10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549 

_______________________________________________________________________________

FORM 10-Q

_______________________________________________________________________________

☑ Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

For the quarterly period ending June 30, 2017

Commission File Number: 001-31486

_______________________________________________________________________________

WEBSTER FINANCIAL CORPORATION

(Exact name of registrant as specified in its charter)

 _______________________________________________________________________________

Delaware	06-1187536
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)

145 Bank Street, Waterbury, Connecticut 06702

(Address and zip code of principal executive offices)

(203) 578-2202

(Registrant's telephone number, including area code)

______________________________________________________________________________

Indicate by check mark whether the registrant: (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.    ☑  Yes    ☐  No

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Website, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (Section 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    ☐  No

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

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

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transaction 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 Exchange Act Rule 12b-2).    ☐  Yes    ☑  No

The number of shares of common stock, par value $.01 per share, outstanding as of July 31, 2017 was 92,075,458.

INDEX

		Page No.
Key to Acronyms and Terms		ii
PART I – FINANCIAL INFORMATION
Item 1.	Financial Statements	1
Item 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	40
Item 3.	Quantitative and Qualitative Disclosures about Market Risk	70
Item 4.	Controls and Procedures	70
PART II – OTHER INFORMATION
Item 1.	Legal Proceedings	71
Item 1A.	Risk Factors	71
Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds	71
Item 3.	Defaults Upon Senior Securities	72
Item 4.	Mine Safety Disclosures	72
Item 5.	Other Information	72
Item 6.	Exhibits	72
SIGNATURES		73
EXHIBIT INDEX		74

i

WEBSTER FINANCIAL CORPORATION AND SUBSIDIARIES

KEY TO ACRONYMS AND TERMS

Agency CMBS	Agency commercial mortgage-backed securities
Agency CMO	Agency collateralized mortgage obligations
Agency MBS	Agency mortgage-backed securities
ALCO	Asset/Liability Committee
ALLL	Allowance for loan and lease losses
AOCL	Accumulated other comprehensive loss, net of tax
ASC	Accounting Standards Codification
ASU	Accounting Standards Update
Basel III	Capital rules under a global regulatory framework developed by the Basel Committee on Banking Supervision
CDI	Core deposit intangible assets
CET1 capital	Common Equity Tier 1 Capital, defined by Basel III capital rules
CLO	Collateralized loan obligation securities
CMBS	Non-agency commercial mortgage-backed securities
Dodd-Frank Act	Dodd-Frank Wall Street Reform and Consumer Protection Act of 2010
FASB	Financial Accounting Standards Board
FDIC	Federal Deposit Insurance Corporation
FHLB	Federal Home Loan Bank
FICO	Fair Isaac Corporation
FINRA	Financial Industry Regulatory Authority
FRB	Federal Reserve Bank
FTP	Funds Transfer Pricing, a matched maturity funding concept
GAAP	U.S. Generally Accepted Accounting Principles
Holding Company	Webster Financial Corporation
HSA Bank	A division of Webster Bank, National Association
ISDA	International Swaps Derivative Association
LBP	Look back period
LEP	Loss emergence period
LIBOR	London Interbank Offered Rate
LPL	LPL Financial Holdings Inc.
NII	Net interest income
OCC	Office of the Comptroller of the Currency
OCI/OCL	Other comprehensive income (loss)
OREO	Other real estate owned
OTTI	Other-than-temporary impairment
PPNR	Pre-tax, pre-provision net revenue
RPA	Risk participation agreement
SEC	United States Securities and Exchange Commission
SERP	Supplemental defined benefit retirement plan
SIPC	Securities Investor Protection Corporation
TDR	Troubled debt restructuring, defined in ASC 310-40 "Receivables-Troubled Debt Restructurings by Creditors"
VIE	Variable interest entity, defined in ASC 810-10 "Consolidation-Overall"
Webster Bank	Webster Bank, National Association, a wholly-owned subsidiary of Webster Financial Corporation
Webster or the Company	Webster Financial Corporation, collectively with its consolidated subsidiaries

ii

PART I. – FINANCIAL INFORMATION

ITEM 1. FINANCIAL STATEMENTS

WEBSTER FINANCIAL CORPORATION AND SUBSIDIARIES

CONDENSED CONSOLIDATED BALANCE SHEETS

	June 30, 2017			December 31, 2016
(In thousands, except share data)	(Unaudited)
Assets:
Cash and due from banks	$	231,808		$	190,663
Interest-bearing deposits	33,662			29,461
Investment securities available-for-sale	2,807,966			2,991,091
Investment securities held-to-maturity (fair value of $4,197,378 and $4,125,125)	4,219,198			4,160,658
Federal Home Loan Bank and Federal Reserve Bank stock	155,505			194,646
Loans held for sale (valued under fair value option $39,407 and $60,260)	39,407			67,577
Loans and leases	17,273,678			17,026,588
Allowance for loan and lease losses	(199,578		)	(194,320		)
Loans and leases, net	17,074,100			16,832,268
Deferred tax assets, net	80,942			84,391
Premises and equipment, net	131,833			137,413
Goodwill	538,373			538,373
Other intangible assets, net	31,591			33,674
Cash surrender value of life insurance policies	524,674			517,852
Accrued interest receivable and other assets	305,871			294,462
Total assets	$	26,174,930		$	26,072,529
Liabilities and shareholders' equity:
Deposits:
Non-interest-bearing	$	4,074,819		$	4,021,061
Interest-bearing	16,383,278			15,282,796
Total deposits	20,458,097			19,303,857
Securities sold under agreements to repurchase and other borrowings	872,692			949,526
Federal Home Loan Bank advances	1,767,757			2,842,908
Long-term debt	225,640			225,514
Accrued expenses and other liabilities	245,618			223,712
Total liabilities	23,569,804			23,545,517
Shareholders’ equity:
Preferred stock, $.01 par value; Authorized - 3,000,000 shares:
Series E issued and outstanding (5,060 shares)	122,710			122,710
Common stock, $.01 par value; Authorized - 200,000,000 shares:
Issued (93,679,599 and 93,651,601 shares)	937			937
Paid-in capital	1,124,661			1,125,937
Retained earnings	1,496,300			1,425,320
Treasury stock, at cost (1,628,450 and 1,899,502 shares)	(67,400		)	(70,899		)
Accumulated other comprehensive loss, net of tax	(72,082		)	(76,993		)
Total shareholders' equity	2,605,126			2,527,012
Total liabilities and shareholders' equity	$	26,174,930		$	26,072,529

See accompanying Notes to Condensed Consolidated Financial Statements.

1

WEBSTER FINANCIAL CORPORATION AND SUBSIDIARIES

CONDENSED CONSOLIDATED STATEMENTS OF INCOME (Unaudited)

	Three months ended June 30,						Six months ended June 30,
(In thousands, except per share data)	2017			2016			2017			2016
Interest Income:
Interest and fees on loans and leases	$	174,456		$	152,171		$	342,264		$	301,979
Taxable interest and dividends on investments	46,408			45,311			92,348			93,350
Non-taxable interest on investment securities	5,722			4,656			11,338			8,871
Loans held for sale	203			293			519			566
Total interest income	226,789			202,431			446,469			404,766
Interest Expense:
Deposits	14,679			12,374			28,114			24,673
Securities sold under agreements to repurchase and other borrowings	3,583			3,379			7,123			7,552
Federal Home Loan Bank advances	8,156			7,291			15,649			14,538
Long-term debt	2,584			2,482			5,132			4,946
Total interest expense	29,002			25,526			56,018			51,709
Net interest income	197,787			176,905			390,451			353,057
Provision for loan and lease losses	7,250			14,000			17,750			29,600
Net interest income after provision for loan and lease losses	190,537			162,905			372,701			323,457
Non-interest Income:
Deposit service fees	38,192			34,894			75,198			69,819
Loan and lease related fees	6,344			6,266			13,552			11,310
Wealth and investment services	7,877			7,204			15,150			14,399
Mortgage banking activities	3,351			3,753			5,617			7,013
Increase in cash surrender value of life insurance policies	3,648			3,664			7,223			7,317
Gain on sale of investment securities, net	—			94			—			414
Impairment loss on investment securities recognized in earnings	(126		)	—			(126		)	(149		)
Other income	5,265			9,200			10,979			17,326
Total non-interest income	64,551			65,075			127,593			127,449
Non-interest Expense:
Compensation and benefits	87,354			80,231			175,630			160,941
Occupancy	16,034			14,842			32,213			29,911
Technology and equipment	22,458			19,376			44,066			39,314
Intangible assets amortization	1,028			1,523			2,083			3,077
Marketing	4,615			4,669			10,056			9,593
Professional and outside services	3,507			3,754			7,783			6,565
Deposit insurance	6,625			6,633			13,357			13,419
Other expense	22,798			21,750			43,015			42,403
Total non-interest expense	164,419			152,778			328,203			305,223
Income before income tax expense	90,669			75,202			172,091			145,683
Income tax expense	29,090			24,599			51,041			48,033
Net income	61,579			50,603			121,050			97,650
Preferred stock dividends and other	(2,094		)	(2,205		)	(4,224		)	(4,368		)
Earnings applicable to common shareholders	$	59,485		$	48,398		$	116,826		$	93,282

Earnings per common share:
Basic	$	0.65	$	0.53	$	1.27	$	1.02
Diluted	0.64		0.53		1.26		1.02

See accompanying Notes to Condensed Consolidated Financial Statements.

2

WEBSTER FINANCIAL CORPORATION AND SUBSIDIARIES

CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited)

	Three months ended June 30,				Six months ended June 30,
(In thousands)	2017		2016		2017		2016
Net income	$	61,579	$	50,603	$	121,050	$	97,650
Other comprehensive income (loss), net of tax:
Total securities available-for-sale and transferred	3,200		11,265		975		18,770
Total derivative instruments	651		526		1,810		(426		)
Total defined benefit pension and other postretirement benefit plans	1,094		1,095		2,126		2,251
Other comprehensive income, net of tax	4,945		12,886		4,911		20,595
Comprehensive income	$	66,524	$	63,489	$	125,961	$	118,245

See accompanying Notes to Condensed Consolidated Financial Statements.

3

WEBSTER FINANCIAL CORPORATION AND SUBSIDIARIES

CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS’ EQUITY (Unaudited)

 

(In thousands, except per share data)	Preferred Stock		Common Stock		Paid-In Capital			Retained Earnings			Treasury Stock, at cost			Accumulated Other Comprehensive Loss, Net of Tax			Total Shareholders' Equity
Balance at December 31, 2016	$	122,710	$	937	$	1,125,937		$	1,425,320		$	(70,899	)	$	(76,993	)	$	2,527,012
Net income	—		—		—			121,050			—			—			121,050
Other comprehensive income, net of tax	—		—		—			—			—			4,911			4,911
Dividends and dividend equivalents declared on common stock $0.51 per share	—		—		82			(47,140		)	—			—			(47,058		)
Dividends on Series E preferred stock $800.00 per share	—		—		—			(4,048		)	—			—			(4,048		)
Stock-based compensation	—		—		—			1,118			6,833			—			7,951
Exercise of stock options	—		—		(1,358		)	—			5,949			—			4,591
Common shares acquired related to stock compensation plan activity	—		—		—			—			(9,283		)	—			(9,283		)
Balance at June 30, 2017	$	122,710	$	937	$	1,124,661		$	1,496,300		$	(67,400	)	$	(72,082	)	$	2,605,126
(In thousands, except per share data)	Preferred Stock		Common Stock		Paid-In Capital			Retained Earnings			Treasury Stock, at cost			Accumulated Other Comprehensive Loss, Net of Tax			Total Shareholders' Equity
Balance at December 31, 2015	$	122,710	$	937	$	1,124,325		$	1,315,948		$	(71,854	)	$	(78,106	)	$	2,413,960
Net income	—		—		—			97,650			—			—			97,650
Other comprehensive income, net of tax	—		—		—			—			—			20,595			20,595
Dividends and dividend equivalents declared on common stock $0.48 per share	—		—		70			(44,124		)	—			—			(44,054		)
Dividends on Series E preferred stock $800.00 per share	—		—		—			(4,048		)	—			—			(4,048		)
Stock-based compensation, net of tax impact	—		—		2,265			123			5,254			—			7,642
Exercise of stock options	—		—		(1,051		)	—			2,824			—			1,773
Common shares acquired related to stock compensation plan activity	—		—		—			—			(5,183		)	—			(5,183		)
Common stock repurchase program	—		—		—			—			(11,206		)	—			(11,206		)
Common stock warrants repurchased	—		—		(163		)	—			—			—			(163		)
Balance at June 30, 2016	$	122,710	$	937	$	1,125,446		$	1,365,549		$	(80,165	)	$	(57,511	)	$	2,476,966

See accompanying Notes to Condensed Consolidated Financial Statements.

4

WEBSTER FINANCIAL CORPORATION AND SUBSIDIARIES

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited)

	Six months ended June 30,
(In thousands)	2017			2016
Operating Activities:
Net income	$	121,050		$	97,650
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for loan and lease losses	17,750			29,600
Deferred tax expense	488			10,632
Depreciation and amortization	18,960			17,930
Amortization of earning assets and funding, premiums/discounts, net	23,287			27,449
Stock-based compensation	6,043			5,614
Gain on sale, net of write-down, on foreclosed and repossessed assets	(314		)	(791		)
Write-down (gain on sale), net on premises and equipment	559			(20		)
Impairment loss on investment securities recognized in earnings	126			149
Gain on the sale of investment securities, net	—			(414		)
Increase in cash surrender value of life insurance policies	(7,223		)	(7,317		)
Mortgage banking activities	(5,617		)	(7,013		)
Proceeds from sale of loans held for sale	173,338			170,572
Origination of loans held for sale	(147,437		)	(182,329		)
Net increase in derivative contract assets net of liabilities	(213		)	(110,393		)
Net (increase) decrease in accrued interest receivable and other assets	(24,054		)	31,755
Net increase in accrued expenses and other liabilities	5,261			15,729
Net cash provided by operating activities	182,004			98,803
Investing Activities:
Net (increase) decrease in interest-bearing deposits	(4,201		)	117,816
Purchases of available for sale investment securities	(106,476		)	(428,991		)
Proceeds from maturities and principal payments of available for sale investment securities	314,038			271,331
Proceeds from sales of available for sale investment securities	—			259,004
Purchases of held-to-maturity investment securities	(429,711		)	(311,420		)
Proceeds from maturities and principal payments of held-to-maturity investment securities	357,283			298,796
Net proceeds of Federal Home Loan Bank stock	39,141			3,243
Alternative investments return of capital (capital call), net	296			(1,749		)
Net increase in loans	(263,241		)	(640,922		)
Proceeds from loans not originated for sale	7,445			11,743
Proceeds from life insurance policies	484			—
Proceeds from the sale of foreclosed and repossessed assets	3,371			4,671
Proceeds from the sale of premises and equipment	507			750
Additions to premises and equipment	(13,392		)	(20,639		)
Proceeds from redemption of other assets	7,581			—
Net cash used for investing activities	(86,875		)	(436,367		)

5

	Six months ended June 30,
(In thousands)	2017			2016
Financing Activities:
Net increase in deposits	1,153,597			875,997
Proceeds from Federal Home Loan Bank advances	7,300,000			10,125,000
Repayments of Federal Home Loan Bank advances	(8,375,145		)	(10,326,076		)
Net decrease in securities sold under agreements to repurchase and other borrowings	(76,834		)	(251,709		)
Dividends paid to common shareholders	(46,862		)	(43,791		)
Dividends paid to preferred shareholders	(4,048		)	(4,048		)
Exercise of stock options	4,591			1,773
Excess tax benefits from stock-based compensation	—			2,241
Common stock repurchase program	—			(11,206		)
Common shares purchased related to stock compensation plan activity	(9,283		)	(5,183		)
Common stock warrants repurchased	—			(163		)
Net cash (used for) provided by financing activities	(53,984		)	362,835
Net increase in cash and due from banks	41,145			25,271
Cash and due from banks at beginning of period	190,663			199,693
Cash and due from banks at end of period	$	231,808		$	224,964
Supplemental disclosure of cash flow information:
Interest paid	$	53,354		$	51,527
Income taxes paid	53,334			43,093
Noncash investing and financing activities:
Transfer of loans and leases to foreclosed properties and repossessed assets	$	3,167		$	3,285
Transfer of loans from loans and leases to loans-held-for-sale	—			11,892

See accompanying Notes to Condensed Consolidated Financial Statements.

6

Note 1: Summary of Significant Accounting Policies

Nature of Operations

Webster Financial Corporation is a bank holding company and financial holding company under the Bank Holding Company Act, incorporated under the laws of Delaware in 1986 and headquartered in Waterbury, Connecticut. At June 30, 2017, Webster Financial Corporation's principal asset is all of the outstanding capital stock of Webster Bank.

Webster delivers financial services to individuals, families, and businesses primarily within its regional footprint from New York to Massachusetts. Webster provides business and consumer banking, mortgage lending, financial planning, trust, and investment services through banking offices, ATMs, mobile banking, and its internet website (www.websterbank.com or www.wbst.com). Webster also offers equipment financing, commercial real estate lending, and asset-based lending primarily across the Northeast. On a nationwide basis, through its HSA Bank division, Webster Bank offers and administers health savings accounts, flexible spending accounts, health reimbursement accounts, and commuter benefits.

Basis of Presentation

The accounting and reporting policies of the Company that materially affect its financial statements conform with GAAP. The accompanying unaudited Condensed Consolidated Financial Statements of the Company have been prepared in conformity with the instructions for Form 10-Q and Rule 10-01 of Regulation S-X. Accordingly, they do not include all the information and notes required by GAAP for complete financial statements and should be read in conjunction with the Company's Consolidated Financial Statements, and Notes thereto, for the year ended December 31, 2016, included in the Company's Annual Report on Form 10-K filed with the SEC on March 1, 2017.

The preparation of financial statements in accordance with GAAP requires management to make estimates and assumptions that affect the amounts of assets and liabilities as of the date of the financial statements as well as income and expense during the period. Actual results could differ from those estimates. Operating results for the interim periods disclosed herein are not necessarily indicative of the results that may be expected for the full year or any future period.

Certain prior period amounts have been reclassified to conform to the current year's presentation. These reclassifications had an immaterial effect on total assets, total liabilities and shareholders' equity, non-interest income, non-interest expense, net cash provided by operating activities, and net cash used for investing activities.

Significant Accounting Policy Updates

Centrally Cleared Derivatives

Effective during the first quarter of 2016, the Company offset the variation margin pertaining to derivatives reported on a net basis, subject to a legally enforceable master netting arrangement, with the same counterparty against the net derivative position on the Company's balance sheets. The Chicago Mercantile Exchange has amended their rulebooks to legally characterize variation margin payments for over-the-counter derivatives that clear, as settlements rather than collateral, effective January 3, 2017.

The Company has updated its significant accounting policies to classify variation margin deemed to be legal settlements as a single unit of account with the derivative, for accounting and presentation purposes. The policy update does not result in a change in the presentation of the Company's balance sheets as the Company previously offset the variation margin pertaining to derivatives reporting on a net basis, subject to a legally enforceable master netting arrangement, with the same counterparty against the net derivative position.

Accounting Standards Adopted during 2017

Effective January 1, 2017, the following new accounting guidance was adopted by the Company:

ASU No. 2016-09, Compensation - Stock Compensation (Topic 718) - Improvements to Employee Share Based Payment Accounting

The Update impacted the accounting for employee share-based payment transactions, including the income tax consequences, and classification on the statement of cash flows. The Update requires the Company to recognize the income tax effects of awards in the income statement on a prospective basis when the awards vest or are settled, compared to within additional paid-in capital. As a result, applicable excess tax benefits and tax deficiencies are recorded as an income tax benefit or expense, respectively. The Company elected to present the classification on the statement of cash flows on a prospective basis to better align this presentation with the income tax effects.

The impact of the Update will vary from period to period based on the Company's stock price and the quantity of shares that vest or are settled within a given period.

7

The Update also requires the Company to elect the accounting for forfeitures of share-based payments by either (i) recognizing forfeitures of awards as they occur or (ii) estimating the number of awards expected to be forfeited and adjusting the estimate when it is likely to change, as is currently required. The Company elected to account for forfeitures of share-based payments by estimating the number of awards expected to be forfeited and adjusting the estimate when it is likely to change, which is in accordance with the Company's previous accounting practices.

The adoption of this accounting standard did not have a material impact on the Company's financial statements.

ASU No. 2016-06, Derivatives and Hedging (Topic 815) - Contingent Put and Call Options in Debt Instruments.

The Update clarifies the requirements for assessing whether contingent call (put) options that can accelerate the payment of principal on debt instruments are clearly and closely related to their debt hosts. The Update requires the assessment of embedded call (put) options solely in accordance with the four-step decision sequence. The Update clarified that Companies are not required to assess whether the event triggering the ability to exercise the call/put option was also clearly and closely related.

The adoption of this accounting standard did not have a material impact on the Company's financial statements, as the Company has not performed the additional step of assessing whether the event triggering the ability to exercise the call/put option was clearly and closely related, which was deemed not required by the Update.

Accounting Standards Issued but not yet Adopted

The following list identifies ASUs applicable to the Company that have been issued by the FASB but are not yet effective:

ASU No. 2017-08, Receivables - Nonrefundable Fees and Other Costs (Subtopic 310-20) Premium Amortization on Purchased Callable Debt Securities.

The Update is intended to enhance the accounting for the amortization of premiums for purchased callable debt securities. Specifically, the Update shortens the amortization period for certain investments in callable debt securities purchased at a premium by requiring that the premium be amortized to the earliest call date. The Update is being issued in response to concerns from stakeholders that, current GAAP excludes certain callable debt securities from consideration of early repayment of principal even if the holder is certain that the call will be exercised.

The Update, upon adoption, is expected to accelerate the Company’s recognition of premium amortization on debt securities held within the portfolio. The amendments in the Update will be applied on a modified retrospective basis through a cumulative-effect adjustment directly through retained earnings upon adoption.

Management is in the process of evaluating the full impact of adopting the Update including, but not limited to the following:

• Modifying system amortization requirements;

• Evaluation of premiums associated with debt securities to determine the appropriate cumulative-effect adjustment; and

• Establishing new accounting policies pertaining to premium amortization on purchased callable debt securities.

The Update is effective for the first quarter of 2019, early adoption is permitted. The Company is evaluating the potential to early adopt the Update.

ASU No. 2017-7, Compensation - Retirement Benefits (Topic 715) - Improving the Presentation of Net Periodic Pension Cost and Net Periodic Postretirement Benefit Cost.

The Update requires the Company to disaggregate the current-service-cost component from the other components of net benefit cost (the “other components”) and present it with other current compensation costs for related employees in the income statement and present the other components elsewhere in the income statement and outside of income from operations if that subtotal is presented. In addition, the Update requires entities to disclose the income statement lines that contain the other components if they are not presented on appropriately described separate lines.

The new guidance will be applied on a retrospective basis. The Company intends to adopt the Update for the first quarter of 2018. Adoption is not anticipated to have a material impact on the Company's financial statements.

ASU No. 2017-04, Intangibles - Goodwill and Other (Topic 350) - Simplifying the Test for Goodwill Impairment.

The Update eliminates Step 2 from the goodwill impairment analysis. Step 2, requires the Company to perform procedures to determine the fair value at the impairment testing date of its assets and liabilities (including unrecognized assets and liabilities). Under current guidance, Step 2 testing would be performed only if Step 1 testing indicated the fair value of the reporting unit is below the reporting unit’s carrying amount.

Once effective the Update will require the Company to record an impairment charge for the amount by which the carrying amount exceeds the reporting unit’s fair value, eliminating the Step 2 requirements. The Company intends to adopt the Update for the first quarter of 2020. Adoption is not anticipated to have a material impact on the Company's financial statements.

8

ASU No. 2016-16, Statement of Cash Flows (Topic 230) - Classification of Certain Cash Receipts and Cash Payments.

The Update addresses eight specific cash flow issues with the objective of reducing the existing diversity in practice. The Update addresses the following eight issues: Debt prepayment or debt extinguishment costs; settlement of zero-coupon debt instruments or other debt instruments with coupon interest rates that are insignificant in relation to the effective interest rate of the borrowing; contingent consideration payments made after a business combination; proceeds from the settlement of insurance claims; proceeds from the settlement of corporate-owned life insurance policies, including bank-owned life insurance policies; distributions received from equity method investees; beneficial interests in securitization transactions; and separately identifiable cash flows and application of the predominance principle.

The Company intends to adopt the Update for the first quarter of 2019. Adoption is not anticipated to have a material impact on the Company's financial statements.

ASU No. 2016-13, Financial Instruments - Credit Losses (Topic 326) - Measurement of Credit Losses on Financial Instruments.

Current GAAP requires an "incurred loss" methodology for recognizing credit losses that delays recognition until it is probable a loss has been incurred. Both financial institutions and users of their financial statements expressed concern that current GAAP restricts the ability to record credit losses that are expected, but do not yet meet the "probable" threshold.

The main objective of this Update is to provide financial statement users with more decision-useful information about the expected credit losses on financial instruments and other commitments to extend credit held by a reporting entity at each reporting date. To achieve this objective, the amendments in this Update replace the incurred loss impairment methodology in current GAAP with a methodology that reflects expected credit losses and requires consideration of a broader range of reasonable and supportable information to determine credit loss estimates.

The Change from an "incurred loss" method to an "expected loss" method represents a fundamental shift from existing GAAP, and may result in material changes to the Company's accounting for credit losses on financial instruments. The Company has established a project lead and identified a working group comprised of members from different disciplines including Credit, Finance and Information Technology. The Company is in the early stages of evaluation of the effect that this ASU will have on its financial statements and related disclosures, but has begun to develop a roadmap which includes a consideration of external resources that may be required, use of existing and new models, data availability and system solutions to facilitate implementation. The ASU will be effective for the Company as of January 1, 2020.

ASU No. 2016-02, Leases (Topic 842).

The Update introduces a lessee model that brings most leases on the balance sheet. The Update also aligns certain of the underlying principles of the new lessor model with those in ASC 606 "Revenue from Contracts with Customers", the FASB’s new revenue recognition standard (e.g., evaluating how collectability should be considered and determining when profit can be recognized).

Furthermore, the Update addresses other concerns including the elimination of the required use of bright-line tests for determining lease classification. Lessors are required to provide additional transparency into the exposure to the changes in value of their residual assets and how they manage that exposure.

The Company intends to adopt the Update for the first quarter of 2019 using the modified retrospective method. The Company is in the early assessment stage and will continue to review the existing lease portfolio to evaluate the impact of the new accounting guidance on the financial statements.

ASU No. 2016-01, Financial Instruments - Overall (Subtopic 825-10) - Recognition and Measurement of Financial Assets and Financial Liabilities.

Equity investments not accounted for under the equity method or those that do not result in consolidation of the investee are to be measured at fair value with changes in the fair value recognized through net income. Entities are to present separately in other comprehensive income, the portion of the total change in the fair value of a liability resulting from a change in the instrument-specific credit risk when an election to measure the liability at fair value in accordance with the fair value option for financial instruments has been made. Also, the requirement to disclose the method(s) and significant assumptions used to estimate the fair value for financial instruments measured at amortized cost on the balance sheet has been eliminated.

The Company intends to adopt the Update for the first quarter of 2018 and is in the process of assessing the impact of the new accounting guidance on the financial statements.

9

ASU No. 2014-09, Revenue from Contracts with Customers (Topic 606) and ASU No. 2015-14, Revenue from Contracts with Customers (Topic 606).

The Update requires an entity to recognize the amount of revenue to which it expects to be entitled for the transfer of promised goods or services to customers. The Update excludes revenue associated with net interest income as well as many other revenues for financial assets and liabilities including loans and leases, securities, and derivatives. As a result the majority of the Company's revenue will not be affected.

The Company continues to evaluate customer contracts within the scope of the new guidance and assess the related revenues to determine if any accounting or internal control changes will be required for the updated guidance. The Company's deposit service fees, wealth and investment services, and certain other income items are within the scope of the Update. While the assessment is not complete, the timing of the Company's revenue recognition is not expected to materially change.

The Company continues to evaluate the effect that the guidance will have on other revenue streams within its scope, as well as changes in disclosures required by the new guidance. The Company intends to adopt the Update for the first quarter of 2018 utilizing the modified retrospective application with a cumulative affect adjustment to opening retained earnings. The Company's evaluations are not final and are subject to change.

10

Note 2: Investment Securities

A summary of the amortized cost and fair value of investment securities is presented below:

	At June 30, 2017									At December 31, 2016
(In thousands)	Amortized Cost		Unrealized Gains		Unrealized Losses			Fair Value		Amortized Cost		Unrealized Gains		Unrealized Losses			Fair Value
Available-for-sale:
U.S. Treasury Bills	$	3,843	$	—	$	—		$	3,843	$	734	$	—	$	—		$	734
Agency CMO	359,075		3,064		(3,123		)	359,016		419,865		3,344		(3,503		)	419,706
Agency MBS	888,810		3,764		(16,884		)	875,690		969,460		4,398		(19,509		)	954,349
Agency CMBS	602,446		—		(15,344		)	587,102		587,776		63		(14,567		)	573,272
CMBS	477,932		2,202		(226		)	479,908		473,974		4,093		(702		)	477,365
CLO	361,323		2,026		(224		)	363,125		425,083		2,826		(519		)	427,390
Trust preferred	30,434		891		(123		)	31,202		30,381		—		(1,748		)	28,633
Corporate debt	107,228		906		(54		)	108,080		108,490		1,502		(350		)	109,642
Available-for-sale	$	2,831,091	$	12,853	$	(35,978	)	$	2,807,966	$	3,015,763	$	16,226	$	(40,898	)	$	2,991,091
Held-to-maturity:
Agency CMO	$	297,649	$	1,381	$	(3,170	)	$	295,860	$	339,455	$	1,977	$	(3,824	)	$	337,608
Agency MBS	2,324,270		23,383		(35,115		)	2,312,538		2,317,449		26,388		(41,768		)	2,302,069
Agency CMBS	642,676		309		(2,727		)	640,258		547,726		694		(1,348		)	547,072
Municipal bonds and notes	688,913		5,111		(14,605		)	679,419		655,813		4,389		(25,749		)	634,453
CMBS	265,086		3,862		(252		)	268,696		298,538		4,107		(411		)	302,234
Private Label MBS	604		3		—			607		1,677		12		—			1,689
Held-to-maturity	$	4,219,198	$	34,049	$	(55,869	)	$	4,197,378	$	4,160,658	$	37,567	$	(73,100	)	$	4,125,125

Other-Than-Temporary Impairment

The balance of OTTI, included in the amortized cost columns above, is related to certain CLO positions that were previously considered Covered Funds as defined by Section 619 of the Dodd-Frank Act, commonly known as the Volcker Rule. The Company has taken measures to bring its CLO positions into conformance with the Volcker Rule.

During the three and six months ended June 30, 2017, OTTI of $126 thousand, related to principal held back in conjunction with the exercise of a clean-up call option for a Private Label MBS security, was recognized. To the extent that changes occur in interest rates, credit movements, and other factors that impact fair value and expected recovery of amortized cost of its investment securities, the Company may, in future periods, be required to recognize OTTI in earnings.

The following table presents the changes in OTTI:

	Three months ended June 30,					Six months ended June 30,
(In thousands)	2017			2016		2017			2016
Beginning balance	$	3,231		$	3,437	$	3,243		$	3,288
Reduction for investment securities sold or called	(126		)	—		(138		)	—
Additions for OTTI not previously recognized in earnings	126			—		126			149
Ending balance	$	3,231		$	3,437	$	3,231		$	3,437

11

Fair Value and Unrealized Losses

The following tables provide information on fair value and unrealized losses for the individual investment securities with an unrealized loss, aggregated by classification and length of time that the individual investment securities have been in a continuous unrealized loss position:

	At June 30, 2017
	Less Than Twelve Months					Twelve Months or Longer					Total
(Dollars in thousands)	Fair Value		Unrealized Losses			Fair Value		Unrealized Losses			# of Holdings	Fair Value		Unrealized Losses
Available-for-sale:
Agency CMO	$	90,691	$	(1,941	)	$	60,635	$	(1,182	)	16	$	151,326	$	(3,123	)
Agency MBS	463,242		(8,396		)	250,375		(8,488		)	101	713,617		(16,884		)
Agency CMBS	582,194		(15,154		)	4,908		(190		)	34	587,102		(15,344		)
CMBS	43,970		(30		)	19,804		(196		)	6	63,774		(226		)
CLO	58,674		(203		)	16,263		(21		)	4	74,937		(224		)
Trust preferred	5,527		(53		)	4,606		(70		)	2	10,133		(123		)
Corporate debt	5,851		(30		)	1,841		(24		)	2	7,692		(54		)
Available-for-sale in an unrealized loss position	$	1,250,149	$	(25,807	)	$	358,432	$	(10,171	)	165	$	1,608,581	$	(35,978	)
Held-to-maturity:
Agency CMO	$	98,593	$	(2,288	)	$	51,844	$	(882	)	15	$	150,437	$	(3,170	)
Agency MBS	1,315,939		(27,429		)	252,535		(7,686		)	149	1,568,474		(35,115		)
Agency CMBS	493,652		(2,727		)	—		—			39	493,652		(2,727		)
Municipal bonds and notes	314,543		(12,295		)	30,956		(2,310		)	148	345,499		(14,605		)
CMBS	38,756		(252		)	—		—			7	38,756		(252		)
Held-to-maturity in an unrealized loss position	$	2,261,483	$	(44,991	)	$	335,335	$	(10,878	)	358	$	2,596,818	$	(55,869	)

	At December 31, 2016
	Less Than Twelve Months					Twelve Months or Longer					Total
(Dollars in thousands)	Fair Value		Unrealized Losses			Fair Value		Unrealized Losses			# of Holdings	Fair Value		Unrealized Losses
Available-for-sale:
Agency CMO	$	107,853	$	(2,168	)	$	67,351	$	(1,335	)	15	$	175,204	$	(3,503	)
Agency MBS	512,075		(10,503		)	252,779		(9,006		)	97	764,854		(19,509		)
Agency CMBS	554,246		(14,567		)	—		—			32	554,246		(14,567		)
CMBS	12,427		(24		)	63,930		(678		)	12	76,357		(702		)
CLO	49,946		(54		)	50,237		(465		)	5	100,183		(519		)
Trust preferred	—		—			28,633		(1,748		)	5	28,633		(1,748		)
Corporate debt	—		—			7,384		(350		)	2	7,384		(350		)
Available-for-sale in an unrealized loss position	$	1,236,547	$	(27,316	)	$	470,314	$	(13,582	)	168	$	1,706,861	$	(40,898	)
Held-to-maturity:
Agency CMO	$	163,439	$	(3,339	)	$	17,254	$	(485	)	16	$	180,693	$	(3,824	)
Agency MBS	1,394,623		(32,942		)	273,779		(8,826		)	150	1,668,402		(41,768		)
Agency CMBS	347,725		(1,348		)	—		—			25	347,725		(1,348		)
Municipal bonds and notes	384,795		(25,745		)	1,192		(4		)	196	385,987		(25,749		)
CMBS	60,768		(411		)	—		—			8	60,768		(411		)
Held-to-maturity in an unrealized loss position	$	2,351,350	$	(63,785	)	$	292,225	$	(9,315	)	395	$	2,643,575	$	(73,100	)

12

Impairment Analysis

The following impairment analysis by investment security type, summarizes the basis for evaluating if investment securities within the Company’s available-for-sale and held-to-maturity portfolios have been impacted by OTTI. Unless otherwise noted for an investment security type, management does not intend to sell these investment securities and has determined, based upon available evidence, that it is more likely than not that the Company will not be required to sell these investment securities before the recovery of their amortized cost. As such, based on the following impairment analysis, the Company does not consider these investment securities, in unrealized loss positions, to be other-than-temporarily impaired at June 30, 2017.

Available-for-Sale

Agency CMO. There were unrealized losses of $3.1 million on the Company’s investment in Agency CMO at June 30, 2017, compared to $3.5 million at December 31, 2016. Unrealized losses decreased due to lower principal balances for this asset class at June 30, 2017 compared to December 31, 2016. Market prices remained essentially unchanged. These investments are issued by a government agency or a government-sponsored agency and, therefore, are backed by certain government guarantees, either direct or indirect. The contractual cash flows for these investments are performing as expected, and there has been no change in the underlying credit quality.

Agency MBS. There were unrealized losses of $16.9 million on the Company’s investment in Agency MBS at June 30, 2017, compared to $19.5 million at December 31, 2016. Unrealized losses decreased due to lower principal balances for this asset class at June 30, 2017 compared to December 31, 2016. Market prices remained essentially unchanged. These investments are issued by a government agency or a government-sponsored agency and, therefore, are backed by certain government guarantees, either direct or indirect. The contractual cash flows for these investments are performing as expected, and there has been no change in the underlying credit quality.

Agency CMBS. There were unrealized losses of $15.3 million on the Company's investment in Agency CMBS at June 30, 2017, compared to $14.6 million at December 31, 2016. Unrealized losses increased due to higher principal balances for this asset class compared to December 31, 2016. Market prices remained essentially unchanged. These investments are issued by a government agency or a government-sponsored agency and, therefore, are backed by certain government guarantees, either direct or indirect. The contractual cash flows for these investments are performing as expected, and there has been no change in the underlying credit quality.

CMBS. There were unrealized losses of $0.2 million on the Company’s investment in CMBS at June 30, 2017, compared to $0.7 million at December 31, 2016. The portfolio of mainly floating rate CMBS experienced lower market spreads which resulted in higher security prices and smaller unrealized losses at June 30, 2017 compared to December 31, 2016. Internal and external metrics are considered when evaluating potential OTTI. Internal stress tests are performed on individual bonds to monitor potential losses under stress scenarios. Contractual cash flows for these investments are performing as expected.

CLO. There were unrealized losses of $0.2 million on the Company's investment in CLO at June 30, 2017, compared to $0.5 million at December 31, 2016. Unrealized losses decreased due to lower market spreads for the CLO portfolio at June 30, 2017 compared to December 31, 2016. Contractual cash flows for these investments are performing as expected.

Trust preferred. There were unrealized losses of $0.1 million on the Company's investment in trust preferred at June 30, 2017, compared to $1.7 million at December 31, 2016. Unrealized losses decreased due to lower market spreads for this asset class, which resulted in higher security prices compared to December 31, 2016. The trust preferred portfolio consists of three floating rate investments issued by two different large capitalization money center financial institutions, which continue to service the debt. The Company performs periodic credit reviews of the issuer to assess the likelihood for ultimate recovery of amortized cost.

Corporate debt. There were $0.1 million unrealized losses on the Company's corporate debt at June 30, 2017, compared to $0.4 million at December 31, 2016. The Company performs periodic credit reviews of the issuer to assess the likelihood for ultimate recovery of amortized cost.

Held-to-Maturity

Agency CMO. There were unrealized losses of $3.2 million on the Company’s investment in Agency CMO at June 30, 2017 compared to $3.8 million at December 31, 2016. Unrealized losses decreased due to lower principal balances for this asset class at June 30, 2017 compared to December 31, 2016. Market prices remained essentially unchanged. These investments are issued by a government agency or a government-sponsored agency and, therefore, are backed by certain government guarantees, either direct or indirect. The contractual cash flows for these investments are performing as expected, and there has been no change in the underlying credit quality.

13

Agency MBS. There were unrealized losses of $35.1 million on the Company’s investment in Agency MBS at June 30, 2017, compared to $41.8 million at December 31, 2016. Unrealized losses decreased due to lower principal balances for this asset class at June 30, 2017 compared to December 31, 2016. Market prices remained essentially unchanged. These investments are issued by a government agency or a government-sponsored agency and, therefore, are backed by certain government guarantees, either direct or indirect. There has been no change in the underlying credit quality, and the contractual cash flows are performing as expected.

Agency CMBS. There were unrealized losses of $2.7 million on the Company's investment in Agency CMBS at June 30, 2017, compared to $1.3 million at December 31, 2016. Unrealized losses increased due to higher market spreads for this asset class which resulted in lower prices since December 31, 2016.

Municipal bonds and notes. There were unrealized losses of $14.6 million on the Company’s investment in municipal bonds and notes at June 30, 2017, compared to $25.7 million at December 31, 2016. Unrealized losses decreased due to lower market rates which resulted in higher prices at June 30, 2017. The Company performs periodic credit reviews of the issuers and these investments are currently performing as expected.

CMBS. There were unrealized losses of $0.3 million on the Company’s investment in CMBS at June 30, 2017, compared to $0.4 million at December 31, 2016. Unrealized losses were approximately the same, for the portfolio comprised mainly of seasoned fixed rate conduit transactions, at June 30, 2017 compared to December 31, 2016. Internal and external metrics are considered when evaluating potential OTTI. Internal stress tests are performed on individual bonds to monitor potential losses under stress scenarios. The contractual cash flows for these investments are performing as expected.

Sales of Available-for Sale Investment Securities

The following table provides information on sales of available-for-sale investment securities:

	Three months ended June 30,				Six months ended June 30,
(In thousands)	2017		2016		2017		2016
Proceeds from sales (1)	$	—	$	216,071	$	—	$	259,273
Gross realized gains on sales	$	—	$	2,504	$	—	$	2,891
Less: Gross realized losses on sales	—		2,410				2,477
Gain on sale of investment securities, net	$	—	$	94	$	—	$	414

(1) There were no sales during the three and six months ended June 30, 2017.

Contractual Maturities

The amortized cost and fair value of debt securities by contractual maturity are set forth below:

	At June 30, 2017
	Available-for-Sale				Held-to-Maturity
(In thousands)	Amortized Cost		Fair Value		Amortized Cost		Fair Value
Due in one year or less	$	77,641	$	77,882	$	16,289	$	16,403
Due after one year through five years	21,426		21,745		7,849		7,943
Due after five through ten years	491,037		493,662		44,759		45,623
Due after ten years	2,240,987		2,214,677		4,150,301		4,127,409
Total debt securities	$	2,831,091	$	2,807,966	$	4,219,198	$	4,197,378

For the maturity schedule above, mortgage-backed securities and CLO, which are not due at a single maturity date, have been categorized based on the maturity date of the underlying collateral. Actual principal cash flows may differ from this maturity date presentation as borrowers have the right to prepay obligations with or without prepayment penalties.

At June 30, 2017, the Company had a carrying value of $1.3 billion in callable investment securities in its CMBS, CLO, and municipal bond portfolios. The Company considers prepayment risk in the evaluation of its interest rate risk profile. These maturities may not reflect actual durations, which may be impacted by prepayments.

Investment securities with a carrying value totaling $2.7 billion at June 30, 2017 and $2.5 billion at December 31, 2016 were pledged to secure public funds, trust deposits, repurchase agreements, and for other purposes, as required or permitted by law.

14

Note 3: Variable Interest Entities

The Company has an investment interest in several entities that meet the definition of a VIE. The following discussion provides information about the Company's VIEs.

Consolidated

Rabbi Trust. The Company established a Rabbi Trust to meet the obligations due under its Deferred Compensation Plan for Directors and Officers and to mitigate the expense volatility of the aforementioned plan. The funding of the Rabbi Trust and the discontinuation of the Deferred Compensation Plan for Directors and Officers occurred during 2012.

Investments held in the Rabbi Trust primarily consist of mutual funds that invest in equity and fixed income securities. The Company is considered the primary beneficiary of the Rabbi Trust as it has the power to direct the activities of the Rabbi Trust that significantly affect the VIE's economic performance and it has the obligation to absorb losses of the VIE that could potentially be significant to the VIE.

The Company consolidates the invested assets of the trust along with the total deferred compensation obligations and includes them in accrued interest receivable and other assets and accrued expenses and other liabilities, respectively, in the accompanying Condensed Consolidated Balance Sheets. Earnings in the Rabbi Trust, including appreciation or depreciation, are reflected as other non-interest income, and changes in the corresponding liability are reflected as compensation and benefits, in the accompanying Condensed Consolidated Statements of Income.

Non-Consolidated

Securitized Investments. The Company, through normal investment activities, makes passive investments in securities issued by VIEs for which Webster is not the manager. The investment securities consist of Agency CMO, Agency MBS, Agency CMBS, CLO and trust preferred. The Company has not provided financial or other support with respect to these investment securities other than its original investment. For these investment securities, the Company determined it is not the primary beneficiary due to the relative size of its investment in comparison to the principal amount of the structured securities issued by the VIEs, the level of credit subordination which reduces the Company’s obligation to absorb losses or right to receive benefits and its inability to direct the activities that most significantly impact the economic performance of the VIEs. The Company’s maximum exposure to loss is limited to the amount of its investment in the VIEs. Refer to Note 2: Investment Securities for additional information.

Tax Credit - Finance Investments. The Company makes equity investments in entities that finance affordable housing and other community development projects and provide a return primarily through the realization of tax benefits. In most instances the investments require the funding of capital commitments in the future. While the Company's investment in an entity may exceed 50% of its outstanding equity interests, the entity is not consolidated as Webster is not involved in its management. For these investments, the Company determined it is not the primary beneficiary due to its inability to direct the activities that most significantly impact the economic performance of the VIEs.

At June 30, 2017 and December 31, 2016, the aggregate carrying value of the Company's tax credit-finance investments were$29.2 million and $22.8 million, respectively. At June 30, 2017 and December 31, 2016, unfunded commitments have been recognized, totaling $20.4 million and $14.0 million, respectively, and are included in accrued expenses and other liabilities in the accompanying Condensed Consolidated Balance Sheets.

Webster Statutory Trust. The Company owns all of the outstanding common stock of Webster Statutory Trust, which is a financial vehicle that has issued, and may issue in the future, trust preferred securities. The trust is a VIE in which the Company is not the primary beneficiary and therefore, is not consolidated. The trust's only assets are junior subordinated debentures issued by the Company, which were acquired by the trust using the proceeds from the issuance of the trust preferred securities and common stock. The junior subordinated debentures are included in long-term debt in the accompanying Condensed Consolidated Balance Sheets, and the related interest expense is reported as interest expense on long-term debt in the accompanying Condensed Consolidated Statements of Income.

Other Investments. The Company invests in various alternative investments in which it holds a variable interest. Alternative investments are non-public entities which cannot be redeemed since the Company’s investment is distributed as the underlying equity is liquidated. For these investments, the Company has determined it is not the primary beneficiary due to its inability to direct the activities that most significantly impact the economic performance of the VIEs.

At June 30, 2017 and December 31, 2016, the aggregate carrying value of the Company's other investments in VIEs were $12.2 million and $12.3 million, respectively, and the total exposure of the Company's other investments in VIEs, including unfunded commitments, were $21.3 million and $19.9 million, respectively.

The Company's equity interests in Tax Credit-Finance Investments, Webster Statutory Trust, and Other Investments are included in accrued interest receivable and other assets in the accompanying Condensed Consolidated Balance Sheets. For a further description of the Company's accounting policies regarding the consolidation of a VIE, refer to Note 1 to the Consolidated Financial Statements for the year ended December 31, 2016 included in its 2016 Form 10-K.

15

Note 4: Loans and Leases

The following table summarizes loans and leases:

(In thousands)	At June 30, 2017		At December 31, 2016
Residential	$	4,388,308	$	4,254,682
Consumer	2,599,318		2,684,500
Commercial	5,144,171		4,940,931
Commercial Real Estate	4,556,208		4,510,846
Equipment Financing	585,673		635,629
Loans and leases (1) (2)	$	17,273,678	$	17,026,588

(1) Loans and leases include net deferred fees and net premiums/discounts of $18.8 million and $17.3 million at June 30, 2017 and December 31, 2016, respectively.

(2) At June 30, 2017, the Company had pledged $6.2 billion of eligible residential, consumer and commercial loans as collateral to support borrowing capacity at the FHLB Boston and the FRB of Boston.

Loans and Leases Aging

The following tables summarize the aging of loans and leases:

	At June 30, 2017
(In thousands)	30-59 Days Past Due and Accruing		60-89 Days Past Due and Accruing		90 or More Days Past Due and Accruing		Non-accrual		Total Past Due and Non-accrual		Current		Total Loans and Leases
Residential	$	6,157	$	3,697	$	—	$	46,090	$	55,944	$	4,332,364	$	4,388,308
Consumer:
Home equity	7,961		3,307		—		38,974		50,242		2,293,538		2,343,780
Other consumer	1,788		1,337		—		1,272		4,397		251,141		255,538
Commercial:
Commercial non-mortgage	1,269		648		1,185		68,181		71,283		4,211,685		4,282,968
Asset-based	—		—		—		—		—		861,203		861,203
Commercial real estate:
Commercial real estate	832		184		—		10,637		11,653		4,182,700		4,194,353
Commercial construction	—		—		—		543		543		361,312		361,855
Equipment financing	883		—		—		547		1,430		584,243		585,673
Total	$	18,890	$	9,173	$	1,185	$	166,244	$	195,492	$	17,078,186	$	17,273,678

	At December 31, 2016
(In thousands)	30-59 Days Past Due and Accruing		60-89 Days Past Due and Accruing		90 or More Days Past Due and Accruing		Non-accrual		Total Past Due and Non-accrual		Current		Total Loans and Leases
Residential	$	8,631	$	2,609	$	—	$	47,279	$	58,519	$	4,196,163	$	4,254,682
Consumer:
Home equity	8,831		5,782		—		35,926		50,539		2,359,354		2,409,893
Other consumer	2,233		1,485		—		1,663		5,381		269,226		274,607
Commercial:
Commercial non-mortgage	1,382		577		749		38,190		40,898		4,094,727		4,135,625
Asset-based	—		—		—		—		—		805,306		805,306
Commercial real estate:
Commercial real estate	6,357		1,816		—		9,871		18,044		4,117,742		4,135,786
Commercial construction	—		—		—		662		662		374,398		375,060
Equipment financing	903		693		—		225		1,821		633,808		635,629
Total	$	28,337	$	12,962	$	749	$	133,816	$	175,864	$	16,850,724	$	17,026,588

Interest on non-accrual loans and leases that would have been recorded as additional interest income for the three and six months ended June 30, 2017 and 2016, had the loans and leases been current in accordance with their original terms, totaled $2.6 million and $4.5 million, and $3.0 million and $5.4 million, respectively.

16

Allowance for Loan and Lease Losses

The following tables summarize the activity in, as well as the loan and lease balances that were evaluated for, the ALLL:

	At or for the three months ended June 30, 2017
	Residential			Consumer			Commercial			Commercial Real Estate			Equipment Financing			Total
ALLL:
Balance, beginning of period	$	20,264		$	45,408		$	76,354		$	50,727		$	6,354		$	199,107
(Benefit) provision charged to expense	(1,621		)	1,562			5,489			1,771			49			7,250
Charge-offs	(623		)	(5,602		)	(2,196		)	(100		)	(119		)	(8,640		)
Recoveries	407			1,120			317			4			13			1,861
Balance, end of period	$	18,427		$	42,488		$	79,964		$	52,402		$	6,297		$	199,578

	At or for the three months ended June 30, 2016
(In thousands)	Residential			Consumer			Commercial			Commercial Real Estate			Equipment Financing			Total
ALLL:
Balance, beginning of period	$	27,330		$	41,636		$	66,471		$	33,318		$	5,446		$	174,201
(Benefit) provision charged to expense	(2,412		)	4,682			10,560			1,087			83			14,000
Charge-offs	(638		)	(4,556		)	(3,525		)	(995		)	(70		)	(9,784		)
Recoveries	133			1,194			316			212			156			2,011
Balance, end of period	$	24,413		$	42,956		$	73,822		$	33,622		$	5,615		$	180,428

	At or for the six months ended June 30, 2017
(In thousands)	Residential			Consumer			Commercial			Commercial Real Estate			Equipment Financing			Total
ALLL:
Balance, beginning of period	$	23,226		$	45,233		$	71,905		$	47,477		$	6,479		$	194,320
(Benefit) provision charged to expense	(4,088		)	6,888			9,739			5,116			95			17,750
Charge-offs	(1,355		)	(12,076		)	(2,319		)	(202		)	(304		)	(16,256		)
Recoveries	644			2,443			639			11			27			3,764
Balance, end of period	$	18,427		$	42,488		$	79,964		$	52,402		$	6,297		$	199,578
Individually evaluated for impairment	$	5,105		$	1,829		$	10,951		$	324		$	27		$	18,236
Collectively evaluated for impairment	$	13,322		$	40,659		$	69,013		$	52,078		$	6,270		$	181,342
Loan and lease balances:
Individually evaluated for impairment	$	117,820		$	47,310		$	83,206		$	18,677		$	6,332		$	273,345
Collectively evaluated for impairment	4,270,488			2,552,008			5,060,965			4,537,531			579,341			17,000,333
Loans and leases	$	4,388,308		$	2,599,318		$	5,144,171		$	4,556,208		$	585,673		$	17,273,678

	At or for the six months ended June 30, 2016
(In thousands)	Residential			Consumer			Commercial			Commercial Real Estate			Equipment Financing			Total
ALLL:
Balance, beginning of period	$	25,876		$	42,052		$	66,686		$	34,889		$	5,487		$	174,990
(Benefit) provision charged to expense	(85		)	7,473			21,096			968			148			29,600
Charge-offs	(2,232		)	(8,977		)	(14,733		)	(2,521		)	(221		)	(28,684		)
Recoveries	854			2,408			773			286			201			4,522
Balance, end of period	$	24,413		$	42,956		$	73,822		$	33,622		$	5,615		$	180,428
Individually evaluated for impairment	$	10,018		$	3,027		$	6,422		$	1,649		$	17		$	21,133
Collectively evaluated for impairment	$	14,395		$	39,929		$	67,400		$	31,973		$	5,598		$	159,295
Loan and lease balances:
Individually evaluated for impairment	$	127,965		$	47,576		$	59,550		$	32,208		$	421		$	267,720
Collectively evaluated for impairment	4,028,700			2,680,876			4,517,932			4,158,879			617,922			16,004,309
Loans and leases	$	4,156,665		$	2,728,452		$	4,577,482		$	4,191,087		$	618,343		$	16,272,029

17

Impaired Loans and Leases

The following tables summarize impaired loans and leases:

	At June 30, 2017
(In thousands)	Unpaid Principal Balance		Total Recorded Investment		Recorded Investment No Allowance		Recorded Investment With Allowance		Related Valuation Allowance
Residential	$	129,421	$	117,820	$	27,130	$	90,690	$	5,105
Consumer	52,666		47,310		22,923		24,387		1,829
Commercial	90,351		83,206		25,250		57,956		10,951
Commercial real estate:
Commercial real estate	19,273		18,135		13,086		5,049		239
Commercial construction	645		542		—		542		85
Equipment financing	6,332		6,332		5,736		596		27
Total	$	298,688	$	273,345	$	94,125	$	179,220	$	18,236

	At December 31, 2016
(In thousands)	Unpaid Principal Balance		Total Recorded Investment		Recorded Investment No Allowance		Recorded Investment With Allowance		Related Valuation Allowance
Residential	$	131,468	$	119,424	$	21,068	$	98,356	$	8,090
Consumer	52,432		45,719		22,746		22,973		2,903
Commercial	57,732		53,037		26,006		27,031		7,422
Commercial real estate:
Commercial real estate	24,146		23,568		19,591		3,977		169
Commercial construction	1,188		1,187		1,187		—		—
Equipment financing	6,398		6,420		6,197		223		9
Total	$	273,364	$	249,355	$	96,795	$	152,560	$	18,593

The following table summarizes the average recorded investment and interest income recognized for impaired loans and leases:

	Three months ended June 30,												Six months ended June 30,
	2017						2016						2017						2016
(In thousands)	Average Recorded Investment		Accrued Interest Income		Cash Basis Interest Income		Average Recorded Investment		Accrued Interest Income		Cash Basis Interest Income		Average Recorded Investment		Accrued Interest Income		Cash Basis Interest Income		Average Recorded Investment		Accrued Interest Income		Cash Basis Interest Income
Residential	$	119,398	$	1,036	$	286	$	129,049	$	1,124	$	297	$	118,622	$	2,106	$	701	$	131,207	$	2,239	$	614
Consumer	47,296		335		249		47,836		344		257		46,514		657		562		48,001		693		516
Commercial	85,006		233		—		62,199		475		—		68,122		455		—		58,066		947		—
Commercial real estate:
Commercial real estate	20,454		98		—		28,737		149		—		20,851		233		—		30,575		297		—
Commercial construction	862		—		—		5,177		34		—		865		12		—		5,177		69		—
Equipment financing	6,240		67		—		717		1		—		6,376		138		—		422		2		—
Total	$	279,256	$	1,769	$	535	$	273,715	$	2,127	$	554	$	261,350	$	3,601	$	1,263	$	273,448	$	4,247	$	1,130

18

Credit Quality Indicators. To measure credit risk for the commercial, commercial real estate, and equipment financing portfolios, the Company employs a dual grade credit risk grading system for estimating the probability of borrower default and the loss given default. The credit risk grade system assigns a rating to each borrower and to the facility, which together form a Composite Credit Risk Profile. The credit risk grade system categorizes borrowers by common financial characteristics that measure the credit strength of borrowers and facilities by common structural characteristics. The Composite Credit Risk Profile has ten grades, with each grade corresponding to a progressively greater risk of default. Grades (1) - (6) are considered pass ratings, and (7) - (10) are considered criticized, as defined by the regulatory agencies. Risk ratings, assigned to differentiate risk within the portfolio, are reviewed on an ongoing basis and revised to reflect changes in a borrower's current financial position and outlook, risk profile, and the related collateral and structural position. Loan officers review updated financial information on at least an annual basis for all pass rated loans to assess the accuracy of the risk grade. Criticized loans undergo more frequent reviews and enhanced monitoring.

A (7) "Special Mention" credit has the potential weakness that, if left uncorrected, may result in deterioration of the repayment prospects for the asset. An (8) "Substandard" asset has a well defined weakness that jeopardizes the full repayment of the debt. An asset rated (9) "Doubtful" has all of the same weaknesses as a substandard credit with the added characteristic that the weakness makes collection or liquidation in full, given current facts, conditions, and values, improbable. Assets classified as (10) "Loss" in accordance with regulatory guidelines are considered uncollectible and charged off.

The following table summarizes commercial, commercial real estate and equipment financing loans and leases segregated by risk rating exposure:

	Commercial				Commercial Real Estate				Equipment Financing
(In thousands)	At June 30, 2017		At December 31, 2016		At June 30, 2017		At December 31, 2016		At June 30, 2017		At December 31, 2016
(1) - (6) Pass	$	4,828,252	$	4,655,007	$	4,358,273	$	4,357,458	$	567,168	$	618,084
(7) Special Mention	86,109		56,240		92,245		69,023		3,802		1,324
(8) Substandard	207,831		226,603		105,690		84,365		14,703		16,221
(9) Doubtful	21,979		3,081		—		—		—		—
Total	$	5,144,171	$	4,940,931	$	4,556,208	$	4,510,846	$	585,673	$	635,629

For residential and consumer loans, the Company considers factors such as past due status, updated FICO scores, employment status, collateral, geography, loans discharged in bankruptcy, and the status of first lien position loans on second lien position loans as credit quality indicators. On an ongoing basis for portfolio monitoring purposes, the Company estimates the current value of property secured as collateral for both home equity and residential first mortgage lending products. The estimate is based on home price indices compiled by the S&P/Case-Shiller Home Price Indices. The trend data is applied to the loan portfolios taking into account the age of the most recent valuation and geographic area.

Troubled Debt Restructurings

The following table summarizes information for TDRs:

(Dollars in thousands)	At June 30, 2017		At December 31, 2016
Accrual status	$	136,047	$	147,809
Non-accrual status	87,052		75,719
Total recorded investment of TDRs	$	223,099	$	223,528
Specific reserves for TDRs included in the balance of ALLL	$	12,101	$	14,583
Additional funds committed to borrowers in TDR status	4,819		459

For the three and six months ended June 30, 2017, and 2016, Webster charged off $0.6 million and $2.6 million, and $3.3 million and $14.9 million, respectively, for the portion of TDRs deemed to be uncollectible.

19

The following table provides information on the type of concession for loans and leases modified as TDRs:

	Three months ended June 30,						Six months ended June 30,
	2017			2016			2017			2016
	Number of Loans and Leases	Post- Modification Recorded Investment(1)		Number of Loans and Leases	Post- Modification Recorded Investment(1)		Number of Loans and Leases	Post- Modification Recorded Investment(1)		Number of Loans and Leases	Post- Modification Recorded Investment(1)
(Dollars in thousands)
Residential:
Extended Maturity	4	$	420	2	$	338	9	$	1,390	7	$	1,002
Adjusted Interest Rate	2	335		—	—		2	335		1	236
Maturity/Rate Combined	2	354		7	895		5	846		7	895
Other (2)	7	1,176		8	1,476		26	4,114		15	2,891
Consumer:
Extended Maturity	4	625		6	193		6	664		7	292
Maturity/Rate Combined	4	830		4	359		11	2,813		8	659
Other (2)	10	701		22	839		43	2,894		29	1,177
Commercial:
Extended Maturity	6	778		—	—		8	813		9	14,649
Maturity/Rate Combined	5	8,854		1	644		5	8,854		2	648
Other (2)	—	—		3	64		1	4		7	374
Commercial real estate:
Maturity/Rate Combined	—	—		—	—		—	—		1	444
Other (2)	—	—		—	—		—	—		1	509
Equipment Financing
Extended Maturity	—	—		—	—		—	—		1	4
Total TDRs	44	$	14,073	53	$	4,808	116	$	22,727	95	$	23,780

(1) Post-modification balances approximate pre-modification balances. The aggregate amount of charge-offs as a result of the restructurings was not significant.

(2) Other includes covenant modifications, forbearance, loans discharged under Chapter 7 bankruptcy, or other concessions.

The following table provides information on loans and leases modified as TDRs within the previous 12 months and for which there was a payment default during the periods presented:

	Three months ended June 30,						Six months ended June 30,
	2017			2016			2017			2016
(Dollars in thousands)	Number of Loans and Leases	Recorded Investment		Number of Loans and Leases	Recorded Investment		Number of Loans and Leases	Recorded Investment		Number of Loans and Leases	Recorded Investment
Residential	—	$	—	1	$	54	—	$	—	1	$	54
Consumer	—	—		1	18		—	—		1	18
Commercial	1	23		1	1,363		1	23		1	1,363
Total	1	$	23	3	$	1,435	1	$	23	3	$	1,435

The recorded investment of TDRs in commercial, commercial real estate, and equipment financing segregated by risk rating exposure is as follows:

(In thousands)	At June 30, 2017		At December 31, 2016
(1) - (6) Pass	$	8,241	$	10,210
(7) Special Mention	367		7
(8) Substandard	46,705		45,509
(9) Doubtful	2,656		2,738
Total	$	57,969	$	58,464

20

Note 5: Transfers of Financial Assets

The Company sells financial assets in the normal course of business, primarily residential mortgage loans sold to government-sponsored enterprises through established programs and securitizations. The gain or loss on residential mortgage loans sold and the related origination fee income, and the fair value adjustment to loans held-for-sale are included as mortgage banking activities in the accompanying Condensed Consolidated Statements of Income.

The Company may be required to repurchase a loan in the event of certain breaches of the representations and warranties, or in the event of default of the borrower within 90 days of sale, as provided for in the sale agreements. A reserve for loan repurchases provides for estimated losses pertaining to the potential repurchase of loans associated with the Company’s mortgage banking activities. The reserve reflects management’s evaluation of the identity of the counterparty, the vintage of the loans sold, the amount of open repurchase requests, specific loss estimates for each open request, the current level of loan losses in similar vintages held in the residential loan portfolio, and estimated recoveries on the underlying collateral. The reserve also reflects management’s expectation of losses from repurchase requests for which the Company has not yet been notified, as the performance of loans sold and the quality of the servicing provided by the acquirer also may impact the reserve. The provision recorded at the time of the loan sale is netted from the gain or loss recorded in mortgage banking activities, while any incremental provision, post loan sale, is recorded in other non-interest expense in the accompanying Condensed Consolidated Statements of Income.

The following table provides a summary of activity in the reserve for loan repurchases:

	Three months ended June 30,					Six months ended June 30,
(In thousands)	2017		2016			2017		2016
Beginning balance	$	824	$	1,119		$	790	$	1,192
Provision (benefit) charged to expense	19		(127		)	53		(102		)
Repurchased loans and settlements charged off	—		—			—		(98		)
Ending balance	$	843	$	992		$	843	$	992

The following table provides information for mortgage banking activities:

	Three months ended June 30,				Six months ended June 30,
(In thousands)	2017		2016		2017		2016
Residential mortgage loans held for sale:
Proceeds from sale	$	66,718	$	85,411	$	173,338	$	170,572
Loans sold with servicing rights retained	60,167		78,645		159,667		158,005
Net gain on sale	2,126		1,820		2,377		3,425
Ancillary fees	641		808		1,409		1,439
Fair value option adjustment	584		1,125		1,831		2,149

The Company has retained servicing rights on residential mortgage loans totaling $2.6 billion at both June 30, 2017 and December 31, 2016.

The following table presents the changes in carrying value for mortgage servicing assets:

	Three months ended June 30,				Six months ended June 30,
(In thousands)	2017		2016		2017		2016
Beginning balance	$	24,336	$	21,004	$	24,466	$	20,698
Additions	2,478		2,947		4,487		4,860
Amortization	(2,106)		(2,005)		(4,245)		(3,612)
Ending balance	$	24,708	$	21,946	$	24,708	$	21,946

Loan servicing fees, net of mortgage servicing rights amortization, were $0.2 million and $0.3 million for the three months ended June 30, 2017 and 2016, respectively, and $0.4 million and $0.6 million for the six months ended June 30, 2017 and 2016, respectively, and are included as a component of loan related fees in the accompanying Condensed Consolidated Statements of Income.

See Note 13: Fair Value Measurements for a further discussion on the fair value of loans held for sale and mortgage servicing assets. Additionally, loans not originated for sale were sold approximately at carrying value, for cash proceeds of $7.4 million for certain residential loans and $11.7 million for certain commercial loans for the six months ended June 30, 2017 and 2016, respectively.

21

Note 6: Goodwill and Other Intangible Assets

Goodwill and other intangible assets by reportable segment consisted of the following:

	At June 30, 2017							At December 31, 2016
(In thousands)	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Other intangible assets:
HSA Bank CDI	$	22,000	$	(7,437	)	$	14,563	$	22,000	$	(6,162	)	$	15,838
HSA Bank Customer relationships	21,000		(3,972		)	17,028		21,000		(3,164		)	17,836
Total other intangible assets	$	43,000	$	(11,409	)	$	31,591	$	43,000	$	(9,326	)	$	33,674
Goodwill:
Community Banking						$	516,560						$	516,560
HSA Bank						21,813							21,813
Total goodwill						$	538,373						$	538,373

There was no change in the carrying amounts for goodwill since December 31, 2016.

As of June 30, 2017, the remaining estimated aggregate future amortization expense for intangible assets is as follows:

(In thousands)
Remainder of 2017	$	1,980
2018	3,847
2019	3,847
2020	3,847
2021	3,847
Thereafter	14,223

Note 7: Deposits

A summary of deposits by type follows:

(In thousands)	At June 30, 2017		At December 31, 2016
Non-interest-bearing:
Demand	$	4,074,819	$	4,021,061
Interest-bearing:
Checking	2,669,207		2,528,274
Health savings accounts	4,828,145		4,362,503
Money market	2,316,460		2,047,121
Savings	4,473,925		4,320,090
Time deposits	2,095,541		2,024,808
Total interest-bearing	16,383,278		15,282,796
Total deposits	$	20,458,097	$	19,303,857
Time deposits and interest-bearing checking, included in above balances, obtained through brokers	$	913,234	$	848,618
Time deposits, included in above balance, that meet or exceed the FDIC limit	572,231		490,721
Deposit overdrafts reclassified as loan balances	1,242		1,885

The scheduled maturities of time deposits are as follows:

(In thousands)	At June 30, 2017
Remainder of 2017	$	522,491
2018	715,967
2019	526,115
2020	200,945
2021	107,943
Thereafter	22,080
Total time deposits	$	2,095,541

22

Note 8: Borrowings

Total borrowings of $2.9 billion at June 30, 2017 and $4.0 billion at December 31, 2016 are described in detail below.

The following table summarizes securities sold under agreements to repurchase and other borrowings:

	At June 30, 2017				At December 31, 2016
(In thousands)	Amount		Rate		Amount		Rate
Securities sold under agreements to repurchase:
Original maturity of one year or less	$	310,967	0.17	%	$	340,526	0.16	%
Original maturity of greater than one year, non-callable	400,000		3.04		400,000		3.09
Total securities sold under agreements to repurchase	710,967		1.79		740,526		1.82
Fed funds purchased	161,725		1.13		209,000		0.46
Securities sold under agreements to repurchase and other borrowings	$	872,692	1.66	%	$	949,526	1.53	%

Repurchase agreements are used as a source of borrowed funds and are collateralized by U.S. Government agency mortgage-backed securities. Repurchase agreement counterparties are limited to primary dealers in government securities and commercial/municipal customers through Webster’s Treasury Unit. Dealer counterparties have the right to pledge, transfer, or hypothecate purchased securities during the term of the transaction. The Company has right of offset with respect to all repurchase agreement assets and liabilities. Total securities sold under agreements to repurchase represents the gross amount for these transactions, as only liabilities are outstanding for the periods presented.

The following table provides information for FHLB advances:

	At June 30, 2017				At December 31, 2016
(Dollars in thousands)	Amount		Weighted- Average Contractual Coupon Rate		Amount		Weighted- Average Contractual Coupon Rate
Maturing within 1 year	$	1,105,500	1.21	%	$	2,130,500	0.71	%
After 1 but within 2 years	175,000		1.45		200,000		1.36
After 2 but within 3 years	153,026		1.78		128,026		1.73
After 3 but within 4 years	175,000		1.72		175,000		1.77
After 4 but within 5 years	150,000		2.23		200,000		1.81
After 5 years	9,225		2.59		9,370		2.59
	1,767,751		1.43	%	2,842,896		0.95	%
Premiums on advances	6				12
Federal Home Loan Bank advances	$	1,767,757			$	2,842,908
Aggregate carrying value of assets pledged as collateral	$	5,835,397			$	5,967,318
Remaining borrowing capacity	2,066,318				1,192,758

Webster Bank is in compliance with FHLB collateral requirements for the periods presented. Eligible collateral, primarily certain residential and commercial real estate loans, has been pledged to secure FHLB advances.

The following table summarizes long-term debt:

(Dollars in thousands)		At June 30, 2017			At December 31, 2016
4.375%	Senior fixed-rate notes due February 15, 2024	$	150,000		$	150,000
Junior subordinated debt Webster Statutory Trust I floating-rate notes due September 17, 2033 (1)		77,320			77,320
Total notes and subordinated debt		227,320			227,320
Discount on senior fixed-rate notes		(786		)	(845		)
Debt issuance cost on senior fixed-rate notes		(894		)	(961		)
Long-term debt		$	225,640		$	225,514

(1) The interest rate on Webster Statutory Trust I floating-rate notes, which varies quarterly based on 3-month LIBOR plus 2.95%, was 4.22% at June 30, 2017 and 3.94% at December 31, 2016.

23

Note 9: Accumulated Other Comprehensive Loss, Net of Tax

The following tables summarize the changes in AOCL by component:

	Three months ended June 30, 2017												Six months ended June 30, 2017
(In thousands)	Securities Available For Sale and Transferred			Derivative Instruments			Defined Benefit Pension and Other Postretirement Benefit Plans			Total			Securities Available For Sale and Transferred			Derivative Instruments			Defined Benefit Pension and Other Postretirement Benefit Plans			Total
Beginning balance	$	(17,701	)	$	(15,909	)	$	(43,417	)	$	(77,027	)	$	(15,476	)	$	(17,068	)	$	(44,449	)	$	(76,993	)
OCI/OCL before reclassifications	3,200			(472		)	—			2,728			975			(411		)	—			564
Amounts reclassified from AOCL	—			1,123			1,094			2,217			—			2,221			2,126			4,347
Net current-period OCI/OCL	3,200			651			1,094			4,945			975			1,810			2,126			4,911
Ending balance	$	(14,501	)	$	(15,258	)	$	(42,323	)	$	(72,082	)	$	(14,501	)	$	(15,258	)	$	(42,323	)	$	(72,082	)

	Three months ended June 30, 2016												Six months ended June 30, 2016
(In thousands)	Securities Available For Sale and Transferred			Derivative Instruments			Defined Benefit Pension and Other Postretirement Benefit Plans			Total			Securities Available For Sale and Transferred			Derivative Instruments			Defined Benefit Pension and Other Postretirement Benefit Plans			Total
Beginning balance	$	1,098		$	(23,932	)	$	(47,563	)	$	(70,397	)	$	(6,407	)	$	(22,980	)	$	(48,719	)	$	(78,106	)
OCI/OCL before reclassifications	11,324			(758		)	—			10,566			18,938			(3,210		)	—			15,728
Amounts reclassified from AOCL	(59		)	1,284			1,095			2,320			(168		)	2,784			2,251			4,867
Net current-period OCI/OCL	11,265			526			1,095			12,886			18,770			(426		)	2,251			20,595
Ending balance	$	12,363		$	(23,406	)	$	(46,468	)	$	(57,511	)	$	12,363		$	(23,406	)	$	(46,468	)	$	(57,511	)

The following tables provide information for the items reclassified from AOCL:

(In thousands)	Three months ended June 30,						Six months ended June 30,						Associated Line Item in the Condensed Consolidated Statements of Income
AOCL Components	2017			2016			2017			2016
Securities available-for-sale and transferred:
Unrealized gains (losses) on investment securities	$	—		$	94		$	—		$	414		Gain on sale of investment securities, net
Unrealized gains (losses) on investment securities	—			—			—			(149		)	Impairment loss recognized in earnings
Total before tax	—			94			—			265
Tax benefit (expense)	—			(35		)	—			(97		)	Income tax expense
Net of tax	$	—		$	59		$	—		$	168
Derivative instruments:
Cash flow hedges	$	(1,771	)	$	(2,024	)	$	(3,506	)	$	(4,389	)	Total interest expense
Tax benefit	648			740			1,285			1,605			Income tax expense
Net of tax	$	(1,123	)	$	(1,284	)	$	(2,221	)	$	(2,784	)
Defined benefit pension and other postretirement benefit plans:
Amortization of net loss	$	(1,734	)	$	(1,734	)	$	(3,372	)	$	(3,563	)	(1)
Prior service costs	—			(3		)	—			(7		)	(1)
Total before tax	(1,734		)	(1,737		)	(3,372		)	(3,570		)
Tax benefit	640			642			1,246			1,319			Income tax expense
Net of tax	$	(1,094	)	$	(1,095	)	$	(2,126	)	$	(2,251	)

(1) These accumulated other comprehensive loss components are included in the computation of net periodic benefit cost (see Note 14 - Retirement Benefit Plans for further details).

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Note 10: Regulatory Matters

Capital Requirements

Webster Financial Corporation is subject to regulatory capital requirements administered by the Federal Reserve System, while Webster Bank is subject to regulatory capital requirements administered by the OCC. Regulatory authorities can initiate certain mandatory actions if Webster Financial Corporation or Webster Bank fail to meet minimum capital requirements, which could have a direct material effect on the Company’s financial statements. Under capital adequacy guidelines and the regulatory framework for prompt corrective action, both Webster Financial Corporation and Webster Bank must meet specific capital guidelines that involve quantitative measures of assets, liabilities, and certain off-balance sheet items calculated under regulatory accounting practices. These quantitative measures require minimum amounts and ratios to ensure capital adequacy.

Basel III total risk-based capital is comprised of three categories: CET1 capital, additional Tier 1 capital, and Tier 2 capital. CET1 capital includes common shareholders' equity, less deductions for goodwill, other intangibles, and certain deferred tax liabilities. Common shareholders' equity, for purposes of CET1 capital, excludes AOCL components as permitted by the opt-out election taken by Webster upon adoption of Basel III. Tier 1 capital is comprised of CET1 capital plus perpetual preferred stock, while Tier 2 capital includes qualifying subordinated debt and qualifying allowance for credit losses, that together equal total capital.

The following table provides information on the capital ratios for Webster Financial Corporation and Webster Bank:

	At June 30, 2017
	Actual				Minimum Requirement				Well Capitalized
(Dollars in thousands)	Amount		Ratio		Amount		Ratio		Amount		Ratio
Webster Financial Corporation
CET1 risk-based capital	$	2,000,421	10.84	%	$	830,190	4.5	%	$	1,199,163	6.5	%
Total risk-based capital	2,402,573		13.02		1,475,893		8.0		1,844,867		10.0
Tier 1 risk-based capital	2,123,131		11.51		1,106,920		6.0		1,475,893		8.0
Tier 1 leverage capital	2,123,131		8.28		1,025,965		4.0		1,282,457		5.0
Webster Bank
CET1 risk-based capital	$	2,042,747	11.08	%	$	829,365	4.5	%	$	1,197,972	6.5	%
Total risk-based capital	2,244,869		12.18		1,474,427		8.0		1,843,034		10.0
Tier 1 risk-based capital	2,042,747		11.08		1,105,821		6.0		1,474,427		8.0
Tier 1 leverage capital	2,042,747		7.97		1,025,265		4.0		1,281,581		5.0

	At December 31, 2016
	Actual				Minimum Requirement				Well Capitalized
(Dollars in thousands)	Amount		Ratio		Amount		Ratio		Amount		Ratio
Webster Financial Corporation
CET1 risk-based capital	$	1,932,171	10.52	%	$	826,504	4.5	%	$	1,193,840	6.5	%
Total risk-based capital	2,328,808		12.68		1,469,341		8.0		1,836,677		10.0
Tier 1 risk-based capital	2,054,881		11.19		1,102,006		6.0		1,469,341		8.0
Tier 1 leverage capital	2,054,881		8.13		1,010,857		4.0		1,263,571		5.0
Webster Bank
CET1 risk-based capital	$	1,945,332	10.61	%	$	825,228	4.5	%	$	1,191,995	6.5	%
Total risk-based capital	2,141,939		11.68		1,467,071		8.0		1,833,839		10.0
Tier 1 risk-based capital	1,945,332		10.61		1,100,304		6.0		1,467,071		8.0
Tier 1 leverage capital	1,945,332		7.70		1,010,005		4.0		1,262,507		5.0

Dividend Restrictions

Webster Financial Corporation is dependent upon dividends from Webster Bank to provide funds for its cash requirements, including payments of dividends to shareholders. Banking regulations may limit the amount of dividends that may be paid. Approval by regulatory authorities is required if the effect of dividends declared would cause the regulatory capital of Webster Bank to fall below specified minimum levels, or if dividends declared exceed the net income for that year combined with the undistributed net income for the preceding two years. In addition, the OCC has discretion to prohibit any otherwise permitted capital distribution on general safety and soundness grounds. Dividends paid by Webster Bank to Webster Financial Corporation totaled $30 million during the six months ended June 30, 2017 compared to $85 million during the six months ended June 30, 2016.

Cash Restrictions

Webster Bank is required by Federal Reserve System regulations to hold cash reserve balances on hand or with the Federal Reserve Bank. Pursuant to this requirement, Webster Bank held $71.0 million and $58.6 million at June 30, 2017 and December 31, 2016, respectively.

25

Note 11: Earnings Per Common Share

Reconciliation of the calculation of basic and diluted earnings per common share follows:

	Three months ended June 30,				Six months ended June 30,
(In thousands, except per share data)	2017		2016		2017		2016
Earnings for basic and diluted earnings per common share:
Net income	$	61,579	$	50,603	$	121,050	$	97,650
Less: Preferred stock dividends	2,024		2,024		4,048		4,048
Net income available to common shareholders	59,555		48,579		117,002		93,602
Less: Earnings applicable to participating securities	70		181		176		320
Earnings applicable to common shareholders	$	59,485	$	48,398	$	116,826	$	93,282
Shares:
Weighted-average common shares outstanding - basic	92,092		91,244		91,989		91,247
Effect of dilutive securities:
Stock options and restricted stock	397		475		475		453
Warrants	6		26		6		26
Weighted-average common shares outstanding - diluted	92,495		91,745		92,470		91,726
Earnings per common share:
Basic	$	0.65	$	0.53	$	1.27	$	1.02
Diluted	0.64		0.53		1.26		1.02

Potential common shares excluded from the effect of dilutive securities because they would have been anti-dilutive, are as follows:

	Three months ended June 30,		Six months ended June 30,
(In thousands)	2017	2016	2017	2016
Stock options (shares with exercise price greater than market price)	—	172	—	172
Restricted stock (due to performance conditions on non-participating shares)	79	194	60	188

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Note 12: Derivative Financial Instruments

Risk Management Objective of Using Derivatives

Webster manages economic risks, such as interest rate, liquidity, and credit risks by managing the amount, sources, and duration of its debt funding in conjunction with the use of interest rate derivative financial instruments. Webster enters into interest rate derivatives to mitigate the exposure related to business activities that result in the future receipt or payment of, both known and uncertain, cash amounts that are impacted by interest rates. The primary objective for using interest rate derivatives is to add stability to interest expense by managing exposure to interest rate movements. To accomplish this objective, Webster uses interest rate swaps and interest rate caps as part of its interest rate risk management strategy.

Interest rate swaps and interest rate caps designated as cash flow hedges are designed to manage the risk associated with a forecasted event or an uncertain variable-rate cash flow. Forward-settle interest rate swaps protect the Company against adverse fluctuations in interest rates by reducing its exposure to variability in cash flows relating to interest payments on forecasted debt issuances. Interest rate swaps designated as cash flow hedges involve the receipt of variable amounts from a counterparty in exchange for the Company making fixed-rate payments over the life of the agreements without exchange of the underlying notional amount. Interest rate caps designated as cash flow hedges involve the receipt of variable amounts from a counterparty if interest rates rise above the strike rate on the contract in exchange for payment of an up-front premium.

Cash flow hedges are used to regulate the variable cash flows associated with existing variable-rate debt and forecasted issuances of debt. Derivative instruments designated as cash flow hedges are recorded on the balance sheet at fair value. The effective portion of the change in fair value of the derivatives which are designated as cash flow hedges, and that qualify for hedge accounting, is recorded to AOCL and is reclassified into earnings in the subsequent periods that the hedged forecasted transaction affects earnings. The ineffective portion of the change in fair value of these derivatives, attributable to the difference in the effective date of the hedge and the effective date of the debt issuance, is recognized directly in earnings. During the periods presented, there was no ineffectiveness to be recognized in earnings.

Certain fixed-rate obligations can be exposed to a change in fair value attributable to changes in benchmark interest rates. On occasion, interest rate swaps will be used to manage this exposure. An interest rate swap which involves the receipt of fixed-rate amounts from a counterparty in exchange for Webster making variable-rate payments over the life of the agreement, without the exchange of the underlying notional amount, is designated as a fair value hedge. For a qualifying derivative designated as a fair value hedge, the gain or loss on the derivative, as well as the gain or loss on the hedged item, is recognized in interest expense. During the periods presented, Webster did not have any interest rate derivative financial instruments designated as fair value hedges and as a result, there was no impact to interest expense.

Additionally, in order to address certain other risk management matters, the Company also utilizes derivative instruments that do not qualify for hedge accounting. These derivative instruments, which are recorded on the balance sheet at fair value, with changes in fair value recognized each period as other non-interest income in the accompanying Condensed Consolidated Statements of Income, are described in the following paragraphs.

Interest rate swap and cap contracts are sold to commercial and other customers who wish to modify loan interest rate sensitivity. These contracts are offset with dealer counterparty transactions structured with matching terms. As a result, there is minimal impact on earnings, except for fee income earned in such transactions.

RPAs are entered into as financial guarantees of performance on interest rate swap derivatives. The purchased (asset) or sold (liability) guarantee allows the Company to participate-in (fee received) or participate-out (fee paid) the risk associated with certain derivative positions executed with the borrower by the lead bank in a loan syndication.

Other derivatives include foreign currency forward contracts related to lending arrangements, a VISA equity swap transaction, and mortgage banking derivatives such as mortgage-backed securities related to residential loan commitments and loans held for sale. Mortgage banking derivatives are utilized by Webster in its efforts to manage risk of loss associated with its mortgage loan commitments and mortgage loans held for sale. Prior to closing and funding certain single-family residential mortgage loans interest rate lock commitments are generally extended to the borrowers. During the period from commitment date to closing date, Webster is subject to the risk that market rates of interest may change. If market rates rise, investors generally will pay less to purchase such loans causing a reduction in the anticipated gain on sale of the loans, or possibly resulting in a loss. In an effort to mitigate such risk, forward delivery sales commitments are established under which Webster agrees to deliver whole mortgage loans to various investors or issue mortgage-backed securities. Mandatory forward commitments establish the price to be received upon the sale of the related mortgage loan, thereby mitigating certain interest rate risk. There is, however, still certain execution risk specifically related to Webster’s ability to close and deliver to its investors the mortgage loans it has committed to sell.

27

Fair Value of Derivative Instruments

The following table presents the notional amounts and fair values of derivative positions:

	At June 30, 2017								At December 31, 2016
	Asset Derivatives				Liability Derivatives				Asset Derivatives				Liability Derivatives
(In thousands)	Notional Amounts		Fair Value		Notional Amounts		Fair Value		Notional Amounts		Fair Value		Notional Amounts		Fair Value
Designated as hedging instruments:
Positions subject to a master netting agreement (1)
Interest rate derivatives	$	225,000	$	2,198	$	100,000	$	367	$	225,000	$	3,270	$	100,000	$	792
Not designated as hedging instruments:
Positions subject to a master netting agreement (1)
Interest rate derivatives	2,132,888		6,740		1,205,406		4,224		1,943,485		32,226		1,242,937		24,388
Other	3,566		109		22,588		395		10,634		231		14,265		120
Positions not subject to a master netting agreement
Interest rate derivatives	1,822,285		38,495		1,516,009		15,915		1,734,679		38,668		1,451,762		19,001
RPAs	85,447		119		97,528		145		86,037		139		87,273		166
Mortgage banking derivatives (2)	88,120		998		52,491		293		103,440		3,084		59,895		711
Other	—		—		1,857		106		1,438		19		181		11
Total not designated as hedging instruments	4,132,306		46,461		2,895,879		21,078		3,879,713		74,367		2,856,313		44,397
Gross derivative instruments, before netting	$	4,357,306	48,659		$	2,995,879	21,445		$	4,104,713	77,637		$	2,956,313	45,189
Less: Legally enforceable master netting agreements			3,802				3,802				24,252				24,254
Less: Cash collateral posted			1,680				999				11,475				600
Total derivative instruments, after netting			$	43,177			$	16,644			$	41,910			$	20,335

(1) One of Webster's counterparty relationships was impacted by a Chicago Mercantile Exchange rulebook amendment, resulting in the presentation of that relationship on a settlement basis, as a single unit of account at June 30, 2017, versus a netting basis at December 31, 2016.

(2) Notional amounts include mandatory forward commitments of $77.9 million, while notional amounts do not include approved floating rate commitments of $22.8 million, at June 30, 2017.

Changes in Fair Value

Changes in the fair value of derivatives not qualifying for hedge accounting treatment were recognized as follows:

	Three months ended June 30,						Six months ended June 30,
(In thousands)	2017			2016			2017			2016
Interest rate derivatives	$	30		$	3,574		$	279		$	5,907
RPAs	53			(167		)	106			(253		)
Mortgage banking derivatives	374			(162		)	(1,667		)	(363		)
Other	(283		)	216			(627		)	(297		)
Total impact on other non-interest income	$	174		$	3,461		$	(1,909	)	$	4,994

Amounts for the effective portion of changes in the fair value of derivatives qualifying for hedge accounting treatment are reclassified to interest expense as interest payments are made on Webster's variable-rate debt. Over the next twelve months, the Company estimates that $1.3 million will be reclassified from AOCL as an increase to interest expense.

Webster records gains and losses related to hedge terminations to AOCL. These balances are subsequently amortized into interest expense over the respective terms of the hedged debt instruments. At June 30, 2017, the remaining unamortized loss on the termination of cash flow hedges is $18.1 million. Over the next twelve months, the Company estimates that $6.3 million will be reclassified from AOCL as an increase to interest expense.

Additional information about cash flow hedge activity impacting AOCL, and the related amounts reclassified to interest expense is provided in Note 9: Accumulated Other Comprehensive Loss, Net of Tax. Information about the valuation methods used to measure the fair value of derivatives is provided in Note 13: Fair Value Measurements.

28

Offsetting Derivatives

Webster has entered into transactions with counterparties that are subject to a legally enforceable master netting agreement. Derivatives subject to a legally enforceable master netting agreement are reported on a net basis, net of cash collateral. Net gain positions are recorded as assets and are included in accrued interest receivable and other assets, while, net loss positions are recorded as liabilities and are included in accrued expenses and other liabilities, in the accompanying Condensed Consolidated Balance Sheets.

The following table is presented on a gross basis, prior to the application of counterparty netting agreements:

	At June 30, 2017								At December 31, 2016
(In thousands)	Gross Amount		Relationship Offset		Cash Collateral Offset		Net Amount		Gross Amount		Relationship Offset		Cash Collateral Offset		Net Amount
Derivative instrument gains:
Hedge accounting	$	2,198	$	1,046	$	398	$	754	$	3,270	$	2,335	$	935	$	—
Non-hedge accounting	4,319		2,756		1,282		281		32,457		21,917		10,540		—
Total assets	$	6,517	$	3,802	$	1,680	$	1,035	$	35,727	$	24,252	$	11,475	$	—
Derivative instrument losses:
Hedge accounting	$	367	$	367	$	—	$	—	$	792	$	792	$	—	$	—
Non-hedge accounting	4,620		3,435		999		186		24,508		23,462		600		446
Total liabilities	$	4,987	$	3,802	$	999	$	186	$	25,300	$	24,254	$	600	$	446

Counterparty Credit Risk

Use of derivative contracts may expose the bank to counterparty credit risk. The Company has ISDA master agreements, including a Credit Support Annex, with all derivative counterparties. The ISDA master agreements provide that on each payment date, all amounts otherwise owing the same currency under the same transaction are netted so that only a single amount is owed in that currency. The ISDA provides, if the parties so elect, for such netting of amounts in the same currency among all transactions identified as being subject to such election that have common payment dates and booking offices. Under the Credit Support Annex, daily net exposure in excess of a negotiated threshold is secured by posted cash collateral. The Company has negotiated a zero threshold with the majority of its approved financial institution counterparties. In accordance with Webster policies, institutional counterparties must be analyzed and approved through the Company’s credit approval process.

The Company’s credit exposure on interest rate derivatives with non-dealer counterparties is limited to the net favorable value, including accrued interest, of all such instruments, reduced by the amount of collateral pledged by the counterparties. The Company's credit exposure related to derivatives with dealer counterparties is significantly mitigated with cash collateral equal to, or in excess of, the market value of the instrument updated daily.

In accordance with counterparty credit agreements and derivative clearing rules, the Company had approximately $28.1 million in net margin collateral posted with financial counterparties at June 30, 2017, comprised of $30.7 million in initial margin and $2.6 million in variation margin collateral received from financial counterparties or the derivative clearing organization. Collateral levels for approved financial institution counterparties are monitored daily and adjusted as necessary. In the event of default, should the collateral not be returned, the exposure would be offset by terminating the transaction.

The Company regularly evaluates the credit risk of its counterparties, taking into account the likelihood of default, net exposures, and remaining contractual life, among other related factors. The Company's net current credit exposure relating to interest rate derivatives with Webster Bank customers was $38.5 million at June 30, 2017. In addition, the Company monitors potential future exposure, representing its best estimate of exposure to remaining contractual maturity. The potential future exposure relating to interest rate derivatives with Webster Bank customers totaled $27.4 million at June 30, 2017. Credit risk exposure is mitigated as transactions with customers are generally secured by the same collateral of the underlying transactions being hedged.

29

Note 13: Fair Value Measurements

Fair value is the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. Fair value is best determined using quoted market prices. However, in many instances, quoted market prices are not available. In such instances, fair values are determined using appropriate valuation techniques. Various assumptions and observable inputs must be relied upon in applying these techniques. Accordingly, categorization within the valuation hierarchy is based upon the lowest level of input that is significant to the fair value measurement. As such, the fair value estimates may not be realized in an immediate transfer of the respective asset or liability.

Fair value estimates are made at a specific point in time, based on relevant market information and information about the financial instrument. These estimates do not reflect any premium or discount that could result from offering for sale at one time the entire holdings or any part of a particular financial instrument. Fair value estimates are based on judgments regarding future expected loss experience, current economic conditions, risk characteristics of various financial instruments, and other factors. These factors are subjective in nature and involve uncertainties and matters of significant judgment and, therefore, cannot be determined with precision. Changes in assumptions could significantly affect the estimates.

Fair Value Hierarchy

The three levels within the fair value hierarchy are as follows:

• Level 1: Valuation is based upon unadjusted quoted prices in active markets for identical assets or liabilities that the reporting entity has the ability to access at the measurement date.

• Level 2: Fair value is calculated using significant inputs other than quoted market prices that are directly or indirectly observable for the asset or liability. The valuation may rely on quoted prices for similar assets or liabilities in active markets, quoted prices for identical or similar assets or liabilities in inactive markets, inputs other than quoted prices that are observable for the asset or liability (such as interest rates, volatilities, prepayment speeds, credit ratings, etc.), or inputs that are derived principally or corroborated by market data, by correlation, or other means.

• Level 3: Inputs for determining the fair value of the respective assets or liabilities are not observable. Level 3 valuations are reliant upon pricing models and techniques that require significant management judgment or estimation.

Assets and Liabilities Measured at Fair Value on a Recurring Basis

Available-for-Sale Investment Securities. When quoted prices are available in an active market, the Company classifies investment securities within Level 1 of the valuation hierarchy. U.S. Treasury Bills are classified within Level 1 of the fair value hierarchy.

When quoted market prices are not available, the Company employs an independent pricing service that utilizes matrix pricing to calculate fair value. Such fair value measurements consider observable data such as dealer quotes, market spreads, cash flows, yield curves, live trading levels, trade execution data, market consensus prepayments speeds, credit information, and respective terms and conditions for debt instruments. Management maintains procedures to monitor the pricing service's assumptions and establishes processes to challenge the pricing service's valuations that appear unusual or unexpected. Available-for-Sale investment securities which include Agency CMO, Agency MBS, Agency CMBS, CMBS, CLO, trust preferred, and corporate debt, are classified within Level 2 of the fair value hierarchy.

Derivative Instruments. Foreign exchange contracts are valued based on unadjusted quoted prices in active markets and classified within Level 1 of the fair value hierarchy. Derivative instruments are valued using third-party valuation software, which considers the present value of cash flows discounted using observable forward rate assumptions. The Chicago Mercantile Exchange have amended their rulebooks to legally characterize variation margin payments for over-the-counter derivatives that clear as settlements rather than collateral, effective January 3, 2017. One of Webster's counterparty relationships was impacted by this change, resulting in the fair value of the instrument including cash collateral as a single unit of account.

The resulting fair values are validated against valuations performed by independent third parties and are classified within Level 2 of the fair value hierarchy. In determining if any fair value adjustment related to credit risk is required, Webster evaluates the credit risk of its counterparties by considering factors such as the likelihood of default by the counterparties, its net exposures, the remaining contractual life, as well as the amount of collateral securing the position. Webster reviews its counterparty exposure on a regular basis, and, when necessary, appropriate business actions are taken to adjust the exposure. When determining fair value, Webster applies the portfolio exception with respect to measuring counterparty credit risk for all of its derivative transactions subject to a master netting arrangement. The change in value of derivative assets and liabilities attributable to credit risk was not significant during the reported periods.

30

Mortgage Banking Derivatives. Forward sales of mortgage loans and mortgage-backed securities are utilized by the Company in its efforts to manage risk of loss associated with its mortgage loan commitments and mortgage loans held for sale. Prior to closing and funding certain single-family residential mortgage loans, an interest rate lock commitment is generally extended to the borrower. During the period from commitment date to closing date, the Company is subject to the risk that market rates of interest may change. If market rates rise, investors generally will pay less to purchase such loans resulting in a reduction in the gain on sale of the loans or, possibly, a loss. In an effort to mitigate such risk, forward delivery sales commitments are established, under which the Company agrees to deliver whole mortgage loans to various investors or issue mortgage-backed securities. The fair value of mortgage banking derivatives is determined based on current market prices for similar assets in the secondary market and, therefore, classified within Level 2 of the fair value hierarchy.

Investments Held in Rabbi Trust. Investments held in the Rabbi Trust primarily include mutual funds that invest in equity and fixed income securities. Shares of mutual funds are valued based on net asset value, which represents quoted market prices for the underlying shares held in the mutual funds. Therefore, investments held in the Rabbi Trust are classified within Level 1 of the fair value hierarchy. Webster has elected to measure the investments held in the Rabbi Trust at fair value. The cost basis of the investments held in the Rabbi Trust is $2.9 million at June 30, 2017.

Alternative Investments. Alternative investments are non-public entities that cannot be redeemed since the Company’s investment is distributed as the underlying equity is liquidated. Alternative investments in which the ownership percentage is greater than 3% are fair valued on a recurring basis based upon the net asset value of the respective fund. Alternative investments in which the ownership percentage is less than 3% are fair valued on a non-recurring basis. These alternative investments are recorded at cost, subject to impairment testing. Both recurring and non-recurring alternative investments are classified within Level 3 of the fair value hierarchy, as they are non-public entities that cannot be redeemed since the Company's investment is distributed as the underlying investments are liquidated. At June 30, 2017, the alternative investments book value was $16.5 million and there was $9.1 million in remaining unfunded commitments.

Originated Loans Held For Sale. Residential mortgage loans typically are classified as held for sale upon origination based on management's intent to sell such loans. The Company generally records residential mortgage loans held for sale under the fair value option of ASC 820 "Fair Value Measurement". The fair value of residential mortgage loans held for sale is based on quoted market prices of similar loans sold in conjunction with securitization transactions. Accordingly, such loans are classified within Level 2 of the fair value hierarchy.

31

Summaries of the fair values of assets and liabilities measured at fair value on a recurring basis are as follows:

	At June 30, 2017
(In thousands)	Level 1		Level 2		Level 3		Total
Financial assets held at fair value:
U.S. Treasury Bills	$	3,843	$	—	$	—	$	3,843
Agency CMO	—		359,016		—		359,016
Agency MBS	—		875,690		—		875,690
Agency CMBS	—		587,102		—		587,102
CMBS	—		479,908		—		479,908
CLO	—		363,125		—		363,125
Trust preferred	—		31,202		—		31,202
Corporate debt	—		108,080		—		108,080
Total available-for-sale investment securities	3,843		2,804,123		—		2,807,966
Gross derivative instruments, before netting (1)	109		48,550		—		48,659
Investments held in Rabbi Trust	5,083		—		—		5,083
Alternative investments	—		—		6,587		6,587
Originated loans held for sale	—		39,407		—		39,407
Total financial assets held at fair value	$	9,035	$	2,892,080	$	6,587	$	2,907,702
Financial liabilities held at fair value:
Gross derivative instruments, before netting (1)	$	489	$	20,956	$	—	$	21,445

	At December 31, 2016
(In thousands)	Level 1		Level 2		Level 3		Total
Financial assets held at fair value:
U.S. Treasury Bills	$	734	$	—	$	—	$	734
Agency CMO	—		419,706		—		419,706
Agency MBS	—		954,349		—		954,349
Agency CMBS	—		573,272		—		573,272
CMBS	—		477,365		—		477,365
CLO	—		427,390		—		427,390
Trust preferred	—		28,633		—		28,633
Corporate debt	—		109,642		—		109,642
Total available-for-sale investment securities	734		2,990,357		—		2,991,091
Gross derivative instruments, before netting (1)	250		77,387		—		77,637
Investments held in Rabbi Trust	5,119		—		—		5,119
Alternative investments	—		—		5,502		5,502
Originated loans held for sale	—		60,260		—		60,260
Total financial assets held at fair value	$	6,103	$	3,128,004	$	5,502	$	3,139,609
Financial liabilities held at fair value:
Gross derivative instruments, before netting (1)	$	120	$	45,069	$	—	$	45,189

(1) For information relating to the impact of netting derivative assets and derivative liabilities as well as the impact from offsetting cash collateral paid to the same derivative counterparties see Note 12: Derivative Financial Instruments.

The following table presents the changes in Level 3 assets and liabilities that are measured at fair value on a recurring basis:

(In thousands)	Alternative Investments
Balance at January 1, 2017	$	5,502
Unrealized gain included in net income	228
Purchases/capital funding	899
Payments	(42		)
Balance at June 30, 2017	$	6,587

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Assets Measured at Fair Value on a Non-Recurring Basis

Certain assets are measured at fair value on a non-recurring basis; that is, the assets are not measured at fair value on an ongoing basis but are subject to fair value adjustments in certain circumstances, for example, when there is evidence of impairment. The following is a description of valuation methodologies used for assets measured on a non-recurring basis.

Transferred Loans Held For Sale. Certain loans are transferred to loans held for sale once a decision has been made to sell such loans. These loans are accounted for at the lower of cost or market and are considered to be recognized at fair value when they are recorded at below cost. This activity is primarily commercial loans with observable inputs and is classified within Level 2. On the occasion should these loans include adjustments for changes in loan characteristics using unobservable inputs, the loans would be classified within Level 3.

Collateral Dependent Impaired Loans and Leases. Impaired loans and leases for which repayment is expected to be provided solely by the value of the underlying collateral are considered collateral dependent and are valued based on the estimated fair value of such collateral using customized discounting criteria. As such, collateral dependent impaired loans and leases are classified as Level 3 of the fair value hierarchy.

Other Real Estate Owned and Repossessed Assets. The total book value of OREO and repossessed assets was $4.0 million at June 30, 2017. OREO and repossessed assets are accounted for at the lower of cost or market and are considered to be recognized at fair value when they are recorded at below cost. The fair value of OREO is based on independent appraisals or internal valuation methods, less estimated selling costs. The valuation may consider available pricing guides, auction results, and price opinions. Certain assets require assumptions about factors that are not observable in an active market in the determination of fair value; as such, OREO and repossessed assets are classified within Level 3 of the fair value hierarchy.

The table below presents the valuation methodology and unobservable inputs for Level 3 assets measured at fair value on a non-recurring basis as of June 30, 2017:

(Dollars in thousands)
Asset	Fair Value		Valuation Methodology	Unobservable Inputs	Range of Inputs
Collateral dependent impaired loans and leases	$	18,724	Real Estate Appraisals	Discount for appraisal type	0%	-	30%
				Discount for costs to sell	8%	-	15%
OREO	$	757	Real Estate Appraisals	Discount for appraisal type	0%	-	20%
				Discount for costs to sell	8%

Fair Value of Financial Instruments and Servicing Assets

The Company is required to disclose the estimated fair value of financial instruments, both assets and liabilities, for which it is practicable to estimate fair value. The following is a description of valuation methodologies used for those assets and liabilities.

Cash, Due from Banks, and Interest-bearing Deposits. The carrying amount of cash, due from banks, and interest-bearing deposits is used to approximate fair value, given the short time frame to maturity and, as such, these assets do not present unanticipated credit concerns. Cash, due from banks, and interest-bearing deposits are classified within Level 1 of the fair value hierarchy.

Held-to-Maturity Investment Securities. When quoted market prices are not available, the Company employs an independent pricing service that utilizes matrix pricing to calculate fair value. Such fair value measurements consider observable data such as dealer quotes, market spreads, cash flows, yield curves, live trading levels, trade execution data, market consensus prepayments speeds, credit information, and respective terms and conditions for debt instruments. Management maintains procedures to monitor the pricing service's assumptions and establishes processes to challenge the pricing service's valuations that appear unusual or unexpected. Held-to-Maturity investment securities, which include Agency CMO, Agency MBS, Agency CMBS, CMBS, municipal bonds and notes, and private label MBS securities, are classified within Level 2 of the fair value hierarchy.

Loans and Leases, net. The estimated fair value of loans and leases held for investment is calculated using a discounted cash flow method, using future prepayments and market interest rates inclusive of an illiquidity premium for comparable loans and leases. The associated cash flows are adjusted for credit and other potential losses. Fair value for impaired loans and leases is estimated using the net present value of the expected cash flows. Loans and leases are classified within Level 3 of the fair value hierarchy.

Deposit Liabilities. The fair value of demand deposits, savings accounts, and certain money market deposits is the amount payable on demand at the reporting date. Deposit liabilities are classified within Level 2 of the fair value hierarchy.

Time Deposits. The fair value of a fixed-maturity certificate of deposit is estimated using the rates currently offered for deposits of similar remaining maturities. Time deposits are classified within Level 2 of the fair value hierarchy.

33

Securities Sold Under Agreements to Repurchase and Other Borrowings. The carrying value is an estimate of fair value for those securities sold under agreements to repurchase and other borrowings that mature within 90 days. The fair values of all other borrowings are estimated using discounted cash flow analysis based on current market rates adjusted, as appropriate, for associated credit risks. Securities sold under agreements to repurchase and other borrowings are classified within Level 2 of the fair value hierarchy.

Federal Home Loan Bank Advances and Long-Term Debt. The fair value of FHLB advances and long-term debt is estimated using a discounted cash flow technique. Discount rates are matched with the time period of the expected cash flow and are adjusted, as appropriate, to reflect credit risk. FHLB advances and long-term debt are classified within Level 2 of the fair value hierarchy.

Mortgage Servicing Assets. Mortgage servicing assets are accounted for at cost, subject to impairment testing. Mortgage servicing assets are considered to be recognized at fair value when they are recorded at below cost. Changes in fair value are included as a component of other non-interest income in the accompanying Condensed Consolidated Statements of Income. Fair value is calculated as the present value of estimated future net servicing income and relies on market based assumptions for loan prepayment speeds, servicing costs, discount rates, and other economic factors; as such, the primary risk inherent in valuing mortgage servicing assets is the impact of fluctuating interest rates on the servicing revenue stream. Mortgage servicing assets are classified within Level 3 of the fair value hierarchy.

The estimated fair values of selected financial instruments and servicing assets are as follows:

	At June 30, 2017				At December 31, 2016
(In thousands)	Carrying Amount		Fair Value		Carrying Amount		Fair Value
Assets:
Level 2
Held-to-maturity investment securities	$	4,219,198	$	4,197,378	$	4,160,658	$	4,125,125
Transferred loans held for sale	—		—		7,317		7,444
Level 3
Loans and leases, net	17,074,100		16,928,626		16,832,268		16,678,106
Mortgage servicing assets	24,708		44,406		24,466		52,075
Alternative investments	9,882		11,644		11,034		13,189
Liabilities:
Level 2
Deposit liabilities	$	18,362,556	$	18,362,556	$	17,279,049	$	17,279,049
Time deposits	2,095,541		2,092,851		2,024,808		2,024,395
Securities sold under agreements to repurchase and other borrowings	872,692		876,289		949,526		955,660
FHLB advances (1)	1,767,757		1,774,605		2,842,908		2,825,101
Long-term debt (1)	225,640		240,959		225,514		225,514

(1) The following adjustments to the carrying amount are not included for determination of fair value, see Note 8: Borrowings:

•FHLB advances - unamortized premiums on advances

•Long-term debt - unamortized discount and debt issuance cost on senior fixed-rate notes

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Note 14: Retirement Benefit Plans

Defined benefit pension and other postretirement benefits

The following table summarizes the components of net periodic benefit cost:

	Three months ended June 30,
	2017							2016
(In thousands)	Pension Plan			SERP		Other Benefits		Pension Plan			SERP		Other Benefits
Service cost	$	13		$	—	$	—	$	11		$	—	$	—
Interest cost on benefit obligations	1,844			93		25		2,123			97		31
Expected return on plan assets	(3,075		)	—		—		(2,964		)	—		—
Amortization of prior service cost	—			—		—		—			—		3
Recognized net loss	1,515			212		7		1,642			83		9
Net periodic benefit cost	$	297		$	305	$	32	$	812		$	180	$	43

	Six months ended June 30,
	2017							2016
(In thousands)	Pension Plan			SERP		Other Benefits		Pension Plan			SERP		Other Benefits
Service cost	$	25		$	—	$	—	$	23		$	—	$	—
Interest cost on benefit obligations	3,657			185		50		4,221			194		62
Expected return on plan assets	(6,148		)	—		—		(5,529		)	—		—
Amortization of prior service cost	—			—		—		—			—		7
Recognized net loss	2,932			425		15		3,332			213		18
Net periodic benefit cost	$	466		$	610	$	65	$	2,047		$	407	$	87

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Note 15: Share-Based Plans

Stock compensation plans

Webster maintains stock compensation plans under which non-qualified stock options, incentive stock options, restricted stock, restricted stock units, or stock appreciation rights may be granted to employees and directors. The Company believes these share awards better align the interests of its employees with those of its shareholders. Stock compensation cost is recognized over the required service vesting period for the awards, based on the grant-date fair value, net of estimated forfeitures, and is included as a component of compensation and benefits reflected in non-interest expense.

The following table provides a summary of stock compensation expense recognized in the accompanying Condensed Consolidated Statements of Income:

	Three months ended June 30,				Six months ended June 30,
(In thousands)	2017		2016		2017		2016
Stock options	$	—	$	—	$	—	$	43
Restricted stock	2,725		2,831		6,043		5,571
Total stock compensation expense	$	2,725	$	2,831	$	6,043	$	5,614

At June 30, 2017 there was $19.0 million of unrecognized stock compensation expense for restricted stock expected to be recognized over a weighted-average period of 2.1 years.

The following table provides a summary of the stock compensation plans activity for the six months ended June 30, 2017:

	Restricted Stock Awards Outstanding									Stock Options Outstanding
	Time-Based						Performance-Based
	Number of Shares	Weighted-Average Grant Date Fair Value		Number of Units	Weighted-Average Grant Date Fair Value		Number of Shares	Weighted-Average Grant Date Fair Value		Number  of Shares	Weighted-Average Exercise Price
Outstanding, at January 1, 2017	253,361	$	32.24	2,158	$	32.89	116,184	$	33.62	1,072,974	$	21.24
Granted	148,479	55.53		8,129	56.07		89,581	56.18		—	—
Exercised options	—	—		—	—		—	—		232,416	27.97
Vested restricted stock awards (1)	106,532	35.26		4,867	45.79		61,563	39.23		—	—
Forfeited	12,344	37.16		—	—		6,276	42.72		—	—
Outstanding and exercisable, at June 30, 2017	282,964	$	41.53	5,420	$	56.07	137,926	$	45.42	840,558	$	19.38

(1) Vested for purposes of recording compensation expense.

Time-based restricted stock. Time-based restricted stock awards vest over the applicable service period ranging from 1 to 5 years. The number of time-based awards that may be granted to an eligible individual in a calendar year is limited to 100,000 shares. Compensation expense is recorded over the vesting period based on a fair value, which is measured using the Company's common stock closing price at the date of grant.

Performance-based restricted stock. Performance-based restricted stock awards vest after a 3 year performance period. The awards vest with a share quantity dependent on that performance, in a range from 0 to 150%. The performance criteria for 50% of the shares granted in 2017 is based upon Webster's ranking for total shareholder return versus Webster's compensation peer group companies and the remaining 50% is based upon Webster's average of return on equity during the three year vesting period. The compensation peer group companies are utilized because they represent the financial institutions that best compare with Webster. The Company records compensation expense over the vesting period, based on a fair value calculated using the Monte-Carlo simulation model, which allows for the incorporation of the performance condition for the 50% of the performance-based shares tied to total shareholder return versus the compensation peer group, and based on a fair value of the market price on the date of grant for the remaining 50% of the performance-based shares tied to Webster's return on equity. Compensation expense is subject to adjustment based on management's assessment of Webster's return on equity performance relative to the target number of shares condition.

Stock options. Stock option awards have an exercise price equal to the market price of Webster Financial Corporation's stock on the date of grant. Each option grants the holder the right to acquire a share of Webster Financial Corporation common stock over a contractual life of up to 10 years. All awarded options have vested. There were 765,769 non-qualified stock options and 74,789 incentive stock options outstanding at June 30, 2017.

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Note 16: Segment Reporting

Webster’s operations are organized into three reportable segments that represent its primary businesses - Commercial Banking, Community Banking and HSA Bank. These three segments reflect how executive management responsibilities are assigned, the primary businesses, the products and services provided, the type of customer served, and how discrete financial information is currently evaluated. The Corporate Treasury Unit of the Company is included in the Corporate and Reconciling category along with the amounts required to reconcile profitability metrics to amounts reported in accordance with GAAP.

Description of Segment Reporting Methodology

Webster’s reportable segment results are intended to reflect each segment as if it were a stand-alone business. Webster uses an internal profitability reporting system to generate information by operating segment, which is based on a series of management estimates and allocations regarding funds transfer pricing, provision for loan and lease losses, non-interest expense, income taxes, and equity capital. These estimates and allocations, certain of which are subjective in nature, are periodically reviewed and refined. Changes in estimates and allocations that affect the reported results of any operating segment do not affect the consolidated financial position or results of operations of Webster as a whole. The full profitability measurement reports, which are prepared for each operating segment, reflect non-GAAP reporting methodologies. The differences between full profitability and GAAP results are reconciled in the Corporate and Reconciling category.

Webster allocates interest income and interest expense to each business, while also transferring the primary interest rate risk exposures to the Corporate and Reconciling category, using a matched maturity funding concept called Funds Transfer Pricing. The allocation process considers the specific interest rate risk and liquidity risk of financial instruments and other assets and liabilities in each line of business. The matched maturity funding concept considers the origination date and the earlier of the maturity date or the repricing date of a financial instrument to assign an FTP rate for loans and deposits originated each day. Loans are assigned an FTP rate for funds used and deposits are assigned an FTP rate for funds provided. This process is executed by the Company’s Financial Planning and Analysis division and is overseen by ALCO.

Webster allocates the provision for loan and lease losses to each segment based on management’s estimate of the inherent loss content in each of the specific loan and lease portfolios. Provision expense for certain elements of risk that are not deemed specifically attributable to a reportable segment, such as the provision for the consumer liquidating portfolio, is shown as part of the Corporate and Reconciling category.

Webster allocates a majority of non-interest expense to each reportable segment using a full-absorption costing process. Costs, including corporate overhead, are analyzed, pooled by process, and assigned to the appropriate reportable segment. Income tax expense is allocated to each reportable segment based on the consolidated effective income tax rate for the period shown.

Segment Reporting Modifications

The 2016 segment results have been adjusted for comparability to the 2017 segment presentation for the following changes.

To further strengthen Webster's ability to deliver the totality of its products and services to the owners and executives of commercial clients and other high net worth individuals, an organizational change was made during the second quarter of 2017. Effective April 1, 2017, the head of Private Banking reports directly to the head of Commercial Banking. The current organizational structure reflects how executive management responsibilities are assigned and reviewed. As a result of this change, the Private Banking and Commercial Banking operating segments are aggregated into one reportable segment, Commercial Banking.

In late 2007 Webster discontinued its indirect residential construction lending and its indirect home equity lending outside of its primary New England market area referred to as National Wholesale Lending. Webster placed these two portfolios into a liquidating loan portfolio included within the Corporate and Reconciling category. The balance of the home equity liquidating loan portfolio was $65.0 million at December 31, 2016. As the remainder of this portfolio has been performing in the same manner as the continuing home equity portfolio, management has decided to combine the liquidating loan portfolio with the continuing home equity loan portfolio. The combined portfolio is included in the Community Banking reportable segment.

The following table presents total assets for Webster's reportable segments and the Corporate and Reconciling category:

	Total Assets
(In thousands)	Commercial Banking		Community Banking		HSA Bank		Corporate and Reconciling		Consolidated Total
At June 30, 2017	$	9,433,770	$	8,802,060	$	78,569	$	7,860,531	$	26,174,930
At December 31, 2016	9,069,445		8,721,046		83,987		8,198,051		26,072,529

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The following tables present the operating results, including all appropriate allocations, for Webster’s reportable segments and the Corporate and Reconciling category:

	Three months ended June 30, 2017
(In thousands)	Commercial Banking		Community Banking			HSA Bank		Corporate and Reconciling			Consolidated Total
Net interest income (expense)	$	78,946	$	95,902		$	25,574	$	(2,635	)	$	197,787
Provision (benefit) for loan and lease losses	10,692		(3,442		)	—		—			7,250
Net interest income (expense) after provision for loan and lease losses	68,254		99,344			25,574		(2,635		)	190,537
Non-interest income	12,532		28,058			19,750		4,211			64,551
Non-interest expense	37,304		94,322			28,750		4,043			164,419
Income (loss) before income tax expense	43,482		33,080			16,574		(2,467		)	90,669
Income tax expense (benefit)	14,158		10,353			5,323		(744		)	29,090
Net income (loss)	$	29,324	$	22,727		$	11,251	$	(1,723	)	$	61,579

	Three months ended June 30, 2016
(In thousands)	Commercial Banking		Community Banking		HSA Bank		Corporate and Reconciling			Consolidated Total
Net interest income (expense)	$	68,862	$	91,620	$	20,005	$	(3,582	)	$	176,905
Provision for loan and lease losses	11,612		2,388		—		—			14,000
Net interest income (expense) after provision for loan and lease losses	57,250		89,232		20,005		(3,582		)	162,905
Non-interest income	14,755		27,468		18,114		4,738			65,075
Non-interest expense	33,483		91,526		24,688		3,081			152,778
Income (loss) before income tax expense	38,522		25,174		13,431		(1,925		)	75,202
Income tax expense (benefit)	12,603		8,617		4,384		(1,005		)	24,599
Net income (loss)	$	25,919	$	16,557	$	9,047	$	(920	)	$	50,603

	Six months ended June 30, 2017
(In thousands)	Commercial Banking		Community Banking		HSA Bank		Corporate and Reconciling			Consolidated Total
Net interest income (expense)	$	157,193	$	189,492	$	49,626	$	(5,860	)	$	390,451
Provision for loan and lease losses	17,489		261		—		—			17,750
Net interest income (expense) after provision for loan and lease losses	139,704		189,231		49,626		(5,860		)	372,701
Non-interest income	25,956		53,437		39,021		9,179			127,593
Non-interest expense	75,428		189,501		56,989		6,285			328,203
Income (loss) before income tax expense	90,232		53,167		31,658		(2,966		)	172,091
Income tax expense (benefit)	26,762		15,769		9,389		(879		)	51,041
Net income (loss)	$	63,470	$	37,398	$	22,269	$	(2,087	)	$	121,050

	Six months ended June 30, 2016
(In thousands)	Commercial Banking		Community Banking		HSA Bank		Corporate and Reconciling			Consolidated Total
Net interest income (expense)	$	137,157	$	182,191	$	39,924	$	(6,215	)	$	353,057
Provision for loan and lease losses	21,889		7,711		—		—			29,600
Net interest income (expense) after provision for loan and lease losses	115,268		174,480		39,924		(6,215		)	323,457
Non-interest income	25,903		54,118		38,069		9,359			127,449
Non-interest expense	67,543		183,537		48,945		5,198			305,223
Income (loss) before income tax expense	73,628		45,061		29,048		(2,054		)	145,683
Income tax expense (benefit)	24,276		14,857		9,577		(677		)	48,033
Net income (loss)	$	49,352	$	30,204	$	19,471	$	(1,377	)	$	97,650

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Note 17: Commitments and Contingencies

Credit-Related Financial Instruments

The Company offers credit-related financial instruments in the normal course of business to meet certain financing needs of its customers, that involve off-balance sheet risk. These transactions may include an unused commitment to extend credit, standby letter of credit, or commercial letter of credit. Such transactions involve, to varying degrees, elements of credit risk.

The following table summarizes the outstanding amounts of credit-related financial instruments with off-balance sheet risk:

(In thousands)	At June 30, 2017		At December 31, 2016
Commitments to extend credit	$	5,211,813	$	5,224,280
Standby letter of credit	138,536		128,985
Commercial letter of credit	40,678		46,497
Total credit-related financial instruments with off-balance sheet risk	$	5,391,027	$	5,399,762

Commitments to Extend Credit. The Company makes commitments under various terms to lend funds to customers at a future point in time. These commitments include revolving credit arrangements, term loan commitments, and short-term borrowing agreements. Most of these loans have fixed expiration dates or other termination clauses where a fee may be required. Since commitments routinely expire without being funded, or after required availability of collateral occurs, the total commitment amount does not necessarily represent future liquidity requirements.

Standby Letter of Credit. A standby letter of credit commits the Company to make payments on behalf of customers if certain specified future events occur. The Company has recourse against the customer for any amount required to be paid to a third party under a standby letter of credit, which is often part of a larger credit agreement under which security is provided. Historically, a large percentage of standby letters of credit expire without being funded. The contractual amount of a standby letter of credit represents the maximum amount of potential future payments the Company could be required to make, and is the Company's maximum credit risk.

Commercial Letter of Credit. A commercial letter of credit is issued to facilitate either domestic or foreign trade arrangements for customers. As a general rule, drafts are committed to be drawn when the goods underlying the transaction are in transit. Similar to a standby letter of credit, a commercial letter of credit is often secured by an underlying security agreement including the assets or inventory to which they relate.

These commitments subject the Company to potential exposure in excess of the amounts recorded in the financial statements, and therefore, management maintains a specific reserve for unfunded credit commitments. This reserve is reported as a component of accrued expenses and other liabilities in the accompanying Condensed Consolidated Balance Sheets.

The following table provides a summary of activity in the reserve for unfunded credit commitments:

	Three months ended June 30,					Six months ended June 30,
(In thousands)	2017			2016		2017		2016
Beginning balance	$	2,655		$	2,126	$	2,287	$	2,119
(Benefit) provision charged to expense	(111		)	193		257		200
Ending balance	$	2,544		$	2,319	$	2,544	$	2,319

Litigation

Webster is involved in routine legal proceedings occurring in the ordinary course of business and is subject to loss contingencies related to such litigation and claims arising therefrom. Webster evaluates these contingencies based on information currently available, including advice of counsel and assessment of available insurance coverage. Webster establishes an accrual for litigation and claims when a loss contingency is considered probable and the related amount is reasonably estimable. This accrual is periodically reviewed and may be adjusted as circumstances change. Webster also estimates certain loss contingencies for possible litigation and claims, whether or not there is an accrued probable loss. Webster believes it has defenses to all the claims asserted against it in existing litigation matters and intends to defend itself in all matters.

Based upon its current knowledge, after consultation with counsel and after taking into consideration its current litigation accrual, Webster believes that at June 30, 2017 any reasonably possible losses, in addition to amounts accrued, are not material to Webster’s consolidated financial condition. However, in light of the uncertainties involved in such actions and proceedings, there is no assurance that the ultimate resolution of these matters will not significantly exceed the amounts currently accrued by Webster or that the Company’s litigation accrual will not need to be adjusted in future periods. Such an outcome could be material to the Company’s operating results in a particular period, depending on, among other factors, the size of the loss or liability imposed and the level of the Company’s income for that period.

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ITEM 2. MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

The following discussion should be read in conjunction with the Company’s Consolidated Financial Statements and Notes thereto, for the year ended December 31, 2016, included in its 2016 Form 10-K, and in conjunction with the Condensed Consolidated Financial Statements and Notes thereto included in Item 1 of this report. Operating results for the three and six months ended June 30, 2017 are not necessarily indicative of the results for the full year ending December 31, 2017, or any future period.

Forward-Looking Statements and Factors that Could Affect Future Results

This Quarterly Report on Form 10-Q contains "forward-looking statements" within the meaning of the Private Securities Litigation Reform Act of 1995. Forward-looking statements can be identified by words such as "believes," "anticipates," "expects," "intends," "targeted," "continue," "remain," "will," "should," "may," "plans," "estimates" and similar references to future periods; however, such words are not the exclusive means of identifying such statements. In addition to Webster or the Company, references to "we," "our," or "us" mean Webster Financial Corporation and its consolidated subsidiaries.

Examples of forward-looking statements include, but are not limited to:

▪ projections of revenues, expenses, income or loss, earnings or loss per share, and other financial items;

▪ statements of plans, objectives and expectations of Webster or its management or Board of Directors;

▪ statements of future economic performance; and

▪ statements of assumptions underlying such statements.

Forward-looking statements are based on Webster’s current expectations and assumptions regarding its business, the economy and other future conditions. Because forward-looking statements relate to the future, they are subject to inherent uncertainties, risks and changes in circumstances that are difficult to predict. Webster’s actual results may differ materially from those contemplated by the forward-looking statements, which are neither statements of historical fact nor guarantees or assurances of future performance.

Factors that could cause actual results to differ from those discussed in the forward-looking statements include, but are not limited to:

▪ local, regional, national and international economic conditions and the impact they may have on us and our customers and our assessment of that impact;

▪ volatility and disruption in national and international financial markets;

▪ government intervention in the U.S. financial system;

▪ changes in the level of non-performing assets and charge-offs;

▪ changes in estimates of future reserve requirements based upon the periodic review thereof under relevant regulatory and accounting requirements;

▪ adverse conditions in the securities markets that lead to impairment in the value of our investment securities;

▪ inflation, interest rate, securities market and monetary fluctuations;

▪ the timely development and acceptance of new products and services and perceived overall value of these products and services by customers;

▪ changes in consumer spending, borrowings and savings habits;

▪ technological changes and cyber-security matters;

▪ the ability to increase market share and control expenses;

▪ changes in the competitive environment among banks, financial holding companies and other financial services providers;

▪ the effect of changes in laws and regulations (including laws and regulations concerning taxes, banking, securities and insurance) with which we and our subsidiaries must comply, including the Dodd-Frank Act;

▪ the effect of changes in accounting policies and practices, as may be adopted by the regulatory agencies, as well as the Public Company Accounting Oversight Board, the Financial Accounting Standards Board and other accounting standard setters;

▪ the costs and effects of legal and regulatory developments including the resolution of legal proceedings or regulatory or other governmental inquiries and the results of regulatory examinations or reviews; and

▪ our success at managing the risks involved in the foregoing items.

Any forward-looking statements made by the Company in this Quarterly Report on Form 10-Q speaks only as of the date they are made. Factors or events that could cause the Company’s actual results to differ may emerge from time to time, and it is not possible for the Company to predict all of them. The Company undertakes no obligation to publicly update any forward-looking statement, whether as a result of new information, future developments or otherwise, except as may be required by law.

40

Application of Critical Accounting Policies and Accounting Estimates

The Company’s significant accounting policies are described in Note 1 to the Consolidated Financial Statements included in its 2016 Form 10-K. Modifications to significant accounting policies made during the year are described in Note 1 to the Condensed Consolidated Financial Statements included in Item 1 of this report. The preparation of the Condensed Consolidated Financial Statements in accordance with GAAP and practices generally applicable to the financial services industry requires management to make estimates and assumptions that affect the reported amounts of assets, liabilities, revenues, and expenses, and to disclose contingent assets and liabilities. Actual results could differ from those estimates.

Management has identified the Company's most critical accounting policies as:

• allowance for loan and lease losses;

• fair value measurements for valuation of investments and other financial instruments;

• evaluation for impairment of goodwill and other intangible assets; and

• assessing the realizability of deferred tax assets and the measurement of uncertain tax positions.

These particular significant accounting policies are considered most critical in that they are important to the Company’s financial condition and results, and they require management’s subjective and complex judgment as a result of the need to make estimates about the effects of matters that are inherently uncertain. The accounting policies and estimates, including the nature of the estimates and types of assumptions used, are described throughout Part II, Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations included in Webster's 2016 Form 10-K and Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations, of this report.

Results of Operations

Selected financial highlights are presented in the following table:

	At or for the three months ended June 30,						At or for the six months ended June 30,
(In thousands, except per share and ratio data)	2017			2016			2017			2016
Earnings:
Net interest income	$	197,787		$	176,905		$	390,451		$	353,057
Provision for loan and lease losses	7,250			14,000			17,750			29,600
Total non-interest income	64,551			65,075			127,593			127,449
Total non-interest expense	164,419			152,778			328,203			305,223
Net income	61,579			50,603			121,050			97,650
Earnings applicable to common shareholders	59,485			48,398			116,826			93,282
Share Data:
Weighted-average common shares outstanding - diluted	92,495			91,745			92,470			91,726
Diluted earnings per common share	$	0.64		$	0.53		$	1.26		$	1.02
Dividends and dividend equivalents declared per common share	0.26			0.25			0.51			0.48
Dividends declared per Series E preferred share	400.00			400.00			800.00			800.00
Book value per common share	26.93			25.68			26.93			25.68
Tangible book value per common share (non-GAAP)	20.74			19.41			20.74			19.41
Selected Ratios:
Net interest margin	3.27		%	3.08		%	3.25		%	3.10		%
Return on average assets (annualized basis)	0.94			0.81			0.93			0.78
Return on average common shareholders' equity (annualized basis)	9.63			8.31			9.53			8.05
CET1 risk-based capital	10.84			10.50			10.84			10.50
Tangible common equity ratio (non-GAAP)	7.47			7.25			7.47			7.25
Return on average tangible common shareholders' equity (annualized basis) (non-GAAP)	12.65			11.25			12.56			10.94
Efficiency ratio (non-GAAP)	60.65			61.47			61.36			61.74

The non-GAAP financial measures identified in the preceding table provide investors with information useful in understanding the Company's financial performance, performance trends and financial position. These measures are used by management for internal planning and forecasting purposes, as well as by securities analysts, investors and other interested parties to compare peer company operating performance. Management believes that the presentation, together with the accompanying reconciliations provides a complete understanding of the factors and trends affecting the Company's business and allows investors to view its performance in a similar manner. These non-GAAP financial measures should not be considered a substitute for GAAP basis measures and results. Because non-GAAP financial measures are not standardized, it may not be possible to compare these measures with other companies that present measures having the same or similar names.

41

The following tables reconcile the non-GAAP financial measures with financial measures defined by GAAP:

	At June 30,
(Dollars and shares in thousands, except per share data)	2017			2016
Tangible book value per common share (non-GAAP):
Shareholders' equity (GAAP)	$	2,605,126		$	2,476,966
Less: Preferred stock (GAAP)	122,710			122,710
Goodwill and other intangible assets (GAAP)	569,964			574,622
Tangible common shareholders' equity (non-GAAP)	$	1,912,452		$	1,779,634
Common shares outstanding	92,195			91,677
Tangible book value per common share (non-GAAP)	$	20.74		$	19.41
Tangible common equity ratio (non-GAAP):
Tangible common shareholders' equity (non-GAAP)	$	1,912,452		$	1,779,634
Total Assets (GAAP)	$	26,174,930		$	25,120,466
Less: Goodwill and other intangible assets (GAAP)	569,964			574,622
Tangible assets (non-GAAP)	$	25,604,966		$	24,545,844
Tangible common equity ratio (non-GAAP)	7.47		%	7.25		%

	Three months ended June 30,						Six months ended June 30,
(Dollars in thousands)	2017			2016			2017			2016
Return on average tangible common shareholders' equity (non-GAAP):
Net income (GAAP)	$	61,579		$	50,603		$	121,050		$	97,650
Less: Preferred stock dividends (GAAP)	2,024			2,024			4,048			4,048
Add: Intangible assets amortization, tax-affected at 35% (GAAP)	668			990			1,354			2,000
Income adjusted for preferred stock dividends and intangible assets amortization (non-GAAP)	$	60,223		$	49,569		$	118,356		$	95,602
Income adjusted for preferred stock dividends and intangible assets amortization, annualized (non-GAAP)	$	240,892		$	198,276		$	236,712		$	191,204
Average shareholders' equity (non-GAAP)	$	2,597,222		$	2,460,763		$	2,578,392		$	2,447,434
Less: Average preferred stock (non-GAAP)	122,710			122,710			122,710			122,710
Average goodwill and other intangible assets (non-GAAP)	570,560			575,483			571,083			576,256
Average tangible common shareholders' equity (non-GAAP)	$	1,903,952		$	1,762,570		$	1,884,599		$	1,748,468
Return on average tangible common shareholders' equity (non-GAAP)	12.65		%	11.25		%	12.56		%	10.94		%
Efficiency ratio (non-GAAP):
Non-interest expense (GAAP)	$	164,419		$	152,778		$	328,203		$	305,223
Less: Foreclosed property activity (GAAP)	(143		)	(123		)	(69		)	(281		)
Intangible assets amortization (GAAP)	1,028			1,523			2,083			3,077
Other expense (non-GAAP)	1,587			260			2,710			1,477
Non-interest expense (non-GAAP)	$	161,947		$	151,118		$	323,479		$	300,950
Net interest income (GAAP)	$	197,787		$	176,905		$	390,451		$	353,057
Add: Tax-equivalent adjustment (non-GAAP)	4,136			3,282			8,169			6,257
Non-interest income (GAAP)	64,551			65,075			127,593			127,449
Less: Gain on sale of investment securities, net (GAAP)	—			94			—			414
Other (non-GAAP)	(555		)	(655		)	(946		)	(1,136		)
Income (non-GAAP)	$	267,029		$	245,823		$	527,159		$	487,485
Efficiency ratio (non-GAAP)	60.65		%	61.47		%	61.36		%	61.74		%

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Financial Performance

Comparison to Prior Year Quarter

For the three months ended June 30, 2017, income before income tax expense of $90.7 million increased $15.5 million, or 20.6%, compared to the three months ended June 30, 2016. Net interest income increased 11.8%, the provision for loan and lease losses decreased 48.2%, non-interest income decreased 0.8%, and non-interest expense increased 7.6%.

After income tax expense of $29.1 million and $24.6 million for the three months ended June 30, 2017 and 2016, respectively, net income was $61.6 million and diluted earnings per share was $0.64 for the three months ended June 30, 2017 compared to net income of $50.6 million and diluted earnings per share of $0.53 for the three months ended June 30, 2016.

Comparison to Prior Year to Date

For the six months ended June 30, 2017, income before income tax expense of $172.1 million increased $26.4 million, or 18.1%, compared to the six months ended June 30, 2016. Net interest income increased 10.6%, the provision for loan and lease losses decreased 40.0%, non-interest income was flat, and non-interest expense increased 7.5%.

After income tax expense of $51.0 million and $48.0 million for the six months ended June 30, 2017 and 2016, respectively, net income was $121.1 million and diluted earnings per share was $1.26 for the six months ended June 30, 2017 compared to net income of $97.7 million and diluted earnings per share of $1.02 for the six months ended June 30, 2016.

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The following tables summarize daily average balances, interest, yield/rate, and net interest margin on a fully tax-equivalent basis:

	Three months ended June 30,
	2017							2016
(Dollars in thousands)	Average Balance		Interest			Yield/Rate		Average Balance		Interest			Yield/Rate
Assets
Interest-earning assets:
Loans and leases	$	17,266,424	$	175,421		4.04	%	$	16,079,348	$	152,937		3.79	%
Investment securities (based upon historical amortized cost)	7,030,120		53,569			3.04		6,904,166		50,986			2.95
FHLB and FRB stock	165,087		1,563			3.80		192,664		1,420			2.96
Interest-bearing deposits	64,812		169			1.03		61,929		77			0.49
Loans held for sale	22,956		203			3.53		37,104		293			3.15
Total interest-earning assets	24,549,399		$	230,925		3.74	%	23,275,211		$	205,713		3.52	%
Non-interest-earning assets	1,633,049							1,728,222
Total Assets	$	26,182,448						$	25,003,433
Liabilities and Shareholders' Equity
Interest-bearing liabilities:
Demand deposits	$	3,979,330	$	—		—	%	$	3,728,684	$	—		—	%
Savings, checking, & money market deposits	14,301,783		8,723			0.24		13,009,331		6,861			0.21
Time deposits	2,057,335		5,956			1.16		2,015,120		5,513			1.10
Total deposits	20,338,448		14,679			0.29		18,753,135		12,374			0.27
Securities sold under agreements to repurchase and other borrowings	844,837		3,583			1.68		872,189		3,379			1.53
FHLB advances	1,997,069		8,156			1.62		2,525,500		7,291			1.14
Long-term debt	225,604		2,584			4.58		225,351		2,482			4.41
Total borrowings	3,067,510		14,323			1.85		3,623,040		13,152			1.44
Total interest-bearing liabilities	23,405,958		$	29,002		0.49	%	22,376,175		$	25,526		0.46	%
Non-interest-bearing liabilities	179,268							166,495
Total liabilities	23,585,226							22,542,670
Preferred stock	122,710							122,710
Common shareholders' equity	2,474,512							2,338,053
Total shareholders' equity	2,597,222							2,460,763
Total Liabilities and Shareholders' Equity	$	26,182,448						$	25,003,433
Tax-equivalent net interest income			$	201,923						$	180,187
Less: Tax-equivalent adjustments			(4,136		)					(3,282		)
Net interest income			$	197,787						$	176,905
Net interest margin						3.27	%						3.08	%

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	Six months ended June 30,
	2017							2016
(Dollars in thousands)	Average Balance		Interest			Yield/Rate		Average Balance		Interest			Yield/Rate
Assets
Interest-earning assets:
Loans and leases	$	17,154,412	$	344,150		4.00	%	$	15,939,123	$	303,473		3.79	%
Investment securities (based upon historical amortized cost)	7,050,583		106,420			3.01		6,899,787		103,998			3.01
FHLB and FRB stock	173,601		3,250			3.78		190,505		2,837			3.00
Interest-bearing deposits	66,476		299			0.89		59,633		149			0.49
Loans held for sale	29,560		519			3.51		31,863		566			3.55
Total interest-earning assets	24,474,632		$	454,638		3.71	%	23,120,911		$	411,023		3.54	%
Non-interest-earning assets	1,637,865							1,776,231
Total Assets	$	26,112,497						$	24,897,142
Liabilities and Shareholders' Equity
Interest-bearing liabilities:
Demand deposits	$	3,957,403	$	—		—	%	$	3,697,306	$	—		—	%
Savings, checking & money market deposits	14,181,826		16,503			0.23		12,885,504		13,476			0.21
Time deposits	2,040,024		11,611			1.15		2,036,385		11,197			1.11
Total deposits	20,179,253		28,114			0.28		18,619,195		24,673			0.27
Securities sold under agreements to repurchase and other borrowings	874,871		7,123			1.62		960,593		7,552			1.56
FHLB advances	2,066,551		15,649			1.51		2,431,623		14,538			1.18
Long-term debt	225,572		5,132			4.55		225,771		4,946			4.38
Total borrowings	3,166,994		27,904			1.75		3,617,987		27,036			1.48
Total interest-bearing liabilities	23,346,247		$	56,018		0.48	%	22,237,182		$	51,709		0.46	%
Non-interest-bearing liabilities	187,858							212,526
Total liabilities	23,534,105							22,449,708
Preferred stock	122,710							122,710
Common shareholders' equity	2,455,682							2,324,724
Total shareholders' equity	2,578,392							2,447,434
Total Liabilities and Shareholders' Equity	$	26,112,497						$	24,897,142
Tax-equivalent net interest income			$	398,620						$	359,314
Less: Tax-equivalent adjustments			(8,169		)					(6,257		)
Net interest income			$	390,451						$	353,057
Net interest margin						3.25	%						3.10	%

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Net interest income is the difference between interest income on earning assets, such as loans and investments, and interest expense on liabilities, such as deposits and borrowings, which are used to fund those assets. Net interest income is the Company's largest source of revenue, representing 75.4% of total revenue for the six months ended June 30, 2017. Net interest margin is the ratio of tax-equivalent net interest income to average earning assets for the period.

Net interest income and net interest margin are impacted by the level of interest rates, mix of assets earning and liabilities paying those interest rates, and the volume of interest-earning assets and interest-bearing liabilities. These conditions are influenced by changes in economic conditions that impact interest rate policy, competitive conditions that impact loan and deposit pricing strategies, as well as the extent of interest lost to non-performing assets.

Webster manages the risk of changes in interest rates on net interest income and net interest margin through ALCO and through related interest rate risk monitoring and management policies. Four main tools are used for managing interest rate risk:

• the size, duration and credit risk of the investment portfolio,

• the size and duration of the wholesale funding portfolio,

• off-balance sheet interest rate contracts, and

• the pricing and structure of loans and deposits.

ALCO meets at least monthly to make decisions on the investment and funding portfolios based on the economic outlook, its interest rate expectations, the portfolio risk position, and other factors.

The Federal Open Market Committee increased the federal funds rate target range from 0.50-0.75% at December 31, 2016, to 0.75-1.00% effective March 16, 2017 and, to 1.00-1.25% effective June 15, 2017. See the "Asset/Liability Management and Market Risk" section for further discussion of Webster’s interest rate risk position.

Net Interest Income

Comparison to Prior Year Quarter

Net interest income totaled $197.8 million for the three months ended June 30, 2017 compared to $176.9 million for the three months ended June 30, 2016, an increase of $20.9 million. On a fully tax-equivalent basis, net interest income increased $21.7 million when compared to the same period in 2016. The increase for the three months ended June 30, 2017 was primarily the result of a significant increase in loan balances and yield improvements of 25 basis points, while investment balances remained flat but the reinvestment spreads on those assets improved. Net interest margin increased 19 basis points to 3.27% for the three months ended June 30, 2017 from 3.08% for the three months ended June 30, 2016.

Comparison to Prior Year to Date

Net interest income totaled $390.5 million for the six months ended June 30, 2017 compared to $353.1 million for the six months ended June 30, 2016, an increase of $37.4 million. On a fully tax-equivalent basis, net interest income increased $39.3 million when compared to the same period in 2016. The increase for the six months ended June 30, 2017 was primarily the result of a significant increase in loans with overall improved yields bearing greater weight on net interest margin than the investment balances and reinvestment spreads on those assets. Net interest margin increased 15 basis points to 3.25% for the six months ended June 30, 2017 from 3.10% for the six months ended June 30, 2016.

Changes in Net Interest Income

The following table presents the components of the change in net interest income attributable to changes in rate and volume, and reflects net interest income on a fully tax-equivalent basis:

	Three months ended June 30,								Six months ended June 30,
	2017 vs. 2016 Increase (decrease) due to								2017 vs. 2016 Increase (decrease) due to
(In thousands)	Rate (1)		Volume			Total			Rate (1)		Volume			Total
Interest on interest-earning assets:
Loans and leases	$	12,040	$	10,443		$	22,483		$	18,660	$	22,017		$	40,677
Loans held for sale	27		(115		)	(88		)	48		(34		)	14
Investments (2)	1,887		930			2,817			531		2,393			2,924
Total interest income	$	13,954	$	11,258		$	25,212		$	19,239	$	24,376		$	43,615
Interest on interest-bearing liabilities:
Deposits	$	1,462	$	844		$	2,306		$	1,963	$	1,479		$	3,442
Borrowings	2,758		(1,588		)	1,170			3,533		(2,666		)	867
Total interest expense	$	4,220	$	(744	)	$	3,476		$	5,496	$	(1,187	)	$	4,309
Net change in net interest income	$	9,734	$	12,002		$	21,736		$	13,743	$	25,563		$	39,306

(1) The change attributable to mix, a combined impact of rate and volume, is included with the change due to rate.

(2) Investments include: Securities, FHLB and FRB stock, and Interest-bearing deposits.

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Average loans and leases for the six months ended June 30, 2017 increased $1.2 billion compared to the average for the six months ended June 30, 2016. The loan and lease portfolio comprised 70.1% of the average interest-earning assets at June 30, 2017 compared to 68.9% of the average interest-earning assets at June 30, 2016. The loan and lease portfolio yield increased 21 basis points to 4.00% for the six months ended June 30, 2017 compared to the loan and lease portfolio yield of 3.79% for the six months ended June 30, 2016. The increase in the yield on the average loan and lease portfolio is due to floating rate loans as well as increased spreads on loan originations.

Average investments for the six months ended June 30, 2017 increased $140.7 million compared to the average for the six months ended June 30, 2016. The investments portfolio comprised 29.8% of the average interest-earning assets at June 30, 2017 compared to 30.9% of the average interest-earning assets at June 30, 2016. The investments portfolio yield increased 3 basis points to 3.02% for the six months ended June 30, 2017 compared to the investments portfolio yield of 2.99% for the six months ended June 30, 2016. The increase in the yield on the investments portfolio is primarily due to an increased yield on FHLB and FRB stock, as the effect from current market rates on investment securities purchases compared to the yield on investment securities paydowns and maturities during the period essentially offset.

Average total deposits for the six months ended June 30, 2017 increased $1.6 billion compared to the average for the six months ended June 30, 2016. The increase is comprised of an increase of $260.1 million in non-interest-bearing deposits and an increase of $1.3 billion in interest-bearing deposits. The increase in average interest-bearing deposits, and an improved product mix to low-cost deposits, was primarily due to health savings account deposit growth. The average cost of deposits was 0.28% for the six months ended June 30, 2017 compared to 0.27% for the six months ended June 30, 2016. The slight increase in the average cost of deposits is the result of a pricing shift on money market accounts. Higher cost time deposits, decreased to 12.6% for the six months ended June 30, 2017 from 13.6% for the six months ended June 30, 2016, as a percentage of total interest-bearing deposits.

Average total borrowings for the six months ended June 30, 2017 decreased $451.0 million compared to the average for the six months ended June 30, 2016. Average securities sold under agreements to repurchase and other borrowings decreased $85.7 million, and average FHLB advances decreased $365.1 million as utilization of advances maturing within one year declined. The average cost of borrowings increased 27 basis point to 1.75% for the six months ended June 30, 2017 from 1.48% for the six months ended June 30, 2016. The increase in average cost of borrowings is the result of an overall increase in the cost of wholesale funding.

Cash flow hedges impacted the average cost of borrowings as follows:

	Three months ended June 30,				Six months ended June 30,
(In thousands)	2017		2016		2017		2016
Interest rate swaps on repurchase agreements	$	—	$	—	$	—	$	361
Interest rate swaps on FHLB advances	1,714		2,193		3,482		4,370
Interest rate swaps on senior fixed-rate notes	77		77		153		153
Interest rate swaps on brokered CDs and deposits	195		195		390		390
Net increase to interest expense on borrowings	$	1,986	$	2,465	$	4,025	$	5,274

Provision for Loan and Lease Losses

Management performs a quarterly review of the loan and lease portfolio to determine the adequacy of the ALLL. At June 30, 2017, the ALLL totaled $199.6 million, or 1.16% of total loans and leases, as compared to $194.3 million, or 1.14% of total loans and leases, at December 31, 2016.

Several factors are considered when determining the level of the ALLL, including loan growth, portfolio composition, portfolio risk profile, credit performance, changes in the levels of non-performing loans and leases, and changes in the economic environment. These factors, coupled with current and projected net charge-offs, impact the required level of the provision for loan and lease losses. Total net charge-offs were $6.8 million and $12.5 million for the three and six months ended June 30, 2017, respectively, compared to $7.8 million and $24.2 million for the three and six months ended June 30, 2016, respectively. Lower commercial and commercial real estate net charge-offs more than offset an increase in consumer net charge-offs, for both the three and six months comparisons.

The provision for loan and lease losses of $7.3 million and $17.8 million for the three and six months ended June 30, 2017, respectively, decreased $6.7 million and $11.8 million, respectively, compared to the three and six months ended June 30, 2016. The decrease in provision for loan and lease losses was primarily due to improved asset quality factors and the effect from updated modeling estimates related to impaired loans in the three months ended June 30, 2017. Improved asset quality factors, a slowing loan growth rate from 2016, and a large charge-off for one impaired commercial loan in 2016 impacted the decrease in provision for loan and lease losses in the six months ended June 30, 2016.

See the "Loans and Leases" through "Allowance for Loan and Lease Losses Methodology" sections for further details.

47

Non-Interest Income

	Three months ended June 30,										Six months ended June 30,
						Increase (decrease)											Increase (decrease)
(Dollars in thousands)	2017			2016		Amount			Percent		2017			2016			Amount			Percent
Deposit service fees	$	38,192		$	34,894	$	3,298		9.5	%	$	75,198		$	69,819		$	5,379		7.7	%
Loan related fees	6,344			6,266		78			1.2		13,552			11,310			2,242			19.8
Wealth and investment services	7,877			7,204		673			9.3		15,150			14,399			751			5.2
Mortgage banking activities	3,351			3,753		(402		)	(10.7	)	5,617			7,013			(1,396		)	(19.9	)
Increase in cash surrender value of life insurance policies	3,648			3,664		(16		)	(0.4	)	7,223			7,317			(94		)	(1.3	)
Gain on sale of investment securities, net	—			94		(94		)	n/m		—			414			(414		)	n/m
Impairment loss recognized in earnings	(126		)	—		(126		)	n/m		(126		)	(149		)	23			n/m
Other income	5,265			9,200		(3,935		)	(42.8	)	10,979			17,326			(6,347		)	(36.6	)
Total non-interest income	$	64,551		$	65,075	$	(524	)	(0.8	)%	$	127,593		$	127,449		$	144		0.1	%

n/m - not meaningful

Comparison to Prior Year Quarter

Total non-interest income for the three months ended June 30, 2017 was $64.6 million, a decrease of $0.5 million, or 0.8%, compared to $65.1 million for the three months ended June 30, 2016. The decrease is primarily the result of deposit service fee growth being more than offset by decreased other income.

Deposit service fees totaled $38.2 million for the three months ended June 30, 2017, compared to $34.9 million for the three months ended June 30, 2016. The increase is primarily due to increased checking account service charges and check card interchange attributable to health savings account growth and usage activity.

Other income totaled $5.3 million for the three months ended June 30, 2017, compared to $9.2 million for the three months ended June 30, 2016. The decrease is primarily due to lower client interest rate hedging activities.

Comparison to Prior Year to Date

Total non-interest income for the six months ended June 30, 2017 of $127.6 million, compared to $127.4 million for the six months ended June 30, 2016. The slight increase of $144 thousand is attributable to increases in deposit service fees and loan related fees, mostly offset by decreases in mortgage banking activities and other income.

Deposit service fees totaled $75.2 million for the six months ended June 30, 2017, compared to $69.8 million for the six months ended June 30, 2016. The increase is primarily due to increased checking account service charges and check card interchange attributable to health savings account growth and usage activity.

Loan related fees totaled $13.6 million for the six months ended June 30, 2017, compared to $11.3 million for the six months ended June 30, 2016. The increase is primarily due to increased syndication activity, partially offset by increased mortgage servicing rights amortization, and lower amendment fees.

Mortgage banking activities totaled $5.6 million for the six months ended June 30, 2017, compared to $7.0 million for the six months ended June 30, 2016. The decrease is due to lower volume of conforming residential mortgage originations, driven by a decrease in refinance activity.

Other income totaled $11.0 million for the six months ended June 30, 2017, compared to $17.3 million for the six months ended June 30, 2016. The decrease is due to a $2.9 million favorable adjustment to the fair value of the contingent receivable recognized in 2016, and $4.9 million decrease in client interest rate hedging activities, partially offset by an increase of $1.3 million in alternative investment gains.

48

Non-Interest Expense

	Three months ended June 30,									Six months ended June 30,
					Increase (decrease)									Increase (decrease)
(Dollars in thousands)	2017		2016		Amount			Percent		2017		2016		Amount			Percent
Compensation and benefits	$	87,354	$	80,231	$	7,123		8.9	%	$	175,630	$	160,941	$	14,689		9.1	%
Occupancy	16,034		14,842		1,192			8.0		32,213		29,911		2,302			7.7
Technology and equipment	22,458		19,376		3,082			15.9		44,066		39,314		4,752			12.1
Intangible assets amortization	1,028		1,523		(495		)	(32.5	)	2,083		3,077		(994		)	(32.3	)
Marketing	4,615		4,669		(54		)	(1.2	)	10,056		9,593		463			4.8
Professional and outside services	3,507		3,754		(247		)	(6.6	)	7,783		6,565		1,218			18.6
Deposit insurance	6,625		6,633		(8		)	(0.1	)	13,357		13,419		(62		)	(0.5	)
Other expense	22,798		21,750		1,048			4.8		43,015		42,403		612			1.4
Total non-interest expense	$	164,419	$	152,778	$	11,641		7.6	%	$	328,203	$	305,223	$	22,980		7.5	%

Comparison to Prior Year Quarter

Total non-interest expense for the three months ended June 30, 2017 was $164.4 million, an increase of $11.6 million, or 7.6%, compared to $152.8 million for the three months ended June 30, 2016. The increase is primarily attributable to compensation and benefits, occupancy, technology and equipment, and other expense.

Compensation and benefits totaled $87.4 million for the three months ended June 30, 2017, compared to $80.2 million for the three months ended June 30, 2016. The increase is primarily due to strategic hires, an increase to group insurance costs, and annual merit increases.

Occupancy totaled $16.0 million for the three months ended June 30, 2017, compared to $14.8 million for the three months ended June 30, 2016. The increase is essentially a result of charges related to banking center optimization.

Technology and equipment totaled $22.5 million for the three months ended June 30, 2017, compared to $19.4 million for the three months ended June 30, 2016. The increase is primarily due to increased service contracts and additional depreciation on technology infrastructure, to support bank growth.

Other expense totaled $22.8 million for the three months ended June 30, 2017, compared to $21.8 million for the three months ended June 30, 2016. The increase is a result of net deposit fraud losses.

Comparison to Prior Year to Date

Total non-interest expense for the six months ended June 30, 2017 was $328.2 million, an increase of $23.0 million, or 7.5%, compared to $305.2 million for the six months ended June 30, 2016. The increase is primarily attributable to compensation and benefits, occupancy, technology and equipment, and professional and outside services.

Compensation and benefits totaled $175.6 million for the six months ended June 30, 2017, compared to $160.9 million for the six months ended June 30, 2016. The increase is primarily due to strategic hires as well as an increase to group insurance costs.

Occupancy totaled $32.2 million for the six months ended June 30, 2017, compared to $29.9 million for the six months ended June 30, 2016. The increase is essentially a result of charges related to banking center optimization.

Technology and equipment totaled $44.1 million for the six months ended June 30, 2017, compared to $39.3 million for the six months ended June 30, 2016. The increase is primarily due to increased service contracts and additional depreciation on technology infrastructure, to support bank growth.

Professional and outside services totaled $7.8 million for the six months ended June 30, 2017, compared to $6.6 million for the six months ended June 30, 2016. The increase is primarily due to strategic consulting projects.

49

Income Taxes

Webster recognized income tax expense of $29.1 million and $51.0 million reflecting effective tax rates of 32.1% and 29.7% for the three and six months ended June 30, 2017, respectively, compared to $24.6 million and $48.0 million and 32.7% and 33.0%, for the three and six months ended June 30, 2016, respectively.

The increases in tax expense for the three and six months ended June 30, 2017 as compared to 2016 principally reflect the higher levels of pre-tax income in 2017, while the decreases in the effective rates in 2017 as compared to 2016 principally reflect $5.4 million of excess tax benefits recognized in the six months ended June 30, 2017 under ASU No. 2016-09, including $0.6 million during the three months ended June 30, 2017. See “Accounting Standards Adopted During 2017” section of Note 1: Summary of Significant Accounting Policies in the Notes to Condensed Consolidated Financial Statements contained elsewhere in this report for information on adoption of ASU No. 2016-09.

For more information on Webster's income taxes, including its deferred tax assets and uncertain tax positions, see Note 8 - Income Taxes in the Notes to Consolidated Financial Statements contained in the Company's 2016 Form 10-K.

Segment Results

Webster’s operations are organized into three reportable segments that represent its primary businesses - Commercial Banking, Community Banking and HSA Bank. These three segments reflect how executive management responsibilities are assigned, the primary businesses, the products and services provided, the type of customer served, and how discrete financial information is currently evaluated. The Corporate Treasury Unit of the Company is included in the Corporate and Reconciling category along with the amounts required to reconcile profitability metrics to amounts reported in accordance with GAAP. The 2016 segment results have been adjusted for comparability to the 2017 segment presentation for the following changes.

To further strengthen Webster's ability to deliver the totality of its products and services to the owners and executives of commercial clients and other high net worth individuals, an organizational change was made during the second quarter of 2017. Effective April 1, 2017, the head of Private Banking reports directly to the head of Commercial Banking. The current organizational structure reflects how executive management responsibilities are assigned and reviewed. As a result of this change, the Private Banking and Commercial Banking operating segments are aggregated into one reportable segment, Commercial Banking.

In late 2007 Webster discontinued its indirect residential construction lending and its indirect home equity lending outside of its primary New England market area, referred to as National Wholesale Lending. Webster placed these two portfolios into a liquidating loan portfolio included within the Corporate and Reconciling category. The balance of the home equity liquidating loan portfolio was $65.0 million at December 31, 2016. As the remainder of this portfolio has been performing in the same manner as the continuing home equity portfolio, management has decided to combine the liquidating loan portfolio with the continuing home equity loan portfolio. The combined portfolio is included in the Community Banking reportable segment.

50

The following tables present net income (loss), selected balance sheet information, and assets under administration/management for Webster’s reportable segments and the Corporate and Reconciling category for the periods presented:

	Three months ended June 30,						Six months ended June 30,
(In thousands)	2017			2016			2017			2016
Net income (loss):
Commercial Banking	$	29,324		$	25,919		$	63,470		$	49,352
Community Banking	22,727			16,557			37,398			30,204
HSA Bank	11,251			9,047			22,269			19,471
Corporate and Reconciling	(1,723		)	(920		)	(2,087		)	(1,377		)
Total	$	61,579		$	50,603		$	121,050		$	97,650

	At June 30, 2017
(In thousands)	Commercial Banking		Community Banking		HSA Bank		Corporate and Reconciling		Total
Total assets	$	9,433,770	$	8,802,060	$	78,569	$	7,860,531	$	26,174,930
Loans and leases	9,215,191		8,058,376		111		—		17,273,678
Goodwill	—		516,560		21,813		—		538,373
Deposits	3,826,181		11,422,772		4,828,145		380,999		20,458,097
Not included in above amounts:
Assets under administration/management	1,900,109		3,159,101		1,076,040		—		6,135,250
	At December 31, 2016
(In thousands)	Commercial Banking		Community Banking		HSA Bank		Corporate and Reconciling		Total
Total assets	$	9,069,445	$	8,721,046	$	83,987	$	8,198,051	$	26,072,529
Loans and leases	9,066,905		7,959,558		125		—		17,026,588
Goodwill	—		516,560		21,813		—		538,373
Deposits	3,592,531		10,970,977		4,362,503		377,846		19,303,857
Not included in above amounts:
Assets under administration/management	1,781,840		2,980,113		878,190		—		5,640,143

51

Commercial Banking

The Commercial Banking segment includes asset-based lending, commercial real estate, equipment finance, middle market, private banking and treasury and payment solutions, which includes government and institutional banking. Webster Bank’s Commercial Banking group utilizes a relationship approach to providing lending, deposit, and cash management services to middle market companies predominately within its franchise territory. Additionally, it serves as a referral source to Community Banking. Specifically, Webster deploys local decision making through Regional Presidents and capitalizes on the expertise of its Relationship Managers to offer a compelling value proposition to customers and prospects. Webster successfully applies this model throughout its footprint.

Operating Results:

	Three months ended June 30,				Six months ended June 30,
(In thousands)	2017		2016		2017		2016
Net interest income	$	78,946	$	68,862	$	157,193	$	137,157
Provision for loan and lease losses	10,692		11,612		17,489		21,889
Net interest income after provision	68,254		57,250		139,704		115,268
Non-interest income	12,532		14,755		25,956		25,903
Non-interest expense	37,304		33,483		75,428		67,543
Income before income taxes	43,482		38,522		90,232		73,628
Income tax expense	14,158		12,603		26,762		24,276
Net income	$	29,324	$	25,919	$	63,470	$	49,352

Comparison to Prior Year Quarter

Net income increased $3.4 million for the three months ended June 30, 2017 as compared to the same period in 2016. Net interest income increased $10.1 million, primarily due to greater loan and deposit volume. The provision for loan and lease losses decreased $0.9 million primarily due to loan portfolio quality improvement. Non-interest income decreased $2.2 million primarily due to a reduction in client interest rate hedging activity. Non-interest expense increased $3.8 million, primarily due to increased costs in support of investment in treasury products and infrastructure.

Comparison to Prior Year to Date

Net income increased $14.1 million for the six months ended June 30, 2017 as compared to the same period in 2016. Net interest income increased $20.0 million, primarily due to greater loan and deposit volume. The provision for loan and lease losses decreased $4.4 million primarily due to loan portfolio quality improvement. Non-interest income increased $0.1 million, primarily due to an increase in syndication fees, which was partially offset by a decrease in client interest rate hedging activity as compared to the same period in 2016. Non-interest expense increased $7.9 million, primarily due to compensation and benefit costs related to strategic new hires, increased costs in support of investment in treasury products and infrastructure.

Selected Balance Sheet Information and Assets Under Administration:

(In thousands)	At June 30, 2017		At December 31, 2016
Total assets	$	9,433,770	$	9,069,445
Loans and leases	9,215,191		9,066,905
Deposits	3,826,181		3,592,531
Not included in above amounts:
Assets under administration/management	1,900,109		1,781,840

Loans and leases increased $148.3 million at June 30, 2017 compared to December 31, 2016. Loan originations were $1.6 billion for the six months ended June 30, 2017 compared to $1.4 billion for the six months ended June 30, 2016. Management believes the reserve level is adequate to cover losses in the Commercial Banking portfolio. For additional discussion related to asset quality metrics, see the "Asset Quality" section elsewhere within this report. Deposits increased $233.7 million at June 30, 2017 compared to December 31, 2016 primarily due to the acquisition of new clients.

Through the Private Bank Commercial Banking held approximately $288.0 million and $271.7 million in assets under administration at June 30, 2017 and December 31, 2016, respectively, and $1.6 billion and $1.5 billion in assets under management at June 30, 2017 and December 31, 2016, respectively.

52

Community Banking

Community Banking serves consumer and business banking customers primarily throughout southern New England and into Westchester County, New York. This segment is comprised of Personal Banking and Business Banking operating segments, as well as a distribution network consisting of 167 banking centers and 343 ATMs, a customer care center, and a full range of web and mobile-based banking services.

Personal Banking includes the following consumer products: deposit and fee-based services, residential mortgages, home equity lines/loans, unsecured consumer loans, and credit cards. In addition, Webster Bank's investment services division offers investment and securities-related services, including brokerage and investment advice through a strategic partnership with LPL, a broker dealer registered with the SEC, a registered investment advisor under federal and applicable state laws, a member of the FINRA, and a member of the SIPC. Webster Bank has employees who are LPL registered representatives located throughout its banking center network.

Business Banking offers credit, deposit, and cash flow management products to businesses and professional service firms with annual revenues of up to $25 million. This unit builds full customer relationships through business bankers and business certified banking center managers supported by a team of customer care center bankers and industry and product specialists.

In late 2007 Webster discontinued its indirect residential construction lending and its indirect home equity lending outside of its primary New England market area, referred to as National Wholesale Lending. Webster placed these two portfolios into a liquidating loan portfolio and disclosed this as a separate category from its continuing loan portfolio. This portfolio previously had been included in the Corporate and Reconciling category. The balance of the home equity liquidating loans was $65.0 million at December 31, 2016. As the remainder of this portfolio has been performing in the same manner as the continuing home equity loan portfolio, management has decided to combine the liquidating loan portfolio with the continuing home equity loan portfolio. The 2016 segment results have been adjusted for comparability to the 2017 segment presentation.

Operating Results:

	Three months ended June 30,					Six months ended June 30,
(In thousands)	2017			2016		2017		2016
Net interest income	$	95,902		$	91,620	$	189,492	$	182,191
(Benefit) provision for loan and lease losses	(3,442		)	2,388		261		7,711
Net interest income after provision	99,344			89,232		189,231		174,480
Non-interest income	28,058			27,468		53,437		54,118
Non-interest expense	94,322			91,526		189,501		183,537
Income before income taxes	33,080			25,174		53,167		45,061
Income tax expense	10,353			8,617		15,769		14,857
Net income	$	22,727		$	16,557	$	37,398	$	30,204

Comparison to Prior Year Quarter

Net income increased $6.2 million for the three months ended June 30, 2017 as compared to the same period in 2016. Net interest income increased $4.3 million, primarily due to growth in both loans and deposits, coupled with improved spreads on deposits resulting from rising interest rates. The increase was partially offset by the effects of tightening spreads on the loan portfolio. A benefit in 2017 compared to a provision for loan and lease losses in 2016 resulted in a favorable impact of $5.8 million, primarily due to loan portfolio quality improvement. Non-interest income increased $0.6 million resulting from growth in fees from investment services activities and deposit related service charges; partially offset by lower fees from client interest rate hedging and mortgage banking activities. Non-interest expense increased $2.8 million primarily due to primarily due to charges related to banking center optimization, investment in technology infrastructure and net deposit fraud losses.

Comparison to Prior Year to Date

Net income increased $7.2 million for the six months ended June 30, 2017 as compared to the same period in 2016. Net interest income increased $7.3 million, primarily due to growth in both loans and deposits, coupled with improved spreads on deposits resulting from rising interest rates. The overall increase was partially offset by the effects of tightening spreads on the loan portfolio. The provision for loan and lease losses decreased $7.5 million, primarily due to loan portfolio quality improvement. Non-interest income decreased $0.7 million, primarily due to lower fees from mortgage banking activities and client interest rate hedging activities; partially offset by increased fee income from investment management activity and deposit related services charges. Non-interest expense increased $6.0 million, primarily due to increased compensation and benefits, increased investment in technology infrastructure, charges related to banking center optimization, and net deposit fraud losses.

53

Selected Balance Sheet Information and Assets Under Administration:

(In thousands)	At June 30, 2017		At December 31, 2016
Total assets	$	8,802,060	$	8,721,046
Loans	8,058,376		7,959,558
Deposits	11,422,772		10,970,977
Not included in above amounts:
Assets under administration	3,159,101		2,980,113

Loans increased $98.8 million to $8.1 billion at June 30, 2017 compared to December 31, 2016. The net increase is related to growth in residential mortgages and business banking loans; partially offset by net decreases in the equity and unsecured personal loans portfolios. Loan originations were $1.0 billion in the six months ended June 30, 2017 and 2016. Originations increased by $12.1 million driven by residential mortgage originations.

Deposits increased $451.8 million at June 30, 2017 compared to December 31, 2016 associated with the Boston expansion and continued growth in all major deposit product types.

Additionally, Webster Bank's investment services division's assets under administration, in its strategic partnership with LPL, increased $179.0 million to $3.2 billion at June 30, 2017 compared to December 31, 2016.

54

HSA Bank

HSA Bank offers health savings accounts, health reimbursement accounts, flexible spending accounts, and other financial solutions to employers for the benefit of their employees, and to individuals. Health savings accounts are used in conjunction with high deductible health plans and are intended to facilitate tax advantages with respect to health care spending for account holders in accordance with applicable law. Health savings accounts are offered through employers or directly to consumers and are distributed nationwide directly and through national and regional insurance carriers. HSA Bank's deposits provide long duration low-cost funding that is used to support the Company’s loan growth and to reduce the Company’s use of wholesale funding. HSA Bank's net interest income represents the difference between the funding credit received reflecting the value of the duration funding, less the interest paid on deposits. HSA Bank generates non-interest revenue predominantly through service fees and interchange income. As of June 30, 2017, there were $5.9 billion in total footings comprising of $4.8 billion in deposit balances and $1.1 billion in assets under administration through linked brokerage accounts. HSA Bank deposits accounted for 23.6% and 22.6% of the Company’s total deposits as of June 30, 2017 and December 31, 2016, respectively.

Operating Results:

	Three months ended June 30,				Six months ended June 30,
(In thousands)	2017		2016		2017		2016
Net interest income	$	25,574	$	20,005	$	49,626	$	39,924
Non-interest income	19,750		18,114		39,021		38,069
Non-interest expense	28,750		24,688		56,989		48,945
Income before income taxes	16,574		13,431		31,658		29,048
Income tax expense	5,323		4,384		9,389		9,577
Net income	$	11,251	$	9,047	$	22,269	$	19,471

Comparison to Prior Year Quarter

Net income increased $2.2 million for the three months ended June 30, 2017 as compared to the same period in 2016. Net interest income increased $5.6 million, reflecting the growth in deposits and improved deposit spread. Non-interest income increased $1.6 million due primarily to the growth in accounts. Non-interest expense increased $4.1 million in support of account growth and continued investment in key initiatives related to operational excellence, customer service and sales capabilities.

Comparison to Prior Year to Date

Net income increased $2.8 million for the six months ended June 30, 2017 as compared to the same period in 2016. Net interest income increased $9.7 million, reflecting the growth in deposits and improved deposit spread. Non-interest income increased $1.0 million due to increases in account growth. Non-interest expense increased $8.0 million due to increased compensation and benefit costs, increased processing costs in support of business growth as well as continued investment in key initiatives related to operational excellence and customer service.

Selected Balance Sheet Information and Assets Under Administration:

(In thousands)	At June 30, 2017		At December 31, 2016
Total assets	$	78,569	$	83,987
Deposits	4,828,145		4,362,503
Not included in above amounts:
Assets under administration	1,076,040		878,190

Deposits increased $465.6 million at June 30, 2017 compared to December 31, 2016, driven by organic growth.

Additionally, HSA Bank had $1.1 billion in assets under administration through linked brokerage accounts at June 30, 2017 compared to $0.9 billion at December 31, 2016, as the number of account holders with investments continues to increase.

55

Financial Condition

Webster had total assets of $26.2 billion at June 30, 2017 and $26.1 billion at December 31, 2016. Loans and leases of $17.1 billion, net of ALLL of $199.6 million, at June 30, 2017 increased $0.3 billion compared to loans and leases of $16.8 billion, net of ALLL of $194.3 million, at December 31, 2016. Total deposits of $20.5 billion at June 30, 2017 increased $1.2 billion compared to total deposits of $19.3 billion at December 31, 2016. Interest bearing deposits increased 7.2%, during the period, due to growth in health savings and money market accounts.

At June 30, 2017, total shareholders' equity of $2.6 billion increased $78.1 million compared to total shareholders' equity of $2.5 billion at December 31, 2016. Changes in shareholders' equity for the six months ended June 30, 2017 included increases of $121.1 million in net income and $8.0 million for share-based award activity, partially offset by $47.1 million in common dividends, $4.0 million in preferred dividends, and $9.3 million purchases of treasury stock at cost.

The quarterly cash dividend to shareholders has been increased to $0.26 per common share since April 24, 2017. See the selected financial highlights under the "Results of Operations" section and Note 10: Regulatory Matters in the Notes to Condensed Consolidated Financial Statements contained elsewhere in this report for information on Webster’s regulatory capital levels and ratios.

Investment Securities

Webster Bank's investment securities are managed within regulatory guidelines and corporate policy, which include limitations on aspects such as concentrations in and type of investments as well as minimum risk ratings per type of security. The OCC may establish additional individual limits on a certain type of investment if the concentration in such investment presents a safety and soundness concern. In addition to the Bank, the Holding Company also may directly hold investment securities from time-to-time.

Webster maintains, through its Corporate Treasury Unit, investment securities that are primarily structured to provide a source of liquidity for operating needs, to generate interest income, and as a means to manage interest-rate risk. Investment securities are classified into two major categories, available-for-sale and held-to-maturity. Available-for-sale consists primarily of Agency CMO, Agency MBS, Agency CMBS, CMBS, and CLO. Held-to-maturity consists primarily of Agency CMO, Agency MBS, Agency CMBS, municipal bonds and notes, and CMBS. At June 30, 2017, the Company had no holdings in obligations of individual states, counties, or municipalities which exceeded 10% of consolidated shareholders’ equity.

The combined carrying value of investment securities totaled $7.0 billion and $7.2 billion at June 30, 2017 and December 31, 2016, respectively. Available-for-sale investment securities decreased by $183.1 million, primarily due to principal paydowns exceeding principal purchase activity. Held-to-maturity investment securities increased by $58.5 million, primarily due to purchase activity exceeding principal paydowns. On a tax-equivalent basis, the yield in the investment securities portfolio for both the six months ended June 30, 2017 and 2016 was 3.01%.

The Company held $4.2 billion in investment securities that are in an unrealized loss position at June 30, 2017. Approximately $3.5 billion of this total has been in an unrealized loss position for less than twelve months, while the remainder, $0.7 billion, has been in an unrealized loss position for twelve months or longer. The total unrealized loss was $91.8 million at June 30, 2017. These investment securities were evaluated by management and were determined not to be other than temporarily impaired. The Company does not have the intent to sell these investment securities, and it is more likely than not that it will not have to sell these investment securities before the recovery of their cost basis. To the extent that credit movements and other related factors influence the fair value of its investment securities, the Company may be required to record impairment charges for OTTI in future periods.

56

The following table summarizes the amortized cost and fair value of investment securities:

	At June 30, 2017									At December 31, 2016
(In thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value		Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
Available-for-sale:
U.S. Treasury Bills	$	3,843	$	—	$	—		$	3,843	$	734	$	—	$	—		$	734
Agency CMO	359,075		3,064		(3,123		)	359,016		419,865		3,344		(3,503		)	419,706
Agency MBS	888,810		3,764		(16,884		)	875,690		969,460		4,398		(19,509		)	954,349
Agency CMBS	602,446		—		(15,344		)	587,102		587,776		63		(14,567		)	573,272
CMBS	477,932		2,202		(226		)	479,908		473,974		4,093		(702		)	477,365
CLO	361,323		2,026		(224		)	363,125		425,083		2,826		(519		)	427,390
Trust preferred	30,434		891		(123		)	31,202		30,381		—		(1,748		)	28,633
Corporate debt	107,228		906		(54		)	108,080		108,490		1,502		(350		)	109,642
Available-for-sale	$	2,831,091	$	12,853	$	(35,978	)	$	2,807,966	$	3,015,763	$	16,226	$	(40,898	)	$	2,991,091
Held-to-maturity:
Agency CMO	$	297,649	$	1,381	$	(3,170	)	$	295,860	$	339,455	$	1,977	$	(3,824	)	$	337,608
Agency MBS	2,324,270		23,383		(35,115		)	2,312,538		2,317,449		26,388		(41,768		)	2,302,069
Agency CMBS	642,676		309		(2,727		)	640,258		547,726		694		(1,348		)	547,072
Municipal bonds and notes	688,913		5,111		(14,605		)	679,419		655,813		4,389		(25,749		)	634,453
CMBS	265,086		3,862		(252		)	268,696		298,538		4,107		(411		)	302,234
Private Label MBS	604		3		—			607		1,677		12		—			1,689
Held-to-maturity	$	4,219,198	$	34,049	$	(55,869	)	$	4,197,378	$	4,160,658	$	37,567	$	(73,100	)	$	4,125,125

The benchmark 10-year U.S. Treasury rate decreased to 2.31% on June 30, 2017 from 2.45% on December 31, 2016. Webster Bank has the ability to use its investment securities, as well as interest-rate financial instruments within internal policy guidelines, to hedge and manage interest-rate risk as part of its asset/liability strategy. See Note 12: Derivative Financial Instruments in the Notes to Condensed Consolidated Financial Statements contained elsewhere in this report for additional information concerning derivative financial instruments.

Alternative Investments

Investments in Private Equity Funds. The Company has investments in private equity funds. These investments, which totaled $10.7 million at June 30, 2017 and $10.9 million at December 31, 2016, are included in other assets in the accompanying Condensed Consolidated Balance Sheets. The majority of these funds are held at cost based on ownership percentage in the fund, while some are accounted for at fair value using a net asset value. See a further discussion of fair value in Note 13: Fair Value Measurements in the Notes to Condensed Consolidated Financial Statements contained elsewhere in this report. The Company recognized net gains of $330 thousand and $387 thousand for the three and six months ended June 30, 2017, and net gains of $177 thousand and $222 thousand for the three and six months ended June 30, 2016, respectively. These amounts are included in other non-interest income in the accompanying Condensed Consolidated Statements of Income.

Other Non-Marketable Investments. The Company holds certain non-marketable investments, which include preferred share ownership in other equity ventures. These investments, which totaled $5.8 million at June 30, 2017 and $5.5 million at December 31, 2016, are included in other assets in the accompanying Condensed Consolidated Balance Sheets. These funds are held at cost and subject to impairment testing. The Company recorded net gains of $166 thousand and $1.3 million for the three and six months ended June 30, 2017, respectively, and no income or loss for the three months ended June 30, 2016 and $27 thousand net gains for the six months ended June 30, 2016. These amounts are included in other non-interest income in the accompanying Condensed Consolidated Statements of Income.

The Volcker Rule prohibits investments in private equity funds and non-public funds that are considered Covered Funds, as defined in the regulation. On May 4, 2017, the Federal Reserve approved Webster's illiquid funds extension request. As such, compliance with the rule provisions is required by July 21, 2022. See the "Supervision and Regulation" section of Item 1. Business, contained in the Company's 2016 Form 10-K, for additional information on the Volcker Rule, including Covered Funds.

57

Loans and Leases

The following table provides the composition of loans and leases:

	At June 30, 2017			At December 31, 2016
(Dollars in thousands)	Amount		%	Amount		%
Residential	$	4,364,145	25.3	$	4,232,771	24.9
Consumer:
Home equity	2,329,000		13.5	2,395,483		14.1
Other consumer	255,285		1.5	274,336		1.6
Total consumer	2,584,285		15.0	2,669,819		15.7
Commercial:
Commercial non-mortgage	4,300,477		24.9	4,151,740		24.4
Asset-based	864,078		5.0	808,836		4.8
Total commercial	5,164,555		29.9	4,960,576		29.1
Commercial real estate:
Commercial real estate	4,199,193		24.3	4,141,025		24.3
Commercial construction	361,830		2.1	375,041		2.2
Total commercial real estate	4,561,023		26.4	4,516,066		26.5
Equipment financing	580,871		3.4	630,040		3.7
Net unamortized premiums	12,957		0.1	9,402		0.1
Net deferred fees	5,842		—	7,914		—
Total loans and leases	$	17,273,678	100.0	$	17,026,588	100.0

Total residential loans were $4.4 billion at June 30, 2017, an increase of $131.4 million from December 31, 2016. The net increase is a result of direct and correspondent originations, partially offset by payments and payoffs.

Total consumer loans were $2.6 billion at June 30, 2017, a decrease of $85.5 million from December 31, 2016. The net decrease is primarily due to lower outstandings on home equity lines.

Total commercial loans were $5.2 billion at June 30, 2017, an increase of $204.0 million from December 31, 2016. The net increase primarily related to new originations of $1.3 billion, offset by payments and payoffs.

Total commercial real estate loans were $4.6 billion at June 30, 2017, an increase of $45.0 million from December 31, 2016. The net increase is a result of fundings of $377.2 million, offset by payments and payoffs.

Equipment financing loans and leases were $580.9 million at June 30, 2017, a decrease of $49.2 million from December 31, 2016. The net decrease was primarily related to scheduled amortization and higher prepayments, partially offset by new originations of $64.0 million.

Asset Quality

Management maintains asset quality within established risk tolerance levels through its underwriting standards, servicing, and management of loans and leases. Non-performing assets, loan and lease delinquency, and credit loss levels are considered to be key measures of asset quality.

The following table provides key asset quality ratios:

	At June 30, 2017		At December 31, 2016
Non-performing loans and leases as a percentage of loans and leases	0.96	%	0.79	%
Non-performing assets as a percentage of loans and leases plus OREO	0.99		0.81
Non-performing assets as a percentage of total assets	0.65		0.53
Loans and leases over 30 days past due and accruing income as a percentage of loans and leases	0.17		0.25
ALLL as a percentage of non-performing loans and leases	119.96		144.98
ALLL as a percentage of loans and leases	1.16		1.14
Net charge-offs as a percentage of average loans and leases (1)	0.15		0.23
Ratio of ALLL to net charge-offs (1)	7.99x		5.25x

(1) Calculated for the June 30, 2017 period based on the year-to-date net charge-offs, annualized.

58

The following table provides information regarding loans and leases past due 30 days or more and accruing income:

	At June 30, 2017			At December 31, 2016
(Dollars in thousands)	Amount		% (1)	Amount		% (1)
Residential	$	9,831	0.23	$	11,202	0.26
Consumer:
Home equity	11,237		0.48	14,578		0.61
Other consumer	3,123		1.22	3,715		1.35
Commercial:
Commercial non-mortgage	1,910		0.04	1,949		0.05
Commercial real estate:
Commercial real estate	1,013		0.02	8,173		0.20
Equipment financing	883		0.15	1,596		0.25
Loans and leases past due 30-89 days	27,997		0.16	41,213		0.24
Commercial non-mortgage	1,185		0.03	749		0.02
Loans and leases past due 90 days and accruing	1,185		0.03	749		0.02
Total	$	29,182	0.17	$	41,962	0.25
Deferred costs and unamortized premiums	66			86
Total loans and leases over 30 days past due and accruing income	$	29,248		$	42,048

(1) Represents the principal balance of loans and leases past due 30 days or more and accruing income as a percentage of the outstanding principal balance within the comparable loan and lease category, and which excludes the impact of deferred costs and unamortized premiums.

The balance of loans and leases past due 30 days or more and accruing income decreased $12.8 million at June 30, 2017 compared to December 31, 2016 and was centered in commercial real estate and consumer home equity. The ratio of loans and leases past due 30 days or more and accruing income as a percentage of loans and leases declined to 0.17% at June 30, 2017 as compared to 0.25% at December 31, 2016.

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Non-performing Assets

The following table provides information regarding lending-related non-performing assets:

	At June 30, 2017				At December 31, 2016
(Dollars in thousands)	Amount			% (1)	Amount			% (1)
Residential	$	46,018		1.05	$	47,201		1.12
Consumer:
Home equity	40,206			1.73	35,875			1.50
Other consumer	—			—	1,663			0.61
Total consumer	40,206			1.56	37,538			1.41
Commercial:
Commercial non-mortgage	68,430			1.59	38,550			0.93
Asset-based loans	—			—	—			—
Total commercial	68,430			1.32	38,550			0.78
Commercial real estate:
Commercial real estate	11,168			0.27	9,859			0.24
Commercial construction	—			—	662			0.18
Total commercial real estate	11,168			0.24	10,521			0.23
Equipment financing	547			0.09	225			0.04
Total non-performing loans and leases (2)	166,369			0.96	134,035			0.79
Deferred costs and unamortized premiums	(125		)		(219		)
Total recorded investment in non-performing loans and leases	$	166,244			$	133,816
Total non-performing loans and leases	$	166,369			$	134,035
Foreclosed and repossessed assets:
Residential and consumer	3,988				3,911
Commercial and equipment financing	33				—
Total foreclosed and repossessed assets	$	4,021			$	3,911
Total non-performing assets	$	170,390			$	137,946

(1) Represents the principal balance of non-performing loans and leases as a percentage of the outstanding principal balance within the comparable loan and lease category, and which excludes the impact of deferred costs and unamortized premiums.

(2) Includes non-accrual restructured loans and leases of $87.1 million at June 30, 2017 and $75.7 million at December 31, 2016.

Non-performing assets increased $32.4 million at June 30, 2017 compared to December 31, 2016. The increase in non-performing assets at June 30, 2017 is primarily due to three middle market loans that were moved to non-accrual during the year and are being actively monitored and managed, with appropriate reserves established at the time of move to non-accrual. As a result, overall non-performing assets as a percentage of total assets increased to 0.65% at June 30, 2017 as compared to 0.53% at December 31, 2016 and ALLL as a percentage of non-performing loans and leases declined from 144.98% at December 31, 2016 to 119.96% June 30, 2017.

The following table provides detail of non-performing loan and lease activity:

	Six months ended June 30,
(In thousands)	2017			2016
Beginning balance	$	134,035		$	139,941
Additions	77,657			56,055
Paydowns/draws	(29,014		)	(33,245		)
Charge-offs	(13,051		)	(25,654		)
Other reductions	(3,258		)	(4,185		)
Ending balance	$	166,369		$	132,912

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Impaired Loans and Leases

Loans are considered impaired when, based on current information, it is probable the Company will be unable to collect all amounts due in accordance with the original contractual terms of the loan agreement, including scheduled principal and interest payments. Impairment is evaluated on a pooled basis for smaller-balance loans of a similar nature. Consumer and residential loans for which the borrower has been discharged in Chapter 7 bankruptcy are considered collateral dependent impaired loans at the date of discharge. Commercial, commercial real estate, and equipment financing loans and leases over a specific dollar amount, risk rated substandard or worse and non-accruing, all TDRs, and all loans that have had a partial charge-off are evaluated individually for impairment. Impairment may be evaluated at the present value of estimated future cash flows using the original interest rate of the loan or at the fair value of collateral, less estimated selling costs. To the extent that an impaired loan or lease balance is collateral dependent, the Company determines the fair value of the collateral.

For residential and consumer collateral dependent loans, a third-party appraisal is obtained upon loan default. Fair value of the collateral for residential and consumer collateral dependent loans is reevaluated every six months, by either a new appraisal or other valuation methods. Fair value is also reassessed, with any excess amount charged off, for consumer loans that reach 180 days past due in accordance with Federal Financial Institutions Examination Council guidelines. For commercial, commercial real estate, and equipment financing collateral dependent loans and leases, Webster's impairment process requires the Company to determine the fair value of the collateral by obtaining a third-party appraisal or asset valuation, an interim valuation analysis, blue book reference, or other internal methods. Fair value of the collateral for commercial loans is reevaluated quarterly. Whenever the Company has a third-party real estate appraisal performed by independent licensed appraisers, a licensed in-house appraisal officer or qualified reviewer reviews these appraisals for compliance with the Financial Institutions Reform Recovery and Enforcement Act and the Uniform Standards of Professional Appraisal Practice.

A fair value shortfall is recorded as an impairment, thereby increasing the ALLL. Subsequent to an appraisal or other fair value estimate, should reliable information come to management's attention that the value has declined further, additional impairment may be recorded to reflect the particular situation. Any impaired loan for which no specific valuation allowance was necessary is the result of either sufficient cash flow or sufficient collateral coverage of the book balance.

At June 30, 2017, there were 1,641 impaired loans and leases with a recorded investment balance of $273.3 million, which included loans and leases of $179.2 million with an impairment allowance of $18.2 million. This compares to 1,635 impaired loans and leases with a recorded investment balance of $249.4 million, which included loans and leases of $152.6 million, with an impairment allowance of $18.6 million at December 31, 2016. For additional information, see Note 4: Loans and Leases in the Notes to Condensed Consolidated Financial Statements contained elsewhere in this report.

Troubled Debt Restructurings

A modified loan is considered a TDR when two conditions are met: (i) the borrower is experiencing financial difficulties; and (ii) the modification constitutes a concession. Modified terms are dependent upon the financial position and needs of the individual borrower. The Company considers all aspects of the restructuring in determining whether a concession has been granted, including the debtor's ability to access market rate funds. In general, a concession exists when the modified terms of the loan are more attractive to the borrower than standard market terms. The most common types of modifications include covenant modifications, forbearance, and/or other concessions. If the modification agreement is violated, the loan is reevaluated to determine if it should be handled by the Company’s Restructuring and Recovery group for resolution, which may result in foreclosure. Loans for which the borrower has been discharged under Chapter 7 bankruptcy are considered collateral dependent TDRs and thus, impaired at the date of discharge and charged down to the fair value of collateral less cost to sell.

The Company’s policy is to place consumer loan TDRs, except those that were performing prior to TDR status, on non-accrual status for a minimum period of six months. Commercial TDRs are evaluated on a case-by-case basis for determination of whether or not to place them on non-accrual status. Loans qualify for return to accrual status once they have demonstrated performance with the restructured terms of the loan agreement for a minimum of six months. Initially, all TDRs are reported as impaired. Generally, a TDR is classified as an impaired loan and reported as a TDR for the remaining life of the loan. Impaired and TDR classification may be removed if the borrower demonstrates compliance with the modified terms for a minimum of six months and through one fiscal year-end, and the restructuring agreement specifies a market rate of interest equal to that which would be provided to a borrower with similar credit at the time of restructuring. In the limited circumstance that a loan is removed from TDR classification, it is the Company’s policy to continue to base its measure of loan impairment on the contractual terms specified by the loan agreement.

61

The following tables provide information for TDRs:

	Six months ended June 30,
(In thousands)	2017			2016
Beginning balance	$	223,528		$	272,690
Additions	21,291			23,072
Paydowns/draws	(17,498		)	(31,813		)
Charge-offs	(2,584		)	(14,944		)
Transfers to OREO	(1,638		)	(1,507		)
Ending balance	$	223,099		$	247,498

(In thousands)	At June 30, 2017		At December 31, 2016
Accrual status	$	136,047	$	147,809
Non-accrual status	87,052		75,719
Total recorded investment of TDRs	$	223,099	$	223,528
Specific reserves for TDRs included in the balance of ALLL	$	12,101	$	14,583
Additional funds committed to borrowers in TDR status	4,819		459

Overall, TDR balances decreased $0.4 million at June 30, 2017 compared to December 31, 2016. The June 30, 2017 specific reserves for TDRs declined from year end, and reflects management’s current assessment of reserve requirements.

Allowance for Loan and Lease Losses Methodology

The ALLL is maintained at a level deemed sufficient by management to cover probable losses inherent within the loan and lease portfolios. Executive management reviews and advises on the adequacy of these reserves. The ALLL policy is considered a critical accounting policy.

The quarterly process for estimating probable losses is based on predictive models, the current risk profile of loan portfolios, and other relevant factors. Management's judgment and assumptions influence loss estimates and ALLL balances. Management considers factors such as the nature and volume of portfolio growth, national and regional economic conditions and trends, and other internal performance metrics, and how each of these factors is expected to impact near term loss trends. While actual future conditions and realized losses may vary significantly from assumptions, management believes the ALLL is adequate as of June 30, 2017.

Webster Bank’s methodology for assessing an appropriate level of the ALLL includes three key elements:

• Impaired loans and leases are either analyzed on an individual or pooled basis and assessed for specific reserves based on collateral, cash flow, and probability of re-default specific to each loan or lease;

• Loans and leases with similar risk characteristics are segmented into homogeneous pools and modeled using quantitative methods. The commercial portfolio loss estimate is based on the expected loss methodology - specifically, probability of default and loss given default. Changes in risk ratings and other risk factors, for both performing and non-performing loans and leases, will affect the calculation of the allowance. Residential and consumer portfolio loss estimates are based on roll rate models. Webster Bank considers other quantitative contributing factors for risks impacting the performance of loan portfolios that are not explicitly included in the quantitative models and may adjust loss estimates based on these factors. Contributing factors may include, but are not limited to, collateral values, unemployment, and other changes in economic activity, and internal performance metrics; and

• Webster Bank also considers qualitative factors that are not explicitly factored in the quantitative models but that can have an incremental or regressive impact on losses incurred in the current loan and lease portfolio. Examples include staffing levels, credit concentrations, and macro-economic trends. The quantitative and qualitative contributing factors are consistent with interagency regulatory guidance.

ALLL reserve coverage for the six months ended June 30, 2017 increased to 1.16% compared to 1.14% at December 31, 2016, reflecting an updated assessment of inherent losses. The ALLL reserve remains adequate to cover inherent losses in the loan and lease portfolios. The asset quality of the portfolio remained relatively steady with high quality loan originations and a small increase in non-accrual loans during the six months ended June 30, 2017.

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The ALLL methodology for groups of loans collectively evaluated for impairment are comprised of both a quantitative and qualitative analysis. A key assumption in the quantitative component of the reserve is the LEP, which is an estimate of the average amount of time from an event signaling the potential inability of a borrower to continue to pay as agreed to the point at which a loss on that loan is confirmed. In general, the LEP is expected to be shorter in an economic slowdown or recession and longer during times of economic stability or growth as customers are better able to delay loss confirmation after a potential loss event has occurred. In conjunction with the Company's annual review of ALLL assumptions, management has performed an analysis of the LEP for both commercial and consumer loans, using charge-off, servicing and behavioral data. The analysis confirmed a 24 month LEP for the home equity business banking and commercial & industrial loan portfolios. The LEP for unsecured consumer portfolio is 12 months and the LEP for residential mortgages and commercial real estate portfolio are 30 months and 36 months, respectively.Another key ALLL assumption is the LBP, which represents the historical period of time over which data is used to estimate loss rates. Commercial loss models continue to use an LBP that goes back to 2006, with the more recent 2010-2014 years weighted more heavily than the 2006-2009 prior years. The updates to the LEP estimate and the LBP estimate, coupled with the update of the qualitative factors, did not have a material impact on the overall ALLL.

At June 30, 2017 the ALLL was $199.6 million compared to $194.3 million at December 31, 2016. The increase of $5.3 million in the reserve at June 30, 2017 compared to December 31, 2016 is primarily due to growth in both commercial banking and community banking portfolios and increased reserves for certain impaired loans. The ALLL as a percentage of the total loan and lease portfolio increased to 1.16% at June 30, 2017 from 1.14% at December 31, 2016, reflecting an updated assessment of embedded losses and impaired reserves. The ALLL as a percentage of total non-performing loans and leases decreased to 119.96% at June 30, 2017 from 144.98% at December 31, 2016.

The following table provides an allocation of the ALLL by portfolio segment:

	At June 30, 2017			At December 31, 2016
(Dollars in thousands)	Amount		% (1)	Amount		% (1)
Residential	$	18,427	0.42	$	23,226	0.55
Consumer	42,488		1.63	45,233		1.68
Commercial	79,964		1.55	71,905		1.46
Commercial real estate	52,402		1.15	47,477		1.05
Equipment financing	6,297		1.08	6,479		1.02
Total ALLL	$	199,578	1.16	$	194,320	1.14

(1) Percentage represents allocated ALLL to total loans and leases within the comparable category. However, the allocation of a portion of the ALLL to one category of loans and leases does not preclude its availability to absorb losses in other categories.

The following table provides detail of activity in the ALLL:

	At or for the three months ended June 30,						At or for the six months ended June 30,
(In thousands)	2017			2016			2017			2016
Beginning balance	$	199,107		$	174,201		$	194,320		$	174,990
Provision	7,250			14,000			17,750			29,600
Charge-offs:
Residential	(623		)	(638		)	(1,355		)	(2,232		)
Consumer	(5,602		)	(4,556		)	(12,076		)	(8,977		)
Commercial	(2,196		)	(3,525		)	(2,319		)	(14,733		)
Commercial real estate	(100		)	(995		)	(202		)	(2,521		)
Equipment financing	(119		)	(70		)	(304		)	(221		)
Total charge-offs	(8,640		)	(9,784		)	(16,256		)	(28,684		)
Recoveries:
Residential	407			133			644			854
Consumer	1,120			1,194			2,443			2,408
Commercial	317			316			639			773
Commercial real estate	4			212			11			286
Equipment financing	13			156			27			201
Total recoveries	1,861			2,011			3,764			4,522
Net charge-offs	(6,779		)	(7,773		)	(12,492		)	(24,162		)
Ending balance	$	199,578		$	180,428		$	199,578		$	180,428

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The following table provides a summary of net charge-offs (recoveries) to average loans and leases by category:

	Three months ended June 30,							Six months ended June 30,
	2017			2016				2017			2016
(Dollars in thousands)	Amount		% (1)	Amount			% (1)	Amount		% (1)	Amount		% (1)
Residential	$	216	0.02	$	505		0.05	$	711	0.03	$	1,378	0.07
Consumer	4,482		0.68	3,362			0.49	9,633		0.73	6,569		0.48
Commercial	1,879		0.15	3,209			0.29	1,680		0.07	13,960		0.63
Commercial real estate	96		0.01	783			0.08	191		0.01	2,235		0.11
Equipment financing	106		0.07	(86		)	(0.06)	277		0.09	20		0.01
Net charge-offs	$	6,779	0.16	$	7,773		0.19	$	12,492	0.15	$	24,162	0.30

(1) Net charge-offs (recoveries) to average loans and leases, percentage calculated based on net charge-offs (recoveries) period-to-date, annualized.

Net charge-offs decreased $1.0 million and $11.7 million for the three and six months ended June 30, 2017, respectively, compared to the three and six months ended June 30, 2016, respectively. The decreases are primarily due to improved asset quality in commercial loans.Webster Bank has credit policies and procedures in place designed to support lending activity within an acceptable level of risk. Management reviews and approves these policies and procedures on a regular basis. To assist management with its review, reports related to loan production, loan quality, concentrations of credit, loan delinquencies, non-performing loans, and potential problem loans are generated by loan reporting systems.

Commercial loans are underwritten after evaluating and understanding the borrower’s ability to operate and service its debt. Underwriting standards are designed to focus on and support the promotion of relationships rather than transactional banking. Once it is determined that the borrower’s management possesses sound ethics and solid business acumen, the Company examines current and projected cash flows to determine the ability of the borrower to repay obligations as agreed. Commercial and industrial loans are primarily made based on the identified cash flows of the borrower and secondarily on the underlying collateral provided by the borrower. The cash flows of borrowers; however, may not be as expected, and the collateral securing these loans may fluctuate in value. Most commercial and industrial loans are secured by the assets being financed and may incorporate personal guarantees of the principals.

Commercial real estate loans are subject to underwriting standards and processes similar to commercial and industrial loans, in addition to those specific to real estate loans. These loans are viewed primarily as cash flow loans and secondarily as loans secured by real estate. Repayment of these loans is largely dependent on the successful operation of the property securing the loan, the market in which the property is located, and the tenants of the property securing the loan. The properties securing the Company’s commercial real estate portfolio are diverse in terms of type and geographic location, which reduces the Company's exposure to adverse economic events that may affect a particular market. Management monitors and evaluates commercial real estate loans based on collateral, geography, and risk grade criteria. Commercial real estate loans may be adversely affected by conditions in the real estate markets or in the general economy. The Company also utilizes third-party experts to provide insight and guidance about economic conditions and trends affecting its commercial real estate loan portfolio.

Commercial construction loans have unique risk characteristics and are provided to experienced developers/sponsors with strong track records of successful completion and sound financial condition and are underwritten utilizing feasibility studies, independent appraisals, sensitivity analysis of absorption and lease rates, and financial analysis of the developers and property owners. Commercial construction loans are generally based upon estimates of costs and value associated with the complete project. These estimates may be subject to change as the construction project proceeds. In addition, these loans often include partial or full completion guarantees. Sources of repayment for these types of loans may be pre-committed permanent loans from approved long-term lenders, sales of developed property, or an interim loan commitment from the Company until permanent financing is obtained. These loans are closely monitored with on-site inspections by third-party professionals and the Company's internal staff.

Policies and procedures are in place to manage consumer loan risk and are developed and modified, as needed. Policies and procedures, coupled with relatively small loan amounts, and predominately collateralized structures spread across many individual borrowers, minimize risk. Trend and outlook reports are reviewed by management on a regular basis. Underwriting factors for mortgage and home equity loans include the borrower’s FICO score, the loan amount relative to property value, and the borrower’s debt to income level and are also influenced by regulatory requirements. Additionally, Webster Bank originates both qualified mortgage and non-qualified mortgage loans as defined by the Consumer Financial Protection Bureau rules that went into effect on January 10, 2014.

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Sources of Funds and Liquidity

Sources of Funds. The primary source of Webster Bank’s cash flow for use in lending and meeting its general operational needs is deposits. Operating activities, such as loan and mortgage-backed securities repayments, and other investment securities sale proceeds and maturities, also provide cash flow. While scheduled loan and investment security repayments are a relatively stable source of funds, loan and investment security prepayments and deposit inflows are influenced by prevailing interest rates and local economic conditions and are inherently uncertain. Additional sources of funds are provided by FHLB advances or other borrowings.

Federal Home Loan Bank and Federal Reserve Bank Stock. Webster Bank is a member of the Federal Home Loan Bank System, which consists of eleven district Federal Home Loan Banks, each subject to the supervision and regulation of the Federal Housing Finance Agency. An activity-based FHLB capital stock investment is required in order for Webster Bank to access advances and other extensions of credit for sources of funds and liquidity purposes. The FHLB capital stock investment is restricted in that there is no market for it, and it can only be redeemed by the FHLB. The FHLB recently has initiated a process to redeem the holdings of its member banks in excess of their membership and activity requirements, based on current conditions. As a result, Webster Bank held $104.8 million of FHLB capital stock at June 30, 2017 compared to $143.9 million at December 31, 2016, for its membership and for outstanding advances and other extensions of credit. On May 2, 2017, the FHLB paid a cash dividend equal to an annual yield of 4.08%.

Additionally, Webster Bank is required to hold FRB stock equal to 6% of its capital and surplus of which 50% is paid. The remaining 50% is subject to call when deemed necessary by the FRB. The FRB capital stock investment is restricted in that there is no market for it, and it can only be redeemed by the FRB. At both June 30, 2017 and December 31, 2016, Webster Bank held $50.7 million of FRB capital stock. Beginning in 2016, the semi-annual dividend payment from the FRB will be calculated as the lesser of three percent or yield of the 10-year Treasury note auctioned at the last auction held prior to the payment of the dividend.

Deposits. Webster Bank offers a wide variety of deposit products for checking and savings (including: ATM and debit card use, direct deposit, ACH payments, combined statements, mobile banking services, internet-based banking, bank by mail, as well as overdraft protection via line of credit or transfer from another deposit account) designed to meet the transactional, savings, and investment needs for both consumer and business customers throughout 167 banking centers within its primary market area. Webster Bank manages the flow of funds in its deposit accounts and provides a variety of accounts and rates consistent with FDIC regulations. Webster Bank’s Retail Pricing Committee and its Commercial and Institutional Liability Pricing Committee meet regularly to determine pricing and marketing initiatives.

Total deposits were $20.5 billion at June 30, 2017 compared to $19.3 billion at December 31, 2016. The increase is predominately related to health savings accounts up $0.5 billion and money market accounts up $0.3 billion. See Note 7: Deposits in the Notes to Condensed Consolidated Financial Statements contained elsewhere in this report for additional information.

Borrowings. Utilized as a source of funding for liquidity and interest rate risk management purposes, borrowings primarily consist of FHLB advances and securities sold under agreements to repurchase, whereby securities are delivered to counterparties under an agreement to repurchase the securities at a fixed price in the future. At June 30, 2017 and December 31, 2016, FHLB advances totaled $1.8 billion and $2.8 billion, respectively. Webster Bank had additional borrowing capacity from the FHLB of approximately $2.1 billion at June 30, 2017 compared to approximately $1.2 billion at December 31, 2016. Webster Bank also had additional borrowing capacity at the FRB of approximately $0.6 billion at both June 30, 2017 and December 31, 2016. In addition, unpledged investment securities of $4.3 billion at June 30, 2017 could have been used to increase borrowing capacity by approximately $3.5 billion at the FHLB or approximately $3.7 billion at the FRB, or alternatively used for collateral on other borrowings, such as repurchase agreements.

In addition, Webster Bank may utilize term and overnight Fed funds to meet short-term liquidity needs. The Company's long-term debt consists of senior fixed-rate notes maturing in 2024 and junior subordinated notes maturing in 2033. Total borrowed funds were $2.9 billion at June 30, 2017 compared to $4.0 billion at December 31, 2016. Borrowings represented 10.9% and 15.4% of total assets at June 30, 2017 and December 31, 2016, respectively. The reduction in borrowings was primarily related to FHLB advances maturing within one year. For additional information, see Note 8: Borrowings in the Notes to Condensed Consolidated Financial Statements contained elsewhere in this report.

Liquidity. Webster meets its cash flow requirements at an efficient cost under various operating environments through proactive liquidity management at both the Holding Company and Webster Bank. Liquidity comes from a variety of cash flow sources such as operating activities, including principal and interest payments on loans and investments, or financing activities, including unpledged investment securities, which can be sold or utilized to secure funding, and new deposits. Webster is committed to maintaining a strong, increasing base of core deposits to support growth in its loan and lease portfolio. Liquidity is reviewed and managed in order to maintain stable, cost effective funding to promote overall balance sheet strength. Net cash provided by operating activities was $182.0 million for the six months ended June 30, 2017 as compared to $98.8 million for the six months ended June 30, 2016. The increase is significantly a result of derivative activity.

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Holding Company Liquidity. The primary source of liquidity at the Holding Company is dividends from Webster Bank. To a lesser extent, investment income, net proceeds from investment sales, borrowings, and public offerings may provide additional liquidity. The main uses of liquidity are the payment of principal and interest to holders of senior notes and capital securities, the payment of dividends to preferred and common shareholders, repurchases of its common stock, and purchases of available-for-sale investment securities. There are certain restrictions on the payment of dividends by Webster Bank to the Holding Company, which is described in the section captioned "Supervision and Regulation" in Item 1 of Webster’s 2016 Form 10-K. At June 30, 2017, there was $302.4 million of retained earnings available for the payment of dividends by Webster Bank to the Holding Company. Webster Bank paid $30 million in dividends to the Holding Company during the six months ended June 30, 2017.

The Company has a common stock repurchase program authorized by the Board of Directors, with $15.5 million of remaining repurchase authority at June 30, 2017. In addition, Webster periodically acquires common shares outside of the repurchase program related to stock compensation plan activity. The Company records the purchase of shares of common stock at cost based on the settlement date for these transactions. During the six months ended June 30, 2017, a total of 167,726 shares of common stock were repurchased at a cost of approximately $9.3 million. All 167,726 shares purchased during the six months ended June 30, 2017 were acquired at market prices, outside of the repurchase program, related to stock compensation plan activity.

Webster Bank Liquidity. Webster Bank's primary source of funding is core deposits, consisting of demand, checking, savings, health savings, and money market accounts. The primary use of this funding is for loan portfolio growth. Including time deposits, Webster Bank had a loan to total deposit ratio of 84.4% and 88.2% at June 30, 2017 and December 31, 2016, respectively.

Webster Bank is required by OCC regulations to maintain liquidity sufficient to ensure safe and sound operations. Whether liquidity is adequate, as assessed by the OCC, depends on such factors as the overall asset/liability structure, market conditions, competition, and the nature of the institution’s deposit and loan customers. Webster Bank exceeded all regulatory liquidity requirements as of June 30, 2017. Webster has a detailed liquidity contingency plan designed to respond to liquidity concerns in a prompt and comprehensive manner. It is designed to provide early detection of potential problems and details specific actions required to address liquidity stress scenarios.

Applicable OCC regulations require Webster Bank, as a commercial bank, to satisfy certain minimum leverage and risk-based capital requirements. As an OCC regulated commercial institution, it is also subject to a minimum tangible capital requirement. As of June 30, 2017, Webster Bank was in compliance with all applicable capital requirements and exceeded the FDIC requirements for a well-capitalized institution. See Note 10: Regulatory Matters in the Notes to Condensed Consolidated Financial Statements contained elsewhere in this report for a further discussion of regulatory requirements applicable to Webster Financial Corporation and Webster Bank.

The liquidity position of the Company is continuously monitored, and adjustments are made to the balance between sources and uses of funds as deemed appropriate. Management is not aware of any events that are reasonably likely to have a material adverse effect on the Company’s liquidity, capital resources, or operations. In addition, management is not aware of any regulatory recommendations regarding liquidity, which, if implemented, would have a material adverse effect on the Company.

Off-Balance Sheet Arrangements

Webster engages in a variety of financial transactions that, in accordance with GAAP, are not recorded in the financial statements or are recorded in amounts that differ from the notional amounts. Such transactions are utilized in the normal course of business, for general corporate purposes or for customer financing needs. Corporate purpose transactions are structured to manage credit, interest rate, and liquidity risks, or to optimize capital. Customer transactions are structured to manage their funding requirements or facilitate certain trade arrangements. These transactions give rise to, in varying degrees, elements of credit, interest rate, and liquidity risk. For the six months ended June 30, 2017, Webster did not engage in any off-balance sheet transactions that would have a material effect on its financial condition. For additional information, see Note 17: Commitments and Contingencies in the Notes to Condensed Consolidated Financial Statements contained elsewhere in this report.

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Asset/Liability Management and Market Risk

An effective asset/liability management process must balance the risks and rewards from both short and long-term interest rate risks in determining management strategy and action. To facilitate and manage this process, interest rate sensitivity is monitored on an ongoing basis by ALCO. The primary goal of ALCO is to manage interest rate risk to maximize net income and net economic value over time in changing interest rate environments subject to Board approved risk limits. The Board sets policy limits for earnings at risk for parallel ramps in interest rates over twelve months of plus and minus 100 and 200 basis points. Economic value or "equity at risk" limits are set for parallel shocks in interest rates of plus and minus 100 and 200 basis points. Based on the near historic lows in short-term interest rates at June 30, 2017 and December 31, 2016, the declining interest rate scenarios of minus 100 basis points or more for both the earnings at risk for parallel ramps and the equity at risk for parallel shocks have been temporarily suspended per ALCO policy. ALCO also regularly reviews earnings at risk scenarios for non-parallel changes in rates, as well as longer-term earnings at risk for up to four years in the future.

Management measures interest rate risk using simulation analysis to calculate earnings and equity at risk. These risk measures are quantified using simulation software from one of the leading firms in the field of asset/liability modeling. Key assumptions relate to the behavior of interest rates and spreads, prepayment speeds, and the run-off of deposits are included in the simulation analysis. From such simulations, interest rate risk is quantified, and appropriate strategies are formulated and implemented.

Earnings at risk is defined as the change in earnings (excluding provision for loan and lease losses and income tax expense) due to changes in interest rates. Interest rates are assumed to change up or down in a parallel fashion, and earnings results are compared to a flat rate scenario as a base. The flat rate scenario holds the end of the period yield curve constant over the twelve month forecast horizon. Earnings simulation analysis incorporates assumptions about balance sheet changes such as asset and liability growth, loan and deposit pricing, and changes to the mix of assets and liabilities. It is a measure of short-term interest rate risk. Equity at risk is defined as the change in the net economic value of assets and liabilities due to changes in interest rates compared to a base net economic value. Equity at risk analyzes sensitivity in the present value of cash flows over the expected life of existing assets, liabilities, and off-balance sheet contracts. It is a measure of the long-term interest rate risk to future earnings streams embedded in the current balance sheet.

Asset sensitivity is defined as earnings or net economic value increasing compared to a base scenario when interest rates rise and decreasing when interest rates fall. In other words, assets are more sensitive to changing interest rates than liabilities and, therefore, re-price faster. Likewise, liability sensitivity is defined as earnings or net economic value decreasing compared to a base scenario when interest rates rise and increasing when interest rates fall.

Key assumptions underlying the present value of cash flows include the behavior of interest rates and spreads, asset prepayment speeds, and attrition rates on deposits. Cash flow projections from the model are compared to market expectations for similar collateral types and adjusted based on experience with Webster Bank's own portfolio. The model's valuation results are compared to observable market prices for similar instruments whenever possible. The behavior of deposit and loan customers is studied using historical time series analysis to model future customer behavior under varying interest rate environments.

The equity at risk simulation process uses multiple interest rate paths generated by an arbitrage-free trinomial lattice term structure model. The Base Case rate scenario, against which all others are compared, uses the month-end LIBOR/Swap yield curve as a starting point to derive forward rates for future months. Using interest rate swap option volatilities as inputs, the model creates multiple rate paths for this scenario with forward rates as the mean. In shock scenarios, the starting yield curve is shocked up or down in a parallel fashion. Future rate paths are then constructed in a similar manner to the Base Case.

Cash flows for all instruments are generated using product specific prepayment models and account specific system data for properties such as maturity date, amortization type, coupon rate, repricing frequency, and repricing date. The asset/liability simulation software is enhanced with a mortgage prepayment model and a Collateralized Mortgage Obligation database. Instruments with explicit options such as caps, floors, puts and calls, and implicit options such as prepayment and early withdrawal ability require such a rate and cash flow modeling approach to more accurately quantify value and risk. On the asset side, risk is impacted the most by mortgage loans and mortgage-backed securities, which can typically prepay at any time without penalty and may have embedded caps and floors. In the loan portfolio, floors are a benefit to interest income in this low rate environment. Floating-rate loans at floors pay a higher interest rate than a loan at a fully indexed rate without a floor, as with a floor there is a limit on how low the interest rate can fall. As market rates rise, however, the interest rate paid on these loans does not rise until the fully indexed rate rises through the contractual floor. On the liability side, there is a large concentration of customers with indeterminate maturity deposits who have options to add or withdraw funds from their accounts at any time. Webster Bank also has the option to change the interest rate paid on these deposits at any time.

Webster's earnings at risk model incorporates net interest income, non-interest income and expense items, some of which vary with interest rates. These items include mortgage banking income, servicing rights, cash management fees, and derivative mark-to-market adjustments.

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Four main tools are used for managing interest rate risk:

• the size and duration of the investment portfolio,

• the size and duration of the wholesale funding portfolio,

• off-balance sheet interest rate contracts, and

• the pricing and structure of loans and deposits.

ALCO meets at least monthly to make decisions on the investment and funding portfolios based on the economic outlook, the Committee's interest rate expectations, the risk position, and other factors. ALCO delegates pricing and product design responsibilities to individuals and sub-committees but monitors and influences their actions on a regular basis.

Various interest rate contracts, including futures and options, interest rate swaps, and interest rate caps and floors can be used to manage interest rate risk. These interest rate contracts involve, to varying degrees, credit risk and interest rate risk. Credit risk is the possibility that a loss may occur if a counterparty to a transaction fails to perform according to the terms of the contract. The notional amount of interest rate contracts is the amount upon which interest and other payments are based. The notional amount is not exchanged, and therefore, should not be taken as a measure of credit risk. See Note 12: Derivative Financial Instruments in the Notes to Condensed Consolidated Financial Statements contained elsewhere in this report for additional information.

Certain derivative instruments, primarily forward sales of mortgage-backed securities, are utilized by Webster Bank in its efforts to manage risk of loss associated with its mortgage banking activities. Prior to closing and funds disbursement, an interest-rate lock commitment is generally extended to the borrower. During such time, Webster Bank is subject to risk that market rates of interest may change impacting pricing on loan sales. In an effort to mitigate this risk, forward delivery sales commitments are established, thereby setting the sales price.

The following table summarizes the estimated impact that gradual parallel changes in income of 100 and 200 basis points, over a twelve month period starting June 30, 2017 and December 31, 2016, might have on Webster’s NII for the subsequent twelve month period compared to NII assuming no change in interest rates:

NII	-200bp	-100bp	+100bp	+200bp
June 30, 2017	N/A	N/A	2.8%	5.6%
December 31, 2016	N/A	N/A	2.4%	4.7%

The following table summarizes the estimated impact that gradual parallel changes in interest rates of 100 and 200 basis points, over a twelve month period starting June 30, 2017 and December 31, 2016, might have on Webster’s PPNR for the subsequent twelve month period compared to PPNR assuming no change in interest rates:

PPNR	-200bp	-100bp	+100bp	+200bp
June 30, 2017	N/A	N/A	3.6%	8.1%
December 31, 2016	N/A	N/A	2.9%	6.3%

Interest rates are assumed to change up or down in a parallel fashion, and NII and PPNR results in each scenario are compared to a flat rate scenario as a base. The flat rate scenario holds the end of period yield curve constant over a twelve month forecast horizon. The flat rate scenario as of June 30, 2017 and December 31, 2016 assumed a Fed Funds rate of 1.25% and 0.75% respectively. Asset sensitivity for both NII and PPNR on June 30, 2017 was higher as compared to December 31, 2016, primarily due to growth in deposits, primarily health savings accounts and a reduction in borrowings. Since the Fed Funds rate was at 1.25% on June 30, 2017, the -100 and -200 basis point scenarios have been excluded.

Webster can also hold futures, options, and forward foreign currency contracts to minimize the price volatility of certain assets and liabilities. Changes in the market value of these positions are recognized in earnings.

The following table summarizes the estimated impact that immediate non-parallel changes in income might have on Webster’s NII for the subsequent twelve month period starting June 30, 2017 and December 31, 2016:

	Short End of the Yield Curve				Long End of the Yield Curve
NII	-100bp	-50bp	+50bp	+100bp	-100bp	-50bp	+50bp	+100bp
June 30, 2017	N/A	(3.6)%	1.6%	3.2%	(4.2)%	(1.8)%	1.3%	2.4%
December 31, 2016	N/A	N/A	1.2%	2.3%	(3.8)%	(1.6)%	1.3%	2.3%

The following table summarizes the estimated impact that immediate non-parallel changes in interest rates might have on Webster’s PPNR for the subsequent twelve month period starting June 30, 2017 and December 31, 2016:

	Short End of the Yield Curve				Long End of the Yield Curve
PPNR	-100bp	-50bp	+50bp	+100bp	-100bp	-50bp	+50bp	+100bp
June 30, 2017	N/A	(6.4)%	2.4%	4.5%	(5.4)%	(2.0)%	1.6%	3.7%
December 31, 2016	N/A	N/A	1.4%	2.7%	(5.6)%	(2.1)%	1.7%	3.7%

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The non-parallel scenarios are modeled with the short end of the yield curve moving up or down 50 and 100 basis points, while the long end of the yield curve remains unchanged and vice versa. The short end of the yield curve is defined as terms of less than eighteen months, and the long end as terms of greater than eighteen months. These results above reflect the annualized impact of immediate rate changes. The actual impact can be uneven during the year especially in the short end scenarios where asset yields tied to Prime or LIBOR change immediately, while certain deposit rate changes take more time.

Sensitivity to increases in the short end of the yield curve for NII and PPNR increased from December 31, 2016 due to higher forecasted health savings accounts balances and a reduction in borrowings. Sensitivity to decreases in the long end of the yield curve was essentially unchanged from December 31, 2016 in both NII and PPNR.

Sensitivity to increases in the long end of the yield curve was essentially unchanged from December 31, 2016 in both NII and PPNR.

The following table summarizes the estimated economic value of assets, liabilities, and off-balance sheet contracts at June 30, 2017 and December 31, 2016 and the projected change to economic values if interest rates instantaneously increase or decrease by 100 basis points:

	Book Value		Estimated Economic Value		Estimated Economic Value Change
(Dollars in thousands)					-100 bp	+100 bp
June 30, 2017
Assets	$	26,174,930	$	25,598,911	N/A	$	(604,694	)
Liabilities	23,569,804		22,586,032		N/A	(597,988		)
Net	$	2,605,126	$	3,012,879	N/A	$	(6,706	)
Net change as % base net economic value						(0.2		)%
December 31, 2016
Assets	$	26,072,529	$	25,527,648	N/A	$	(633,934	)
Liabilities	23,545,517		22,650,967		N/A	(555,854		)
Net	$	2,527,012	$	2,876,681	N/A	$	(78,080	)
Net change as % base net economic value						(2.7		)%

Changes in economic value can be best described using duration. Duration is a measure of the price sensitivity of financial instruments for small changes in interest rates. For fixed-rate instruments, it can also be thought of as the weighted-average expected time to receive future cash flows. For floating-rate instruments, it can be thought of as the weighted-average expected time until the next rate reset. The longer the duration, the greater the price sensitivity for given changes in interest rates. Floating-rate instruments may have durations as short as one day and, therefore, have very little price sensitivity due to changes in interest rates. Increases in interest rates typically reduce the value of fixed-rate assets as future discounted cash flows are worth less at higher discount rates. A liability's value decreases for the same reason in a rising rate environment. A reduction in value of a liability is a benefit to Webster.

Duration gap is the difference between the duration of assets and the duration of liabilities. A duration gap near zero implies that the balance sheet is matched and would exhibit no change in estimated economic value for a small change in interest rates. Webster's duration gap was negative 0.8 years at June 30, 2017. At December 31, 2016, the duration gap was negative 0.4 years. A negative duration gap implies that liabilities are longer than assets and, therefore, they have more price sensitivity than assets and will reset their interest rates slower than assets. Consequently, Webster's net estimated economic value would generally be expected to increase when interest rates rise as the benefit of the decreased value of liabilities would more than offset the decreased value of assets. The opposite would generally be expected to occur when interest rates fall. Earnings would also generally be expected to increase when interest rates rise and decrease when interest rates fall over the longer term absent the effects of new business booked in the future. The change in Webster's duration gap is due primarily to the increase in health savings accounts and demand deposit balances as of June 30, 2017.

These estimates assume that management does not take any action to mitigate any positive or negative effects from changing interest rates. The earnings and economic values estimates are subject to factors that could cause actual results to differ. Management believes that Webster's interest rate risk position at June 30, 2017 represents a reasonable level of risk given the current interest rate outlook. Management, as always, is prepared to act in the event that interest rates do change rapidly.

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Impact of Inflation and Changing Prices

The Condensed Consolidated Financial Statements and related data presented herein have been prepared in accordance with GAAP, which requires the measurement of financial position and operating results in terms of historical dollars without considering changes in the relative purchasing power of money over time due to inflation.

Unlike most industrial companies, substantially all of the assets and liabilities of a banking institution are monetary in nature. As a result, interest rates have a more significant impact on Webster's performance than the effects of general levels of inflation. Interest rates do not necessarily move in the same direction or in the same magnitude as the price of goods and services.

ITEM 3. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

The required information is set forth above, in Item 2. Management's Discussion and Analysis of Financial Condition and Results of Operations, see the section captioned "Asset/Liability Management and Market Risk," which is incorporated herein by reference.

ITEM 4. CONTROLS AND PROCEDURES

As of June 30, 2017, the Company carried out an evaluation, under the supervision and with the participation of the Company's management, including its Chief Executive Officer and its Chief Financial Officer, of the effectiveness of the Company's disclosure controls and procedures (as defined in Rules 13a-15(e) or 15d-15(e) of the Securities Exchange Act of 1934). Based on this evaluation, management concluded that our disclosure controls and procedures and internal control over financial reporting were not effective as of June 30, 2017 as a result of an identified material weakness, as described in the Company's 2016 Form 10-K, resulting from the aggregation of control deficiencies in management’s review of the allowance for loan loss model including certain process level controls preventing unapproved changes in modeling assumptions as well as the precision of management’s review over the valuation of allowance for loan and lease losses balance. This material weakness did not result in any misstatement of the Company's consolidated financial statements for any period presented. The Company's remediation efforts related to this material weakness are ongoing. Except as described below, there were no changes in the Company’s internal control over financial reporting that occurred during the period covered by this report that have materially affected, or are reasonably likely to materially affect, the Company’s internal control over financial reporting.

Remediation Plan for Material Weakness in Internal Control Over Financial Reporting

In response to the material weakness identified above, the Company has implemented changes to its internal control over financial reporting, including changes to personnel responsible for the allowance for loan loss process, developing a stronger assessment of the ALLL internal control framework and stronger communication protocols. As of the date of this filing, the Company has not concluded that the material weakness has been fully remediated.

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PART II - OTHER INFORMATION

ITEM 1. LEGAL PROCEEDINGS

From time to time, Webster and its subsidiaries are subject to certain legal proceedings and claims in the ordinary course of business. Management presently believes that the ultimate outcome of these proceedings, individually and in the aggregate, will not be material to Webster or its consolidated financial position. Webster establishes an accrual for specific legal matters when it determines that the likelihood of an unfavorable outcome is probable and the loss is reasonably estimable. Legal proceedings are subject to inherent uncertainties, and unfavorable rulings could occur that could cause Webster to adjust its litigation accrual or could have, individually or in the aggregate, a material adverse effect on its business, financial condition, or operating results.

ITEM 1A. RISK FACTORS

During the six months ended June 30, 2017, there were no material changes to the risk factors previously disclosed in Webster's Annual Report on Form 10-K for the year ended December 31, 2016.

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

Issuer Purchases of Equity Securities

The following table provides information with respect to any purchase of equity securities of Webster Financial Corporation's common stock made by or on behalf of Webster or any "affiliated purchaser," as defined in Rule 10b-18(a)(3) under the Securities Exchange Act of 1934, during the three months ended June 30, 2017:

Period	Total Number of Shares Purchased (1)	Average Price Paid Per Share		Total Number of Shares Purchased as Part of Publicly Announced Plans or Programs	Maximum Dollar Amount Available for Repurchase Under the Plans or Programs (1)		Total Number of Warrants Purchased (2)	Average Price Paid Per Warrant
April 1-30, 2017	848	$	50.04	—	$	15,488,842	—	$	—
May 1-31, 2017	4,097	49.96		—	15,488,842		—	—
June 1-30, 2017	834	52.01		—	15,488,842		—	—
Total	5,779	50.27		—	15,488,842		—	—

(1) On December 6, 2012, the Company announced that its Board of Directors had approved the current common stock repurchase program which authorizes management to repurchase, in open market or privately negotiated transactions, subject to market conditions and other factors, up to a maximum of $100 million of common stock, and will remain in effect until fully utilized or until modified, superseded, or terminated.

All 5,779 shares purchased during the three months ended June 30, 2017 were acquired outside of the repurchase program related to stock compensation plan activity, at market prices.

(2) On June 3, 2011, the Company announced that, with approval from its Board of Directors, it had repurchased a significant number of the warrants issued as part of Webster's participation in the U.S. Treasury's Capital Purchase Program in a public auction conducted on behalf of the U.S. Treasury. The Board approved plan provides for additional repurchases from time-to-time, as permitted by securities laws and other legal requirements. There remain 9,777 outstanding warrants to purchase a share (1:1) of the Company's common stock, which carry an exercise price of $18.28 per share and expire on November 21, 2018.

Restrictions on Dividends

Holders of the Company's common stock are entitled to receive such dividends as the Board of Directors may declare out of funds legally available for such payments. Also, as a bank holding company, the ability to declare and pay dividends is dependent on certain federal regulatory considerations. See Note 10: Regulatory Matters in the Notes to Condensed Consolidated Financial Statements contained elsewhere in this report for additional information.

The Company has 5,060,000 outstanding Depository Shares, each representing 1/1000th interest in a share of 6.40% Series E Non-Cumulative Perpetual Preferred Stock, par value $.01 per share, with a liquidation preference of $25,000 per share (or $25 per depository share). The Series E Preferred Stock is redeemable at Webster's option, in whole or in part, on December 15, 2017, or any dividend payment date thereafter, or in whole but not in part, upon a "regulatory capital treatment event" as defined in the Prospectus Supplement. The terms of the Series E Preferred Stock prohibit the Company from declaring or paying any cash dividends on its common stock, unless Webster has declared and paid full dividends on the Series E Preferred Stock for the most recently completed dividend period.

71

ITEM 3. DEFAULTS UPON SENIOR SECURITIES

Not applicable

ITEM 4. MINE SAFETY DISCLOSURES

Not applicable

ITEM 5. OTHER INFORMATION

Not applicable

ITEM 6. EXHIBITS

The exhibits to this Quarterly Report on Form 10-Q are set forth on the Exhibit Index immediately preceding such exhibits and are incorporated herein by reference.

72

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 thereunto duly authorized.

		WEBSTER FINANCIAL CORPORATION
		Registrant
Date: August 4, 2017	By:	/s/ James C. Smith
		James C. Smith
		Chairman and Chief Executive Officer
		(Principal Executive Officer)
Date: August 4, 2017	By:	/s/ Glenn I. MacInnes
		Glenn I. MacInnes
		Executive Vice President and Chief Financial Officer
		(Principal Financial Officer and
		Principal Accounting Officer)

73

WEBSTER FINANCIAL CORPORATION

EXHIBIT INDEX

Exhibit Number	Exhibit Description	Filed Herewith	Incorporated by Reference
			Form	Exhibit	Filing Date
3	Certificate of Incorporation and Bylaws.
3.1	Fourth Amended and Restated Certificate of Incorporation		10-Q	3.1	8/9/2016
3.2	Certificate of Designations establishing the rights of the Company's 8.50% Series A Non-Cumulative Perpetual Convertible Preferred Stock		8-K	3.1	6/11/2008
3.3	Certificate of Designations establishing the rights of the Company's Fixed Rate Cumulative Perpetual Preferred Stock, Series B		8-K	3.1	11/24/2008
3.4	Certificate of Designations establishing the rights of the Company's Perpetual Participating Preferred Stock, Series C		8-K	3.1	7/31/2009
3.5	Certificate of Designations establishing the rights of the Company's Non-Voting Perpetual Participating Preferred Stock, Series D		8-K	3.2	7/31/2009
3.6	Certificate of Designations establishing the rights of the Company's 6.40% Series E Non-Cumulative Perpetual Preferred Stock		8-A12B	3.3	12/4/2012
3.7	Bylaws, as amended effective June 9, 2014		8-K	3.1	6/12/2014
10.1 *	Non-Competition Agreement, dated as of April 3, 2017, between Webster Financial Corporation, and Daniel Bley		10-Q	10.1	5/5/2017
10.2 *	Non-Competition Agreement, dated as of April 3, 2017, between Webster Financial Corporation, and John Ciulla		10-Q	10.2	5/5/2017
10.3 *	Non-Competition Agreement, dated as of April 3, 2017, between Webster Financial Corporation, and Nitin Mhatre		10-Q	10.3	5/5/2017
10.4 *	Non-Competition Agreement, dated as of April 3, 2017, between Webster Financial Corporation, and Christopher Motl		10-Q	10.4	5/5/2017
10.5 *	Non-Competition Agreement, dated as of April 3, 2017, between Webster Financial Corporation, and Charles Wilkins		10-Q	10.5	5/5/2017
31.1	Certification pursuant to Section 302 of the Sarbanes-Oxley Act of 2002, signed by the Chief Executive Officer.	X
31.2	Certification pursuant to Section 302 of the Sarbanes-Oxley Act of 2002, signed by the Chief Financial Officer.	X
32.1 +	Written statement pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, signed by the Chief Executive Officer.	X
32.2 +	Written statement pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, signed by the Chief Financial Officer.	X
101.INS	XBRL Instance Document - the instance document does not appear in the Interactive Data File because its XBRL tags are embeded within the Inline XBRL document
101.SCH	XBRL Taxonomy Extension Schema Document	X
101.CAL	XBRL Taxonomy Extension Calculation Linkbase Document	X
101.DEF	XBRL Taxonomy Extension Definitions Linkbase Document	X
101.LAB	XBRL Taxonomy Extension Label Linkbase Document	X
101.PRE	XBRL Taxonomy Extension Presentation Linkbase Document	X

* This exhibit is a management contract, or compensatory plan, or arrangement in which directors or executive officers are eligible to participate.

+ This exhibit shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, or otherwise subject to the liability of that section, and shall not be deemed to be incorporated by reference into any filing under the Securities Act of 1933 or the Securities Exchange Act of 1934.

74

EX-31.1

EXHIBIT 31.1

CERTIFICATION

I, James C. Smith, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Webster Financial Corporation;

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 4, 2017

/s/ James C. Smith

James C. Smith

Chairman and Chief Executive Officer

EX-31.2

EXHIBIT 31.2

CERTIFICATION

I, Glenn I. MacInnes, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Webster Financial Corporation;

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 4, 2017

/s/ Glenn I. MacInnes

Glenn I. MacInnes

Executive Vice President and Chief Financial Officer

(Principal Financial Officer)

EX-32.1

EXHIBIT 32.1

CERTIFICATION OF CHIEF EXECUTIVE OFFICER PURSUANT TO 18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

Pursuant to 18 U.S.C. § 1350, as created by Section 906 of the Sarbanes-Oxley Act of 2002, the undersigned officer of Webster Financial Corporation (the “Company”) hereby certifies that, to his knowledge on the date hereof:

(a) the Form 10-Q Report of the Company for the quarter ended June 30, 2017 filed on the date hereof with the Securities and Exchange Commission (the “Report”) fully complies with the requirements of Section 13(a) or Section 15(d), as applicable, of the Securities Exchange Act of 1934, as amended; and

(b) the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date: August 4, 2017

/s/ James C. Smith

James C. Smith

Chairman and Chief Executive Officer

Pursuant to Securities and Exchange Commission Release 33-8238, dated June 5, 2003, this certification is being furnished and shall not be deemed filed by the Company for purposes of Section 18 of the Securities Exchange Act of 1934, as amended or incorporated by reference in any registration statement of the Company filed under the Securities Act of 1933, as amended, except to the extent that the Company specifically incorporates it by reference.

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 OF CHIEF FINANCIAL OFFICER PURSUANT TO 18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

Pursuant to 18 U.S.C. § 1350, as created by Section 906 of the Sarbanes-Oxley Act of 2002, the undersigned officer of Webster Financial Corporation (the “Company”) hereby certifies that, to his knowledge on the date hereof:

(a) the Form 10-Q Report of the Company for the quarter ended June 30, 2017 filed on the date hereof with the Securities and Exchange Commission (the “Report”) fully complies with the requirements of Section 13(a) or Section 15(d), as applicable, of the Securities Exchange Act of 1934, as amended; and

(b) the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date: August 4, 2017

/s/ Glenn I. MacInnes

Glenn I. MacInnes

Executive Vice President and Chief Financial Officer

(Principal Financial Officer)

Pursuant to Securities and Exchange Commission Release 33-8238, dated June 5, 2003, this certification is being furnished and shall not be deemed filed by the Company for purposes of Section 18 of the Securities Exchange Act of 1934, as amended or incorporated by reference in any registration statement of the Company filed under the Securities Act of 1933, as amended, except to the extent that the Company specifically incorporates it by reference.

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, 2017	Jul. 31, 2017
Document and Entity Information [Abstract]
Document Period End Date	Jun. 30, 2017
Document Type	10-Q
Amendment Flag	false
Entity Registrant Name	WEBSTER FINANCIAL CORPORATION
Entity Common Stock, Shares Outstanding		92,075,458
Document Fiscal Year Focus	2017
Document Fiscal Period Focus	Q2
Trading Symbol	WBS
Entity Central Index Key	0000801337
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer

XML

Condensed Consolidated Balance Sheets - USD ($) $ in Thousands		Jun. 30, 2017	Dec. 31, 2016
Assets:
Cash and due from banks		$ 231,808	$ 190,663
Interest-bearing deposits		33,662	29,461
Securities available-for-sale		2,807,966	2,991,091
Securities held-to-maturity (fair value of $4,197,378 and $4,125,125)		4,219,198	4,160,658
Federal Home Loan Bank and Federal Reserve Bank stock		155,505	194,646
Loans held for sale (valued under fair value option $39,407 and $60,260)		39,407	67,577
Loans and leases	[1],[2]	17,273,678	17,026,588
Allowance for loan and lease losses		(199,578)	(194,320)
Loans and leases, net		17,074,100	16,832,268
Deferred tax assets, net		80,942	84,391
Premises and equipment, net		131,833	137,413
Goodwill		538,373	538,373
Other intangible assets, net		31,591	33,674
Cash surrender value of life insurance policies		524,674	517,852
Accrued interest receivable and other assets		305,871	294,462
Total assets		26,174,930	26,072,529
Liabilities and shareholders' equity:
Noninterest-bearing Deposit Liabilities		4,074,819	4,021,061
Interest-bearing Deposit Liabilities		16,383,278	15,282,796
Total deposits		20,458,097	19,303,857
Securities sold under agreements to repurchase and other borrowings		872,692	949,526
Federal Home Loan Bank advances		1,767,757	2,842,908
Long-term debt		225,640	225,514
Accrued expenses and other liabilities		245,618	223,712
Total liabilities		23,569,804	23,545,517
Shareholders’ equity:
Preferred stock, $.01 par value; Authorized - 3,000,000 shares: Series E issued and outstanding (5,060 shares)		122,710	122,710
Common stock, $.01 par value: Authorized - 200,000,000 shares: Issued (93,651,601 shares)		937	937
Paid-in capital		1,124,661	1,125,937
Retained earnings		1,496,300	1,425,320
Treasury stock, at cost (1,628,450 and 1,899,502 shares)		(67,400)	(70,899)
Accumulated other comprehensive loss, net of tax		(72,082)	(76,993)
Total shareholders' equity		2,605,126	2,527,012
Total liabilities and shareholders' equity		$ 26,174,930	$ 26,072,529

[1] At June 30, 2017, the Company had pledged $6.2 billion of eligible residential, consumer and commercial loans as collateral to support borrowing capacity at the FHLB Boston and the FRB of Boston.

[2] Loans and leases include net deferred fees and net premiums/discounts of $18.8 million and $17.3 million at June 30, 2017 and December 31, 2016, respectively.

XML

Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Securities held-to-maturity ,fair value	$ 4,197,378	$ 4,125,125
Originated loans held for sale	$ 39,407	$ 60,260
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized (in shares)	3,000,000	3,000,000
Preferred stock, shares issued (in shares)	5,060	5,060
Preferred stock, shares outstanding (in shares)	5,060	5,060
Common stock par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	200,000,000	200,000,000
Common stock, shares issued (in shares)	93,679,599	93,651,601
Treasury stock ,shares (in shares)	1,628,450	1,899,502

XML

Condensed Consolidated Statements of Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Interest Income:
Interest and fees on loans and leases	$ 174,456	$ 152,171	$ 342,264	$ 301,979
Taxable interest and dividends on securities	46,408	45,311	92,348	93,350
Non-taxable interest on securities	5,722	4,656	11,338	8,871
Loans held for sale	203	293	519	566
Total interest income	226,789	202,431	446,469	404,766
Interest Expense:
Deposits	14,679	12,374	28,114	24,673
Securities sold under agreements to repurchase and other borrowings	3,583	3,379	7,123	7,552
Federal Home Loan Bank advances	8,156	7,291	15,649	14,538
Long-term debt	2,584	2,482	5,132	4,946
Total interest expense	29,002	25,526	56,018	51,709
Net interest income	197,787	176,905	390,451	353,057
Provision for loan and lease losses	7,250	14,000	17,750	29,600
Net interest income after provision for loan and lease losses	190,537	162,905	372,701	323,457
Non-interest Income:
Deposit service fees	38,192	34,894	75,198	69,819
Loan and lease related fees	6,344	6,266	13,552	11,310
Wealth and investment services	7,877	7,204	15,150	14,399
Mortgage banking activities	3,351	3,753	5,617	7,013
Increase in cash surrender value of life insurance policies	3,648	3,664	7,223	7,317
Gain on sale of investment securities, net	0	94	0	414
Impairment loss on securities recognized in earnings	(126)	0	(126)	(149)
Other income	5,265	9,200	10,979	17,326
Total non-interest income	64,551	65,075	127,593	127,449
Non-interest Expense:
Compensation and benefits	87,354	80,231	175,630	160,941
Occupancy	16,034	14,842	32,213	29,911
Technology and equipment	22,458	19,376	44,066	39,314
Intangible assets amortization	1,028	1,523	2,083	3,077
Marketing	4,615	4,669	10,056	9,593
Professional and outside services	3,507	3,754	7,783	6,565
Deposit insurance	6,625	6,633	13,357	13,419
Other expense	22,798	21,750	43,015	42,403
Total non-interest expense	164,419	152,778	328,203	305,223
Income (loss) before income tax expense	90,669	75,202	172,091	145,683
Income tax expense	29,090	24,599	51,041	48,033
Net of tax	61,579	50,603	121,050	97,650
Preferred stock dividends and other	(2,094)	(2,205)	(4,224)	(4,368)
Earnings applicable to common shareholders	$ 59,485	$ 48,398	$ 116,826	$ 93,282
Earnings per common share:
Basic (in dollars per share)	$ 0.65	$ 0.53	$ 1.27	$ 1.02
Diluted (in dollars per share)	$ 0.64	$ 0.53	$ 1.26	$ 1.02

XML

Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Statement of Comprehensive Income [Abstract]
Net income	$ 61,579	$ 50,603	$ 121,050	$ 97,650
Other comprehensive income (loss), net of tax:
Total available-for-sale and transferred securities	3,200	11,265	975	18,770
Total derivative instruments	651	526	1,810	(426)
Total defined benefit pension and other postretirement benefit plans	1,094	1,095	2,126	2,251
Other comprehensive income, net of tax	4,945	12,886	4,911	20,595
Comprehensive income	$ 66,524	$ 63,489	$ 125,961	$ 118,245

XML

Condensed Consolidated Statements of Shareholders' Equity (Unaudited) - USD ($) $ in Thousands	Total	Series E Preferred Stock [Member]	Preferred Stock [Member]	Common Stock [Member]	Paid-In Capital [Member]	Retained Earnings [Member]	Retained Earnings [Member] Series E Preferred Stock [Member]	Treasury Stock, at cost [Member]	Accumulated Other Comprehensive Loss, Net of Tax [Member]
Beginning Balance at Dec. 31, 2015	$ 2,413,960		$ 122,710	$ 937	$ 1,124,325	$ 1,315,948		$ (71,854)	$ (78,106)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	97,650					97,650
Other comprehensive income, net of tax	20,595								20,595
Dividends and dividend equivalents declared on common stock $0.25 and $0.23 per share during the 3 months ended March 31, 2017 and 2016, respectively	(44,054)				70	(44,124)
Dividends on Series E preferred stock $400.00 per share for the 3 months ended March 31, 2017 and 2016		$ (4,048)					$ (4,048)
Stock-based compensation, net of tax impact	7,642				2,265	123		5,254
Exercise of stock options	1,773				(1,051)			2,824
Common shares acquired related to stock compensation plan activity	(5,183)							(5,183)
Common stock repurchase program	(11,206)							(11,206)
Common stock warrants repurchased	(163)				(163)
Ending Balance at Jun. 30, 2016	2,476,966		122,710	937	1,125,446	1,365,549		(80,165)	(57,511)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Fair Value	4,125,125
Beginning Balance at Dec. 31, 2016	2,527,012		122,710	937	1,125,937	1,425,320		(70,899)	(76,993)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	121,050					121,050
Other comprehensive income, net of tax	4,911								4,911
Dividends and dividend equivalents declared on common stock $0.25 and $0.23 per share during the 3 months ended March 31, 2017 and 2016, respectively	(47,058)				82	(47,140)
Dividends on Series E preferred stock $400.00 per share for the 3 months ended March 31, 2017 and 2016		$ (4,048)					$ (4,048)
Stock-based compensation, net of tax impact	7,951					1,118		6,833
Exercise of stock options	4,591				(1,358)			5,949
Common shares acquired related to stock compensation plan activity	(9,283)							(9,283)
Ending Balance at Jun. 30, 2017	2,605,126		$ 122,710	$ 937	$ 1,124,661	$ 1,496,300		$ (67,400)	$ (72,082)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Fair Value	$ 4,197,378

XML

Condensed Consolidated Statements of Shareholders' Equity (Unaudited) (Parenthetical) - $ / shares	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Dividends on common stock and dividend equivalents declared (in dollars per share)	$ 0.51	$ 0.48
Series E Preferred Stock [Member]
Dividends on preferred stock (in dollars per share)	$ 800	$ 800

XML

Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Operating Activities:
Net income	$ 121,050	$ 97,650
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for loan and lease losses	17,750	29,600
Deferred tax expense	488	10,632
Depreciation and amortization	18,960	17,930
Amortization of earning assets and funding, premiums/discounts, net	23,287	27,449
Stock-based compensation	6,043	5,614
Gain on sale, net of write-down, on foreclosed and repossessed assets	(314)	(791)
Write-down (gain on sale), net on premises and equipment	559	(20)
Impairment loss on securities recognized in earnings	126	149
Gain on the sale of investment securities, net	0	(414)
Increase in cash surrender value of life insurance policies	7,223	7,317
Mortgage banking activities	(5,617)	(7,013)
Proceeds from sale of loans held for sale	173,338	170,572
Origination of loans held for sale	(147,437)	(182,329)
Net increase in derivative contract assets net of liabilities	(213)	(110,393)
Net (increase) decrease in accrued interest receivable and other assets	(24,054)	31,755
Net increase in accrued expenses and other liabilities	5,261	15,729
Net cash provided by operating activities	182,004	98,803
Investing Activities:
Net (increase) decrease in interest-bearing deposits	(4,201)	117,816
Purchases of available for sale securities	(106,476)	(428,991)
Proceeds from maturities and principal payments of available for sale securities	314,038	271,331
Proceeds from sales of available for sale securities	0	259,004
Purchases of held-to-maturity securities	(429,711)	(311,420)
Proceeds from maturities and principal payments of held-to-maturity securities	357,283	298,796
Net proceeds of Federal Home Loan Bank stock	39,141	3,243
Alternative investments return of capital (capital call), net	(296)	1,749
Net increase in loans	(263,241)	(640,922)
Proceeds from loans not originated for sale	7,445	11,743
Proceeds from Life Insurance Policy	484	0
Proceeds from the sale of foreclosed and repossessed assets	3,371	4,671
Proceeds from the sale of premises and equipment	507	750
Additions to premises and equipment	(13,392)	(20,639)
Proceeds from redemption of other assets	7,581	0
Net cash used for investing activities	(86,875)	(436,367)
Financing Activities:
Net increase in deposits	1,153,597	875,997
Proceeds from Federal Home Loan Bank advances	7,300,000	10,125,000
Repayments of Federal Home Loan Bank advances	(8,375,145)	(10,326,076)
Net decrease in securities sold under agreements to repurchase and other borrowings	(76,834)	(251,709)
Dividends paid to common shareholders	(46,862)	(43,791)
Dividends paid to preferred shareholders	(4,048)	(4,048)
Exercise of stock options	4,591	1,773
Excess tax benefits from stock-based compensation	0	2,241
Common stock repurchase program	0	(11,206)
Common shares purchased related to stock compensation plan activity	(9,283)	(5,183)
Common stock warrants repurchased	0	(163)
Net cash (used for) provided by financing activities	(53,984)	362,835
Net decrease in cash and due from banks	41,145	25,271
Cash and due from banks at beginning of period	190,663	199,693
Cash and due from banks at end of period	231,808	224,964
Supplemental disclosure of cash flow information:
Interest paid	53,354	51,527
Income taxes paid	53,334	43,093
Noncash investing and financing activities:
Real Estate Owned, Transfer to Real Estate Owned	3,167	3,285
Transfer of loans from portfolio to loans-held-for-sale	$ 0	$ 11,892

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Summary of Significant Accounting Policies

6 Months Ended

Jun. 30, 2017

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Basis of Presentation and Significant Accounting Policies [Text Block]

Summary of Significant Accounting Policies

Nature of Operations

Webster Financial Corporation is a bank holding company and financial holding company under the Bank Holding Company Act, incorporated under the laws of Delaware in 1986 and headquartered in Waterbury, Connecticut. At June 30, 2017, Webster Financial Corporation's principal asset is all of the outstanding capital stock of Webster Bank.

Webster delivers financial services to individuals, families, and businesses primarily within its regional footprint from New York to Massachusetts. Webster provides business and consumer banking, mortgage lending, financial planning, trust, and investment services through banking offices, ATMs, mobile banking, and its internet website (www.websterbank.com or www.wbst.com). Webster also offers equipment financing, commercial real estate lending, and asset-based lending primarily across the Northeast. On a nationwide basis, through its HSA Bank division, Webster Bank offers and administers health savings accounts, flexible spending accounts, health reimbursement accounts, and commuter benefits.

Basis of Presentation

The accounting and reporting policies of the Company that materially affect its financial statements conform with GAAP. The accompanying unaudited Condensed Consolidated Financial Statements of the Company have been prepared in conformity with the instructions for Form 10-Q and Rule 10-01 of Regulation S-X. Accordingly, they do not include all the information and notes required by GAAP for complete financial statements and should be read in conjunction with the Company's Consolidated Financial Statements, and Notes thereto, for the year ended December 31, 2016, included in the Company's Annual Report on Form 10-K filed with the SEC on March 1, 2017.

The preparation of financial statements in accordance with GAAP requires management to make estimates and assumptions that affect the amounts of assets and liabilities as of the date of the financial statements as well as income and expense during the period. Actual results could differ from those estimates. Operating results for the interim periods disclosed herein are not necessarily indicative of the results that may be expected for the full year or any future period.

Certain prior period amounts have been reclassified to conform to the current year's presentation. These reclassifications had an immaterial effect on total assets, total liabilities and shareholders' equity, non-interest income, non-interest expense, net cash provided by operating activities, and net cash used for investing activities.

Significant Accounting Policy Updates

Centrally Cleared Derivatives

Effective during the first quarter of 2016, the Company offset the variation margin pertaining to derivatives reported on a net basis, subject to a legally enforceable master netting arrangement, with the same counterparty against the net derivative position on the Company's balance sheets. The Chicago Mercantile Exchange has amended their rulebooks to legally characterize variation margin payments for over-the-counter derivatives that clear, as settlements rather than collateral, effective January 3, 2017.

The Company has updated its significant accounting policies to classify variation margin deemed to be legal settlements as a single unit of account with the derivative, for accounting and presentation purposes. The policy update does not result in a change in the presentation of the Company's balance sheets as the Company previously offset the variation margin pertaining to derivatives reporting on a net basis, subject to a legally enforceable master netting arrangement, with the same counterparty against the net derivative position.

Accounting Standards Adopted during 2017

Effective January 1, 2017, the following new accounting guidance was adopted by the Company:

ASU No. 2016-09, Compensation - Stock Compensation (Topic 718) - Improvements to Employee Share Based Payment Accounting

The Update impacted the accounting for employee share-based payment transactions, including the income tax consequences, and classification on the statement of cash flows. The Update requires the Company to recognize the income tax effects of awards in the income statement on a prospective basis when the awards vest or are settled, compared to within additional paid-in capital. As a result, applicable excess tax benefits and tax deficiencies are recorded as an income tax benefit or expense, respectively. The Company elected to present the classification on the statement of cash flows on a prospective basis to better align this presentation with the income tax effects.

The impact of the Update will vary from period to period based on the Company's stock price and the quantity of shares that vest or are settled within a given period.

The Update also requires the Company to elect the accounting for forfeitures of share-based payments by either (i) recognizing forfeitures of awards as they occur or (ii) estimating the number of awards expected to be forfeited and adjusting the estimate when it is likely to change, as is currently required. The Company elected to account for forfeitures of share-based payments by estimating the number of awards expected to be forfeited and adjusting the estimate when it is likely to change, which is in accordance with the Company's previous accounting practices.

The adoption of this accounting standard did not have a material impact on the Company's financial statements.

ASU No. 2016-06, Derivatives and Hedging (Topic 815) - Contingent Put and Call Options in Debt Instruments.

The Update clarifies the requirements for assessing whether contingent call (put) options that can accelerate the payment of principal on debt instruments are clearly and closely related to their debt hosts. The Update requires the assessment of embedded call (put) options solely in accordance with the four-step decision sequence. The Update clarified that Companies are not required to assess whether the event triggering the ability to exercise the call/put option was also clearly and closely related.

The adoption of this accounting standard did not have a material impact on the Company's financial statements, as the Company has not performed the additional step of assessing whether the event triggering the ability to exercise the call/put option was clearly and closely related, which was deemed not required by the Update.

Accounting Standards Issued but not yet Adopted

The following list identifies ASUs applicable to the Company that have been issued by the FASB but are not yet effective:

ASU No. 2017-08, Receivables - Nonrefundable Fees and Other Costs (Subtopic 310-20) Premium Amortization on Purchased Callable Debt Securities.

The Update is intended to enhance the accounting for the amortization of premiums for purchased callable debt securities. Specifically, the Update shortens the amortization period for certain investments in callable debt securities purchased at a premium by requiring that the premium be amortized to the earliest call date. The Update is being issued in response to concerns from stakeholders that, current GAAP excludes certain callable debt securities from consideration of early repayment of principal even if the holder is certain that the call will be exercised.

The Update, upon adoption, is expected to accelerate the Company’s recognition of premium amortization on debt securities held within the portfolio. The amendments in the Update will be applied on a modified retrospective basis through a cumulative-effect adjustment directly through retained earnings upon adoption.

Management is in the process of evaluating the full impact of adopting the Update including, but not limited to the following:

• Modifying system amortization requirements;

• Evaluation of premiums associated with debt securities to determine the appropriate cumulative-effect adjustment; and

• Establishing new accounting policies pertaining to premium amortization on purchased callable debt securities.

The Update is effective for the first quarter of 2019, early adoption is permitted. The Company is evaluating the potential to early adopt the Update.

ASU No. 2017-7, Compensation - Retirement Benefits (Topic 715) - Improving the Presentation of Net Periodic Pension Cost and Net Periodic Postretirement Benefit Cost.

The Update requires the Company to disaggregate the current-service-cost component from the other components of net benefit cost (the “other components”) and present it with other current compensation costs for related employees in the income statement and present the other components elsewhere in the income statement and outside of income from operations if that subtotal is presented. In addition, the Update requires entities to disclose the income statement lines that contain the other components if they are not presented on appropriately described separate lines.

The new guidance will be applied on a retrospective basis. The Company intends to adopt the Update for the first quarter of 2018. Adoption is not anticipated to have a material impact on the Company's financial statements.

ASU No. 2017-04, Intangibles - Goodwill and Other (Topic 350) - Simplifying the Test for Goodwill Impairment.

The Update eliminates Step 2 from the goodwill impairment analysis. Step 2, requires the Company to perform procedures to determine the fair value at the impairment testing date of its assets and liabilities (including unrecognized assets and liabilities). Under current guidance, Step 2 testing would be performed only if Step 1 testing indicated the fair value of the reporting unit is below the reporting unit’s carrying amount.

Once effective the Update will require the Company to record an impairment charge for the amount by which the carrying amount exceeds the reporting unit’s fair value, eliminating the Step 2 requirements. The Company intends to adopt the Update for the first quarter of 2020. Adoption is not anticipated to have a material impact on the Company's financial statements.

ASU No. 2016-16, Statement of Cash Flows (Topic 230) - Classification of Certain Cash Receipts and Cash Payments.

The Update addresses eight specific cash flow issues with the objective of reducing the existing diversity in practice. The Update addresses the following eight issues: Debt prepayment or debt extinguishment costs; settlement of zero-coupon debt instruments or other debt instruments with coupon interest rates that are insignificant in relation to the effective interest rate of the borrowing; contingent consideration payments made after a business combination; proceeds from the settlement of insurance claims; proceeds from the settlement of corporate-owned life insurance policies, including bank-owned life insurance policies; distributions received from equity method investees; beneficial interests in securitization transactions; and separately identifiable cash flows and application of the predominance principle.

The Company intends to adopt the Update for the first quarter of 2019. Adoption is not anticipated to have a material impact on the Company's financial statements.

ASU No. 2016-13, Financial Instruments - Credit Losses (Topic 326) - Measurement of Credit Losses on Financial Instruments.

Current GAAP requires an "incurred loss" methodology for recognizing credit losses that delays recognition until it is probable a loss has been incurred. Both financial institutions and users of their financial statements expressed concern that current GAAP restricts the ability to record credit losses that are expected, but do not yet meet the "probable" threshold.

The main objective of this Update is to provide financial statement users with more decision-useful information about the expected credit losses on financial instruments and other commitments to extend credit held by a reporting entity at each reporting date. To achieve this objective, the amendments in this Update replace the incurred loss impairment methodology in current GAAP with a methodology that reflects expected credit losses and requires consideration of a broader range of reasonable and supportable information to determine credit loss estimates.

The Change from an "incurred loss" method to an "expected loss" method represents a fundamental shift from existing GAAP, and may result in material changes to the Company's accounting for credit losses on financial instruments. The Company has established a project lead and identified a working group comprised of members from different disciplines including Credit, Finance and Information Technology. The Company is in the early stages of evaluation of the effect that this ASU will have on its financial statements and related disclosures, but has begun to develop a roadmap which includes a consideration of external resources that may be required, use of existing and new models, data availability and system solutions to facilitate implementation. The ASU will be effective for the Company as of January 1, 2020.

ASU No. 2016-02, Leases (Topic 842).

The Update introduces a lessee model that brings most leases on the balance sheet. The Update also aligns certain of the underlying principles of the new lessor model with those in ASC 606 "Revenue from Contracts with Customers", the FASB’s new revenue recognition standard (e.g., evaluating how collectability should be considered and determining when profit can be recognized).

Furthermore, the Update addresses other concerns including the elimination of the required use of bright-line tests for determining lease classification. Lessors are required to provide additional transparency into the exposure to the changes in value of their residual assets and how they manage that exposure.

The Company intends to adopt the Update for the first quarter of 2019 using the modified retrospective method. The Company is in the early assessment stage and will continue to review the existing lease portfolio to evaluate the impact of the new accounting guidance on the financial statements.

ASU No. 2016-01, Financial Instruments - Overall (Subtopic 825-10) - Recognition and Measurement of Financial Assets and Financial Liabilities.

Equity investments not accounted for under the equity method or those that do not result in consolidation of the investee are to be measured at fair value with changes in the fair value recognized through net income. Entities are to present separately in other comprehensive income, the portion of the total change in the fair value of a liability resulting from a change in the instrument-specific credit risk when an election to measure the liability at fair value in accordance with the fair value option for financial instruments has been made. Also, the requirement to disclose the method(s) and significant assumptions used to estimate the fair value for financial instruments measured at amortized cost on the balance sheet has been eliminated.

The Company intends to adopt the Update for the first quarter of 2018 and is in the process of assessing the impact of the new accounting guidance on the financial statements.

ASU No. 2014-09, Revenue from Contracts with Customers (Topic 606) and ASU No. 2015-14, Revenue from Contracts with Customers (Topic 606).

The Update requires an entity to recognize the amount of revenue to which it expects to be entitled for the transfer of promised goods or services to customers. The Update excludes revenue associated with net interest income as well as many other revenues for financial assets and liabilities including loans and leases, securities, and derivatives. As a result the majority of the Company's revenue will not be affected.

The Company continues to evaluate customer contracts within the scope of the new guidance and assess the related revenues to determine if any accounting or internal control changes will be required for the updated guidance. The Company's deposit service fees, wealth and investment services, and certain other income items are within the scope of the Update. While the assessment is not complete, the timing of the Company's revenue recognition is not expected to materially change.

The Company continues to evaluate the effect that the guidance will have on other revenue streams within its scope, as well as changes in disclosures required by the new guidance. The Company intends to adopt the Update for the first quarter of 2018 utilizing the modified retrospective application with a cumulative affect adjustment to opening retained earnings. The Company's evaluations are not final and are subject to change.

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Investment Securities

6 Months Ended

Jun. 30, 2017

Investments, Debt and Equity Securities [Abstract]

Investment Securities

Investment Securities

A summary of the amortized cost and fair value of investment securities is presented below:

	At June 30, 2017									At December 31, 2016
(In thousands)	Amortized Cost		Unrealized Gains		Unrealized Losses			Fair Value		Amortized Cost		Unrealized Gains		Unrealized Losses			Fair Value
Available-for-sale:
U.S. Treasury Bills	$	3,843	$	—	$	—		$	3,843	$	734	$	—	$	—		$	734
Agency CMO	359,075		3,064		(3,123		)	359,016		419,865		3,344		(3,503		)	419,706
Agency MBS	888,810		3,764		(16,884		)	875,690		969,460		4,398		(19,509		)	954,349
Agency CMBS	602,446		—		(15,344		)	587,102		587,776		63		(14,567		)	573,272
CMBS	477,932		2,202		(226		)	479,908		473,974		4,093		(702		)	477,365
CLO	361,323		2,026		(224		)	363,125		425,083		2,826		(519		)	427,390
Trust preferred	30,434		891		(123		)	31,202		30,381		—		(1,748		)	28,633
Corporate debt	107,228		906		(54		)	108,080		108,490		1,502		(350		)	109,642
Available-for-sale	$	2,831,091	$	12,853	$	(35,978	)	$	2,807,966	$	3,015,763	$	16,226	$	(40,898	)	$	2,991,091
Held-to-maturity:
Agency CMO	$	297,649	$	1,381	$	(3,170	)	$	295,860	$	339,455	$	1,977	$	(3,824	)	$	337,608
Agency MBS	2,324,270		23,383		(35,115		)	2,312,538		2,317,449		26,388		(41,768		)	2,302,069
Agency CMBS	642,676		309		(2,727		)	640,258		547,726		694		(1,348		)	547,072
Municipal bonds and notes	688,913		5,111		(14,605		)	679,419		655,813		4,389		(25,749		)	634,453
CMBS	265,086		3,862		(252		)	268,696		298,538		4,107		(411		)	302,234
Private Label MBS	604		3		—			607		1,677		12		—			1,689
Held-to-maturity	$	4,219,198	$	34,049	$	(55,869	)	$	4,197,378	$	4,160,658	$	37,567	$	(73,100	)	$	4,125,125

Other-Than-Temporary Impairment

The balance of OTTI, included in the amortized cost columns above, is related to certain CLO positions that were previously considered Covered Funds as defined by Section 619 of the Dodd-Frank Act, commonly known as the Volcker Rule. The Company has taken measures to bring its CLO positions into conformance with the Volcker Rule.

During the three and six months ended June 30, 2017, OTTI of $126 thousand, related to principal held back in conjunction with the exercise of a clean-up call option for a Private Label MBS security, was recognized. To the extent that changes occur in interest rates, credit movements, and other factors that impact fair value and expected recovery of amortized cost of its investment securities, the Company may, in future periods, be required to recognize OTTI in earnings.

The following table presents the changes in OTTI:

	Three months ended June 30,					Six months ended June 30,
(In thousands)	2017			2016		2017			2016
Beginning balance	$	3,231		$	3,437	$	3,243		$	3,288
Reduction for investment securities sold or called	(126		)	—		(138		)	—
Additions for OTTI not previously recognized in earnings	126			—		126			149
Ending balance	$	3,231		$	3,437	$	3,231		$	3,437

Fair Value and Unrealized Losses

The following tables provide information on fair value and unrealized losses for the individual investment securities with an unrealized loss, aggregated by classification and length of time that the individual investment securities have been in a continuous unrealized loss position:

	At June 30, 2017
	Less Than Twelve Months					Twelve Months or Longer					Total
(Dollars in thousands)	Fair Value		Unrealized Losses			Fair Value		Unrealized Losses			# of Holdings	Fair Value		Unrealized Losses
Available-for-sale:
Agency CMO	$	90,691	$	(1,941	)	$	60,635	$	(1,182	)	16	$	151,326	$	(3,123	)
Agency MBS	463,242		(8,396		)	250,375		(8,488		)	101	713,617		(16,884		)
Agency CMBS	582,194		(15,154		)	4,908		(190		)	34	587,102		(15,344		)
CMBS	43,970		(30		)	19,804		(196		)	6	63,774		(226		)
CLO	58,674		(203		)	16,263		(21		)	4	74,937		(224		)
Trust preferred	5,527		(53		)	4,606		(70		)	2	10,133		(123		)
Corporate debt	5,851		(30		)	1,841		(24		)	2	7,692		(54		)
Available-for-sale in an unrealized loss position	$	1,250,149	$	(25,807	)	$	358,432	$	(10,171	)	165	$	1,608,581	$	(35,978	)
Held-to-maturity:
Agency CMO	$	98,593	$	(2,288	)	$	51,844	$	(882	)	15	$	150,437	$	(3,170	)
Agency MBS	1,315,939		(27,429		)	252,535		(7,686		)	149	1,568,474		(35,115		)
Agency CMBS	493,652		(2,727		)	—		—			39	493,652		(2,727		)
Municipal bonds and notes	314,543		(12,295		)	30,956		(2,310		)	148	345,499		(14,605		)
CMBS	38,756		(252		)	—		—			7	38,756		(252		)
Held-to-maturity in an unrealized loss position	$	2,261,483	$	(44,991	)	$	335,335	$	(10,878	)	358	$	2,596,818	$	(55,869	)

	At December 31, 2016
	Less Than Twelve Months					Twelve Months or Longer					Total
(Dollars in thousands)	Fair Value		Unrealized Losses			Fair Value		Unrealized Losses			# of Holdings	Fair Value		Unrealized Losses
Available-for-sale:
Agency CMO	$	107,853	$	(2,168	)	$	67,351	$	(1,335	)	15	$	175,204	$	(3,503	)
Agency MBS	512,075		(10,503		)	252,779		(9,006		)	97	764,854		(19,509		)
Agency CMBS	554,246		(14,567		)	—		—			32	554,246		(14,567		)
CMBS	12,427		(24		)	63,930		(678		)	12	76,357		(702		)
CLO	49,946		(54		)	50,237		(465		)	5	100,183		(519		)
Trust preferred	—		—			28,633		(1,748		)	5	28,633		(1,748		)
Corporate debt	—		—			7,384		(350		)	2	7,384		(350		)
Available-for-sale in an unrealized loss position	$	1,236,547	$	(27,316	)	$	470,314	$	(13,582	)	168	$	1,706,861	$	(40,898	)
Held-to-maturity:
Agency CMO	$	163,439	$	(3,339	)	$	17,254	$	(485	)	16	$	180,693	$	(3,824	)
Agency MBS	1,394,623		(32,942		)	273,779		(8,826		)	150	1,668,402		(41,768		)
Agency CMBS	347,725		(1,348		)	—		—			25	347,725		(1,348		)
Municipal bonds and notes	384,795		(25,745		)	1,192		(4		)	196	385,987		(25,749		)
CMBS	60,768		(411		)	—		—			8	60,768		(411		)
Held-to-maturity in an unrealized loss position	$	2,351,350	$	(63,785	)	$	292,225	$	(9,315	)	395	$	2,643,575	$	(73,100	)

Impairment Analysis

The following impairment analysis by investment security type, summarizes the basis for evaluating if investment securities within the Company’s available-for-sale and held-to-maturity portfolios have been impacted by OTTI. Unless otherwise noted for an investment security type, management does not intend to sell these investment securities and has determined, based upon available evidence, that it is more likely than not that the Company will not be required to sell these investment securities before the recovery of their amortized cost. As such, based on the following impairment analysis, the Company does not consider these investment securities, in unrealized loss positions, to be other-than-temporarily impaired at June 30, 2017.

Available-for-Sale

Agency CMO. There were unrealized losses of $3.1 million on the Company’s investment in Agency CMO at June 30, 2017, compared to $3.5 million at December 31, 2016. Unrealized losses decreased due to lower principal balances for this asset class at June 30, 2017 compared to December 31, 2016. Market prices remained essentially unchanged. These investments are issued by a government agency or a government-sponsored agency and, therefore, are backed by certain government guarantees, either direct or indirect. The contractual cash flows for these investments are performing as expected, and there has been no change in the underlying credit quality.

Agency MBS. There were unrealized losses of $16.9 million on the Company’s investment in Agency MBS at June 30, 2017, compared to $19.5 million at December 31, 2016. Unrealized losses decreased due to lower principal balances for this asset class at June 30, 2017 compared to December 31, 2016. Market prices remained essentially unchanged. These investments are issued by a government agency or a government-sponsored agency and, therefore, are backed by certain government guarantees, either direct or indirect. The contractual cash flows for these investments are performing as expected, and there has been no change in the underlying credit quality.

Agency CMBS. There were unrealized losses of $15.3 million on the Company's investment in Agency CMBS at June 30, 2017, compared to $14.6 million at December 31, 2016. Unrealized losses increased due to higher principal balances for this asset class compared to December 31, 2016. Market prices remained essentially unchanged. These investments are issued by a government agency or a government-sponsored agency and, therefore, are backed by certain government guarantees, either direct or indirect. The contractual cash flows for these investments are performing as expected, and there has been no change in the underlying credit quality.

CMBS. There were unrealized losses of $0.2 million on the Company’s investment in CMBS at June 30, 2017, compared to $0.7 million at December 31, 2016. The portfolio of mainly floating rate CMBS experienced lower market spreads which resulted in higher security prices and smaller unrealized losses at June 30, 2017 compared to December 31, 2016. Internal and external metrics are considered when evaluating potential OTTI. Internal stress tests are performed on individual bonds to monitor potential losses under stress scenarios. Contractual cash flows for these investments are performing as expected.

CLO. There were unrealized losses of $0.2 million on the Company's investment in CLO at June 30, 2017, compared to $0.5 million at December 31, 2016. Unrealized losses decreased due to lower market spreads for the CLO portfolio at June 30, 2017 compared to December 31, 2016. Contractual cash flows for these investments are performing as expected.

Trust preferred. There were unrealized losses of $0.1 million on the Company's investment in trust preferred at June 30, 2017, compared to $1.7 million at December 31, 2016. Unrealized losses decreased due to lower market spreads for this asset class, which resulted in higher security prices compared to December 31, 2016. The trust preferred portfolio consists of three floating rate investments issued by two different large capitalization money center financial institutions, which continue to service the debt. The Company performs periodic credit reviews of the issuer to assess the likelihood for ultimate recovery of amortized cost.

Corporate debt. There were $0.1 million unrealized losses on the Company's corporate debt at June 30, 2017, compared to $0.4 million at December 31, 2016. The Company performs periodic credit reviews of the issuer to assess the likelihood for ultimate recovery of amortized cost.

Held-to-Maturity

Agency CMO. There were unrealized losses of $3.2 million on the Company’s investment in Agency CMO at June 30, 2017 compared to $3.8 million at December 31, 2016. Unrealized losses decreased due to lower principal balances for this asset class at June 30, 2017 compared to December 31, 2016. Market prices remained essentially unchanged. These investments are issued by a government agency or a government-sponsored agency and, therefore, are backed by certain government guarantees, either direct or indirect. The contractual cash flows for these investments are performing as expected, and there has been no change in the underlying credit quality.

Agency MBS. There were unrealized losses of $35.1 million on the Company’s investment in Agency MBS at June 30, 2017, compared to $41.8 million at December 31, 2016. Unrealized losses decreased due to lower principal balances for this asset class at June 30, 2017 compared to December 31, 2016. Market prices remained essentially unchanged. These investments are issued by a government agency or a government-sponsored agency and, therefore, are backed by certain government guarantees, either direct or indirect. There has been no change in the underlying credit quality, and the contractual cash flows are performing as expected.

Agency CMBS. There were unrealized losses of $2.7 million on the Company's investment in Agency CMBS at June 30, 2017, compared to $1.3 million at December 31, 2016. Unrealized losses increased due to higher market spreads for this asset class which resulted in lower prices since December 31, 2016.

Municipal bonds and notes. There were unrealized losses of $14.6 million on the Company’s investment in municipal bonds and notes at June 30, 2017, compared to $25.7 million at December 31, 2016. Unrealized losses decreased due to lower market rates which resulted in higher prices at June 30, 2017. The Company performs periodic credit reviews of the issuers and these investments are currently performing as expected.

CMBS. There were unrealized losses of $0.3 million on the Company’s investment in CMBS at June 30, 2017, compared to $0.4 million at December 31, 2016. Unrealized losses were approximately the same, for the portfolio comprised mainly of seasoned fixed rate conduit transactions, at June 30, 2017 compared to December 31, 2016. Internal and external metrics are considered when evaluating potential OTTI. Internal stress tests are performed on individual bonds to monitor potential losses under stress scenarios. The contractual cash flows for these investments are performing as expected.

Sales of Available-for Sale Investment Securities

The following table provides information on sales of available-for-sale investment securities:

	Three months ended June 30,				Six months ended June 30,
(In thousands)	2017		2016		2017		2016
Proceeds from sales (1)	$	—	$	216,071	$	—	$	259,273
Gross realized gains on sales	$	—	$	2,504	$	—	$	2,891
Less: Gross realized losses on sales	—		2,410				2,477
Gain on sale of investment securities, net	$	—	$	94	$	—	$	414

(1) There were no sales during the three and six months ended June 30, 2017.

Contractual Maturities

The amortized cost and fair value of debt securities by contractual maturity are set forth below:

	At June 30, 2017
	Available-for-Sale				Held-to-Maturity
(In thousands)	Amortized Cost		Fair Value		Amortized Cost		Fair Value
Due in one year or less	$	77,641	$	77,882	$	16,289	$	16,403
Due after one year through five years	21,426		21,745		7,849		7,943
Due after five through ten years	491,037		493,662		44,759		45,623
Due after ten years	2,240,987		2,214,677		4,150,301		4,127,409
Total debt securities	$	2,831,091	$	2,807,966	$	4,219,198	$	4,197,378

For the maturity schedule above, mortgage-backed securities and CLO, which are not due at a single maturity date, have been categorized based on the maturity date of the underlying collateral. Actual principal cash flows may differ from this maturity date presentation as borrowers have the right to prepay obligations with or without prepayment penalties.

At June 30, 2017, the Company had a carrying value of $1.3 billion in callable investment securities in its CMBS, CLO, and municipal bond portfolios. The Company considers prepayment risk in the evaluation of its interest rate risk profile. These maturities may not reflect actual durations, which may be impacted by prepayments.

Investment securities with a carrying value totaling $2.7 billion at June 30, 2017 and $2.5 billion at December 31, 2016 were pledged to secure public funds, trust deposits, repurchase agreements, and for other purposes, as required or permitted by law.

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Variable Interest Entities

6 Months Ended

Jun. 30, 2017

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Variable Interest Entities

Variable Interest Entities

The Company has an investment interest in several entities that meet the definition of a VIE. The following discussion provides information about the Company's VIEs.

Consolidated

Rabbi Trust. The Company established a Rabbi Trust to meet the obligations due under its Deferred Compensation Plan for Directors and Officers and to mitigate the expense volatility of the aforementioned plan. The funding of the Rabbi Trust and the discontinuation of the Deferred Compensation Plan for Directors and Officers occurred during 2012.

Investments held in the Rabbi Trust primarily consist of mutual funds that invest in equity and fixed income securities. The Company is considered the primary beneficiary of the Rabbi Trust as it has the power to direct the activities of the Rabbi Trust that significantly affect the VIE's economic performance and it has the obligation to absorb losses of the VIE that could potentially be significant to the VIE.

The Company consolidates the invested assets of the trust along with the total deferred compensation obligations and includes them in accrued interest receivable and other assets and accrued expenses and other liabilities, respectively, in the accompanying Condensed Consolidated Balance Sheets. Earnings in the Rabbi Trust, including appreciation or depreciation, are reflected as other non-interest income, and changes in the corresponding liability are reflected as compensation and benefits, in the accompanying Condensed Consolidated Statements of Income.

Non-Consolidated

Securitized Investments. The Company, through normal investment activities, makes passive investments in securities issued by VIEs for which Webster is not the manager. The investment securities consist of Agency CMO, Agency MBS, Agency CMBS, CLO and trust preferred. The Company has not provided financial or other support with respect to these investment securities other than its original investment. For these investment securities, the Company determined it is not the primary beneficiary due to the relative size of its investment in comparison to the principal amount of the structured securities issued by the VIEs, the level of credit subordination which reduces the Company’s obligation to absorb losses or right to receive benefits and its inability to direct the activities that most significantly impact the economic performance of the VIEs. The Company’s maximum exposure to loss is limited to the amount of its investment in the VIEs. Refer to Note 2: Investment Securities for additional information.

Tax Credit - Finance Investments. The Company makes equity investments in entities that finance affordable housing and other community development projects and provide a return primarily through the realization of tax benefits. In most instances the investments require the funding of capital commitments in the future. While the Company's investment in an entity may exceed 50% of its outstanding equity interests, the entity is not consolidated as Webster is not involved in its management. For these investments, the Company determined it is not the primary beneficiary due to its inability to direct the activities that most significantly impact the economic performance of the VIEs.

At June 30, 2017 and December 31, 2016, the aggregate carrying value of the Company's tax credit-finance investments were$29.2 million and $22.8 million, respectively. At June 30, 2017 and December 31, 2016, unfunded commitments have been recognized, totaling $20.4 million and $14.0 million, respectively, and are included in accrued expenses and other liabilities in the accompanying Condensed Consolidated Balance Sheets.

Webster Statutory Trust. The Company owns all of the outstanding common stock of Webster Statutory Trust, which is a financial vehicle that has issued, and may issue in the future, trust preferred securities. The trust is a VIE in which the Company is not the primary beneficiary and therefore, is not consolidated. The trust's only assets are junior subordinated debentures issued by the Company, which were acquired by the trust using the proceeds from the issuance of the trust preferred securities and common stock. The junior subordinated debentures are included in long-term debt in the accompanying Condensed Consolidated Balance Sheets, and the related interest expense is reported as interest expense on long-term debt in the accompanying Condensed Consolidated Statements of Income.

Other Investments. The Company invests in various alternative investments in which it holds a variable interest. Alternative investments are non-public entities which cannot be redeemed since the Company’s investment is distributed as the underlying equity is liquidated. For these investments, the Company has determined it is not the primary beneficiary due to its inability to direct the activities that most significantly impact the economic performance of the VIEs.

At June 30, 2017 and December 31, 2016, the aggregate carrying value of the Company's other investments in VIEs were $12.2 million and $12.3 million, respectively, and the total exposure of the Company's other investments in VIEs, including unfunded commitments, were $21.3 million and $19.9 million, respectively.

The Company's equity interests in Tax Credit-Finance Investments, Webster Statutory Trust, and Other Investments are included in accrued interest receivable and other assets in the accompanying Condensed Consolidated Balance Sheets. For a further description of the Company's accounting policies regarding the consolidation of a VIE, refer to Note 1 to the Consolidated Financial Statements for the year ended December 31, 2016 included in its 2016 Form 10-K.

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Loans and Leases

6 Months Ended

Jun. 30, 2017

Loans and Leases Receivable Disclosure [Abstract]

Loans and Leases

Loans and Leases

The following table summarizes loans and leases:

(In thousands)	At June 30, 2017		At December 31, 2016
Residential	$	4,388,308	$	4,254,682
Consumer	2,599,318		2,684,500
Commercial	5,144,171		4,940,931
Commercial Real Estate	4,556,208		4,510,846
Equipment Financing	585,673		635,629
Loans and leases (1) (2)	$	17,273,678	$	17,026,588

(1) Loans and leases include net deferred fees and net premiums/discounts of $18.8 million and $17.3 million at June 30, 2017 and December 31, 2016, respectively.

(2) At June 30, 2017, the Company had pledged $6.2 billion of eligible residential, consumer and commercial loans as collateral to support borrowing capacity at the FHLB Boston and the FRB of Boston.

Loans and Leases Aging

The following tables summarize the aging of loans and leases:

	At June 30, 2017
(In thousands)	30-59 Days Past Due and Accruing		60-89 Days Past Due and Accruing		90 or More Days Past Due and Accruing		Non-accrual		Total Past Due and Non-accrual		Current		Total Loans and Leases
Residential	$	6,157	$	3,697	$	—	$	46,090	$	55,944	$	4,332,364	$	4,388,308
Consumer:
Home equity	7,961		3,307		—		38,974		50,242		2,293,538		2,343,780
Other consumer	1,788		1,337		—		1,272		4,397		251,141		255,538
Commercial:
Commercial non-mortgage	1,269		648		1,185		68,181		71,283		4,211,685		4,282,968
Asset-based	—		—		—		—		—		861,203		861,203
Commercial real estate:
Commercial real estate	832		184		—		10,637		11,653		4,182,700		4,194,353
Commercial construction	—		—		—		543		543		361,312		361,855
Equipment financing	883		—		—		547		1,430		584,243		585,673
Total	$	18,890	$	9,173	$	1,185	$	166,244	$	195,492	$	17,078,186	$	17,273,678

	At December 31, 2016
(In thousands)	30-59 Days Past Due and Accruing		60-89 Days Past Due and Accruing		90 or More Days Past Due and Accruing		Non-accrual		Total Past Due and Non-accrual		Current		Total Loans and Leases
Residential	$	8,631	$	2,609	$	—	$	47,279	$	58,519	$	4,196,163	$	4,254,682
Consumer:
Home equity	8,831		5,782		—		35,926		50,539		2,359,354		2,409,893
Other consumer	2,233		1,485		—		1,663		5,381		269,226		274,607
Commercial:
Commercial non-mortgage	1,382		577		749		38,190		40,898		4,094,727		4,135,625
Asset-based	—		—		—		—		—		805,306		805,306
Commercial real estate:
Commercial real estate	6,357		1,816		—		9,871		18,044		4,117,742		4,135,786
Commercial construction	—		—		—		662		662		374,398		375,060
Equipment financing	903		693		—		225		1,821		633,808		635,629
Total	$	28,337	$	12,962	$	749	$	133,816	$	175,864	$	16,850,724	$	17,026,588

Interest on non-accrual loans and leases that would have been recorded as additional interest income for the three and six months ended June 30, 2017 and 2016, had the loans and leases been current in accordance with their original terms, totaled $2.6 million and $4.5 million, and $3.0 million and $5.4 million, respectively.

Allowance for Loan and Lease Losses

The following tables summarize the activity in, as well as the loan and lease balances that were evaluated for, the ALLL:

	At or for the three months ended June 30, 2017
	Residential			Consumer			Commercial			Commercial Real Estate			Equipment Financing			Total
ALLL:
Balance, beginning of period	$	20,264		$	45,408		$	76,354		$	50,727		$	6,354		$	199,107
(Benefit) provision charged to expense	(1,621		)	1,562			5,489			1,771			49			7,250
Charge-offs	(623		)	(5,602		)	(2,196		)	(100		)	(119		)	(8,640		)
Recoveries	407			1,120			317			4			13			1,861
Balance, end of period	$	18,427		$	42,488		$	79,964		$	52,402		$	6,297		$	199,578

	At or for the three months ended June 30, 2016
(In thousands)	Residential			Consumer			Commercial			Commercial Real Estate			Equipment Financing			Total
ALLL:
Balance, beginning of period	$	27,330		$	41,636		$	66,471		$	33,318		$	5,446		$	174,201
(Benefit) provision charged to expense	(2,412		)	4,682			10,560			1,087			83			14,000
Charge-offs	(638		)	(4,556		)	(3,525		)	(995		)	(70		)	(9,784		)
Recoveries	133			1,194			316			212			156			2,011
Balance, end of period	$	24,413		$	42,956		$	73,822		$	33,622		$	5,615		$	180,428

	At or for the six months ended June 30, 2017
(In thousands)	Residential			Consumer			Commercial			Commercial Real Estate			Equipment Financing			Total
ALLL:
Balance, beginning of period	$	23,226		$	45,233		$	71,905		$	47,477		$	6,479		$	194,320
(Benefit) provision charged to expense	(4,088		)	6,888			9,739			5,116			95			17,750
Charge-offs	(1,355		)	(12,076		)	(2,319		)	(202		)	(304		)	(16,256		)
Recoveries	644			2,443			639			11			27			3,764
Balance, end of period	$	18,427		$	42,488		$	79,964		$	52,402		$	6,297		$	199,578
Individually evaluated for impairment	$	5,105		$	1,829		$	10,951		$	324		$	27		$	18,236
Collectively evaluated for impairment	$	13,322		$	40,659		$	69,013		$	52,078		$	6,270		$	181,342
Loan and lease balances:
Individually evaluated for impairment	$	117,820		$	47,310		$	83,206		$	18,677		$	6,332		$	273,345
Collectively evaluated for impairment	4,270,488			2,552,008			5,060,965			4,537,531			579,341			17,000,333
Loans and leases	$	4,388,308		$	2,599,318		$	5,144,171		$	4,556,208		$	585,673		$	17,273,678

	At or for the six months ended June 30, 2016
(In thousands)	Residential			Consumer			Commercial			Commercial Real Estate			Equipment Financing			Total
ALLL:
Balance, beginning of period	$	25,876		$	42,052		$	66,686		$	34,889		$	5,487		$	174,990
(Benefit) provision charged to expense	(85		)	7,473			21,096			968			148			29,600
Charge-offs	(2,232		)	(8,977		)	(14,733		)	(2,521		)	(221		)	(28,684		)
Recoveries	854			2,408			773			286			201			4,522
Balance, end of period	$	24,413		$	42,956		$	73,822		$	33,622		$	5,615		$	180,428
Individually evaluated for impairment	$	10,018		$	3,027		$	6,422		$	1,649		$	17		$	21,133
Collectively evaluated for impairment	$	14,395		$	39,929		$	67,400		$	31,973		$	5,598		$	159,295
Loan and lease balances:
Individually evaluated for impairment	$	127,965		$	47,576		$	59,550		$	32,208		$	421		$	267,720
Collectively evaluated for impairment	4,028,700			2,680,876			4,517,932			4,158,879			617,922			16,004,309
Loans and leases	$	4,156,665		$	2,728,452		$	4,577,482		$	4,191,087		$	618,343		$	16,272,029

Impaired Loans and Leases

The following tables summarize impaired loans and leases:

	At June 30, 2017
(In thousands)	Unpaid Principal Balance		Total Recorded Investment		Recorded Investment No Allowance		Recorded Investment With Allowance		Related Valuation Allowance
Residential	$	129,421	$	117,820	$	27,130	$	90,690	$	5,105
Consumer	52,666		47,310		22,923		24,387		1,829
Commercial	90,351		83,206		25,250		57,956		10,951
Commercial real estate:
Commercial real estate	19,273		18,135		13,086		5,049		239
Commercial construction	645		542		—		542		85
Equipment financing	6,332		6,332		5,736		596		27
Total	$	298,688	$	273,345	$	94,125	$	179,220	$	18,236

	At December 31, 2016
(In thousands)	Unpaid Principal Balance		Total Recorded Investment		Recorded Investment No Allowance		Recorded Investment With Allowance		Related Valuation Allowance
Residential	$	131,468	$	119,424	$	21,068	$	98,356	$	8,090
Consumer	52,432		45,719		22,746		22,973		2,903
Commercial	57,732		53,037		26,006		27,031		7,422
Commercial real estate:
Commercial real estate	24,146		23,568		19,591		3,977		169
Commercial construction	1,188		1,187		1,187		—		—
Equipment financing	6,398		6,420		6,197		223		9
Total	$	273,364	$	249,355	$	96,795	$	152,560	$	18,593

The following table summarizes the average recorded investment and interest income recognized for impaired loans and leases:

	Three months ended June 30,												Six months ended June 30,
	2017						2016						2017						2016
(In thousands)	Average Recorded Investment		Accrued Interest Income		Cash Basis Interest Income		Average Recorded Investment		Accrued Interest Income		Cash Basis Interest Income		Average Recorded Investment		Accrued Interest Income		Cash Basis Interest Income		Average Recorded Investment		Accrued Interest Income		Cash Basis Interest Income
Residential	$	119,398	$	1,036	$	286	$	129,049	$	1,124	$	297	$	118,622	$	2,106	$	701	$	131,207	$	2,239	$	614
Consumer	47,296		335		249		47,836		344		257		46,514		657		562		48,001		693		516
Commercial	85,006		233		—		62,199		475		—		68,122		455		—		58,066		947		—
Commercial real estate:
Commercial real estate	20,454		98		—		28,737		149		—		20,851		233		—		30,575		297		—
Commercial construction	862		—		—		5,177		34		—		865		12		—		5,177		69		—
Equipment financing	6,240		67		—		717		1		—		6,376		138		—		422		2		—
Total	$	279,256	$	1,769	$	535	$	273,715	$	2,127	$	554	$	261,350	$	3,601	$	1,263	$	273,448	$	4,247	$	1,130

Credit Quality Indicators. To measure credit risk for the commercial, commercial real estate, and equipment financing portfolios, the Company employs a dual grade credit risk grading system for estimating the probability of borrower default and the loss given default. The credit risk grade system assigns a rating to each borrower and to the facility, which together form a Composite Credit Risk Profile. The credit risk grade system categorizes borrowers by common financial characteristics that measure the credit strength of borrowers and facilities by common structural characteristics. The Composite Credit Risk Profile has ten grades, with each grade corresponding to a progressively greater risk of default. Grades (1) - (6) are considered pass ratings, and (7) - (10) are considered criticized, as defined by the regulatory agencies. Risk ratings, assigned to differentiate risk within the portfolio, are reviewed on an ongoing basis and revised to reflect changes in a borrower's current financial position and outlook, risk profile, and the related collateral and structural position. Loan officers review updated financial information on at least an annual basis for all pass rated loans to assess the accuracy of the risk grade. Criticized loans undergo more frequent reviews and enhanced monitoring.

A (7) "Special Mention" credit has the potential weakness that, if left uncorrected, may result in deterioration of the repayment prospects for the asset. An (8) "Substandard" asset has a well defined weakness that jeopardizes the full repayment of the debt. An asset rated (9) "Doubtful" has all of the same weaknesses as a substandard credit with the added characteristic that the weakness makes collection or liquidation in full, given current facts, conditions, and values, improbable. Assets classified as (10) "Loss" in accordance with regulatory guidelines are considered uncollectible and charged off.

The following table summarizes commercial, commercial real estate and equipment financing loans and leases segregated by risk rating exposure:

	Commercial				Commercial Real Estate				Equipment Financing
(In thousands)	At June 30, 2017		At December 31, 2016		At June 30, 2017		At December 31, 2016		At June 30, 2017		At December 31, 2016
(1) - (6) Pass	$	4,828,252	$	4,655,007	$	4,358,273	$	4,357,458	$	567,168	$	618,084
(7) Special Mention	86,109		56,240		92,245		69,023		3,802		1,324
(8) Substandard	207,831		226,603		105,690		84,365		14,703		16,221
(9) Doubtful	21,979		3,081		—		—		—		—
Total	$	5,144,171	$	4,940,931	$	4,556,208	$	4,510,846	$	585,673	$	635,629

For residential and consumer loans, the Company considers factors such as past due status, updated FICO scores, employment status, collateral, geography, loans discharged in bankruptcy, and the status of first lien position loans on second lien position loans as credit quality indicators. On an ongoing basis for portfolio monitoring purposes, the Company estimates the current value of property secured as collateral for both home equity and residential first mortgage lending products. The estimate is based on home price indices compiled by the S&P/Case-Shiller Home Price Indices. The trend data is applied to the loan portfolios taking into account the age of the most recent valuation and geographic area.

Troubled Debt Restructurings

The following table summarizes information for TDRs:

(Dollars in thousands)	At June 30, 2017		At December 31, 2016
Accrual status	$	136,047	$	147,809
Non-accrual status	87,052		75,719
Total recorded investment of TDRs	$	223,099	$	223,528
Specific reserves for TDRs included in the balance of ALLL	$	12,101	$	14,583
Additional funds committed to borrowers in TDR status	4,819		459

For the three and six months ended June 30, 2017, and 2016, Webster charged off $0.6 million and $2.6 million, and $3.3 million and $14.9 million, respectively, for the portion of TDRs deemed to be uncollectible.

The following table provides information on the type of concession for loans and leases modified as TDRs:

	Three months ended June 30,						Six months ended June 30,
	2017			2016			2017			2016
	Number of Loans and Leases	Post- Modification Recorded Investment(1)		Number of Loans and Leases	Post- Modification Recorded Investment(1)		Number of Loans and Leases	Post- Modification Recorded Investment(1)		Number of Loans and Leases	Post- Modification Recorded Investment(1)
(Dollars in thousands)
Residential:
Extended Maturity	4	$	420	2	$	338	9	$	1,390	7	$	1,002
Adjusted Interest Rate	2	335		—	—		2	335		1	236
Maturity/Rate Combined	2	354		7	895		5	846		7	895
Other (2)	7	1,176		8	1,476		26	4,114		15	2,891
Consumer:
Extended Maturity	4	625		6	193		6	664		7	292
Maturity/Rate Combined	4	830		4	359		11	2,813		8	659
Other (2)	10	701		22	839		43	2,894		29	1,177
Commercial:
Extended Maturity	6	778		—	—		8	813		9	14,649
Maturity/Rate Combined	5	8,854		1	644		5	8,854		2	648
Other (2)	—	—		3	64		1	4		7	374
Commercial real estate:
Maturity/Rate Combined	—	—		—	—		—	—		1	444
Other (2)	—	—		—	—		—	—		1	509
Equipment Financing
Extended Maturity	—	—		—	—		—	—		1	4
Total TDRs	44	$	14,073	53	$	4,808	116	$	22,727	95	$	23,780

(1) Post-modification balances approximate pre-modification balances. The aggregate amount of charge-offs as a result of the restructurings was not significant.

(2) Other includes covenant modifications, forbearance, loans discharged under Chapter 7 bankruptcy, or other concessions.

The following table provides information on loans and leases modified as TDRs within the previous 12 months and for which there was a payment default during the periods presented:

	Three months ended June 30,						Six months ended June 30,
	2017			2016			2017			2016
(Dollars in thousands)	Number of Loans and Leases	Recorded Investment		Number of Loans and Leases	Recorded Investment		Number of Loans and Leases	Recorded Investment		Number of Loans and Leases	Recorded Investment
Residential	—	$	—	1	$	54	—	$	—	1	$	54
Consumer	—	—		1	18		—	—		1	18
Commercial	1	23		1	1,363		1	23		1	1,363
Total	1	$	23	3	$	1,435	1	$	23	3	$	1,435

The recorded investment of TDRs in commercial, commercial real estate, and equipment financing segregated by risk rating exposure is as follows:

(In thousands)	At June 30, 2017		At December 31, 2016
(1) - (6) Pass	$	8,241	$	10,210
(7) Special Mention	367		7
(8) Substandard	46,705		45,509
(9) Doubtful	2,656		2,738
Total	$	57,969	$	58,464

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Transfers of Financial Assets

6 Months Ended

Jun. 30, 2017

Transfers and Servicing [Abstract]

Transfers of Financial Assets

Transfers of Financial Assets

The Company sells financial assets in the normal course of business, primarily residential mortgage loans sold to government-sponsored enterprises through established programs and securitizations. The gain or loss on residential mortgage loans sold and the related origination fee income, and the fair value adjustment to loans held-for-sale are included as mortgage banking activities in the accompanying Condensed Consolidated Statements of Income.

The Company may be required to repurchase a loan in the event of certain breaches of the representations and warranties, or in the event of default of the borrower within 90 days of sale, as provided for in the sale agreements. A reserve for loan repurchases provides for estimated losses pertaining to the potential repurchase of loans associated with the Company’s mortgage banking activities. The reserve reflects management’s evaluation of the identity of the counterparty, the vintage of the loans sold, the amount of open repurchase requests, specific loss estimates for each open request, the current level of loan losses in similar vintages held in the residential loan portfolio, and estimated recoveries on the underlying collateral. The reserve also reflects management’s expectation of losses from repurchase requests for which the Company has not yet been notified, as the performance of loans sold and the quality of the servicing provided by the acquirer also may impact the reserve. The provision recorded at the time of the loan sale is netted from the gain or loss recorded in mortgage banking activities, while any incremental provision, post loan sale, is recorded in other non-interest expense in the accompanying Condensed Consolidated Statements of Income.

The following table provides a summary of activity in the reserve for loan repurchases:

	Three months ended June 30,					Six months ended June 30,
(In thousands)	2017		2016			2017		2016
Beginning balance	$	824	$	1,119		$	790	$	1,192
Provision (benefit) charged to expense	19		(127		)	53		(102		)
Repurchased loans and settlements charged off	—		—			—		(98		)
Ending balance	$	843	$	992		$	843	$	992

The following table provides information for mortgage banking activities:

	Three months ended June 30,				Six months ended June 30,
(In thousands)	2017		2016		2017		2016
Residential mortgage loans held for sale:
Proceeds from sale	$	66,718	$	85,411	$	173,338	$	170,572
Loans sold with servicing rights retained	60,167		78,645		159,667		158,005
Net gain on sale	2,126		1,820		2,377		3,425
Ancillary fees	641		808		1,409		1,439
Fair value option adjustment	584		1,125		1,831		2,149

The Company has retained servicing rights on residential mortgage loans totaling $2.6 billion at both June 30, 2017 and December 31, 2016.

The following table presents the changes in carrying value for mortgage servicing assets:

	Three months ended June 30,				Six months ended June 30,
(In thousands)	2017		2016		2017		2016
Beginning balance	$	24,336	$	21,004	$	24,466	$	20,698
Additions	2,478		2,947		4,487		4,860
Amortization	(2,106)		(2,005)		(4,245)		(3,612)
Ending balance	$	24,708	$	21,946	$	24,708	$	21,946

Loan servicing fees, net of mortgage servicing rights amortization, were $0.2 million and $0.3 million for the three months ended June 30, 2017 and 2016, respectively, and $0.4 million and $0.6 million for the six months ended June 30, 2017 and 2016, respectively, and are included as a component of loan related fees in the accompanying Condensed Consolidated Statements of Income.

See Note 13: Fair Value Measurements for a further discussion on the fair value of loans held for sale and mortgage servicing assets. Additionally, loans not originated for sale were sold approximately at carrying value, for cash proceeds of $7.4 million for certain residential loans and $11.7 million for certain commercial loans for the six months ended June 30, 2017 and 2016, respectively.

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Goodwill and Other Intangible Assets

6 Months Ended

Jun. 30, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Other Intangible Assets

Goodwill and Other Intangible Assets

Goodwill and other intangible assets by reportable segment consisted of the following:

	At June 30, 2017							At December 31, 2016
(In thousands)	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Other intangible assets:
HSA Bank CDI	$	22,000	$	(7,437	)	$	14,563	$	22,000	$	(6,162	)	$	15,838
HSA Bank Customer relationships	21,000		(3,972		)	17,028		21,000		(3,164		)	17,836
Total other intangible assets	$	43,000	$	(11,409	)	$	31,591	$	43,000	$	(9,326	)	$	33,674
Goodwill:
Community Banking						$	516,560						$	516,560
HSA Bank						21,813							21,813
Total goodwill						$	538,373						$	538,373

There was no change in the carrying amounts for goodwill since December 31, 2016.

As of June 30, 2017, the remaining estimated aggregate future amortization expense for intangible assets is as follows:

(In thousands)
Remainder of 2017	$	1,980
2018	3,847
2019	3,847
2020	3,847
2021	3,847
Thereafter	14,223

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Deposits

6 Months Ended

Jun. 30, 2017

Banking and Thrift [Abstract]

Deposits

Deposits

A summary of deposits by type follows:

(In thousands)	At June 30, 2017		At December 31, 2016
Non-interest-bearing:
Demand	$	4,074,819	$	4,021,061
Interest-bearing:
Checking	2,669,207		2,528,274
Health savings accounts	4,828,145		4,362,503
Money market	2,316,460		2,047,121
Savings	4,473,925		4,320,090
Time deposits	2,095,541		2,024,808
Total interest-bearing	16,383,278		15,282,796
Total deposits	$	20,458,097	$	19,303,857
Time deposits and interest-bearing checking, included in above balances, obtained through brokers	$	913,234	$	848,618
Time deposits, included in above balance, that meet or exceed the FDIC limit	572,231		490,721
Deposit overdrafts reclassified as loan balances	1,242		1,885

The scheduled maturities of time deposits are as follows:

(In thousands)	At June 30, 2017
Remainder of 2017	$	522,491
2018	715,967
2019	526,115
2020	200,945
2021	107,943
Thereafter	22,080
Total time deposits	$	2,095,541

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Borrowings

6 Months Ended

Jun. 30, 2017

Debt Disclosure [Abstract]

Borrowings

Borrowings

Total borrowings of $2.9 billion at June 30, 2017 and $4.0 billion at December 31, 2016 are described in detail below.

The following table summarizes securities sold under agreements to repurchase and other borrowings:

	At June 30, 2017				At December 31, 2016
(In thousands)	Amount		Rate		Amount		Rate
Securities sold under agreements to repurchase:
Original maturity of one year or less	$	310,967	0.17	%	$	340,526	0.16	%
Original maturity of greater than one year, non-callable	400,000		3.04		400,000		3.09
Total securities sold under agreements to repurchase	710,967		1.79		740,526		1.82
Fed funds purchased	161,725		1.13		209,000		0.46
Securities sold under agreements to repurchase and other borrowings	$	872,692	1.66	%	$	949,526	1.53	%

Repurchase agreements are used as a source of borrowed funds and are collateralized by U.S. Government agency mortgage-backed securities. Repurchase agreement counterparties are limited to primary dealers in government securities and commercial/municipal customers through Webster’s Treasury Unit. Dealer counterparties have the right to pledge, transfer, or hypothecate purchased securities during the term of the transaction. The Company has right of offset with respect to all repurchase agreement assets and liabilities. Total securities sold under agreements to repurchase represents the gross amount for these transactions, as only liabilities are outstanding for the periods presented.

The following table provides information for FHLB advances:

	At June 30, 2017				At December 31, 2016
(Dollars in thousands)	Amount		Weighted- Average Contractual Coupon Rate		Amount		Weighted- Average Contractual Coupon Rate
Maturing within 1 year	$	1,105,500	1.21	%	$	2,130,500	0.71	%
After 1 but within 2 years	175,000		1.45		200,000		1.36
After 2 but within 3 years	153,026		1.78		128,026		1.73
After 3 but within 4 years	175,000		1.72		175,000		1.77
After 4 but within 5 years	150,000		2.23		200,000		1.81
After 5 years	9,225		2.59		9,370		2.59
	1,767,751		1.43	%	2,842,896		0.95	%
Premiums on advances	6				12
Federal Home Loan Bank advances	$	1,767,757			$	2,842,908
Aggregate carrying value of assets pledged as collateral	$	5,835,397			$	5,967,318
Remaining borrowing capacity	2,066,318				1,192,758

Webster Bank is in compliance with FHLB collateral requirements for the periods presented. Eligible collateral, primarily certain residential and commercial real estate loans, has been pledged to secure FHLB advances.

The following table summarizes long-term debt:

(Dollars in thousands)		At June 30, 2017			At December 31, 2016
4.375%	Senior fixed-rate notes due February 15, 2024	$	150,000		$	150,000
Junior subordinated debt Webster Statutory Trust I floating-rate notes due September 17, 2033 (1)		77,320			77,320
Total notes and subordinated debt		227,320			227,320
Discount on senior fixed-rate notes		(786		)	(845		)
Debt issuance cost on senior fixed-rate notes		(894		)	(961		)
Long-term debt		$	225,640		$	225,514

(1)

The interest rate on Webster Statutory Trust I floating-rate notes, which varies quarterly based on 3-month LIBOR plus 2.95%, was 4.22% at June 30, 2017 and 3.94% at December 31, 2016.

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Accumulated Other Comprehensive Loss, Net of Tax

6 Months Ended

Jun. 30, 2017

Equity [Abstract]

Accumulated Other Comprehensive Loss, Net of Tax

Accumulated Other Comprehensive Loss, Net of Tax

The following tables summarize the changes in AOCL by component:

	Three months ended June 30, 2017												Six months ended June 30, 2017
(In thousands)	Securities Available For Sale and Transferred			Derivative Instruments			Defined Benefit Pension and Other Postretirement Benefit Plans			Total			Securities Available For Sale and Transferred			Derivative Instruments			Defined Benefit Pension and Other Postretirement Benefit Plans			Total
Beginning balance	$	(17,701	)	$	(15,909	)	$	(43,417	)	$	(77,027	)	$	(15,476	)	$	(17,068	)	$	(44,449	)	$	(76,993	)
OCI/OCL before reclassifications	3,200			(472		)	—			2,728			975			(411		)	—			564
Amounts reclassified from AOCL	—			1,123			1,094			2,217			—			2,221			2,126			4,347
Net current-period OCI/OCL	3,200			651			1,094			4,945			975			1,810			2,126			4,911
Ending balance	$	(14,501	)	$	(15,258	)	$	(42,323	)	$	(72,082	)	$	(14,501	)	$	(15,258	)	$	(42,323	)	$	(72,082	)

	Three months ended June 30, 2016												Six months ended June 30, 2016
(In thousands)	Securities Available For Sale and Transferred			Derivative Instruments			Defined Benefit Pension and Other Postretirement Benefit Plans			Total			Securities Available For Sale and Transferred			Derivative Instruments			Defined Benefit Pension and Other Postretirement Benefit Plans			Total
Beginning balance	$	1,098		$	(23,932	)	$	(47,563	)	$	(70,397	)	$	(6,407	)	$	(22,980	)	$	(48,719	)	$	(78,106	)
OCI/OCL before reclassifications	11,324			(758		)	—			10,566			18,938			(3,210		)	—			15,728
Amounts reclassified from AOCL	(59		)	1,284			1,095			2,320			(168		)	2,784			2,251			4,867
Net current-period OCI/OCL	11,265			526			1,095			12,886			18,770			(426		)	2,251			20,595
Ending balance	$	12,363		$	(23,406	)	$	(46,468	)	$	(57,511	)	$	12,363		$	(23,406	)	$	(46,468	)	$	(57,511	)

The following tables provide information for the items reclassified from AOCL:

(In thousands)	Three months ended June 30,						Six months ended June 30,						Associated Line Item in the Condensed Consolidated Statements of Income
AOCL Components	2017			2016			2017			2016
Securities available-for-sale and transferred:
Unrealized gains (losses) on investment securities	$	—		$	94		$	—		$	414		Gain on sale of investment securities, net
Unrealized gains (losses) on investment securities	—			—			—			(149		)	Impairment loss recognized in earnings
Total before tax	—			94			—			265
Tax benefit (expense)	—			(35		)	—			(97		)	Income tax expense
Net of tax	$	—		$	59		$	—		$	168
Derivative instruments:
Cash flow hedges	$	(1,771	)	$	(2,024	)	$	(3,506	)	$	(4,389	)	Total interest expense
Tax benefit	648			740			1,285			1,605			Income tax expense
Net of tax	$	(1,123	)	$	(1,284	)	$	(2,221	)	$	(2,784	)
Defined benefit pension and other postretirement benefit plans:
Amortization of net loss	$	(1,734	)	$	(1,734	)	$	(3,372	)	$	(3,563	)	(1)
Prior service costs	—			(3		)	—			(7		)	(1)
Total before tax	(1,734		)	(1,737		)	(3,372		)	(3,570		)
Tax benefit	640			642			1,246			1,319			Income tax expense
Net of tax	$	(1,094	)	$	(1,095	)	$	(2,126	)	$	(2,251	)

(1) These accumulated other comprehensive loss components are included in the computation of net periodic benefit cost (see Note 14 - Retirement Benefit Plans for further details).

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Regulatory Matters

6 Months Ended

Jun. 30, 2017

Regulatory Capital Requirements [Abstract]

Regulatory Matters

Regulatory Matters

Capital Requirements

Webster Financial Corporation is subject to regulatory capital requirements administered by the Federal Reserve System, while Webster Bank is subject to regulatory capital requirements administered by the OCC. Regulatory authorities can initiate certain mandatory actions if Webster Financial Corporation or Webster Bank fail to meet minimum capital requirements, which could have a direct material effect on the Company’s financial statements. Under capital adequacy guidelines and the regulatory framework for prompt corrective action, both Webster Financial Corporation and Webster Bank must meet specific capital guidelines that involve quantitative measures of assets, liabilities, and certain off-balance sheet items calculated under regulatory accounting practices. These quantitative measures require minimum amounts and ratios to ensure capital adequacy.

Basel III total risk-based capital is comprised of three categories: CET1 capital, additional Tier 1 capital, and Tier 2 capital. CET1 capital includes common shareholders' equity, less deductions for goodwill, other intangibles, and certain deferred tax liabilities. Common shareholders' equity, for purposes of CET1 capital, excludes AOCL components as permitted by the opt-out election taken by Webster upon adoption of Basel III. Tier 1 capital is comprised of CET1 capital plus perpetual preferred stock, while Tier 2 capital includes qualifying subordinated debt and qualifying allowance for credit losses, that together equal total capital.

The following table provides information on the capital ratios for Webster Financial Corporation and Webster Bank:

	At June 30, 2017
	Actual				Minimum Requirement				Well Capitalized
(Dollars in thousands)	Amount		Ratio		Amount		Ratio		Amount		Ratio
Webster Financial Corporation
CET1 risk-based capital	$	2,000,421	10.84	%	$	830,190	4.5	%	$	1,199,163	6.5	%
Total risk-based capital	2,402,573		13.02		1,475,893		8.0		1,844,867		10.0
Tier 1 risk-based capital	2,123,131		11.51		1,106,920		6.0		1,475,893		8.0
Tier 1 leverage capital	2,123,131		8.28		1,025,965		4.0		1,282,457		5.0
Webster Bank
CET1 risk-based capital	$	2,042,747	11.08	%	$	829,365	4.5	%	$	1,197,972	6.5	%
Total risk-based capital	2,244,869		12.18		1,474,427		8.0		1,843,034		10.0
Tier 1 risk-based capital	2,042,747		11.08		1,105,821		6.0		1,474,427		8.0
Tier 1 leverage capital	2,042,747		7.97		1,025,265		4.0		1,281,581		5.0

	At December 31, 2016
	Actual				Minimum Requirement				Well Capitalized
(Dollars in thousands)	Amount		Ratio		Amount		Ratio		Amount		Ratio
Webster Financial Corporation
CET1 risk-based capital	$	1,932,171	10.52	%	$	826,504	4.5	%	$	1,193,840	6.5	%
Total risk-based capital	2,328,808		12.68		1,469,341		8.0		1,836,677		10.0
Tier 1 risk-based capital	2,054,881		11.19		1,102,006		6.0		1,469,341		8.0
Tier 1 leverage capital	2,054,881		8.13		1,010,857		4.0		1,263,571		5.0
Webster Bank
CET1 risk-based capital	$	1,945,332	10.61	%	$	825,228	4.5	%	$	1,191,995	6.5	%
Total risk-based capital	2,141,939		11.68		1,467,071		8.0		1,833,839		10.0
Tier 1 risk-based capital	1,945,332		10.61		1,100,304		6.0		1,467,071		8.0
Tier 1 leverage capital	1,945,332		7.70		1,010,005		4.0		1,262,507		5.0

Dividend Restrictions

Webster Financial Corporation is dependent upon dividends from Webster Bank to provide funds for its cash requirements, including payments of dividends to shareholders. Banking regulations may limit the amount of dividends that may be paid. Approval by regulatory authorities is required if the effect of dividends declared would cause the regulatory capital of Webster Bank to fall below specified minimum levels, or if dividends declared exceed the net income for that year combined with the undistributed net income for the preceding two years. In addition, the OCC has discretion to prohibit any otherwise permitted capital distribution on general safety and soundness grounds. Dividends paid by Webster Bank to Webster Financial Corporation totaled $30 million during the six months ended June 30, 2017 compared to $85 million during the six months ended June 30, 2016.

Cash Restrictions

Webster Bank is required by Federal Reserve System regulations to hold cash reserve balances on hand or with the Federal Reserve Bank. Pursuant to this requirement, Webster Bank held $71.0 million and $58.6 million at June 30, 2017 and December 31, 2016, respectively.

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Earnings Per Common Share

6 Months Ended

Jun. 30, 2017

Earnings Per Share [Abstract]

Earnings Per Common Share

Earnings Per Common Share

Reconciliation of the calculation of basic and diluted earnings per common share follows:

	Three months ended June 30,				Six months ended June 30,
(In thousands, except per share data)	2017		2016		2017		2016
Earnings for basic and diluted earnings per common share:
Net income	$	61,579	$	50,603	$	121,050	$	97,650
Less: Preferred stock dividends	2,024		2,024		4,048		4,048
Net income available to common shareholders	59,555		48,579		117,002		93,602
Less: Earnings applicable to participating securities	70		181		176		320
Earnings applicable to common shareholders	$	59,485	$	48,398	$	116,826	$	93,282
Shares:
Weighted-average common shares outstanding - basic	92,092		91,244		91,989		91,247
Effect of dilutive securities:
Stock options and restricted stock	397		475		475		453
Warrants	6		26		6		26
Weighted-average common shares outstanding - diluted	92,495		91,745		92,470		91,726
Earnings per common share:
Basic	$	0.65	$	0.53	$	1.27	$	1.02
Diluted	0.64		0.53		1.26		1.02

Potential common shares excluded from the effect of dilutive securities because they would have been anti-dilutive, are as follows:

	Three months ended June 30,		Six months ended June 30,
(In thousands)	2017	2016	2017	2016
Stock options (shares with exercise price greater than market price)	—	172	—	172
Restricted stock (due to performance conditions on non-participating shares)	79	194	60	188

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Derivative Financial Instruments

6 Months Ended

Jun. 30, 2017

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Derivative Financial Instruments

Derivative Financial Instruments

Risk Management Objective of Using Derivatives

Webster manages economic risks, such as interest rate, liquidity, and credit risks by managing the amount, sources, and duration of its debt funding in conjunction with the use of interest rate derivative financial instruments. Webster enters into interest rate derivatives to mitigate the exposure related to business activities that result in the future receipt or payment of, both known and uncertain, cash amounts that are impacted by interest rates. The primary objective for using interest rate derivatives is to add stability to interest expense by managing exposure to interest rate movements. To accomplish this objective, Webster uses interest rate swaps and interest rate caps as part of its interest rate risk management strategy.

Interest rate swaps and interest rate caps designated as cash flow hedges are designed to manage the risk associated with a forecasted event or an uncertain variable-rate cash flow. Forward-settle interest rate swaps protect the Company against adverse fluctuations in interest rates by reducing its exposure to variability in cash flows relating to interest payments on forecasted debt issuances. Interest rate swaps designated as cash flow hedges involve the receipt of variable amounts from a counterparty in exchange for the Company making fixed-rate payments over the life of the agreements without exchange of the underlying notional amount. Interest rate caps designated as cash flow hedges involve the receipt of variable amounts from a counterparty if interest rates rise above the strike rate on the contract in exchange for payment of an up-front premium.

Cash flow hedges are used to regulate the variable cash flows associated with existing variable-rate debt and forecasted issuances of debt. Derivative instruments designated as cash flow hedges are recorded on the balance sheet at fair value. The effective portion of the change in fair value of the derivatives which are designated as cash flow hedges, and that qualify for hedge accounting, is recorded to AOCL and is reclassified into earnings in the subsequent periods that the hedged forecasted transaction affects earnings. The ineffective portion of the change in fair value of these derivatives, attributable to the difference in the effective date of the hedge and the effective date of the debt issuance, is recognized directly in earnings. During the periods presented, there was no ineffectiveness to be recognized in earnings.

Certain fixed-rate obligations can be exposed to a change in fair value attributable to changes in benchmark interest rates. On occasion, interest rate swaps will be used to manage this exposure. An interest rate swap which involves the receipt of fixed-rate amounts from a counterparty in exchange for Webster making variable-rate payments over the life of the agreement, without the exchange of the underlying notional amount, is designated as a fair value hedge. For a qualifying derivative designated as a fair value hedge, the gain or loss on the derivative, as well as the gain or loss on the hedged item, is recognized in interest expense. During the periods presented, Webster did not have any interest rate derivative financial instruments designated as fair value hedges and as a result, there was no impact to interest expense.

Additionally, in order to address certain other risk management matters, the Company also utilizes derivative instruments that do not qualify for hedge accounting. These derivative instruments, which are recorded on the balance sheet at fair value, with changes in fair value recognized each period as other non-interest income in the accompanying Condensed Consolidated Statements of Income, are described in the following paragraphs.

Interest rate swap and cap contracts are sold to commercial and other customers who wish to modify loan interest rate sensitivity. These contracts are offset with dealer counterparty transactions structured with matching terms. As a result, there is minimal impact on earnings, except for fee income earned in such transactions.

RPAs are entered into as financial guarantees of performance on interest rate swap derivatives. The purchased (asset) or sold (liability) guarantee allows the Company to participate-in (fee received) or participate-out (fee paid) the risk associated with certain derivative positions executed with the borrower by the lead bank in a loan syndication.

Other derivatives include foreign currency forward contracts related to lending arrangements, a VISA equity swap transaction, and mortgage banking derivatives such as mortgage-backed securities related to residential loan commitments and loans held for sale. Mortgage banking derivatives are utilized by Webster in its efforts to manage risk of loss associated with its mortgage loan commitments and mortgage loans held for sale. Prior to closing and funding certain single-family residential mortgage loans interest rate lock commitments are generally extended to the borrowers. During the period from commitment date to closing date, Webster is subject to the risk that market rates of interest may change. If market rates rise, investors generally will pay less to purchase such loans causing a reduction in the anticipated gain on sale of the loans, or possibly resulting in a loss. In an effort to mitigate such risk, forward delivery sales commitments are established under which Webster agrees to deliver whole mortgage loans to various investors or issue mortgage-backed securities. Mandatory forward commitments establish the price to be received upon the sale of the related mortgage loan, thereby mitigating certain interest rate risk. There is, however, still certain execution risk specifically related to Webster’s ability to close and deliver to its investors the mortgage loans it has committed to sell.

Fair Value of Derivative Instruments

The following table presents the notional amounts and fair values of derivative positions:

	At June 30, 2017								At December 31, 2016
	Asset Derivatives				Liability Derivatives				Asset Derivatives				Liability Derivatives
(In thousands)	Notional Amounts		Fair Value		Notional Amounts		Fair Value		Notional Amounts		Fair Value		Notional Amounts		Fair Value
Designated as hedging instruments:
Positions subject to a master netting agreement (1)
Interest rate derivatives	$	225,000	$	2,198	$	100,000	$	367	$	225,000	$	3,270	$	100,000	$	792
Not designated as hedging instruments:
Positions subject to a master netting agreement (1)
Interest rate derivatives	2,132,888		6,740		1,205,406		4,224		1,943,485		32,226		1,242,937		24,388
Other	3,566		109		22,588		395		10,634		231		14,265		120
Positions not subject to a master netting agreement
Interest rate derivatives	1,822,285		38,495		1,516,009		15,915		1,734,679		38,668		1,451,762		19,001
RPAs	85,447		119		97,528		145		86,037		139		87,273		166
Mortgage banking derivatives (2)	88,120		998		52,491		293		103,440		3,084		59,895		711
Other	—		—		1,857		106		1,438		19		181		11
Total not designated as hedging instruments	4,132,306		46,461		2,895,879		21,078		3,879,713		74,367		2,856,313		44,397
Gross derivative instruments, before netting	$	4,357,306	48,659		$	2,995,879	21,445		$	4,104,713	77,637		$	2,956,313	45,189
Less: Legally enforceable master netting agreements			3,802				3,802				24,252				24,254
Less: Cash collateral posted			1,680				999				11,475				600
Total derivative instruments, after netting			$	43,177			$	16,644			$	41,910			$	20,335

(1) One of Webster's counterparty relationships was impacted by a Chicago Mercantile Exchange rulebook amendment, resulting in the presentation of that relationship on a settlement basis, as a single unit of account at June 30, 2017, versus a netting basis at December 31, 2016.

(2) Notional amounts include mandatory forward commitments of $77.9 million, while notional amounts do not include approved floating rate commitments of $22.8 million, at June 30, 2017.

Changes in Fair Value

Changes in the fair value of derivatives not qualifying for hedge accounting treatment were recognized as follows:

	Three months ended June 30,						Six months ended June 30,
(In thousands)	2017			2016			2017			2016
Interest rate derivatives	$	30		$	3,574		$	279		$	5,907
RPAs	53			(167		)	106			(253		)
Mortgage banking derivatives	374			(162		)	(1,667		)	(363		)
Other	(283		)	216			(627		)	(297		)
Total impact on other non-interest income	$	174		$	3,461		$	(1,909	)	$	4,994

Amounts for the effective portion of changes in the fair value of derivatives qualifying for hedge accounting treatment are reclassified to interest expense as interest payments are made on Webster's variable-rate debt. Over the next twelve months, the Company estimates that $1.3 million will be reclassified from AOCL as an increase to interest expense.

Webster records gains and losses related to hedge terminations to AOCL. These balances are subsequently amortized into interest expense over the respective terms of the hedged debt instruments. At June 30, 2017, the remaining unamortized loss on the termination of cash flow hedges is $18.1 million. Over the next twelve months, the Company estimates that $6.3 million will be reclassified from AOCL as an increase to interest expense.

Additional information about cash flow hedge activity impacting AOCL, and the related amounts reclassified to interest expense is provided in Note 9: Accumulated Other Comprehensive Loss, Net of Tax. Information about the valuation methods used to measure the fair value of derivatives is provided in Note 13: Fair Value Measurements.

Offsetting Derivatives

Webster has entered into transactions with counterparties that are subject to a legally enforceable master netting agreement. Derivatives subject to a legally enforceable master netting agreement are reported on a net basis, net of cash collateral. Net gain positions are recorded as assets and are included in accrued interest receivable and other assets, while, net loss positions are recorded as liabilities and are included in accrued expenses and other liabilities, in the accompanying Condensed Consolidated Balance Sheets.

The following table is presented on a gross basis, prior to the application of counterparty netting agreements:

	At June 30, 2017								At December 31, 2016
(In thousands)	Gross Amount		Relationship Offset		Cash Collateral Offset		Net Amount		Gross Amount		Relationship Offset		Cash Collateral Offset		Net Amount
Derivative instrument gains:
Hedge accounting	$	2,198	$	1,046	$	398	$	754	$	3,270	$	2,335	$	935	$	—
Non-hedge accounting	4,319		2,756		1,282		281		32,457		21,917		10,540		—
Total assets	$	6,517	$	3,802	$	1,680	$	1,035	$	35,727	$	24,252	$	11,475	$	—
Derivative instrument losses:
Hedge accounting	$	367	$	367	$	—	$	—	$	792	$	792	$	—	$	—
Non-hedge accounting	4,620		3,435		999		186		24,508		23,462		600		446
Total liabilities	$	4,987	$	3,802	$	999	$	186	$	25,300	$	24,254	$	600	$	446

Counterparty Credit Risk

Use of derivative contracts may expose the bank to counterparty credit risk. The Company has ISDA master agreements, including a Credit Support Annex, with all derivative counterparties. The ISDA master agreements provide that on each payment date, all amounts otherwise owing the same currency under the same transaction are netted so that only a single amount is owed in that currency. The ISDA provides, if the parties so elect, for such netting of amounts in the same currency among all transactions identified as being subject to such election that have common payment dates and booking offices. Under the Credit Support Annex, daily net exposure in excess of a negotiated threshold is secured by posted cash collateral. The Company has negotiated a zero threshold with the majority of its approved financial institution counterparties. In accordance with Webster policies, institutional counterparties must be analyzed and approved through the Company’s credit approval process.

The Company’s credit exposure on interest rate derivatives with non-dealer counterparties is limited to the net favorable value, including accrued interest, of all such instruments, reduced by the amount of collateral pledged by the counterparties. The Company's credit exposure related to derivatives with dealer counterparties is significantly mitigated with cash collateral equal to, or in excess of, the market value of the instrument updated daily.

In accordance with counterparty credit agreements and derivative clearing rules, the Company had approximately $28.1 million in net margin collateral posted with financial counterparties at June 30, 2017, comprised of $30.7 million in initial margin and $2.6 million in variation margin collateral received from financial counterparties or the derivative clearing organization. Collateral levels for approved financial institution counterparties are monitored daily and adjusted as necessary. In the event of default, should the collateral not be returned, the exposure would be offset by terminating the transaction.

The Company regularly evaluates the credit risk of its counterparties, taking into account the likelihood of default, net exposures, and remaining contractual life, among other related factors. The Company's net current credit exposure relating to interest rate derivatives with Webster Bank customers was $38.5 million at June 30, 2017. In addition, the Company monitors potential future exposure, representing its best estimate of exposure to remaining contractual maturity. The potential future exposure relating to interest rate derivatives with Webster Bank customers totaled $27.4 million at June 30, 2017. Credit risk exposure is mitigated as transactions with customers are generally secured by the same collateral of the underlying transactions being hedged.

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Fair Value Measurements

6 Months Ended

Jun. 30, 2017

Fair Value Disclosures [Abstract]

Fair Value Measurements

Fair Value Measurements

Fair value is the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. Fair value is best determined using quoted market prices. However, in many instances, quoted market prices are not available. In such instances, fair values are determined using appropriate valuation techniques. Various assumptions and observable inputs must be relied upon in applying these techniques. Accordingly, categorization within the valuation hierarchy is based upon the lowest level of input that is significant to the fair value measurement. As such, the fair value estimates may not be realized in an immediate transfer of the respective asset or liability.

Fair value estimates are made at a specific point in time, based on relevant market information and information about the financial instrument. These estimates do not reflect any premium or discount that could result from offering for sale at one time the entire holdings or any part of a particular financial instrument. Fair value estimates are based on judgments regarding future expected loss experience, current economic conditions, risk characteristics of various financial instruments, and other factors. These factors are subjective in nature and involve uncertainties and matters of significant judgment and, therefore, cannot be determined with precision. Changes in assumptions could significantly affect the estimates.

Fair Value Hierarchy

The three levels within the fair value hierarchy are as follows:

• Level 1: Valuation is based upon unadjusted quoted prices in active markets for identical assets or liabilities that the reporting entity has the ability to access at the measurement date.

• Level 2: Fair value is calculated using significant inputs other than quoted market prices that are directly or indirectly observable for the asset or liability. The valuation may rely on quoted prices for similar assets or liabilities in active markets, quoted prices for identical or similar assets or liabilities in inactive markets, inputs other than quoted prices that are observable for the asset or liability (such as interest rates, volatilities, prepayment speeds, credit ratings, etc.), or inputs that are derived principally or corroborated by market data, by correlation, or other means.

• Level 3: Inputs for determining the fair value of the respective assets or liabilities are not observable. Level 3 valuations are reliant upon pricing models and techniques that require significant management judgment or estimation.

Assets and Liabilities Measured at Fair Value on a Recurring Basis

Available-for-Sale Investment Securities. When quoted prices are available in an active market, the Company classifies investment securities within Level 1 of the valuation hierarchy. U.S. Treasury Bills are classified within Level 1 of the fair value hierarchy.

When quoted market prices are not available, the Company employs an independent pricing service that utilizes matrix pricing to calculate fair value. Such fair value measurements consider observable data such as dealer quotes, market spreads, cash flows, yield curves, live trading levels, trade execution data, market consensus prepayments speeds, credit information, and respective terms and conditions for debt instruments. Management maintains procedures to monitor the pricing service's assumptions and establishes processes to challenge the pricing service's valuations that appear unusual or unexpected. Available-for-Sale investment securities which include Agency CMO, Agency MBS, Agency CMBS, CMBS, CLO, trust preferred, and corporate debt, are classified within Level 2 of the fair value hierarchy.

Derivative Instruments. Foreign exchange contracts are valued based on unadjusted quoted prices in active markets and classified within Level 1 of the fair value hierarchy. Derivative instruments are valued using third-party valuation software, which considers the present value of cash flows discounted using observable forward rate assumptions. The Chicago Mercantile Exchange have amended their rulebooks to legally characterize variation margin payments for over-the-counter derivatives that clear as settlements rather than collateral, effective January 3, 2017. One of Webster's counterparty relationships was impacted by this change, resulting in the fair value of the instrument including cash collateral as a single unit of account.

The resulting fair values are validated against valuations performed by independent third parties and are classified within Level 2 of the fair value hierarchy. In determining if any fair value adjustment related to credit risk is required, Webster evaluates the credit risk of its counterparties by considering factors such as the likelihood of default by the counterparties, its net exposures, the remaining contractual life, as well as the amount of collateral securing the position. Webster reviews its counterparty exposure on a regular basis, and, when necessary, appropriate business actions are taken to adjust the exposure. When determining fair value, Webster applies the portfolio exception with respect to measuring counterparty credit risk for all of its derivative transactions subject to a master netting arrangement. The change in value of derivative assets and liabilities attributable to credit risk was not significant during the reported periods.

Mortgage Banking Derivatives. Forward sales of mortgage loans and mortgage-backed securities are utilized by the Company in its efforts to manage risk of loss associated with its mortgage loan commitments and mortgage loans held for sale. Prior to closing and funding certain single-family residential mortgage loans, an interest rate lock commitment is generally extended to the borrower. During the period from commitment date to closing date, the Company is subject to the risk that market rates of interest may change. If market rates rise, investors generally will pay less to purchase such loans resulting in a reduction in the gain on sale of the loans or, possibly, a loss. In an effort to mitigate such risk, forward delivery sales commitments are established, under which the Company agrees to deliver whole mortgage loans to various investors or issue mortgage-backed securities. The fair value of mortgage banking derivatives is determined based on current market prices for similar assets in the secondary market and, therefore, classified within Level 2 of the fair value hierarchy.

Investments Held in Rabbi Trust. Investments held in the Rabbi Trust primarily include mutual funds that invest in equity and fixed income securities. Shares of mutual funds are valued based on net asset value, which represents quoted market prices for the underlying shares held in the mutual funds. Therefore, investments held in the Rabbi Trust are classified within Level 1 of the fair value hierarchy. Webster has elected to measure the investments held in the Rabbi Trust at fair value. The cost basis of the investments held in the Rabbi Trust is $2.9 million at June 30, 2017.

Alternative Investments. Alternative investments are non-public entities that cannot be redeemed since the Company’s investment is distributed as the underlying equity is liquidated. Alternative investments in which the ownership percentage is greater than 3% are fair valued on a recurring basis based upon the net asset value of the respective fund. Alternative investments in which the ownership percentage is less than 3% are fair valued on a non-recurring basis. These alternative investments are recorded at cost, subject to impairment testing. Both recurring and non-recurring alternative investments are classified within Level 3 of the fair value hierarchy, as they are non-public entities that cannot be redeemed since the Company's investment is distributed as the underlying investments are liquidated. At June 30, 2017, the alternative investments book value was $16.5 million and there was $9.1 million in remaining unfunded commitments.

Originated Loans Held For Sale. Residential mortgage loans typically are classified as held for sale upon origination based on management's intent to sell such loans. The Company generally records residential mortgage loans held for sale under the fair value option of ASC 820 "Fair Value Measurement". The fair value of residential mortgage loans held for sale is based on quoted market prices of similar loans sold in conjunction with securitization transactions. Accordingly, such loans are classified within Level 2 of the fair value hierarchy.

Summaries of the fair values of assets and liabilities measured at fair value on a recurring basis are as follows:

	At June 30, 2017
(In thousands)	Level 1		Level 2		Level 3		Total
Financial assets held at fair value:
U.S. Treasury Bills	$	3,843	$	—	$	—	$	3,843
Agency CMO	—		359,016		—		359,016
Agency MBS	—		875,690		—		875,690
Agency CMBS	—		587,102		—		587,102
CMBS	—		479,908		—		479,908
CLO	—		363,125		—		363,125
Trust preferred	—		31,202		—		31,202
Corporate debt	—		108,080		—		108,080
Total available-for-sale investment securities	3,843		2,804,123		—		2,807,966
Gross derivative instruments, before netting (1)	109		48,550		—		48,659
Investments held in Rabbi Trust	5,083		—		—		5,083
Alternative investments	—		—		6,587		6,587
Originated loans held for sale	—		39,407		—		39,407
Total financial assets held at fair value	$	9,035	$	2,892,080	$	6,587	$	2,907,702
Financial liabilities held at fair value:
Gross derivative instruments, before netting (1)	$	489	$	20,956	$	—	$	21,445

	At December 31, 2016
(In thousands)	Level 1		Level 2		Level 3		Total
Financial assets held at fair value:
U.S. Treasury Bills	$	734	$	—	$	—	$	734
Agency CMO	—		419,706		—		419,706
Agency MBS	—		954,349		—		954,349
Agency CMBS	—		573,272		—		573,272
CMBS	—		477,365		—		477,365
CLO	—		427,390		—		427,390
Trust preferred	—		28,633		—		28,633
Corporate debt	—		109,642		—		109,642
Total available-for-sale investment securities	734		2,990,357		—		2,991,091
Gross derivative instruments, before netting (1)	250		77,387		—		77,637
Investments held in Rabbi Trust	5,119		—		—		5,119
Alternative investments	—		—		5,502		5,502
Originated loans held for sale	—		60,260		—		60,260
Total financial assets held at fair value	$	6,103	$	3,128,004	$	5,502	$	3,139,609
Financial liabilities held at fair value:
Gross derivative instruments, before netting (1)	$	120	$	45,069	$	—	$	45,189

(1) For information relating to the impact of netting derivative assets and derivative liabilities as well as the impact from offsetting cash collateral paid to the same derivative counterparties see Note 12: Derivative Financial Instruments.

The following table presents the changes in Level 3 assets and liabilities that are measured at fair value on a recurring basis:

(In thousands)	Alternative Investments
Balance at January 1, 2017	$	5,502
Unrealized gain included in net income	228
Purchases/capital funding	899
Payments	(42		)
Balance at June 30, 2017	$	6,587

Assets Measured at Fair Value on a Non-Recurring Basis

Certain assets are measured at fair value on a non-recurring basis; that is, the assets are not measured at fair value on an ongoing basis but are subject to fair value adjustments in certain circumstances, for example, when there is evidence of impairment. The following is a description of valuation methodologies used for assets measured on a non-recurring basis.

Transferred Loans Held For Sale. Certain loans are transferred to loans held for sale once a decision has been made to sell such loans. These loans are accounted for at the lower of cost or market and are considered to be recognized at fair value when they are recorded at below cost. This activity is primarily commercial loans with observable inputs and is classified within Level 2. On the occasion should these loans include adjustments for changes in loan characteristics using unobservable inputs, the loans would be classified within Level 3.

Collateral Dependent Impaired Loans and Leases. Impaired loans and leases for which repayment is expected to be provided solely by the value of the underlying collateral are considered collateral dependent and are valued based on the estimated fair value of such collateral using customized discounting criteria. As such, collateral dependent impaired loans and leases are classified as Level 3 of the fair value hierarchy.

Other Real Estate Owned and Repossessed Assets. The total book value of OREO and repossessed assets was $4.0 million at June 30, 2017. OREO and repossessed assets are accounted for at the lower of cost or market and are considered to be recognized at fair value when they are recorded at below cost. The fair value of OREO is based on independent appraisals or internal valuation methods, less estimated selling costs. The valuation may consider available pricing guides, auction results, and price opinions. Certain assets require assumptions about factors that are not observable in an active market in the determination of fair value; as such, OREO and repossessed assets are classified within Level 3 of the fair value hierarchy.

The table below presents the valuation methodology and unobservable inputs for Level 3 assets measured at fair value on a non-recurring basis as of June 30, 2017:

(Dollars in thousands)
Asset	Fair Value		Valuation Methodology	Unobservable Inputs	Range of Inputs
Collateral dependent impaired loans and leases	$	18,724	Real Estate Appraisals	Discount for appraisal type	0%	-	30%
				Discount for costs to sell	8%	-	15%
OREO	$	757	Real Estate Appraisals	Discount for appraisal type	0%	-	20%
				Discount for costs to sell	8%

Fair Value of Financial Instruments and Servicing Assets

The Company is required to disclose the estimated fair value of financial instruments, both assets and liabilities, for which it is practicable to estimate fair value. The following is a description of valuation methodologies used for those assets and liabilities.

Cash, Due from Banks, and Interest-bearing Deposits. The carrying amount of cash, due from banks, and interest-bearing deposits is used to approximate fair value, given the short time frame to maturity and, as such, these assets do not present unanticipated credit concerns. Cash, due from banks, and interest-bearing deposits are classified within Level 1 of the fair value hierarchy.

Held-to-Maturity Investment Securities. When quoted market prices are not available, the Company employs an independent pricing service that utilizes matrix pricing to calculate fair value. Such fair value measurements consider observable data such as dealer quotes, market spreads, cash flows, yield curves, live trading levels, trade execution data, market consensus prepayments speeds, credit information, and respective terms and conditions for debt instruments. Management maintains procedures to monitor the pricing service's assumptions and establishes processes to challenge the pricing service's valuations that appear unusual or unexpected. Held-to-Maturity investment securities, which include Agency CMO, Agency MBS, Agency CMBS, CMBS, municipal bonds and notes, and private label MBS securities, are classified within Level 2 of the fair value hierarchy.

Loans and Leases, net. The estimated fair value of loans and leases held for investment is calculated using a discounted cash flow method, using future prepayments and market interest rates inclusive of an illiquidity premium for comparable loans and leases. The associated cash flows are adjusted for credit and other potential losses. Fair value for impaired loans and leases is estimated using the net present value of the expected cash flows. Loans and leases are classified within Level 3 of the fair value hierarchy.

Deposit Liabilities. The fair value of demand deposits, savings accounts, and certain money market deposits is the amount payable on demand at the reporting date. Deposit liabilities are classified within Level 2 of the fair value hierarchy.

Time Deposits. The fair value of a fixed-maturity certificate of deposit is estimated using the rates currently offered for deposits of similar remaining maturities. Time deposits are classified within Level 2 of the fair value hierarchy.

Securities Sold Under Agreements to Repurchase and Other Borrowings. The carrying value is an estimate of fair value for those securities sold under agreements to repurchase and other borrowings that mature within 90 days. The fair values of all other borrowings are estimated using discounted cash flow analysis based on current market rates adjusted, as appropriate, for associated credit risks. Securities sold under agreements to repurchase and other borrowings are classified within Level 2 of the fair value hierarchy.

Federal Home Loan Bank Advances and Long-Term Debt. The fair value of FHLB advances and long-term debt is estimated using a discounted cash flow technique. Discount rates are matched with the time period of the expected cash flow and are adjusted, as appropriate, to reflect credit risk. FHLB advances and long-term debt are classified within Level 2 of the fair value hierarchy.

Mortgage Servicing Assets. Mortgage servicing assets are accounted for at cost, subject to impairment testing. Mortgage servicing assets are considered to be recognized at fair value when they are recorded at below cost. Changes in fair value are included as a component of other non-interest income in the accompanying Condensed Consolidated Statements of Income. Fair value is calculated as the present value of estimated future net servicing income and relies on market based assumptions for loan prepayment speeds, servicing costs, discount rates, and other economic factors; as such, the primary risk inherent in valuing mortgage servicing assets is the impact of fluctuating interest rates on the servicing revenue stream. Mortgage servicing assets are classified within Level 3 of the fair value hierarchy.

The estimated fair values of selected financial instruments and servicing assets are as follows:

	At June 30, 2017				At December 31, 2016
(In thousands)	Carrying Amount		Fair Value		Carrying Amount		Fair Value
Assets:
Level 2
Held-to-maturity investment securities	$	4,219,198	$	4,197,378	$	4,160,658	$	4,125,125
Transferred loans held for sale	—		—		7,317		7,444
Level 3
Loans and leases, net	17,074,100		16,928,626		16,832,268		16,678,106
Mortgage servicing assets	24,708		44,406		24,466		52,075
Alternative investments	9,882		11,644		11,034		13,189
Liabilities:
Level 2
Deposit liabilities	$	18,362,556	$	18,362,556	$	17,279,049	$	17,279,049
Time deposits	2,095,541		2,092,851		2,024,808		2,024,395
Securities sold under agreements to repurchase and other borrowings	872,692		876,289		949,526		955,660
FHLB advances (1)	1,767,757		1,774,605		2,842,908		2,825,101
Long-term debt (1)	225,640		240,959		225,514		225,514

(1) The following adjustments to the carrying amount are not included for determination of fair value, see Note 8: Borrowings:

•FHLB advances - unamortized premiums on advances

•Long-term debt - unamortized discount and debt issuance cost on senior fixed-rate notes

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Retirement Benefit Plans

6 Months Ended

Jun. 30, 2017

Retirement Benefits [Abstract]

Retirement Benefit Plans

Retirement Benefit Plans

Defined benefit pension and other postretirement benefits

The following table summarizes the components of net periodic benefit cost:

	Three months ended June 30,
	2017							2016
(In thousands)	Pension Plan			SERP		Other Benefits		Pension Plan			SERP		Other Benefits
Service cost	$	13		$	—	$	—	$	11		$	—	$	—
Interest cost on benefit obligations	1,844			93		25		2,123			97		31
Expected return on plan assets	(3,075		)	—		—		(2,964		)	—		—
Amortization of prior service cost	—			—		—		—			—		3
Recognized net loss	1,515			212		7		1,642			83		9
Net periodic benefit cost	$	297		$	305	$	32	$	812		$	180	$	43

	Six months ended June 30,
	2017							2016
(In thousands)	Pension Plan			SERP		Other Benefits		Pension Plan			SERP		Other Benefits
Service cost	$	25		$	—	$	—	$	23		$	—	$	—
Interest cost on benefit obligations	3,657			185		50		4,221			194		62
Expected return on plan assets	(6,148		)	—		—		(5,529		)	—		—
Amortization of prior service cost	—			—		—		—			—		7
Recognized net loss	2,932			425		15		3,332			213		18
Net periodic benefit cost	$	466		$	610	$	65	$	2,047		$	407	$	87

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Share-Based Plans

6 Months Ended

Jun. 30, 2017

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Share-Based Plans

Share-Based Plans

Stock compensation plans

Webster maintains stock compensation plans under which non-qualified stock options, incentive stock options, restricted stock, restricted stock units, or stock appreciation rights may be granted to employees and directors. The Company believes these share awards better align the interests of its employees with those of its shareholders. Stock compensation cost is recognized over the required service vesting period for the awards, based on the grant-date fair value, net of estimated forfeitures, and is included as a component of compensation and benefits reflected in non-interest expense.

The following table provides a summary of stock compensation expense recognized in the accompanying Condensed Consolidated Statements of Income:

	Three months ended June 30,				Six months ended June 30,
(In thousands)	2017		2016		2017		2016
Stock options	$	—	$	—	$	—	$	43
Restricted stock	2,725		2,831		6,043		5,571
Total stock compensation expense	$	2,725	$	2,831	$	6,043	$	5,614

At June 30, 2017 there was $19.0 million of unrecognized stock compensation expense for restricted stock expected to be recognized over a weighted-average period of 2.1 years.

The following table provides a summary of the stock compensation plans activity for the six months ended June 30, 2017:

	Restricted Stock Awards Outstanding									Stock Options Outstanding
	Time-Based						Performance-Based
	Number of Shares	Weighted-Average Grant Date Fair Value		Number of Units	Weighted-Average Grant Date Fair Value		Number of Shares	Weighted-Average Grant Date Fair Value		Number  of Shares	Weighted-Average Exercise Price
Outstanding, at January 1, 2017	253,361	$	32.24	2,158	$	32.89	116,184	$	33.62	1,072,974	$	21.24
Granted	148,479	55.53		8,129	56.07		89,581	56.18		—	—
Exercised options	—	—		—	—		—	—		232,416	27.97
Vested restricted stock awards (1)	106,532	35.26		4,867	45.79		61,563	39.23		—	—
Forfeited	12,344	37.16		—	—		6,276	42.72		—	—
Outstanding and exercisable, at June 30, 2017	282,964	$	41.53	5,420	$	56.07	137,926	$	45.42	840,558	$	19.38

(1) Vested for purposes of recording compensation expense.

Time-based restricted stock. Time-based restricted stock awards vest over the applicable service period ranging from 1 to 5 years. The number of time-based awards that may be granted to an eligible individual in a calendar year is limited to 100,000 shares. Compensation expense is recorded over the vesting period based on a fair value, which is measured using the Company's common stock closing price at the date of grant.

Performance-based restricted stock. Performance-based restricted stock awards vest after a 3 year performance period. The awards vest with a share quantity dependent on that performance, in a range from 0 to 150%. The performance criteria for 50% of the shares granted in 2017 is based upon Webster's ranking for total shareholder return versus Webster's compensation peer group companies and the remaining 50% is based upon Webster's average of return on equity during the three year vesting period. The compensation peer group companies are utilized because they represent the financial institutions that best compare with Webster. The Company records compensation expense over the vesting period, based on a fair value calculated using the Monte-Carlo simulation model, which allows for the incorporation of the performance condition for the 50% of the performance-based shares tied to total shareholder return versus the compensation peer group, and based on a fair value of the market price on the date of grant for the remaining 50% of the performance-based shares tied to Webster's return on equity. Compensation expense is subject to adjustment based on management's assessment of Webster's return on equity performance relative to the target number of shares condition.

Stock options. Stock option awards have an exercise price equal to the market price of Webster Financial Corporation's stock on the date of grant. Each option grants the holder the right to acquire a share of Webster Financial Corporation common stock over a contractual life of up to 10 years. All awarded options have vested. There were 765,769 non-qualified stock options and 74,789 incentive stock options outstanding at June 30, 2017.

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Segment Reporting

6 Months Ended

Jun. 30, 2017

Segment Reporting [Abstract]

Segment Reporting

Segment Reporting

Webster’s operations are organized into three reportable segments that represent its primary businesses - Commercial Banking, Community Banking and HSA Bank. These three segments reflect how executive management responsibilities are assigned, the primary businesses, the products and services provided, the type of customer served, and how discrete financial information is currently evaluated. The Corporate Treasury Unit of the Company is included in the Corporate and Reconciling category along with the amounts required to reconcile profitability metrics to amounts reported in accordance with GAAP.

Description of Segment Reporting Methodology

Webster’s reportable segment results are intended to reflect each segment as if it were a stand-alone business. Webster uses an internal profitability reporting system to generate information by operating segment, which is based on a series of management estimates and allocations regarding funds transfer pricing, provision for loan and lease losses, non-interest expense, income taxes, and equity capital. These estimates and allocations, certain of which are subjective in nature, are periodically reviewed and refined. Changes in estimates and allocations that affect the reported results of any operating segment do not affect the consolidated financial position or results of operations of Webster as a whole. The full profitability measurement reports, which are prepared for each operating segment, reflect non-GAAP reporting methodologies. The differences between full profitability and GAAP results are reconciled in the Corporate and Reconciling category.

Webster allocates interest income and interest expense to each business, while also transferring the primary interest rate risk exposures to the Corporate and Reconciling category, using a matched maturity funding concept called Funds Transfer Pricing. The allocation process considers the specific interest rate risk and liquidity risk of financial instruments and other assets and liabilities in each line of business. The matched maturity funding concept considers the origination date and the earlier of the maturity date or the repricing date of a financial instrument to assign an FTP rate for loans and deposits originated each day. Loans are assigned an FTP rate for funds used and deposits are assigned an FTP rate for funds provided. This process is executed by the Company’s Financial Planning and Analysis division and is overseen by ALCO.

Webster allocates the provision for loan and lease losses to each segment based on management’s estimate of the inherent loss content in each of the specific loan and lease portfolios. Provision expense for certain elements of risk that are not deemed specifically attributable to a reportable segment, such as the provision for the consumer liquidating portfolio, is shown as part of the Corporate and Reconciling category.

Webster allocates a majority of non-interest expense to each reportable segment using a full-absorption costing process. Costs, including corporate overhead, are analyzed, pooled by process, and assigned to the appropriate reportable segment. Income tax expense is allocated to each reportable segment based on the consolidated effective income tax rate for the period shown.

Segment Reporting Modifications

The 2016 segment results have been adjusted for comparability to the 2017 segment presentation for the following changes.

To further strengthen Webster's ability to deliver the totality of its products and services to the owners and executives of commercial clients and other high net worth individuals, an organizational change was made during the second quarter of 2017. Effective April 1, 2017, the head of Private Banking reports directly to the head of Commercial Banking. The current organizational structure reflects how executive management responsibilities are assigned and reviewed. As a result of this change, the Private Banking and Commercial Banking operating segments are aggregated into one reportable segment, Commercial Banking.

In late 2007 Webster discontinued its indirect residential construction lending and its indirect home equity lending outside of its primary New England market area referred to as National Wholesale Lending. Webster placed these two portfolios into a liquidating loan portfolio included within the Corporate and Reconciling category. The balance of the home equity liquidating loan portfolio was $65.0 million at December 31, 2016. As the remainder of this portfolio has been performing in the same manner as the continuing home equity portfolio, management has decided to combine the liquidating loan portfolio with the continuing home equity loan portfolio. The combined portfolio is included in the Community Banking reportable segment.

The following table presents total assets for Webster's reportable segments and the Corporate and Reconciling category:

	Total Assets
(In thousands)	Commercial Banking		Community Banking		HSA Bank		Corporate and Reconciling		Consolidated Total
At June 30, 2017	$	9,433,770	$	8,802,060	$	78,569	$	7,860,531	$	26,174,930
At December 31, 2016	9,069,445		8,721,046		83,987		8,198,051		26,072,529

The following tables present the operating results, including all appropriate allocations, for Webster’s reportable segments and the Corporate and Reconciling category:

	Three months ended June 30, 2017
(In thousands)	Commercial Banking		Community Banking			HSA Bank		Corporate and Reconciling			Consolidated Total
Net interest income (expense)	$	78,946	$	95,902		$	25,574	$	(2,635	)	$	197,787
Provision (benefit) for loan and lease losses	10,692		(3,442		)	—		—			7,250
Net interest income (expense) after provision for loan and lease losses	68,254		99,344			25,574		(2,635		)	190,537
Non-interest income	12,532		28,058			19,750		4,211			64,551
Non-interest expense	37,304		94,322			28,750		4,043			164,419
Income (loss) before income tax expense	43,482		33,080			16,574		(2,467		)	90,669
Income tax expense (benefit)	14,158		10,353			5,323		(744		)	29,090
Net income (loss)	$	29,324	$	22,727		$	11,251	$	(1,723	)	$	61,579

	Three months ended June 30, 2016
(In thousands)	Commercial Banking		Community Banking		HSA Bank		Corporate and Reconciling			Consolidated Total
Net interest income (expense)	$	68,862	$	91,620	$	20,005	$	(3,582	)	$	176,905
Provision for loan and lease losses	11,612		2,388		—		—			14,000
Net interest income (expense) after provision for loan and lease losses	57,250		89,232		20,005		(3,582		)	162,905
Non-interest income	14,755		27,468		18,114		4,738			65,075
Non-interest expense	33,483		91,526		24,688		3,081			152,778
Income (loss) before income tax expense	38,522		25,174		13,431		(1,925		)	75,202
Income tax expense (benefit)	12,603		8,617		4,384		(1,005		)	24,599
Net income (loss)	$	25,919	$	16,557	$	9,047	$	(920	)	$	50,603

	Six months ended June 30, 2017
(In thousands)	Commercial Banking		Community Banking		HSA Bank		Corporate and Reconciling			Consolidated Total
Net interest income (expense)	$	157,193	$	189,492	$	49,626	$	(5,860	)	$	390,451
Provision for loan and lease losses	17,489		261		—		—			17,750
Net interest income (expense) after provision for loan and lease losses	139,704		189,231		49,626		(5,860		)	372,701
Non-interest income	25,956		53,437		39,021		9,179			127,593
Non-interest expense	75,428		189,501		56,989		6,285			328,203
Income (loss) before income tax expense	90,232		53,167		31,658		(2,966		)	172,091
Income tax expense (benefit)	26,762		15,769		9,389		(879		)	51,041
Net income (loss)	$	63,470	$	37,398	$	22,269	$	(2,087	)	$	121,050

	Six months ended June 30, 2016
(In thousands)	Commercial Banking		Community Banking		HSA Bank		Corporate and Reconciling			Consolidated Total
Net interest income (expense)	$	137,157	$	182,191	$	39,924	$	(6,215	)	$	353,057
Provision for loan and lease losses	21,889		7,711		—		—			29,600
Net interest income (expense) after provision for loan and lease losses	115,268		174,480		39,924		(6,215		)	323,457
Non-interest income	25,903		54,118		38,069		9,359			127,449
Non-interest expense	67,543		183,537		48,945		5,198			305,223
Income (loss) before income tax expense	73,628		45,061		29,048		(2,054		)	145,683
Income tax expense (benefit)	24,276		14,857		9,577		(677		)	48,033
Net income (loss)	$	49,352	$	30,204	$	19,471	$	(1,377	)	$	97,650

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Commitments and Contingencies

6 Months Ended

Jun. 30, 2017

Commitments and Contingencies Disclosure [Abstract]

Commitments and Contingencies

Commitments and Contingencies

Credit-Related Financial Instruments

The Company offers credit-related financial instruments in the normal course of business to meet certain financing needs of its customers, that involve off-balance sheet risk. These transactions may include an unused commitment to extend credit, standby letter of credit, or commercial letter of credit. Such transactions involve, to varying degrees, elements of credit risk.

The following table summarizes the outstanding amounts of credit-related financial instruments with off-balance sheet risk:

(In thousands)	At June 30, 2017		At December 31, 2016
Commitments to extend credit	$	5,211,813	$	5,224,280
Standby letter of credit	138,536		128,985
Commercial letter of credit	40,678		46,497
Total credit-related financial instruments with off-balance sheet risk	$	5,391,027	$	5,399,762

Commitments to Extend Credit. The Company makes commitments under various terms to lend funds to customers at a future point in time. These commitments include revolving credit arrangements, term loan commitments, and short-term borrowing agreements. Most of these loans have fixed expiration dates or other termination clauses where a fee may be required. Since commitments routinely expire without being funded, or after required availability of collateral occurs, the total commitment amount does not necessarily represent future liquidity requirements.

Standby Letter of Credit. A standby letter of credit commits the Company to make payments on behalf of customers if certain specified future events occur. The Company has recourse against the customer for any amount required to be paid to a third party under a standby letter of credit, which is often part of a larger credit agreement under which security is provided. Historically, a large percentage of standby letters of credit expire without being funded. The contractual amount of a standby letter of credit represents the maximum amount of potential future payments the Company could be required to make, and is the Company's maximum credit risk.

Commercial Letter of Credit. A commercial letter of credit is issued to facilitate either domestic or foreign trade arrangements for customers. As a general rule, drafts are committed to be drawn when the goods underlying the transaction are in transit. Similar to a standby letter of credit, a commercial letter of credit is often secured by an underlying security agreement including the assets or inventory to which they relate.

These commitments subject the Company to potential exposure in excess of the amounts recorded in the financial statements, and therefore, management maintains a specific reserve for unfunded credit commitments. This reserve is reported as a component of accrued expenses and other liabilities in the accompanying Condensed Consolidated Balance Sheets.

The following table provides a summary of activity in the reserve for unfunded credit commitments:

	Three months ended June 30,					Six months ended June 30,
(In thousands)	2017			2016		2017		2016
Beginning balance	$	2,655		$	2,126	$	2,287	$	2,119
(Benefit) provision charged to expense	(111		)	193		257		200
Ending balance	$	2,544		$	2,319	$	2,544	$	2,319

Litigation

Webster is involved in routine legal proceedings occurring in the ordinary course of business and is subject to loss contingencies related to such litigation and claims arising therefrom. Webster evaluates these contingencies based on information currently available, including advice of counsel and assessment of available insurance coverage. Webster establishes an accrual for litigation and claims when a loss contingency is considered probable and the related amount is reasonably estimable. This accrual is periodically reviewed and may be adjusted as circumstances change. Webster also estimates certain loss contingencies for possible litigation and claims, whether or not there is an accrued probable loss. Webster believes it has defenses to all the claims asserted against it in existing litigation matters and intends to defend itself in all matters.

Based upon its current knowledge, after consultation with counsel and after taking into consideration its current litigation accrual, Webster believes that at June 30, 2017 any reasonably possible losses, in addition to amounts accrued, are not material to Webster’s consolidated financial condition. However, in light of the uncertainties involved in such actions and proceedings, there is no assurance that the ultimate resolution of these matters will not significantly exceed the amounts currently accrued by Webster or that the Company’s litigation accrual will not need to be adjusted in future periods. Such an outcome could be material to the Company’s operating results in a particular period, depending on, among other factors, the size of the loss or liability imposed and the level of the Company’s income for that period.

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Summary of Significant Accounting Policies (Policies)

6 Months Ended

Jun. 30, 2017

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Basis of Presentation

Basis of Presentation

The accounting and reporting policies of the Company that materially affect its financial statements conform with GAAP. The accompanying unaudited Condensed Consolidated Financial Statements of the Company have been prepared in conformity with the instructions for Form 10-Q and Rule 10-01 of Regulation S-X. Accordingly, they do not include all the information and notes required by GAAP for complete financial statements and should be read in conjunction with the Company's Consolidated Financial Statements, and Notes thereto, for the year ended December 31, 2016, included in the Company's Annual Report on Form 10-K filed with the SEC on March 1, 2017.

The preparation of financial statements in accordance with GAAP requires management to make estimates and assumptions that affect the amounts of assets and liabilities as of the date of the financial statements as well as income and expense during the period. Actual results could differ from those estimates. Operating results for the interim periods disclosed herein are not necessarily indicative of the results that may be expected for the full year or any future period.

Reclassification

Certain prior period amounts have been reclassified to conform to the current year's presentation. These reclassifications had an immaterial effect on total assets, total liabilities and shareholders' equity, non-interest income, non-interest expense, net cash provided by operating activities, and net cash used for investing activities.

Derivatives, Reporting of Derivative Activity [Policy Text Block]

Centrally Cleared Derivatives

Effective during the first quarter of 2016, the Company offset the variation margin pertaining to derivatives reported on a net basis, subject to a legally enforceable master netting arrangement, with the same counterparty against the net derivative position on the Company's balance sheets. The Chicago Mercantile Exchange has amended their rulebooks to legally characterize variation margin payments for over-the-counter derivatives that clear, as settlements rather than collateral, effective January 3, 2017.

The Company has updated its significant accounting policies to classify variation margin deemed to be legal settlements as a single unit of account with the derivative, for accounting and presentation purposes. The policy update does not result in a change in the presentation of the Company's balance sheets as the Company previously offset the variation margin pertaining to derivatives reporting on a net basis, subject to a legally enforceable master netting arrangement, with the same counterparty against the net derivative position.

New Accounting Pronouncements, Policy [Policy Text Block]

Accounting Standards Adopted during 2017

Effective January 1, 2017, the following new accounting guidance was adopted by the Company:

ASU No. 2016-09, Compensation - Stock Compensation (Topic 718) - Improvements to Employee Share Based Payment Accounting

The Update impacted the accounting for employee share-based payment transactions, including the income tax consequences, and classification on the statement of cash flows. The Update requires the Company to recognize the income tax effects of awards in the income statement on a prospective basis when the awards vest or are settled, compared to within additional paid-in capital. As a result, applicable excess tax benefits and tax deficiencies are recorded as an income tax benefit or expense, respectively. The Company elected to present the classification on the statement of cash flows on a prospective basis to better align this presentation with the income tax effects.

The impact of the Update will vary from period to period based on the Company's stock price and the quantity of shares that vest or are settled within a given period.

The Update also requires the Company to elect the accounting for forfeitures of share-based payments by either (i) recognizing forfeitures of awards as they occur or (ii) estimating the number of awards expected to be forfeited and adjusting the estimate when it is likely to change, as is currently required. The Company elected to account for forfeitures of share-based payments by estimating the number of awards expected to be forfeited and adjusting the estimate when it is likely to change, which is in accordance with the Company's previous accounting practices.

The adoption of this accounting standard did not have a material impact on the Company's financial statements.

ASU No. 2016-06, Derivatives and Hedging (Topic 815) - Contingent Put and Call Options in Debt Instruments.

The Update clarifies the requirements for assessing whether contingent call (put) options that can accelerate the payment of principal on debt instruments are clearly and closely related to their debt hosts. The Update requires the assessment of embedded call (put) options solely in accordance with the four-step decision sequence. The Update clarified that Companies are not required to assess whether the event triggering the ability to exercise the call/put option was also clearly and closely related.

The adoption of this accounting standard did not have a material impact on the Company's financial statements, as the Company has not performed the additional step of assessing whether the event triggering the ability to exercise the call/put option was clearly and closely related, which was deemed not required by the Update.

Accounting Standards Issued but not yet Adopted

The following list identifies ASUs applicable to the Company that have been issued by the FASB but are not yet effective:

ASU No. 2017-08, Receivables - Nonrefundable Fees and Other Costs (Subtopic 310-20) Premium Amortization on Purchased Callable Debt Securities.

The Update is intended to enhance the accounting for the amortization of premiums for purchased callable debt securities. Specifically, the Update shortens the amortization period for certain investments in callable debt securities purchased at a premium by requiring that the premium be amortized to the earliest call date. The Update is being issued in response to concerns from stakeholders that, current GAAP excludes certain callable debt securities from consideration of early repayment of principal even if the holder is certain that the call will be exercised.

The Update, upon adoption, is expected to accelerate the Company’s recognition of premium amortization on debt securities held within the portfolio. The amendments in the Update will be applied on a modified retrospective basis through a cumulative-effect adjustment directly through retained earnings upon adoption.

Management is in the process of evaluating the full impact of adopting the Update including, but not limited to the following:

• Modifying system amortization requirements;

• Evaluation of premiums associated with debt securities to determine the appropriate cumulative-effect adjustment; and

• Establishing new accounting policies pertaining to premium amortization on purchased callable debt securities.

The Update is effective for the first quarter of 2019, early adoption is permitted. The Company is evaluating the potential to early adopt the Update.

ASU No. 2017-7, Compensation - Retirement Benefits (Topic 715) - Improving the Presentation of Net Periodic Pension Cost and Net Periodic Postretirement Benefit Cost.

The Update requires the Company to disaggregate the current-service-cost component from the other components of net benefit cost (the “other components”) and present it with other current compensation costs for related employees in the income statement and present the other components elsewhere in the income statement and outside of income from operations if that subtotal is presented. In addition, the Update requires entities to disclose the income statement lines that contain the other components if they are not presented on appropriately described separate lines.

The new guidance will be applied on a retrospective basis. The Company intends to adopt the Update for the first quarter of 2018. Adoption is not anticipated to have a material impact on the Company's financial statements.

ASU No. 2017-04, Intangibles - Goodwill and Other (Topic 350) - Simplifying the Test for Goodwill Impairment.

The Update eliminates Step 2 from the goodwill impairment analysis. Step 2, requires the Company to perform procedures to determine the fair value at the impairment testing date of its assets and liabilities (including unrecognized assets and liabilities). Under current guidance, Step 2 testing would be performed only if Step 1 testing indicated the fair value of the reporting unit is below the reporting unit’s carrying amount.

Once effective the Update will require the Company to record an impairment charge for the amount by which the carrying amount exceeds the reporting unit’s fair value, eliminating the Step 2 requirements. The Company intends to adopt the Update for the first quarter of 2020. Adoption is not anticipated to have a material impact on the Company's financial statements.

ASU No. 2016-16, Statement of Cash Flows (Topic 230) - Classification of Certain Cash Receipts and Cash Payments.

The Update addresses eight specific cash flow issues with the objective of reducing the existing diversity in practice. The Update addresses the following eight issues: Debt prepayment or debt extinguishment costs; settlement of zero-coupon debt instruments or other debt instruments with coupon interest rates that are insignificant in relation to the effective interest rate of the borrowing; contingent consideration payments made after a business combination; proceeds from the settlement of insurance claims; proceeds from the settlement of corporate-owned life insurance policies, including bank-owned life insurance policies; distributions received from equity method investees; beneficial interests in securitization transactions; and separately identifiable cash flows and application of the predominance principle.

The Company intends to adopt the Update for the first quarter of 2019. Adoption is not anticipated to have a material impact on the Company's financial statements.

ASU No. 2016-13, Financial Instruments - Credit Losses (Topic 326) - Measurement of Credit Losses on Financial Instruments.

Current GAAP requires an "incurred loss" methodology for recognizing credit losses that delays recognition until it is probable a loss has been incurred. Both financial institutions and users of their financial statements expressed concern that current GAAP restricts the ability to record credit losses that are expected, but do not yet meet the "probable" threshold.

The main objective of this Update is to provide financial statement users with more decision-useful information about the expected credit losses on financial instruments and other commitments to extend credit held by a reporting entity at each reporting date. To achieve this objective, the amendments in this Update replace the incurred loss impairment methodology in current GAAP with a methodology that reflects expected credit losses and requires consideration of a broader range of reasonable and supportable information to determine credit loss estimates.

The Change from an "incurred loss" method to an "expected loss" method represents a fundamental shift from existing GAAP, and may result in material changes to the Company's accounting for credit losses on financial instruments. The Company has established a project lead and identified a working group comprised of members from different disciplines including Credit, Finance and Information Technology. The Company is in the early stages of evaluation of the effect that this ASU will have on its financial statements and related disclosures, but has begun to develop a roadmap which includes a consideration of external resources that may be required, use of existing and new models, data availability and system solutions to facilitate implementation. The ASU will be effective for the Company as of January 1, 2020.

ASU No. 2016-02, Leases (Topic 842).

The Update introduces a lessee model that brings most leases on the balance sheet. The Update also aligns certain of the underlying principles of the new lessor model with those in ASC 606 "Revenue from Contracts with Customers", the FASB’s new revenue recognition standard (e.g., evaluating how collectability should be considered and determining when profit can be recognized).

Furthermore, the Update addresses other concerns including the elimination of the required use of bright-line tests for determining lease classification. Lessors are required to provide additional transparency into the exposure to the changes in value of their residual assets and how they manage that exposure.

The Company intends to adopt the Update for the first quarter of 2019 using the modified retrospective method. The Company is in the early assessment stage and will continue to review the existing lease portfolio to evaluate the impact of the new accounting guidance on the financial statements.

ASU No. 2016-01, Financial Instruments - Overall (Subtopic 825-10) - Recognition and Measurement of Financial Assets and Financial Liabilities.

Equity investments not accounted for under the equity method or those that do not result in consolidation of the investee are to be measured at fair value with changes in the fair value recognized through net income. Entities are to present separately in other comprehensive income, the portion of the total change in the fair value of a liability resulting from a change in the instrument-specific credit risk when an election to measure the liability at fair value in accordance with the fair value option for financial instruments has been made. Also, the requirement to disclose the method(s) and significant assumptions used to estimate the fair value for financial instruments measured at amortized cost on the balance sheet has been eliminated.

The Company intends to adopt the Update for the first quarter of 2018 and is in the process of assessing the impact of the new accounting guidance on the financial statements.

ASU No. 2014-09, Revenue from Contracts with Customers (Topic 606) and ASU No. 2015-14, Revenue from Contracts with Customers (Topic 606).

The Update requires an entity to recognize the amount of revenue to which it expects to be entitled for the transfer of promised goods or services to customers. The Update excludes revenue associated with net interest income as well as many other revenues for financial assets and liabilities including loans and leases, securities, and derivatives. As a result the majority of the Company's revenue will not be affected.

The Company continues to evaluate customer contracts within the scope of the new guidance and assess the related revenues to determine if any accounting or internal control changes will be required for the updated guidance. The Company's deposit service fees, wealth and investment services, and certain other income items are within the scope of the Update. While the assessment is not complete, the timing of the Company's revenue recognition is not expected to materially change.

The Company continues to evaluate the effect that the guidance will have on other revenue streams within its scope, as well as changes in disclosures required by the new guidance. The Company intends to adopt the Update for the first quarter of 2018 utilizing the modified retrospective application with a cumulative affect adjustment to opening retained earnings.

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Investment Securities (Tables)

6 Months Ended

Jun. 30, 2017

Investments, Debt and Equity Securities [Abstract]

Summary of Investment Securities

A summary of the amortized cost and fair value of investment securities is presented below:

	At June 30, 2017									At December 31, 2016
(In thousands)	Amortized Cost		Unrealized Gains		Unrealized Losses			Fair Value		Amortized Cost		Unrealized Gains		Unrealized Losses			Fair Value
Available-for-sale:
U.S. Treasury Bills	$	3,843	$	—	$	—		$	3,843	$	734	$	—	$	—		$	734
Agency CMO	359,075		3,064		(3,123		)	359,016		419,865		3,344		(3,503		)	419,706
Agency MBS	888,810		3,764		(16,884		)	875,690		969,460		4,398		(19,509		)	954,349
Agency CMBS	602,446		—		(15,344		)	587,102		587,776		63		(14,567		)	573,272
CMBS	477,932		2,202		(226		)	479,908		473,974		4,093		(702		)	477,365
CLO	361,323		2,026		(224		)	363,125		425,083		2,826		(519		)	427,390
Trust preferred	30,434		891		(123		)	31,202		30,381		—		(1,748		)	28,633
Corporate debt	107,228		906		(54		)	108,080		108,490		1,502		(350		)	109,642
Available-for-sale	$	2,831,091	$	12,853	$	(35,978	)	$	2,807,966	$	3,015,763	$	16,226	$	(40,898	)	$	2,991,091
Held-to-maturity:
Agency CMO	$	297,649	$	1,381	$	(3,170	)	$	295,860	$	339,455	$	1,977	$	(3,824	)	$	337,608
Agency MBS	2,324,270		23,383		(35,115		)	2,312,538		2,317,449		26,388		(41,768		)	2,302,069
Agency CMBS	642,676		309		(2,727		)	640,258		547,726		694		(1,348		)	547,072
Municipal bonds and notes	688,913		5,111		(14,605		)	679,419		655,813		4,389		(25,749		)	634,453
CMBS	265,086		3,862		(252		)	268,696		298,538		4,107		(411		)	302,234
Private Label MBS	604		3		—			607		1,677		12		—			1,689
Held-to-maturity	$	4,219,198	$	34,049	$	(55,869	)	$	4,197,378	$	4,160,658	$	37,567	$	(73,100	)	$	4,125,125

Summary of Changes in OTTI

The following table presents the changes in OTTI:

	Three months ended June 30,					Six months ended June 30,
(In thousands)	2017			2016		2017			2016
Beginning balance	$	3,231		$	3,437	$	3,243		$	3,288
Reduction for investment securities sold or called	(126		)	—		(138		)	—
Additions for OTTI not previously recognized in earnings	126			—		126			149
Ending balance	$	3,231		$	3,437	$	3,231		$	3,437

Summary of Gross Unrealized Losses not Considered OTTI

The following tables provide information on fair value and unrealized losses for the individual investment securities with an unrealized loss, aggregated by classification and length of time that the individual investment securities have been in a continuous unrealized loss position:

	At June 30, 2017
	Less Than Twelve Months					Twelve Months or Longer					Total
(Dollars in thousands)	Fair Value		Unrealized Losses			Fair Value		Unrealized Losses			# of Holdings	Fair Value		Unrealized Losses
Available-for-sale:
Agency CMO	$	90,691	$	(1,941	)	$	60,635	$	(1,182	)	16	$	151,326	$	(3,123	)
Agency MBS	463,242		(8,396		)	250,375		(8,488		)	101	713,617		(16,884		)
Agency CMBS	582,194		(15,154		)	4,908		(190		)	34	587,102		(15,344		)
CMBS	43,970		(30		)	19,804		(196		)	6	63,774		(226		)
CLO	58,674		(203		)	16,263		(21		)	4	74,937		(224		)
Trust preferred	5,527		(53		)	4,606		(70		)	2	10,133		(123		)
Corporate debt	5,851		(30		)	1,841		(24		)	2	7,692		(54		)
Available-for-sale in an unrealized loss position	$	1,250,149	$	(25,807	)	$	358,432	$	(10,171	)	165	$	1,608,581	$	(35,978	)
Held-to-maturity:
Agency CMO	$	98,593	$	(2,288	)	$	51,844	$	(882	)	15	$	150,437	$	(3,170	)
Agency MBS	1,315,939		(27,429		)	252,535		(7,686		)	149	1,568,474		(35,115		)
Agency CMBS	493,652		(2,727		)	—		—			39	493,652		(2,727		)
Municipal bonds and notes	314,543		(12,295		)	30,956		(2,310		)	148	345,499		(14,605		)
CMBS	38,756		(252		)	—		—			7	38,756		(252		)
Held-to-maturity in an unrealized loss position	$	2,261,483	$	(44,991	)	$	335,335	$	(10,878	)	358	$	2,596,818	$	(55,869	)

	At December 31, 2016
	Less Than Twelve Months					Twelve Months or Longer					Total
(Dollars in thousands)	Fair Value		Unrealized Losses			Fair Value		Unrealized Losses			# of Holdings	Fair Value		Unrealized Losses
Available-for-sale:
Agency CMO	$	107,853	$	(2,168	)	$	67,351	$	(1,335	)	15	$	175,204	$	(3,503	)
Agency MBS	512,075		(10,503		)	252,779		(9,006		)	97	764,854		(19,509		)
Agency CMBS	554,246		(14,567		)	—		—			32	554,246		(14,567		)
CMBS	12,427		(24		)	63,930		(678		)	12	76,357		(702		)
CLO	49,946		(54		)	50,237		(465		)	5	100,183		(519		)
Trust preferred	—		—			28,633		(1,748		)	5	28,633		(1,748		)
Corporate debt	—		—			7,384		(350		)	2	7,384		(350		)
Available-for-sale in an unrealized loss position	$	1,236,547	$	(27,316	)	$	470,314	$	(13,582	)	168	$	1,706,861	$	(40,898	)
Held-to-maturity:
Agency CMO	$	163,439	$	(3,339	)	$	17,254	$	(485	)	16	$	180,693	$	(3,824	)
Agency MBS	1,394,623		(32,942		)	273,779		(8,826		)	150	1,668,402		(41,768		)
Agency CMBS	347,725		(1,348		)	—		—			25	347,725		(1,348		)
Municipal bonds and notes	384,795		(25,745		)	1,192		(4		)	196	385,987		(25,749		)
CMBS	60,768		(411		)	—		—			8	60,768		(411		)
Held-to-maturity in an unrealized loss position	$	2,351,350	$	(63,785	)	$	292,225	$	(9,315	)	395	$	2,643,575	$	(73,100	)

Summary of Sale Proceeds of Available for Sale Securities

The following table provides information on sales of available-for-sale investment securities:

	Three months ended June 30,				Six months ended June 30,
(In thousands)	2017		2016		2017		2016
Proceeds from sales (1)	$	—	$	216,071	$	—	$	259,273
Gross realized gains on sales	$	—	$	2,504	$	—	$	2,891
Less: Gross realized losses on sales	—		2,410				2,477
Gain on sale of investment securities, net	$	—	$	94	$	—	$	414

Summary of Debt Securities by Contractual Maturity

The amortized cost and fair value of debt securities by contractual maturity are set forth below:

	At June 30, 2017
	Available-for-Sale				Held-to-Maturity
(In thousands)	Amortized Cost		Fair Value		Amortized Cost		Fair Value
Due in one year or less	$	77,641	$	77,882	$	16,289	$	16,403
Due after one year through five years	21,426		21,745		7,849		7,943
Due after five through ten years	491,037		493,662		44,759		45,623
Due after ten years	2,240,987		2,214,677		4,150,301		4,127,409
Total debt securities	$	2,831,091	$	2,807,966	$	4,219,198	$	4,197,378

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Loans and Leases (Tables)

6 Months Ended

Jun. 30, 2017

Loans and Leases Receivable Disclosure [Abstract]

Schedule of Accounts, Notes, Loans and Financing Receivable

The following table summarizes loans and leases:

(In thousands)	At June 30, 2017		At December 31, 2016
Residential	$	4,388,308	$	4,254,682
Consumer	2,599,318		2,684,500
Commercial	5,144,171		4,940,931
Commercial Real Estate	4,556,208		4,510,846
Equipment Financing	585,673		635,629
Loans and leases (1) (2)	$	17,273,678	$	17,026,588

(1) Loans and leases include net deferred fees and net premiums/discounts of $18.8 million and $17.3 million at June 30, 2017 and December 31, 2016, respectively.

(2)

At June 30, 2017, the Company had pledged $6.2 billion of eligible residential, consumer and commercial loans as collateral to support borrowing capacity at the FHLB Boston and the FRB of Boston.

Past Due Financing Receivables

The following tables summarize the aging of loans and leases:

	At June 30, 2017
(In thousands)	30-59 Days Past Due and Accruing		60-89 Days Past Due and Accruing		90 or More Days Past Due and Accruing		Non-accrual		Total Past Due and Non-accrual		Current		Total Loans and Leases
Residential	$	6,157	$	3,697	$	—	$	46,090	$	55,944	$	4,332,364	$	4,388,308
Consumer:
Home equity	7,961		3,307		—		38,974		50,242		2,293,538		2,343,780
Other consumer	1,788		1,337		—		1,272		4,397		251,141		255,538
Commercial:
Commercial non-mortgage	1,269		648		1,185		68,181		71,283		4,211,685		4,282,968
Asset-based	—		—		—		—		—		861,203		861,203
Commercial real estate:
Commercial real estate	832		184		—		10,637		11,653		4,182,700		4,194,353
Commercial construction	—		—		—		543		543		361,312		361,855
Equipment financing	883		—		—		547		1,430		584,243		585,673
Total	$	18,890	$	9,173	$	1,185	$	166,244	$	195,492	$	17,078,186	$	17,273,678

	At December 31, 2016
(In thousands)	30-59 Days Past Due and Accruing		60-89 Days Past Due and Accruing		90 or More Days Past Due and Accruing		Non-accrual		Total Past Due and Non-accrual		Current		Total Loans and Leases
Residential	$	8,631	$	2,609	$	—	$	47,279	$	58,519	$	4,196,163	$	4,254,682
Consumer:
Home equity	8,831		5,782		—		35,926		50,539		2,359,354		2,409,893
Other consumer	2,233		1,485		—		1,663		5,381		269,226		274,607
Commercial:
Commercial non-mortgage	1,382		577		749		38,190		40,898		4,094,727		4,135,625
Asset-based	—		—		—		—		—		805,306		805,306
Commercial real estate:
Commercial real estate	6,357		1,816		—		9,871		18,044		4,117,742		4,135,786
Commercial construction	—		—		—		662		662		374,398		375,060
Equipment financing	903		693		—		225		1,821		633,808		635,629
Total	$	28,337	$	12,962	$	749	$	133,816	$	175,864	$	16,850,724	$	17,026,588

Activity In Allowance For Losses

The following tables summarize the activity in, as well as the loan and lease balances that were evaluated for, the ALLL:

	At or for the three months ended June 30, 2017
	Residential			Consumer			Commercial			Commercial Real Estate			Equipment Financing			Total
ALLL:
Balance, beginning of period	$	20,264		$	45,408		$	76,354		$	50,727		$	6,354		$	199,107
(Benefit) provision charged to expense	(1,621		)	1,562			5,489			1,771			49			7,250
Charge-offs	(623		)	(5,602		)	(2,196		)	(100		)	(119		)	(8,640		)
Recoveries	407			1,120			317			4			13			1,861
Balance, end of period	$	18,427		$	42,488		$	79,964		$	52,402		$	6,297		$	199,578

	At or for the three months ended June 30, 2016
(In thousands)	Residential			Consumer			Commercial			Commercial Real Estate			Equipment Financing			Total
ALLL:
Balance, beginning of period	$	27,330		$	41,636		$	66,471		$	33,318		$	5,446		$	174,201
(Benefit) provision charged to expense	(2,412		)	4,682			10,560			1,087			83			14,000
Charge-offs	(638		)	(4,556		)	(3,525		)	(995		)	(70		)	(9,784		)
Recoveries	133			1,194			316			212			156			2,011
Balance, end of period	$	24,413		$	42,956		$	73,822		$	33,622		$	5,615		$	180,428

	At or for the six months ended June 30, 2017
(In thousands)	Residential			Consumer			Commercial			Commercial Real Estate			Equipment Financing			Total
ALLL:
Balance, beginning of period	$	23,226		$	45,233		$	71,905		$	47,477		$	6,479		$	194,320
(Benefit) provision charged to expense	(4,088		)	6,888			9,739			5,116			95			17,750
Charge-offs	(1,355		)	(12,076		)	(2,319		)	(202		)	(304		)	(16,256		)
Recoveries	644			2,443			639			11			27			3,764
Balance, end of period	$	18,427		$	42,488		$	79,964		$	52,402		$	6,297		$	199,578
Individually evaluated for impairment	$	5,105		$	1,829		$	10,951		$	324		$	27		$	18,236
Collectively evaluated for impairment	$	13,322		$	40,659		$	69,013		$	52,078		$	6,270		$	181,342
Loan and lease balances:
Individually evaluated for impairment	$	117,820		$	47,310		$	83,206		$	18,677		$	6,332		$	273,345
Collectively evaluated for impairment	4,270,488			2,552,008			5,060,965			4,537,531			579,341			17,000,333
Loans and leases	$	4,388,308		$	2,599,318		$	5,144,171		$	4,556,208		$	585,673		$	17,273,678

	At or for the six months ended June 30, 2016
(In thousands)	Residential			Consumer			Commercial			Commercial Real Estate			Equipment Financing			Total
ALLL:
Balance, beginning of period	$	25,876		$	42,052		$	66,686		$	34,889		$	5,487		$	174,990
(Benefit) provision charged to expense	(85		)	7,473			21,096			968			148			29,600
Charge-offs	(2,232		)	(8,977		)	(14,733		)	(2,521		)	(221		)	(28,684		)
Recoveries	854			2,408			773			286			201			4,522
Balance, end of period	$	24,413		$	42,956		$	73,822		$	33,622		$	5,615		$	180,428
Individually evaluated for impairment	$	10,018		$	3,027		$	6,422		$	1,649		$	17		$	21,133
Collectively evaluated for impairment	$	14,395		$	39,929		$	67,400		$	31,973		$	5,598		$	159,295
Loan and lease balances:
Individually evaluated for impairment	$	127,965		$	47,576		$	59,550		$	32,208		$	421		$	267,720
Collectively evaluated for impairment	4,028,700			2,680,876			4,517,932			4,158,879			617,922			16,004,309
Loans and leases	$	4,156,665		$	2,728,452		$	4,577,482		$	4,191,087		$	618,343		$	16,272,029

Impaired Loans

The following tables summarize impaired loans and leases:

	At June 30, 2017
(In thousands)	Unpaid Principal Balance		Total Recorded Investment		Recorded Investment No Allowance		Recorded Investment With Allowance		Related Valuation Allowance
Residential	$	129,421	$	117,820	$	27,130	$	90,690	$	5,105
Consumer	52,666		47,310		22,923		24,387		1,829
Commercial	90,351		83,206		25,250		57,956		10,951
Commercial real estate:
Commercial real estate	19,273		18,135		13,086		5,049		239
Commercial construction	645		542		—		542		85
Equipment financing	6,332		6,332		5,736		596		27
Total	$	298,688	$	273,345	$	94,125	$	179,220	$	18,236

	At December 31, 2016
(In thousands)	Unpaid Principal Balance		Total Recorded Investment		Recorded Investment No Allowance		Recorded Investment With Allowance		Related Valuation Allowance
Residential	$	131,468	$	119,424	$	21,068	$	98,356	$	8,090
Consumer	52,432		45,719		22,746		22,973		2,903
Commercial	57,732		53,037		26,006		27,031		7,422
Commercial real estate:
Commercial real estate	24,146		23,568		19,591		3,977		169
Commercial construction	1,188		1,187		1,187		—		—
Equipment financing	6,398		6,420		6,197		223		9
Total	$	273,364	$	249,355	$	96,795	$	152,560	$	18,593

The following table summarizes the average recorded investment and interest income recognized for impaired loans and leases:

	Three months ended June 30,												Six months ended June 30,
	2017						2016						2017						2016
(In thousands)	Average Recorded Investment		Accrued Interest Income		Cash Basis Interest Income		Average Recorded Investment		Accrued Interest Income		Cash Basis Interest Income		Average Recorded Investment		Accrued Interest Income		Cash Basis Interest Income		Average Recorded Investment		Accrued Interest Income		Cash Basis Interest Income
Residential	$	119,398	$	1,036	$	286	$	129,049	$	1,124	$	297	$	118,622	$	2,106	$	701	$	131,207	$	2,239	$	614
Consumer	47,296		335		249		47,836		344		257		46,514		657		562		48,001		693		516
Commercial	85,006		233		—		62,199		475		—		68,122		455		—		58,066		947		—
Commercial real estate:
Commercial real estate	20,454		98		—		28,737		149		—		20,851		233		—		30,575		297		—
Commercial construction	862		—		—		5,177		34		—		865		12		—		5,177		69		—
Equipment financing	6,240		67		—		717		1		—		6,376		138		—		422		2		—
Total	$	279,256	$	1,769	$	535	$	273,715	$	2,127	$	554	$	261,350	$	3,601	$	1,263	$	273,448	$	4,247	$	1,130

Financing Receivable Credit Quality Indicators

The following table summarizes commercial, commercial real estate and equipment financing loans and leases segregated by risk rating exposure:

	Commercial				Commercial Real Estate				Equipment Financing
(In thousands)	At June 30, 2017		At December 31, 2016		At June 30, 2017		At December 31, 2016		At June 30, 2017		At December 31, 2016
(1) - (6) Pass	$	4,828,252	$	4,655,007	$	4,358,273	$	4,357,458	$	567,168	$	618,084
(7) Special Mention	86,109		56,240		92,245		69,023		3,802		1,324
(8) Substandard	207,831		226,603		105,690		84,365		14,703		16,221
(9) Doubtful	21,979		3,081		—		—		—		—
Total	$	5,144,171	$	4,940,931	$	4,556,208	$	4,510,846	$	585,673	$	635,629

Troubled Debt Restructurings on Financing Receivables

Troubled Debt Restructurings

The following table summarizes information for TDRs:

(Dollars in thousands)	At June 30, 2017		At December 31, 2016
Accrual status	$	136,047	$	147,809
Non-accrual status	87,052		75,719
Total recorded investment of TDRs	$	223,099	$	223,528
Specific reserves for TDRs included in the balance of ALLL	$	12,101	$	14,583
Additional funds committed to borrowers in TDR status	4,819		459

For the three and six months ended June 30, 2017, and 2016, Webster charged off $0.6 million and $2.6 million, and $3.3 million and $14.9 million, respectively, for the portion of TDRs deemed to be uncollectible.

The following table provides information on the type of concession for loans and leases modified as TDRs:

	Three months ended June 30,						Six months ended June 30,
	2017			2016			2017			2016
	Number of Loans and Leases	Post- Modification Recorded Investment(1)		Number of Loans and Leases	Post- Modification Recorded Investment(1)		Number of Loans and Leases	Post- Modification Recorded Investment(1)		Number of Loans and Leases	Post- Modification Recorded Investment(1)
(Dollars in thousands)
Residential:
Extended Maturity	4	$	420	2	$	338	9	$	1,390	7	$	1,002
Adjusted Interest Rate	2	335		—	—		2	335		1	236
Maturity/Rate Combined	2	354		7	895		5	846		7	895
Other (2)	7	1,176		8	1,476		26	4,114		15	2,891
Consumer:
Extended Maturity	4	625		6	193		6	664		7	292
Maturity/Rate Combined	4	830		4	359		11	2,813		8	659
Other (2)	10	701		22	839		43	2,894		29	1,177
Commercial:
Extended Maturity	6	778		—	—		8	813		9	14,649
Maturity/Rate Combined	5	8,854		1	644		5	8,854		2	648
Other (2)	—	—		3	64		1	4		7	374
Commercial real estate:
Maturity/Rate Combined	—	—		—	—		—	—		1	444
Other (2)	—	—		—	—		—	—		1	509
Equipment Financing
Extended Maturity	—	—		—	—		—	—		1	4
Total TDRs	44	$	14,073	53	$	4,808	116	$	22,727	95	$	23,780

(1) Post-modification balances approximate pre-modification balances. The aggregate amount of charge-offs as a result of the restructurings was not significant.

(2) Other includes covenant modifications, forbearance, loans discharged under Chapter 7 bankruptcy, or other concessions.

The following table provides information on loans and leases modified as TDRs within the previous 12 months and for which there was a payment default during the periods presented:

	Three months ended June 30,						Six months ended June 30,
	2017			2016			2017			2016
(Dollars in thousands)	Number of Loans and Leases	Recorded Investment		Number of Loans and Leases	Recorded Investment		Number of Loans and Leases	Recorded Investment		Number of Loans and Leases	Recorded Investment
Residential	—	$	—	1	$	54	—	$	—	1	$	54
Consumer	—	—		1	18		—	—		1	18
Commercial	1	23		1	1,363		1	23		1	1,363
Total	1	$	23	3	$	1,435	1	$	23	3	$	1,435

The recorded investment of TDRs in commercial, commercial real estate, and equipment financing segregated by risk rating exposure is as follows:

(In thousands)	At June 30, 2017		At December 31, 2016
(1) - (6) Pass	$	8,241	$	10,210
(7) Special Mention	367		7
(8) Substandard	46,705		45,509
(9) Doubtful	2,656		2,738
Total	$	57,969	$	58,464

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Transfers of Financial Assets (Tables)

6 Months Ended

Jun. 30, 2017

Transfers and Servicing [Abstract]

Schedule Of Reserve For Loan Repurchases Table

The following table provides a summary of activity in the reserve for loan repurchases:

	Three months ended June 30,					Six months ended June 30,
(In thousands)	2017		2016			2017		2016
Beginning balance	$	824	$	1,119		$	790	$	1,192
Provision (benefit) charged to expense	19		(127		)	53		(102		)
Repurchased loans and settlements charged off	—		—			—		(98		)
Ending balance	$	843	$	992		$	843	$	992

The following table provides a summary of activity in the reserve for unfunded credit commitments:

	Three months ended June 30,					Six months ended June 30,
(In thousands)	2017			2016		2017		2016
Beginning balance	$	2,655		$	2,126	$	2,287	$	2,119
(Benefit) provision charged to expense	(111		)	193		257		200
Ending balance	$	2,544		$	2,319	$	2,544	$	2,319

Transfer of Financial Assets Accounted for as Sales [Table Text Block]

	Three months ended June 30,				Six months ended June 30,
(In thousands)	2017		2016		2017		2016
Residential mortgage loans held for sale:
Proceeds from sale	$	66,718	$	85,411	$	173,338	$	170,572
Loans sold with servicing rights retained	60,167		78,645		159,667		158,005
Net gain on sale	2,126		1,820		2,377		3,425
Ancillary fees	641		808		1,409		1,439
Fair value option adjustment	584		1,125		1,831		2,149

Servicing Asset at Amortized Cost [Table Text Block]

The following table presents the changes in carrying value for mortgage servicing assets:

	Three months ended June 30,				Six months ended June 30,
(In thousands)	2017		2016		2017		2016
Beginning balance	$	24,336	$	21,004	$	24,466	$	20,698
Additions	2,478		2,947		4,487		4,860
Amortization	(2,106)		(2,005)		(4,245)		(3,612)
Ending balance	$	24,708	$	21,946	$	24,708	$	21,946

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Goodwill and Other Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Finite-Lived Intangible Assets

Goodwill and other intangible assets by reportable segment consisted of the following:

	At June 30, 2017							At December 31, 2016
(In thousands)	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Other intangible assets:
HSA Bank CDI	$	22,000	$	(7,437	)	$	14,563	$	22,000	$	(6,162	)	$	15,838
HSA Bank Customer relationships	21,000		(3,972		)	17,028		21,000		(3,164		)	17,836
Total other intangible assets	$	43,000	$	(11,409	)	$	31,591	$	43,000	$	(9,326	)	$	33,674
Goodwill:
Community Banking						$	516,560						$	516,560
HSA Bank						21,813							21,813
Total goodwill						$	538,373						$	538,373

Schedule Of Expected Amortization Expense, Next Four Years

As of June 30, 2017, the remaining estimated aggregate future amortization expense for intangible assets is as follows:

(In thousands)
Remainder of 2017	$	1,980
2018	3,847
2019	3,847
2020	3,847
2021	3,847
Thereafter	14,223

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Deposits (Tables)

6 Months Ended

Jun. 30, 2017

Banking and Thrift [Abstract]

Deposit Liabilities, Type [Table Text Block]

A summary of deposits by type follows:

(In thousands)	At June 30, 2017		At December 31, 2016
Non-interest-bearing:
Demand	$	4,074,819	$	4,021,061
Interest-bearing:
Checking	2,669,207		2,528,274
Health savings accounts	4,828,145		4,362,503
Money market	2,316,460		2,047,121
Savings	4,473,925		4,320,090
Time deposits	2,095,541		2,024,808
Total interest-bearing	16,383,278		15,282,796
Total deposits	$	20,458,097	$	19,303,857
Time deposits and interest-bearing checking, included in above balances, obtained through brokers	$	913,234	$	848,618
Time deposits, included in above balance, that meet or exceed the FDIC limit	572,231		490,721
Deposit overdrafts reclassified as loan balances	1,242		1,885

Time Deposit Maturities [Table Text Block]

The scheduled maturities of time deposits are as follows:

(In thousands)	At June 30, 2017
Remainder of 2017	$	522,491
2018	715,967
2019	526,115
2020	200,945
2021	107,943
Thereafter	22,080
Total time deposits	$	2,095,541

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Borrowings (Tables)

6 Months Ended

Jun. 30, 2017

Debt Disclosure [Abstract]

Schedule of Repurchase Agreements

The following table summarizes securities sold under agreements to repurchase and other borrowings:

	At June 30, 2017				At December 31, 2016
(In thousands)	Amount		Rate		Amount		Rate
Securities sold under agreements to repurchase:
Original maturity of one year or less	$	310,967	0.17	%	$	340,526	0.16	%
Original maturity of greater than one year, non-callable	400,000		3.04		400,000		3.09
Total securities sold under agreements to repurchase	710,967		1.79		740,526		1.82
Fed funds purchased	161,725		1.13		209,000		0.46
Securities sold under agreements to repurchase and other borrowings	$	872,692	1.66	%	$	949,526	1.53	%

Federal Home Loan Bank, Advances

The following table provides information for FHLB advances:

	At June 30, 2017				At December 31, 2016
(Dollars in thousands)	Amount		Weighted- Average Contractual Coupon Rate		Amount		Weighted- Average Contractual Coupon Rate
Maturing within 1 year	$	1,105,500	1.21	%	$	2,130,500	0.71	%
After 1 but within 2 years	175,000		1.45		200,000		1.36
After 2 but within 3 years	153,026		1.78		128,026		1.73
After 3 but within 4 years	175,000		1.72		175,000		1.77
After 4 but within 5 years	150,000		2.23		200,000		1.81
After 5 years	9,225		2.59		9,370		2.59
	1,767,751		1.43	%	2,842,896		0.95	%
Premiums on advances	6				12
Federal Home Loan Bank advances	$	1,767,757			$	2,842,908
Aggregate carrying value of assets pledged as collateral	$	5,835,397			$	5,967,318
Remaining borrowing capacity	2,066,318				1,192,758

Schedule of Long-term Debt Instruments

The following table summarizes long-term debt:

(Dollars in thousands)		At June 30, 2017			At December 31, 2016
4.375%	Senior fixed-rate notes due February 15, 2024	$	150,000		$	150,000
Junior subordinated debt Webster Statutory Trust I floating-rate notes due September 17, 2033 (1)		77,320			77,320
Total notes and subordinated debt		227,320			227,320
Discount on senior fixed-rate notes		(786		)	(845		)
Debt issuance cost on senior fixed-rate notes		(894		)	(961		)
Long-term debt		$	225,640		$	225,514

(1)

The interest rate on Webster Statutory Trust I floating-rate notes, which varies quarterly based on 3-month LIBOR plus 2.95%, was 4.22% at June 30, 2017 and 3.94% at December 31, 2016.

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Accumulated Other Comprehensive Loss, Net of Tax (Tables)

6 Months Ended

Jun. 30, 2017

Equity [Abstract]

Schedule of Changes in Accumulated Other Comprehensive Loss by Component

The following tables summarize the changes in AOCL by component:

	Three months ended June 30, 2017												Six months ended June 30, 2017
(In thousands)	Securities Available For Sale and Transferred			Derivative Instruments			Defined Benefit Pension and Other Postretirement Benefit Plans			Total			Securities Available For Sale and Transferred			Derivative Instruments			Defined Benefit Pension and Other Postretirement Benefit Plans			Total
Beginning balance	$	(17,701	)	$	(15,909	)	$	(43,417	)	$	(77,027	)	$	(15,476	)	$	(17,068	)	$	(44,449	)	$	(76,993	)
OCI/OCL before reclassifications	3,200			(472		)	—			2,728			975			(411		)	—			564
Amounts reclassified from AOCL	—			1,123			1,094			2,217			—			2,221			2,126			4,347
Net current-period OCI/OCL	3,200			651			1,094			4,945			975			1,810			2,126			4,911
Ending balance	$	(14,501	)	$	(15,258	)	$	(42,323	)	$	(72,082	)	$	(14,501	)	$	(15,258	)	$	(42,323	)	$	(72,082	)

	Three months ended June 30, 2016												Six months ended June 30, 2016
(In thousands)	Securities Available For Sale and Transferred			Derivative Instruments			Defined Benefit Pension and Other Postretirement Benefit Plans			Total			Securities Available For Sale and Transferred			Derivative Instruments			Defined Benefit Pension and Other Postretirement Benefit Plans			Total
Beginning balance	$	1,098		$	(23,932	)	$	(47,563	)	$	(70,397	)	$	(6,407	)	$	(22,980	)	$	(48,719	)	$	(78,106	)
OCI/OCL before reclassifications	11,324			(758		)	—			10,566			18,938			(3,210		)	—			15,728
Amounts reclassified from AOCL	(59		)	1,284			1,095			2,320			(168		)	2,784			2,251			4,867
Net current-period OCI/OCL	11,265			526			1,095			12,886			18,770			(426		)	2,251			20,595
Ending balance	$	12,363		$	(23,406	)	$	(46,468	)	$	(57,511	)	$	12,363		$	(23,406	)	$	(46,468	)	$	(57,511	)

Schedule of Accumulated Other Comprehensive Loss

The following tables provide information for the items reclassified from AOCL:

(In thousands)	Three months ended June 30,						Six months ended June 30,						Associated Line Item in the Condensed Consolidated Statements of Income
AOCL Components	2017			2016			2017			2016
Securities available-for-sale and transferred:
Unrealized gains (losses) on investment securities	$	—		$	94		$	—		$	414		Gain on sale of investment securities, net
Unrealized gains (losses) on investment securities	—			—			—			(149		)	Impairment loss recognized in earnings
Total before tax	—			94			—			265
Tax benefit (expense)	—			(35		)	—			(97		)	Income tax expense
Net of tax	$	—		$	59		$	—		$	168
Derivative instruments:
Cash flow hedges	$	(1,771	)	$	(2,024	)	$	(3,506	)	$	(4,389	)	Total interest expense
Tax benefit	648			740			1,285			1,605			Income tax expense
Net of tax	$	(1,123	)	$	(1,284	)	$	(2,221	)	$	(2,784	)
Defined benefit pension and other postretirement benefit plans:
Amortization of net loss	$	(1,734	)	$	(1,734	)	$	(3,372	)	$	(3,563	)	(1)
Prior service costs	—			(3		)	—			(7		)	(1)
Total before tax	(1,734		)	(1,737		)	(3,372		)	(3,570		)
Tax benefit	640			642			1,246			1,319			Income tax expense
Net of tax	$	(1,094	)	$	(1,095	)	$	(2,126	)	$	(2,251	)

(1) These accumulated other comprehensive loss components are included in the computation of net periodic benefit cost (see Note 14 - Retirement Benefit Plans for further details).

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Regulatory Matters (Tables)

6 Months Ended

Jun. 30, 2017

Regulatory Capital Requirements [Abstract]

Information On The Capital Ratios

The following table provides information on the capital ratios for Webster Financial Corporation and Webster Bank:

	At June 30, 2017
	Actual				Minimum Requirement				Well Capitalized
(Dollars in thousands)	Amount		Ratio		Amount		Ratio		Amount		Ratio
Webster Financial Corporation
CET1 risk-based capital	$	2,000,421	10.84	%	$	830,190	4.5	%	$	1,199,163	6.5	%
Total risk-based capital	2,402,573		13.02		1,475,893		8.0		1,844,867		10.0
Tier 1 risk-based capital	2,123,131		11.51		1,106,920		6.0		1,475,893		8.0
Tier 1 leverage capital	2,123,131		8.28		1,025,965		4.0		1,282,457		5.0
Webster Bank
CET1 risk-based capital	$	2,042,747	11.08	%	$	829,365	4.5	%	$	1,197,972	6.5	%
Total risk-based capital	2,244,869		12.18		1,474,427		8.0		1,843,034		10.0
Tier 1 risk-based capital	2,042,747		11.08		1,105,821		6.0		1,474,427		8.0
Tier 1 leverage capital	2,042,747		7.97		1,025,265		4.0		1,281,581		5.0

	At December 31, 2016
	Actual				Minimum Requirement				Well Capitalized
(Dollars in thousands)	Amount		Ratio		Amount		Ratio		Amount		Ratio
Webster Financial Corporation
CET1 risk-based capital	$	1,932,171	10.52	%	$	826,504	4.5	%	$	1,193,840	6.5	%
Total risk-based capital	2,328,808		12.68		1,469,341		8.0		1,836,677		10.0
Tier 1 risk-based capital	2,054,881		11.19		1,102,006		6.0		1,469,341		8.0
Tier 1 leverage capital	2,054,881		8.13		1,010,857		4.0		1,263,571		5.0
Webster Bank
CET1 risk-based capital	$	1,945,332	10.61	%	$	825,228	4.5	%	$	1,191,995	6.5	%
Total risk-based capital	2,141,939		11.68		1,467,071		8.0		1,833,839		10.0
Tier 1 risk-based capital	1,945,332		10.61		1,100,304		6.0		1,467,071		8.0
Tier 1 leverage capital	1,945,332		7.70		1,010,005		4.0		1,262,507		5.0

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Earnings Per Common Share (Tables)

6 Months Ended

Jun. 30, 2017

Earnings Per Share [Abstract]

Earnings Per Share Basic And Diluted

Reconciliation of the calculation of basic and diluted earnings per common share follows:

	Three months ended June 30,				Six months ended June 30,
(In thousands, except per share data)	2017		2016		2017		2016
Earnings for basic and diluted earnings per common share:
Net income	$	61,579	$	50,603	$	121,050	$	97,650
Less: Preferred stock dividends	2,024		2,024		4,048		4,048
Net income available to common shareholders	59,555		48,579		117,002		93,602
Less: Earnings applicable to participating securities	70		181		176		320
Earnings applicable to common shareholders	$	59,485	$	48,398	$	116,826	$	93,282
Shares:
Weighted-average common shares outstanding - basic	92,092		91,244		91,989		91,247
Effect of dilutive securities:
Stock options and restricted stock	397		475		475		453
Warrants	6		26		6		26
Weighted-average common shares outstanding - diluted	92,495		91,745		92,470		91,726
Earnings per common share:
Basic	$	0.65	$	0.53	$	1.27	$	1.02
Diluted	0.64		0.53		1.26		1.02

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share

Potential common shares excluded from the effect of dilutive securities because they would have been anti-dilutive, are as follows:

	Three months ended June 30,		Six months ended June 30,
(In thousands)	2017	2016	2017	2016
Stock options (shares with exercise price greater than market price)	—	172	—	172
Restricted stock (due to performance conditions on non-participating shares)	79	194	60	188

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Derivative Financial Instruments (Tables)

6 Months Ended

Jun. 30, 2017

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Fair Value Of Derivative Financial Instruments Designated As Cash Flow Hedges

The following table presents the notional amounts and fair values of derivative positions:

	At June 30, 2017								At December 31, 2016
	Asset Derivatives				Liability Derivatives				Asset Derivatives				Liability Derivatives
(In thousands)	Notional Amounts		Fair Value		Notional Amounts		Fair Value		Notional Amounts		Fair Value		Notional Amounts		Fair Value
Designated as hedging instruments:
Positions subject to a master netting agreement (1)
Interest rate derivatives	$	225,000	$	2,198	$	100,000	$	367	$	225,000	$	3,270	$	100,000	$	792
Not designated as hedging instruments:
Positions subject to a master netting agreement (1)
Interest rate derivatives	2,132,888		6,740		1,205,406		4,224		1,943,485		32,226		1,242,937		24,388
Other	3,566		109		22,588		395		10,634		231		14,265		120
Positions not subject to a master netting agreement
Interest rate derivatives	1,822,285		38,495		1,516,009		15,915		1,734,679		38,668		1,451,762		19,001
RPAs	85,447		119		97,528		145		86,037		139		87,273		166
Mortgage banking derivatives (2)	88,120		998		52,491		293		103,440		3,084		59,895		711
Other	—		—		1,857		106		1,438		19		181		11
Total not designated as hedging instruments	4,132,306		46,461		2,895,879		21,078		3,879,713		74,367		2,856,313		44,397
Gross derivative instruments, before netting	$	4,357,306	48,659		$	2,995,879	21,445		$	4,104,713	77,637		$	2,956,313	45,189
Less: Legally enforceable master netting agreements			3,802				3,802				24,252				24,254
Less: Cash collateral posted			1,680				999				11,475				600
Total derivative instruments, after netting			$	43,177			$	16,644			$	41,910			$	20,335

(1) One of Webster's counterparty relationships was impacted by a Chicago Mercantile Exchange rulebook amendment, resulting in the presentation of that relationship on a settlement basis, as a single unit of account at June 30, 2017, versus a netting basis at December 31, 2016.

(2)

Notional amounts include mandatory forward commitments of $77.9 million, while notional amounts do not include approved floating rate commitments of $22.8 million, at June 30, 2017.

Other Derivatives Not Designated For Hedge Accounting

Changes in the fair value of derivatives not qualifying for hedge accounting treatment were recognized as follows:

	Three months ended June 30,						Six months ended June 30,
(In thousands)	2017			2016			2017			2016
Interest rate derivatives	$	30		$	3,574		$	279		$	5,907
RPAs	53			(167		)	106			(253		)
Mortgage banking derivatives	374			(162		)	(1,667		)	(363		)
Other	(283		)	216			(627		)	(297		)
Total impact on other non-interest income	$	174		$	3,461		$	(1,909	)	$	4,994

Offsetting Liabilities

The following table is presented on a gross basis, prior to the application of counterparty netting agreements:

	At June 30, 2017								At December 31, 2016
(In thousands)	Gross Amount		Relationship Offset		Cash Collateral Offset		Net Amount		Gross Amount		Relationship Offset		Cash Collateral Offset		Net Amount
Derivative instrument gains:
Hedge accounting	$	2,198	$	1,046	$	398	$	754	$	3,270	$	2,335	$	935	$	—
Non-hedge accounting	4,319		2,756		1,282		281		32,457		21,917		10,540		—
Total assets	$	6,517	$	3,802	$	1,680	$	1,035	$	35,727	$	24,252	$	11,475	$	—
Derivative instrument losses:
Hedge accounting	$	367	$	367	$	—	$	—	$	792	$	792	$	—	$	—
Non-hedge accounting	4,620		3,435		999		186		24,508		23,462		600		446
Total liabilities	$	4,987	$	3,802	$	999	$	186	$	25,300	$	24,254	$	600	$	446

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Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2017

Fair Value Disclosures [Abstract]

Fair Value Of Assets And Liabilities Measured On Recurring Basis

Summaries of the fair values of assets and liabilities measured at fair value on a recurring basis are as follows:

	At June 30, 2017
(In thousands)	Level 1		Level 2		Level 3		Total
Financial assets held at fair value:
U.S. Treasury Bills	$	3,843	$	—	$	—	$	3,843
Agency CMO	—		359,016		—		359,016
Agency MBS	—		875,690		—		875,690
Agency CMBS	—		587,102		—		587,102
CMBS	—		479,908		—		479,908
CLO	—		363,125		—		363,125
Trust preferred	—		31,202		—		31,202
Corporate debt	—		108,080		—		108,080
Total available-for-sale investment securities	3,843		2,804,123		—		2,807,966
Gross derivative instruments, before netting (1)	109		48,550		—		48,659
Investments held in Rabbi Trust	5,083		—		—		5,083
Alternative investments	—		—		6,587		6,587
Originated loans held for sale	—		39,407		—		39,407
Total financial assets held at fair value	$	9,035	$	2,892,080	$	6,587	$	2,907,702
Financial liabilities held at fair value:
Gross derivative instruments, before netting (1)	$	489	$	20,956	$	—	$	21,445

	At December 31, 2016
(In thousands)	Level 1		Level 2		Level 3		Total
Financial assets held at fair value:
U.S. Treasury Bills	$	734	$	—	$	—	$	734
Agency CMO	—		419,706		—		419,706
Agency MBS	—		954,349		—		954,349
Agency CMBS	—		573,272		—		573,272
CMBS	—		477,365		—		477,365
CLO	—		427,390		—		427,390
Trust preferred	—		28,633		—		28,633
Corporate debt	—		109,642		—		109,642
Total available-for-sale investment securities	734		2,990,357		—		2,991,091
Gross derivative instruments, before netting (1)	250		77,387		—		77,637
Investments held in Rabbi Trust	5,119		—		—		5,119
Alternative investments	—		—		5,502		5,502
Originated loans held for sale	—		60,260		—		60,260
Total financial assets held at fair value	$	6,103	$	3,128,004	$	5,502	$	3,139,609
Financial liabilities held at fair value:
Gross derivative instruments, before netting (1)	$	120	$	45,069	$	—	$	45,189

(1)

For information relating to the impact of netting derivative assets and derivative liabilities as well as the impact from offsetting cash collateral paid to the same derivative counterparties see Note 12: Derivative Financial Instruments.

Schedule Of Quantitative Inputs And Assumptions For Items Categorized In Level 3 Of The Fair Value Hierarchy

The following table presents the changes in Level 3 assets and liabilities that are measured at fair value on a recurring basis:

(In thousands)	Alternative Investments
Balance at January 1, 2017	$	5,502
Unrealized gain included in net income	228
Purchases/capital funding	899
Payments	(42		)
Balance at June 30, 2017	$	6,587

Schedule Of Valuation Methodology And Unobservable Inputs

The table below presents the valuation methodology and unobservable inputs for Level 3 assets measured at fair value on a non-recurring basis as of June 30, 2017:

(Dollars in thousands)
Asset	Fair Value		Valuation Methodology	Unobservable Inputs	Range of Inputs
Collateral dependent impaired loans and leases	$	18,724	Real Estate Appraisals	Discount for appraisal type	0%	-	30%
				Discount for costs to sell	8%	-	15%
OREO	$	757	Real Estate Appraisals	Discount for appraisal type	0%	-	20%
				Discount for costs to sell	8%

Summary Of Estimated Fair Values Of Significant Financial Instruments

The estimated fair values of selected financial instruments and servicing assets are as follows:

	At June 30, 2017				At December 31, 2016
(In thousands)	Carrying Amount		Fair Value		Carrying Amount		Fair Value
Assets:
Level 2
Held-to-maturity investment securities	$	4,219,198	$	4,197,378	$	4,160,658	$	4,125,125
Transferred loans held for sale	—		—		7,317		7,444
Level 3
Loans and leases, net	17,074,100		16,928,626		16,832,268		16,678,106
Mortgage servicing assets	24,708		44,406		24,466		52,075
Alternative investments	9,882		11,644		11,034		13,189
Liabilities:
Level 2
Deposit liabilities	$	18,362,556	$	18,362,556	$	17,279,049	$	17,279,049
Time deposits	2,095,541		2,092,851		2,024,808		2,024,395
Securities sold under agreements to repurchase and other borrowings	872,692		876,289		949,526		955,660
FHLB advances (1)	1,767,757		1,774,605		2,842,908		2,825,101
Long-term debt (1)	225,640		240,959		225,514		225,514

(1) The following adjustments to the carrying amount are not included for determination of fair value, see Note 8: Borrowings:

•FHLB advances - unamortized premiums on advances

•Long-term debt - unamortized discount and debt issuance cost on senior fixed-rate notes

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Reitrement Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2017

Retirement Benefits [Abstract]

Summary of Net Periodic Benefit Cost

The following table summarizes the components of net periodic benefit cost:

	Three months ended June 30,
	2017							2016
(In thousands)	Pension Plan			SERP		Other Benefits		Pension Plan			SERP		Other Benefits
Service cost	$	13		$	—	$	—	$	11		$	—	$	—
Interest cost on benefit obligations	1,844			93		25		2,123			97		31
Expected return on plan assets	(3,075		)	—		—		(2,964		)	—		—
Amortization of prior service cost	—			—		—		—			—		3
Recognized net loss	1,515			212		7		1,642			83		9
Net periodic benefit cost	$	297		$	305	$	32	$	812		$	180	$	43

	Six months ended June 30,
	2017							2016
(In thousands)	Pension Plan			SERP		Other Benefits		Pension Plan			SERP		Other Benefits
Service cost	$	25		$	—	$	—	$	23		$	—	$	—
Interest cost on benefit obligations	3,657			185		50		4,221			194		62
Expected return on plan assets	(6,148		)	—		—		(5,529		)	—		—
Amortization of prior service cost	—			—		—		—			—		7
Recognized net loss	2,932			425		15		3,332			213		18
Net periodic benefit cost	$	466		$	610	$	65	$	2,047		$	407	$	87

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Share-Based Plans (Tables)

6 Months Ended

Jun. 30, 2017

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of Allocation of Share-based Compensation Costs by Plan

The following table provides a summary of stock compensation expense recognized in the accompanying Condensed Consolidated Statements of Income:

	Three months ended June 30,				Six months ended June 30,
(In thousands)	2017		2016		2017		2016
Stock options	$	—	$	—	$	—	$	43
Restricted stock	2,725		2,831		6,043		5,571
Total stock compensation expense	$	2,725	$	2,831	$	6,043	$	5,614

Schedule of Share-based Compensation, Activity

The following table provides a summary of the stock compensation plans activity for the six months ended June 30, 2017:

	Restricted Stock Awards Outstanding									Stock Options Outstanding
	Time-Based						Performance-Based
	Number of Shares	Weighted-Average Grant Date Fair Value		Number of Units	Weighted-Average Grant Date Fair Value		Number of Shares	Weighted-Average Grant Date Fair Value		Number  of Shares	Weighted-Average Exercise Price
Outstanding, at January 1, 2017	253,361	$	32.24	2,158	$	32.89	116,184	$	33.62	1,072,974	$	21.24
Granted	148,479	55.53		8,129	56.07		89,581	56.18		—	—
Exercised options	—	—		—	—		—	—		232,416	27.97
Vested restricted stock awards (1)	106,532	35.26		4,867	45.79		61,563	39.23		—	—
Forfeited	12,344	37.16		—	—		6,276	42.72		—	—
Outstanding and exercisable, at June 30, 2017	282,964	$	41.53	5,420	$	56.07	137,926	$	45.42	840,558	$	19.38

(1)

Vested for purposes of recording compensation expense.

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Segment Reporting (Tables)

6 Months Ended

Jun. 30, 2017

Segment Reporting [Abstract]

Operating Results And Total Assets Reportable Segments

The following table presents total assets for Webster's reportable segments and the Corporate and Reconciling category:

	Total Assets
(In thousands)	Commercial Banking		Community Banking		HSA Bank		Corporate and Reconciling		Consolidated Total
At June 30, 2017	$	9,433,770	$	8,802,060	$	78,569	$	7,860,531	$	26,174,930
At December 31, 2016	9,069,445		8,721,046		83,987		8,198,051		26,072,529

The following tables present the operating results, including all appropriate allocations, for Webster’s reportable segments and the Corporate and Reconciling category:

	Three months ended June 30, 2017
(In thousands)	Commercial Banking		Community Banking			HSA Bank		Corporate and Reconciling			Consolidated Total
Net interest income (expense)	$	78,946	$	95,902		$	25,574	$	(2,635	)	$	197,787
Provision (benefit) for loan and lease losses	10,692		(3,442		)	—		—			7,250
Net interest income (expense) after provision for loan and lease losses	68,254		99,344			25,574		(2,635		)	190,537
Non-interest income	12,532		28,058			19,750		4,211			64,551
Non-interest expense	37,304		94,322			28,750		4,043			164,419
Income (loss) before income tax expense	43,482		33,080			16,574		(2,467		)	90,669
Income tax expense (benefit)	14,158		10,353			5,323		(744		)	29,090
Net income (loss)	$	29,324	$	22,727		$	11,251	$	(1,723	)	$	61,579

	Three months ended June 30, 2016
(In thousands)	Commercial Banking		Community Banking		HSA Bank		Corporate and Reconciling			Consolidated Total
Net interest income (expense)	$	68,862	$	91,620	$	20,005	$	(3,582	)	$	176,905
Provision for loan and lease losses	11,612		2,388		—		—			14,000
Net interest income (expense) after provision for loan and lease losses	57,250		89,232		20,005		(3,582		)	162,905
Non-interest income	14,755		27,468		18,114		4,738			65,075
Non-interest expense	33,483		91,526		24,688		3,081			152,778
Income (loss) before income tax expense	38,522		25,174		13,431		(1,925		)	75,202
Income tax expense (benefit)	12,603		8,617		4,384		(1,005		)	24,599
Net income (loss)	$	25,919	$	16,557	$	9,047	$	(920	)	$	50,603

	Six months ended June 30, 2017
(In thousands)	Commercial Banking		Community Banking		HSA Bank		Corporate and Reconciling			Consolidated Total
Net interest income (expense)	$	157,193	$	189,492	$	49,626	$	(5,860	)	$	390,451
Provision for loan and lease losses	17,489		261		—		—			17,750
Net interest income (expense) after provision for loan and lease losses	139,704		189,231		49,626		(5,860		)	372,701
Non-interest income	25,956		53,437		39,021		9,179			127,593
Non-interest expense	75,428		189,501		56,989		6,285			328,203
Income (loss) before income tax expense	90,232		53,167		31,658		(2,966		)	172,091
Income tax expense (benefit)	26,762		15,769		9,389		(879		)	51,041
Net income (loss)	$	63,470	$	37,398	$	22,269	$	(2,087	)	$	121,050

	Six months ended June 30, 2016
(In thousands)	Commercial Banking		Community Banking		HSA Bank		Corporate and Reconciling			Consolidated Total
Net interest income (expense)	$	137,157	$	182,191	$	39,924	$	(6,215	)	$	353,057
Provision for loan and lease losses	21,889		7,711		—		—			29,600
Net interest income (expense) after provision for loan and lease losses	115,268		174,480		39,924		(6,215		)	323,457
Non-interest income	25,903		54,118		38,069		9,359			127,449
Non-interest expense	67,543		183,537		48,945		5,198			305,223
Income (loss) before income tax expense	73,628		45,061		29,048		(2,054		)	145,683
Income tax expense (benefit)	24,276		14,857		9,577		(677		)	48,033
Net income (loss)	$	49,352	$	30,204	$	19,471	$	(1,377	)	$	97,650

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Commitments and Contingencies (Tables)

6 Months Ended

Jun. 30, 2017

Commitments and Contingencies Disclosure [Abstract]

Outstanding Financial Instruments Contract Amounts Represent Credit Risk

The following table summarizes the outstanding amounts of credit-related financial instruments with off-balance sheet risk:

(In thousands)	At June 30, 2017		At December 31, 2016
Commitments to extend credit	$	5,211,813	$	5,224,280
Standby letter of credit	138,536		128,985
Commercial letter of credit	40,678		46,497
Total credit-related financial instruments with off-balance sheet risk	$	5,391,027	$	5,399,762

Reserve For Unfunded Credit Commitments

The following table provides a summary of activity in the reserve for loan repurchases:

	Three months ended June 30,					Six months ended June 30,
(In thousands)	2017		2016			2017		2016
Beginning balance	$	824	$	1,119		$	790	$	1,192
Provision (benefit) charged to expense	19		(127		)	53		(102		)
Repurchased loans and settlements charged off	—		—			—		(98		)
Ending balance	$	843	$	992		$	843	$	992

The following table provides a summary of activity in the reserve for unfunded credit commitments:

	Three months ended June 30,					Six months ended June 30,
(In thousands)	2017			2016		2017		2016
Beginning balance	$	2,655		$	2,126	$	2,287	$	2,119
(Benefit) provision charged to expense	(111		)	193		257		200
Ending balance	$	2,544		$	2,319	$	2,544	$	2,319

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Investment Securities (Summary Of Investment Securities) (Detail) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Available-for-sale Securities [Abstract]
Amortized Cost	$ 2,831,091	$ 3,015,763
Unrealized Gains	12,853	16,226
Unrealized Losses	(35,978)	(40,898)
Fair Value	2,807,966	2,991,091
Held-to-maturity Securities [Abstract]
Amortized Cost	4,219,198	4,160,658
Unrealized Gains	34,049	37,567
Unrealized Losses	(55,869)	(73,100)
Fair Value	4,197,378	4,125,125
US Treasury Bill Securities [Member]
Available-for-sale Securities [Abstract]
Amortized Cost	3,843	734
Unrealized Gains	0	0
Unrealized Losses	0	0
Fair Value	3,843	734
Agency collateralized mortgage obligations (CMOs) [Member]
Available-for-sale Securities [Abstract]
Amortized Cost	359,075	419,865
Unrealized Gains	3,064	3,344
Unrealized Losses	(3,123)	(3,503)
Fair Value	359,016	419,706
Held-to-maturity Securities [Abstract]
Amortized Cost	297,649	339,455
Unrealized Gains	1,381	1,977
Unrealized Losses	(3,170)	(3,824)
Fair Value	295,860	337,608
Agency mortgage-backed securities (MBS) [Member]
Available-for-sale Securities [Abstract]
Amortized Cost	888,810	969,460
Unrealized Gains	3,764	4,398
Unrealized Losses	(16,884)	(19,509)
Fair Value	875,690	954,349
Held-to-maturity Securities [Abstract]
Amortized Cost	2,324,270	2,317,449
Unrealized Gains	23,383	26,388
Unrealized Losses	(35,115)	(41,768)
Fair Value	2,312,538	2,302,069
Agency commercial mortgage-backed securities (ACMBS) [Member]
Available-for-sale Securities [Abstract]
Amortized Cost	602,446	587,776
Unrealized Gains	0	63
Unrealized Losses	(15,344)	(14,567)
Fair Value	587,102	573,272
Held-to-maturity Securities [Abstract]
Amortized Cost	642,676	547,726
Unrealized Gains	309	694
Unrealized Losses	(2,727)	(1,348)
Fair Value	640,258	547,072
Non-agency Commercial mortgage-backed securities (CMBS) [Member]
Available-for-sale Securities [Abstract]
Amortized Cost	477,932	473,974
Unrealized Gains	2,202	4,093
Unrealized Losses	(226)	(702)
Fair Value	479,908	477,365
Held-to-maturity Securities [Abstract]
Amortized Cost	265,086	298,538
Unrealized Gains	3,862	4,107
Unrealized Losses	(252)	(411)
Fair Value	268,696	302,234
CLO [Member]
Available-for-sale Securities [Abstract]
Amortized Cost	361,323	425,083
Unrealized Gains	2,026	2,826
Unrealized Losses	(224)	(519)
Fair Value	363,125	427,390
Single issuer trust preferred securities [Member]
Available-for-sale Securities [Abstract]
Amortized Cost	30,434	30,381
Unrealized Gains	891	0
Unrealized Losses	(123)	(1,748)
Fair Value	31,202	28,633
Corporate debt securities [Member]
Available-for-sale Securities [Abstract]
Amortized Cost	107,228	108,490
Unrealized Gains	906	1,502
Unrealized Losses	(54)	(350)
Fair Value	108,080	109,642
Municipal bonds and notes [Member]
Held-to-maturity Securities [Abstract]
Amortized Cost	688,913	655,813
Unrealized Gains	5,111	4,389
Unrealized Losses	(14,605)	(25,749)
Fair Value	679,419	634,453
Private Label MBS [Member]
Held-to-maturity Securities [Abstract]
Amortized Cost	604	1,677
Unrealized Gains	3	12
Unrealized Losses	0	0
Fair Value	$ 607	$ 1,689

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Investment Securities (Other Than Temporary Impairment Credit Losses Recognized In Earnings) (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Roll Forward]
Balance of OTTI, beginning of period	$ 3,231	$ 3,437	$ 3,243	$ 3,288
Reduction for securities sold, called	(126)	0	(138)	0
Additions for OTTI not previously recognized in earnings	126	0	126	149
Balance of OTTI, end of period	$ 3,231	$ 3,437	$ 3,231	$ 3,437

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Investment Securities (Summary Of Gross Unrealized Losses Not Considered OTTI) (Detail) $ in Thousands	Jun. 30, 2017 USD ($) holding	Dec. 31, 2016 USD ($) holding
Schedule of Investments [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	$ 1,250,149	$ 1,236,547
Available for sale, Unrealized Losses - Less Than Twelve Months	(25,807)	(27,316)
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	358,432	470,314
Available for sale, Unrealized Losses - Twelve Months or Longer	$ (10,171)	$ (13,582)
Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions | holding	165	168
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	$ 1,608,581	$ 1,706,861
Available for sale, Unrealized Losses - Total	(35,978)	(40,898)
Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	2,261,483	2,351,350
Held-to-maturity, Unrealized Losses - Less Than Twelve Months	(44,991)	(63,785)
Held-to-maturity Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	335,335	292,225
Held-to-maturity, Unrealized Losses, Twelve Months or Longer	$ (10,878)	$ (9,315)
Held-to-maturity, Number of Holdings - Total | holding	358	395
Held-to-maturity, Fair Value - Total	$ 2,596,818	$ 2,643,575
Held-to-maturity, Unrealized Losses - Total	(55,869)	(73,100)
Agency CMO [Member]
Schedule of Investments [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	90,691	107,853
Available for sale, Unrealized Losses - Less Than Twelve Months	(1,941)	(2,168)
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	60,635	67,351
Available for sale, Unrealized Losses - Twelve Months or Longer	$ (1,182)	$ (1,335)
Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions | holding	16	15
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	$ 151,326	$ 175,204
Available for sale, Unrealized Losses - Total	(3,123)	(3,503)
Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	98,593	163,439
Held-to-maturity, Unrealized Losses - Less Than Twelve Months	(2,288)	(3,339)
Held-to-maturity Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	51,844	17,254
Held-to-maturity, Unrealized Losses, Twelve Months or Longer	$ (882)	$ (485)
Held-to-maturity, Number of Holdings - Total | holding	15	16
Held-to-maturity, Fair Value - Total	$ 150,437	$ 180,693
Held-to-maturity, Unrealized Losses - Total	(3,170)	(3,824)
Agency MBS [Member]
Schedule of Investments [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	463,242	512,075
Available for sale, Unrealized Losses - Less Than Twelve Months	(8,396)	(10,503)
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	250,375	252,779
Available for sale, Unrealized Losses - Twelve Months or Longer	$ (8,488)	$ (9,006)
Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions | holding	101	97
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	$ 713,617	$ 764,854
Available for sale, Unrealized Losses - Total	(16,884)	(19,509)
Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	1,315,939	1,394,623
Held-to-maturity, Unrealized Losses - Less Than Twelve Months	(27,429)	(32,942)
Held-to-maturity Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	252,535	273,779
Held-to-maturity, Unrealized Losses, Twelve Months or Longer	$ (7,686)	$ (8,826)
Held-to-maturity, Number of Holdings - Total | holding	149	150
Held-to-maturity, Fair Value - Total	$ 1,568,474	$ 1,668,402
Held-to-maturity, Unrealized Losses - Total	(35,115)	(41,768)
Agency CMBS [Member]
Schedule of Investments [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	582,194	554,246
Available for sale, Unrealized Losses - Less Than Twelve Months	(15,154)	$ (14,567)
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	4,908
Available for sale, Unrealized Losses - Twelve Months or Longer	$ (190)
Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions | holding	34	32
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	$ 587,102	$ 554,246
Available for sale, Unrealized Losses - Total	(15,344)	(14,567)
Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	493,652	347,725
Held-to-maturity, Unrealized Losses - Less Than Twelve Months	$ (2,727)	$ (1,348)
Held-to-maturity, Number of Holdings - Total | holding	39	25
Held-to-maturity, Fair Value - Total	$ 493,652	$ 347,725
Held-to-maturity, Unrealized Losses - Total	(2,727)	(1,348)
Non-agency CMBS [Member]
Schedule of Investments [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	43,970	12,427
Available for sale, Unrealized Losses - Less Than Twelve Months	(30)	(24)
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	19,804	63,930
Available for sale, Unrealized Losses - Twelve Months or Longer	$ (196)	$ (678)
Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions | holding	6	12
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	$ 63,774	$ 76,357
Available for sale, Unrealized Losses - Total	(226)	(702)
Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	38,756	60,768
Held-to-maturity, Unrealized Losses - Less Than Twelve Months	$ (252)	$ (411)
Held-to-maturity, Number of Holdings - Total | holding	7	8
Held-to-maturity, Fair Value - Total	$ 38,756	$ 60,768
Held-to-maturity, Unrealized Losses - Total	(252)	(411)
CLO [Member]
Schedule of Investments [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	58,674	49,946
Available for sale, Unrealized Losses - Less Than Twelve Months	(203)	(54)
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	16,263	50,237
Available for sale, Unrealized Losses - Twelve Months or Longer	$ (21)	$ (465)
Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions | holding	4	5
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	$ 74,937	$ 100,183
Available for sale, Unrealized Losses - Total	(224)	(519)
Single issuer trust preferred securities [Member]
Schedule of Investments [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	5,527	0
Available for sale, Unrealized Losses - Less Than Twelve Months	(53)
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	4,606	28,633
Available for sale, Unrealized Losses - Twelve Months or Longer	$ (70)	$ (1,748)
Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions | holding	2	5
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	$ 10,133	$ 28,633
Available for sale, Unrealized Losses - Total	(123)	(1,748)
Corporate Debt Securities [Member]
Schedule of Investments [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	5,851
Available for sale, Unrealized Losses - Less Than Twelve Months	(30)
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	1,841	7,384
Available for sale, Unrealized Losses - Twelve Months or Longer	$ (24)	$ (350)
Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions | holding	2	2
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	$ 7,692	$ 7,384
Available for sale, Unrealized Losses - Total	(54)	(350)
Municipal bonds and notes [Member]
Schedule of Investments [Line Items]
Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	314,543	384,795
Held-to-maturity, Unrealized Losses - Less Than Twelve Months	(12,295)	(25,745)
Held-to-maturity Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	30,956	1,192
Held-to-maturity, Unrealized Losses, Twelve Months or Longer	$ (2,310)	$ (4)
Held-to-maturity, Number of Holdings - Total | holding	148	196
Held-to-maturity, Fair Value - Total	$ 345,499	$ 385,987
Held-to-maturity, Unrealized Losses - Total	$ (14,605)	$ (25,749)

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Investment Securities (Summary Of Realized Gain (Loss) on Investments (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Gain (Loss) on Investments [Line Items]
Proceeds from sales (1)	$ 0	$ 216,071	$ 0	$ 259,273
Gross realized gains on sales	0	2,504	0	2,891
Less: Gross realized losses on sales	0	2,410		2,477
Gain on sale of investment securities, net	$ 0	$ 94	$ 0	$ 414

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Investment Securities (Summary Of Debt Securities By Contractual Maturity) (Detail) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, Fiscal Year Maturity [Abstract]
Available-for-sale, Amortized Cost - Due in one year or less	$ 77,641
Available-for-sale, Amortized Cost - Due after one year through five years	21,426
Available-for-sale, Amortized Cost - Due after five through ten years	491,037
Available-for-sale, Amortized Cost - Due after ten years	2,240,987
Available-for-sale, Amortized Cost - Total debt securities	2,831,091
Available-for-sale Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract]
Available-for-sale, Fair Value - Due in one year or less	77,882
Available-for-sale, Fair Value - Due after one year through five years	21,745
Available-for-sale, Fair Value - Due after five through ten years	493,662
Available-for-sale, Fair Value - Due after ten years	2,214,677
Available-for-sale, Fair Value - Total debt securities	2,807,966
Held-to-maturity Securities, Debt Maturities, Single Maturity Date, Amortized Cost Basis [Abstract]
Held-to-maturity, Amortized Cost - Due in one year or less	16,289
Held-to-maturity, Amortized Cost - Due after one year through five years	7,849
Held-to-maturity, Amortized Cost - Due after five through ten years	44,759
Held-to-maturity, Amortized Cost - Due after ten years	4,150,301
Amortized Cost	4,219,198	$ 4,160,658
Held-to-maturity Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract]
Held to maturity, Fair Value - Due in one year or less	16,403
Held-to-maturity, Fair Value - Due after one year through five years	7,943
Held to maturity, Fair Value - Due after five through ten years	45,623
Held to maturity, Fair Value - Due after ten years	4,127,409
Fair Value	$ 4,197,378	$ 4,125,125

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Investment Securities (Narrative) (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016	Dec. 31, 2016
Schedule of Investments [Line Items]
Additions for OTTI not previously recognized in earnings	$ 126	$ 0	$ 126	$ 149
Available-for-sale - Accumulated Gross Unrealized Losses Before Tax	(35,978)		(35,978)		$ (40,898)
Held-to-maturity Securities, Accumulated Unrecognized Holding Loss	(55,869)		(55,869)		(73,100)
Securities available-for-sale	2,807,966		2,807,966		2,991,091
Pledged Financial Instruments, Not Separately Reported, Securities	2,700,000		2,700,000		2,500,000
Agency collateralized mortgage obligations (CMOs) [Member]
Schedule of Investments [Line Items]
Available-for-sale - Accumulated Gross Unrealized Losses Before Tax	(3,123)		(3,123)		(3,503)
Held-to-maturity Securities, Accumulated Unrecognized Holding Loss	(3,170)		(3,170)		(3,824)
Securities available-for-sale	359,016		359,016		419,706
Agency MBS [Member]
Schedule of Investments [Line Items]
Available-for-sale - Accumulated Gross Unrealized Losses Before Tax	(16,884)		(16,884)		(19,509)
Held-to-maturity Securities, Accumulated Unrecognized Holding Loss	(35,115)		(35,115)		(41,768)
Securities available-for-sale	875,690		875,690		954,349
Agency CMBS [Member]
Schedule of Investments [Line Items]
Available-for-sale - Accumulated Gross Unrealized Losses Before Tax	(15,344)		(15,344)		(14,567)
Held-to-maturity Securities, Accumulated Unrecognized Holding Loss	(2,727)		(2,727)		(1,348)
Securities available-for-sale	587,102		587,102		573,272
Non-agency Commercial mortgage-backed securities (CMBS) [Member]
Schedule of Investments [Line Items]
Available-for-sale - Accumulated Gross Unrealized Losses Before Tax	(226)		(226)		(702)
Held-to-maturity Securities, Accumulated Unrecognized Holding Loss	(252)		(252)		(411)
Securities available-for-sale	479,908		479,908		477,365
CLO [Member]
Schedule of Investments [Line Items]
Available-for-sale - Accumulated Gross Unrealized Losses Before Tax	(224)		(224)		(519)
Securities available-for-sale	363,125		363,125		427,390
Single issuer trust preferred securities [Member]
Schedule of Investments [Line Items]
Available-for-sale - Accumulated Gross Unrealized Losses Before Tax	(123)		(123)		(1,748)
Securities available-for-sale	31,202		31,202		28,633
Corporate Debt Securities [Member]
Schedule of Investments [Line Items]
Available-for-sale - Accumulated Gross Unrealized Losses Before Tax	(54)		(54)		(350)
Securities available-for-sale	108,080		108,080		109,642
Municipal bonds and notes [Member]
Schedule of Investments [Line Items]
Held-to-maturity Securities, Accumulated Unrecognized Holding Loss	(14,605)		(14,605)		$ (25,749)
Callable at the option of the counterparty [Member]
Schedule of Investments [Line Items]
Securities available-for-sale	$ 1,300,000		$ 1,300,000

XML

Variable Interest Entities (Variable Interest Entity, Consolidated, Carrying Amount, Assets) (Details) - Variable Interest Entity, Not Primary Beneficiary [Member] - USD ($) $ in Millions	Jun. 30, 2017	Dec. 31, 2016
Other Assets [Member]
Variable Interest Entity [Line Items]
Variable Interest Entity, Consolidated, Carrying Amount, Assets	$ 29.2	$ 22.8
Accounts Payable and Accrued Liabilities [Member]
Variable Interest Entity [Line Items]
Variable Interest Entity, Consolidated, Carrying Amount, Liabilities	20.4	14.0
Other Investments [Member]
Variable Interest Entity [Line Items]
Variable Interest Entity, Consolidated, Carrying Amount, Assets	12.2	12.3
Unfunded Loan Commitment [Member]
Variable Interest Entity [Line Items]
Variable Interest Entity, Reporting Entity Involvement, Maximum Loss Exposure, Amount	$ 21.3	$ 19.9

XML

Loans and Leases (Detail) - USD ($) $ in Thousands	Jun. 30, 2017		Dec. 31, 2016		Jun. 30, 2016
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases	$ 17,273,678	[1],[2]	$ 17,026,588	[1],[2]	$ 16,272,029
Unamortized premiums	18,800		17,300
Pledged Financial Instruments, Not Separately Reported, Loans Receivable Pledged as Collateral	6,200,000
Residential Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases	4,388,308		4,254,682		4,156,665
Consumer Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases	2,599,318		2,684,500		2,728,452
Commercial Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases	5,144,171		4,940,931		4,577,482
Commercial Real Estate Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases	4,556,208		4,510,846		4,191,087
Finance Leases Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases	$ 585,673		$ 635,629		$ 618,343

[1] At June 30, 2017, the Company had pledged $6.2 billion of eligible residential, consumer and commercial loans as collateral to support borrowing capacity at the FHLB Boston and the FRB of Boston.

[2] Loans and leases include net deferred fees and net premiums/discounts of $18.8 million and $17.3 million at June 30, 2017 and December 31, 2016, respectively.

XML

Loans and Leases (Summary Of Loan And Lease Portfolio Aging By Class Of Loan) (Detail) - USD ($) $ in Thousands	Jun. 30, 2017		Dec. 31, 2016		Jun. 30, 2016
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Past Due	$ 195,492		$ 175,864
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	1,185		749
Financing Receivable, Recorded Investment, Nonaccrual Status	166,244		133,816
Financing Receivable, Recorded Investment, Current	17,078,186		16,850,724
Loans and leases	17,273,678	[1],[2]	17,026,588	[1],[2]	$ 16,272,029
Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Past Due	18,890		28,337
Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Past Due	9,173		12,962
Residential Portfolio Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Past Due	55,944		58,519
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	0		0
Financing Receivable, Recorded Investment, Nonaccrual Status	46,090		47,279
Financing Receivable, Recorded Investment, Current	4,332,364		4,196,163
Loans and leases	4,388,308		4,254,682		4,156,665
Residential Portfolio Segment [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Past Due	6,157		8,631
Residential Portfolio Segment [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Past Due	3,697		2,609
Consumer Portfolio Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and leases	2,599,318		2,684,500		2,728,452
Consumer Portfolio Segment [Member] | Home Equity Loan [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Past Due	50,242		50,539
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	0		0
Financing Receivable, Recorded Investment, Nonaccrual Status	38,974		35,926
Financing Receivable, Recorded Investment, Current	2,293,538		2,359,354
Loans and leases	2,343,780		2,409,893
Consumer Portfolio Segment [Member] | Home Equity Loan [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Past Due	7,961		8,831
Consumer Portfolio Segment [Member] | Home Equity Loan [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Past Due	3,307		5,782
Consumer Portfolio Segment [Member] | Consumer Borrower [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Past Due	4,397		5,381
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	0		0
Financing Receivable, Recorded Investment, Nonaccrual Status	1,272		1,663
Financing Receivable, Recorded Investment, Current	251,141		269,226
Loans and leases	255,538		274,607
Consumer Portfolio Segment [Member] | Consumer Borrower [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Past Due	1,788		2,233
Consumer Portfolio Segment [Member] | Consumer Borrower [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Past Due	1,337		1,485
Commercial Portfolio Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and leases	5,144,171		4,940,931		4,577,482
Commercial Portfolio Segment [Member] | Commercial and Industrial Sector [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Past Due	71,283		40,898
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	1,185		749
Financing Receivable, Recorded Investment, Nonaccrual Status	68,181		38,190
Financing Receivable, Recorded Investment, Current	4,211,685		4,094,727
Loans and leases	4,282,968		4,135,625
Commercial Portfolio Segment [Member] | Asset Based Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Past Due	0		0
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	0		0
Financing Receivable, Recorded Investment, Nonaccrual Status	0		0
Financing Receivable, Recorded Investment, Current	861,203		805,306
Loans and leases	861,203		805,306
Commercial Portfolio Segment [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] | Commercial and Industrial Sector [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Past Due	1,269		1,382
Commercial Portfolio Segment [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] | Asset Based Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Past Due	0		0
Commercial Portfolio Segment [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] | Commercial and Industrial Sector [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Past Due	648		577
Commercial Portfolio Segment [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] | Asset Based Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Past Due	0		0
Commercial Real Estate Portfolio Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and leases	4,556,208		4,510,846		4,191,087
Commercial Real Estate Portfolio Segment [Member] | Construction Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Past Due	543		662
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	0		0
Financing Receivable, Recorded Investment, Nonaccrual Status	543		662
Financing Receivable, Recorded Investment, Current	361,312		374,398
Loans and leases	361,855		375,060
Commercial Real Estate Portfolio Segment [Member] | Construction Loans [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Past Due	0		0
Commercial Real Estate Portfolio Segment [Member] | Construction Loans [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Past Due	0		0
Commercial Real Estate Portfolio Segment [Member] | Real Estate Loan [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Past Due	11,653		18,044
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	0		0
Financing Receivable, Recorded Investment, Nonaccrual Status	10,637		9,871
Financing Receivable, Recorded Investment, Current	4,182,700		4,117,742
Loans and leases	4,194,353		4,135,786
Commercial Real Estate Portfolio Segment [Member] | Real Estate Loan [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Past Due	832		6,357
Commercial Real Estate Portfolio Segment [Member] | Real Estate Loan [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Past Due	184		1,816
Finance Leases Portfolio Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Past Due	1,430		1,821
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	0		0
Financing Receivable, Recorded Investment, Nonaccrual Status	547		225
Financing Receivable, Recorded Investment, Current	584,243		633,808
Loans and leases	585,673		635,629		$ 618,343
Finance Leases Portfolio Segment [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Past Due	883		903
Finance Leases Portfolio Segment [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Past Due	$ 0		$ 693

[1] At June 30, 2017, the Company had pledged $6.2 billion of eligible residential, consumer and commercial loans as collateral to support borrowing capacity at the FHLB Boston and the FRB of Boston.

[2] Loans and leases include net deferred fees and net premiums/discounts of $18.8 million and $17.3 million at June 30, 2017 and December 31, 2016, respectively.

XML

Loans and Leases (Narrative) (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Loans and Leases Receivable Disclosure [Abstract]
Loans and Leases Receivable, Impaired, Interest Lost on Nonaccrual Loans	$ 2.6	$ 3.0	$ 4.5	$ 5.4
Write-down of TDR's	$ (0.6)	$ (3.3)	$ (2.6)	$ (14.9)

XML

Loans and Leases (Allowance For Loan And Lease Losses By Portfolio Segment) (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017		Dec. 31, 2016		Jun. 30, 2016
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance, beginning of period	$ 199,107	$ 174,201	$ 194,320	$ 174,990
Provision (benefit) charged to expense	7,250	14,000	17,750	29,600
Charge-offs	(8,640)	(9,784)	(16,256)	(28,684)
Recoveries	1,861	2,011	3,764	4,522
Balance, end of period	199,107	174,201	194,320	174,990	$ 199,578		$ 194,320		$ 180,428
ALLL, Individually evaluated for impairment					18,236				21,133
ALLL, Collectively evaluated for impairment					181,342				159,295
Loan and lease balances, Individually evaluated for impairment					273,345				267,720
Loan and lease balances, Collectively evaluated for impairment					17,000,333				16,004,309
Loans and leases					17,273,678	[1],[2]	17,026,588	[1],[2]	16,272,029
Residential Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance, beginning of period	20,264	27,330	23,226	25,876
Provision (benefit) charged to expense	(1,621)	(2,412)	(4,088)	(85)
Charge-offs	(623)	(638)	(1,355)	(2,232)
Recoveries	407	133	644	854
Balance, end of period	20,264	27,330	23,226	25,876	18,427		23,226		24,413
ALLL, Individually evaluated for impairment					5,105				10,018
ALLL, Collectively evaluated for impairment					13,322				14,395
Loan and lease balances, Individually evaluated for impairment					117,820				127,965
Loan and lease balances, Collectively evaluated for impairment					4,270,488				4,028,700
Loans and leases					4,388,308		4,254,682		4,156,665
Consumer Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance, beginning of period	45,408	41,636	45,233	42,052
Provision (benefit) charged to expense	1,562	4,682	6,888	7,473
Charge-offs	(5,602)	(4,556)	(12,076)	(8,977)
Recoveries	1,120	1,194	2,443	2,408
Balance, end of period	45,408	41,636	45,233	42,052	42,488		45,233		42,956
ALLL, Individually evaluated for impairment					1,829				3,027
ALLL, Collectively evaluated for impairment					40,659				39,929
Loan and lease balances, Individually evaluated for impairment					47,310				47,576
Loan and lease balances, Collectively evaluated for impairment					2,552,008				2,680,876
Loans and leases					2,599,318		2,684,500		2,728,452
Commercial Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance, beginning of period	76,354	66,471	71,905	66,686
Provision (benefit) charged to expense	5,489	10,560	9,739	21,096
Charge-offs	(2,196)	(3,525)	(2,319)	(14,733)
Recoveries	317	316	639	773
Balance, end of period	76,354	66,471	71,905	66,686	79,964		71,905		73,822
ALLL, Individually evaluated for impairment					10,951				6,422
ALLL, Collectively evaluated for impairment					69,013				67,400
Loan and lease balances, Individually evaluated for impairment					83,206				59,550
Loan and lease balances, Collectively evaluated for impairment					5,060,965				4,517,932
Loans and leases					5,144,171		4,940,931		4,577,482
Commercial Real Estate Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance, beginning of period	50,727	33,318	47,477	34,889
Provision (benefit) charged to expense	1,771	1,087	5,116	968
Charge-offs	(100)	(995)	(202)	(2,521)
Recoveries	4	212	11	286
Balance, end of period	50,727	33,318	47,477	34,889	52,402		47,477		33,622
ALLL, Individually evaluated for impairment					324				1,649
ALLL, Collectively evaluated for impairment					52,078				31,973
Loan and lease balances, Individually evaluated for impairment					18,677				32,208
Loan and lease balances, Collectively evaluated for impairment					4,537,531				4,158,879
Loans and leases					4,556,208		4,510,846		4,191,087
Finance Leases Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance, beginning of period	6,354	5,446	6,479	5,487
Provision (benefit) charged to expense	49	83	95	148
Charge-offs	(119)	(70)	(304)	(221)
Recoveries	13	156	27	201
Balance, end of period	$ 6,354	$ 5,446	$ 6,479	$ 5,487	6,297		6,479		5,615
ALLL, Individually evaluated for impairment					27				17
ALLL, Collectively evaluated for impairment					6,270				5,598
Loan and lease balances, Individually evaluated for impairment					6,332				421
Loan and lease balances, Collectively evaluated for impairment					579,341				617,922
Loans and leases					$ 585,673		$ 635,629		$ 618,343

[1] At June 30, 2017, the Company had pledged $6.2 billion of eligible residential, consumer and commercial loans as collateral to support borrowing capacity at the FHLB Boston and the FRB of Boston.

[2] Loans and leases include net deferred fees and net premiums/discounts of $18.8 million and $17.3 million at June 30, 2017 and December 31, 2016, respectively.

XML

Loans and Leases (Impaired Loans And Leases By Class) (Detail) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Financing Receivable, Impaired [Line Items]
Unpaid Principal Balance	$ 298,688	$ 273,364
Total Recorded Investment	273,345	249,355
Recorded Investment No Allowance	94,125	96,795
Recorded Investment With Allowance	179,220	152,560
Related Valuation Allowance	18,236	18,593
Residential Portfolio Segment [Member]
Financing Receivable, Impaired [Line Items]
Unpaid Principal Balance	129,421	131,468
Total Recorded Investment	117,820	119,424
Recorded Investment No Allowance	27,130	21,068
Recorded Investment With Allowance	90,690	98,356
Related Valuation Allowance	5,105	8,090
Consumer Portfolio Segment [Member]
Financing Receivable, Impaired [Line Items]
Unpaid Principal Balance	52,666	52,432
Total Recorded Investment	47,310	45,719
Recorded Investment No Allowance	22,923	22,746
Recorded Investment With Allowance	24,387	22,973
Related Valuation Allowance	1,829	2,903
Commercial Portfolio Segment [Member] | Commercial and Industrial Sector [Member]
Financing Receivable, Impaired [Line Items]
Unpaid Principal Balance	90,351	57,732
Total Recorded Investment	83,206	53,037
Recorded Investment No Allowance	25,250	26,006
Recorded Investment With Allowance	57,956	27,031
Related Valuation Allowance	10,951	7,422
Commercial Real Estate Portfolio Segment [Member]
Financing Receivable, Impaired [Line Items]
Unpaid Principal Balance	19,273	24,146
Total Recorded Investment	18,135	23,568
Recorded Investment No Allowance	13,086	19,591
Recorded Investment With Allowance	5,049	3,977
Related Valuation Allowance	239	169
Commercial Real Estate Portfolio Segment [Member] | Construction Loans [Member]
Financing Receivable, Impaired [Line Items]
Unpaid Principal Balance	645	1,188
Total Recorded Investment	542	1,187
Recorded Investment No Allowance	0	1,187
Recorded Investment With Allowance	542	0
Related Valuation Allowance	85	0
Finance Leases Portfolio Segment [Member]
Financing Receivable, Impaired [Line Items]
Unpaid Principal Balance	6,332	6,398
Total Recorded Investment	6,332	6,420
Recorded Investment No Allowance	5,736	6,197
Recorded Investment With Allowance	596	223
Related Valuation Allowance	$ 27	$ 9

XML

Loans and Leases (Interest Income From Impaired Loans And Leases, By Class) (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Financing Receivable, Impaired [Line Items]
Average Recorded Investment	$ 279,256	$ 273,715	$ 261,350	$ 273,448
Accrued Interest Income	1,769	2,127	3,601	4,247
Cash Basis Interest Income	535	554	1,263	1,130
Residential Portfolio Segment [Member]
Financing Receivable, Impaired [Line Items]
Average Recorded Investment	119,398	129,049	118,622	131,207
Accrued Interest Income	1,036	1,124	2,106	2,239
Cash Basis Interest Income	286	297	701	614
Consumer Portfolio Segment [Member]
Financing Receivable, Impaired [Line Items]
Average Recorded Investment	47,296	47,836	46,514	48,001
Accrued Interest Income	335	344	657	693
Cash Basis Interest Income	249	257	562	516
Commercial Portfolio Segment [Member] | Commercial and Industrial Sector [Member]
Financing Receivable, Impaired [Line Items]
Average Recorded Investment	85,006	62,199	68,122	58,066
Accrued Interest Income	233	475	455	947
Cash Basis Interest Income	0	0	0	0
Commercial Real Estate Portfolio Segment [Member] | Real Estate [Member]
Financing Receivable, Impaired [Line Items]
Average Recorded Investment	20,454	28,737	20,851	30,575
Accrued Interest Income	98	149	233	297
Cash Basis Interest Income	0	0	0	0
Commercial Real Estate Portfolio Segment [Member] | Construction Loans [Member]
Financing Receivable, Impaired [Line Items]
Average Recorded Investment	862	5,177	865	5,177
Accrued Interest Income	0	34	12	69
Cash Basis Interest Income	0	0	0	0
Finance Leases Portfolio Segment [Member]
Financing Receivable, Impaired [Line Items]
Average Recorded Investment	6,240	717	6,376	422
Accrued Interest Income	67	1	138	2
Cash Basis Interest Income	$ 0	$ 0	$ 0	$ 0

XML

Loans and Leases (Commercial, Commercial Real Estate Loans And Equipment Financing Loans Segregated By Risk Rating Exposure) (Detail) - USD ($) $ in Thousands	Jun. 30, 2017		Dec. 31, 2016		Jun. 30, 2016
Financing Receivable, Recorded Investment [Line Items]
Loans and leases	$ 17,273,678	[1],[2]	$ 17,026,588	[1],[2]	$ 16,272,029
Commercial Portfolio Segment [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases	5,144,171		4,940,931		4,577,482
Commercial Portfolio Segment [Member] | (1) - (6) Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases	4,828,252		4,655,007
Commercial Portfolio Segment [Member] | (7) Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases	86,109		56,240
Commercial Portfolio Segment [Member] | (8) Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases	207,831		226,603
Commercial Portfolio Segment [Member] | (9) Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases	21,979		3,081
Commercial Real Estate Portfolio Segment [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases	4,556,208		4,510,846		4,191,087
Commercial Real Estate Portfolio Segment [Member] | (1) - (6) Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases	4,358,273		4,357,458
Commercial Real Estate Portfolio Segment [Member] | (7) Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases	92,245		69,023
Commercial Real Estate Portfolio Segment [Member] | (8) Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases	105,690		84,365
Commercial Real Estate Portfolio Segment [Member] | (9) Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases	0		0
Finance Leases Portfolio Segment [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases	585,673		635,629		$ 618,343
Finance Leases Portfolio Segment [Member] | (1) - (6) Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases	567,168		618,084
Finance Leases Portfolio Segment [Member] | (7) Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases	3,802		1,324
Finance Leases Portfolio Segment [Member] | (8) Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases	14,703		16,221
Finance Leases Portfolio Segment [Member] | (9) Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases	$ 0		$ 0

[1] At June 30, 2017, the Company had pledged $6.2 billion of eligible residential, consumer and commercial loans as collateral to support borrowing capacity at the FHLB Boston and the FRB of Boston.

[2] Loans and leases include net deferred fees and net premiums/discounts of $18.8 million and $17.3 million at June 30, 2017 and December 31, 2016, respectively.

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Loans and Leases (Summary Of The Recorded Investment Of Company's TDRs) (Detail) - USD ($) $ in Thousands	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015
Financing Receivable, Modifications [Line Items]
Total recorded investment of TDRs	$ 223,099		$ 223,528
Specific reserves for TDRs included in the balance of ALLL	199,578	$ 199,107	194,320	$ 180,428	$ 174,201	$ 174,990
Additional funds committed to borrowers in TDR status	4,819		459
Performing Financial Instruments [Member]
Financing Receivable, Modifications [Line Items]
Total recorded investment of TDRs	136,047		147,809
Nonperforming Financial Instruments [Member]
Financing Receivable, Modifications [Line Items]
Total recorded investment of TDRs	87,052		75,719
Nonperforming Financial Instruments [Member] | Troubled Debt Restructures [Member]
Financing Receivable, Modifications [Line Items]
Specific reserves for TDRs included in the balance of ALLL	$ 12,101		$ 14,583

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Loans and Leases (Information on How Loans and Leases were Modified as a TDR) (Detail) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2017 USD ($) loan	Jun. 30, 2016 USD ($) loan	Jun. 30, 2017 USD ($) loan	Jun. 30, 2016 USD ($) loan
Financing Receivable, Modifications [Line Items]
Number of Loans and Leases | loan		44	53	116	95
Post-Modification Recorded Investment | $	[1]	$ 14,073	$ 4,808	$ 22,727	$ 23,780
Residential Portfolio Segment [Member] | Extended Maturity [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans and Leases | loan		4	2	9	7
Post-Modification Recorded Investment | $	[1]	$ 420	$ 338	$ 1,390	$ 1,002
Residential Portfolio Segment [Member] | Adjusted Interest Rate [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans and Leases | loan		2	0	2	1
Post-Modification Recorded Investment | $	[1]	$ 335	$ 0	$ 335	$ 236
Residential Portfolio Segment [Member] | Maturity/Rate Combined [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans and Leases | loan		2	7	5	7
Post-Modification Recorded Investment | $	[1]	$ 354	$ 895	$ 846	$ 895
Residential Portfolio Segment [Member] | Other [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans and Leases | loan	[2]	7	8	26	15
Post-Modification Recorded Investment | $	[1],[2]	$ 1,176	$ 1,476	$ 4,114	$ 2,891
Consumer Portfolio Segment [Member] | Extended Maturity [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans and Leases | loan		4	6	6	7
Post-Modification Recorded Investment | $	[1]	$ 625	$ 193	$ 664	$ 292
Consumer Portfolio Segment [Member] | Maturity/Rate Combined [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans and Leases | loan		4	4	11	8
Post-Modification Recorded Investment | $	[1]	$ 830	$ 359	$ 2,813	$ 659
Consumer Portfolio Segment [Member] | Other [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans and Leases | loan	[2]	10	22	43	29
Post-Modification Recorded Investment | $	[1],[2]	$ 701	$ 839	$ 2,894	$ 1,177
Commercial Portfolio Segment [Member] | Extended Maturity [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans and Leases | loan		6	0	8	9
Post-Modification Recorded Investment | $	[1]	$ 778	$ 0	$ 813	$ 14,649
Commercial Portfolio Segment [Member] | Maturity/Rate Combined [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans and Leases | loan		5	1	5	2
Post-Modification Recorded Investment | $	[1]	$ 8,854	$ 644	$ 8,854	$ 648
Commercial Portfolio Segment [Member] | Other [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans and Leases | loan	[2]	0	3	1	7
Post-Modification Recorded Investment | $	[1],[2]	$ 0	$ 64	$ 4	$ 374
Commercial Real Estate Portfolio Segment [Member] | Maturity/Rate Combined [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans and Leases | loan		0	0	0	1
Post-Modification Recorded Investment | $	[1]	$ 0	$ 0	$ 0	$ 444
Commercial Real Estate Portfolio Segment [Member] | Other [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans and Leases | loan	[2]	0	0	0	1
Post-Modification Recorded Investment | $	[1],[2]	$ 0	$ 0	$ 0	$ 509
Finance Leases Portfolio Segment [Member] | Extended Maturity [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans and Leases | loan		0	0	0	1
Post-Modification Recorded Investment | $	[1]	$ 0	$ 0	$ 0	$ 4

[1] ost-modification balances approximate pre-modification balances. The aggregate amount of charge-offs as a result of the restructurings was not significant.

[2] ther includes covenant modifications, forbearance, loans discharged under Chapter 7 bankruptcy, or other concessions.

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Loans and Leases (Information on Loans and Leases Modified as TDR within the Previous 12 Months) (Detail) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017 USD ($) loan	Jun. 30, 2016 USD ($) loan	Jun. 30, 2017 USD ($) loan	Jun. 30, 2016 USD ($) loan
Financing Receivable, Modifications [Line Items]
Number of Loans and Leases | loan	1	3	1	3
Financing Receivable, Modifications, Subsequent Default, Recorded Investment | $	$ 23	$ 1,435	$ 23	$ 1,435
Residential Portfolio Segment [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans and Leases | loan	0	1	0	1
Financing Receivable, Modifications, Subsequent Default, Recorded Investment | $	$ 0	$ 54	$ 0	$ 54
Consumer Portfolio Segment [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans and Leases | loan	0	1	0	1
Financing Receivable, Modifications, Subsequent Default, Recorded Investment | $	$ 0	$ 18	$ 0	$ 18
Commercial Portfolio Segment [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans and Leases | loan	1	1	1	1
Financing Receivable, Modifications, Subsequent Default, Recorded Investment | $	$ 23	$ 1,363	$ 23	$ 1,363

XML

Loans and Leases (Investments in TDRs, Segregated by Risk Rating Exposure) (Detail) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Financing Receivable, Modifications [Line Items]
Total recorded investment of TDRs	$ 223,099	$ 223,528
Commerial, Commercial Real Estate, Equipment Financing TDR's [Member]
Financing Receivable, Modifications [Line Items]
Total recorded investment of TDRs	57,969	58,464
Commerial, Commercial Real Estate, Equipment Financing TDR's [Member] | (1) - (6) Pass [Member]
Financing Receivable, Modifications [Line Items]
Total recorded investment of TDRs	8,241	10,210
Commerial, Commercial Real Estate, Equipment Financing TDR's [Member] | (7) Special Mention [Member]
Financing Receivable, Modifications [Line Items]
Total recorded investment of TDRs	367	7
Commerial, Commercial Real Estate, Equipment Financing TDR's [Member] | (8) Substandard [Member]
Financing Receivable, Modifications [Line Items]
Total recorded investment of TDRs	46,705	45,509
Commerial, Commercial Real Estate, Equipment Financing TDR's [Member] | (9) Doubtful [Member]
Financing Receivable, Modifications [Line Items]
Total recorded investment of TDRs	$ 2,656	$ 2,738

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Transfers of Financial Assets (Reserve for loan repurchases) (Detail) - Reserve for Off-balance Sheet Activities [Member] - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Movement in Valuation Allowances and Reserves [Roll Forward]
Beginning balance	$ 824	$ 1,119	$ 790	$ 1,192
Provision (benefit) charged to expense	19	(127)	53	(102)
Repurchased loans and settlements charged off	0	0	0	(98)
Ending balance	$ 843	$ 992	$ 843	$ 992

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Transfers of Financial Assets (Loans sold) (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Accounts, Notes, Loans and Financing Receivable [Line Items]
Net gain on sale	$ 3,351	$ 3,753	$ 5,617	$ 7,013
Residential Mortgage [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Proceeds from sale	66,718	85,411	173,338	170,572
Loans sold with servicing rights retained	60,167	78,645	159,667	158,005
Net gain on sale	2,126	1,820	2,377	3,425
Ancillary Fee Income Generated by Servicing Financial Assets, Amount	641	808	1,409	1,439
Fair value option adjustment	$ 584	$ 1,125	$ 1,831	$ 2,149

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Transfers of Financial Assets (Mortgage Servicing Assets) (Narrative) (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Securitization or Asset-backed Financing Arrangement, Financial Asset for which Transfer is Accounted as Sale [Line Items]
Proceeds from loans not originated for sale			$ 7,445	$ 11,743
Residential Mortgage [Member]
Securitization or Asset-backed Financing Arrangement, Financial Asset for which Transfer is Accounted as Sale [Line Items]
Retained servicing rights	$ 2,600,000	$ 2,600,000	2,600,000	2,600,000
Bank servicing fees	$ 200	$ 300	400	600
Commercial Loan [Member]
Securitization or Asset-backed Financing Arrangement, Financial Asset for which Transfer is Accounted as Sale [Line Items]
Proceeds from loans not originated for sale			$ 7,400
Consumer Loan [Member]
Securitization or Asset-backed Financing Arrangement, Financial Asset for which Transfer is Accounted as Sale [Line Items]
Proceeds from loans not originated for sale				$ 11,700

XML

Transfers of Financial Assets Servicing Assets at Amortized Cost Roll Forward (Details) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Servicing Asset at Amortized Cost, Balance [Roll Forward]
Beginning Balance	$ 24,336	$ 21,004	$ 24,466	$ 20,698
Additions	2,478	2,947	4,487	4,860
Amortization	(2,106)	(2,005)	(4,245)	(3,612)
Ending Balance	$ 24,708	$ 21,946	$ 24,708	$ 21,946

XML

Goodwill and Other Intangible Assets (Gross Carrying Value And Accumulated Amortization Of Other Intangible Assets) (Detail) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 43,000	$ 43,000
Accumulated Amortization	(11,409)	(9,326)
Net Carrying Amount	31,591	33,674
Goodwill	538,373	538,373
HSA Bank [Member]
Finite-Lived Intangible Assets [Line Items]
Goodwill	21,813	21,813
Community Banking [Member]
Finite-Lived Intangible Assets [Line Items]
Goodwill	516,560	516,560
Core Deposits [Member] | HSA Bank [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	22,000	22,000
Accumulated Amortization	(7,437)	(6,162)
Net Carrying Amount	14,563	15,838
Customer Relationships [Member] | HSA Bank [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	21,000	21,000
Accumulated Amortization	(3,972)	(3,164)
Net Carrying Amount	$ 17,028	$ 17,836

XML

Goodwill and Other Intangible Assets (Schedule Of Expected Future Amortization Expense) (Detail) $ in Thousands	Jun. 30, 2017 USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]
Remainder of 2017	$ 1,980
2018	3,847
2019	3,847
2020	3,847
2021	3,847
Thereafter	$ 14,223

XML

Deposits (Summary Of Deposits) (Detail) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Non-interest-bearing:
Demand	$ 4,074,819	$ 4,021,061
Interest-bearing:
Checking	2,669,207	2,528,274
Health savings accounts	4,828,145	4,362,503
Money market	2,316,460	2,047,121
Savings	4,473,925	4,320,090
Time deposits	2,095,541	2,024,808
Total interest-bearing	16,383,278	15,282,796
Total deposits	20,458,097	19,303,857
Time deposits and interest-bearing checking, included in above balances, obtained through brokers	913,234	848,618
Time deposits, included in above balance, that meet or exceed the FDIC limit	572,231	490,721
Deposit overdrafts reclassified as loan balances	$ 1,242	$ 1,885

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Deposits (Scheduled Maturities Of Time Deposits) (Detail) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Banking and Thrift [Abstract]
Remainder of 2017	$ 522,491
2018	715,967
2019	526,115
2020	200,945
2021	107,943
Thereafter	22,080
Total time deposits	$ 2,095,541	$ 2,024,808

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Borrowings Borrowings - (Narrative) (Details) - USD ($) $ in Billions	Jun. 30, 2017	Dec. 31, 2016
Debt Disclosure [Abstract]
Total borrowings	$ 2.9	$ 4.0

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Borrowings (Summary Of Securities Sold Under Agreements To Repurchase And Other Borrowings) (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Assets Sold under Agreements to Repurchase [Line Items]
Securities sold under agreements to repurchase	$ 710,967	$ 740,526
Fed funds purchased	161,725	209,000
Securities sold under agreements to repurchase and other borrowings	$ 872,692	$ 949,526
Securities Sold under Agreements to Repurchase [Member]
Assets Sold under Agreements to Repurchase [Line Items]
Short-term Debt, Weighted Average Interest Rate, at Point in Time	1.79%	1.82%
Federal Funds Purchased [Member]
Assets Sold under Agreements to Repurchase [Line Items]
Short-term Debt, Weighted Average Interest Rate, at Point in Time	1.13%	0.46%
Federal Funds Purchased and Securities Sold under Agreements to Repurchase [Member]
Assets Sold under Agreements to Repurchase [Line Items]
Short-term Debt, Weighted Average Interest Rate, at Point in Time	1.66%	1.53%
Original maturity of one year or less [Member]
Assets Sold under Agreements to Repurchase [Line Items]
Securities sold under agreements to repurchase	$ 310,967	$ 340,526
Original maturity of one year or less [Member] | Securities Sold under Agreements to Repurchase [Member]
Assets Sold under Agreements to Repurchase [Line Items]
Short-term Debt, Weighted Average Interest Rate, at Point in Time	0.17%	0.16%
Original maturity of greater than one year, non-callable [Member]
Assets Sold under Agreements to Repurchase [Line Items]
Securities sold under agreements to repurchase	$ 400,000	$ 400,000
Original maturity of greater than one year, non-callable [Member] | Securities Sold under Agreements to Repurchase [Member]
Assets Sold under Agreements to Repurchase [Line Items]
Short-term Debt, Weighted Average Interest Rate, at Point in Time	3.04%	3.09%

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Borrowings (Federal Home Loan Advances) (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Federal Home Loan Bank, Advances, Maturity, Rolling Year [Abstract]
FHLB advances maturing within 1 year, Total Outstanding	$ 1,105,500	$ 2,130,500
FHLB advances maturing after 1 but within 2 years, Total Outstanding	175,000	200,000
FHLB advances maturing after 2 but within 3 years, Total Outstanding	153,026	128,026
FHLB advances maturing after 3 but within 4 years, Total Outstanding	175,000	175,000
FHLB advances maturing after 4 but within 5 years, Total Outstanding	150,000	200,000
FHLB advances maturing after 5 years, Total Outstanding	9,225	9,370
Federal Home Loan Bank, Advances	1,767,751	2,842,896
Premiums on advances	6	12
Federal Home Loan Bank advances	$ 1,767,757	$ 2,842,908
Federal Home Loan Bank, Advances, Weighted Average Interest Rate [Abstract]
FHLB advances maturing within 1 year, Weighted Average Contractual Coupon Rate (as a percent)	1.21%	0.71%
FHLB advances maturing after 1 but within 2 years, Weighted Average Contractual Coupon Rate (as a percent)	1.45%	1.36%
FHLB advances maturing after 2 but within 3 years, Weighted Average Contractual Coupon Rate (as a percent)	1.78%	1.73%
FHLB advances maturing after 3 but within 4 years, Weighted Average Contractual Coupon Rate (as a percent)	1.72%	1.77%
FHLB advances maturing after 4 but within 5 years, Weighted Average Contractual Coupon Rate (as a percent)	2.23%	1.81%
FHLB advances maturing after 5 years, Weighted Average Contractual Coupon Rate (as a percent)	2.59%	2.59%
Federal Home Loan Bank, Advances, Weighted Average Contractual Coupon Rate (as a percent)	1.43%	0.95%
Pledged Financial Instruments, Not Separately Reported, Loans Receivable, for Federal Home Loan Bank Debt	$ 5,835,397	$ 5,967,318
Remaining borrowing capacity	$ 2,066,318	$ 1,192,758

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Borrowings (Long Term Debt) (Details) - USD ($)		Jun. 30, 2017	Dec. 31, 2016
Debt Instrument [Line Items]
Notes and subordinated debt		$ 227,320,000	$ 227,320,000
Debt issuance cost on senior fixed-rates		(894,000)	(961,000)
Long-term debt		$ 225,640,000	$ 225,514,000
Variable interest rate		4.22%	3.94%
London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument [Line Items]
Basis spread on variable rate		2.95%
Long-term Debt [Member]
Debt Instrument [Line Items]
Discount on senior fixed-rate notes		$ (786,000)	$ (845,000)
4.375% Senior fixed-rate notes due February 15, 2024 [Member]
Debt Instrument [Line Items]
Senior notes, interest rate (as a percent)		4.375%
Notes and subordinated debt		$ 150,000,000	150,000,000
Junior subordinated debt Webster Statutory Trust I floating-rate notes due September 17, 2033 [Member]
Debt Instrument [Line Items]
Notes and subordinated debt	[1]	$ 77,320,000	$ 77,320,000

[1] The interest rate on Webster Statutory Trust I floating-rate notes, which varies quarterly based on 3-month LIBOR plus 2.95%, was 4.22% at June 30, 2017 and 3.94% at December 31, 2016.

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Accumulated Other Comprehensive Loss, Net of Tax (Schedule of Other Comprehensive Income (Loss)) (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	$ (77,027)	$ (70,397)	$ (76,993)	$ (78,106)
OCI/OCL before reclassifications	2,728	10,566	564	15,728
Amounts reclassified from AOCL	2,217	2,320	4,347	4,867
Other comprehensive income (loss), net of tax	(4,945)	(12,886)	(4,911)	(20,595)
Ending balance	(72,082)	(57,511)	(72,082)	(57,511)
Available For Sale and Transferred Securities [Member]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(17,701)	1,098	(15,476)	(6,407)
OCI/OCL before reclassifications	3,200	11,324	975	18,938
Amounts reclassified from AOCL	0	(59)	0	(168)
Other comprehensive income (loss), net of tax	(3,200)	(11,265)	(975)	(18,770)
Ending balance	(14,501)	12,363	(14,501)	12,363
Derivative Instruments [Member]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(15,909)	(23,932)	(17,068)	(22,980)
OCI/OCL before reclassifications	(472)	(758)	(411)	(3,210)
Amounts reclassified from AOCL	1,123	1,284	2,221	2,784
Other comprehensive income (loss), net of tax	(651)	(526)	(1,810)	426
Ending balance	(15,258)	(23,406)	(15,258)	(23,406)
Defined Benefit Pension and Other Postretirement Benefit Plans [Member]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(43,417)	(47,563)	(44,449)	(48,719)
OCI/OCL before reclassifications	0	0	0	0
Amounts reclassified from AOCL	1,094	1,095	2,126	2,251
Other comprehensive income (loss), net of tax	(1,094)	(1,095)	(2,126)	(2,251)
Ending balance	$ (42,323)	$ (46,468)	$ (42,323)	$ (46,468)

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Accumulated Other Comprehensive Loss, Net of Tax (Schedule of Accumulated Other Comprehensive Loss) (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Impairment loss recognized in earnings	$ (126)	$ 0	$ (126)	$ (149)
Income (loss) before income tax expense	90,669	75,202	172,091	145,683
Income tax expense	(29,090)	(24,599)	(51,041)	(48,033)
Earnings applicable to common shareholders	59,485	48,398	116,826	93,282
Net of tax	(2,217)	(2,320)	(4,347)	(4,867)
Accumulated Net Investment Gain (Loss) Including Portion Attributable to Noncontrolling Interest [Member] | Reclassification out of accumualted comprehensive income [Member]
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Gain on sale of investment securities, net	0	94	0	414
Impairment loss recognized in earnings	0	0	0	(149)
Income (loss) before income tax expense	0	94	0	265
Accumulated Net Investment Gain (Loss) Attributable to Parent [Member]
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Net of tax	0	59	0	168
Accumulated Net Investment Gain (Loss) Attributable to Parent [Member] | Reclassification out of accumualted comprehensive income [Member]
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Income tax expense	0	(35)	0	(97)
Earnings applicable to common shareholders	0	59	0	168
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Net of tax	(1,123)	(1,284)	(2,221)	(2,784)
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member] | Reclassification out of accumualted comprehensive income [Member]
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Income tax expense	648	740	1,285	1,605
Earnings applicable to common shareholders	(1,123)	(1,284)	(2,221)	(2,784)
Total interest expense	(1,771)	(2,024)	(3,506)	(4,389)
Accumulated Defined Benefit Plans Adjustment, Net Unamortized Gain (Loss) [Member]
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Total before tax	(1,734)	(1,734)	(3,372)	(3,563)
Accumulated Defined Benefit Plans Adjustment, Net Prior Service Cost (Credit) [Member]
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Total before tax	0	(3)	0	(7)
Defined benefit pension and postretirement benefit plans [Member]
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Total before tax	(1,734)	(1,737)	(3,372)	(3,570)
Income tax expense	640	642	1,246	1,319
Net of tax	$ (1,094)	$ (1,095)	$ (2,126)	$ (2,251)

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Regulatory Matters (Information On The Capital Ratios) (Detail) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Dec. 31, 2016
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Common Equity Tier One Capital	$ 2,000,421		$ 1,932,171
Common Equity Tier One Capital Ratio	10.84%		10.52%
Common Equity Tier One Capital Required for Capital Adequacy	$ 830,190		$ 826,504
Common Equity Tier One Capital Required to be Well-Capitalized	1,199,163		1,193,840
Total risk-based capital, Actual Amount	$ 2,402,573		$ 2,328,808
Total risk-based capital, Actual Ratio	13.02%		12.68%
Total risk-based capital, Capital Requirements, Minimum Amount	$ 1,475,893		$ 1,469,341
Total risk-based capital, Capital Requirements, Minimum Ratio	8.00%		8.00%
Total risk-based capital, Capital Requirements, Well Capitalized Amount	$ 1,844,867		$ 1,836,677
Total risk-based capital, Capital Requirements, Well Capitalized Ratio	10.00%		10.00%
Tier 1 capital, Actual Amount	$ 2,123,131		$ 2,054,881
Tier 1 capital, Actual Ratio	11.51%		11.19%
Tier 1 capital, Capital Requirements, Minimum Amount	$ 1,106,920		$ 1,102,006
Tier 1 capital, Capital Requirements, Minimum Ratio	6.00%		6.00%
Tier 1 capital, Capital Requirements, Well Capitalized Amount	$ 1,475,893		$ 1,469,341
Tier 1 capital, Capital Requirements, Well Capitalized Ratio	8.00%		8.00%
Tier 1 leverage capital ratio, Actual Amount	$ 2,123,131		$ 2,054,881
Tier 1 leverage capital ratio, Actual Ratio	8.28%		8.13%
Tier 1 leverage capital ratio, Capital Requirements, Minimum Amount	$ 1,025,965		$ 1,010,857
Tier 1 leverage capital ratio, Capital Requirements, Minimum Ratio	4.00%		4.00%
Tier 1 leverage capital ratio, Capital Requirements, Well Capitalized Amount	$ 1,282,457		$ 1,263,571
Tier 1 leverage capital ratio, Capital Requirements, Well Capitalized Ratio	5.00%		5.00%
Dividends paid	$ 30,000	$ 85,000
Subsidiaries [Member]
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Common Equity Tier One Capital	$ 2,042,747		$ 1,945,332
Common Equity Tier One Capital Ratio	11.08%		10.61%
Common Equity Tier One Capital Required for Capital Adequacy	$ 829,365		$ 825,228
Common Equity Tier One Capital Required to be Well-Capitalized	1,197,972		1,191,995
Total risk-based capital, Actual Amount	$ 2,244,869		$ 2,141,939
Total risk-based capital, Actual Ratio	12.18%		11.68%
Total risk-based capital, Capital Requirements, Minimum Amount	$ 1,474,427		$ 1,467,071
Total risk-based capital, Capital Requirements, Minimum Ratio	8.00%		8.00%
Total risk-based capital, Capital Requirements, Well Capitalized Amount	$ 1,843,034		$ 1,833,839
Total risk-based capital, Capital Requirements, Well Capitalized Ratio	10.00%		10.00%
Tier 1 capital, Actual Amount	$ 2,042,747		$ 1,945,332
Tier 1 capital, Actual Ratio	11.08%		10.61%
Tier 1 capital, Capital Requirements, Minimum Amount	$ 1,105,821		$ 1,100,304
Tier 1 capital, Capital Requirements, Minimum Ratio	6.00%		6.00%
Tier 1 capital, Capital Requirements, Well Capitalized Amount	$ 1,474,427		$ 1,467,071
Tier 1 capital, Capital Requirements, Well Capitalized Ratio	8.00%		8.00%
Tier 1 leverage capital ratio, Actual Amount	$ 2,042,747		$ 1,945,332
Tier 1 leverage capital ratio, Actual Ratio	7.97%		7.70%
Tier 1 leverage capital ratio, Capital Requirements, Minimum Amount	$ 1,025,265		$ 1,010,005
Tier 1 leverage capital ratio, Capital Requirements, Minimum Ratio	4.00%		4.00%
Tier 1 leverage capital ratio, Capital Requirements, Well Capitalized Amount	$ 1,281,581		$ 1,262,507
Tier 1 leverage capital ratio, Capital Requirements, Well Capitalized Ratio	5.00%		5.00%
Cash Pass-through Reserve, Federal Home Loan Bank	$ 71,000		$ 58,600
Risk Based Capital Required for Capital Adequacy to Risk Weighted Assets [Member]
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Common Equity Tier One Capital Ratio	4.50%		4.50%
Risk Based Capital Required for Capital Adequacy to Risk Weighted Assets [Member] | Subsidiaries [Member]
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Common Equity Tier One Capital Ratio	4.50%		4.50%
Risk Based Capital Required to be Well Capitalized to Risk Weighted Assets [Member]
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Common Equity Tier One Capital Ratio	6.50%		6.50%
Risk Based Capital Required to be Well Capitalized to Risk Weighted Assets [Member] | Subsidiaries [Member]
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Common Equity Tier One Capital Ratio	6.50%		6.50%

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Earnings Per Common Share (Earnings Per Share Basic And Diluted) (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Earnings for basic and diluted earnings per common share:
Net income	$ 61,579	$ 50,603	$ 121,050	$ 97,650
Less: Preferred stock dividends	2,024	2,024	4,048	4,048
Undistributed Earnings, Basic	59,555	48,579	117,002	93,602
Net income available to common shareholders	59,555	48,579	117,002	93,602
Less: Earnings applicable to participating securities	70	181	176	320
Less: Earnings applicable to participating securities	70	181	176	320
Earnings applicable to common shareholders	59,485	48,398	116,826	93,282
Earnings applicable to common shareholders	$ 59,485	$ 48,398	$ 116,826	$ 93,282
Shares:
Weighted average common shares outstanding - basic (in shares)	92,092	91,244	91,989	91,247
Effect of dilutive securities:
Stock options and restricted stock (in shares)	397	475	475	453
Warrants (in shares)	6	26	6	26
Weighted-average common shares outstanding - diluted (in shares)	92,495	91,745	92,470	91,726
Earnings per common share:
Basic (in dollars per share)	$ 0.65	$ 0.53	$ 1.27	$ 1.02
Diluted (in dollars per share)	$ 0.64	$ 0.53	$ 1.26	$ 1.02

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Earnings Per Common Share Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share (Details) - shares shares in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Stock options (shares with exercise price greater than market price) [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	0	172	0	172
Restricted stock (due to performance conditions on non-participating shares) [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	79	194	60	188

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Derivative Financial Instruments (Schedule fair value of derivative instruments) (Detail) - USD ($) $ in Thousands		Jun. 30, 2017	Dec. 31, 2016
Derivatives, Fair Value [Line Items]
Derivative instrument assets, Gross Amount		$ 6,517	$ 35,727
Asset Derivatives, Fair Value, Less: Cash collateral posted		30,700
Derivative Asset		1,035	0
Liability Derivatives, Fair Value, Gross Liability		4,987	25,300
Liability Derivatives, Fair Value, Less: Cash collateral posted		2,600
Derivative liability		186	446
Subject to and not subject to Master Netting Agreements [Member]
Derivatives, Fair Value [Line Items]
Asset Derivatives, Notional Amounts		4,357,306	4,104,713
Derivative Asset, Fair Value, Gross Asset Including Not Subject to Master Netting Arrangement		48,659	77,637
Asset Derivatives, Fair Value, Less: Legally enforceable master netting agreements		3,802	24,252
Asset Derivatives, Fair Value, Less: Cash collateral posted		1,680	11,475
Derivative Asset		43,177	41,910
Liability Derivatives, Notional Amount		2,995,879	2,956,313
Derivative Liability, Fair Value, Gross Liability Including Not Subject to Master Netting Arrangement		21,445	45,189
Liability Derivatives, Fair Value, Less: Legally enforceable master netting agreements		3,802	24,254
Liability Derivatives, Fair Value, Less: Cash collateral posted		999	600
Derivative liability		16,644	20,335
Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative instrument assets, Gross Amount		2,198	3,270
Asset Derivatives, Fair Value, Less: Legally enforceable master netting agreements		1,046	2,335
Asset Derivatives, Fair Value, Less: Cash collateral posted		398	935
Derivative Asset		754	0
Liability Derivatives, Fair Value, Gross Liability		367	792
Liability Derivatives, Fair Value, Less: Legally enforceable master netting agreements		367	792
Liability Derivatives, Fair Value, Less: Cash collateral posted		0	0
Derivative liability		0	0
Designated as Hedging Instrument [Member] | Derivatives Subject to Master Netting Arrangement or Similar Arrangement [Member] | Interest rate derivatives [Member]
Derivatives, Fair Value [Line Items]
Asset Derivatives, Notional Amounts	[1]	225,000	225,000
Derivative instrument assets, Gross Amount	[1]	2,198	3,270
Liability Derivatives, Notional Amount	[1]	100,000	100,000
Liability Derivatives, Fair Value, Gross Liability	[1]	367	792
Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative instrument assets, Gross Amount		4,319	32,457
Asset Derivatives, Fair Value, Less: Legally enforceable master netting agreements		2,756	21,917
Asset Derivatives, Fair Value, Less: Cash collateral posted		1,282	10,540
Derivative Asset		281	0
Liability Derivatives, Fair Value, Gross Liability		4,620	24,508
Liability Derivatives, Fair Value, Less: Legally enforceable master netting agreements		3,435	23,462
Liability Derivatives, Fair Value, Less: Cash collateral posted		999	600
Derivative liability		186	446
Not Designated as Hedging Instrument [Member] | Derivatives Subject to Master Netting Arrangement or Similar Arrangement [Member] | Interest rate derivatives [Member]
Derivatives, Fair Value [Line Items]
Asset Derivatives, Notional Amounts	[1]	2,132,888	1,943,485
Derivative instrument assets, Gross Amount	[1]	6,740	32,226
Liability Derivatives, Notional Amount	[1]	1,205,406	1,242,937
Liability Derivatives, Fair Value, Gross Liability	[1]	4,224	24,388
Not Designated as Hedging Instrument [Member] | Derivatives Subject to Master Netting Arrangement or Similar Arrangement [Member] | Other [Member]
Derivatives, Fair Value [Line Items]
Asset Derivatives, Notional Amounts	[1]	3,566	10,634
Derivative instrument assets, Gross Amount	[1]	109	231
Liability Derivatives, Notional Amount	[1]	22,588	14,265
Liability Derivatives, Fair Value, Gross Liability	[1]	395	120
Not Designated as Hedging Instrument [Member] | Derivatives Not Subject to Master Netting Arrangement or Similar Arrangement [Member]
Derivatives, Fair Value [Line Items]
Asset Derivatives, Notional Amounts		4,132,306	3,879,713
Asset Derivatives, Fair Value, Positions not subject to master netting agreement		46,461	74,367
Liability Derivatives, Notional Amount		2,895,879	2,856,313
Liability Derivatives, Fair Value, Positions not subject to master netting agreement		21,078	44,397
Not Designated as Hedging Instrument [Member] | Derivatives Not Subject to Master Netting Arrangement or Similar Arrangement [Member] | Interest rate derivatives [Member]
Derivatives, Fair Value [Line Items]
Asset Derivatives, Notional Amounts		1,822,285	1,734,679
Asset Derivatives, Fair Value, Positions not subject to master netting agreement		38,495	38,668
Liability Derivatives, Notional Amount		1,516,009	1,451,762
Liability Derivatives, Fair Value, Positions not subject to master netting agreement		15,915	19,001
Not Designated as Hedging Instrument [Member] | Derivatives Not Subject to Master Netting Arrangement or Similar Arrangement [Member] | RPAs [Member] | RPA-Out [Member]
Derivatives, Fair Value [Line Items]
Asset Derivatives, Notional Amounts		85,447	86,037
Asset Derivatives, Fair Value, Positions not subject to master netting agreement		119	139
Not Designated as Hedging Instrument [Member] | Derivatives Not Subject to Master Netting Arrangement or Similar Arrangement [Member] | RPAs [Member] | RPA-In [Member]
Derivatives, Fair Value [Line Items]
Liability Derivatives, Notional Amount		97,528	87,273
Liability Derivatives, Fair Value, Positions not subject to master netting agreement		145	166
Not Designated as Hedging Instrument [Member] | Derivatives Not Subject to Master Netting Arrangement or Similar Arrangement [Member] | Mortgage Banking Derivatives [Member] | RPA-Out [Member]
Derivatives, Fair Value [Line Items]
Asset Derivatives, Notional Amounts		88,120	103,440
Asset Derivatives, Fair Value, Positions not subject to master netting agreement		998	3,084
Not Designated as Hedging Instrument [Member] | Derivatives Not Subject to Master Netting Arrangement or Similar Arrangement [Member] | Mortgage Banking Derivatives [Member] | RPA-In [Member]
Derivatives, Fair Value [Line Items]
Liability Derivatives, Notional Amount		52,491	59,895
Liability Derivatives, Fair Value, Positions not subject to master netting agreement		293	711
Not Designated as Hedging Instrument [Member] | Derivatives Not Subject to Master Netting Arrangement or Similar Arrangement [Member] | Other [Member]
Derivatives, Fair Value [Line Items]
Asset Derivatives, Notional Amounts		0	1,438
Asset Derivatives, Fair Value, Positions not subject to master netting agreement		0	19
Liability Derivatives, Notional Amount		1,857	181
Liability Derivatives, Fair Value, Positions not subject to master netting agreement		106	$ 11
Loan Origination Commitments [Member]
Derivatives, Fair Value [Line Items]
Other Commitment		77,900
Interest Rate Lock Commitments [Member]
Derivatives, Fair Value [Line Items]
Other Commitment		$ 22,800

[1] One of Webster's counterparty relationships was impacted by a Chicago Mercantile Exchange rulebook amendment, resulting in the presentation of that relationship on a settlement basis, as a single unit of account at June 30, 2017, versus a netting basis at December 31, 2016.

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Derivative Financial Instruments (Schedule of the changes in the fair value of non-hedge accounting derivatives) (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) on Fair Value Hedges Recognized in Earnings	$ 174	$ 3,461	$ (1,909)	$ 4,994
Interest Rate Derivatives [Member] | Operating Expense [Member] | Not Designated as Hedging Instrument [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) on Fair Value Hedges Recognized in Earnings	30	3,574	279	5,907
RPA [Member] | Operating Expense [Member] | Not Designated as Hedging Instrument [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) on Fair Value Hedges Recognized in Earnings	53	(167)	106	(253)
Mortgage Banking Derivatives [Member] | Operating Expense [Member] | Not Designated as Hedging Instrument [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) on Fair Value Hedges Recognized in Earnings	374	(162)	(1,667)	(363)
Other [Member] | Operating Expense [Member] | Not Designated as Hedging Instrument [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) on Fair Value Hedges Recognized in Earnings	$ (283)	$ 216	$ (627)	$ (297)

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Derivative Financial Instruments (AOCI Related to Cash Flow Hedges) (Narrative) (Detail) - Cash Flow Hedging [Member] $ in Millions	6 Months Ended
	Jun. 30, 2017 USD ($)
Derivative Instruments, Gain (Loss) [Line Items]
Estimate of amount to be reclassified from AOCL	$ (6.3)
Remaining unamortized gain (loss) on termination of cash flow hedges	(18.1)
Designated as Hedging Instrument [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Estimate of amount to be reclassified from AOCL	$ 1.3

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Derivative Financial Instruments (Offsetting Derivatives) (Detail) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Derivative [Line Items]
Derivative instrument assets, Gross Amount	$ 6,517	$ 35,727
Derivative instrument asset, Amount Offset	(30,700)
Derivative Asset	1,035	0
Liability Derivatives, Fair Value, Gross Liability	4,987	25,300
Derivative Liability, Collateral, Right to Reclaim Cash, Offset	(2,600)
Derivative liability	186	446
Hedge Accounting Positions [Member]
Derivative [Line Items]
Derivative instrument assets, Gross Amount	2,198	3,270
Derivative instrument asset, Amount Offset, Total	(1,046)	(2,335)
Derivative instrument asset, Amount Offset	(398)	(935)
Derivative Asset	754	0
Liability Derivatives, Fair Value, Gross Liability	367	792
Derivative instrument liability, Amount Offset, Total	(367)	(792)
Derivative Liability, Collateral, Right to Reclaim Cash, Offset	0	0
Derivative liability	0	0
Non-Hedged Accounting Positions [Member]
Derivative [Line Items]
Derivative instrument assets, Gross Amount	4,319	32,457
Derivative instrument asset, Amount Offset, Total	(2,756)	(21,917)
Derivative instrument asset, Amount Offset	(1,282)	(10,540)
Derivative Asset	281	0
Liability Derivatives, Fair Value, Gross Liability	4,620	24,508
Derivative instrument liability, Amount Offset, Total	(3,435)	(23,462)
Derivative Liability, Collateral, Right to Reclaim Cash, Offset	(999)	(600)
Derivative liability	186	446
Subject to and not subject to Master Netting Agreements [Member]
Derivative [Line Items]
Derivative instrument asset, Amount Offset, Total	(3,802)	(24,252)
Derivative instrument asset, Amount Offset	(1,680)	(11,475)
Derivative Asset	43,177	41,910
Derivative instrument liability, Amount Offset, Total	(3,802)	(24,254)
Derivative Liability, Collateral, Right to Reclaim Cash, Offset	(999)	(600)
Derivative liability	$ 16,644	$ 20,335

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Derivative Financial Instruments (Counterparty Credit Risk Narrative) (Detail) $ in Millions	Jun. 30, 2017 USD ($)
Derivative [Line Items]
Derivative, Collateral, Right to Reclaim Cash	$ 28.1
Derivative Asset, Collateral, Obligation to Return Cash, Offset	30.7
Derivative Liability, Collateral, Right to Reclaim Cash, Offset	(2.6)
Credit Derivative, Maximum Exposure, Undiscounted	38.5
Market Approach Valuation Technique [Member]
Derivative [Line Items]
Credit Derivative, Maximum Exposure, Undiscounted	$ 27.4

XML

Fair Value Measurements (Narrative) (Detail) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total credit-related financial instruments with off-balance sheet risk	$ 5,391,027	$ 5,399,762
Fair Value, Measurements, Nonrecurring [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Book value of other real estate owned (OREO) and repossessed assets	4,000
Rabbi Trust [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Other assets	2,900
Alternative investments [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Other assets	16,500
Total credit-related financial instruments with off-balance sheet risk	$ 9,100

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Fair Value Measurements (Fair Value Assets And Liabilities Measured On Recurring Basis) (Detail) - USD ($) $ in Thousands		Jun. 30, 2017	Dec. 31, 2016
Financial assets held at fair value:
Derivative Asset		$ 1,035	$ 0
Originated loans held for sale		39,407	60,260
Financial liabilities held at fair value:
Derivative liability		186	446
Alternative investments [Member]
Financial assets held at fair value:
Other assets		16,500
Fair Value, Measurements, Recurring [Member]
Financial assets held at fair value:
Total financial assets held at fair value		2,907,702	3,139,609
Financial liabilities held at fair value:
Derivative liability	[1]	21,445	45,189
Fair Value, Measurements, Recurring [Member] | Derivative instruments [Member]
Financial assets held at fair value:
Derivative Asset	[1]	48,659	77,637
Fair Value, Measurements, Recurring [Member] | Available-for-sale Investment Securities [Member]
Financial assets held at fair value:
Available for sale investment securities		2,807,966	2,991,091
Fair Value, Measurements, Recurring [Member] | US Treasury Bill Securities [Member]
Financial assets held at fair value:
Available for sale investment securities		3,843	734
Fair Value, Measurements, Recurring [Member] | Agency CMO [Member]
Financial assets held at fair value:
Available for sale investment securities		359,016	419,706
Fair Value, Measurements, Recurring [Member] | Agency MBS [Member]
Financial assets held at fair value:
Available for sale investment securities		875,690	954,349
Fair Value, Measurements, Recurring [Member] | Agency CMBS [Member]
Financial assets held at fair value:
Available for sale investment securities		587,102	573,272
Fair Value, Measurements, Recurring [Member] | CMBS [Member]
Financial assets held at fair value:
Available for sale investment securities		479,908	477,365
Fair Value, Measurements, Recurring [Member] | CLO [Member]
Financial assets held at fair value:
Available for sale investment securities		363,125	427,390
Fair Value, Measurements, Recurring [Member] | Single issuer trust preferred securities [Member]
Financial assets held at fair value:
Available for sale investment securities		31,202	28,633
Fair Value, Measurements, Recurring [Member] | Corporate debt securities [Member]
Financial assets held at fair value:
Available for sale investment securities		108,080	109,642
Fair Value, Measurements, Recurring [Member] | Investments held In Rabbi Trust [Member]
Financial assets held at fair value:
Other assets		5,083	5,119
Fair Value, Measurements, Recurring [Member] | Alternative investments [Member]
Financial assets held at fair value:
Other assets		6,587	5,502
Fair Value, Measurements, Recurring [Member] | Loan Origination Commitments [Member]
Financial assets held at fair value:
Originated loans held for sale		39,407	60,260
Fair Value, Measurements, Recurring [Member] | Quoted Prices in Active Markets For Identical Assets (Level 1) [Member]
Financial assets held at fair value:
Total financial assets held at fair value		9,035	6,103
Financial liabilities held at fair value:
Derivative liability	[1]	489	120
Fair Value, Measurements, Recurring [Member] | Quoted Prices in Active Markets For Identical Assets (Level 1) [Member] | Derivative instruments [Member]
Financial assets held at fair value:
Derivative Asset	[1]	109	250
Fair Value, Measurements, Recurring [Member] | Quoted Prices in Active Markets For Identical Assets (Level 1) [Member] | Available-for-sale Investment Securities [Member]
Financial assets held at fair value:
Available for sale investment securities		3,843	734
Fair Value, Measurements, Recurring [Member] | Quoted Prices in Active Markets For Identical Assets (Level 1) [Member] | US Treasury Bill Securities [Member]
Financial assets held at fair value:
Available for sale investment securities		3,843	734
Fair Value, Measurements, Recurring [Member] | Quoted Prices in Active Markets For Identical Assets (Level 1) [Member] | Agency CMBS [Member]
Financial assets held at fair value:
Available for sale investment securities		0	0
Fair Value, Measurements, Recurring [Member] | Quoted Prices in Active Markets For Identical Assets (Level 1) [Member] | CMBS [Member]
Financial assets held at fair value:
Available for sale investment securities		0	0
Fair Value, Measurements, Recurring [Member] | Quoted Prices in Active Markets For Identical Assets (Level 1) [Member] | Investments held In Rabbi Trust [Member]
Financial assets held at fair value:
Other assets		5,083	5,119
Fair Value, Measurements, Recurring [Member] | Quoted Prices in Active Markets For Identical Assets (Level 1) [Member] | Alternative investments [Member]
Financial assets held at fair value:
Other assets		0	0
Fair Value, Measurements, Recurring [Member] | Quoted Prices in Active Markets For Identical Assets (Level 1) [Member] | Loan Origination Commitments [Member]
Financial assets held at fair value:
Originated loans held for sale		0	0
Fair Value, Measurements, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member]
Financial assets held at fair value:
Total financial assets held at fair value		2,892,080	3,128,004
Financial liabilities held at fair value:
Derivative liability	[1]	20,956	45,069
Fair Value, Measurements, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Derivative instruments [Member]
Financial assets held at fair value:
Derivative Asset	[1]	48,550	77,387
Fair Value, Measurements, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Available-for-sale Investment Securities [Member]
Financial assets held at fair value:
Available for sale investment securities		2,804,123	2,990,357
Fair Value, Measurements, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Agency CMO [Member]
Financial assets held at fair value:
Available for sale investment securities		359,016	419,706
Fair Value, Measurements, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Agency MBS [Member]
Financial assets held at fair value:
Available for sale investment securities		875,690	954,349
Fair Value, Measurements, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Agency CMBS [Member]
Financial assets held at fair value:
Available for sale investment securities		587,102	573,272
Fair Value, Measurements, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | CMBS [Member]
Financial assets held at fair value:
Available for sale investment securities		479,908	477,365
Fair Value, Measurements, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | CLO [Member]
Financial assets held at fair value:
Available for sale investment securities		363,125	427,390
Fair Value, Measurements, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Single issuer trust preferred securities [Member]
Financial assets held at fair value:
Available for sale investment securities		31,202	28,633
Fair Value, Measurements, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Corporate debt securities [Member]
Financial assets held at fair value:
Available for sale investment securities		108,080	109,642
Fair Value, Measurements, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Alternative investments [Member]
Financial assets held at fair value:
Other assets		0	0
Fair Value, Measurements, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Loan Origination Commitments [Member]
Financial assets held at fair value:
Originated loans held for sale		39,407	60,260
Fair Value, Measurements, Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member]
Financial assets held at fair value:
Total financial assets held at fair value		6,587	5,502
Fair Value, Measurements, Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] | Derivative instruments [Member]
Financial assets held at fair value:
Derivative Asset	[1]		0
Fair Value, Measurements, Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] | Agency CMBS [Member]
Financial assets held at fair value:
Available for sale investment securities		0	0
Fair Value, Measurements, Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] | CMBS [Member]
Financial assets held at fair value:
Available for sale investment securities		0	0
Fair Value, Measurements, Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] | Alternative investments [Member]
Financial assets held at fair value:
Other assets		$ 6,587	$ 5,502

[1] or information relating to the impact of netting derivative assets and derivative liabilities as well as the impact from offsetting cash collateral paid to the same derivative counterparties see Note 12: Derivative Financial Instruments.

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Fair Value Measurements (Schedule Of Changes In Level 3 Assets And Liabilities Measured At Fair Value On A Recurring Basis) (Detail) - Equity Method Investments [Member] $ in Thousands	6 Months Ended
	Jun. 30, 2017 USD ($)
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Level 3, beginning of period, Financial Assets	$ 5,502
Unrealized gain included in net income	228
Purchases/capital funding	899
Payments	(42)
Level 3, end of period, Financial Assets	$ 6,587

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Fair Value Measurements (Schedule Of Valuation Methodology And Unobservable Inputs) (Detail) - Significant Unobservable Inputs (Level 3) [Member] - Fair Value, Measurements, Nonrecurring [Member] $ in Thousands	6 Months Ended
	Jun. 30, 2017 USD ($)
Other Real Estate Owned [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
OREO	$ 757
Market Approach Valuation Technique - Discount for cost to sell [Member] | Other Real Estate Owned [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Discount rate (as a percent)	8.00%
Impaired Loans and Leases [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Collateral dependent impaired loans and leases	$ 18,724
Impaired Loans and Leases [Member] | Market Approach Valuation Technique [Member] | Minimum [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Discount rate (as a percent)	0.00%
Impaired Loans and Leases [Member] | Market Approach Valuation Technique [Member] | Maximum [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Discount rate (as a percent)	30.00%
Impaired Loans and Leases [Member] | Market Approach Valuation Technique - Discount for cost to sell [Member] | Minimum [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Discount rate (as a percent)	8.00%
Impaired Loans and Leases [Member] | Market Approach Valuation Technique - Discount for cost to sell [Member] | Maximum [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Discount rate (as a percent)	15.00%
Other Real Estate Owned [Member] | Market Approach Valuation Technique [Member] | Minimum [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Discount rate (as a percent)	0.00%
Other Real Estate Owned [Member] | Market Approach Valuation Technique [Member] | Maximum [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Discount rate (as a percent)	20.00%

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Fair Value Measurements (Summary Of Estimated Fair Values Of Significant Financial Instruments) (Detail) - USD ($) $ in Thousands		Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loans held for sale		$ 39,407		$ 60,260
Mortgage servicing assets, Carrying Amount		24,708	$ 24,336	24,466	$ 21,946	$ 21,004	$ 20,698
Alternative investments [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Alternative investments		16,500
Fair Value, Measurements, Nonrecurring [Member] | Reported Value Measurement [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loans held for sale		0		7,317
Loans and leases, net		17,074,100		16,832,268
Securities sold under agreements to repurchase and other borrowings		872,692		949,526
FHLB advances	[1]	1,767,757		2,842,908
Long-term debt	[1]	225,640		225,514
Fair Value, Measurements, Nonrecurring [Member] | Reported Value Measurement [Member] | Deposits Liabilities, other than time deposits [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Deposits		18,362,556		17,279,049
Fair Value, Measurements, Nonrecurring [Member] | Reported Value Measurement [Member] | Time Deposits [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Deposits		2,095,541		2,024,808
Fair Value, Measurements, Nonrecurring [Member] | Reported Value Measurement [Member] | Alternative investments [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Alternative investments		9,882		11,034
Fair Value, Measurements, Nonrecurring [Member] | Reported Value Measurement [Member] | Residential Mortgage [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Mortgage servicing assets, Carrying Amount		24,708		24,466
Fair Value, Measurements, Nonrecurring [Member] | Reported Value Measurement [Member] | Held-to-maturity Securities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Held-to-maturity investment securities		4,219,198		4,160,658
Fair Value, Measurements, Nonrecurring [Member] | Estimate of Fair Value Measurement [Member] | Significant Other Observable Inputs (Level 2) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loans held for sale		0		7,444
Securities sold under agreements to repurchase and other borrowings		876,289		955,660
FHLB advances	[1]	1,774,605		2,825,101
Long-term debt	[1]	240,959		225,514
Fair Value, Measurements, Nonrecurring [Member] | Estimate of Fair Value Measurement [Member] | Significant Unobservable Inputs (Level 3) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loans and leases, net		16,928,626		16,678,106
Fair Value, Measurements, Nonrecurring [Member] | Estimate of Fair Value Measurement [Member] | Deposits Liabilities, other than time deposits [Member] | Significant Other Observable Inputs (Level 2) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Deposits		18,362,556		17,279,049
Fair Value, Measurements, Nonrecurring [Member] | Estimate of Fair Value Measurement [Member] | Time Deposits [Member] | Significant Other Observable Inputs (Level 2) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Deposits		2,092,851		2,024,395
Fair Value, Measurements, Nonrecurring [Member] | Estimate of Fair Value Measurement [Member] | Alternative investments [Member] | Significant Unobservable Inputs (Level 3) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Alternative investments		11,644		13,189
Fair Value, Measurements, Nonrecurring [Member] | Estimate of Fair Value Measurement [Member] | Residential Mortgage [Member] | Significant Unobservable Inputs (Level 3) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Mortgage servicing assets, Fair value		44,406		52,075
Fair Value, Measurements, Nonrecurring [Member] | Estimate of Fair Value Measurement [Member] | Held-to-maturity Securities [Member] | Significant Other Observable Inputs (Level 2) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Held-to-maturity investment securities		$ 4,197,378		$ 4,125,125

[1] he following adjustments to the carrying amount are not included for determination of fair value, see Note 8: Borrowings: •FHLB advances - unamortized premiums on advances •Long-term debt - unamortized discount and debt issuance cost on senior fixed-rate notes

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Retirement Benefit Plans (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 13	$ 11	$ 25	$ 23
Interest cost on benefit obligations	1,844	2,123	3,657	4,221
Expected return on plan assets	(3,075)	(2,964)	(6,148)	(5,529)
Amortization of prior service cost	0	0	0	0
Recognized net loss	1,515	1,642	2,932	3,332
Net periodic benefit cost	297	812	466	2,047
Supplemental Employee Retirement Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	0	0	0	0
Interest cost on benefit obligations	93	97	185	194
Expected return on plan assets	0	0	0	0
Amortization of prior service cost	0	0	0	0
Recognized net loss	212	83	425	213
Net periodic benefit cost	305	180	610	407
Other Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	0	0	0	0
Interest cost on benefit obligations	25	31	50	62
Expected return on plan assets	0	0	0	0
Amortization of prior service cost	0	3	0	7
Recognized net loss	7	9	15	18
Net periodic benefit cost	$ 32	$ 43	$ 65	$ 87

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Share-Based Plans (Summary of Stock-based compensation expense recognized) (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock compensation expense	$ 2,725	$ 2,831	$ 6,043	$ 5,614
Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock compensation expense	0	0	0	43
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock compensation expense	$ 2,725	$ 2,831	$ 6,043	$ 5,571

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Share-Based Plans (Narrative) (Detail) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2017	Dec. 31, 2016
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized stock compensation expense	$ 19.0
Weighted average recognition period	2 years 1 month 6 days
Restricted Stock [Member] | Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares available for grant	100,000
Time Based Restricted Stock Awards [Member] | Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period (in years)	1 year
Time Based Restricted Stock Awards [Member] | Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period (in years)	5 years
Performance-Based Restricted Stock Awards Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period (in years)	3 years
Vesting range (as a percent)	50.00%
Performance-Based Restricted Stock Awards Shares [Member] | Minimum [Member] | Share-based Compensation Award, Tranche Two [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting range (as a percent)	0.00%
Performance-Based Restricted Stock Awards Shares [Member] | Maximum [Member] | Share-based Compensation Award, Tranche One [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting range (as a percent)	150.00%
Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of options outstanding (in shares)	840,558	1,072,974
Employee Stock Option [Member] | Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Terms of Award (in years)	P10Y0M0D
Non-Qualified Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of options outstanding (in shares)	765,769
Incentive Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of options outstanding (in shares)	74,789

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Share-Based Plans (Summary of Restricted Stock and Stock Option Activity) (Detail)	6 Months Ended
	Jun. 30, 2017 $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Options exercisable, Number of Shares	840,558
Restricted Stock Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Restricted stock, Outstanding at beginning of period (in shares)	253,361
Restricted stock, Granted (in shares)	148,479
Restricted stock, Vested restricted stock awards (in shares)	106,532	[1]
Restricted stock, Forfeited (in shares)	12,344
Restricted stock, Outstanding at end of period (in shares)	282,964
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]
Restricted stock, at beginning of period, Weighted-average Grant Date Fair Value (in dollars per share) | $ / shares	$ 32.24
Restricted stock, Granted (in dollars per share) | $ / shares	55.53
Restricted stock, Vested restricted stock awards (in dollars per share) | $ / shares	35.26	[1]
Restricted stock, Forfeited (in dollars per share) | $ / shares	37.16
Restricted stock, at end of period, Weighted-average Grant Date Fair Value (in dollars per share) | $ / shares	$ 41.53
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Restricted stock, Outstanding at beginning of period (in shares)	2,158
Restricted stock, Granted (in shares)	8,129
Restricted stock, Vested restricted stock awards (in shares)	4,867	[1]
Restricted stock, Forfeited (in shares)	0
Restricted stock, Outstanding at end of period (in shares)	5,420
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]
Restricted stock, at beginning of period, Weighted-average Grant Date Fair Value (in dollars per share) | $ / shares	$ 32.89
Restricted stock, Granted (in dollars per share) | $ / shares	56.07
Restricted stock, Vested restricted stock awards (in dollars per share) | $ / shares	45.79	[1]
Restricted stock, Forfeited (in dollars per share) | $ / shares	0
Restricted stock, at end of period, Weighted-average Grant Date Fair Value (in dollars per share) | $ / shares	$ 56.07
Performance-Based Restricted Stock Awards Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Restricted stock, Outstanding at beginning of period (in shares)	116,184
Restricted stock, Granted (in shares)	89,581
Restricted stock, Vested restricted stock awards (in shares)	61,563	[1]
Restricted stock, Forfeited (in shares)	6,276
Restricted stock, Outstanding at end of period (in shares)	137,926
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]
Restricted stock, at beginning of period, Weighted-average Grant Date Fair Value (in dollars per share) | $ / shares	$ 33.62
Restricted stock, Granted (in dollars per share) | $ / shares	56.18
Restricted stock, Vested restricted stock awards (in dollars per share) | $ / shares	39.23	[1]
Restricted stock, Forfeited (in dollars per share) | $ / shares	42.72
Restricted stock, at end of period, Weighted-average Grant Date Fair Value (in dollars per share) | $ / shares	$ 45.42
Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Options outstanding, at beginning of period, Number of Shares	1,072,974
Options granted, Number of Shares	0
Exercised options, Number of Shares	232,416
Options forfeited, Number of Shares	0
Options outstanding, at end of period, Number of Shares	840,558
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]
Options, at beginning of period, Weighted-average Exercise Price (in dollars per share) | $ / shares	$ 21.24
Options granted, Weighted-Average Exercise Price (in dollars per share) | $ / shares	0
Exercised options, Weighted-Average Exercise Price (in dollars per share) | $ / shares	27.97
Options forfeited, Weighted-Average Exercise Price (in dollars per share) | $ / shares	0
Options, at end of period, Weighted-average Exercise Price (in dollars per share) | $ / shares	$ 19.38

[1] ested for purposes of recording compensation expense.

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Segment Reporting (Operating Results and Total Assets Reportable Segments) (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016	Dec. 31, 2016
Segment Reporting Information [Line Items]
Total Assets	$ 26,174,930		$ 26,174,930		$ 26,072,529
Net interest income (expense)	197,787	$ 176,905	390,451	$ 353,057
Provision for Loan and Lease Losses	7,250	14,000	17,750	29,600
Interest Income (Expense), after Provision for Loan Loss	190,537	162,905	372,701	323,457
Noninterest Income	64,551	65,075	127,593	127,449
Noninterest Expense	164,419	152,778	328,203	305,223
Income (loss) before income tax expense	90,669	75,202	172,091	145,683
Income tax expense	29,090	24,599	51,041	48,033
Net income	61,579	50,603	121,050	97,650
Operating Segments [Member] | Commercial Banking [Member]
Segment Reporting Information [Line Items]
Total Assets	9,433,770		9,433,770		9,069,445
Net interest income (expense)	78,946	68,862	157,193	137,157
Provision for Loan and Lease Losses	10,692	11,612	17,489	21,889
Interest Income (Expense), after Provision for Loan Loss	68,254	57,250	139,704	115,268
Noninterest Income	12,532	14,755	25,956	25,903
Noninterest Expense	37,304	33,483	75,428	67,543
Income (loss) before income tax expense	43,482	38,522	90,232	73,628
Income tax expense	14,158	12,603	26,762	24,276
Net income	29,324	25,919	63,470	49,352
Operating Segments [Member] | Community Banking [Member]
Segment Reporting Information [Line Items]
Total Assets	8,802,060		8,802,060		8,721,046
Net interest income (expense)	95,902	91,620	189,492	182,191
Provision for Loan and Lease Losses	(3,442)	2,388	261	7,711
Interest Income (Expense), after Provision for Loan Loss	99,344	89,232	189,231	174,480
Noninterest Income	28,058	27,468	53,437	54,118
Noninterest Expense	94,322	91,526	189,501	183,537
Income (loss) before income tax expense	33,080	25,174	53,167	45,061
Income tax expense	10,353	8,617	15,769	14,857
Net income	22,727	16,557	37,398	30,204
Operating Segments [Member] | HSA Bank [Member]
Segment Reporting Information [Line Items]
Total Assets	78,569		78,569		83,987
Net interest income (expense)	25,574	20,005	49,626	39,924
Provision for Loan and Lease Losses	0	0	0	0
Interest Income (Expense), after Provision for Loan Loss	25,574	20,005	49,626	39,924
Noninterest Income	19,750	18,114	39,021	38,069
Noninterest Expense	28,750	24,688	56,989	48,945
Income (loss) before income tax expense	16,574	13,431	31,658	29,048
Income tax expense	5,323	4,384	9,389	9,577
Net income	11,251	9,047	22,269	19,471
Corporate, Non-Segment [Member]
Segment Reporting Information [Line Items]
Total Assets	7,860,531		7,860,531		$ 8,198,051
Net interest income (expense)	(2,635)	(3,582)	(5,860)	(6,215)
Provision for Loan and Lease Losses	0	0	0	0
Interest Income (Expense), after Provision for Loan Loss	(2,635)	(3,582)	(5,860)	(6,215)
Noninterest Income	4,211	4,738	9,179	9,359
Noninterest Expense	4,043	3,081	6,285	5,198
Income (loss) before income tax expense	(2,467)	(1,925)	(2,966)	(2,054)
Income tax expense	(744)	(1,005)	(879)	(677)
Net income	$ (1,723)	$ (920)	$ (2,087)	$ (1,377)

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Segment Reporting Segment Reporting Narrative (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2017 USD ($) Segment		Dec. 31, 2016 USD ($)		Jun. 30, 2016 USD ($)
Segment Reporting Information [Line Items]
Number of Reportable Segments | Segment	3
Loans and leases	$ 17,273,678	[1],[2]	$ 17,026,588	[1],[2]	$ 16,272,029
Consumer Portfolio Segment [Member]
Segment Reporting Information [Line Items]
Loans and leases	$ 2,599,318		2,684,500		$ 2,728,452
Consumer Portfolio Segment [Member] | Home Equity Liquidating Portfolio [Member]
Segment Reporting Information [Line Items]
Loans and leases			$ 65,000

[1] At June 30, 2017, the Company had pledged $6.2 billion of eligible residential, consumer and commercial loans as collateral to support borrowing capacity at the FHLB Boston and the FRB of Boston.

[2] Loans and leases include net deferred fees and net premiums/discounts of $18.8 million and $17.3 million at June 30, 2017 and December 31, 2016, respectively.

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Commitments and Contingencies (Outstanding Financial Instruments Contract Amounts Represent Credit Risk) (Detail) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Loss Contingencies [Line Items]
Total credit-related financial instruments with off-balance sheet risk	$ 5,391,027	$ 5,399,762
Standby letter of credit [Member]
Loss Contingencies [Line Items]
Total credit-related financial instruments with off-balance sheet risk	138,536	128,985
Commercial letter of credit [Member]
Loss Contingencies [Line Items]
Total credit-related financial instruments with off-balance sheet risk	40,678	46,497
Commitments to extend credit [Member]
Loss Contingencies [Line Items]
Total credit-related financial instruments with off-balance sheet risk	$ 5,211,813	$ 5,224,280

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(Reserve for Unfunded Commitments) (Detail) - Allowance for Credit Loss [Member] - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Movement in Valuation Allowances and Reserves [Roll Forward]
Beginning balance	$ 2,655	$ 2,126	$ 2,287	$ 2,119
(Benefit) provision charged to expense	(111)	193	257	200
Ending balance	$ 2,544	$ 2,319	$ 2,544	$ 2,319