current.

[2] Includes PCI loans of $748,000 and $763,000 as of June 30, 2018 and December 31, 2017, respectively, which no longer have an accretable yield as estimates of expected future cash flows have decreased since the acquisition due to credit deterioration.

[3] Included in loans in the Consolidated Statements of Condition.

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Past Due Loans, Allowance For Credit Losses, Impaired Loans, and TDRS - Allowance for Credit Losses (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Allowance for Credit Losses by Portfolio Segment [Roll Forward]
Beginning balance	$ 95,854	$ 89,163	$ 96,729	$ 87,083
Charge-offs	(11,309)	(4,859)	(28,394)	(11,137)
Recoveries	1,532	828	2,561	4,268
Net charge-offs	(9,777)	(4,031)	(25,833)	(6,869)
Provision for loan losses and other	11,614	8,239	26,795	13,157
Ending balance	97,691	93,371	97,691	93,371
Reserve for Unfunded Commitments
Allowance for Credit Losses by Portfolio Segment [Roll Forward]
Beginning balance	1,000	1,000	1,000	1,000
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Net charge-offs	0	0	0	0
Provision for loan losses and other	0	0	0	0
Ending balance	1,000	1,000	1,000	1,000
Commercial, Industrial, and Agricultural
Allowance for Credit Losses by Portfolio Segment [Roll Forward]
Beginning balance	57,200	41,786	55,791	40,709
Charge-offs	(8,662)	(2,957)	(23,332)	(7,031)
Recoveries	753	400	1,291	2,066
Net charge-offs	(7,909)	(2,557)	(22,041)	(4,965)
Provision for loan losses and other	10,752	7,042	26,293	10,527
Ending balance	60,043	46,271	60,043	46,271
Commercial Real Estate
Allowance for Credit Losses by Portfolio Segment [Roll Forward]
Beginning balance			23,392
Ending balance	17,992		17,992
Commercial Real Estate | Office, Retail, and Industrial
Allowance for Credit Losses by Portfolio Segment [Roll Forward]
Beginning balance	10,607	17,701	10,996	17,595
Charge-offs	(305)	0	(766)	(127)
Recoveries	26	8	123	983
Net charge-offs	(279)	8	(643)	856
Provision for loan losses and other	(1,266)	(2,701)	(1,291)	(3,443)
Ending balance	9,062	15,008	9,062	15,008
Commercial Real Estate | Multi-family
Allowance for Credit Losses by Portfolio Segment [Roll Forward]
Beginning balance	2,592	2,860	2,534	3,261
Charge-offs	(4)	0	(4)	0
Recoveries	0	6	0	34
Net charge-offs	(4)	6	(4)	34
Provision for loan losses and other	(413)	53	(355)	(376)
Ending balance	2,175	2,919	2,175	2,919
Commercial Real Estate | Construction
Allowance for Credit Losses by Portfolio Segment [Roll Forward]
Beginning balance	1,972	4,110	3,481	3,444
Charge-offs	0	(39)	0	(44)
Recoveries	8	12	21	239
Net charge-offs	8	(27)	21	195
Provision for loan losses and other	144	11	(1,378)	455
Ending balance	2,124	4,094	2,124	4,094
Commercial Real Estate | Other Commercial Real Estate
Allowance for Credit Losses by Portfolio Segment [Roll Forward]
Beginning balance	5,291	6,922	6,381	7,739
Charge-offs	(1)	(307)	(70)	(715)
Recoveries	359	79	398	180
Net charge-offs	358	(228)	328	(535)
Provision for loan losses and other	(1,018)	785	(2,078)	275
Ending balance	4,631	7,479	4,631	7,479
Consumer
Allowance for Credit Losses by Portfolio Segment [Roll Forward]
Beginning balance			16,546
Ending balance	18,656		18,656
Consumer | Consumer
Allowance for Credit Losses by Portfolio Segment [Roll Forward]
Beginning balance	17,192	14,784	16,546	13,335
Charge-offs	(2,337)	(1,556)	(4,222)	(3,220)
Recoveries	386	323	728	766
Net charge-offs	(1,951)	(1,233)	(3,494)	(2,454)
Provision for loan losses and other	3,415	3,049	5,604	5,719
Ending balance	$ 18,656	$ 16,600	$ 18,656	$ 16,600

XML

Past Due Loans, Allowance For Credit Losses, Impaired Loans, and TDRS - Loans and Related Allowance for Credit Losses by Portfolio Segment (Details) - USD ($) $ in Thousands		Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans Individually Evaluated for Impairment		$ 38,346		$ 51,617
Loans Collectively Evaluated for Impairment		10,740,863		10,248,742
Loans		10,891,565		10,437,812
Allowance for Credit Losses Individually Evaluated for Impairment		3,676		10,074
Allowance for Credit Losses Collectively Evaluated for Impairment		89,305		82,341
Total Allowance for Credit Losses		97,691	$ 95,854	96,729	$ 93,371	$ 89,163	$ 87,083
PCI
Financing Receivable, Allowance for Credit Losses [Line Items]
PCI	[1]	112,356		137,453
Total Allowance for Credit Losses		4,710		4,314
Commercial and industrial
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans Individually Evaluated for Impairment		23,598		38,718
Loans Collectively Evaluated for Impairment		4,248,880		3,909,380
Loans		4,277,242		3,960,800
Allowance for Credit Losses Individually Evaluated for Impairment		2,884		10,074
Allowance for Credit Losses Collectively Evaluated for Impairment		56,725		45,293
Total Allowance for Credit Losses		60,043	57,200	55,791	46,271	41,786	40,709
Commercial and industrial | PCI
Financing Receivable, Allowance for Credit Losses [Line Items]
PCI		4,764		12,702
Total Allowance for Credit Losses		434		424
Commercial real estate
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans Individually Evaluated for Impairment		14,748		12,899
Loans Collectively Evaluated for Impairment		4,406,905		4,437,906
Loans		4,509,006		4,553,618
Allowance for Credit Losses Individually Evaluated for Impairment		792		0
Allowance for Credit Losses Collectively Evaluated for Impairment		14,413		20,515
Total Allowance for Credit Losses		17,992		23,392
Commercial real estate | PCI
Financing Receivable, Allowance for Credit Losses [Line Items]
PCI		87,353		102,813
Total Allowance for Credit Losses		2,787		2,877
Total corporate loans
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans Individually Evaluated for Impairment		38,346		51,617
Loans Collectively Evaluated for Impairment		8,655,785		8,347,286
Loans		8,786,248		8,514,418
Allowance for Credit Losses Individually Evaluated for Impairment		3,676		10,074
Allowance for Credit Losses Collectively Evaluated for Impairment		71,138		65,808
Total Allowance for Credit Losses		78,035		79,183
Total corporate loans | PCI
Financing Receivable, Allowance for Credit Losses [Line Items]
PCI		92,117		115,515
Total Allowance for Credit Losses		3,221		3,301
Consumer loans
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans Individually Evaluated for Impairment		0		0
Loans Collectively Evaluated for Impairment		2,085,078		1,901,456
Loans		2,105,317		1,923,394
Allowance for Credit Losses Individually Evaluated for Impairment		0		0
Allowance for Credit Losses Collectively Evaluated for Impairment		17,167		15,533
Total Allowance for Credit Losses		18,656		16,546
Consumer loans | PCI
Financing Receivable, Allowance for Credit Losses [Line Items]
PCI		20,239		21,938
Total Allowance for Credit Losses		1,489		1,013
Office, retail, and industrial | Commercial real estate
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans Individually Evaluated for Impairment		7,642		10,810
Loans Collectively Evaluated for Impairment		1,815,329		1,954,435
Loans		1,834,918		1,979,820
Allowance for Credit Losses Individually Evaluated for Impairment		792		0
Allowance for Credit Losses Collectively Evaluated for Impairment		6,624		9,333
Total Allowance for Credit Losses		9,062	10,607	10,996	15,008	17,701	17,595
Office, retail, and industrial | Commercial real estate | PCI
Financing Receivable, Allowance for Credit Losses [Line Items]
PCI		11,947		14,575
Total Allowance for Credit Losses		1,646		1,663
Multi-family | Commercial real estate
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans Individually Evaluated for Impairment		3,941		621
Loans Collectively Evaluated for Impairment		686,136		660,771
Loans		703,091		675,463
Allowance for Credit Losses Individually Evaluated for Impairment		0		0
Allowance for Credit Losses Collectively Evaluated for Impairment		1,998		2,436
Total Allowance for Credit Losses		2,175	2,592	2,534	2,919	2,860	3,261
Multi-family | Commercial real estate | PCI
Financing Receivable, Allowance for Credit Losses [Line Items]
PCI		13,014		14,071
Total Allowance for Credit Losses		177		98
Construction | Commercial real estate
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans Individually Evaluated for Impairment		0		0
Loans Collectively Evaluated for Impairment		628,649		530,977
Loans		633,601		539,820
Allowance for Credit Losses Individually Evaluated for Impairment		0		0
Allowance for Credit Losses Collectively Evaluated for Impairment		1,968		3,331
Total Allowance for Credit Losses		2,124	1,972	3,481	4,094	4,110	3,444
Construction | Commercial real estate | PCI
Financing Receivable, Allowance for Credit Losses [Line Items]
PCI		4,952		8,843
Total Allowance for Credit Losses		156		150
Other commercial real estate | Commercial real estate
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans Individually Evaluated for Impairment		3,165		1,468
Loans Collectively Evaluated for Impairment		1,276,791		1,291,723
Loans		1,337,396		1,358,515
Allowance for Credit Losses Individually Evaluated for Impairment		0		0
Allowance for Credit Losses Collectively Evaluated for Impairment		3,823		5,415
Total Allowance for Credit Losses		4,631	5,291	6,381	7,479	6,922	7,739
Other commercial real estate | Commercial real estate | PCI
Financing Receivable, Allowance for Credit Losses [Line Items]
PCI		57,440		65,324
Total Allowance for Credit Losses		808		966
Reserve for unfunded commitments
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans Individually Evaluated for Impairment		0		0
Loans Collectively Evaluated for Impairment		0		0
Loans		0		0
Allowance for Credit Losses Individually Evaluated for Impairment		0		0
Allowance for Credit Losses Collectively Evaluated for Impairment		1,000		1,000
Total Allowance for Credit Losses		1,000	$ 1,000	1,000	$ 1,000	$ 1,000	$ 1,000
Reserve for unfunded commitments | PCI
Financing Receivable, Allowance for Credit Losses [Line Items]
PCI		0		0
Total Allowance for Credit Losses		$ 0		$ 0

[1] Included in loans in the Consolidated Statements of Condition.

XML

Past Due Loans, Allowance For Credit Losses, Impaired Loans, and TDRS - Impaired Loans Individually Evaluated by Class (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Financing Receivable, Impaired [Line Items]
Recorded Investment in Loans with No Specific Reserve	$ 16,186	$ 13,477
Recorded Investment in Loans with a Specific Reserve	22,160	38,140
Unpaid Principal Balance	59,970	69,625
Specific Reserve	3,676	10,074
Commercial and industrial | Commercial and industrial
Financing Receivable, Impaired [Line Items]
Recorded Investment in Loans with No Specific Reserve	5,777	4,234
Recorded Investment in Loans with a Specific Reserve	14,919	34,484
Unpaid Principal Balance	40,033	53,192
Specific Reserve	2,683	10,074
Commercial and industrial | Agricultural
Financing Receivable, Impaired [Line Items]
Recorded Investment in Loans with No Specific Reserve	0	0
Recorded Investment in Loans with a Specific Reserve	2,902	0
Unpaid Principal Balance	4,672	0
Specific Reserve	201	0
Commercial real estate
Financing Receivable, Impaired [Line Items]
Recorded Investment in Loans with No Specific Reserve	10,409	9,243
Recorded Investment in Loans with a Specific Reserve	4,339	3,656
Unpaid Principal Balance	15,265	16,433
Specific Reserve	792	0
Commercial real estate | Office, retail, and industrial
Financing Receivable, Impaired [Line Items]
Recorded Investment in Loans with No Specific Reserve	3,303	7,154
Recorded Investment in Loans with a Specific Reserve	4,339	3,656
Unpaid Principal Balance	8,125	14,246
Specific Reserve	792	0
Commercial real estate | Multi-family
Financing Receivable, Impaired [Line Items]
Recorded Investment in Loans with No Specific Reserve	3,941	621
Recorded Investment in Loans with a Specific Reserve	0	0
Unpaid Principal Balance	3,941	621
Specific Reserve	0	0
Commercial real estate | Construction
Financing Receivable, Impaired [Line Items]
Recorded Investment in Loans with No Specific Reserve	0	0
Recorded Investment in Loans with a Specific Reserve	0	0
Unpaid Principal Balance	0	0
Specific Reserve	0	0
Commercial real estate | Other commercial real estate
Financing Receivable, Impaired [Line Items]
Recorded Investment in Loans with No Specific Reserve	3,165	1,468
Recorded Investment in Loans with a Specific Reserve	0	0
Unpaid Principal Balance	3,199	1,566
Specific Reserve	$ 0	$ 0

XML

Past Due Loans, Allowance For Credit Losses, Impaired Loans, and TDRS - Impaired Loans Individually Evaluated by Class (Continued) (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Financing Receivable, Impaired [Line Items]
Average Recorded Investment		$ 49,542	$ 50,687	$ 50,232	$ 48,006
Interest Income Recognized	[1]	804	519	997	1,002
Commercial and industrial | Commercial and industrial
Financing Receivable, Impaired [Line Items]
Average Recorded Investment		31,787	33,648	34,097	30,647
Interest Income Recognized	[1]	14	342	36	556
Commercial and industrial | Agricultural
Financing Receivable, Impaired [Line Items]
Average Recorded Investment		3,386	697	2,257	464
Interest Income Recognized	[1]	25	0	25	0
Commercial real estate
Financing Receivable, Impaired [Line Items]
Average Recorded Investment		14,369	16,342	13,878	16,895
Interest Income Recognized	[1]	765	177	936	446
Commercial real estate | Office, retail, and industrial
Financing Receivable, Impaired [Line Items]
Average Recorded Investment		9,509	13,612	9,942	14,503
Interest Income Recognized	[1]	656	169	768	262
Commercial real estate | Multi-family
Financing Receivable, Impaired [Line Items]
Average Recorded Investment		2,166	396	1,651	397
Interest Income Recognized	[1]	48	0	55	28
Commercial real estate | Construction
Financing Receivable, Impaired [Line Items]
Average Recorded Investment		0	0	0	11
Interest Income Recognized	[1]	0	0	0	136
Commercial real estate | Other commercial real estate
Financing Receivable, Impaired [Line Items]
Average Recorded Investment		2,694	2,334	2,285	1,984
Interest Income Recognized	[1]	$ 61	$ 8	$ 113	$ 20

[1] Recorded using the cash basis of accounting.

XML

Past Due Loans, Allowance For Credit Losses, Impaired Loans, and TDRS - Credit Quality Indicators by Class (Details) - USD ($) $ in Thousands		Jun. 30, 2018	Dec. 31, 2017
Financing Receivable, Recorded Investment [Line Items]
Accruing		$ 1,760	$ 1,796
Special Mention and Substandard Loans
Financing Receivable, Recorded Investment [Line Items]
Accruing		645	657
Total corporate loans
Financing Receivable, Recorded Investment [Line Items]
Credit Quality Indicators by Class		8,786,248	8,514,418
Total corporate loans | Pass
Financing Receivable, Recorded Investment [Line Items]
Credit Quality Indicators by Class		8,410,654	8,197,560
Total corporate loans | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Credit Quality Indicators by Class	[1],[2]	216,469	154,601
Total corporate loans | Substandard
Financing Receivable, Recorded Investment [Line Items]
Credit Quality Indicators by Class	[2],[3]	115,407	105,691
Total corporate loans | Non-accrual
Financing Receivable, Recorded Investment [Line Items]
Credit Quality Indicators by Class	[4]	43,718	56,566
Commercial and industrial | Commercial and industrial
Financing Receivable, Recorded Investment [Line Items]
Credit Quality Indicators by Class		3,844,067	3,529,914
Accruing		255	264
Commercial and industrial | Commercial and industrial | Pass
Financing Receivable, Recorded Investment [Line Items]
Credit Quality Indicators by Class		3,648,626	3,388,133
Commercial and industrial | Commercial and industrial | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Credit Quality Indicators by Class	[1],[2]	122,881	70,863
Commercial and industrial | Commercial and industrial | Substandard
Financing Receivable, Recorded Investment [Line Items]
Credit Quality Indicators by Class	[2],[3]	49,888	30,338
Commercial and industrial | Commercial and industrial | Non-accrual
Financing Receivable, Recorded Investment [Line Items]
Credit Quality Indicators by Class	[4]	22,672	40,580
Commercial and industrial | Agricultural
Financing Receivable, Recorded Investment [Line Items]
Credit Quality Indicators by Class		433,175	430,886
Accruing		0	0
Commercial and industrial | Agricultural | Pass
Financing Receivable, Recorded Investment [Line Items]
Credit Quality Indicators by Class		415,043	413,946
Commercial and industrial | Agricultural | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Credit Quality Indicators by Class	[1],[2]	8,474	10,989
Commercial and industrial | Agricultural | Substandard
Financing Receivable, Recorded Investment [Line Items]
Credit Quality Indicators by Class	[2],[3]	6,666	5,732
Commercial and industrial | Agricultural | Non-accrual
Financing Receivable, Recorded Investment [Line Items]
Credit Quality Indicators by Class	[4]	2,992	219
Commercial real estate
Financing Receivable, Recorded Investment [Line Items]
Credit Quality Indicators by Class		4,509,006	4,553,618
Accruing		753	766
Commercial real estate | Pass
Financing Receivable, Recorded Investment [Line Items]
Credit Quality Indicators by Class		4,346,985	4,395,481
Commercial real estate | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Credit Quality Indicators by Class	[1],[2]	85,114	72,749
Commercial real estate | Substandard
Financing Receivable, Recorded Investment [Line Items]
Credit Quality Indicators by Class	[2],[3]	58,853	69,621
Commercial real estate | Non-accrual
Financing Receivable, Recorded Investment [Line Items]
Credit Quality Indicators by Class	[4]	18,054	15,767
Commercial real estate | Office, retail, and industrial
Financing Receivable, Recorded Investment [Line Items]
Credit Quality Indicators by Class		1,834,918	1,979,820
Accruing		0	0
Commercial real estate | Office, retail, and industrial | Pass
Financing Receivable, Recorded Investment [Line Items]
Credit Quality Indicators by Class		1,770,908	1,903,737
Commercial real estate | Office, retail, and industrial | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Credit Quality Indicators by Class	[1],[2]	23,602	25,546
Commercial real estate | Office, retail, and industrial | Substandard
Financing Receivable, Recorded Investment [Line Items]
Credit Quality Indicators by Class	[2],[3]	31,401	38,977
Commercial real estate | Office, retail, and industrial | Non-accrual
Financing Receivable, Recorded Investment [Line Items]
Credit Quality Indicators by Class	[4]	9,007	11,560
Commercial real estate | Multi-family
Financing Receivable, Recorded Investment [Line Items]
Credit Quality Indicators by Class		703,091	675,463
Accruing		566	574
Commercial real estate | Multi-family | Pass
Financing Receivable, Recorded Investment [Line Items]
Credit Quality Indicators by Class		687,065	665,496
Commercial real estate | Multi-family | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Credit Quality Indicators by Class	[1],[2]	10,460	7,395
Commercial real estate | Multi-family | Substandard
Financing Receivable, Recorded Investment [Line Items]
Credit Quality Indicators by Class	[2],[3]	2,015	2,195
Commercial real estate | Multi-family | Non-accrual
Financing Receivable, Recorded Investment [Line Items]
Credit Quality Indicators by Class	[4]	3,551	377
Commercial real estate | Construction
Financing Receivable, Recorded Investment [Line Items]
Credit Quality Indicators by Class		633,601	539,820
Accruing		0	0
Commercial real estate | Construction | Pass
Financing Receivable, Recorded Investment [Line Items]
Credit Quality Indicators by Class		607,142	521,911
Commercial real estate | Construction | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Credit Quality Indicators by Class	[1],[2]	18,915	10,184
Commercial real estate | Construction | Substandard
Financing Receivable, Recorded Investment [Line Items]
Credit Quality Indicators by Class	[2],[3]	7,336	7,516
Commercial real estate | Construction | Non-accrual
Financing Receivable, Recorded Investment [Line Items]
Credit Quality Indicators by Class	[4]	208	209
Commercial real estate | Other commercial real estate
Financing Receivable, Recorded Investment [Line Items]
Credit Quality Indicators by Class		1,337,396	1,358,515
Accruing		187	192
Commercial real estate | Other commercial real estate | Pass
Financing Receivable, Recorded Investment [Line Items]
Credit Quality Indicators by Class		1,281,870	1,304,337
Commercial real estate | Other commercial real estate | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Credit Quality Indicators by Class	[1],[2]	32,137	29,624
Commercial real estate | Other commercial real estate | Substandard
Financing Receivable, Recorded Investment [Line Items]
Credit Quality Indicators by Class	[2],[3]	18,101	20,933
Commercial real estate | Other commercial real estate | Non-accrual
Financing Receivable, Recorded Investment [Line Items]
Credit Quality Indicators by Class	[4]	$ 5,288	$ 3,621

[1] Loans categorized as special mention exhibit potential weaknesses that require the close attention of management since these potential weaknesses may result in the deterioration of repayment prospects in the future.

[2] Total special mention and substandard loans includes accruing TDRs of $645,000 as of June 30, 2018 and $657,000 as of December 31, 2017.

[3] Loans categorized as substandard exhibit well-defined weaknesses that may jeopardize the liquidation of the debt. These loans continue to accrue interest because they are well-secured and collection of principal and interest is expected within a reasonable time.

[4] Loans categorized as non-accrual exhibit well-defined weaknesses that may jeopardize the liquidation of the debt or result in a loss if the deficiencies are not corrected.

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Past Due Loans, Allowance For Credit Losses, Impaired Loans, and TDRS - Credit Quality Indicators by Class (Continued) (Details) - Consumer loans - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Past Due Loans, Allowance For Credit Losses, and Impaired Loans (Details) - Credit Quality Indicators by Class, Excluding Covered Loans (Continued) [Line Items]
Credit Quality Indicators by Class	$ 2,105,317	$ 1,923,394
Performing
Past Due Loans, Allowance For Credit Losses, and Impaired Loans (Details) - Credit Quality Indicators by Class, Excluding Covered Loans (Continued) [Line Items]
Credit Quality Indicators by Class	2,095,560	1,913,036
Non-accrual
Past Due Loans, Allowance For Credit Losses, and Impaired Loans (Details) - Credit Quality Indicators by Class, Excluding Covered Loans (Continued) [Line Items]
Credit Quality Indicators by Class	9,757	10,358
Home equity
Past Due Loans, Allowance For Credit Losses, and Impaired Loans (Details) - Credit Quality Indicators by Class, Excluding Covered Loans (Continued) [Line Items]
Credit Quality Indicators by Class	847,903	827,055
Home equity | Performing
Past Due Loans, Allowance For Credit Losses, and Impaired Loans (Details) - Credit Quality Indicators by Class, Excluding Covered Loans (Continued) [Line Items]
Credit Quality Indicators by Class	842,504	821,109
Home equity | Non-accrual
Past Due Loans, Allowance For Credit Losses, and Impaired Loans (Details) - Credit Quality Indicators by Class, Excluding Covered Loans (Continued) [Line Items]
Credit Quality Indicators by Class	5,399	5,946
1-4 family mortgages
Past Due Loans, Allowance For Credit Losses, and Impaired Loans (Details) - Credit Quality Indicators by Class, Excluding Covered Loans (Continued) [Line Items]
Credit Quality Indicators by Class	880,181	774,357
1-4 family mortgages | Performing
Past Due Loans, Allowance For Credit Losses, and Impaired Loans (Details) - Credit Quality Indicators by Class, Excluding Covered Loans (Continued) [Line Items]
Credit Quality Indicators by Class	875,823	769,945
1-4 family mortgages | Non-accrual
Past Due Loans, Allowance For Credit Losses, and Impaired Loans (Details) - Credit Quality Indicators by Class, Excluding Covered Loans (Continued) [Line Items]
Credit Quality Indicators by Class	4,358	4,412
Installment
Past Due Loans, Allowance For Credit Losses, and Impaired Loans (Details) - Credit Quality Indicators by Class, Excluding Covered Loans (Continued) [Line Items]
Credit Quality Indicators by Class	377,233	321,982
Installment | Performing
Past Due Loans, Allowance For Credit Losses, and Impaired Loans (Details) - Credit Quality Indicators by Class, Excluding Covered Loans (Continued) [Line Items]
Credit Quality Indicators by Class	377,233	321,982
Installment | Non-accrual
Past Due Loans, Allowance For Credit Losses, and Impaired Loans (Details) - Credit Quality Indicators by Class, Excluding Covered Loans (Continued) [Line Items]
Credit Quality Indicators by Class	$ 0	$ 0

XML

Past Due Loans, Allowance For Credit Losses, Impaired Loans, and TDRS - TDRs By Class (Details) - USD ($) $ in Thousands		Jun. 30, 2018	Dec. 31, 2017	Jun. 30, 2017
Past Due Loans, Allowance For Credit Losses, and Impaired Loans (Details) - TDRs By Class [Line Items]
Accruing		$ 1,760	$ 1,796
Non-accrual	[1]	8,238	24,533
Total		9,998	26,329	$ 5,065
Specific reserves related to TDRs		625	2,000
Commercial and industrial | Commercial and industrial
Past Due Loans, Allowance For Credit Losses, and Impaired Loans (Details) - TDRs By Class [Line Items]
Accruing		255	264
Non-accrual	[1]	6,845	18,959
Total		7,100	19,223
Commercial and industrial | Agricultural
Past Due Loans, Allowance For Credit Losses, and Impaired Loans (Details) - TDRs By Class [Line Items]
Accruing		0	0
Non-accrual	[1]	0	0
Total		0	0
Commercial real estate
Past Due Loans, Allowance For Credit Losses, and Impaired Loans (Details) - TDRs By Class [Line Items]
Accruing		753	766
Non-accrual	[1]	501	4,385
Total		1,254	5,151
Commercial real estate | Office, retail, and industrial
Past Due Loans, Allowance For Credit Losses, and Impaired Loans (Details) - TDRs By Class [Line Items]
Accruing		0	0
Non-accrual	[1]	501	4,236
Total		501	4,236
Commercial real estate | Multi-family
Past Due Loans, Allowance For Credit Losses, and Impaired Loans (Details) - TDRs By Class [Line Items]
Accruing		566	574
Non-accrual	[1]	0	149
Total		566	723
Commercial real estate | Construction
Past Due Loans, Allowance For Credit Losses, and Impaired Loans (Details) - TDRs By Class [Line Items]
Accruing		0	0
Non-accrual	[1]	0	0
Total		0	0
Commercial real estate | Other commercial real estate
Past Due Loans, Allowance For Credit Losses, and Impaired Loans (Details) - TDRs By Class [Line Items]
Accruing		187	192
Non-accrual	[1]	0	0
Total		187	192
Total corporate loans
Past Due Loans, Allowance For Credit Losses, and Impaired Loans (Details) - TDRs By Class [Line Items]
Accruing		1,008	1,030
Non-accrual	[1]	7,346	23,344
Total		8,354	24,374
Consumer loans
Past Due Loans, Allowance For Credit Losses, and Impaired Loans (Details) - TDRs By Class [Line Items]
Accruing		752	766
Non-accrual	[1]	892	1,189
Total		1,644	1,955
Consumer loans | Home equity
Past Due Loans, Allowance For Credit Losses, and Impaired Loans (Details) - TDRs By Class [Line Items]
Accruing		84	86
Non-accrual	[1]	470	738
Total		554	824
Consumer loans | 1-4 family mortgages
Past Due Loans, Allowance For Credit Losses, and Impaired Loans (Details) - TDRs By Class [Line Items]
Accruing		668	680
Non-accrual	[1]	422	451
Total		1,090	1,131
Consumer loans | Installment
Past Due Loans, Allowance For Credit Losses, and Impaired Loans (Details) - TDRs By Class [Line Items]
Accruing		0	0
Non-accrual	[1]	0	0
Total		$ 0	$ 0

[1] These TDRs are included in non-accrual loans in the preceding tables.

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Past Due Loans, Allowance For Credit Losses, Impaired Loans, and TDRS - TDR Rollforward (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017	Dec. 31, 2017
Troubled Debt Restructuring Activity Rollforward [Roll Forward]
Beginning balance			$ 26,329
Ending balance	$ 9,998	$ 5,065	9,998	$ 5,065
Material commitments to lend additional funds to borrowers with TDRs	0		0		$ 0
Accruing
Troubled Debt Restructuring Activity Rollforward [Roll Forward]
Beginning balance	1,778	2,112	1,796	2,291
Additions	0	0	0	922
Net payments	(18)	(83)	(36)	(107)
Net transfers from (to) non-accrual	0	0	0	(1,077)
Ending balance	1,760	2,029	1,760	2,029
Non-accrual
Troubled Debt Restructuring Activity Rollforward [Roll Forward]
Beginning balance	20,466	3,112	24,533	6,297
Additions	0	0	355	0
Net payments	(9,865)	(75)	(12,978)	(4,225)
Charge-offs	(2,363)	(1)	(3,672)	(113)
Net transfers from accruing	0	0	0	1,077
Ending balance	$ 8,238	$ 3,036	$ 8,238	$ 3,036

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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, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Earnings Per Share [Abstract]
Net income		$ 29,600	$ 34,950	$ 63,110	$ 57,805
Net income applicable to non-vested restricted shares		(240)	(336)	(551)	(570)
Net income applicable to common shares		$ 29,360	$ 34,614	$ 62,559	$ 57,235
Weighted-average common shares outstanding:
Weighted-average common shares outstanding (basic) (in Shares)		102,159	101,743	102,041	101,081
Dilutive effect of common stock equivalents (in Shares)		0	20	8	20
Weighted-average diluted common shares outstanding (in Shares)		102,159	101,763	102,049	101,101
Basic EPS (in dollars per share)		$ 0.29	$ 0.34	$ 0.61	$ 0.57
Diluted EPS (in dollars per share)		$ 0.29	$ 0.34	$ 0.61	$ 0.57
Anti-dilutive shares not included in the computation of diluted EPS (in Shares)	[1]	0	195	54	269

[1] This amount represents outstanding stock options for which the exercise price is greater than the average market price of the Company's common stock. The final outstanding stock options were exercised during the first quarter of 2018.

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Derivative Instruments and Hedging Activities - Fair Value Hedges (Details) - Fair Value Hedging - USD ($) $ in Thousands		6 Months Ended	12 Months Ended
		Jun. 30, 2018	Dec. 31, 2017
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Gross notional amount outstanding		$ 5,208	$ 5,458
Derivative liability fair value in other liabilities		$ (33)	$ (101)
Weighted-average interest rate received		4.00%	3.38%
Weighted-average interest rate paid		5.96%	5.96%
Weighted-average maturity (in years)		4 months 7 days	10 months 2 days
Fair value of derivative	[1]	$ 40	$ 110

[1] This amount represents the fair value if credit risk related contingent features were triggered.

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Derivative Instruments and Hedging Activities - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017	May 31, 2018	Dec. 31, 2017
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Amount of variable rate loans hedged using interest rate swaps	$ 1,100,000		$ 1,100,000
Amount hedged of borrowed funds using forward starting interest rate swaps	1,000,000		1,000,000		$ 710,000
Amount to be hedged of borrowed funds using forward starting interest rate swaps	$ 320,000		$ 320,000
Weighted-average interest rate to be paid	2.49%		2.49%
Interest rate cash flow hedge loss to be reclassified during next 12 months, net	$ 2,000		$ 2,000
Capital market products income	$ 2,819	$ 2,217	$ 4,377	$ 3,593
Portion of fair value of outstanding interest rate swaps covered by collateral agreements (percent)	100.00%		100.00%			100.00%

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Derivative Instruments and Hedging Activities - Cash Flow Hedges (Details) - Cash Flow Hedging - USD ($) $ in Thousands		6 Months Ended		12 Months Ended
		Jun. 30, 2018		Dec. 31, 2017
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Gross notional amount outstanding		$ 2,170,000		$ 1,960,000
Derivative asset fair value in other assets		8,389	[1]	3,989	[2]
Derivative liability fair value in other liabilities	[1]	$ (18,876)		$ (10,219)
Weighted-average interest rate received		2.01%		1.58%
Weighted-average interest rate paid		1.97%		1.61%
Weighted-average maturity (in years)		2 years 2 days		2 years 2 months 29 days

[1] Certain cash flow hedges are transacted through a clearinghouse ("centrally cleared") and their change in fair value is settled by the counterparties to the transaction, which results in no fair value.

[2] This amount represents the fair value if credit risk related contingent features were triggered.

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Derivative Instruments and Hedging Activities - Other Derivative Instruments (Details) - Other Derivative Instruments - USD ($) $ in Thousands		Jun. 30, 2018	Dec. 31, 2017
Derivative [Line Items]
Gross notional amount outstanding		$ 3,060,888	$ 2,665,358
Derivative asset fair value in other assets	[1]	26,691	17,079
Derivative liability fair value in other liabilities	[1]	(29,131)	(14,930)
Fair value of derivative	[2]	$ 29,141	$ 15,059

[1] Certain other derivative instruments are centrally cleared and their change in fair value is settled by the counterparties to the transaction, which results in no fair value.

[2] This amount represents the fair value if credit risk related contingent features were triggered.

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Derivative Instruments and Hedging Activities - Cash Flow Hedge Accounting on AOCI (Details) - Cash Flow Hedging - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Interest Income
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Gains (losses) recognized in other comprehensive income	$ 3,577	$ 3,541	$ 10,573	$ 5,352
Reclassification of gains (losses) included in net income	376	1,531	647	3,387
Interest Expense
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Gains (losses) recognized in other comprehensive income	(2,860)	(3,089)	(10,043)	(3,391)
Reclassification of gains (losses) included in net income	$ (503)	$ (1,078)	$ (1,109)	$ (2,223)

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Derivative Instruments and Hedging Activities - Effect Of Derivatives On Interest Income (Details) - Designated as Hedging Instrument - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Gain (loss) on derivative, net	$ (145)	$ 397	$ (521)	$ 1,074
Cash Flow Hedging
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Gain (loss) on derivative, net	(127)	453	(462)	1,164
Interest Income | Fair Value Hedging
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Gain (loss) on derivative, net	(18)	(56)	(59)	(90)
Interest Income | Cash Flow Hedging
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Gain (loss) on derivative, net	376	1,531	647	3,387
Interest Expense | Cash Flow Hedging
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Gain (loss) on derivative, net	$ (503)	$ (1,078)	$ (1,109)	$ (2,223)

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Derivative Instruments and Hedging Activities - Offsetting Derivatives (Details) - USD ($) $ in Thousands		Jun. 30, 2018	Dec. 31, 2017
Assets
Gross amounts recognized		$ 35,080	$ 21,068
Less: amounts offset in the Consolidated Statements of Financial Condition		0	0
Net amount presented in the Consolidated Statements of Financial Condition	[1]	35,080	21,068
Offsetting derivative positions		(14,704)	(16,880)
Cash collateral pledged		(17,360)	0
Net credit exposure		3,016	4,188
Liabilities
Gross amounts recognized		48,040	25,250
Less: amounts offset in the Consolidated Statements of Financial Condition		0	0
Net amount presented in the Consolidated Statements of Financial Condition	[1]	48,040	25,250
Offsetting derivative positions		(14,704)	(16,880)
Cash collateral pledged		(4,480)	(8,370)
Net credit exposure		$ 28,856	$ 0

[1] Included in other assets or other liabilities in the Consolidated Statements of Financial Condition.

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Commitments, Guarantees, and Contingent Liabilities (Details) - USD ($) $ in Thousands		Jun. 30, 2018	Dec. 31, 2017
Other Commitments [Line Items]
Letters of credit		$ 119,941	$ 128,801
Commitments to extend credit
Other Commitments [Line Items]
Commercial, industrial, and agricultural		1,656,372	1,729,426
Commercial real estate		349,861	377,551
Home equity		546,600	514,973
Other commitments	[1]	244,752	244,222
Total commitments to extend credit		$ 2,797,585	$ 2,866,172

[1] Other commitments includes installment and overdraft protection program commitments.

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Fair Value - Recurring Fair Value Measurements (Details) - USD ($) $ in Thousands		Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016
Trading securities:
Total trading securities		$ 0		$ 20,447
Equity securities		28,441		0
Securities Available-for-Sale
Securities available-for-sale, fair value		2,142,865
Securities available-for-sale, at fair value		2,142,865		1,884,209
Mortgage servicing rights (MSRs)		6,671	$ 6,468	5,894	$ 5,925	$ 6,245	$ 6,120
U.S. treasury securities
Securities Available-for-Sale
Securities available-for-sale, fair value		49,158
Securities available-for-sale, at fair value				46,345
U.S. agency securities
Securities Available-for-Sale
Securities available-for-sale, fair value		148,284
Securities available-for-sale, at fair value				156,847
MBSs
Securities Available-for-Sale
Securities available-for-sale, fair value		437,636
Securities available-for-sale, at fair value				369,543
Municipal securities
Securities Available-for-Sale
Securities available-for-sale, fair value		218,345
Securities available-for-sale, at fair value				208,991
Corporate debt securities
Securities Available-for-Sale
Securities available-for-sale, fair value		57,012
Securities available-for-sale, at fair value				0
Equity securities
Securities Available-for-Sale
Securities available-for-sale, at fair value	[1]			7,297
Recurring | Level 1
Trading securities:
Money market funds		0		1,685
Mutual funds		0		18,762
Total trading securities	[2]	0		20,447
Equity securities	[2]	21,333		0
Securities Available-for-Sale
Securities available-for-sale, fair value	[2]	49,158
Securities available-for-sale, at fair value	[2]			46,345
Mortgage servicing rights (MSRs)	[3]	0		0
Derivative assets	[3]	0		0
Liabilities
Derivative liabilities	[4]	0		0
Recurring | Level 1 | U.S. treasury securities
Securities Available-for-Sale
Securities available-for-sale, fair value	[2]	49,158
Securities available-for-sale, at fair value	[2]			46,345
Recurring | Level 1 | U.S. agency securities
Securities Available-for-Sale
Securities available-for-sale, fair value	[2]	0
Securities available-for-sale, at fair value	[2]			0
Recurring | Level 1 | CMOs
Securities Available-for-Sale
Securities available-for-sale, fair value	[2]	0
Securities available-for-sale, at fair value	[2]			0
Recurring | Level 1 | MBSs
Securities Available-for-Sale
Securities available-for-sale, fair value	[2]	0
Securities available-for-sale, at fair value	[2]			0
Recurring | Level 1 | Municipal securities
Securities Available-for-Sale
Securities available-for-sale, fair value	[2]	0
Securities available-for-sale, at fair value	[2]			0
Recurring | Level 1 | Corporate debt securities
Securities Available-for-Sale
Securities available-for-sale, fair value	[2]	0
Securities available-for-sale, at fair value	[2]			0
Recurring | Level 1 | Equity securities
Securities Available-for-Sale
Securities available-for-sale, at fair value	[2]			0
Recurring | Level 2
Trading securities:
Money market funds		0		0
Mutual funds		0		0
Total trading securities	[2]	0		0
Equity securities	[2]	7,108		0
Securities Available-for-Sale
Securities available-for-sale, fair value	[2]	2,093,707
Securities available-for-sale, at fair value	[2]			1,837,864
Mortgage servicing rights (MSRs)	[3]	0		0
Derivative assets	[3]	35,080		21,068
Liabilities
Derivative liabilities	[4]	48,040		25,250
Recurring | Level 2 | U.S. treasury securities
Securities Available-for-Sale
Securities available-for-sale, fair value	[2]	0
Securities available-for-sale, at fair value	[2]			0
Recurring | Level 2 | U.S. agency securities
Securities Available-for-Sale
Securities available-for-sale, fair value	[2]	148,284
Securities available-for-sale, at fair value	[2]			156,847
Recurring | Level 2 | CMOs
Securities Available-for-Sale
Securities available-for-sale, fair value	[2]	1,232,430
Securities available-for-sale, at fair value	[2]			1,095,186
Recurring | Level 2 | MBSs
Securities Available-for-Sale
Securities available-for-sale, fair value	[2]	437,636
Securities available-for-sale, at fair value	[2]			369,543
Recurring | Level 2 | Municipal securities
Securities Available-for-Sale
Securities available-for-sale, fair value	[2]	218,345
Securities available-for-sale, at fair value	[2]			208,991
Recurring | Level 2 | Corporate debt securities
Securities Available-for-Sale
Securities available-for-sale, fair value	[2]	57,012
Securities available-for-sale, at fair value	[2]			0
Recurring | Level 2 | Equity securities
Securities Available-for-Sale
Securities available-for-sale, at fair value	[2]			7,297
Recurring | Level 3
Trading securities:
Money market funds		0		0
Mutual funds		0		0
Total trading securities	[2]	0		0
Equity securities	[2]	0		0
Securities Available-for-Sale
Securities available-for-sale, fair value	[2]	0
Securities available-for-sale, at fair value	[2]			0
Mortgage servicing rights (MSRs)	[3]	6,671		5,894
Derivative assets	[3]	0		0
Liabilities
Derivative liabilities	[4]	0		0
Recurring | Level 3 | U.S. treasury securities
Securities Available-for-Sale
Securities available-for-sale, fair value	[2]	0
Securities available-for-sale, at fair value	[2]			0
Recurring | Level 3 | U.S. agency securities
Securities Available-for-Sale
Securities available-for-sale, fair value	[2]	0
Securities available-for-sale, at fair value	[2]			0
Recurring | Level 3 | CMOs
Securities Available-for-Sale
Securities available-for-sale, fair value	[2]	0
Securities available-for-sale, at fair value	[2]			0
Recurring | Level 3 | MBSs
Securities Available-for-Sale
Securities available-for-sale, fair value	[2]	0
Securities available-for-sale, at fair value	[2]			0
Recurring | Level 3 | Municipal securities
Securities Available-for-Sale
Securities available-for-sale, fair value	[2]	0
Securities available-for-sale, at fair value	[2]			0
Recurring | Level 3 | Corporate debt securities
Securities Available-for-Sale
Securities available-for-sale, fair value	[2]	$ 0
Securities available-for-sale, at fair value	[2]			0
Recurring | Level 3 | Equity securities
Securities Available-for-Sale
Securities available-for-sale, at fair value	[2]			$ 0

[1] (1) As a result of accounting guidance adopted in the first quarter of 2018, equity securities are no longer presented within trading securities or securities available-for-sale and are now presented within equity securities in the Consolidated Statements of Financial Condition for the current period. For further discussion of this guidance, see Note 2, "Recent Accounting Pronouncements."

[2] As a result of recently adopted accounting guidance, equity securities are no longer presented within trading securities or securities available-for-sale for the prior period and are now presented within equity securities for the current period. For further discussion of this guidance, see Note 2 of "Notes to the Condensed Consolidated Financial Statements" in Item 1 of this Form 10-Q.

[3] Included in other assets in the Consolidated Statements of Financial Condition.

[4] Included in other liabilities in the Consolidated Statements of Financial Condition.

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Fair Value - Significant Unobservable Inputs Used In the Valuation of MSRs (Details) - USD ($) $ in Millions	6 Months Ended	12 Months Ended
	Jun. 30, 2018	Dec. 31, 2017
Fair Value Disclosures [Abstract]
Total amount of loans being serviced for the benefit of others at the end of the period	$ 617.5	$ 607.0
Minimum
Assumption for Fair Value as of Balance Sheet Date of Assets or Liabilities that relate to Transferor's Continuing Involvement [Line Items]
Prepayment speed	6.70%	4.20%
Maturity (months)	4 months	6 months
Discount rate	9.50%	9.50%
Maximum
Assumption for Fair Value as of Balance Sheet Date of Assets or Liabilities that relate to Transferor's Continuing Involvement [Line Items]
Prepayment speed	13.50%	13.10%
Maturity (months)	106 months	92 months
Discount rate	12.00%	12.00%

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Fair Value - Carrying Value of Mortgage Servicing Rights (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Servicing Asset at Fair Value, Amount [Roll Forward]
Beginning balance		$ 6,468	$ 6,245	$ 5,894	$ 6,120
New MSRs		393	205	569	361
Total losses (gains) included in earnings:
Changes in valuation inputs and assumptions	[1]	2	(260)	562	(88)
Other changes in fair value	[1],[2]	(192)	(265)	(354)	(468)
Ending balance		6,671	5,925	6,671	5,925
Contractual servicing fees earned	[1]	$ 369	$ 384	$ 747	$ 779

[1] Included in mortgage banking income in the Condensed Consolidated Statements of Income and related to assets held as of June 30, 2018 and 2017.

[2] Primarily represents changes in expected future cash flows due to payoffs and paydowns.

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Fair Value - Assets Measured At Fair Value On A Non-Recurring Basis (Details) - USD ($) $ in Thousands		Jun. 30, 2018	Dec. 31, 2017
Fair Value - Assets Measured At Fair Value On A Nonrecurring Basis [Line Items]
OREO		$ 12,892	$ 20,851
Nonrecurring | Level 1
Fair Value - Assets Measured At Fair Value On A Nonrecurring Basis [Line Items]
Collateral-dependent impaired loans	[1]	0	0
OREO	[2]	0	0
Loans held-for-sale	[3]	0	0
Assets held-for-sale	[4]	0	0
Nonrecurring | Level 2
Fair Value - Assets Measured At Fair Value On A Nonrecurring Basis [Line Items]
Collateral-dependent impaired loans	[1]	0	0
OREO	[2]	0	0
Loans held-for-sale	[3]	0	0
Assets held-for-sale	[4]	0	0
Nonrecurring | Level 3
Fair Value - Assets Measured At Fair Value On A Nonrecurring Basis [Line Items]
Collateral-dependent impaired loans	[1]	19,810	33,240
OREO	[2]	5,177	12,340
Loans held-for-sale	[3]	6,030	21,098
Assets held-for-sale	[4]	$ 3,899	$ 2,208

[1] Includes impaired loans with charge-offs and impaired loans with a specific reserve during the periods presented.

[2] Includes OREO with fair value adjustments subsequent to initial transfer that occurred during the periods presented.

[3] Included in other assets in the Consolidated Statements of Financial Condition.

[4] Included in premises, furniture, and equipment in the Consolidated Statements of Financial Condition.

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Fair Value - Narrative (Details)	Jun. 30, 2018
Minimum
Fair Value (Details) [Line Items]
Appraisal adjustment (percent)	0.00%
Maximum
Fair Value (Details) [Line Items]
Appraisal adjustment (percent)	15.00%

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Fair Value - Fair Value Measurements of Other Financial Instruments (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Assets
Cash and due from banks	$ 181,482	$ 192,800
Interest-bearing deposits in other banks	192,785	153,770
Securities held-to-maturity	13,042	13,760
FHLB and FRB stock	82,778	69,708
Loans	10,794,874	10,342,083
Investment in BOLI	282,664	279,900
Liabilities
Deposits	11,492,263	11,053,325
Borrowed funds	981,044	714,884
Senior and subordinated debt	195,453	195,170
Carrying Amount | Level 1
Assets
Cash and due from banks	181,482	192,800
Carrying Amount | Level 2
Assets
Interest-bearing deposits in other banks	192,785	153,770
Securities held-to-maturity	13,042	13,760
FHLB and FRB stock	82,778	69,708
Liabilities
Deposits	11,492,263	11,053,325
Borrowed funds	981,044	714,884
Senior and subordinated debt	195,453	195,170
Accrued interest payable	7,115	4,704
Carrying Amount | Level 3
Assets
Loans	10,797,584	10,345,397
Investment in BOLI	282,664	279,900
Accrued interest receivable	48,542	45,261
Other interest-earning assets	78	228
Fair Value | Level 1
Assets
Cash and due from banks	181,482	192,800
Fair Value | Level 2
Assets
Interest-bearing deposits in other banks	192,785	153,770
Securities held-to-maturity	10,918	12,013
FHLB and FRB stock	82,778	69,708
Liabilities
Deposits	11,470,263	11,038,819
Borrowed funds	981,044	714,884
Senior and subordinated debt	208,425	208,666
Accrued interest payable	7,115	4,704
Fair Value | Level 3
Assets
Loans	10,451,952	10,059,992
Investment in BOLI	282,664	279,900
Accrued interest receivable	48,542	45,261
Other interest-earning assets	$ 78	$ 228