10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q

(Mark One)

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

For the quarterly period ended: June 30, 2020

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

Commission file number: 001-31343

Associated Banc-Corp

(Exact name of registrant as specified in its charter)

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

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

(920) 491-7500

(Registrant’s telephone number, including area code)

(not applicable)

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

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

Title of each class	Trading symbol	Name of each exchange on which registered
Common stock, par value $0.01 per share	ASB	New York Stock Exchange
Depositary Shrs, each representing 1/40th intrst in a shr of 6.125% Non-Cum. Perp Pref Stock, Srs C	ASB PrC	New York Stock Exchange
Depositary Shrs, each representing 1/40th intrst in a shr of 5.375% Non-Cum. Perp Pref Stock, Srs D	ASB PrD	New York Stock Exchange
Depositary Shrs, each representing 1/40th intrst in a shr of 5.875% Non-Cum. Perp Pref Stock, Srs E	ASB PrE	New York Stock Exchange
Depositary Shrs, each representing 1/40th intrst in a shr of 5.625% Non-Cum. Perp Pref Stock, Srs F	ASB PrF	New York Stock Exchange

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

Yes  ☑        No  ☐

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

Yes  ☑        No  ☐

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

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

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

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

Yes  ☐        No  ☑

APPLICABLE ONLY TO CORPORATE ISSUERS:

The number of shares outstanding of registrant’s common stock, par value $0.01 per share, at August 3, 2020 was 153,684,573.

1

ASSOCIATED BANC-CORP

Table of Contents

		Page
PART I. Financial Information
	Item 1. Financial Statements (Unaudited):	5
	Consolidated Balance Sheets	5
	Consolidated Statements of Income	6
	Consolidated Statements of Comprehensive Income	7
	Consolidated Statements of Changes in Stockholders’ Equity	8
	Consolidated Statements of Cash Flows	10
	Notes to Consolidated Financial Statements	12
	Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations	56
	Item 3. Quantitative and Qualitative Disclosures About Market Risk	85
	Item 4. Controls and Procedures	85
PART II. Other Information
	Item 1. Legal Proceedings	86
	Item 1A. Risk Factors	86
	Item 2. Unregistered Sales of Equity Securities and Use of Proceeds	89
	Item 6. Exhibits	90
	Signatures	91

2

ASSOCIATED BANC-CORP

Commonly Used Acronyms and Abbreviations

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

ABRC	Associated Benefits & Risk Consulting, the Corporation's insurance division which was sold on June 30, 2020
ABS	Asset Backed Securities
ACL	Allowance for Credit Losses on Loans and Investments
ACLL	Allowance for Credit Losses on Loans
ALCO	Asset / Liability Committee
ASC	Accounting Standards Codification
Associated / Corporation / our / us / we	Associated Banc-Corp collectively with all of its subsidiaries and affiliates
ASU	Accounting Standards Update
the Bank	Associated Bank, National Association
Basel III	International framework established by the Basel Committee on Banking Supervision for the regulation of capital and liquidity
bp	basis point(s)
CARES Act	Coronavirus Aid, Relief, and Economic Security Act
CDs	Certificates of Deposit
CDIs	Core Deposit Intangibles
CECL	Current Expected Credit Losses
CET1	Common Equity Tier 1
CMO	Collateralized Mortgage Obligation
CRA	Community Reinvestment Act
EAR	Earnings at Risk
Exchange Act	Securities Exchange Act of 1934, as amended
FASB	Financial Accounting Standards Board
FDIC	Federal Deposit Insurance Corporation
Federal Reserve	Board of Governors of the Federal Reserve System
FFELP	Federal Family Education Loan Program
FHLB	Federal Home Loan Bank
FHLMC	Federal Home Loan Mortgage Corporation
FICO	Fair Isaac Corporation, provider of a broad-based risk score to aid in credit decisions
First Staunton	First Staunton Bancshares, Incorporated
FNMA	Federal National Mortgage Association
FOMC	Federal Open Market Committee
FTP	Funds Transfer Pricing
GAAP	Generally Accepted Accounting Principles
GNMA	Government National Mortgage Association
GSEs	Government-Sponsored Enterprises
Huntington	The Huntington National Bank, a subsidiary of Huntington Bancshares Incorporated
LIBOR	London Interbank Offered Rate
LTV	Loan-to-Value
MBS	Mortgage-Backed Securities
MSLP	Main Street Lending Program
MSRs	Mortgage Servicing Rights

3

MVE	Market Value of Equity
Net Free Funds	Noninterest-bearing sources of funds
NII	Net Interest Income
NPAs	Nonperforming Assets
OCC	Office of the Comptroller of the Currency
OREO	Other Real Estate Owned
Parent Company	Associated Banc-Corp individually
PCD	Purchased Credit Deteriorated
PPP	Paycheck Protection Program
PPPLF	Paycheck Protection Program Liquidity Facility
RAP	Retirement Account Plan - the Corporation's noncontributory defined benefit retirement plan
Restricted Stock Awards	Restricted common stock and restricted common stock units to certain key employees
S&P	Standard & Poor's
SBA	Small Business Administration
SEC	U.S. Securities and Exchange Commission
Series C Preferred Stock	The Corporation's 6.125% Non-Cumulative Perpetual Preferred Stock, Series C, liquidation preference $1,000 per share
Series D Preferred Stock	The Corporation's 5.375% Non-Cumulative Perpetual Preferred Stock, Series D, liquidation preference $1,000 per share
Series E Preferred Stock	The Corporation's 5.875% Non-Cumulative Perpetual Preferred Stock, Series E, liquidation preference $1,000 per share
Series F Preferred Stock	The Corporation's 5.625% Non-Cumulative Perpetual Preferred Stock, Series F, liquidation preference $1,000 per share
TDR	Troubled Debt Restructuring
USI	USI Insurance Services LLC
YTD	Year-to-Date

4

PART I - FINANCIAL INFORMATION
ITEM 1.	Financial Statements:

ASSOCIATED BANC-CORP

Consolidated Balance Sheets

	June 30, 2020		December 31, 2019
(In Thousands, except share and per share data)	(Unaudited)		(Audited)
Assets
Cash and due from banks	$	443,500	$	373,380
Interest-bearing deposits in other financial institutions	1,569,006		207,624
Federal funds sold and securities purchased under agreements to resell	185		7,740
Investment securities held to maturity, net, at amortized cost(a)	2,077,225		2,205,083
Investment securities available for sale, at fair value	3,149,773		3,262,586
Equity securities	15,091		15,090
Federal Home Loan Bank and Federal Reserve Bank stocks, at cost	206,281		227,347
Residential loans held for sale	196,673		136,280
Commercial loans held for sale	3,565		15,000
Loans	24,832,671		22,821,440
Allowance for loan losses(a)	(363,803)		(201,371)
Loans, net	24,468,868		22,620,068
Bank and corporate owned life insurance	676,196		671,948
Tax credit and other investments	303,132		279,969
Premises and equipment, net	434,042		435,284
Goodwill	1,107,902		1,176,230
Mortgage servicing rights, net	49,403		67,306
Other intangible assets, net	72,759		88,301
Interest receivable	87,097		91,196
Other assets	640,765		506,046
Total assets	$	35,501,464	$	32,386,478
Liabilities and Stockholders' Equity
Noninterest-bearing demand deposits	$	7,573,942	$	5,450,709
Interest-bearing deposits	18,977,502		18,328,355
Total deposits	26,551,444		23,779,064
Federal funds purchased and securities sold under agreements to repurchase	142,293		433,097
Commercial paper	39,535		32,016
PPPLF	1,009,760		—
FHLB advances	2,657,016		3,180,967
Other long-term funding	548,937		549,343
Allowance for unfunded commitments(a)	64,776		21,907
Accrued expenses and other liabilities(a)	463,245		467,961
Total liabilities	31,477,007		28,464,355
Stockholders’ Equity
Preferred equity	353,846		256,716
Common equity
Common stock	1,752		1,752
Surplus	1,712,978		1,716,431
Retained earnings(a)	2,412,859		2,380,867
Accumulated other comprehensive income (loss)	(1,920)		(33,183)
Treasury stock, at cost	(455,057)		(400,460)
Total common equity	3,670,612		3,665,407
Total stockholders’ equity	4,024,457		3,922,124
Total liabilities and stockholders’ equity	$	35,501,464	$	32,386,478
Preferred shares authorized (par value $1.00 per share)	750,000		750,000
Preferred shares issued and outstanding	364,458		264,458
Common shares authorized (par value $0.01 per share)	250,000,000		250,000,000
Common shares issued	175,216,409		175,216,409
Common shares outstanding	153,615,657		157,171,247

Numbers may not sum due to rounding.

(a) See Note 3 Summary of Significant Accounting Policies for additional details on the adoption of ASU 2016-13.

See accompanying notes to consolidated financial statements.

5

Item 1. Financial Statements Continued:

ASSOCIATED BANC-CORP

Consolidated Statements of Income (Unaudited)

	Three Months Ended June 30,				Six Months Ended June 30,
(In Thousands, except per share data)	2020		2019		2020		2019
Interest income
Interest and fees on loans	$	191,895	$	260,784	$	416,681	$	519,637
Interest and dividends on investment securities
Taxable	16,103		26,710		36,375		55,764
Tax-exempt	14,616		14,643		29,498		28,459
Other interest	2,231		3,995		5,535		8,221
Total interest income	224,845		306,133		488,090		612,081
Interest expense
Interest on deposits	13,178		67,050		49,844		129,823
Interest on federal funds purchased and securities sold under agreements to repurchase	51		286		420		913
Interest on other short-term funding	683		37		721		88
Interest on FHLB advances	15,470		17,744		33,096		37,298
Interest on long-term funding	5,591		7,396		11,195		14,792
Total interest expense	34,973		92,513		95,276		182,914
Net interest income	189,872		213,619		392,814		429,167
Provision for credit losses	61,000		8,000		114,001		14,000
Net interest income after provision for credit losses	128,872		205,619		278,813		415,167
Noninterest income
Insurance commissions and fees	22,430		22,985		45,038		48,449
Wealth management fees(a)	20,916		20,691		41,732		40,870
Service charges and deposit account fees	11,484		15,426		26,706		30,542
Card-based fees	8,893		10,131		18,490		19,392
Other fee-based revenue	4,774		5,178		9,272		9,161
Capital markets, net	6,910		4,726		14,845		7,916
Mortgage banking, net	12,263		9,466		18,407		14,178
Bank and corporate owned life insurance	3,625		3,352		6,719		7,144
Asset gains (losses), net(b)	157,361		871		157,284		1,438
Investment securities gains (losses), net	3,096		463		9,214		2,143
Other	2,737		2,547		5,090		5,807
Total noninterest income	254,490		95,837		352,796		187,040
Noninterest expense
Personnel	111,350		123,228		225,551		243,279
Technology	21,174		20,114		41,973		39,126
Occupancy	14,464		13,830		30,532		30,302
Business development and advertising	3,556		6,658		9,382		13,293
Equipment	5,312		5,577		10,751		11,245
Legal and professional	5,058		4,668		10,217		8,619
Loan and foreclosure costs	3,605		1,814		6,725		3,961
FDIC assessment	5,250		4,500		10,750		8,250
Other intangible amortization	2,872		2,324		5,686		4,551
Acquisition related costs(c)	518		3,734		2,238		4,366
Other	10,249		11,331		21,791		22,459
Total noninterest expense	183,407		197,779		375,598		389,450
Income (loss) before income taxes	199,955		103,678		256,012		212,756
Income tax expense	51,238		19,017		61,457		41,409
Net income	148,718		84,661		194,555		171,347
Preferred stock dividends	4,144		3,801		7,945		7,601
Net income available to common equity	$	144,573	$	80,860	$	186,611	$	163,746
Earnings per common share
Basic	$	0.94	$	0.49	$	1.21	$	1.00
Diluted	$	0.94	$	0.49	$	1.20	$	0.99
Average common shares outstanding
Basic	152,393		162,180		153,547		163,049
Diluted	153,150		163,672		154,360		164,518

Numbers may not sum due to rounding.

(a) Includes trust, asset management, brokerage, and annuity fees.

(b) Both the three and six months ended June 30, 2020 include a gain of $163 million from the sale of ABRC. Both the three and six months ended June 30, 2019 include less than $1 million of Huntington related asset losses.

(c) Includes Huntington branch and First Staunton acquisition related costs only.

See accompanying notes to consolidated financial statements.

6

Item 1. Financial Statements Continued:

ASSOCIATED BANC-CORP

Consolidated Statements of Comprehensive Income (Unaudited)

	Three Months Ended June 30,				Six Months Ended June 30,
($ in Thousands)	2020		2019		2020		2019
Net income	$	148,718	$	84,661	$	194,555	$	171,347
Other comprehensive income, net of tax
Investment securities available for sale
Net unrealized gains (losses)	21,641		59,476		48,060		89,966
Amortization of net unrealized (gains) losses on available for sale securities transferred to held to maturity securities	776		218		1,332		288
Reclassification adjustment for net losses (gains) realized in net income	(3,096)		(463)		(9,214)		(2,143)
Income tax (expense) benefit	(4,841)		(14,940)		(10,066)		(22,242)
Other comprehensive income (loss) on investment securities available for sale	14,481		44,292		30,112		65,869
Defined benefit pension and postretirement obligations
Amortization of prior service cost	(38)		(38)		(75)		(75)
Amortization of actuarial loss (gain)	803		64		1,610		128
Income tax (expense) benefit	(192)		(7)		(385)		(13)
Other comprehensive income (loss) on pension and postretirement obligations	573		20		1,150		40
Total other comprehensive income (loss)	15,054		44,311		31,263		65,909
Comprehensive income	$	163,772	$	128,972	$	225,818	$	237,256

Numbers may not sum due to rounding.

See accompanying notes to consolidated financial statements.

7

Item 1. Financial Statements Continued: 

ASSOCIATED BANC-CORP

Consolidated Statements of Changes in Stockholders’ Equity

(In Thousands, except per share data)	Preferred Equity		Common Stock		Surplus		Retained Earnings		Accumulated Other Comprehensive Income (Loss)		Treasury Stock		Total
Balance, December 31, 2019	$	256,716	$	1,752	$	1,716,431	$	2,380,867	$	(33,183)	$	(400,460)	$	3,922,124
Cumulative effect of ASU 2016-13 adoption (CECL)	—		—		—		(98,337)		—		—		(98,337)
Total shareholder's equity at beginning of period, as adjusted	256,716		1,752		1,716,431		2,282,530		(33,183)		(400,460)		3,823,787
Comprehensive income
Net income	—		—		—		45,838		—		—		45,838
Other comprehensive income (loss)	—		—		—		—		16,209		—		16,209
Comprehensive income													62,046
Common stock issued
Stock-based compensation plans, net	—		—		(20,659)		—		—		23,555		2,896
Purchase of treasury stock, open market purchases	—		—		—		—		—		(71,255)		(71,255)
Purchase of treasury stock, stock-based compensation plans	—		—		—		—		—		(5,555)		(5,555)
Cash dividends
Common stock, $0.18 per share	—		—		—		(28,392)		—		—		(28,392)
Preferred stock(a)	—		—		—		(3,801)		—		—		(3,801)
Stock-based compensation expense, net	—		—		10,744		—		—		—		10,744
Balance, March 31, 2020	$	256,716	$	1,752	$	1,706,516	$	2,296,176	$	(16,974)	$	(453,714)	$	3,790,471
Comprehensive income:
Net income	—		—		—		148,718		—		—		148,718
Other comprehensive income (loss)	—		—		—		—		15,054		—		15,054
Comprehensive income													163,772
Common stock issued:
Stock-based compensation plans, net	—		—		1,523		—		—		(1,350)		173
Purchase of treasury stock, stock-based compensation plans	—		—		—		—		—		7		7
Cash dividends:
Common stock, $0.18 per share	—		—		—		(27,889)		—		—		(27,889)
Preferred stock(b)	—		—		—		(4,144)		—		—		(4,144)
Issuance of preferred stock	97,129		—		—		—		—		—		97,129
Stock-based compensation expense, net	—		—		4,939		—		—		—		4,939
Balance, June 30, 2020	$	353,846	$	1,752	$	1,712,978	$	2,412,859	$	(1,920)	$	(455,057)	$	4,024,457

Numbers may not sum due to rounding.

(a) Series C, $0.3828125 per share; Series D, $0.3359375 per share; and Series E, $0.3671875 per share.

(b) Series C, $0.3828125 per share; Series D, $0.3359375 per share; Series E, $0.3671875 per share; and Series F, $0.0849931 per share.

8

(In Thousands, except per share data)	Preferred Equity		Common Stock		Surplus		Retained Earnings		Accumulated Other Comprehensive Income (Loss)		Treasury Stock		Total
Balance, December 31, 2018	$	256,716	$	1,752	$	1,712,615	$	2,181,414	$	(124,972)	$	(246,638)	$	3,780,888
Comprehensive income
Net income	—		—		—		86,686		—		—		86,686
Other comprehensive income (loss)	—		—		—		—		21,597		—		21,597
Comprehensive income													108,283
Common stock issued
Stock-based compensation plans, net	—		—		(32,220)		—		—		39,265		7,045
Purchase of treasury stock, open market purchases	—		—		—		—		—		(29,999)		(29,999)
Purchase of treasury stock, stock-based compensation plans	—		—		—		—		—		(7,468)		(7,468)
Cash dividends
Common stock, $0.17 per share	—		—		—		(28,183)		—		—		(28,183)
Preferred stock(a)	—		—		—		(3,801)		—		—		(3,801)
Stock-based compensation expense, net	—		—		9,397		—		—		—		9,397
Other	—		—		—		(293)		—		—		(293)
Balance, March 31, 2019	$	256,716	$	1,752	$	1,689,792	$	2,235,824	$	(103,375)	$	(244,840)	$	3,835,870
Comprehensive income:
Net income	—		—		—		84,661		—		—		84,661
Other comprehensive income (loss)	—		—		—		—		44,311		—		44,311
Comprehensive income													128,972
Common stock issued:
Stock-based compensation plans, net	—		—		(211)		—		—		1,038		827
Purchase of treasury stock, open market purchases	—		—		—		—		—		(39,602)		(39,602)
Purchase of treasury stock, stock-based compensation plans	—		—		—		—		—		(831)		(831)
Cash dividends:
Common stock, $0.17 per share	—		—		—		(27,776)		—		—		(27,776)
Preferred stock(a)	—		—		—		(3,801)		—		—		(3,801)
Stock-based compensation expense, net	—		—		6,134		—		—		—		6,134
Balance, June 30, 2019	$	256,716	$	1,752	$	1,695,715	$	2,288,909	$	(59,063)	$	(284,235)	$	3,899,794

Numbers may not sum due to rounding.

(a) Series C, $0.3828125 per share; Series D, $0.3359375 per share; and Series E, $0.3671875 per share.

See accompanying notes to consolidated financial statements.

9

Item 1. Financial Statements Continued:

ASSOCIATED BANC-CORP

Consolidated Statements of Cash Flows (Unaudited)

	Six Months Ended June 30,
($ in Thousands)	2020		2019
Cash Flow From Operating Activities
Net income	$	194,555	$	171,347
Adjustments to reconcile net income to net cash provided by (used in) operating activities
Provision for credit losses	114,001		14,000
Depreciation and amortization	29,119		28,810
Addition to (recovery of) valuation allowance on mortgage servicing rights, net	17,029		146
Amortization of mortgage servicing rights	10,043		5,448
Amortization of other intangible assets	5,686		4,551
Amortization and accretion on earning assets, funding, and other, net	14,060		14,495
Net amortization of tax credit investments	13,661		11,180
Losses (gains) on sales of investment securities, net	(9,214)		(2,143)
Asset (gains) losses, net	(157,284)		(1,438)
(Gain) loss on mortgage banking activities, net	(26,545)		(11,172)
Mortgage loans originated and acquired for sale	(860,674)		(459,181)
Proceeds from sales of mortgage loans held for sale	1,022,268		432,099
Changes in certain assets and liabilities
(Increase) decrease in interest receivable	4,099		(11,738)
Increase (decrease) in interest payable	(3,682)		3,572
Increase (decrease) in expense payable	(49,911)		(35,516)
(Increase) decrease in net derivative position	(138,961)		(93,872)
Increase (decrease) in unsettled trades	20,515		(136)
(Increase) decrease in net income tax position	18,606		27,010
Net change in other assets and other liabilities	68,750		(26,992)
Net cash provided by (used in) operating activities	286,120		70,470
Cash Flow From Investing Activities
Net increase in loans	(1,912,941)		(244,230)
Purchases of
Available for sale securities	(867,693)		(460,124)
Held to maturity securities	(65,563)		(169,775)
Federal Home Loan Bank and Federal Reserve Bank stocks	(78,153)		(178,363)
Premises, equipment, and software, net of disposals	(22,577)		(30,608)
Other intangibles	(200)		—
Proceeds from
Sales of available for sale securities	626,276		934,228
Sale of Federal Home Loan Bank and Federal Reserve Bank stocks	100,000		226,139
Prepayments, calls, and maturities of available for sale investment securities	499,025		262,872
Prepayments, calls, and maturities of held to maturity investment securities	191,953		100,603
Sales, prepayments, calls, and maturities of other assets	12,728		7,064
Net cash received in ABRC sale	256,571		—
Net change in tax credit and alternative investments	(30,276)		(30,814)
Net cash (paid) received in acquisition	(31,518)		551,250
Net cash provided by (used in) investing activities	(1,322,370)		968,242
Cash Flow From Financing Activities
Net increase (decrease) in deposits	2,334,002		(348,344)
Net increase (decrease) in short-term funding	(309,144)		(45,091)
Net increase (decrease) in short-term FHLB advances	(520,000)		(820,000)
Repayment of long-term FHLB advances	(16,583)		(762,880)
Proceeds from long-term FHLB advances	4,000		751,573
Proceeds from PPPLF	1,009,760		—
Proceeds from finance lease principal	(1,007)		—
Proceeds from issuance of preferred shares	97,129		—
Proceeds from issuance of common stock for stock-based compensation plans	3,069		7,872
Purchase of treasury stock, open market purchases	(71,255)		(69,601)
Purchase of treasury stock, stock-based compensation plans	(5,548)		(8,299)
Cash dividends on common stock	(56,281)		(55,959)
Cash dividends on preferred stock	(7,945)		(7,601)
Net cash provided by (used in) financing activities	2,460,197		(1,358,331)
Net increase (decrease) in cash, cash equivalents, and restricted cash	1,423,947		(319,619)
Cash, cash equivalents, and restricted cash at beginning of period	588,744		876,698
Cash, cash equivalents, and restricted cash at end of period	$	2,012,691	$	557,078

Numbers may not sum due to rounding.

See accompanying notes to consolidated financial statements.

10

ASSOCIATED BANC-CORP

Consolidated Statements of Cash Flows (Unaudited)

	Six Months Ended June 30,
($ in Thousands)	2020		2019
Supplemental disclosures of cash flow information
Cash paid for interest	$	97,929	$	178,550
Cash paid for (received from) income and franchise taxes	3,318		21,909
Loans and bank premises transferred to OREO	5,212		5,406
Capitalized mortgage servicing rights	9,169		3,575
Loans transferred into held for sale from portfolio, net	201,827		30,597
Unsettled trades to purchase securities	20,515		136
Acquisition
Fair value of assets acquired, including cash and cash equivalents	459,235		696,013
Fair value ascribed to goodwill and intangible assets	20,793		29,626
Fair value of liabilities assumed	480,028		725,719
Equity issued in (adjustments related to) acquisition	—		(79)

The following table provides a reconciliation of cash, cash equivalents, and restricted cash reported within the consolidated balance sheets that sum to the total of the same sum amounts shown on the consolidated statements of cash flows:

	Six Months Ended June 30,
($ in Thousands)	2020		2019
Cash and cash equivalents	$	2,012,691	$	403,693
Restricted cash	—		153,385
Total cash, cash equivalents, and restricted cash shown in the statement of cash flows	$	2,012,691	$	557,078

Amounts included in restricted cash represent required reserve balances with the Federal Reserve Bank, which is included in interest-bearing deposits in other financial institutions on the face of the consolidated balance sheets. At June 30, 2020, the Corporation had no restricted cash due to the Federal Reserve reducing the requirement ratios to zero percent.

11

Item 1. Financial Statements Continued:

ASSOCIATED BANC-CORP

Notes to Consolidated Financial Statements

These interim consolidated financial statements have been prepared according to the rules and regulations of the SEC and, therefore, certain information and footnote disclosures normally presented in accordance with GAAP have been omitted or abbreviated. The information contained on the consolidated financial statements and footnotes in Associated Banc-Corp's 2019 Annual Report on Form 10-K should be referred to in connection with the reading of these unaudited interim financial statements.

Note 1 Basis of Presentation

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

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

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

Note 2 Acquisitions and Dispositions

Acquisitions:

First Staunton Acquisition

On February 14, 2020, the Corporation completed its acquisition of First Staunton. The Corporation paid a 4% premium on acquired deposits. The conversion of the branches was completed simultaneously with the close of the transaction, expanding the Bank's presence into 9 new Metro-East St. Louis communities. As a result of the acquisition and other consolidations, a net of 7 branch locations were added.

The First Staunton acquisition constituted a business combination. The acquisition has been accounted for using the acquisition method of accounting and, accordingly, assets acquired, liabilities assumed, and consideration exchanged were recorded at estimated fair value on the acquisition date. The determination of estimated fair values required management to make certain estimates that are subjective in nature and may require adjustments upon the availability of new information regarding facts and circumstances which existed at the date of acquisition (i.e., appraisals) for up to a year following the acquisition. The Corporation continues to review information relating to events or circumstances existing at the acquisition date. Management anticipates that this review could result in adjustments to the acquisition date valuation amounts presented herein but does not anticipate that these adjustments will be material.

The Corporation recorded approximately $15 million in goodwill related to the First Staunton acquisition during the first quarter of 2020, however the Corporation subsequently reduced goodwill by $2 million during the second quarter of 2020. Upon review of information relating to events and circumstances existing at the acquisition date, and in accordance with applicable accounting guidance, the Corporation remeasured select previously reported fair value amounts. The adjustment to goodwill was driven by an update that increased the fair value of MSRs acquired. Goodwill created by the acquisition is not tax deductible. See Note 8 for additional information on goodwill, as well as the carrying amount and amortization of CDI assets related to the First Staunton acquisition.

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The following table presents the estimated fair values of the assets acquired and liabilities assumed as of the acquisition date related to the First Staunton acquisition:

($ in Thousands)	Purchase Accounting Adjustments		February 14, 2020
Assets
Cash and cash equivalents	$	—	$	44,782
Investment securities available for sale	(24)		98,743
Federal Home Loan Bank and Federal Reserve Bank stocks, at cost	—		781
Loans	(4,808)		369,741
Premises and equipment, net	(3,005)		4,865
Bank owned life insurance	9		6,770
Goodwill			13,414
Core deposit intangibles (included in other intangible assets, net on the face of the consolidated balance sheets)	7,379		7,379
OREO (included in other assets on the face of the consolidated balance sheets)	670		762
Other assets	4,193		9,090
Total assets			$	556,328
Liabilities
Deposits	$	1,285	$	438,684
Other borrowings	61		34,613
Accrued expenses and other liabilities	179		6,730
Total liabilities			$	480,028
Total consideration paid			$	76,300

For a description of methods used to determine the fair value of significant assets and liabilities presented on the balance sheet above, see Assumptions section of this Note.

The Corporation has purchased loans with the First Staunton acquisition, for which there was, at acquisition, evidence of more than insignificant deterioration of credit quality since origination. The carrying amount of those loans is as follows:

($ in Thousands)	February 14, 2020
Purchase price of loans at acquisition	$	77,221
Allowance for credit losses at acquisition	3,504
Non-credit discount/(premium) at acquisition	(951)
Par value of acquired loans at acquisition	$	79,774

There were no PCD securities.

Huntington Wisconsin Branch Acquisition

On June 14, 2019, the Corporation completed its acquisition of the Wisconsin branches of Huntington. The Corporation paid a 4% premium on acquired deposits. The conversion of the branches happened simultaneously with the close of the transaction and the acquisition expanded the Bank's presence into 13 new Wisconsin communities. As a result of the acquisition and other consolidations, a net of 14 branch locations were added.

The Huntington branch acquisition constituted a business combination. The acquisition has been accounted for using the acquisition method of accounting and, accordingly, assets acquired, liabilities assumed, and consideration exchanged were recorded at estimated fair value on the acquisition date. The determination of estimated fair values required management to make certain estimates that are subjective in nature and may require adjustments upon the availability of new information regarding facts and circumstances which existed at the date of acquisition (i.e., appraisals) for up to a year following the acquisition.

The Corporation recorded approximately $7 million in goodwill related to the Huntington branch acquisition during the second quarter of 2019 and approximately $210,000 during the third quarter of 2019. Upon review of information relating to events and circumstances existing at the acquisition date, and in accordance with applicable accounting guidance, the Corporation remeasured select previously reported fair value amounts. The adjustment to goodwill was driven by an update that decreased the fair value of furniture acquired. Goodwill created by the acquisition is tax deductible. See Note 8 for additional information on goodwill.

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The following table presents the estimated fair values of the assets acquired and liabilities assumed as of the acquisition date related to Huntington branch acquisition:

($ in Thousands)	Purchase Accounting Adjustments		June 14, 2019
Assets
Cash and cash equivalents	$	—	$	551,250
Loans	(1,552)		116,346
Premises and equipment, net	4,800		22,430
Goodwill			7,286
Core deposit intangibles (included in other intangible assets, net on the face of the consolidated balance sheets)	22,630		22,630
OREO (included in other assets on the face of the consolidated balance sheets)	(2,561)		5,263
Other assets	—		559
Total assets			$	725,764
Liabilities
Deposits	$	156	$	725,173
Other liabilities	70		590
Total liabilities			$	725,764

Assumptions

Investment Securities: The fair value of investments on the date of acquisition was determined utilizing an external third party broker opinion of the market value.

Loans: Fair values for loans were based on a discounted cash flow methodology that considered factors including the type of loan and related collateral, classification status, fixed or variable interest rate, term of loan, amortization status and current discount rates. For the non-credit (interest and liquidity) premium, loans were grouped together according to similar characteristics when applying various valuation techniques. For the credit discount, loans were also grouped based on whether they had more than insignificant deterioration in credit since origination.

CDIs: This intangible asset represents the value of the relationships with deposit customers. The fair value was estimated based on a discounted cash flow methodology that gave appropriate consideration to expected customer attrition rates, net maintenance cost of the deposit base, alternative cost of funds, and the interest costs associated with customer deposits. The CDIs will be amortized on a straight-line basis over 10 years.

Time Deposits: The fair value for time deposits are estimated using a discounted cash flow calculation that applies interest rates currently being offered to the contractual interest rates on such time deposits.

FHLB Borrowings: The fair value of FHLB advances are estimated based on quoted market prices for the instrument if available, or for similar instruments if not available, or by using discounted cash flow analyses, based on current incremental borrowing rates for similar types of instruments.

Dispositions:

Associated Benefits & Risk Consulting

On June 30, 2020, the Corporation announced that it had closed the previously announced sale of ABRC to USI. Under the terms of the agreement, the purchase price was $266 million in cash, subject to adjustments for, among other things, transaction expenses and working capital changes. Associated recorded a second quarter 2020 pre-tax book gain of approximately $163 million in conjunction with the sale.

Note 3 Summary of Significant Accounting Policies

The accounting and reporting policies of the Corporation conform to U.S. GAAP and to general practice within the financial services industry. A discussion of these policies can be found in Note 1 Summary of Significant Accounting Policies included in the Corporation’s 2019 Annual Report on Form 10-K. As a result of adopting ASU 2016-13 Financial Instruments - Credit Losses (Topic 326), there have been changes to the Corporation's significant accounting policies since December 31, 2019, which are described below.

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Investment Securities

Management measures expected credit losses on held to maturity securities on a collective basis by major security type. Accrued interest receivable on held to maturity securities is excluded from the estimate of credit losses. The estimate of expected credit losses considers historical credit loss information that is adjusted for current conditions and reasonable and supportable forecasts and is included in investment securities held to maturity, net on the consolidated balance sheets.

For available for sale securities, the Corporation evaluates whether any decline in fair value has resulted from credit losses or other factors. In making this assessment, management considers the extent to which fair value is less than amortized cost, any changes to the rating of the security by a rating agency, and adverse conditions specifically related to the security, among other factors. If this assessment indicates that a credit loss exists, the present value of cash flows expected to be collected from the security are compared to the amortized cost basis of the security. If the present value of cash flows expected to be collected is less than the amortized cost basis, a credit loss exists and an allowance for credit losses on investments is recorded for the credit loss, limited by the amount that the fair value is less than the amortized cost basis. Any impairment that has not been recorded through an allowance for credit losses on investments is recognized in other comprehensive income.

Changes in the allowance for credit losses on investments are recorded as provision for, or reversal of, credit loss expense. Losses are charged against the allowance when management believes the available for sale security is uncollectible or when either of the criteria regarding intent or requirement to sell is met. Accrued interest receivable on available for sale debt securities is excluded from the estimate of credit losses.

Allowance for Credit Losses on Loans

The level of the allowance for loan losses represents management's estimate of an amount appropriate to provide for lifetime credit losses in the loan portfolio at the balance sheet date. The allocation methodology applied by the Corporation, designed to assess the appropriateness of the allowance for loan losses, includes an allocation methodology, as well as management’s ongoing review and grading of the loan portfolio into criticized loan categories. The allocation methodology focuses on evaluation of several factors, including but not limited to: evaluation of facts and issues related to specific loans, management's ongoing review and grading of the loan portfolio using a dual risk rating system leveraging probability of default and loss given default, consideration of historical credit loss and delinquency experience on each portfolio category, trends in past due and nonaccrual loans, the level of potential problem loans, the risk characteristics of the various classifications of loans, changes in the size and character of the loan portfolio, concentrations of loans to specific borrowers or industries, existing economic conditions and economic forecasts, the fair value of underlying collateral, and other qualitative and quantitative factors which could affect potential loan losses. The Corporation utilizes the Moody's Baseline economic forecast in the allowance model and applies that forecast over a reasonable and supportable period with reversion to historical losses. For additional detail on the reasonable and supportable period and reversion methodology, see Note 7. Potential problem loans are generally defined by management to include loans rated as substandard by management. Assessing these numerous factors involves significant judgment. The provision for loan losses is predominantly a function of the result of the methodology and other qualitative and quantitative factors used to determine the allowance for loan losses.

Management individually analyzes loans that do not share similar risk characteristics to other loans in the portfolio. Management has determined that commercial loan relationships that have nonaccrual status or commercial and retail loans that have had their terms restructured in a TDR meet this definition. Probable TDRs are loans the Corporation has reviewed individually to determine whether there is a high likelihood that the loans will default and will require restructuring in the near future. Probable TDRs could be classified as Pass, Special Mention, Substandard or Nonaccrual within the Corporation's credit quality analysis depending on the specific circumstances surrounding the individual credits. Accrued interest receivable on loans is excluded from the estimate of credit losses.

The allowance for unfunded commitments leverages the same methodology utilized to measure the allowance for loan losses. The Corporation estimates expected credit losses over the contractual period in which the Corporation is exposed to credit risk via a contractual obligation to extend credit, unless that obligation is unconditionally cancellable by the Corporation. The estimate includes consideration of the likelihood that funding will occur and an estimate of expected credit losses on commitments expected to be funded over its estimated life. See Note 7 for additional information on the ACLL and Note 12 for additional information on the allowance for unfunded commitments.

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Impact of adopting ASU 2016-13 Financial Instruments - Credit Losses (Topic 326)

The following table illustrates the adoption impact:

	December 31, 2019				January 1, 2020
($ in Thousands)	Allowance for Loan Losses		Allowance for Unfunded Commitments		CECL Day 1 Adjustment		ACLL Beginning Balance
Commercial and industrial	$	91,133	$	12,276	$	48,921	$	152,330
Commercial real estate - owner occupied	10,284		127		(1,851)		8,560
Commercial and business lending	101,417		12,403		47,070		160,890
Commercial real estate - investor	40,514		530		2,287		43,331
Real estate construction	24,915		7,532		25,814		58,261
Commercial real estate lending	65,428		8,062		28,101		101,591
Total Commercial	166,846		20,465		75,171		262,482
Residential mortgage	16,960		—		33,215		50,175
Home equity	10,926		1,038		14,240		26,204
Other consumer	6,639		405		8,520		15,564
Total consumer	34,525		1,443		55,975		91,943
Total loans	$	201,371	$	21,907	$	131,147	$	354,425

The allowance for credit losses on held to maturity securities was approximately $61,000 at January 1, 2020, attributable entirely to the Corporation's municipal securities.

At January 1, 2020, the adoption of ASU 2016-13 resulted in an increase to the allowance for loan losses of $112 million and an increase to the allowance for unfunded commitments of $19 million for a total increase to the ACLL of $131 million. A corresponding after tax decrease to common equity of $98 million was recorded along with a deferred tax asset of $33 million.

New Accounting Pronouncements Adopted

Standard	Description	Date of adoption	Effect on financial statements
ASU 2016-13 Financial Instruments - Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments	The FASB issued an amendment to replace the current incurred loss impairment methodology. Under the new guidance, entities will be required to measure expected credit losses by utilizing forward-looking information to assess an entity's ACL. The guidance also requires consideration of a broader range of reasonable and supportable information to inform credit loss estimates. The measurement of expected credit losses is based on relevant information about past events, including historical experience, current conditions, and reasonable and supportable forecasts that affect the collectability of the reported amount. An entity must use judgment in determining the relevant information and estimation methods that are appropriate in its circumstances. This amendment was effective for fiscal years beginning after December 15, 2019, including interim periods within those fiscal years. Entities should apply the amendment by means of a cumulative-effect adjustment to retained earnings as of the beginning of the fiscal year of adoption. ASU 2018-19 was issued to clarify that receivables arising from operating leases are not within the scope of Subtopic 326-20. Instead, impairment of receivables arising from operating leases should be accounted for in accordance with Topic 842, Leases. ASU 2019-04 was issued and provided entities alternatives for measurement of accrued interest receivable, clarified the steps entities should take when recording the transfer of loans or debt securities between measurement classifications or categories and clarifies that entities should include expected recoveries on financial assets. ASU 2019-05 was issued to provide entities that have certain instruments within the scope of Subtopic 320-20 with an option to irrevocably elect the fair value option in Subtopic 825-10. ASU 2020-02 was issued to further explain the measurement of current expected credit losses and the development, governance, and documentation of a systematic methodology.	1st Quarter 2020	The Corporation has adopted the Update using a modified retrospective approach. The Corporation has developed a CECL allowance model which calculates reserves over the life of the loan and is largely driven by portfolio characteristics, risk-grading, economic outlook, and key methodology assumptions. Those assumptions are based upon the existing probability of default and loss given default framework. At adoption, the Corporation utilized a single economic forecast over a 2-year reasonable and supportable forecast period. In the second year, the Corporation used straight-line reversion to historical losses. The Corporation recorded a $131 million adjustment to the ACL related to the adoption of this standard, which includes $61 thousand related to the held to maturity investment securities portfolio. The Corporation has elected to maintain pools accounted for under Subtopic 310-30 at adoption. The Corporation has elected to utilize the 2019 Capital Transition Relief for initial adoption, as well as the 2020 Capital Transition Relief as permitted under applicable regulations. The total impact at adoption equates to an approximately 29 bp net, after tax, reduction in the tangible common equity ratio. Results for the periods after January 1, 2020 are presented in accordance with ASC 326 while prior period amounts continue to be reported in accordance with previously applicable standards.

16

Standard	Description	Date of adoption	Effect on financial statements
ASU 2018-13 Fair Value Measurement (Topic 820): Disclosure Framework—Changes to the Disclosure Requirements for Fair Value Measurement	The FASB issued an amendment to add, modify, and remove disclosure requirements on fair value measurements in Topic 820, Fair Value Measurement, based on the FASB Concepts Statement "Conceptual Framework for Financial Reporting," including the consideration of costs and benefits. The amendment was effective for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2019. The amendments on changes in unrealized gains and losses, the range and weighted average of significant unobservable inputs used to develop Level 3 fair value measurements, and the narrative description of measurement uncertainty should be applied prospectively for only the most recent interim or annual period presented in the initial fiscal year of adoption. All other amendments should be applied retrospectively to all periods presented upon their effective date.	1st Quarter 2020	The Corporation has evaluated and determined it has an immaterial impact with minor changes in presentation.
ASU 2017-04 Intangibles - Goodwill and Other (Topic 350): Simplifying the Test for Goodwill Impairment	The FASB issued an amendment to simplify the subsequent quantitative measurement of goodwill by eliminating step two from the goodwill impairment test. Instead, an entity will perform only step one of its quantitative goodwill impairment test by comparing the fair value of a reporting unit with its carrying amount, and then recognizing an impairment charge for the amount by which the carrying amount exceeds the reporting unit's fair value; however, the loss recognized should not exceed the total amount of goodwill allocated to that reporting unit. An entity will still have the option to perform a qualitative assessment for a reporting unit to determine if the quantitative step one impairment test is necessary. This amendment was effective for annual or interim goodwill impairment tests in fiscal years beginning after December 15, 2019. Entities should apply the amendment prospectively.	1st Quarter 2020	There has been no material impact on results of operations, financial position, and liquidity. The Corporation does its annual impairment testing in May.
ASU 2020-03 Codification Improvements to Financial Instruments	The FASB issued an amendment to further clarify that all entities are required to provide the fair value option disclosures in paragraphs 825-10-50-24 through 50-32. The amendment also states that paragraphs 820-10-35-2A(g) and 820-10-35-18L are to include the phrase nonfinancial items accounted for as derivatives under Topic 815 to be consistent with the previous amendments to Section 820-10-35 that were made by ASU No. 2018-09, Codification Improvements. The amendment also clarifies that the disclosure requirements in Topic 320 apply to the disclosure requirements in Topic 942 for depository and lending institutions along with improving the understandability of the guidance relating to subtopic 470-50 and subtopic 820-10. Lastly, the amendment clarifies that the contractual term of a net investment in a lease determined in accordance with Topic 842 should be the contractual term used to measure expected credit losses under Topic 326 and that when an entity regains control of financial assets sold, an ACL should be recorded in accordance with Topic 326.	1st Quarter 2020	The Corporation has evaluated and determined it has an immaterial impact.
ASU 2020-04 Reference Rate Reform (Topic 848): Facilitation of the Effects of Reference Rate Reform on Financial Reporting	The FASB issued an amendment to provide optional expedients and exceptions for applying GAAP to contracts, hedging relationships, and other transactions affected by reference rate reform if certain criteria are met. The amendment only applies to contracts, hedging relationships, and other transactions that reference LIBOR or another reference rate expected to be discontinued because of reference rate reform. The expedients and exceptions provided by the amendments do not apply to contract modifications made and hedging relationships entered into or evaluated after December 31, 2022, except for hedging relationships existing as of December 31, 2022, that an entity has elected certain optional expedients for and that are retained through the end of the hedging relationship.	1st Quarter 2020	The Corporation has evaluated the impact of the Update and determined the expedients provided allow for simpler, more streamlined modifications to the financial instruments referencing LIBOR. A small population of loans have been modified under the new standard.

17

Future Accounting Pronouncements

The expected impact of accounting pronouncements recently issued or proposed but not yet required to be adopted are displayed in the table below:

Standard	Description	Date of anticipated adoption	Effect on financial statements
ASU 2018-14 Compensation—Retirement Benefits—Defined Benefit Plans—General (Subtopic 715-20): Disclosure Framework—Changes to the Disclosure Requirements for Defined Benefit Plans	The FASB issued an amendment to modify the disclosure requirements for employers that sponsor defined benefit pension or other postretirement plans. The amendments also added requirements to disclose the weighted-average interest crediting rates for cash balance plans and other plans with promised interest crediting rates and an explanation of the reasons for significant gains and losses related to changes in the benefit obligation for the period. The amendment also clarifies the disclosure requirements in paragraph 715-20-50-3, which states that certain information for defined benefit pension plans should be disclosed. The amendments in this Update remove disclosures that no longer are considered cost beneficial, clarify the specific requirements of disclosures, and add disclosure requirements identified as relevant. The amendment is effective for fiscal years ending after December 15, 2020. Entities should apply the amendments in this Update on a retrospective basis to all periods presented. Early adoption is permitted.	1st Quarter 2021	The Corporation is currently evaluating the impact on its results of operations, financial position, and liquidity.
ASU 2020-01 Investments-Equity Securities (Topic 321), Investments-Equity Method and Joint Ventures (Topic 323), and Derivatives and Hedging (Topic 815) Clarifying the Interactions between Topic 321, Topic 323, and Topic 815	The FASB issued an amendment to clarify the interaction of the accounting for equity securities under Topic 321 and investments accounted for under the equity method of accounting in Topic 323 and the accounting for certain forward contracts and purchased options accounted for under Topic 815. The amendments clarify that an entity should consider observable transactions that require it to either apply or discontinue the equity method of accounting for the purposes of applying the measurement alternative in accordance with Topic 321 immediately before applying or upon discontinuing the equity method. The amendments also clarify that for the purpose of applying paragraph 815-10-15-141(a) an entity should not consider whether, upon the settlement of the forward contract or exercise of the purchased option, individually or with existing investments, the underlying securities would be accounted for under the equity method in Topic 323 or the fair value option in accordance with the financial instruments guidance in Topic 825. An entity also would evaluate the remaining characteristics in paragraph 815-010-15-141 to determine the accounting for those forward contracts and purchased options.	1st Quarter 2021	The Corporation is currently evaluating the impact on its results of operations, financial position, and liquidity.

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Note 4 Earnings Per Common Share

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

	Three Months Ended June 30,				Six Months Ended June 30,
(In Thousands, except per share data)	2020		2019		2020		2019
Net income	$	148,718	$	84,661	$	194,555	$	171,347
Preferred stock dividends	(4,144)		(3,801)		(7,945)		(7,601)
Net income available to common equity	$	144,573	$	80,860	$	186,611	$	163,746
Common shareholder dividends	(27,667)		(27,571)		(55,931)		(55,650)
Unvested share-based payment awards	(222)		(205)		(351)		(308)
Undistributed earnings	$	116,684	$	53,085	$	130,329	$	107,787
Undistributed earnings allocated to common shareholders	$	115,750	$	52,690	$	129,377	$	107,098
Undistributed earnings allocated to unvested share-based payment awards	934		395		953		689
Undistributed earnings	$	116,684	$	53,085	$	130,329	$	107,787
Basic
Distributed earnings to common shareholders	$	27,667	$	27,571	$	55,931	$	55,650
Undistributed earnings allocated to common shareholders	115,750		52,690		129,377		107,098
Total common shareholders earnings, basic	$	143,417	$	80,261	$	185,307	$	162,748
Diluted
Distributed earnings to common shareholders	$	27,667	$	27,571	$	55,931	$	55,650
Undistributed earnings allocated to common shareholders	115,750		52,690		129,377		107,098
Total common shareholders earnings, diluted	$	143,417	$	80,261	$	185,307	$	162,748
Weighted average common shares outstanding	152,393		162,180		153,547		163,049
Effect of dilutive common stock awards	757		1,492		813		1,469
Diluted weighted average common shares outstanding	153,150		163,672		154,360		164,518
Basic earnings per common share	$	0.94	$	0.49	$	1.21	$	1.00
Diluted earnings per common share	$	0.94	$	0.49	$	1.20	$	0.99

Non-dilutive common stock options of approximately 8 million and 4 million for the three months ended June 30, 2020 and 2019, respectively, and 7 million and 3 million for the six months ended June 30, 2020 and 2019, respectively, were excluded from the earnings per common share calculation.

Note 5 Stock-Based Compensation

The fair value of stock options granted is estimated on the date of grant using a Black-Scholes option pricing model, while the fair value of restricted stock awards is their fair market value on the date of grant. The fair values of stock options and restricted stock awards are amortized as compensation expense on a straight-line basis over the vesting period of the grants. For retirement eligible colleagues, whose employment meets the definitions under the 2017 Incentive Compensation Plan, and subsequent 2020 Incentive Compensation Plan, expenses related to stock options and restricted stock awards are fully recognized on the date the colleague meets the definition of normal or early retirement. Compensation expense recognized is included in personnel expense on the consolidated statements of income.

Assumptions are used in estimating the fair value of stock options granted. The weighted average expected life of the stock option represents the period of time stock options are expected to be outstanding and is estimated using historical data of stock option exercises and forfeitures. The risk-free interest rate is based on the U.S. Treasury yield curve in effect at the time of grant. The expected volatility is based on the implied volatility of the Corporation’s stock.

19

The following assumptions were used in estimating the fair value for options granted in the first six months of 2020 and full year 2019:

	2020		2019
Dividend yield	3.50	%	3.30	%
Risk-free interest rate	1.60	%	2.60	%
Weighted average expected volatility	21.00	%	24.00	%
Weighted average expected life	5.75 years		5.75 years
Weighted average per share fair value of options	$2.39		$4.00

A summary of the Corporation’s stock option activity for the six months ended June 30, 2020 is presented below:

Stock Options	Shares(a)	Weighted Average Exercise Price		Weighted Average Remaining Contractual Term	Aggregate Intrinsic Value(a)
Outstanding at December 31, 2019	5,543	$	20.13	6.25 years	$	16,043
Granted	1,697	18.43
Exercised	(110)	13.95
Forfeited or expired	(219)	22.30
Outstanding at June 30, 2020	6,911	$	19.74	6.73 years	$	213
Options Exercisable at June 30, 2020	4,242	$	19.21	5.32 years	$	213

(a) In thousands

Intrinsic value represents the amount by which the fair market value of the underlying stock exceeds the exercise price of the stock option. For the six months ended June 30, 2020, the intrinsic value of stock options exercised was less than $1 million compared to $3 million for the six months ended June 30, 2019. The total fair value of stock options vested was $3 million for the six months ended June 30, 2020, compared to $4 million for the six months ended June 30, 2019.

The Corporation recognized compensation expense for the vesting of stock options of $3 million for both the six months ended June 30, 2020 and June 30, 2019. Included in compensation expense for 2020 was approximately $1 million of expense for the accelerated vesting of stock options granted to retirement eligible colleagues. At June 30, 2020, the Corporation had approximately $4 million of unrecognized compensation expense related to stock options that is expected to be recognized over the remaining requisite service periods that extend predominately through the first quarter of 2024.

The Corporation also has issued time-based and performance-based restricted stock awards under the 2017 Incentive Compensation Plan and subsequent 2020 Incentive Compensation Plan. Performance awards are based on performance goals of earnings per share and total shareholder return with vesting ranging from a minimum of 0% to a maximum of 150% of the target award. Performance awards are valued utilizing a Monte Carlo simulation model to estimate fair value of the awards at the grant date.

The following table summarizes information about the Corporation’s restricted stock awards activity for the six months ended June 30, 2020:

Restricted Stock Awards	Shares(a)	Weighted Average Grant Date Fair Value
Outstanding at December 31, 2019	2,393	$	22.39
Granted	1,032	18.38
Vested	(804)	23.05
Forfeited	(72)	22.64
Outstanding at June 30, 2020	2,550	$	20.56

(a) In thousands

The Corporation amortizes the expense related to restricted stock awards as compensation expense over the vesting period specified in the grant's award agreement. Performance-based restricted stock awards granted during 2019 and 2020 will vest ratably over a period of three years. Service-based restricted stock awards granted during 2019 and 2020 will vest ratably over a period of four years. Expense for restricted stock awards issued of approximately $12 million was recorded for the six months ended June 30, 2020 and $13 million was recorded for the six months ended June 30, 2019. Included in compensation expense for the first six months of 2020 was approximately $5 million of expense for the accelerated vesting of restricted stock awards granted to retirement eligible colleagues. The Corporation had $23 million of unrecognized compensation costs related to restricted stock awards at June 30, 2020 that are expected to be recognized over the remaining requisite service periods that extend predominately through the first quarter of 2024.

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At the Corporation’s 2020 Annual Meeting of Shareholders held on April 28, 2020, the Corporation’s shareholders approved the Associated Banc-Corp 2020 Incentive Compensation Plan, which provides for various types of awards to the Company’s executive officers, employees, consultants and non-employee directors, including, among others, stock options, restricted stock, restricted stock units and performance units.

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

Note 6 Investment Securities

Investment securities are classified as available for sale, held to maturity, or equity on the consolidated balance sheets at the time of purchase. The amortized cost and fair values of securities available for sale and held to maturity at June 30, 2020 were as follows:

($ in Thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized (Losses)		Fair Value
Investment securities available for sale
U. S. Treasury securities	$	26,646	$	88	$	—	$	26,735
Agency securities	24,982		25		—		25,007
Obligations of state and political subdivisions (municipal securities)	471,346		24,542		—		495,888
Residential mortgage-related securities
FNMA / FHLMC	813,458		4,652		—		818,110
GNMA	592,338		13,222		—		605,561
Commercial mortgage-related securities
FNMA / FHLMC	19,793		2,269		—		22,061
GNMA	782,577		20,786		—		803,362
Asset backed securities
FFELP	356,532		—		(16,058)		340,474
SBA	9,619		—		(44)		9,575
Other debt securities	3,000		—		—		3,000
Total investment securities available for sale	$	3,100,291	$	65,584	$	(16,102)	$	3,149,773
Investment securities held to maturity
U. S. Treasury securities	$	999	$	36	$	—	$	1,036
Obligations of state and political subdivisions (municipal securities)	1,435,938		110,132		(53)		1,546,018
Residential mortgage-related securities
FNMA / FHLMC	71,872		3,400		—		75,271
GNMA	207,908		7,012		—		214,920
GNMA commercial mortgage-related securities	360,570		11,691		—		372,261
Total investment securities held to maturity	$	2,077,287	$	132,271	$	(53)	$	2,209,505

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The amortized cost and fair values of securities available for sale and held to maturity at December 31, 2019 were as follows:

($ in Thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized (Losses)		Fair Value
Investment securities available for sale
Obligations of state and political subdivisions (municipal securities)	$	529,908	$	16,269	$	(18)	$	546,160
Residential mortgage-related securities
FNMA / FHLMC	131,158		1,562		(59)		132,660
GNMA	982,941		3,887		(1,689)		985,139
Commercial mortgage-related securities
FNMA / FHLMC	19,929		1,799		—		21,728
GNMA	1,314,836		7,403		(12,032)		1,310,207
FFELP asset backed securities	270,178		—		(6,485)		263,693
Other debt securities	3,000		—		—		3,000
Total investment securities available for sale	$	3,251,950	$	30,920	$	(20,284)	$	3,262,586
Investment securities held to maturity
U. S. Treasury securities	$	999	$	19	$	—	$	1,018
Obligations of state and political subdivisions (municipal securities)	1,418,569		69,775		(1,118)		1,487,227
Residential mortgage-related securities
FNMA / FHLMC	81,676		1,759		(15)		83,420
GNMA	269,523		1,882		(1,108)		270,296
GNMA commercial mortgage-related securities	434,317		6,308		(6,122)		434,503
Total investment securities held to maturity	$	2,205,083	$	79,744	$	(8,363)	$	2,276,465

Expected maturities may differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties. The expected maturities of investment securities available for sale and held to maturity at June 30, 2020 are shown below:

	Available for Sale					Held to Maturity
($ in Thousands)	Amortized Cost		Fair Value			Amortized Cost		Fair Value
Due in one year or less	$	9,427	$	9,458		$	33,745	$	33,927
Due after one year through five years	83,136		83,882			67,917		69,887
Due after five years through ten years	343,084		360,051			166,553		175,189
Due after ten years	90,327		97,240			1,168,722		1,268,050
Total debt securities	525,975		550,630			1,436,937		1,547,053
Residential mortgage-related securities
FNMA / FHLMC	813,458		818,110			71,872		75,271
GNMA	592,338		605,561			207,908		214,920
Commercial mortgage-related securities
FNMA / FHLMC	19,793		22,061			—		—
GNMA	782,577		803,362			360,570		372,261
Asset backed securities
FFELP	356,532		340,474			—		—
SBA	9,619		9,575			—		—
Total investment securities	$	3,100,291	$	3,149,773		$	2,077,287	$	2,209,505
Ratio of fair value to amortized cost			101.6		%			106.4		%

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On a quarterly basis, the Corporation refreshes the credit quality of each held to maturity security. The following table summarizes the credit quality indicators of held to maturity securities at amortized cost at June 30, 2020:

($ in Thousands)	AAA		AA		A		Total
U. S. Treasury securities	$	999	$	—	$	—	$	999
Obligations of state and political subdivisions (municipal securities)	561,670		853,910		20,358		1,435,938
Residential mortgage-related securities
FNMA/FHLMC	71,872		—		—		71,872
GNMA	207,908		—		—		207,908
GNMA commercial mortgage-related securities	360,570		—		—		360,570
Total held to maturity securities	$	1,203,018	$	853,910	$	20,358	$	2,077,287

Investment securities gains (losses), net includes proceeds from the sale of investment securities as well as any applicable write-ups or write-downs of investment securities. The proceeds from the sale of investment securities for the three and six months ended June 30, 2020 and 2019 are shown below:

	Three Months Ended June 30,				Six Months Ended June 30,
($ in Thousands)	2020		2019		2020		2019
Gross gains on available for sale securities	$	3,106	$	654	$	9,304	$	2,334
Gross gains on held to maturity securities	—		—		—		—
Total gains	3,106		654		9,304		2,334
Gross (losses) on available for sale securities	(11)		(13,636)		(90)		(13,636)
Gross (losses) on held to maturity securities	—		—		—		—
Total (losses)	(11)		(13,636)		(90)		(13,636)
Write-up of equity securities without readily determinable fair values	—		13,444		—		13,444
Investment securities gains (losses), net	$	3,096	$	463	$	9,214	$	2,143
Proceeds from sales of investment securities	$	261,037	$	803,105	$	626,276	$	934,228

During the second quarter of 2020, the Corporation sold $261 million of less liquid securities at a gain of $3 million, reinvesting the proceeds into more liquid securities in order to further improve portfolio liquidity. During the first quarter of 2020, the Corporation sold $281 million of primarily prepayment sensitive mortgage-related securities at a gain of $6 million. Additionally, in February 2020, the Corporation sold $84 million of certain securities acquired in the First Staunton acquisition that did not fit the parameters of the Corporation's current investment strategy.

During the first six months of 2019, the Corporation sold $934 million of taxable floating rate ABS and shorter duration MBS, and CMO Agency securities, with the proceeds utilized to pay down borrowings and to reinvest into higher yielding Agency related mortgage securities with slightly longer durations, repositioning the portfolio for a stable to declining rate environment. The Corporation also donated 42,039 shares of Visa Class B restricted shares to the Corporation's Charitable Remainder Trust during the second quarter of 2019, and the subsequent sale of those shares by the Trust resulted in an observable market price. As a result, the Corporation wrote up its remaining 77,000 Visa Class B restricted shares to fair value. Based on the existing transfer restriction and the uncertainty of covered litigation, the shares were previously carried at a zero cost basis.

Investment securities with a carrying value of approximately $1.9 billion and $2.6 billion at June 30, 2020 and December 31, 2019, respectively, were pledged to secure certain deposits or for other purposes as required or permitted by law.

Accrued interest receivable on held to maturity securities totaled $15 million and $16 million at June 30, 2020 and December 31, 2019, respectively. Accrued interest receivable on available for sale securities totaled $9 million and $10 million at June 30, 2020 and December 31, 2019, respectively. Accrued interest receivable on both held to maturity and available for sale securities is included in interest receivable on the consolidated balance sheets. There was no interest income reversed for investments going into nonaccrual at June 30, 2020 or December 31, 2019.

A security is considered past due once it is 30 days contractually past due under the terms of the agreement. At June 30, 2020, the Corporation had no past due held to maturity securities.

The allowance for credit losses on held to maturity securities was approximately $61,000 at June 30, 2020, attributable entirely to the Corporation's municipal securities, included in investment securities held to maturity, net, at amortized cost on the consolidated balance sheets. The Corporation also holds U.S. Treasury and residential mortgage-related securities issued by the U.S. government or a GSE which are backed by the full faith and credit of the U.S. government and, as a result, no allowance for credit losses has been recorded related to these securities.

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The following represents gross unrealized losses and the related fair value of investment securities available for sale and held to maturity, aggregated by investment category and length of time individual securities have been in a continuous unrealized loss position, at June 30, 2020:

	Less than 12 months					12 months or more					Total
($ in Thousands)	Number of Securities	Unrealized (Losses)		Fair Value		Number of Securities	Unrealized (Losses)		Fair Value		Unrealized (Losses)		Fair Value
Investment securities available for sale
Obligations of state and political subdivisions (municipal securities)	1	$	—	$	548	—	$	—	$	—	$	—	$	548
FNMA / FHLMC residential mortgage-related securities	5	—		54,893		—	—		—		—		54,893
Asset backed securities
FFELP	9	(5,478)		147,310		17	(10,580)		193,164		(16,058)		340,474
SBA	15	(44)		9,422		—	—		—		(44)		9,422
Total	30	$	(5,522)	$	212,172	17	$	(10,580)	$	193,164	$	(16,102)	$	405,336
Investment securities held to maturity
Obligations of state and political subdivisions (municipal securities)	8	$	(52)	$	12,431	2	$	(1)	$	365	$	(53)	$	12,796
Total	8	$	(52)	$	12,431	2	$	(1)	$	365	$	(53)	$	12,796

For comparative purposes, the following represents gross unrealized losses and the related fair value of investment securities available for sale and held to maturity, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position, at December 31, 2019:

	Less than 12 months					12 months or more					Total
($ in Thousands)	Number of Securities	Unrealized (Losses)		Fair Value		Number of Securities	Unrealized (Losses)		Fair Value		Unrealized (Losses)		Fair Value
Investment securities available for sale
Obligations of state and political subdivisions (municipal securities)	4	$	(18)	$	1,225	—	$	—	$	—	$	(18)	$	1,225
Residential mortgage-related securities
FNMA / FHLMC	—	—		—		4	(59)		34,807		(59)		34,807
GNMA	18	(924)		322,394		3	(766)		79,461		(1,689)		401,856
GNMA commercial mortgage-related securities	22	(810)		258,218		42	(11,222)		621,307		(12,032)		879,524
FFELP asset backed securities	19	(6,092)		250,780		2	(393)		12,913		(6,485)		263,693
Other debt securities	2	—		2,000		—	—		—		—		2,000
Total	65	$	(7,843)	$	834,616	51	$	(12,440)	$	748,487	$	(20,284)	$	1,583,104
Investment securities held to maturity
Obligations of state and political subdivisions (municipal securities)	52	$	(1,105)	$	77,562	6	$	(13)	$	2,378	$	(1,118)	$	79,940
Residential mortgage-related securities
FNMA / FHLMC	1	(6)		1,242		1	(9)		833		(15)		2,075
GNMA	12	(1,059)		187,261		8	(49)		6,587		(1,108)		193,849
GNMA commercial mortgage-related securities	2	(29)		26,202		21	(6,093)		357,733		(6,122)		383,935
Total	67	$	(2,199)	$	292,267	36	$	(6,164)	$	367,532	$	(8,363)	$	659,799

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

Based on the Corporation’s evaluation, management does not believe any available for sale securities in an unrealized loss position at June 30, 2020 represent credit deterioration as these unrealized losses are primarily attributable to changes in interest rates and the current market conditions. The fair value of municipal securities, which pertains to various state and local political subdivisions and school districts, has increased due to the decrease in overall interest rates, resulting in lower unrealized losses at June 30, 2020. The U.S. Treasury 3 year and 5 year rates decreased by 144 bp and 140 bp, respectively, from December 31,

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2019. The Corporation does not intend to sell nor does it believe that it will be required to sell the securities in an unrealized loss position before recovery of their amortized cost basis.

FHLB and Federal Reserve Bank stocks: The Corporation is required to maintain Federal Reserve Bank stock and FHLB stock as a member of both the Federal Reserve System and the FHLB, and in amounts as required by these institutions. These equity securities are “restricted” in that they can only be sold back to the respective institutions or another member institution at par. Therefore, they are less liquid than other marketable equity securities and their fair value is equal to amortized cost. At June 30, 2020 and December 31, 2019, the Corporation had FHLB stock of $126 million and $149 million, respectively. The Corporation had Federal Reserve Bank stock of $81 million and $78 million at June 30, 2020 and December 31, 2019, respectively. Accrued interest receivable on FHLB stock totaled $2 million at both June 30, 2020 and December 31, 2019. There was no accrued interest receivable on Federal Reserve Bank stock at either June 30, 2020 or December 31, 2019. Accrued interest receivable on both FHLB stock and Federal Reserve Bank stock is included in interest receivable on the consolidated balance sheets.

Equity Securities

Equity securities with readily determinable fair values: The Corporation's portfolio of equity securities with readily determinable fair values is primarily comprised of CRA Qualified Investment mutual funds. At both June 30, 2020 and December 31, 2019, the Corporation had equity securities with readily determinable fair values of $2 million.

Equity securities without readily determinable fair values: The Corporation's portfolio of equity securities without readily determinable fair values consists of 77,996 Visa Class B restricted shares, 77,000 of which the Corporation received in 2008 as part of Visa's initial public offering and carried at fair value after the Corporation donated 42,039 Visa Class B restricted shares to the Corporation's Charitable Remainder Trust during the second quarter of 2019, with the subsequent sale of those shares resulting in an observable market price after the shares were previously carried at a zero cost basis. During the first quarter of 2020, the Corporation also acquired 996 Visa Class B restricted shares from the acquisition of First Staunton, and those shares are carried at a zero cost basis due to the lack of an observable market price since the time of acquisition. The Corporation had equity securities without readily determinable fair values of $13 million at both June 30, 2020 and December 31, 2019.

Note 7 Loans

The period end loan composition was as follows:

($ in Thousands)	June 30, 2020		December 31, 2019
PPP	$	1,012,033	$	—
Commercial and industrial	7,968,709		7,354,594
Commercial real estate — owner occupied	914,385		911,265
Commercial and business lending	9,895,127		8,265,858
Commercial real estate — investor	4,174,125		3,794,517
Real estate construction	1,708,189		1,420,900
Commercial real estate lending	5,882,314		5,215,417
Total commercial	15,777,441		13,481,275
Residential mortgage	7,933,518		8,136,980
Home equity	795,671		852,025
Other consumer	326,040		351,159
Total consumer	9,055,230		9,340,164
Total loans	$	24,832,671	$	22,821,440

Accrued interest receivable on loans totaled $60 million at June 30, 2020, and $63 million at December 31, 2019 and is included in interest receivable on the consolidated balance sheets. Interest accrued but not received for loans placed on nonaccrual is reversed against interest income. The amount of accrued interest reversed totaled $1 million for both the three and six months ended June 30, 2020.

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The following table presents commercial and consumer loans by credit quality indicator by vintage year at June 30, 2020:

					Term Loans Amortized Cost Basis by Origination Year(a)
($ in Thousands)	Rev Loans Converted to Term(a)		Rev Loans Amortized Cost Basis		YTD 2020		2019		2018		2017		2016		Prior		Total
PPP:(b)
Risk rating:
Pass	$	—	$	—	$	985,462	$	—	$	—	$	—	$	—	$	—	$	985,462
Special Mention	—		—		7,409		—		—		—		—		—		7,409
Potential Problem	—		—		19,161		—		—		—		—		—		19,161
Paycheck Protection Program	$	—	$	—	$	1,012,033	$	—	$	—	$	—	$	—	$	—	$	1,012,033
Commercial and industrial:
Risk rating:
Pass	$	20	$	1,832,797	$	929,266	$	1,759,308	$	1,650,024	$	597,967	$	361,006	$	531,995	$	7,662,364
Special Mention	—		12,802		379		23,783		7,299		15		5,541		17		49,836
Potential Problem(c)	517		12,963		17,235		16,544		66,699		52,176		8,492		2,162		176,270
Nonaccrual(d)	14,465		—		1,597		7,140		188		24,550		16,624		30,141		80,239
Commercial and industrial	$	15,003	$	1,858,562	$	948,477	$	1,806,776	$	1,724,210	$	674,708	$	391,662	$	564,314	$	7,968,709
Commercial real estate - owner occupied:
Risk rating:
Pass	$	1,150	$	17,897	$	94,106	$	213,234	$	131,748	$	121,963	$	166,366	$	111,790	$	857,103
Special Mention	—		—		2,450		16,317		12,776		128		2,439		5,321		39,432
Potential Problem	—		77		661		1,409		1,923		2,461		6,106		3,281		15,919
Nonaccrual	—		—		—		—		223		335		—		1,374		1,932
Commercial real estate - owner occupied	$	1,150	$	17,973	$	97,217	$	230,960	$	146,670	$	124,887	$	174,911	$	121,768	$	914,385
Commercial and business lending:
Risk rating:
Pass	$	1,170	$	1,850,694	$	2,008,834	$	1,972,542	$	1,781,772	$	719,930	$	527,371	$	643,786	$	9,504,929
Special Mention	—		12,802		10,239		40,100		20,075		143		7,979		5,338		96,677
Potential Problem(c)	517		13,040		37,058		17,953		68,622		54,637		14,598		5,443		211,350
Nonaccrual(d)	14,465		—		1,597		7,140		411		24,884		16,624		31,515		82,171
Commercial and business lending	$	16,153	$	1,876,535	$	2,057,727	$	2,037,736	$	1,870,880	$	799,595	$	566,572	$	686,082	$	9,895,127
Commercial real estate - investor:
Risk rating:
Pass	$	—	$	176,047	$	847,031	$	1,083,145	$	836,244	$	378,098	$	400,279	$	288,644	$	4,009,488
Special Mention	—		—		12,886		4,869		17,098		3,686		17,180		9,509		65,228
Potential Problem	—		803		14,703		52,762		3,313		314		1,796		14,547		88,237
Nonaccrual	446		—		395		10,256		446		—		—		75		11,172
Commercial real estate - investor	$	446	$	176,850	$	875,014	$	1,151,033	$	857,101	$	382,098	$	419,255	$	312,775	$	4,174,125
Real estate construction:
Risk rating:
Pass	$	—	$	67,584	$	279,683	$	810,738	$	434,146	$	69,790	$	3,095	$	22,066	$	1,687,100
Special Mention	—		—		—		—		18,402		—		—		12		18,414
Potential Problem	—		—		—		211		358		1,557		—		45		2,170
Nonaccrual	—		—		—		—		—		—		—		503		503
Real estate construction	$	—	$	67,584	$	279,683	$	810,949	$	452,906	$	71,346	$	3,095	$	22,627	$	1,708,189
Commercial real estate lending:
Risk rating:
Pass	$	—	$	243,630	$	1,126,713	$	1,893,883	$	1,270,390	$	447,888	$	403,374	$	310,710	$	5,696,589
Special Mention	—		—		12,886		4,869		35,500		3,686		17,180		9,522		83,643
Potential Problem	—		803		14,703		52,973		3,670		1,870		1,796		14,592		90,407
Nonaccrual	446		—		395		10,256		446		—		—		578		11,675
Commercial real estate lending	$	446	$	244,433	$	1,154,696	$	1,961,982	$	1,310,007	$	453,444	$	422,349	$	335,402	$	5,882,314

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					Term Loans Amortized Cost Basis by Origination Year(a)
($ in Thousands)	Rev Loans Converted to Term(a)		Rev Loans Amortized Cost Basis		YTD 2020		2019		2018		2017		2016		Prior		Total
Total commercial:
Risk rating:
Pass	$	1,170	$	2,094,324	$	3,135,547	$	3,866,425	$	3,052,162	$	1,167,818	$	930,746	$	954,496	$	15,201,517
Special Mention	—		12,802		23,125		44,969		55,576		3,829		25,159		14,860		180,320
Potential Problem	517		13,843		51,760		70,927		72,292		56,507		16,393		20,035		301,758
Nonaccrual	14,911		—		1,992		17,397		857		24,884		16,624		32,093		93,846
Total commercial	$	16,599	$	2,120,969	$	3,212,424	$	3,999,718	$	3,180,887	$	1,253,039	$	988,922	$	1,021,484	$	15,777,441
Residential mortgage:
Risk rating:
Pass	$	—	$	90	$	943,953	$	1,726,616	$	766,921	$	1,274,176	$	1,160,820	$	1,990,617	$	7,863,194
Special Mention	—		—		—		—		270		—		36		206		511
Potential Problem	—		—		780		707		205		212		226		1,028		3,157
Nonaccrual	—		—		1,758		3,659		6,953		8,434		10,798		35,055		66,656
Residential mortgage	$	—	$	90	$	946,490	$	1,730,982	$	774,348	$	1,282,822	$	1,171,880	$	2,026,905	$	7,933,518
Home equity:
Risk rating:
Pass	$	2,005	$	631,366	$	1,746	$	16,439	$	21,034	$	15,073	$	7,510	$	88,904	$	782,073
Special Mention	233		199		—		—		16		24		—		610		849
Potential Problem	—		1,775		—		—		—		—		—		146		1,921
Nonaccrual	586		673		297		124		491		387		233		8,623		10,829
Home equity	$	2,824	$	634,013	$	2,044	$	16,564	$	21,541	$	15,484	$	7,743	$	98,282	$	795,671
Other consumer:
Risk rating:
Pass	$	15	$	168,601	$	4,497	$	14,764	$	5,581	$	2,811	$	2,015	$	126,920	$	325,190
Special Mention	1		530		—		30		6		—		—		7		574
Nonaccrual	7		84		10		53		22		—		78		30		276
Other consumer	$	22	$	169,215	$	4,507	$	14,847	$	5,610	$	2,811	$	2,094	$	126,957	$	326,040
Total consumer:
Risk rating:
Pass	$	2,020	$	800,057	$	950,196	$	1,757,820	$	793,537	$	1,292,060	$	1,170,346	$	2,206,441	$	8,970,456
Special Mention	234		729		—		30		292		24		36		823		1,934
Potential Problem	—		1,775		780		707		205		212		226		1,174		5,078
Nonaccrual	593		757		2,065		3,836		7,466		8,821		11,110		43,707		77,761
Total consumer	$	2,846	$	803,318	$	953,041	$	1,762,393	$	801,499	$	1,301,117	$	1,181,717	$	2,252,145	$	9,055,230
Total loans:
Risk rating:
Pass	$	3,190	$	2,894,381	$	4,085,744	$	5,624,245	$	3,845,698	$	2,459,878	$	2,101,091	$	3,160,936	$	24,171,974
Special Mention	234		13,531		23,125		44,999		55,868		3,854		25,195		15,683		182,254
Potential Problem	517		15,618		52,540		71,634		72,497		56,719		16,619		21,209		306,836
Nonaccrual	15,504		757		4,056		21,232		8,323		33,705		27,733		75,800		171,607
Total loans	$	19,445	$	2,924,286	$	4,165,465	$	5,762,111	$	3,982,386	$	2,554,155	$	2,170,639	$	3,273,628	$	24,832,671

(a) Revolving loans converted to term loans are also reported in their year of origination

(b) The Corporation’s policy is to assign risk ratings at the borrower level. PPP loans are 100% guaranteed by the SBA and therefore the Corporation considers these loans to have a risk profile similar to pass rated loans.

(c) Includes $63 million of oil and gas related loans

(d) Includes $50 million of oil and gas related loans

27

The following table presents commercial and consumer loans by credit quality indicator at December 31, 2019:

($ in Thousands)	Pass		Special Mention		Potential Problem		Nonaccrual		Total
Commercial and industrial	$	7,118,448	$	79,525	$	110,308	$	46,312	$	7,354,594
Commercial real estate - owner occupied	866,193		25,115		19,889		67		911,265
Commercial and business lending	7,984,641		104,641		130,197		46,380		8,265,858
Commercial real estate - investor	3,620,785		139,873		29,449		4,409		3,794,517
Real estate construction	1,420,374		33		—		493		1,420,900
Commercial real estate lending	5,041,159		139,906		29,449		4,902		5,215,417
Total commercial	13,025,800		244,547		159,646		51,282		13,481,275
Residential mortgage	8,077,122		563		1,451		57,844		8,136,980
Home equity	841,757		1,164		—		9,104		852,025
Other consumer	350,260		748		—		152		351,159
Total consumer	9,269,139		2,475		1,451		67,099		9,340,164
Total loans	$	22,294,939	$	247,022	$	161,097	$	118,380	$	22,821,440

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

For commercial loans, management has determined the pass credit quality indicator to include credits exhibiting acceptable financial statements, cash flow, and leverage. If any risk exists, it is mitigated by the loan structure, collateral, monitoring, or control. For consumer loans, performing loans include credits performing in accordance with the original contractual terms. Loans are considered past due if the required principal and interest payments have not been received as of the date such payments were due. Special mention credits have potential weaknesses that deserve management’s attention. If left uncorrected, these potential weaknesses may result in deterioration of the repayment prospects for the credit. Potential problem loans are considered inadequately protected by the current net worth and paying capacity of the obligor or the collateral pledged. These loans generally have a well-defined weakness, or weaknesses, which may jeopardize liquidation of the debt, and are characterized by the distinct possibility the Corporation will sustain some loss if the deficiencies are not corrected. Management has determined commercial loan relationships in nonaccrual status and commercial and consumer loan relationships with their terms restructured in a TDR meet the criteria to be individually evaluated. Commercial loans classified as special mention, potential problem, and nonaccrual are reviewed at a minimum on a quarterly basis, while pass and performing rated credits are generally reviewed on an annual basis or more frequently if the loan renewal is less than one year or if otherwise warranted.

The following table presents loans by past due status at June 30, 2020:

	Accruing
($ in Thousands)	Current(a)		30-59 Days Past Due		60-89 Days Past Due		90 Days or More Past Due		Nonaccrual(b)(c)		Total
PPP	$	1,012,033	$	—	$	—	$	—	$	—	$	1,012,033
Commercial and industrial	7,887,369		274		442		385		80,239		7,968,709
Commercial real estate - owner occupied	912,254		199		—		—		1,932		914,385
Commercial and business lending	9,811,656		473		442		385		82,171		9,895,127
Commercial real estate - investor	4,149,079		2,886		10,989		—		11,172		4,174,125
Real estate construction	1,707,300		373		12		—		503		1,708,189
Commercial real estate lending	5,856,379		3,259		11,001		—		11,675		5,882,314
Total commercial	15,668,035		3,732		11,443		385		93,846		15,777,441
Residential mortgage	7,863,839		2,789		233		—		66,656		7,933,518
Home equity	781,735		2,259		849		—		10,829		795,671
Other consumer	323,201		883		599		1,081		276		326,040
Total consumer	8,968,775		5,932		1,681		1,081		77,761		9,055,230
Total loans	$	24,636,810	$	9,664	$	13,125	$	1,466	$	171,607	$	24,832,671

(a) Any deferred loans related to COVID-19 are considered current in accordance with Section 4013 of the CARES Act.

(b) Of the total nonaccrual loans, $117 million, or 68%, were current with respect to payment at June 30, 2020.

(c) No interest income was recognized on nonaccrual loans for both the three and six months ended June 30, 2020. In addition, there were $91 million of nonaccrual loans for which there was no related ACLL at June 30, 2020.

28

The following table presents loans by past due status at December 31, 2019:

	Accruing
($ in Thousands)	Current		30-59 Days Past Due		60-89 Days Past Due		90 Days or More Past Due		Nonaccrual(a)		Total
Commercial and industrial	$	7,307,118	$	576	$	245	$	342	$	46,312	$	7,354,594
Commercial real estate - owner occupied	909,828		1,369		—		—		67		911,265
Commercial and business lending	8,216,947		1,945		245		342		46,380		8,265,858
Commercial real estate - investor	3,788,296		1,812		—		—		4,409		3,794,517
Real estate construction	1,420,310		64		33		—		493		1,420,900
Commercial real estate lending	5,208,606		1,876		33		—		4,902		5,215,417
Total commercial	13,425,552		3,821		278		342		51,282		13,481,275
Residential mortgage	8,069,863		8,749		525		—		57,844		8,136,980
Home equity	837,274		4,483		1,164		—		9,104		852,025
Other consumer	347,007		1,135		949		1,917		152		351,159
Total consumer	9,254,144		14,366		2,638		1,917		67,099		9,340,164
Total loans	$	22,679,696	$	18,188	$	2,916	$	2,259	$	118,380	$	22,821,440

(a) Of the total nonaccrual loans, $48 million, or 41%, were current with respect to payment at December 31, 2019.

29

The following table presents impaired loans individually evaluated under ASC Topic 310, excluding $2 million of purchased credit-impaired loans, at December 31, 2019: 

($ in Thousands)	Recorded Investment		Unpaid Principal Balance		Related Allowance		Average Recorded Investment		Interest Income Recognized
Loans with a related allowance
Commercial and industrial	$	47,249	$	63,346	$	12,010	$	45,290	$	1,832
Commercial real estate — owner occupied	1,676		1,682		19		1,774		88
Commercial and business lending	48,924		65,028		12,029		47,064		1,919
Commercial real estate — investor	928		2,104		15		950		15
Real estate construction	477		559		67		494		30
Commercial real estate lending	1,405		2,663		82		1,445		45
Total commercial	50,329		67,691		12,111		48,509		1,965
Residential mortgage	21,450		22,625		2,740		23,721		856
Home equity	3,076		3,468		1,190		3,756		191
Other consumer	1,247		1,249		125		1,250		1
Total consumer	25,773		27,342		4,055		28,726		1,047
Total loans with a related allowance	$	76,102	$	95,033	$	16,165	$	77,235	$	3,012
Loans with no related allowance
Commercial and industrial	$	14,787	$	33,438	$	—	$	20,502	$	63
Commercial real estate — owner occupied	—		—		—		—		—
Commercial and business lending	14,787		33,438		—		20,502		63
Commercial real estate — investor	3,705		3,705		—		3,980		159
Real estate construction	—		—		—		—		—
Commercial real estate lending	3,705		3,705		—		3,980		159
Total commercial	18,491		37,142		—		24,482		222
Residential mortgage	14,104		14,461		—		10,962		373
Home equity	1,346		1,383		—		1,017		21
Other consumer	—		—		—		—		—
Total consumer	15,450		15,845		—		11,979		394
Total loans with no related allowance	$	33,941	$	52,987	$	—	$	36,462	$	616
Total
Commercial and industrial	$	62,035	$	96,784	$	12,010	$	65,792	$	1,895
Commercial real estate — owner occupied	1,676		1,682		19		1,774		88
Commercial and business lending	63,711		98,466		12,029		67,566		1,982
Commercial real estate — investor	4,633		5,808		15		4,931		174
Real estate construction	477		559		67		494		30
Commercial real estate lending	5,110		6,367		82		5,425		204
Total commercial	68,820		104,833		12,111		72,991		2,186
Residential mortgage	35,554		37,087		2,740		34,683		1,229
Home equity	4,422		4,851		1,190		4,773		211
Other consumer	1,247		1,249		125		1,250		1
Total consumer	41,223		43,187		4,055		40,706		1,441
Total loans(a)	$	110,043	$	148,020	$	16,165	$	113,697	$	3,628

(a) The net recorded investment (defined as recorded investment, net of the related allowance) of the impaired loans represented 63% of the unpaid principal balance at December 31, 2019.

30

Troubled Debt Restructurings

Loans are considered restructured loans if concessions have been granted to borrowers that are experiencing financial difficulty.

The following table presents nonaccrual and performing restructured loans by loan portfolio:

	June 30, 2020				December 31, 2019
($ in Thousands)	Performing Restructured Loans		Nonaccrual Restructured Loans(a)		Performing Restructured Loans		Nonaccrual Restructured Loans(a)
PPP	$	—	$	—	$	—	$	—
Commercial and industrial	16,321		7,968		16,678		7,376
Commercial real estate — owner occupied	1,441		—		1,676		—
Commercial real estate — investor	114		395		293		—
Real estate construction	313		173		298		179
Residential mortgage	4,178		15,401		3,955		13,035
Home equity	1,717		1,424		1,896		1,904
Other consumer	1,219		—		1,246		1
Total restructured loans(b)	$	25,303	$	25,362	$	26,041	$	22,494

(a) Nonaccrual restructured loans have been included within nonaccrual loans.

(b) Does not include any restructured loans related to COVID-19 in accordance with Section 4013 of the CARES Act.

The Corporation had a recorded investment of $8 million in loans modified in a TDR during the six months ended June 30, 2020, of which $1 million were in accrual status and $7 million were in nonaccrual pending a sustained period of repayment. Short-term loan modifications made in good faith to help ease the adverse effects of COVID-19 are not categorized as TDRs in accordance with regulatory guidance. The following table provides the number of loans modified in a TDR by loan portfolio, the recorded investment and unpaid principal balance for the six months ended June 30, 2020 and 2019:

	Six Months Ended June 30, 2020					Six Months Ended June 30, 2019
($ in Thousands)	Number of Loans	Recorded Investment(a)		Unpaid Principal Balance(b)		Number of Loans	Recorded Investment(a)		Unpaid Principal Balance(b)
PPP	—	$	—	$	—	—	$	—	$	—
Commercial and industrial	2	1,112		1,140		1	196		196
Commercial real estate — owner occupied	1	288		319		—	—		—
Commercial real estate — investor	1	395		1,705		—	—		—
Real estate construction	1	102		102		—	—		—
Residential mortgage	24	5,163		5,237		38	5,665		5,682
Home equity	15	471		483		18	499		506
Other consumer	—	—		—		1	10		10
Total loans modified	44	$	7,531	$	8,986	58	$	6,370	$	6,394

(a) Represents post-modification outstanding recorded investment.

(b) Represents pre-modification outstanding recorded investment.

Restructured loan modifications may include payment schedule modifications, interest rate concessions, maturity date extensions, modification of note structure (A/B Note), non-reaffirmed Chapter 7 bankruptcies, principal reduction, or some combination of these concessions. During the six months ended June 30, 2020, restructured loan modifications of commercial loans primarily included maturity date extensions and payment schedule modifications. Restructured loan modifications of consumer loans primarily included maturity date extensions, interest rate concessions, non-reaffirmed Chapter 7 bankruptcies, or a combination of these concessions for the six months ended June 30, 2020.

The following table provides the number of loans modified in a TDR during the previous twelve months which subsequently defaulted during the six months ended June 30, 2020 and 2019 and the recorded investment in these restructured loans as of June 30, 2020 and 2019:

	Six Months Ended June 30, 2020			Six Months Ended June 30, 2019
($ in Thousands)	Number of Loans	Recorded Investment		Number of Loans	Recorded Investment
Residential mortgage	5	$	1,036	16	$	2,813
Home equity	4	208		14	477
Total loans modified	9	$	1,244	30	$	3,290

31

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

The Corporation analyzes loans for classification as a probable TDR. This analysis includes identifying customers that are showing possible liquidity issues in the near term without reasonable access to alternative sources of capital. At adoption of ASU 2016-13 on January 1, 2020, the Corporation had $114 million in loans meeting this classification compared to $102 million at June 30, 2020. Of the loans classified as probable TDRs at June 30, 2020, $76 million are within the oil and gas portfolio, while one loan with a balance of $26 million, is in general commercial and business lending.

Allowance for Credit Losses on Loans

The ACLL is comprised of the allowance for loan losses and the allowance for unfunded commitments. The level of the ACLL represents management’s estimate of an amount appropriate to provide for expected lifetime credit losses in the loan portfolio at the balance sheet date. A main factor in the determination of the ACLL is the economic forecast. The Corporation utilized the Moody's baseline forecast, updated during June 2020, in the allowance model. The forecast is applied over a 1 year reasonable and supportable period with immediate reversion to historical long run losses. The Corporation changed the reversion methodology during the first quarter of 2020 from straight-line over 1 year to immediate reversion due to the uncertainty within the economic forecasts due to COVID-19. The allowance for unfunded commitments is maintained at a level believed by management to be sufficient to absorb expected lifetime losses related to unfunded credit facilities (including unfunded loan commitments and letters of credit). See Note 12 for additional information on the change in the allowance for unfunded commitments.

32

The following table presents a summary of the changes in the ACLL by portfolio segment for the six months ended June 30, 2020:

($ in Thousands)	Dec. 31, 2019		Cumulative effect of ASU 2016-13 adoption (CECL)		Jan. 1, 2020		Charge offs		Recoveries		Net Charge offs		Gross up of allowance for PCD loans at acquisition		Provision recorded at acquisition		Provision for loan losses		June 30, 2020		ACLL / Loans
Allowance for loan losses
PPP	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	808	$	808
Commercial and industrial	91,133		52,919		144,052		(42,183)		2,215		(39,968)		293		408		70,767		175,553
Commercial real estate — owner occupied	10,284		(1,851)		8,433		—		1		1		890		255		736		10,315
Commercial and business lending	101,417		51,068		152,485		(42,183)		2,216		(39,967)		1,183		663		72,311		186,676
Commercial real estate — investor	40,514		2,041		42,555		(140)		168		28		753		472		14,713		58,520
Real estate construction	24,915		7,467		32,382		(19)		27		8		435		492		5,076		38,393
Commercial real estate lending	65,428		9,508		74,937		(159)		195		36		1,188		964		19,789		96,913
Total commercial	166,846		60,576		227,422		(42,342)		2,412		(39,931)		2,371		1,627		92,101		283,590
Residential mortgage	16,960		33,215		50,175		(1,301)		174		(1,127)		651		403		(6,276)		43,825
Home equity	10,926		11,649		22,575		(1,213)		981		(232)		422		374		(1,677)		21,462
Other consumer	6,639		7,016		13,655		(2,802)		562		(2,240)		61		140		3,309		14,926
Total consumer	34,525		51,880		86,405		(5,316)		1,717		(3,599)		1,134		917		(4,644)		80,213
Total loans	$	201,371	$	112,457	$	313,828	$	(47,659)	$	4,129	$	(43,530)	$	3,504	$	2,543	$	87,457	$	363,803
Allowance for unfunded commitments
PPP	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Commercial and industrial	12,276		(3,998)		8,278		—		—		—		—		61		11,261		19,601
Commercial real estate — owner occupied	127		—		127		—		—		—		—		4		93		224
Commercial and business lending	12,403		(3,998)		8,405		—		—		—		—		65		11,354		19,824
Commercial real estate — investor	530		246		776		—		—		—		—		2		(227)		550
Real estate construction	7,532		18,347		25,879		—		—		—		—		45		11,956		37,880
Commercial real estate lending	8,062		18,593		26,655		—		—		—		—		47		11,729		38,430
Total commercial	20,465		14,595		35,060		—		—		—		—		112		23,084		58,256
Home equity	1,038		2,591		3,629		—		—		—		—		66		152		3,846
Other consumer	405		1,504		1,909		—		—		—		—		—		766		2,675
Total consumer	1,443		4,095		5,538		—		—		—		—		66		917		6,522
Total loans	$	21,907	$	18,690	$	40,597	$	—	$	—	$	—	$	—	$	179	$	24,000	$	64,776
Allowance for credit losses on loans
PPP	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	808	$	808	0.08	%
Commercial and industrial	103,409		48,921		152,330		(42,183)		2,215		(39,968)		293		469		82,028		195,155		2.45	%
Commercial real estate — owner occupied	10,411		(1,851)		8,560		—		1		1		890		259		829		10,538		1.15	%
Commercial and business lending	113,820		47,070		160,890		(42,183)		2,216		(39,967)		1,183		728		83,666		206,501		2.09	%
Commercial real estate — investor	41,044		2,287		43,331		(140)		168		28		753		474		14,486		59,070		1.42	%
Real estate construction	32,447		25,814		58,261		(19)		27		8		435		537		17,032		76,273		4.47	%
Commercial real estate lending	73,490		28,101		101,591		(159)		195		36		1,188		1,011		31,518		135,343		2.30	%
Total commercial	187,311		75,171		262,482		(42,342)		2,412		(39,931)		2,371		1,739		115,184		341,844		2.17	%
Residential mortgage	16,960		33,215		50,175		(1,301)		174		(1,127)		651		403		(6,277)		43,826		0.55	%
Home equity	11,964		14,240		26,204		(1,213)		981		(232)		422		440		(1,526)		25,308		3.18	%
Other consumer	7,044		8,520		15,564		(2,802)		562		(2,240)		61		140		4,076		17,601		5.40	%
Total consumer	35,968		55,975		91,943		(5,316)		1,717		(3,599)		1,134		983		(3,727)		86,735		0.96	%
Total loans	$	223,278	$	131,147	$	354,425	$	(47,659)	$	4,129	$	(43,530)	$	3,504	$	2,722	$	111,457	$	428,579	1.73	%

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The following table presents details of the allowance for loan losses segregated by loan portfolio segment as of December 31, 2019, calculated in accordance with prior incurred loss methodology applicable under ASC Topic 310:

($ in Thousands)	December 31, 2018		Charge offs		Recoveries		Net Charge offs		Provision for loan losses		December 31, 2019
Allowance for loan losses
Commercial and industrial	$	108,835	$	(63,315)	$	11,875	$	(51,441)	$	33,738	$	91,133
Commercial real estate — owner occupied	9,255		(222)		2,795		2,573		(1,543)		10,284
Commercial and business lending	118,090		(63,537)		14,670		(48,868)		32,195		101,417
Commercial real estate — investor	40,844		—		31		31		(361)		40,514
Real estate construction	28,240		(60)		302		243		(3,568)		24,915
Commercial real estate lending	69,084		(60)		333		274		(3,929)		65,429
Total commercial	187,174		(63,597)		15,003		(48,594)		28,266		166,846
Residential mortgage	25,595		(3,322)		692		(2,630)		(6,005)		16,960
Home equity	19,266		(1,846)		2,599		753		(9,093)		10,926
Other consumer	5,988		(5,548)		868		(4,681)		5,332		6,639
Total consumer	50,849		(10,716)		4,159		(6,558)		(9,766)		34,525
Total loans	$	238,023	$	(74,313)	$	19,161	$	(55,152)	$	18,500	$	201,371

A summary of the individually and collectively evaluated loans by portfolio segment at December 31, 2019, was as follows:

	Allowance for loan losses						Loans
($ in Thousands)	Individually evaluated for impairment		Collectively evaluated for impairment		Total allowance for loan losses		Individually evaluated for impairment		Collectively evaluated for impairment		Acquired and accounted for under ASC 310-30(a)		Total loans
Commercial and industrial	$	12,010	$	79,123	$	91,133	$	62,035	$	7,292,217	$	342	$	7,354,594
Commercial real estate — owner occupied	19		10,265		10,284		1,676		909,010		579		911,265
Commercial and business lending	12,029		89,388		101,417		63,711		8,201,227		921		8,265,858
Commercial real estate — investor	15		40,498		40,514		4,633		3,789,755		129		3,794,517
Real estate construction	67		24,848		24,915		477		1,420,416		7		1,420,900
Commercial real estate lending	82		65,346		65,429		5,110		5,210,171		136		5,215,417
Total commercial	12,111		154,734		166,846		68,821		13,411,398		1,057		13,481,275
Residential mortgage	2,740		14,220		16,960		35,554		8,100,958		469		8,136,980
Home equity	1,190		9,737		10,926		4,422		847,577		26		852,025
Other consumer	125		6,514		6,639		1,247		349,912		—		351,159
Total consumer	4,055		30,471		34,525		41,223		9,298,447		495		9,340,164
Total loans	$	16,165	$	185,205	$	201,371	$	110,043	$	22,709,845	$	1,552	$	22,821,440

(a) Loans acquired in business combinations and accounted for under ASC Subtopic 310-30 "Receivables — Loans and Debt Securities Acquired with Deteriorated Credit Quality."

Loans Acquired in Acquisitions

Loans acquired in a business combination after January 1, 2020 are recorded in accordance with ASC Topic 326. See Note 2 Acquisitions and Dispositions for more information on loans acquired in a business combination. After January 1, 2020, acquired loans were segregated into two types:

•PCD loans are loans demonstrating more than insignificant credit deterioration since origination and are accounted for with ASC 326-30. Under this guidance, the credit mark on acquired assets grosses up the allowance for loan losses and the amortized cost of the loan.

•Non-PCD loans are accounted for in accordance with ASC Topic 310-20 "Nonrefundable Fees and Other Costs" as these loans do not show evidence of credit deterioration since origination.

Loans acquired in a business combination prior to January 1, 2020 were recorded at estimated fair value on their purchase date without a carryover of the related allowance for loan losses. Prior to January 1, 2020, acquired loans were segregated into two types:

•Performing loans were accounted for in accordance with ASC Topic 310-20 "Nonrefundable Fees and Other Costs" as these loans do not have evidence of credit deterioration since origination.

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•Nonperforming loans were accounted for in accordance with ASC Topic 310-30 as they displayed significant credit deterioration since origination.

Note 8 Goodwill and Other Intangible Assets

Goodwill

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

The Corporation conducted its most recent annual impairment testing in May 2020, utilizing a quantitative assessment to compare the fair value of each reporting unit with its carrying amount, including goodwill. An impairment loss is recognized if the carrying amount of a reporting unit exceeds its fair value. Based on the quantitative assessment, management concluded that the estimated fair value exceeded the carrying value (including goodwill) for each reporting unit. Therefore, based on the step one quantitative analysis, no impairment was required. There have been no events since the May 2020 impairment testing that have changed the Corporation's impairment assessment conclusion. There were no impairment charges recorded in 2019 or the first six months of 2020.

At June 30, 2020 and December 31, 2019, the Corporation had goodwill of $1.1 billion and $1.2 billion, respectively. There was an increase of $15 million during the first quarter of 2020 with a subsequent reduction of $2 million due to adjustments that were made to goodwill relating to the First Staunton acquisition, and an $82 million reduction related to the disposition of ABRC.

Other Intangible Assets

The Corporation has other intangible assets that are amortized, consisting of CDIs, other intangibles, and MSRs. Other intangibles decreased $19 million from December 31, 2019, primarily driven by a $17 million decrease due to the disposition of ABRC. For CDIs and other intangibles, changes in the gross carrying amount, accumulated amortization, and net book value were as follows:

($ in Thousands)	Six Months Ended June 30, 2020		Year Ended December 31, 2019
Core deposit intangibles
Gross carrying amount at the beginning of the year	$	80,730	$	58,100
Additions during the period	7,379		22,630
Accumulated amortization	(16,800)		(12,456)
Net book value	$	71,309	$	68,274
Amortization during the year	$	4,344	$	7,130
Other intangibles
Gross carrying amount at the beginning of the year	$	38,970	$	44,887
Additions during the period	200		—
Reductions due to sale	(17,435)		(217)
Accumulated amortization	(20,285)		(24,643)
Net book value	$	1,450	$	20,027
Amortization during the year	$	1,343	$	2,818

Mortgage Servicing Rights

The Corporation sells residential mortgage loans in the secondary market and typically retains the right to service the loans sold. MSRs are amortized in proportion to and over the period of estimated net servicing income and assessed for impairment at each reporting date.

The Corporation evaluates its MSRs asset for impairment at minimum on a quarterly basis. Impairment is assessed based on fair value at each reporting date using estimated prepayment speeds of the underlying mortgage loans serviced and stratifications based on the risk characteristics of the underlying loans (predominantly loan type and note interest rate). As mortgage interest rates fall, prepayment speeds are usually faster and the value of the MSRs asset generally decreases, requiring additional valuation reserve. Conversely, as mortgage interest rates rise, prepayment speeds are usually slower and the value of the MSRs asset generally increases, requiring less valuation reserve. A valuation allowance is established, through a charge to earnings, to the extent the amortized cost of the MSRs exceeds the estimated fair value by stratification. During the first half of 2020, the Corporation recognized temporary impairment of $17 million driven by decreasing interest rates. If it is later determined that all or a portion of the temporary impairment no longer exists for a stratification, the valuation is reduced through a recovery to

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earnings. An other-than-temporary impairment (i.e., recoverability is considered remote when considering interest rates and loan pay off activity) is recognized as a write-down of the MSRs asset and the related valuation allowance (to the extent a valuation allowance is available) and then against earnings. A direct write-down permanently reduces the carrying value of the MSRs asset and valuation allowance, precluding subsequent recoveries. See Note 12 for a discussion of the recourse provisions on sold residential mortgage loans. See Note 13 which further discusses fair value measurement relative to the MSRs asset.

A summary of changes in the balance of the MSRs asset and the MSRs valuation allowance is as follows:

($ in Thousands)	Six Months Ended June 30, 2020			Year Ended December 31, 2019
Mortgage servicing rights
Mortgage servicing rights at beginning of period	$	67,607		$	68,433
Additions from acquisition	1,357			—
Additions	7,812			11,606
Amortization	(10,043)			(12,432)
Mortgage servicing rights at end of period	$	66,734		$	67,607
Valuation allowance at beginning of period	$	(302)		$	(239)
(Additions) recoveries, net	(17,029)			(63)
Valuation allowance at end of period	$	(17,331)		$	(302)
Mortgage servicing rights, net	$	49,403		$	67,306
Fair value of mortgage servicing rights	$	49,423		$	72,532
Portfolio of residential mortgage loans serviced for others (“servicing portfolio”)	$	8,454,204		$	8,488,969
Mortgage servicing rights, net to servicing portfolio	0.58		%	0.79		%
Mortgage servicing rights expense(a)	$	27,072		$	12,494

(a) Includes the amortization of mortgage servicing rights and additions / recoveries to the valuation allowance of mortgage servicing rights, and is a component of mortgage banking, net on the consolidated statements of income.

The projections of amortization expense are based on existing asset balances, the current interest rate environment, and prepayment speeds as of June 30, 2020. The actual amortization expense the Corporation recognizes in any given period may be significantly different depending upon acquisition or sale activities, changes in interest rates, prepayment speeds, market conditions, regulatory requirements, and events or circumstances that indicate the carrying amount of an asset may not be recoverable. The following table shows the estimated future amortization expense for amortizing intangible assets:

($ in Thousands)	Core Deposit Intangibles		Other Intangibles		Mortgage Servicing Rights
Six Months Ending December 31, 2020	$	4,405	$	100	$	7,676
2021	8,811		200		14,970
2022	8,811		200		10,982
2023	8,811		200		8,269
2024	8,811		200		6,409
2025	8,811		200		5,082
Beyond 2025	22,849		350		13,346
Total Estimated Amortization Expense	$	71,309	$	1,450	$	66,734

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Note 9 Short and Long-Term Funding

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

($ in Thousands)	June 30, 2020		December 31, 2019
Short-Term Funding
Federal funds purchased	$	3,430	$	362,000
Securities sold under agreements to repurchase	138,863		71,097
Federal funds purchased and securities sold under agreements to repurchase	142,293		433,097
Commercial paper	39,535		32,016
Total short-term funding	$	181,828	$	465,113
Long-Term Funding
Bank senior notes, at par, due 2021	$	300,000	$	300,000
Corporation subordinated notes, at par, due 2025	250,000		250,000
PPPLF	1,009,760		—
Finance leases	1,202		2,209
Capitalized costs	(2,265)		(2,866)
Total long-term funding	1,558,698		549,343
Total short and long-term funding, excluding FHLB advances	$	1,740,525	$	1,014,456
FHLB Advances
Short-term FHLB advances	$	—	$	520,000
Long-term FHLB advances	2,657,016		2,660,967
Total FHLB advances	$	2,657,016	$	3,180,967
Total short and long-term funding	$	4,397,542	$	4,195,422

Securities Sold Under Agreements to Repurchase ("Repurchase Agreements")

The Corporation enters into agreements under which it sells securities subject to an obligation to repurchase the same or similar securities. Under these arrangements, the Corporation may transfer legal control over the assets but still retain effective control through an agreement that both entitles and obligates the Corporation to repurchase the assets. The obligation to repurchase the securities is reflected as a liability on the Corporation’s consolidated balance sheets, while the securities underlying the repurchase agreements remain in the respective investment securities asset accounts (i.e., there is no offsetting or netting of the investment securities assets with the repurchase agreement liabilities). See Note 11 for additional disclosures on balance sheet offsetting.

The Corporation utilizes securities sold under agreements to repurchase to facilitate the needs of its customers. As of June 30, 2020, the Corporation pledged agency mortgage-related securities with a fair value of $203 million as collateral for the repurchase agreements. Securities pledged as collateral under repurchase agreements are maintained with the Corporation's safekeeping agents and are monitored on a daily basis due to the market risk of fair value changes in the underlying securities. The Corporation generally pledges excess securities to ensure there is sufficient collateral to satisfy short-term fluctuations in both the repurchase agreement balances and the fair value of the underlying securities.

The remaining contractual maturity of the securities sold under agreements to repurchase on the consolidated balance sheets as of June 30, 2020 and December 31, 2019 are presented in the following table:

	Remaining Contractual Maturity of the Agreements
($ in Thousands)	Overnight and Continuous		Up to 30 days		30-90 days		Greater than 90 days		Total
June 30, 2020
Repurchase agreements
Agency mortgage-related securities	$	138,863	$	—	$	—	$	—	$	138,863
Total	$	138,863	$	—	$	—	$	—	$	138,863
December 31, 2019
Repurchase agreements
Agency mortgage-related securities	$	71,097	$	—	$	—	$	—	$	71,097
Total	$	71,097	$	—	$	—	$	—	$	71,097

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Long-Term Funding

Senior Notes 

In August 2018, the Bank issued $300 million of senior notes, due August 2021, and callable July 2021. The senior notes have a fixed coupon interest rate of 3.50% and were issued at a discount.

Subordinated Notes 

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

Paycheck Protection Program Liquidity Facility

In connection with the funding of PPP loans, the Corporation has utilized the PPPLF. These borrowings from the Federal Reserve Bank match the term of the underlying loan, which has been pledged to secure the borrowings, with original terms of two or five years. The rate of this funding is 0.35%. The Corporation expects the PPP loans to pay down mostly in the fourth quarter of 2020 and early 2021 with the funding paying down during that same timeframe, therefore the expected maturity is less than the contractual terms of two or five years.

Finance Leases

In connection with the construction of new branches in Oshkosh and Eau Claire, Wisconsin, the Corporation entered into land leases with options to purchase the underlying land for a fixed price, which the Corporation now expects to exercise. The finance leases have fixed interest rates of approximately 1.00%. See Note 18 for additional disclosure regarding the Corporation’s leases.

Note 10 Derivative and Hedging Activities

The Corporation is exposed to certain risk arising from both its business operations and economic conditions. The Corporation principally manages its exposures to a wide variety of business and operational risks through management of its core business activities. The Corporation manages economic risks, including interest rate, liquidity, and credit risk primarily by managing the amount, sources, and duration of its assets and liabilities and the use of derivative financial instruments. Specifically, the Corporation enters into derivative financial instruments to manage exposures that arise from business activities that result in the receipt or payment of future known and uncertain cash amounts, the value of which are determined by interest rates. The Corporation's derivative financial instruments are used to manage differences in the amount, timing, and duration of the Corporation's known or expected cash receipts and its known or expected cash payments principally related to the Corporation's assets.

The contract or notional amount of a derivative is used to determine, along with the other terms of the derivative, the amounts to be exchanged between the counterparties. The Corporation is exposed to credit risk in the event of nonperformance by counterparties to financial instruments. To mitigate the counterparty risk, contracts generally contain language outlining collateral pledging requirements for each counterparty. For non-centrally cleared derivatives, collateral must be posted when the market value exceeds certain mutually agreed upon threshold limits. Securities and cash are often pledged as collateral. The Corporation pledged $73 million of investment securities as collateral at June 30, 2020, and pledged $57 million of investment securities as collateral at December 31, 2019. At June 30, 2020, the Corporation posted $38 million of cash collateral compared to $14 million at December 31, 2019.

Federal regulations require the Corporation to clear all LIBOR interest rate swaps through a clearing house, if possible. For derivatives cleared through central clearing houses, the variation margin payments are legally characterized as daily settlements of the derivative rather than collateral. The Corporation's clearing agent for interest rate derivative contracts that are centrally cleared through the Chicago Mercantile Exchange (CME) and the London Clearing House (LCH) settles the variation margin daily. As a result, the variation margin payment and the related derivative instruments are considered a single unit of account for accounting and financial reporting purposes. Depending on the net position, the fair value is reported in other assets or accrued expenses and other liabilities on the consolidated balance sheets. The daily settlement of the derivative exposure does not change or reset the contractual terms of the instrument.

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Fair Value Hedges of Interest Rate Risk

The Corporation is exposed to changes in the fair value of certain of its pools of prepayable fixed-rate assets due to changes in benchmark interest rates. The Corporation used interest rate swaps to manage its exposure to changes in fair value on these instruments attributable to changes in the designated benchmark interest rate. Interest rate swaps designated as fair value hedges involved the payment of fixed-rate amounts to a counterparty in exchange for the Corporation receiving variable-rate payments over the life of the agreements without the exchange of the underlying notional amount. For derivatives designated and that qualify as fair value hedges, the gain or loss on the derivative as well as the offsetting loss or gain on the hedged item attributable to the hedged risk were recognized in interest income. During the fourth quarter of 2019, the Corporation terminated the outstanding fair value hedges.

Derivatives to Accommodate Customer Needs

The Corporation also facilitates customer borrowing activity by entering into various derivative contracts which are designated as free standing derivative contracts. Free standing derivative products are entered into primarily for the benefit of commercial customers seeking to manage their exposures to interest rate risk, foreign currency, and commodity prices. These derivative contracts are not designated against specific assets and liabilities on the consolidated balance sheets or forecasted transactions and, therefore, do not qualify for hedge accounting treatment. Such derivative contracts are carried at fair value in other assets and accrued expenses and other liabilities on the consolidated balance sheets with changes in the fair value recorded as a component of capital markets, net, and typically include interest rate-related instruments (swaps and caps), foreign currency exchange forwards, and commodity contracts. See Note 11 for additional information and disclosures on balance sheet offsetting.

Interest rate-related instruments: The Corporation provides interest rate risk management services to commercial customers, primarily forward interest rate swaps and caps. The Corporation’s market risk from unfavorable movements in interest rates related to these derivative contracts is generally economically hedged by concurrently entering into offsetting derivative contracts. The offsetting derivative contracts have identical notional values, terms, and indices.

Foreign currency exchange forwards: The Corporation provides foreign currency exchange services to customers, primarily forward contracts. The Corporation's customers enter into a foreign currency exchange forward with the Corporation as a means for them to mitigate exchange rate risk. The Corporation mitigates its risk by then entering into an offsetting foreign currency exchange derivative contract.

Commodity contracts: Commodity contracts are entered into primarily for the benefit of commercial customers seeking to manage their exposure to fluctuating commodity prices. The Corporation mitigates its risk by then entering into an offsetting commodity derivative contract.

Mortgage Derivatives

Interest rate lock commitments to originate residential mortgage loans held for sale and forward commitments to sell residential mortgage loans are considered derivative instruments, and the fair value of these commitments is recorded in other assets and accrued expenses and other liabilities on the consolidated balance sheets with the changes in fair value recorded as a component of mortgage banking, net.

The following table presents the total notional amounts and gross fair values of the Company’s derivatives, as well as the balance sheet netting adjustments as of June 30, 2020 and December 31, 2019. The derivative assets and liabilities are presented on a gross basis prior to the application of bilateral collateral and master netting agreements, but after the variation margin payments with central clearing organizations have been applied as settlement, as applicable. Total derivative assets and liabilities are adjusted to take into consideration the effects of legally enforceable master netting agreements and cash collateral received or paid as of June 30, 2020 and December 31, 2019. The resulting net derivative asset and liability fair values are included in other assets and accrued expenses and other liabilities, respectively, on the consolidated balance sheets.

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	June 30, 2020								December 31, 2019
	Asset				Liability				Asset				Liability
($ in Thousands)	Notional Amount		Fair Value		Notional Amount		Fair Value		Notional Amount		Fair Value		Notional Amount		Fair Value
Not designated as hedging instruments
Interest rate-related instruments	$	3,564,015	$	238,003	$	3,564,015	$	31,472	$	3,029,877	$	77,024	$	3,029,877	$	13,073
Foreign currency exchange forwards	337,015		4,200		290,557		4,102		272,636		4,226		264,653		4,048
Commodity contracts	163,307		38,543		158,756		36,998		255,089		20,528		255,165		19,624
Mortgage banking(a)	299,330		12,837		393,184		1,293		255,291		2,527		263,000		710
Gross derivatives before netting			$	293,583			$	73,865			$	104,305			$	37,455
Less: Legally enforceable master netting agreements			1,586				1,586				10,410				10,410
Less: Cash collateral pledged/received			36,234				32,285				1,408				11,365
Total derivative instruments, after netting			$	255,763			$	39,994			$	92,487			$	15,680

(a) Mortgage derivative assets include interest rate lock commitments and mortgage derivative liabilities include forward commitments.

The Corporation terminated its $500 million fair value hedge during the fourth quarter of 2019. At June 30, 2020, the amortized cost basis of the closed portfolios which had previously been used in the terminated hedging relationship was $751 million and is included in loans and investment securities, available for sale, at fair value on the consolidated balance sheets. This amount includes $4 million of hedging adjustments on the discontinued hedging relationships.

The table below identifies the effect of fair value hedge accounting on the Corporation's consolidated statements of income for the three and six months ended June 30, 2020 and 2019:

	Location and Amount of Gain or (Loss) Recognized in Income on Fair Value and Cash Flow Hedging Relationships
	Three Months Ended June 30,								Six Months Ended June 30,
	2020				2019				2020				2019
($ in Thousands)	Interest Income		Other Income (Expense)		Interest Income		Other Income (Expense)		Interest Income		Other Income (Expense)		Interest Income		Other Income (Expense)
Total amounts of income and expense line items presented on the consolidated statements of income in which the effects of the fair value hedge is recorded	$	(542)	$	—	$	53	$	—	$	(864)	$	(262)	$	219	$	—
The effects of fair value hedging: Gain or (loss) on fair value hedging relationships in Subtopic 815-20
Interest contracts
Hedged items	(542)		—		4,165		—		(864)		(262)		6,222		—
Derivatives designated as hedging instruments(a)	—		—		(4,112)		—		—		—		(6,003)		—

(a) Includes net settlements on the derivatives.

The table below identifies the effect of derivatives not designated as hedging instruments on the Corporation's consolidated statements of income for the three and six months ended June 30, 2020 and 2019:

	Consolidated Statements of Income Category of Gain / (Loss)  Recognized in Income	Three Months Ended June 30,				Six Months Ended June 30,
($ in Thousands)		2020		2019		2020		2019
Derivative Instruments
Interest rate-related instruments — customer and mirror, net	Capital markets, net	$	(65)	$	(1,018)	$	(3,155)	$	(1,690)
Foreign currency exchange forwards	Capital markets, net	41		186		(81)		212
Commodity contracts	Capital markets, net	(105)		(1,678)		641		(2,245)
Interest rate lock commitments (mortgage)	Mortgage banking, net	382		1,837		10,310		2,661
Forward commitments (mortgage)	Mortgage banking, net	9,679		(78)		(582)		169

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Note 11 Balance Sheet Offsetting

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

The Corporation enters into interest rate-related instruments to facilitate the interest rate risk management strategies of commercial customers, commodity contracts to manage commercial customers' exposure to fluctuating commodity prices, and foreign exchange forwards to manage customers' exposure to fluctuating foreign exchange rates. The Corporation mitigates these risks by entering into equal and offsetting agreements with highly rated third-party financial institutions. The Corporation is party to master netting arrangements with its financial institution counterparties that create single net settlements of all legal claims or obligations to pay or receive the net amount of settlement of the individual interest, commodity, and foreign exchange agreements. Collateral, usually in the form of investment securities and cash, is posted by the counterparty with net liability positions in accordance with contract thresholds. Derivatives subject to a legally enforceable master netting agreement are reported on a net basis, net of cash collateral, in other assets and accrued expenses and other liabilities, on the face of the consolidated balance sheets. See Note 10 for additional information on the Corporation’s derivative and hedging activities.

Securities Sold Under Agreements to Repurchase (“Repurchase Agreements”)

The Corporation enters into agreements under which it sells securities subject to an obligation to repurchase the same or similar securities. These repurchase agreements are accounted for as collateralized financing arrangements (i.e., secured borrowings) and not as a sale and subsequent repurchase of securities (i.e., there is no offsetting or netting of the investment securities assets with the repurchase agreement liabilities). The right of set-off for a repurchase agreement resembles a secured borrowing, whereby the collateral would be used to settle the fair value of the repurchase agreement should the Corporation be in default (e.g., fails to make an interest payment to the counterparty). In addition, the Corporation does not enter into reverse repurchase agreements; therefore, there is no such offsetting to be done with the repurchase agreements. See Note 9 for additional disclosures on repurchase agreements.

The following table presents the interest rate, commodity, and foreign exchange assets and liabilities subject to an enforceable master netting arrangement. The interest, commodity and foreign exchange agreements the Corporation has with its commercial customers are not subject to an enforceable master netting arrangement and are therefore excluded from this table:

	Gross Amounts Recognized		Gross Amounts Subject to Master Netting Arrangements Offset on the Consolidated Balance Sheets				Net Amounts Presented on the Consolidated Balance Sheets		Investment Securities Received
($ in Thousands)			Derivative Assets Offset		Cash Collateral Received						Net amount
Derivative assets
June 30, 2020	$	38,569	$	(1,586)	$	(36,234)	$	749	$	—	$	749
December 31, 2019	11,864		(10,410)		(1,408)		45		—		45
	Gross Amounts Recognized		Gross Amounts Subject to Master Netting Arrangements Offset on the Consolidated Balance Sheets				Net Amounts Presented on the Consolidated Balance Sheets		Investment Securities Pledged
($ in Thousands)			Derivative Liabilities Offset		Cash Collateral Pledged						Net amount
Derivative liabilities
June 30, 2020	$	34,434	$	(1,586)	$	(32,285)	$	564	$	—	$	564
December 31, 2019	22,189		(10,410)		(11,365)		413		—		413

Note 12 Commitments, Off-Balance Sheet Arrangements, Legal Proceedings and Regulatory Matters

The Corporation utilizes a variety of financial instruments in the normal course of business to meet the financial needs of its customers and to manage its own exposure to fluctuations in interest rates. These financial instruments include lending-related and other commitments (see below) as well as derivative instruments (see Note 10). The following is a summary of lending-related commitments:

($ in Thousands)	June 30, 2020		December 31, 2019
Commitments to extend credit, excluding commitments to originate residential mortgage loans held for sale(a)(b)	$	9,580,338	$	9,024,412
Commercial letters of credit(a)	6,123		7,081
Standby letters of credit(c)	265,223		277,969

(a) These off-balance sheet financial instruments are exercisable at the market rate prevailing at the date the underlying transaction will be completed and, thus, are deemed to have no current fair value, or the fair value is based on fees currently charged to enter into similar agreements and was not material at June 30, 2020 or December 31, 2019.

(b) Interest rate lock commitments to originate residential mortgage loans held for sale are considered derivative instruments and are disclosed in Note 10.

(c) The Corporation has established a liability of $3 million for both June 30, 2020 and December 31, 2019, as an estimate of the fair value of these financial instruments.

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Lending-related Commitments

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

($ in Thousands)	Six Months Ended June 30, 2020		Year Ended December 31, 2019
Allowance for Unfunded Commitments
Balance at beginning of period	$	21,907	$	24,336
Cumulative effect of ASU 2016-13 adoption (CECL)	18,690		N/A
Balance at beginning of period, adjusted	40,597		24,336
Provision for unfunded commitments	24,000		(2,500)
Amount recorded at acquisition	179		70
Balance at end of period	$	64,776	$	21,907

The increase is a result of the Day 1 modified retrospective adjustment of $19 million for the adoption of ASU 2016-13. In addition, there was a $24 million increase to the provision for unfunded commitments driven by the expected impact of the COVID-19 pandemic within the economic models used in the new expected credit loss methodology. See Note 3 and Note 7 of the notes to consolidated financial statements for additional information on the adoption of ASU 2016-13 and the allowance for unfunded commitments.

Lending-related commitments include commitments to extend credit, commitments to originate residential mortgage loans held for sale, commercial letters of credit, and standby letters of credit. Commitments to extend credit are legally binding agreements to lend to customers at predetermined interest rates, as long as there is no violation of any condition established in the contracts. Interest rate lock commitments to originate residential mortgage loans held for sale and forward commitments to sell residential mortgage loans are considered derivative instruments, and the fair value of these commitments are recorded on the consolidated balance sheets. The Corporation’s derivative and hedging activity is further described in Note 10. Commercial and standby letters of credit are conditional commitments issued to guarantee the performance of a customer to a third party. Commercial letters of credit are issued specifically to facilitate commerce and typically result in the commitment being drawn on when the underlying transaction is consummated between the customer and the third party, while standby letters of credit generally are contingent upon the failure of the customer to perform according to the terms of the underlying contract with the third party.

Other Commitments

The Corporation invests in qualified affordable housing projects, federal and state historic projects, new market projects, and opportunity zone funds for the purpose of community reinvestment and obtaining tax credits and other tax benefits. Return on the Corporation's investment in these projects and funds comes in the form of the tax credits and tax losses that pass through to the Corporation and deferral or elimination of capital gain recognition for tax purposes. The aggregate carrying value of these investments at June 30, 2020 was $274 million, compared to $248 million at December 31, 2019, included in tax credit and other investments on the consolidated balance sheets. The Corporation utilizes the proportional amortization method to account for investments in qualified affordable housing projects.

Under the proportional amortization method, the Corporation amortizes the initial cost of the investment in proportion to the tax credits and other tax benefits. The Corporation recognized additional income tax expense attributable to the amortization of investments in qualified affordable housing projects of $12 million and $10 million for the six months ended June 30, 2020 and 2019, respectively, and $6 million and $5 million for the three months ended June 30, 2020 and 2019, respectively. The Corporation's remaining investment in qualified affordable housing projects accounted for under the proportional amortization method totaled $262 million at June 30, 2020 and $234 million at December 31, 2019.

The Corporation’s unfunded equity contributions relating to investments in qualified affordable housing, federal and state historic projects, and new market projects are recorded in accrued expenses and other liabilities on the consolidated balance sheets. The Corporation’s remaining unfunded equity contributions totaled $136 million and $123 million at June 30, 2020 and December 31, 2019, respectively.

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For the six months ended June 30, 2020 and the year ended December 31, 2019, the Corporation did not record any impairment related to qualified affordable housing investments.

The Corporation has principal investment commitments to provide capital-based financing to private and public companies through either direct investments in specific companies or through investment funds and partnerships. The timing of future cash requirements to fund such principal investment commitments is generally dependent on the investment cycle, whereby privately held companies are funded by private equity investors and ultimately sold, merged, or taken public through an initial offering, which can vary based on overall market conditions, as well as the nature and type of industry in which the companies operate. The Corporation also invests in loan pools that support CRA loans. The timing of future cash requirements to fund these pools is dependent upon loan demand, which can vary over time. The aggregate carrying value of these investments was $28 million and $26 million at June 30, 2020 and December 31, 2019, respectively, included in tax credit and other investments on the consolidated balance sheets.

Legal Proceedings

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

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

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

The Corporation does not believe it is presently subject to any legal proceedings the resolution of which would have a material adverse effect on our business, financial condition, operating results or cash flows.

Regulatory Matters

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

Mortgage Repurchase Reserve

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

As a result of make whole requests, the Corporation has repurchased loans with principal balances of $3 million and $2 million for the six months ended June 30, 2020 and the year ended December 31, 2019, respectively. There were no loss reimbursement and settlement claims paid for the six months ended June 30, 2020 and such claims were negligible for the year ended

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December 31, 2019. Make whole requests during 2019 and the first six months of 2020 generally arose from loans sold during the period of January 1, 2012 to December 31, 2019. Since January 1, 2012, loans sold totaled $13.5 billion at the time of sale, and consisted primarily of loans sold to GSEs. As of June 30, 2020, approximately $7.4 billion of these sold loans remain outstanding.

The balance in the mortgage repurchase reserve at the balance sheet date reflects the estimated amount of potential loss the Corporation could incur from repurchasing a loan, as well as loss reimbursements, indemnifications, and other settlement resolutions. The mortgage repurchase reserve, included in accrued expenses and other liabilities on the consolidated balance sheets, was $1 million as of June 30, 2020 and approximately $795,000 as of December 31, 2019.

The Corporation may also sell residential mortgage loans with limited recourse (limited in that the recourse period ends prior to the loan’s maturity, usually after certain time and / or loan paydown criteria have been met), whereby repurchase could be required if the loan had defined delinquency issues during the limited recourse periods. At June 30, 2020 and December 31, 2019, there were approximately $34 million and $39 million, respectively, of residential mortgage loans sold with such recourse risk. There have been limited instances and immaterial historical losses on repurchases for recourse under the limited recourse criteria.

The Corporation has a subordinate position to the FHLB in the credit risk on residential mortgage loans it sold to the FHLB in exchange for a monthly credit enhancement fee. The Corporation has not sold loans to the FHLB with such credit risk retention since February 2005. At June 30, 2020 and December 31, 2019, there were $39 million and $45 million, respectively, of such residential mortgage loans with credit risk recourse, upon which there have been negligible historical losses to the Corporation.

Note 13 Fair Value Measurements

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

The valuation methodologies for assets and liabilities measured at fair value on a recurring and non-recurring basis are described in the Fair Value Measurements note in the Corporation’s 2019 Annual Report on Form 10-K. There has been one significant change to the methodologies for assets and liabilities measured at fair value on a nonrecurring basis:

Individually Evaluated Loans: The Corporation individually evaluates loans when a commercial loan relationship is in nonaccrual status or when a commercial and consumer loan relationship has its terms restructured in a TDR or when a loan meets the Corporation's definition of a probable TDR. Prior to January 1, 2020, management considered a loan impaired when it was probable that the Corporation would be unable to collect all amounts due according to the original contractual terms of the note agreement, including both principal and interest. See Note 7 for additional information regarding the Corporation’s individually evaluated loans.

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The table below presents the Corporation’s financial instruments measured at fair value on a recurring basis as of June 30, 2020 and December 31, 2019, aggregated by the level in the fair value hierarchy within which those measurements fall:

($ in Thousands)	Fair Value Hierarchy	June 30, 2020		December 31, 2019
Assets
Investment securities available for sale
U.S. Treasury securities	Level 1	$	26,735	$	—
Agency securities	Level 2	25,007		—
Obligations of state and political subdivisions (municipal securities)	Level 2	495,888		546,160
Residential mortgage-related securities
FNMA / FHLMC	Level 2	818,110		132,660
GNMA	Level 2	605,561		985,139
Commercial mortgage-related securities
FNMA / FHLMC	Level 2	22,061		21,728
GNMA	Level 2	803,362		1,310,207
Asset backed securities
FFELP	Level 2	340,474		263,693
SBA	Level 2	9,575		—
Other debt securities	Level 2	3,000		3,000
Total investment securities available for sale	Level 1	$	26,735	$	—
Total investment securities available for sale	Level 2	3,123,039		3,262,586
Equity securities with readily determinable fair values	Level 1	1,647		1,646
Residential loans held for sale	Level 2	196,673		136,280
Interest rate-related instruments(a)	Level 2	238,003		77,024
Foreign currency exchange forwards(a)	Level 2	4,200		4,226
Commodity contracts(a)	Level 2	38,543		20,528
Interest rate lock commitments to originate residential mortgage loans held for sale	Level 3	12,837		2,527
Liabilities
Interest rate-related instruments(a)	Level 2	$	31,472	$	13,073
Foreign currency exchange forwards(a)	Level 2	4,102		4,048
Commodity contracts(a)	Level 2	36,998		19,624
Forward commitments to sell residential mortgage loans	Level 3	1,293		710

(a) Figures are presented gross before netting. See Note 10 and Note 11 for information relating to the impact of offsetting derivative assets and liabilities and cash collateral with the same counterparty where there is a legally enforceable master netting agreement in place.

The table below presents a rollforward of the consolidated balance sheets amounts for the six months ended June 30, 2020 and the year ended December 31, 2019, for the Corporation's mortgage derivatives measured on a recurring basis and classified within Level 3 of the fair value hierarchy:

($ in Thousands)	Interest rate lock commitments to originate residential mortgage loans held for sale		Forward commitments to sell residential mortgage loans		Total
Balance December 31, 2018	$	2,208	$	2,072	$	140
New production	24,164		(2,367)		26,531
Closed loans / settlements	(29,375)		(5,968)		(23,407)
Other	5,530		6,973		(1,443)
Mortgage derivative gain (loss)	319		(1,362)		1,681
Balance December 31, 2019	$	2,527	$	710	$	1,817
New production	$	44,349	$	(439)	$	44,788
Closed loans / settlements	(37,505)		(12,197)		(25,308)
Other	3,467		13,218		(9,752)
Mortgage derivative gain (loss)	10,310		582		9,727
Balance June 30, 2020	$	12,837	$	1,293	$	11,544

The closing ratio on interest rate lock commitments to originate residential mortgage loans held for sale is a Level 3 measurement, and was 88% at June 30, 2020.

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The following table presents the carrying value of equity securities without readily determinable fair values still held as of June 30, 2020 that are measured under the measurement alternative and the related adjustments recorded during the periods presented for those securities with observable price changes. These securities are included in the nonrecurring fair value tables when applicable price changes are observable. Also shown are the cumulative upward and downward adjustments for the Corporation's equity securities without readily determinable fair values as of June 30, 2020:

($ in Thousands)
Equity securities without readily determinable fair values
Carrying value as of December 31, 2019	$	13,444
Carrying value changes	—
Carrying value as of June 30, 2020	$	13,444
Cumulative upward carrying value changes between January 1, 2018 and June 30, 2020	$	13,444
Cumulative downward carrying value changes/impairment between January 1, 2018 and June 30, 2020	$	—

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

				Consolidated Statements of Income Category of Adjustment  Recognized in Income	Adjustment Recognized on the Consolidated Statements of Income
($ in Thousands)	Fair Value Hierarchy	Fair Value
June 30, 2020
Assets
Individually evaluated loans(a)	Level 3	$	88,416	Provision for credit losses	$	(58,523)
OREO(b)	Level 2	6,611		Other noninterest expense	(2,273)
Mortgage servicing rights	Level 3	49,423		Mortgage banking, net	(17,029)
December 31, 2019
Assets
Impaired loans(c)	Level 3	$	45,792	Provision for credit losses(d)	$	(66,172)
OREO(b)	Level 2	3,565		Other noninterest expense	(1,860)
Mortgage servicing rights	Level 3	72,532		Mortgage banking, net	(63)
Equity securities	Level 3	13,444		Investment securities gains (losses), net	13,444

(a) Includes probable TDRs which are individually analyzed, net of the related allowance for loan losses.

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

(c) Represents individually evaluated impaired loans, net of the related allowance for loan losses.

(d) Represents provision for credit losses on individually evaluated impaired loans.

Certain nonfinancial assets and nonfinancial liabilities measured at fair value on a nonrecurring basis include the fair value analysis in the goodwill impairment test, and intangible assets and other nonfinancial long-lived assets measured at fair value for impairment assessment.

The Corporation's significant Level 3 measurements which employ unobservable inputs that are readily quantifiable pertain to MSRs and individually evaluated loans.

The table below presents information about these inputs and further discussion is found above:

June 30, 2020	Valuation Technique	Significant Unobservable Input	Range of Inputs			Weighted Average Input Applied
Mortgage servicing rights	Discounted cash flow	Discount rate	9%	-	14%	9%
Mortgage servicing rights	Discounted cash flow	Constant prepayment rate	12%	-	35%	18%
Individually evaluated loans	Appraisals / Discounted cash flow	Collateral / Discount factor	0%	-	68%	66%

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Fair Value of Financial Instruments

The Corporation is required to disclose estimated fair values for its financial instruments.

Fair value estimates are set forth below for the Corporation’s financial instruments:

		June 30, 2020				December 31, 2019
($ in Thousands)	Fair Value Hierarchy Level	Carrying Amount		Fair Value		Carrying Amount		Fair Value
Financial assets
Cash and due from banks	Level 1	$	443,500	$	443,500	$	373,380	$	373,380
Interest-bearing deposits in other financial institutions	Level 1	1,569,006		1,569,006		207,624		207,624
Federal funds sold and securities purchased under agreements to resell	Level 1	185		185		7,740		7,740
Investment securities held to maturity, net	Level 1	999		1,036		999		1,018
Investment securities held to maturity, net	Level 2	2,076,226		2,208,408		2,204,084		2,275,447
Investment securities available for sale	Level 1	26,735		26,735		—		—
Investment securities available for sale	Level 2	3,123,039		3,123,039		3,262,586		3,262,586
Equity securities with readily determinable fair values	Level 1	1,647		1,647		1,646		1,646
Equity securities without readily determinable fair values	Level 3	13,444		13,444		13,444		13,444
FHLB and Federal Reserve Bank stocks	Level 2	206,281		206,281		227,347		227,347
Residential loans held for sale	Level 2	196,673		196,673		136,280		136,280
Commercial loans held for sale	Level 2	3,565		3,565		15,000		15,000
Loans, net	Level 3	24,468,868		24,390,225		22,620,068		22,399,621
Bank and corporate owned life insurance	Level 2	676,196		676,196		671,948		671,948
Derivatives (other assets)(a)	Level 2	280,746		280,746		101,778		101,778
Interest rate lock commitments to originate residential mortgage loans held for sale (other assets)	Level 3	12,837		12,837		2,527		2,527
Financial liabilities
Noninterest-bearing demand, savings, interest-bearing demand, and money market accounts	Level 3	$	24,302,540	$	24,302,540	$	21,156,261	$	21,156,261
Brokered CDs and other time deposits(b)	Level 2	2,248,904		2,267,551		2,622,803		2,622,803
Short-term funding(c)	Level 2	181,828		181,828		465,113		465,113
Long-term funding (excluding PPPLF)	Level 2	548,937		576,667		549,343		572,873
PPPLF	Level 2	1,009,760		1,009,926		—		—
FHLB advances	Level 2	2,657,016		2,851,632		3,180,967		3,207,793
Standby letters of credit(d)	Level 2	2,644		2,644		2,710		2,710
Derivatives (accrued expenses and other liabilities)(a)	Level 2	72,572		72,572		36,745		36,745
Forward commitments to sell residential mortgage loans (accrued expenses and other liabilities)	Level 3	1,293		1,293		710		710

(a) Figures are presented gross before netting. See Note 10 and Note 11 for information relating to the impact of offsetting derivative assets and liabilities and cash collateral with the same counterparty where there is a legally enforceable master netting agreement in place.

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

(c) The carrying amount is a reasonable estimate of fair value for existing short-term funding.

(d) The commitment on standby letters of credit was $265 million at June 30, 2020 and $278 million at December 31, 2019. See Note 12 for additional information on the standby letters of credit and for information on the fair value of lending-related commitments.

Note 14 Retirement Plans

The Corporation has a noncontributory defined benefit retirement account plan, the RAP, covering substantially all employees who meet participation requirements. The benefits are based primarily on years of service and the employee’s compensation paid. Employees of acquired entities generally participate in the RAP after consummation of the business combinations. Any retirement plans of acquired entities are typically merged into the RAP after completion of the mergers, and credit is usually given to employees for years of service at the acquired institution for vesting and eligibility purposes.

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

The Huntington branch acquisition closed on June 14, 2019, and the employees gained as a result of the transaction became eligible to participate in the RAP on the same date, with their vesting service credit based on their prior hours of service with Huntington. See Note 2 for additional information on the Huntington branch acquisition.

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The First Staunton acquisition closed on February 14, 2020, and the employees who met the required criteria as a result of the transaction became eligible to participate in the RAP on February 15, 2020, with their vesting service credit based on their prior hours of service with First Staunton. See Note 2 for additional information on the First Staunton acquisition.

The components of net periodic pension cost and net periodic benefit cost for the RAP and Postretirement Plan for the three and six months ended June 30, 2020 and 2019 were as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
($ in Thousands)	2020		2019		2020		2019
Components of Net Periodic Benefit Cost
RAP
Service cost	$	2,165	$	1,925	$	4,330	$	3,850
Interest cost	2,008		2,413		4,015		4,825
Expected return on plan assets	(6,405)		(6,075)		(12,810)		(12,150)
Amortization of prior service cost	(19)		(19)		(38)		(38)
Amortization of actuarial loss (gain)	803		65		1,610		130
Total net periodic pension cost	$	(1,449)	$	(1,691)	$	(2,893)	$	(3,383)
Postretirement Plan
Interest cost	$	20	$	26	$	39	$	52
Amortization of prior service cost	(19)		(19)		(38)		(38)
Amortization of actuarial loss (gain)	—		(1)		—		(2)
Total net periodic benefit cost	$	1	$	6	$	2	$	13

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

The Corporation’s funding policy is to pay at least the minimum amount required by federal law and regulations, with consideration given to the maximum funding amounts allowed. The Corporation regularly reviews the funding of its RAP. There were no contributions during the six months ended June 30, 2020 and 2019.

Note 15 Segment Reporting

The Corporation utilizes a risk-based internal profitability measurement system to provide strategic business unit reporting. The profitability measurement system is based on internal management methodologies designed to produce consistent results and reflect the underlying economics of the units. Certain strategic business units have been combined for segment information reporting purposes where the nature of the products and services, the type of customer, and the distribution of those products and services are similar. The three reportable segments are Corporate and Commercial Specialty; Community, Consumer, and Business; and Risk Management and Shared Services. The financial information of the Corporation’s segments has been compiled utilizing the accounting policies described in the Corporation’s 2019 Annual Report on Form 10-K and Note 3 in this Quarterly Report on Form 10-Q, with certain exceptions. The more significant of these exceptions are described herein.

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

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

The Corporation allocates net interest income using an internal FTP methodology that charges users of funds (assets) and credits providers of funds (liabilities, primarily deposits) based on the maturity, prepayment and / or repricing characteristics of the assets and liabilities. The net effect of this allocation is offset in the Risk Management and Shared Services segment to

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ensure consolidated totals reflect the Corporation's net interest income. The net FTP allocation is reflected as net intersegment income (expense) in the accompanying tables.

A credit provision is allocated to segments based on the expected long-term annual net charge off rates attributable to the credit risk of loans managed by the segment during the period. In contrast, the level of the consolidated provision for credit losses is determined based on an allowance model using the methodologies described in Note 3 in this Quarterly Report on Form 10-Q. The net effect of the credit provision is recorded in Risk Management and Shared Services. Indirect expenses incurred by certain centralized support areas are allocated to segments based on actual usage (for example, volume measurements) and other criteria. Certain types of administrative expense and bank-wide expense accruals (including amortization of CDIs and other intangible assets associated with acquisitions, acquisition-related costs, and asset gains on disposed business units) are generally not allocated to segments. Income taxes are allocated to segments based on the Corporation’s estimated effective tax rate, with certain segments adjusted for any tax-exempt income or non-deductible expenses. Equity is allocated to the segments based on regulatory capital requirements and in proportion to an assessment of the inherent risks associated with the business of the segment (including interest, credit and operating risk).

A brief description of each business segment is presented below. A more in-depth discussion of these segments can be found in the Segment Reporting footnote in the Corporation’s 2019 Annual Report on Form 10-K.

The Corporate and Commercial Specialty segment serves a wide range of customers including larger businesses, developers, not-for-profits, municipalities, and financial institutions by providing lending and deposit solutions as well as the support to deliver, fund, and manage such banking solutions. In addition, this segment provides a variety of investment and fiduciary products and services to individuals and small to mid-sized businesses. The Community, Consumer, and Business segment serves individuals, as well as small and mid-sized businesses, by providing lending and deposit solutions. In addition, the Corporation offered insurance and risk consulting services. During the second quarter of 2020, the Corporation sold ABRC. The Risk Management and Shared Services segment includes key shared operational functions and also includes residual revenue and expenses, representing the difference between actual amounts incurred and the amounts allocated to operating segments, including interest rate risk residuals (FTP mismatches) and credit risk and provision residuals (long-term credit charge mismatches). All First Staunton and Huntington branch acquisition related costs as well as the gain on sale of ABRC are included in the Risk Management and Shared Services segment.

During the first quarter of 2020, the Corporation reassigned goodwill of approximately $4 million to the Corporate and Commercial Specialty segment from the Community, Consumer and Business segment as a result of a reorganization of the investment and fiduciary businesses. The goodwill reassigned was attributable to the Corporation's acquisition of Whitnell & Co. in 2017. Also effective in the first quarter of 2020, the marketing business unit, formerly part of the Risk Management and Shared Services segment, was reorganized under the Community, Consumer and Business segment.

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Information about the Corporation’s segments is presented below:

	Corporate and Commercial Specialty
	Three Months Ended June 30,				Six Months Ended June 30,
($ in Thousands)	2020		2019		2020		2019
Net interest income	$	98,824	$	114,232	$	206,577	$	228,162
Net intersegment interest income (expense)	6,889		(13,326)		(3,856)		(28,881)
Segment net interest income	105,713		100,906		202,721		199,281
Noninterest income	30,691		31,267		65,124		58,414
Total revenue	136,405		132,174		267,845		257,695
Credit provision	13,713		12,585		25,885		25,169
Noninterest expense	50,837		56,450		102,098		111,383
Income (loss) before income taxes	71,855		63,139		139,862		121,144
Income tax expense (benefit)	13,446		12,244		26,117		23,411
Net income	$	58,410	$	50,895	$	113,745	$	97,732
Allocated goodwill					$	530,144	$	530,106

	Community, Consumer, and Business
	Three Months Ended June 30,				Six Months Ended June 30,
($ in Thousands)	2020		2019		2020		2019
Net interest income	$	73,120	$	77,013	$	148,047	$	156,699
Net intersegment interest income (expense)	14,340		22,804		33,025		43,551
Segment net interest income	87,459		99,817		181,072		200,250
Noninterest income	58,557		62,123		116,207		120,398
Total revenue	146,017		161,940		297,279		320,648
Credit provision	5,429		4,626		10,537		9,311
Noninterest expense	122,290		119,694		238,721		232,612
Income (loss) before income taxes	18,298		37,620		48,021		78,725
Income tax expense (benefit)	3,843		7,900		10,084		16,532
Net income	$	14,455	$	29,720	$	37,936	$	62,193
Allocated goodwill					$	577,758	$	645,913

	Risk Management and Shared Services
	Three Months Ended June 30,				Six Months Ended June 30,
($ in Thousands)	2020		2019		2020		2019
Net interest income	$	17,929	$	22,375	$	38,190	$	44,306
Net intersegment interest income (expense)	(21,229)		(9,478)		(29,169)		(14,671)
Segment net interest income	(3,301)		12,896		9,021		29,635
Noninterest income(a)	165,242		2,447		171,465		8,228
Total revenue	161,941		15,343		180,486		37,863
Credit provision	41,858		(9,211)		77,579		(20,480)
Noninterest expense(b)	10,280		21,634		34,779		45,456
Income (loss) before income taxes	109,802		2,919		68,129		12,887
Income tax expense (benefit)	33,950		(1,127)		25,255		1,466
Net income	$	75,853	$	4,047	$	42,874	$	11,422
Allocated goodwill					$	—	$	—

50

	Consolidated Total
	Three Months Ended June 30,				Six Months Ended June 30,
($ in Thousands)	2020		2019		2020		2019
Net interest income	$	189,872	$	213,619	$	392,814	$	429,167
Net intersegment interest income (expense)	—		—		—		—
Segment net interest income	189,872		213,619		392,814		429,167
Noninterest income(a)	254,490		95,837		352,796		187,040
Total revenue	444,362		309,457		745,610		616,206
Credit provision	61,000		8,000		114,001		14,000
Noninterest expense(b)	183,407		197,779		375,598		389,450
Income (loss) before income taxes	199,955		103,678		256,012		212,756
Income tax expense (benefit)	51,238		19,017		61,457		41,409
Net income	$	148,718	$	84,661	$	194,555	$	171,347
Allocated goodwill					$	1,107,902	$	1,176,019

(a) For the three and six months ended June 30, 2020, the Corporation recognized a $163 million asset gain related to the sale of ABRC.

(b) For the three months ended both June 30, 2020 and 2019, the Risk Management and Shared Services segment included less than $1 million and approximately $4 million respectively, of acquisition related noninterest expense. For the six months ended June 30, 2020 and 2019, the Risk Management and Shared Services segment included approximately $2 million and $4 million respectively, of acquisition related noninterest expense.

51

Note 16 Accumulated Other Comprehensive Income (Loss)

The following tables summarize the components of accumulated other comprehensive income (loss) at June 30, 2020 and 2019, including changes during the preceding three and six month periods as well as any reclassifications out of accumulated other comprehensive income (loss):

($ in Thousands)	Investment Securities Available For Sale		Defined Benefit Pension and Postretirement Obligations		Accumulated Other Comprehensive Income (Loss)
Balance December 31, 2019	$	3,989	$	(37,172)	$	(33,183)
Other comprehensive income (loss) before reclassifications	48,060		—		48,060
Amounts reclassified from accumulated other comprehensive income (loss)
Investment securities losses (gains), net	(9,214)		—		(9,214)
Personnel expense	—		(75)		(75)
Other expense	—		1,610		1,610
Interest income	1,332		—		1,332
Income tax (expense) benefit	(10,066)		(385)		(10,450)
Net other comprehensive income (loss) during period	30,112		1,150		31,263
Balance June 30, 2020	$	34,101	$	(36,021)	$	(1,920)
Balance December 31, 2018	$	(75,643)	$	(49,330)	$	(124,972)
Other comprehensive income (loss) before reclassifications	89,966		—		89,966
Amounts reclassified from accumulated other comprehensive income (loss)
Investment securities losses (gains), net	(2,143)		—		(2,143)
Personnel expense	—		(75)		(75)
Other expense	—		128		128
Interest income	288		—		288
Income tax (expense) benefit	(22,242)		(13)		(22,255)
Net other comprehensive income (loss) during period	65,869		40		65,909
Balance June 30, 2019	$	(9,773)	$	(49,290)	$	(59,063)

($ in Thousands)	Investments Securities Available For Sale		Defined Benefit Pension and Post Retirement Obligations		Accumulated Other Comprehensive Income (Loss)
Balance March 31, 2020	$	19,620	$	(36,595)	$	(16,974)
Other comprehensive income (loss) before reclassifications	21,641		—		21,641
Amounts reclassified from accumulated other comprehensive income (loss)
Investment securities losses (gains), net	(3,096)		—		(3,096)
Personnel expense	—		(38)		(38)
Other expense	—		803		803
Interest income	776		—		776
Income tax (expense) benefit	(4,841)		(192)		(5,032)
Net other comprehensive income (loss) during period	14,481		573		15,054
Balance June 30, 2020	$	34,101	$	(36,021)	$	(1,920)
Balance March 31, 2019	$	(54,065)	$	(49,310)	$	(103,375)
Other comprehensive income (loss) before reclassifications	59,476		—		59,476
Amounts reclassified from accumulated other comprehensive income (loss)
Investment securities loss (gain), net	(463)		—		(463)
Personnel expense	—		(38)		(38)
Other expense	—		64		64
Interest income	218		—		218
Income tax (expense) benefit	(14,940)		(7)		(14,947)
Net other comprehensive income (loss) during period	44,292		20		44,311
Balance June 30, 2019	$	(9,773)	$	(49,290)	$	(59,063)

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Note 17 Revenue from Contracts with Customers

Revenue from contracts with customers is recognized when obligations under the terms of a contract with the Corporation's customer are satisfied. Revenue is measured as the amount of consideration we expect to receive in exchange for transferring goods or providing services. We do not have any material significant payment terms as payment is received at or shortly after the satisfaction of the performance obligation.

The Corporation's disaggregated revenue by major source is presented below:

	Corporate and Commercial Specialty
	Three Months Ended June 30,				Six Months Ended June 30,
($ in Thousands)	2020		2019		2020		2019
Insurance commissions and fees	$	47	$	49	$	123	$	174
Wealth management fees(a)	15,814		15,369		31,621		30,469
Service charges and deposit account fees	4,307		3,309		7,859		6,806
Card-based fees(b)	228		455		743		889
Other revenue	294		865		1,081		1,049
Noninterest Income (in-scope of Topic 606)	$	20,690	$	20,047	$	41,426	$	39,387
Noninterest Income (out-of-scope of Topic 606)	10,002		11,220		23,698		19,026
Total Noninterest Income	$	30,691	$	31,267	$	65,124	$	58,414
	Community, Consumer, and Business
	Three Months Ended June 30,				Six Months Ended June 30,
($ in Thousands)	2020		2019		2020		2019
Insurance commissions and fees	$	22,381	$	22,933	$	44,910	$	48,268
Wealth management fees(a)	5,102		5,321		10,111		10,402
Service charges and deposit account fees	7,173		12,104		18,838		23,703
Card-based fees(b)	8,647		9,674		17,693		18,486
Other revenue	2,861		2,349		5,147		4,621
Noninterest Income (in-scope of Topic 606)	$	46,163	$	52,381	$	96,698	$	105,479
Noninterest Income (out-of-scope of Topic 606)	12,394		9,742		19,509		14,919
Total Noninterest Income	$	58,557	$	62,123	$	116,207	$	120,398

	Risk Management and Shared Services
	Three Months Ended June 30,				Six Months Ended June 30,
($ in Thousands)	2020		2019		2020		2019
Insurance commissions and fees	$	3	$	3	$	6	$	7
Service charges and deposit account fees	4		14		10		32
Card-based fees(b)	47		48		94		97
Other revenue	26		210		49		438
Noninterest Income (in-scope of Topic 606)	$	80	$	275	$	158	$	574
Noninterest Income (out-of-scope of Topic 606)(c)	165,161		2,172		171,307		7,653
Total Noninterest Income	$	165,242	$	2,447	$	171,465	$	8,228
	Consolidated Total
	Three Months Ended June 30,				Six Months Ended June 30,
($ in Thousands)	2020		2019		2020		2019
Insurance commissions and fees	$	22,430	$	22,985	$	45,038	$	48,449
Wealth management fees(a)	20,916		20,691		41,732		40,870
Service charges and deposit account fees	11,484		15,426		26,706		30,542
Card-based fees(b)	8,922		10,177		18,529		19,472
Other revenue	3,181		3,424		6,277		6,108
Noninterest Income (in-scope of Topic 606)	$	66,933	$	72,703	$	138,282	$	145,441
Noninterest Income (out-of-scope of Topic 606)(c)	187,557		23,134		214,515		41,599
Total Noninterest Income	$	254,490	$	95,837	$	352,796	$	187,040

(a) Includes trust, asset management, brokerage, and annuity fees.

(b) Certain card-based fees are out-of-scope of Topic 606.

(c) Both the three and six months ended June 30, 2020 include a gain of $163 million from the sale of ABRC.

53

Below is a listing of performance obligations for the Corporation's main revenue streams:

Revenue Stream	Noninterest income in-scope of Topic 606
Insurance commissions and fees	The Corporation's insurance revenue had two distinct performance obligations. The first performance obligation was the selling of the policy as an agent for the carrier. This performance obligation was satisfied upon binding of the policy. The second performance obligation was the ongoing servicing of the policy which was satisfied over the life of the policy. For employee benefits, the payment was typically received monthly. For property and casualty, payments can vary, but were typically received at, or in advance, of the policy period.
Service charges and deposit account fees	Service charges and deposit account fees consist of monthly service fees (i.e. business analyzed fees and consumer service charges) and other deposit account related fees. The Corporation's performance obligation for monthly service fees is generally satisfied, and the related revenue recognized, over the period in which the service is provided. Other deposit account related fees are largely transactional based, and therefore, the Corporation's performance obligation is satisfied, and related revenue recognized, at a point in time. Payment for service charges and deposit account fees are primarily received immediately or in the following month through a direct charge to customers’ accounts.
Card-based fees(a)	Card-based fees are primarily comprised of debit and credit card income, ATM fees, and merchant services income. Debit and credit card income is primarily comprised of interchange fees earned whenever the Corporation's debit and credit cards are processed through card payment networks. ATM and merchant fees are largely transactional based, and therefore, the Corporation's performance obligation is satisfied, and related revenue recognized, at a point in time. Payment is typically received immediately or in the following month.
Trust and asset management fees(b)	Trust and asset management income is primarily comprised of fees earned from the management and administration of trusts and other customer assets. The Corporation's performance obligation is generally satisfied over time and the resulting fees are recognized monthly, based upon the month-end market value of the assets under management and the applicable fee rate. Payment is generally received a few days after month end through a direct charge to the customers’ accounts. The Corporation's performance obligation for these transactional-based services is generally satisfied, and related revenue recognized, at a point in time (i.e., as incurred). Payment is received shortly after services are rendered.
Brokerage commissions and fees(b)	Brokerage commissions and fees primarily consist of investment advisory, brokerage, retirement services, and annuities. The Corporation's performance obligation for investment advisory services and retirement services is generally satisfied, and the related revenue recognized, over the period in which the services are provided. The performance obligation for annuities is satisfied upon sale of the annuity, and therefore, the related revenue is primarily recognized at the time of sale. Payments for these services are typically received immediately or in advance of the service.

(a) Certain card-based fees are out-of-scope of Topic 606.

(b) Trust and asset management fees and brokerage commissions and fees are included in wealth management fees.

Arrangements with Multiple Performance Obligations

The Corporation's contracts with customers may include multiple performance obligations. For such arrangements, we allocate revenue to each performance obligation based on its relative standalone selling price. We generally determine standalone selling prices based on the expected cost plus margin.

Practical Expedients

We do not disclose the value of unsatisfied performance obligations for contracts with an original expected length of one year or less.

Using the practical expedient, for contracts with a term of one year or less, the Corporation recognizes incremental costs of obtaining those contracts as an expense when incurred.

Note 18 Leases

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

These operating leases have original terms of 1 year or longer with remaining maturities up to 42 years, some of which include options to extend the lease term. An analysis of the lease options has been completed and any purchase options or optional periods that the Corporation is reasonably likely to extend have been included in the capitalization.

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

54

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

($ in Thousands)	Three Months Ended June 30,				Six Months Ended June 30,
	2020		2019		2020		2019
Operating Lease Costs	$	2,631	$	2,888	$	5,254	$	5,793
Finance Lease Costs	31		—		67		—
Operating Lease Cash Flows	2,700		2,762		5,432		5,570
Finance Lease Cash Flows	21		—		42		—

The lease classifications on the consolidated balance sheets were as follows:

($ in Thousands)	Consolidated Balance Sheets Category	June 30, 2020		December 31, 2019
		Amount
Operating lease right-of-use asset	Premises and equipment	$	39,674	$	45,381
Finance lease right-of-use asset	Other assets	1,154		2,188
Operating lease liability	Accrued expenses and other liabilities	43,377		49,292
Finance lease liability	Other long-term funding	1,202		2,209

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

	June 30, 2020					December 31, 2019
($ in Thousands)	Lease payments		Weighted-average lease term (in years)	Weighted-average discount rate		Lease payments		Weighted-average lease term (in years)	Weighted-average discount rate
Operating leases
Equipment	$	5	0.69	2.72	%	$	46	0.83	2.72	%
Retail and corporate offices	42,293		6.22	3.35	%	48,940		6.49	3.34	%
Land	6,663		9.30	3.08	%	6,594		9.57	3.21	%
Total operating leases	$	48,961	6.61	3.31	%	$	55,580	6.83	3.32	%
Finance leases
Land	$	1,225	2.14	1.05	%	$	4,827	39.67	3.99	%
Total finance leases	$	1,225	2.14	1.05	%	$	4,827	39.67	3.99	%

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

($ in Thousands)	Operating Leases		Finance Leases		Amount
Six Months Ending December 31, 2020	$	3,065	$	80	$	3,145
2021	10,387		172		10,559
2022	8,066		973		9,039
2023	5,810		—		5,810
2024	5,108		—		5,108
Beyond 2024	16,526		—		16,526
Total lease payments	$	48,961	$	1,225	$	50,187
Less: interest	5,584		23		5,607
Present value of lease payments	$	43,377	$	1,202	$	44,579

As of June 30, 2020 and December 31, 2019, additional operating leases, primarily retail and corporate offices, that have not yet commenced total $18 million and $16 million, respectively. These operating leases will commence between July 2020 and October 2023 with lease terms of 3 years to 6 years.

55

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

Special Note Regarding Forward-Looking Statements

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

All forward-looking statements contained in this report or which may be contained in future statements made for or on behalf of the Corporation are based upon information available at the time the statement is made and the Corporation assumes no obligation to update any forward-looking statements, except as required by federal securities law. Forward-looking statements are subject to significant risks and uncertainties, and the Corporation’s actual results may differ materially from the expected results discussed in such forward-looking statements. Factors that might cause actual results to differ from the results discussed in forward-looking statements include, but are not limited to, the risk factors in Item 1A, Risk Factors, in the Corporation’s Annual Report on Form 10-K for the year ended December 31, 2019, in the Corporation's Quarterly Report on Form 10-Q for the quarter ended June 30, 2020, in Item 1A of Part 2 herein, and as may be described from time to time in the Corporation’s subsequent SEC filings.

Overview

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

Performance Summary

•Average loans of $24.2 billion increased $1.0 billion, or 4%, compared to the first six months of 2019. The Corporation expects the PPP loans to be paid down mostly in the fourth quarter of 2020 and early 2021. For 2020, the Corporation expects the loan to deposit ratio to be approximately 90%, excluding PPP loans. Average deposits of $25.2 billion increased $397 million, or 2%, from the first six months of 2019.

•Net interest income of $393 million decreased $36 million, or 8%, from the first six months of 2019.

•Net interest margin was 2.66% compared to 2.89% for the first six months of 2019. The Corporation's full year margin is expected to be between 2.55% to 2.60%.

•Provision for credit losses was $114 million, compared to provision of $14 million for the first six months of 2019. Based on our current expectations, the Corporation expects the loan loss provision to be less in the second half of 2020 compared to the first half of 2020.

•Noninterest income of $353 million was up $166 million, or 89%, from the first six months of 2019, primarily due to a $163 million gain on the sale of ABRC during the second quarter of 2020. The Corporation expects mortgage banking to remain elevated in the third quarter of 2020. The Corporation anticipates service charges returning to normal levels over the second half of 2020, with no insurance revenue during that period due to the sale of ABRC.

•Noninterest expense of $376 million decreased $14 million, or 4%, from the first six months of 2019. The Corporation expects a quarterly expense run rate of approximately $175 million for the rest of 2020 due to the $15 million quarterly reduction of expenses from the sale of ABRC.

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Table 1 Summary Results of Operations: Trends

	YTD
($ in Thousands, except per share data)	June 30, 2020			June 30, 2019			2Q20			1Q20			4Q19			3Q19			2Q19
Net income	$	194,555		$	171,347		$	148,718		$	45,838		$	72,103		$	83,339		$	84,661
Net income available to common equity	186,611			163,746			144,573			42,037			68,303			79,539			80,860
Earnings per common share - basic	1.21			1.00			0.94			0.27			0.43			0.50			0.49
Earnings per common share - diluted	1.20			0.99			0.94			0.27			0.43			0.49			0.49
Effective tax rate	24.01		%	19.46		%	25.62		%	18.23		%	19.41		%	20.09		%	18.34		%

57

Income Statement Analysis

Net Interest Income

Table 2 Net Interest Income Analysis

	Six Months Ended June 30,
	2020						2019
($ in Thousands)	Average Balance		Interest Income / Expense		Average Yield / Rate		Average Balance		Interest Income / Expense		Average Yield / Rate
Assets
Earning assets
Loans(a)(b)(c)
PPP	$	424,380	$	4,841	2.29	%	$	—	$	—	—	%
Commercial and business lending	8,786,511		144,314		3.30	%	8,499,564		203,327		4.82	%
Commercial real estate lending	5,524,915		103,556		3.77	%	5,124,476		132,034		5.19	%
Total commercial	14,735,807		252,711		3.45	%	13,624,040		335,361		4.96	%
Residential mortgage	8,338,054		132,821		3.19	%	8,372,299		146,673		3.50	%
Retail	1,175,851		31,841		5.43	%	1,233,297		38,450		6.25	%
Total loans	24,249,712		417,372		3.45	%	23,229,636		520,485		4.51	%
Investment securities
Taxable	3,294,669		36,375		2.21	%	4,749,307		55,764		2.35	%
Tax-exempt(a)	1,948,320		36,873		3.79	%	1,894,689		35,573		3.76	%
Other short-term investments	745,290		5,535		1.49	%	474,050		8,221		3.49	%
Investments and other	5,988,278		78,783		2.63	%	7,118,047		99,558		2.80	%
Total earning assets	30,237,990		$	496,155	3.29	%	30,347,682		$	620,043	4.11	%
Other assets, net (d)	3,473,484						3,083,709
Total assets	$	33,711,474					$	33,431,391
Liabilities and Stockholders' Equity
Interest-bearing liabilities
Interest-bearing deposits
Savings	$	3,064,440	$	2,228	0.15	%	$	2,209,804	$	2,836	0.26	%
Interest-bearing demand	5,376,249		10,197		0.38	%	4,862,763		29,229		1.21	%
Money market	6,517,749		12,708		0.39	%	7,252,639		41,669		1.16	%
Network transaction deposits	1,489,433		5,141		0.69	%	2,124,262		26,082		2.48	%
Time deposits	2,553,065		19,569		1.54	%	3,334,305		30,007		1.82	%
Total interest-bearing deposits	19,000,936		49,844		0.53	%	19,783,773		129,823		1.32	%
Federal funds purchased and securities sold under agreements to repurchase	199,477		420		0.42	%	146,357		913		1.26	%
Commercial paper	35,904		35		0.20	%	36,096		88		0.49	%
PPPLF	387,250		676		0.35	%	—		—		—	%
Other short-term funding	8,498		11		0.25	%	—		—		—	%
FHLB advances	3,021,433		33,096		2.20	%	3,404,213		37,298		2.21	%
Long-term funding	549,111		11,195		4.08	%	795,964		14,792		3.72	%
Total short and long-term funding	4,201,674		45,432		2.17	%	4,382,630		53,091		2.44	%
Total interest-bearing liabilities	23,202,610		$	95,276	0.83	%	24,166,403		$	182,914	1.53	%
Noninterest-bearing demand deposits	6,216,631						5,036,537
Other liabilities (d)	448,074						394,334
Stockholders’ equity	3,844,158						3,834,116
Total liabilities and stockholders’ equity	$	33,711,474					$	33,431,391
Interest rate spread					2.46	%					2.58	%
Net free funds					0.20	%					0.31	%
Fully tax-equivalent net interest income and net interest margin ("NIM")			$	400,879	2.66	%			$	437,128	2.89	%
Fully tax-equivalent adjustment			8,066						7,962
Net interest income			$	392,814					$	429,167

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

(b) Nonaccrual loans and loans held for sale have been included in the average balances.

(c) Interest income includes amortization of net deferred loan origination costs and net accreted purchase loan discount.

(d) During the third quarter of 2019, the Corporation made a change in accounting policy to offset derivative assets and liabilities and cash collateral with the same counterparty where it has a legally enforceable master netting agreement in place. Adoption of this change was voluntary and has been adopted retrospectively with all prior periods presented herein revised.

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Table 2 Net Interest Income Analysis

	Three Months Ended
	June 30, 2020						March 31, 2020						June 30, 2019
($ in Thousands)	Average Balance		Interest Income / Expense		Average Yield / Rate		Average Balance		Interest Income / Expense		Average Yield / Rate		Average Balance		Interest Income / Expense		Average Yield / Rate
Assets
Earning assets
Loans(a)(b)(c)
PPP	$	848,761	$	4,841	2.29	%	$	—	$	—	—	%	$	—	$	—	—	%
Commercial and business lending	9,192,910		64,097		2.80	%	8,380,113		80,217		3.85	%	8,621,609		103,029		4.79	%
Commercial real estate lending	5,720,262		46,057		3.24	%	5,329,568		57,499		4.34	%	5,130,954		66,522		5.19	%
Total commercial	15,761,933		114,995		2.93	%	13,709,681		137,716		4.04	%	13,752,563		169,551		4.94	%
Residential mortgage	8,271,757		62,860		3.04	%	8,404,351		69,961		3.33	%	8,378,082		72,692		3.47	%
Retail	1,157,116		14,368		4.98	%	1,194,586		17,473		5.86	%	1,223,726		19,095		6.25	%
Total loans	25,190,806		192,223		3.06	%	23,308,618		225,149		3.88	%	23,354,371		261,338		4.48	%
Investment securities
Taxable	3,129,113		16,103		2.06	%	3,460,224		20,272		2.34	%	4,523,260		26,710		2.36	%
Tax-exempt(a)	1,922,392		18,270		3.80	%	1,974,247		18,603		3.77	%	1,943,485		18,304		3.77	%
Other short-term investments	1,016,976		2,231		0.88	%	473,604		3,304		2.81	%	479,590		3,995		3.34	%
Investments and other	6,068,481		36,604		2.41	%	5,908,075		42,179		2.86	%	6,946,335		49,009		2.82	%
Total earning assets	31,259,287		$	228,826	2.94	%	29,216,693		$	267,329	3.67	%	30,300,707		$	310,347	4.10	%
Other assets, net	3,586,656						3,360,311						3,138,111
Total assets	$	34,845,943					$	32,577,005					$	33,438,818
Liabilities and Stockholders' equity
Interest-bearing liabilities
Interest-bearing deposits
Savings	$	3,260,040	$	429	0.05	%	$	2,868,840	$	1,800	0.25	%	$	2,319,556	$	1,686	0.29	%
Interest-bearing demand	5,445,267		1,442		0.11	%	5,307,230		8,755		0.66	%	4,984,511		15,309		1.23	%
Money market	6,496,841		1,902		0.12	%	6,538,658		10,806		0.66	%	7,118,594		20,883		1.18	%
Network transaction deposits	1,544,737		539		0.14	%	1,434,128		4,601		1.29	%	2,024,604		12,456		2.47	%
Time deposits	2,469,899		8,866		1.44	%	2,636,231		10,703		1.63	%	3,544,317		16,717		1.89	%
Total interest-bearing deposits	19,216,785		13,178		0.28	%	18,785,088		36,666		0.79	%	19,991,581		67,050		1.35	%
Federal funds purchased and securities sold under agreements to repurchase	204,548		51		0.10	%	194,406		368		0.76	%	115,694		286		0.99	%
Commercial Paper	37,526		7		0.08	%	34,282		28		0.33	%	30,612		37		0.49	%
PPPLF	774,500		676		0.35	%	—		—		—	%	—		—		—	%
Other short-term funding	—		—		—	%	16,997		11		0.25	%	—		—		—	%
FHLB advances	2,810,867		15,470		2.21	%	3,231,999		17,626		2.19	%	3,171,353		17,744		2.24	%
Long-term funding	548,757		5,591		4.08	%	549,465		5,604		4.08	%	796,169		7,396		3.72	%
Total short and long-term funding	4,376,199		21,795		2.00	%	4,027,149		23,637		2.36	%	4,113,829		25,463		2.48	%
Total interest-bearing liabilities	23,592,983		$	34,973	0.60	%	22,812,237		$	60,303	1.06	%	24,105,410		$	92,513	1.54	%
Noninterest-bearing demand deposits	6,926,401						5,506,861						5,089,928
Other liabilities	480,041						416,107						390,585
Stockholders’ equity	3,846,517						3,841,800						3,852,894
Total liabilities and stockholders’ equity	$	34,845,943					$	32,577,005					$	33,438,818
Interest rate spread					2.34	%					2.61	%					2.56	%
Net free funds					0.15	%					0.23	%					0.32	%
Fully tax-equivalent net interest income and net interest margin ("NIM")			$	193,853	2.49	%			$	207,026	2.84	%			$	217,834	2.88	%
Fully tax-equivalent adjustment			3,981						4,084						4,215
Net interest income			$	189,872					$	202,942					$	213,619

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

(b) Nonaccrual loans and loans held for sale have been included in the average balances.

(c) Interest income includes amortization of net deferred loan origination costs and net accreted purchase loan discount.

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Notable Contributions to the Change in Net Interest Income

• Average loans of $24.2 billion increased $1.0 billion, or 4%, compared to the first six months of 2019 primarily driven by PPP loan originations beginning in April, which increased the average loans by $424 million. In addition, the first half of 2020 saw an increase in commercial line draws.

•Taxable investment securities decreased $1.5 billion, or 31%, as the Corporation used its investment portfolio as a source of funds in 2019 to reposition the balance sheet for a declining rate environment.

•Net interest income on the consolidated statements of income (which excludes the fully tax-equivalent adjustment) was $393 million for the first six months of 2020 compared to $429 million for the first six months of 2019. Fully tax-equivalent net interest income of $401 million for the first six months of 2020 was $36 million, or 8%, lower than the first six months of 2019. The net interest margin for the first six months of 2020 was 2.66% compared to 2.89% for the first six months of 2019. The decreases were attributable to a lower interest rate environment and increased liquidity. See sections Interest Rate Risk and Quantitative and Qualitative Disclosures about Market Risk for a discussion of interest rate risk and market risk.

• Average interest-bearing liabilities of $23.2 billion for the first six months of 2020 were down $964 million, or 4%, versus the first six months of 2019. On average, interest-bearing deposits decreased $783 million, or 4%, primarily driven by decreases in higher cost deposits such as network, time and money market accounts. On the funding side, PPPLF increased $387 million, partially offset by a decrease in long-term funding of $247 million, or 31%, primarily due to the redemption of $250 million of senior notes in October 2019.

• The cost of interest-bearing liabilities was 0.83% for the first six months of 2020, which was 70 bp lower than the first six months of 2019. The decrease was primarily due to a 79 bp decrease in the cost of average interest-bearing deposits to 0.53%, primarily attributed to the federal funds rate decreases over the last year.

•The Federal Reserve lowered the federal funds target interest rate five times since the end of the second quarter of 2019, for a total of 225 bp, to a range of 0.00% to 0.25%, at the end of the second quarter of 2020, compared to a range of 2.25% to 2.50% at the end of the second quarter of 2019.

Provision for Credit Losses

The provision for credit losses is predominantly a function of the Corporation’s reserving methodology and judgments as to other qualitative and quantitative factors used to determine the appropriate level of the allowance for loan losses and the allowance for unfunded commitments, which focuses on changes in the size and character of the loan portfolio, changes in levels of individually evaluated and other nonaccrual loans, historical losses and delinquencies in each portfolio category, the level of loans sold or transferred to held for sale, the risk inherent in specific loans, concentrations of loans to specific borrowers or industries, existing economic conditions and economic forecasts, the fair value of underlying collateral, and other factors which could affect potential credit losses. The forecast the Corporation used for June 30, 2020 was the Moody's baseline scenario from June 2020 over a 1 year reasonable and supportable period with immediate reversion to historical losses. See additional discussion under the sections titled, Loans, Credit Risk, Nonperforming Assets, and Allowance for Credit Losses.

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Noninterest Income

Table 3 Noninterest Income

	YTD																2Q20 Change vs
($ in Thousands, except as noted)	June 30, 2020		June 30, 2019		YTD % Change		2Q20		1Q20		4Q19		3Q19		2Q19		1Q20		2Q19
Insurance commissions and fees	$	45,038	$	48,449	(7)	%	$	22,430	$	22,608	$	19,701	$	20,954	$	22,985	(1)	%	(2)	%
Wealth management fees(a)	41,732		40,870		2	%	20,916		20,816		21,582		21,015		20,691		—	%	1	%
Service charges and deposit account fees	26,706		30,542		(13)	%	11,484		15,222		16,032		16,561		15,426		(25)	%	(26)	%
Card-based fees	18,490		19,392		(5)	%	8,893		9,597		9,906		10,456		10,131		(7)	%	(12)	%
Other fee-based revenue	9,272		9,161		1	%	4,774		4,497		4,696		5,085		5,178		6	%	(8)	%
Total fee-based revenue	141,238		148,414		(5)	%	68,498		72,740		71,918		74,071		74,411		(6)	%	(8)	%
Capital markets, net	14,845		7,916		88	%	6,910		7,935		7,647		4,300		4,726		(13)	%	46	%
Mortgage servicing fees, net(b)	1,282		5,564		(77)	%	(781)		2,062		2,104		2,473		2,787		N/M		N/M
Gains (losses) and fair value adjustments on loans held for sale	30,732		8,760		N/M		20,976		9,756		4,542		4,043		6,704		115	%	N/M
Fair value adjustment on portfolio loans transferred to held for sale	3,423		—		N/M		—		3,423		—		4,456		—		(100)	%	N/M
Mortgage servicing rights (impairment) recovery	(17,029)		(146)		N/M		(7,932)		(9,098)		114		(31)		(24)		(13)	%	N/M
Mortgage banking, net	18,407		14,178		30	%	12,263		6,143		6,760		10,940		9,466		100	%	30	%
Bank and corporate owned life insurance	6,719		7,144		(6)	%	3,625		3,094		3,364		4,337		3,352		17	%	8	%
Other	5,090		5,807		(12)	%	2,737		2,352		2,822		2,537		2,547		16	%	7	%
Subtotal	186,298		183,459		2	%	94,034		92,264		92,510		96,185		94,504		2	%	—	%
Asset gains (losses), net(c)	157,284		1,438		N/M		157,361		(77)		398		877		871		N/M		N/M
Investment securities gains(losses), net	9,214		2,143		N/M		3,096		6,118		26		3,788		463		(49)	%	N/M
Total noninterest income	$	352,796	$	187,040	89	%	$	254,490	$	98,306	$	92,934	$	100,850	$	95,837	159	%	166	%
Mortgage loans originated for sale during period	$	860,674	$	459,181	87	%	$	550,419	$	310,254	$	266,503	$	365,108	$	296,660	77	%	86	%
Mortgage loan settlements during period	1,022,268		432,099		137	%	725,003		297,265		268,348		616,630		272,257		144	%	166	%
Mortgage portfolio loans transferred to held for sale during period	199,587		—		N/M		—		199,587		—		242,382		—		(100)	%	N/M
Assets under management, at market value(d)	11,755		11,475		2	%	11,755		10,454		12,104		11,604		11,475		12	%	2	%

N/M = Not Meaningful

(a) Includes trust, asset management, brokerage, and annuity fees.

(b) Includes mortgage origination and servicing fees, net of mortgage servicing rights amortization.

(c) 2Q20 and YTD June 30, 2020 include a gain of $163 million from the sale of ABRC. 2Q19 and YTD June 30, 2019 include less than $1 million of Huntington related asset losses.

(d) $ in millions. Excludes assets held in brokerage accounts.

Notable Contributions to the Change in Noninterest Income

•Asset gains (losses), net was up $156 million from the first six months of 2019, driven by a gain of $163 million from the sale of ABRC, partially offset by other asset write-downs of $6 million during the period.

•Capital markets, net was up $7 million, or 88%, from the first six months of 2019, driven by interest rate swap fees.

•Mortgage banking, net was up $4 million, or 30%, from the first six months of 2019. During the first six months of 2020, there was a $22 million increase in gains and fair value adjustments on loans held for sale driven by higher refinance activity, partially offset by an increase of $17 million in MSRs impairment driven by lower rates.

•Investment securities gains (losses), net was up $7 million from the first six months of 2019. See Note 6 Investment Securities of the notes to consolidated financial statements for additional disclosure about activity in the Corporation's investment securities portfolio.

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Noninterest Expense

Table 4 Noninterest Expense

	YTD																2Q20 Change vs
($ in Thousands)	June 30, 2020		June 30, 2019		YTD % Change		2Q20		1Q20		4Q19		3Q19		2Q19		1Q20		2Q19
Personnel	$	225,551	$	243,279	(7)	%	$	111,350	$	114,200	$	120,614	$	123,170	$	123,228	(2)	%	(10)	%
Technology	41,973		39,126		7	%	21,174		20,799		22,731		20,572		20,114		2	%	5	%
Occupancy	30,532		30,302		1	%	14,464		16,069		16,933		15,164		13,830		(10)	%	5	%
Business development and advertising	9,382		13,293		(29)	%	3,556		5,826		8,316		7,991		6,658		(39)	%	(47)	%
Equipment	10,751		11,245		(4)	%	5,312		5,439		5,970		6,335		5,577		(2)	%	(5)	%
Legal and professional	10,217		8,619		19	%	5,058		5,160		5,559		5,724		4,668		(2)	%	8	%
Loan and foreclosure costs	6,725		3,961		70	%	3,605		3,120		3,262		1,638		1,814		16	%	99	%
FDIC assessment	10,750		8,250		30	%	5,250		5,500		4,000		4,000		4,500		(5)	%	17	%
Other intangible amortization	5,686		4,551		25	%	2,872		2,814		2,712		2,686		2,324		2	%	24	%
Acquisition related costs(a)	2,238		4,366		(49)	%	518		1,721		1,325		1,629		3,734		(70)	%	(86)	%
Other	21,791		22,459		(3)	%	10,249		11,543		12,187		12,021		11,331		(11)	%	(10)	%
Total noninterest expense	$	375,598	$	389,450	(4)	%	$	183,407	$	192,191	$	203,609	$	200,930	$	197,779	(5)	%	(7)	%
Average full-time equivalent employees(b)	4,666		4,663		—	%	4,701		4,631		4,696		4,782		4,666		2	%	1	%

(a) Includes Huntington branch and First Staunton acquisition related costs only

(b) Average full-time equivalent employees without overtime

Notable Contributions to the Change in Noninterest Expense

•Personnel expense decreased $18 million, or 7%, from the first six months of 2019, primarily driven by a decrease in funding for awards under the management incentive plan.

•Business development and advertising decreased $4 million, or 29%, from the first six months of 2019, primarily driven by reductions in travel and entertainment costs and special event sponsorships, largely due to the COVID-19 pandemic.

•Loan and foreclosure costs increased $3 million, or 70%, from the first six months of 2019, driven by an increase in legal fees pertaining to loan collections due to fewer recoveries of previous expenses during 2020.

•The Corporation's FDIC assessment increased $3 million, or 30%, from the first six months of 2019, due to expected increases resulting from asset growth.

Income Taxes

The Corporation recognized income tax expense of $61 million for the six months ended June 30, 2020, compared to income tax expense of $41 million for the six months ended June 30, 2019. The Corporation's effective tax rate was 24.01% for the first six months of 2020, compared to an effective tax rate of 19.46% for the first six months of 2019. The higher effective tax rate and income tax expense during the first six months of 2020 was primarily driven by the gain on sale of ABRC partially offset by tax planning strategies which allowed for the recognition of $55 million of built in capital losses. Assuming the successful completion of these tax planning strategies, we expect the effective tax rate to be 18% or less for the year.

Income tax expense recorded on the consolidated statements of income involves the interpretation and application of certain accounting pronouncements and federal and state tax laws and regulations, and is, therefore, considered a critical accounting policy. The Corporation is subject to examination by various taxing authorities. Examination by taxing authorities may impact the amount of tax expense and / or reserve for uncertainty in income taxes if their interpretations differ from those of management, based on their judgments about information available to them at the time of their examinations. See section Critical Accounting Policies, in the Corporation’s 2019 Annual Report on Form 10-K for additional information on income taxes.

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Balance Sheet Analysis

•At June 30, 2020, total assets were $35.5 billion, up $3.1 billion, or 10%, from December 31, 2019 and up $2.3 billion, or 7%, from June 30, 2019.

•Investment securities, net, which includes available for sale, held to maturity, and equity securities, at June 30, 2020 were $5.2 billion, down $241 million, or 4%, from December 31, 2019 and down $862 million, or 14%, from June 30, 2019. During 2019, the Corporation used its investment portfolio as a source of funds and sought to reposition its investments for the declining interest rate environment. During the first six months of 2020, the Corporation sold $626 million of primarily prepayment sensitive mortgage-related securities and less liquid securities while reinvesting some of the proceeds into more liquid securities in order to further improve portfolio liquidity.

•Loans of $24.8 billion at June 30, 2020 were up $2.0 billion, or 9%, from December 31, 2019 and were up $1.6 billion, or 7%, from June 30, 2019 primarily driven by $1.0 billion in PPP loans originated during the second quarter of 2020. In addition, the Corporation saw increased draws on commercial lines of credit. While the Corporation saw unusually high commercial line draws at the end of the first quarter of 2020, these lines began to pay down during the second quarter of 2020. The Corporation added $370 million in loans from the First Staunton acquisition during the first quarter of 2020.

•At June 30, 2020, total deposits of $26.6 billion were up $2.8 billion, or 12%, from December 31, 2019 and were up $1.3 billion, or 5%, from June 30, 2019. During the first quarter of 2020, the Corporation assumed $439 million of deposits from the First Staunton acquisition. In addition, the increase in balances were due to customers holding proceeds from the PPP loans and other government stimulus programs in their deposit accounts. See section Deposits and Customer Funding for additional information on deposits.

•On January 1, 2020, the Corporation adopted ASU 2016-13 using the modified retrospective approach which resulted in an increase to the allowance for loan losses of $112 million and an increase to the allowance for unfunded commitments of $19 million for a total increase to the ACLL of $131 million. A corresponding after tax decrease to common equity of $98 million was recorded along with a deferred tax asset of $33 million.

•At June 30, 2020, preferred equity was $354 million, up $97 million, or 38%, from both December 31, 2019 and June 30, 2019. On June 9, 2020, the Corporation issued $100 million, or $97 million net of issuance costs, of 5.625% Non-Cumulative Perpetual Preferred Stock, Series F.

Loans

Table 5 Period End Loan Composition

	June 30, 2020				March 31, 2020				December 31, 2019				September 30, 2019				June 30, 2019
($ in Thousands)	Amount		% of Total		Amount		% of Total		Amount		% of Total		Amount		% of Total		Amount		% of Total
PPP	$	1,012,033	4	%	$	—	—	%	$	—	—	%	$	—	—	%	$	—	—	%
Commercial and industrial	7,968,709		32	%	8,517,974		35	%	7,354,594		32	%	7,495,623		33	%	7,579,384		33	%
Commercial real estate — owner occupied	914,385		4	%	940,687		4	%	911,265		4	%	915,524		4	%	942,811		4	%
Commercial and business lending	9,895,127		40	%	9,458,661		39	%	8,265,858		36	%	8,411,147		37	%	8,522,194		37	%
Commercial real estate — investor	4,174,125		17	%	4,038,036		17	%	3,794,517		17	%	3,803,277		17	%	3,779,201		16	%
Real estate construction	1,708,189		7	%	1,544,858		6	%	1,420,900		6	%	1,356,508		6	%	1,394,815		6	%
Commercial real estate lending	5,882,314		24	%	5,582,894		23	%	5,215,417		23	%	5,159,784		23	%	5,174,016		22	%
Total commercial	15,777,441		64	%	15,041,555		62	%	13,481,275		59	%	13,570,932		60	%	13,696,210		59	%
Residential mortgage	7,933,518		32	%	8,132,417		33	%	8,136,980		36	%	7,954,801		35	%	8,277,479		36	%
Home Equity	795,671		3	%	844,901		3	%	852,025		4	%	879,642		4	%	916,213		4	%
Other consumer	326,040		1	%	346,761		1	%	351,159		2	%	349,335		2	%	360,065		2	%
Total consumer	9,055,230		36	%	9,324,079		38	%	9,340,164		41	%	9,183,778		40	%	9,553,757		41	%
Total loans	$	24,832,671	100	%	$	24,365,633	100	%	$	22,821,440	100	%	$	22,754,710	100	%	$	23,249,967	100	%

The Corporation has long-term guidelines relative to the proportion of Commercial and Business, Commercial Real Estate, and Consumer loans within the overall loan portfolio, with each targeted to represent 30-40% of the overall loan portfolio. The targeted long-term guidelines were unchanged during 2019 and the first six months of 2020. Furthermore, certain sub-asset

63

classes within the respective portfolios are further defined and dollar limitations are placed on these sub-portfolios. These guidelines and limits are reviewed quarterly and approved annually by the Enterprise Risk Committee of the Corporation’s Board of Directors. These guidelines and limits are designed to create balance and diversification within the loan portfolios.

The Corporation’s loan distribution and interest rate sensitivity as of June 30, 2020 are summarized in the following table:

Table 6 Loan Distribution and Interest Rate Sensitivity

($ in Thousands)	Within 1 Year(a)		1-5 Years		After 5 Years		Total		% of Total
PPP	$	—	$	1,012,033	$	—	$	1,012,033	4	%
Commercial and industrial	7,367,427		478,877		122,405		7,968,709		32	%
Commercial real estate — owner occupied	468,470		254,968		190,947		914,385		4	%
Commercial real estate — investor	3,717,472		364,363		92,290		4,174,125		17	%
Real estate construction	1,640,317		55,832		12,039		1,708,189		7	%
Residential Mortgage - Adjustable(b)	605,921		2,127,868		1,813,707		4,547,496		18	%
Residential Mortgage - Fixed	93,096		93,942		3,198,985		3,386,023		14	%
Home Equity	37,227		115,210		643,235		795,671		3	%
Other Consumer	111,163		64,019		150,858		326,040		1	%
Total Loans	$	14,041,093	$	4,567,112	$	6,224,466	$	24,832,671	100	%
Fixed rate	$	6,077,451	$	2,132,007	$	3,717,550	$	11,927,008	48	%
Floating or adjustable rate	7,963,642		2,435,105		2,506,916		12,905,663		52	%
Total	$	14,041,093	$	4,567,112	$	6,224,466	$	24,832,671	100	%

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

(b) Based on contractual loan terms for adjustable rate mortgages; does not factor in early prepayments or amortization.

At June 30, 2020, $19.0 billion, or 76%, of the loans outstanding were floating rate, adjustable rate, re-pricing within one year, or maturing within one year.

Credit Risk

An active credit risk management process is used for commercial loans to ensure that sound and consistent credit decisions are made. Credit risk is controlled by detailed underwriting procedures, comprehensive loan administration, and periodic review of borrowers’ outstanding loans and commitments. Borrower relationships are formally reviewed and graded on an ongoing basis for early identification of potential problems. Further analysis by customer, industry, and geographic location are performed to monitor trends, financial performance, and concentrations. See Note 7 Loans of the notes to consolidated financial statements, for additional information on managing overall credit quality.

The loan portfolio is widely diversified by types of borrowers, industry groups, and market areas within the Corporation's branch footprint. Significant loan concentrations are considered to exist when there are amounts loaned to numerous borrowers engaged in similar activities that would cause them to be similarly impacted by economic or other conditions. At June 30, 2020, no significant concentrations existed in the Corporation’s portfolio in excess of 10% of total loans.

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

Table 7 Largest Commercial and Business Lending Industry Group Exposures

June 30, 2020	% of Total Loans		% of Total Commercial and Business Lending
Manufacturing and Wholesale Trade	8	%	19	%
Power and Utilities	7	%	16	%
Finance and Insurance	6	%	14	%
Real Estate	5	%	13	%

The remaining commercial and business lending portfolio is spread over a diverse range of industries, none of which exceed 2% of total loans.

The credit risk related to commercial loans is largely influenced by general economic conditions and the resulting impact on a borrower’s operations or on the value of underlying collateral, if any. Currently, a higher risk segment of the commercial and business lending portfolio is loans to borrowers supporting oil and gas exploration and production, which are further discussed under oil and gas lending below.

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Oil and gas lending: The Corporation provided reserve based loans to oil and gas exploration and production firms. The oil and gas portfolio is in run-off and no new oil and gas loans have been originated since February 2019. At June 30, 2020, the oil and gas portfolio was comprised of 35 credits, totaling $432 million of outstanding balances, which represents less than 2% of the Corporation's total loans. The decrease in balances from June 30, 2019 continues to be driven by a purposeful reduction in exposure to the Corporation's higher-leveraged borrowers.

The Corporation's oil and gas lending team is based in Houston and focuses on serving the funding needs of small and mid-sized companies in the upstream oil and gas business. The oil and gas loans are first lien, reserve-based, and borrowing base dependent lines of credit. The portfolio is diversified across all major U.S. geographic basins and is diversified by product line with approximately 61% in oil and 39% in gas at June 30, 2020. Borrowing base re-determinations for the portfolio are generally completed twice a year and are based on detailed engineering reports and discounted cash flow analysis.

The following table summarizes information about the Corporation's oil and gas loan portfolio.

Table 8 Oil and Gas Loan Portfolio

($ in Millions)	June 30, 2020			March 31, 2020			December 31, 2019			September 30, 2019			June 30, 2019
Pass	$	294		$	361		$	408		$	493		$	589
Special mention	24			10			9			20			—
Potential problem	63			67			43			32			4
Nonaccrual	50			29			23			36			63
Total oil and gas related loans	$	432		$	466		$	484		$	582		$	657
Quarter net charge offs/(recoveries)	$	25		$	9		$	10		$	21		$	10
Oil and gas related allowance for loan losses	82			75			12			21			25
Oil and gas related ACLL on loans	84			78			13			22			25
Oil and gas allowance for loan losses to total oil and gas loans	N/A			N/A			2.6		%	3.7		%	3.8		%
Oil and gas ACLL to total oil and gas loans	19.4		%	16.6		%	2.7		%	3.8		%	3.9		%

•The increase in the ACLL attributable to oil and gas related credits (included within the commercial and industrial ACLL) from both December 31, 2019 and June 30, 2019 is driven by the expected impact of the COVID-19 pandemic within the economic models used in the new expected credit loss methodology.

The adoption impact of ASU 2016-13 for oil and gas loans was included within the commercial and industrial line item of the adoption table in Note 3 Summary of Significant Accounting Policies. The following table provides a summary of the changes in the ACLL in the Corporation's oil and gas loan portfolio as a result of adopting ASU 2016-13.

Table 9 Oil and Gas Impact of Adopting ASU 2016-13

	December 31, 2019				January 1, 2020
($ in Millions)	Allowance for Loan Loss		Allowance for Unfunded Commitment		CECL Day 1 Adjustment		ACLL
Oil and Gas	$	12	$	1	$	55	$	69

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The following tables provide a summary of the changes in ACLL in the Corporation's oil and gas loan portfolio at June 30, 2020 and a summary of the changes in allowance for loan losses in the Corporation's oil and gas loan portfolio at December 31, 2019:

Table 10 Allowance for Credit Losses on Oil and Gas Loans

($ in Millions)	Dec. 31, 2019		Cumulative effect of ASU 2016-13 adoption (CECL)		Jan. 1, 2020		Charge offs		Recoveries		Net Charge offs		Provision for loan losses		June 30, 2020		ACLL / Loans
Allowance for loan losses	$	12	$	53	$	66	$	(34)	$	—	$	(34)	$	50	$	82
Allowance for unfunded commitments	1		2		3		—		—		—		(1)		2
Allowance for credit losses on loans	$	13	$	55	$	69	$	(34)	$	—	$	(34)	$	48	$	84	19.4	%

Table 11 Allowance for Loan Losses on Oil and Gas Loans

($ in Millions)	Dec. 31, 2018		Charge offs		Recoveries		Net Charge offs		Provision for loan losses		Dec. 31, 2019
Allowance for loan losses	$	12	$	(50)	$	5	$	(44)	$	45	$	12

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

Table 12 Largest Commercial Real Estate Investor Property Type Exposures

June 30, 2020	% of Total Loans		% of Total Commercial Real Estate - Investor
Multi-Family	5	%	31	%
Office	4	%	24	%
Retail	4	%	21	%
Industrial	3	%	17	%

The remaining commercial real estate-investor portfolio is spread over various other property types, none of which exceed 2% of total loans.

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

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

Table 13 Largest Real Estate Construction Property Type Exposures

June 30, 2020	% of Total Loans		% of Total Real Estate Construction
Multi-Family	2	%	32	%

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

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

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loans, the loan amounts include interest reserves, which are built into the loans and sized to fund loan payments through construction and lease up and / or sell out.

Residential mortgages: Residential mortgage loans are primarily first lien home mortgages with a maximum loan-to-collateral value without credit enhancement (e.g. private mortgage insurance) of 80%. The residential mortgage portfolio is focused primarily in the Corporation's three-state branch footprint, with approximately 88% of the outstanding loan balances in the Corporation's branch footprint at June 30, 2020. The majority of the on balance sheet residential mortgage portfolio consists of LIBOR based, hybrid, adjustable rate mortgage loans with initial fixed rate terms of 3, 5, 7, or 10 years. The rates on these mortgages adjust based upon the movement in the underlying index which is then added to a margin and rounded to the nearest 0.125%. That result is then subjected to any periodic caps to produce the borrower's interest rate for the coming term.

In 2014, the Financial Stability Oversight Council and Financial Stability Board raised concerns about the reliability and robustness of LIBOR and called for the development of alternative interest rate benchmarks. The Alternative Reference Rates Committee, through authority from the Board of Governors of the Federal Reserve System, have selected the Secured Overnight Financing Rate as the alternative rate and developed a paced transition plan which addresses the risk that LIBOR may not exist beyond the end of 2021. There are still many components of this plan which have not been fully decided or implemented in the industry. As a result, the Corporation is reaching out to borrowers offering an opportunity to refinance or modify their loan to avoid any uncertainty around the LIBOR transition. Performing borrowers can modify or refinance to a fixed interest rate or an adjustable rate mortgage tied to the one-year treasury adjusted to a constant maturity of one-year with an appropriate margin. This provides the bank and borrower with greater certainty around the loan structure.

The Corporation generally retains certain fixed-rate residential real estate mortgages in its loan portfolio, including retail and private banking jumbo mortgages and CRA-related mortgages. As part of management’s historical practice of originating and servicing residential mortgage loans, generally the Corporation’s 30 year, agency conforming, fixed-rate residential real estate mortgage loans have been sold in the secondary market with servicing rights retained. Subject to management’s analysis of the current interest rate environment, among other market factors, the Corporation may choose to retain 30 year mortgage loan production on its balance sheet. During the six months ended June 30, 2020, the Corporation sold $188 million of residential loans held for sale, in order to reduce the Corporation's exposure to prepayment risk in the current low rate environment. See section Loans for additional information on loans.

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

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

The Corporation’s underwriting and risk-based pricing guidelines for home equity lines and loans consist of a combination of both borrower FICO and the original cumulative LTV against the property securing the loan. During the second quarter of 2020, in the volatile economic environment, the Corporation reduced its exposure by reducing its maximum LTV on home equity lines of credit from 90% to 80%, among other changes, while maintaining the minimum acceptable FICO at 670. The Corporation's current home equity line of credit offering is priced based on floating rate indices and generally allows 10 years of interest-only payments followed by a 20-year amortization of the outstanding balance. The Corporation has significantly curtailed its offerings of fixed-rate, closed-end home equity loans. The loans in the Corporation's portfolio generally have an original term of 20 years with principal and interest payments required. See section Loans for additional information on loans.

Other consumer: Other consumer consists of student loans, short-term and other personal installment loans and credit cards. The Corporation had $124 million and $136 million of student loans at June 30, 2020 and December 31, 2019, respectively, the majority of which are government guaranteed. As a result of the COVID-19 pandemic and the passage of the CARES Act, government guaranteed student loans have been placed on an administrative forbearance through September 30, 2020. Credit risk for non-government guaranteed student loans, short-term, personal installment loans, and credit cards is influenced by general economic conditions, the characteristics of individual borrowers, and the nature of the loan collateral. Risks of loss are generally on smaller average balances per loan spread over many borrowers. Once charged off, there is usually less opportunity for recovery of these smaller consumer loans. Credit risk is primarily controlled by reviewing the creditworthiness of the

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borrowers, monitoring payment histories, and taking appropriate collateral and guarantee positions. The student loan portfolio is in run-off and no new student loans are being originated.

COVID-19 Update:

Beginning on April 3, 2020, the Corporation began originating SBA loans under the PPP, which are included in commercial and business lending loans, to help businesses keep their workforce employed and cover other working capital needs during the COVID-19 pandemic. All complete eligible applications for the PPP have been processed in the order in which they have been received. The Corporation has fully funded the PPP loans by drawing from the PPPLF, established under the CARES Act. The Corporation believes the PPP loans will begin paying down in the fourth quarter of 2020, and a vast majority of the loans and related lines will be forgiven and paid down by the end of the first quarter of 2021, but we are awaiting detailed guidance from the SBA before launching the forgiveness process on behalf of our customers.

The following table summarizes the balance segmentation of the PPP loans as of June 30, 2020:

Table 14 Paycheck Protection Program Loan Segmentation

($ in Thousands)	Number of Loans	Originated Balance		Outstanding Balance		Impacted Jobs
>=$2,000,000	99	$	335,534	$	304,158	26,688
< $2,000,000 And > $350,000	480	383,545		374,437		36,953
<=$350,000	7,081	335,848		333,438		49,089
Total	7,660	$	1,054,927	$	1,012,033	112,730

For consumers, the Corporation suspended certain transaction and late fees; initiated consumer and mortgage loan payment deferral and credit card payment relief programs; and suspended foreclosures and repossessions. Of the consumers that have received modifications, 27% of customers have made at least one payment post modification. Additionally, as of June 30, 2020, approximately $2 million of transaction and late fees have been waived.

The following table summarizes loans deferred in response to COVID-19 as of June 30, 2020 as a result of the loan payment deferral and credit card payment relief program:

Table 15 COVID-19 Loan Deferrals

($ in Thousands)	Number of Loans	Number of Relationships	Outstanding Balance
Commercial and business lending	360	229	$	183,682
Commercial real estate	206	165	638,272
Total consumer	2,840	2,591	724,921
Total	3,406	2,985	$	1,546,876

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Nonperforming Assets

Management is committed to a proactive nonaccrual and problem loan identification philosophy. This philosophy is implemented through the ongoing monitoring and review of all pools of risk in the loan portfolio to ensure that problem loans are identified quickly and the risk of loss is minimized. Table 16 provides detailed information regarding NPAs, which include nonaccrual loans, OREO, and other NPAs:

Table 16 Nonperforming Assets

($ in Thousands)	June 30, 2020			March 31, 2020			December 31, 2019			September 30, 2019			June 30, 2019
Nonperforming assets
PPP	$	—		$	—		$	—		$	—		$	—
Commercial and industrial	80,239			58,854			46,312			56,536			84,151
Commercial real estate — owner occupied	1,932			1,838			67			68			571
Commercial and business lending	82,171			60,692			46,380			56,604			84,722
Commercial real estate — investor	11,172			1,091			4,409			4,800			1,485
Real estate construction	503			486			493			542			427
Commercial real estate lending	11,675			1,577			4,902			5,342			1,912
Total commercial	93,846			62,269			51,282			61,946			86,634
Residential mortgage	66,656			64,855			57,844			57,056			68,166
Home equity	10,829			9,378			9,104			9,828			11,835
Other consumer	276			215			152			109			72
Total consumer	77,761			74,448			67,099			66,993			80,073
Total nonaccrual loans	171,607			136,717			118,380			128,939			166,707
Commercial real estate owned	2,968			3,105			3,530			3,603			3,314
Residential real estate owned	3,573			5,994			5,696			4,791			3,508
Bank properties real estate owned	13,723			13,431			11,874			11,230			11,533
OREO	20,264			22,530			21,101			19,625			18,355
Other nonperforming assets	909			6,004			6,004			6,004			—
Total nonperforming assets	$	192,780		$	165,251		$	145,485		$	154,568		$	185,062
Accruing loans past due 90 days or more
Commercial	$	385		$	436		$	342		$	266		$	293
Consumer	1,081			1,819			1,917			1,720			1,795
Total accruing loans past due 90 days or more	$	1,466		$	2,255		$	2,259		$	1,986		$	2,088
Restructured loans (accruing)(a)
Commercial	$	18,189		$	18,767		$	18,944		$	17,842		$	19,367
Consumer	7,114			7,618			7,097			6,487			26,114
Total restructured loans (accruing)	$	25,303		$	26,384		$	26,041		$	24,329		$	45,481
Nonaccrual restructured loans (included in nonaccrual loans)	$	25,362		$	24,204		$	22,494		$	16,293		$	24,332
Ratios
Nonaccrual loans to total loans	0.69		%	0.56		%	0.52		%	0.57		%	0.72		%
NPAs to total loans plus OREO	0.78		%	0.68		%	0.64		%	0.68		%	0.80		%
NPAs to total assets	0.54		%	0.49		%	0.45		%	0.47		%	0.56		%
Allowance for loan losses to nonaccrual loans	N/A			N/A			170.10		%	166.30		%	140.16		%
Allowance for credit losses on loans to nonaccrual loans	249.74		%	288.24		%	188.61		%	184.07		%	153.30		%

(a) Does not include any restructured loans related to COVID-19 in accordance with Section 4013 of the CARES Act.

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Table 16 Nonperforming Assets (continued)

($ in Thousands)	June 30, 2020		March 31, 2020		December 31, 2019		September 30, 2019		June 30, 2019
Accruing loans 30-89 days past due
PPP	$	—	$	—	$	—	$	—	$	—
Commercial and industrial	716		976		821		426		4,909
Commercial real estate — owner occupied	199		51		1,369		2,646		2,018
Commercial and business lending	916		1,027		2,190		3,073		6,926
Commercial real estate — investor	13,874		14,462		1,812		636		1,382
Real estate construction	385		179		97		595		151
Commercial real estate lending	14,260		14,641		1,909		1,232		1,532
Total commercial	15,175		15,668		4,099		4,304		8,459
Residential mortgage	3,023		10,102		9,274		8,063		9,756
Home equity	3,108		7,001		5,647		4,798		5,827
Other consumer	1,482		1,777		2,083		2,203		1,838
Total consumer	7,613		18,879		17,005		15,063		17,422
Total accruing loans 30-89 days past due	$	22,788	$	34,547	$	21,104	$	19,367	$	25,881
Potential problem loans
PPP(a)	$	19,161	$	—	$	—	$	—	$	—
Commercial and industrial	176,270		149,747		110,308		59,427		58,658
Commercial real estate — owner occupied	15,919		15,802		19,889		22,624		24,237
Commercial and business lending	211,350		165,550		130,197		82,051		82,895
Commercial real estate — investor	88,237		61,030		29,449		49,353		77,766
Real estate construction	2,170		1,753		—		544		3,166
Commercial real estate lending	90,407		62,783		29,449		49,897		80,932
Total commercial	301,758		228,333		159,646		131,948		163,828
Residential mortgage	3,157		3,322		1,451		1,242		1,983
Home equity	1,921		2,238		—		—		32
Total consumer	5,078		5,559		1,451		1,242		2,014
Total potential problem loans	$	306,836	$	233,892	$	161,097	$	133,189	$	165,842

(a) The Corporation’s policy is to assign risk ratings at the borrower level. PPP loans are 100% guaranteed by the SBA and therefore the Corporation considers these loans to have a risk profile similar to pass rated loans.

Nonaccrual loans: Nonaccrual loans are considered to be one indicator of potential future loan losses. See Note 7 Loans of the notes to consolidated financial statements for additional nonaccrual loan disclosures. See also Allowance for Credit Losses.

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

Restructured loans: Loans are considered restructured loans if concessions have been granted to borrowers that are experiencing financial difficulty. See also Note 7 Loans of the notes to consolidated financial statements for additional restructured loans disclosures.

Potential problem loans: The level of potential problem loans is another predominant factor in determining the relative level of risk in the loan portfolio and in determining the appropriate level of the allowance for loan losses. Potential problem loans are generally defined by management to include loans rated as substandard by management but that are not individually evaluated (i.e., nonaccrual loans and accruing TDRs); however, there are circumstances present to create doubt as to the ability of the borrower to comply with present repayment terms. The decision of management to include performing loans in potential problem loans does not necessarily mean that the Corporation expects losses to occur, but that management recognizes a higher degree of risk associated with these loans.

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

Other nonperforming assets: The asset balance as of June 30, 2020 represents the Bank's units of ownership interest in oil and gas limited liability companies as a result of a partial settlement of a debt. During the second quarter of 2020, the Corporation wrote the value for one of the ownership interests down to the fair market value, resulting in a $5 million asset loss. These investments are included in tax credit and other investments on the consolidated balance sheets.

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Allowance for Credit Losses on Loans

Credit risks within the loan portfolio are inherently different for each loan type. Credit risk is controlled and monitored through the use of lending standards, a thorough review of potential borrowers, and ongoing review of loan payment performance. Active asset quality administration, including early problem loan identification and timely resolution of problems, aids in the management of credit risk and the minimization of loan losses. Credit risk management for each loan type is discussed in the section entitled Credit Risk. See Note 7 Loans of the notes to consolidated financial statements for additional disclosures on the ACLL.

To assess the appropriateness of the ACLL, an allocation methodology is applied by the Corporation which focuses on evaluation of many factors, including but not limited to: evaluation of facts and issues related to specific loans, management’s ongoing review and grading of the loan portfolio, credit report refreshes, consideration of historical loan loss and delinquency experience on each portfolio category, trends in past due and nonaccrual loans, the level of potential problem loans, the risk characteristics of the various classifications of loan segments, changes in the size and character of the loan portfolio, concentrations of loans to specific borrowers or industries, existing economic conditions and economic forecasts, the fair value of underlying collateral, funding assumptions on lines and other qualitative and quantitative factors which could affect potential credit losses. The Corporation utilized the Moody's baseline forecast for June 2020 in the allowance model. The forecast is applied over a 1 year reasonable and supportable period with immediate reversion to historical long run losses. Assessing these factors involves significant judgment. Because each of the criteria used is subject to change, the ACLL is not necessarily indicative of the trend of future credit losses on loans in any particular segment. Therefore, management considers the ACLL a critical accounting policy, see section Critical Accounting Policies for additional information on the ACLL. See section Nonperforming Assets for a detailed discussion on asset quality. See also Note 7 Loans of the notes to consolidated financial statements for additional ACLL disclosures. Table 5 provides information on loan growth and period end loan composition, Table 16 provides additional information regarding NPAs, and Table 17 and Table 18 provide additional information regarding activity in the ACLL.

The methodology used for the allocation of the ACLL at June 30, 2020 and December 31, 2019 was generally comparable. The allocation methodology consists of the following components: First, a valuation allowance estimate is established for specifically identified commercial and consumer loans determined by the Corporation to be individually evaluated, using discounted cash flows, estimated fair value of underlying collateral, and / or other data available. Second, management allocates the ACLL with loss factors by loan segment. Loans are segmented for criticized loan pools by loan type as well as for non-criticized loan pools by loan type, primarily based on historical loss rates after considering loan type, historical loss and delinquency experience, credit quality, and industry classifications. Loans that have been criticized are considered to have a higher risk of default than non-criticized loans, as circumstances were present to support the lower loan grade, warranting higher loss factors. The loss factors applied in the methodology are periodically re-evaluated and adjusted to reflect changes in historical loss levels or other risks. Additionally, management allocates ACLL to absorb losses that may not be provided for by the other components due to qualitative factors evaluated by management, such as limitations within the credit risk grading process, known current economic or business conditions that may not yet show in trends, industry or other concentrations with current issues that impose higher inherent risks than are reflected in the loss factors, and other relevant considerations. The total allowance is available to absorb losses from any segment of the loan portfolio.

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Table 17 Allowance for Credit Losses on Loans

	YTD						Quarter Ended
($ in Thousands)	June 30, 2020			June 30, 2019			June 30, 2020			March 31, 2020			December 31, 2019			September 30, 2019			June 30, 2019
Allowance for Loan Losses
Balance at beginning of period	$	201,371		$	238,023		$	337,793		$	201,371		$	214,425		$	233,659		$	235,081
Cumulative effect of ASU 2016-13 adoption (CECL)	112,457			N/A			N/A			112,457			N/A			N/A			N/A
Balance at beginning of period, adjusted	313,828			238,023			337,793			313,828			214,425			233,659			235,081
Provision for loan losses	87,457			16,500			52,500			34,957			1,000			1,000			12,000
Provision for loan losses recorded at acquisition	2,543			N/A			N/A			2,543			N/A			N/A			N/A
Gross up of allowance for PCD loans at acquisition	3,504			N/A			N/A			3,504			N/A			N/A			N/A
Charge offs	(47,659)			(31,247)			(28,351)			(19,308)			(16,752)			(26,313)			(15,761)
Recoveries	4,129			10,384			1,861			2,268			2,699			6,079			2,339
Net (charge offs) recoveries	(43,530)			(20,864)			(26,490)			(17,040)			(14,054)			(20,234)			(13,421)
Balance at end of period	$	363,803		$	233,659		$	363,803		$	337,793		$	201,371		$	214,425		$	233,659
Allowance for Unfunded Commitments
Balance at beginning of period	$	21,907		$	24,336		$	56,276		$	21,907		$	22,907		$	21,907		$	25,836
Cumulative effect of ASU 2016-13 adoption (CECL)	18,690			N/A			N/A			18,690			N/A			N/A			N/A
Balance at beginning of period, adjusted	40,597			24,336			56,276			40,597			22,907			21,907			25,836
Provision for unfunded commitments	24,000			(2,500)			8,500			15,500			(1,000)			1,000			(4,000)
Amount recorded at acquisition	179			70			—			179			—			—			70
Balance at end of period	$	64,776		$	21,907		$	64,776		$	56,276		$	21,907		$	22,907		$	21,907
Allowance for credit losses on loans(a)	$	428,579		$	255,566		$	428,579		$	394,069		$	223,278		$	237,331		$	255,566
Provision for credit losses on loans(b)	114,000			14,000			61,000			53,000			—			2,000			8,000
Net loan (charge offs) recoveries
PPP	$	—		$	—		$	—		$	—		$	—		$	—		$	—
Commercial and industrial	(39,968)			(19,605)			(24,919)			(15,049)			(11,917)			(19,918)			(12,177)
Commercial real estate — owner occupied	1			1,089			1			—			—			1,483			(104)
Commercial and business lending	(39,967)			(18,515)			(24,919)			(15,048)			(11,917)			(18,435)			(12,281)
Commercial real estate — investor	28			34			28			—			—			(3)			3
Real estate construction	8			151			(3)			11			72			20			151
Commercial real estate lending	36			185			25			11			72			17			153
Total commercial	(39,931)			(18,331)			(24,893)			(15,037)			(11,845)			(18,418)			(12,127)
Residential mortgage	(1,127)			(822)			(215)			(912)			(1,415)			(393)			(365)
Home equity	(232)			548			(303)			71			480			(275)			239
Other consumer	(2,240)			(2,259)			(1,078)			(1,162)			(1,274)			(1,148)			(1,169)
Total consumer	(3,599)			(2,533)			(1,596)			(2,003)			(2,208)			(1,816)			(1,294)
Total net (charge offs) recoveries	$	(43,530)		$	(20,864)		$	(26,490)		$	(17,040)		$	(14,054)		$	(20,234)		$	(13,421)
Ratios
Allowance for loan losses to total loans	N/A			1.00		%	N/A			N/A			0.88		%	0.94		%	1.00		%
Allowance for credit losses on loans to total loans	1.73		%	1.10		%	1.73		%	1.62		%	0.98		%	1.04		%	1.10		%
Allowance for loan losses to net charge offs (annualized)	N/A			5.6x			N/A			N/A			3.6x			2.7x			4.3x
Allowance for credit losses on loans to net charge offs (annualized)	4.9x			6.1x			4.0x			5.7x			4.0x			3.0x			4.7x
(a) Excludes approximately $61,000 of allowance for held to maturity investment securities.
(b) Includes the provision for loan losses and the provision for unfunded commitments.

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Table 18 Annualized net (charge offs) recoveries^(a)

	YTD		Quarter Ended
(In basis points)	June 30, 2020	June 30, 2019	June 30, 2020	March 31, 2020	December 31, 2019	September 30, 2019	June 30, 2019
Net loan (charge offs) recoveries
PPP	—	—	—	—	—	—	—
Commercial and industrial	(102)	(52)	(121)	(81)	(65)	(104)	(64)
Commercial real estate — owner occupied	—	24	—	—	—	63	(4)
Commercial and business lending	(87)	(44)	(100)	(72)	(58)	(86)	(57)
Commercial real estate — investor	—	—	—	—	—	—	—
Real estate construction	—	2	—	—	2	1	5
Commercial real estate lending	—	1	—	—	1	—	1
Total commercial	(54)	(27)	(64)	(44)	(35)	(53)	(35)
Residential mortgage	(3)	(2)	(1)	(4)	(7)	(2)	(2)
Home equity	(6)	13	(15)	3	22	(12)	11
Other consumer	(131)	(128)	(128)	(134)	(145)	(129)	(132)
Total consumer	(8)	(5)	(7)	(8)	(9)	(8)	(5)
Total net (charge offs) recoveries	(36)	(18)	(42)	(29)	(24)	(35)	(23)

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

The following table illustrates the effect of the Day 1 adoption of ASU 2016-13 as well as the quarterly increase for the first and second quarter of 2020 in the ACLL as of June 30, 2020:

Table 19 Allowance for Credit Losses on Loans by Loan Portfolio

($ in Thousands)	December 31, 2019		CECL Day 1 Adjustment		ACLL Beginning Balance		Net ACLL Build		March 31, 2020		Net ACLL Build		June 30, 2020		ACLL / Loans
PPP	$	—	$	—	$	—	$	—	$	—	$	808	$	808	0.08	%
Commercial and industrial	103,409		48,921		152,330		36,458		188,788		6,367		195,155		2.45	%
Commercial real estate - owner occupied	10,411		(1,851)		8,560		1,993		10,553		(15)		10,538		1.15	%
Commercial and business lending	113,820		47,070		160,890		38,451		199,342		7,159		206,501		2.09	%
Commercial real estate - investor	41,044		2,287		43,331		(785)		42,546		16,524		59,070		1.42	%
Real estate construction	32,447		25,814		58,261		7,428		65,688		10,585		76,273		4.47	%
Commercial real estate lending	73,490		28,101		101,591		6,643		108,235		27,109		135,343		2.30	%
Total Commercial	187,311		75,171		262,482		45,094		307,577		34,269		341,844		2.17	%
Residential mortgage	16,960		33,215		50,175		(6,227)		43,947		(121)		43,826		0.55	%
Home equity	11,964		14,240		26,204		39		26,244		(936)		25,308		3.18	%
Other consumer	7,044		8,520		15,564		737		16,302		1,299		17,601		5.40	%
Total consumer	35,968		55,975		91,943		(5,450)		86,493		242		86,735		0.96	%
Total allowance for credit losses on loans	$	223,278	$	131,147	$	354,425	$	39,643	$	394,069	$	34,510	$	428,579	1.73	%

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

•Total loans increased $2.0 billion, or 9%, from December 31, 2019 and increased $1.6 billion, or 7%, from June 30, 2019, primarily driven by an increase of $1.0 billion in PPP loans and increased commercial line draws during the first quarter of 2020. The commercial line draws began to be paid down during the second quarter of 2020. In addition, the Corporation added $370 million in loans from the First Staunton acquisition during the first quarter of 2020. See section Loans for additional information on the changes in the loan portfolio and see section Credit Risk for discussion about credit risk management for each loan type.

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•Potential problem loans increased $146 million, or 90%, from December 31, 2019 and increased $141 million, or 85%, from June 30, 2019, primarily due to increases in commercial and industrial and commercial real estate - investor loans, stemming in part from the effects of COVID-19. See Table 16 for additional information on the changes in potential problem loans.

•Total nonaccrual loans increased $53 million, or 45%, from December 31, 2019 and increased $5 million, or 3%, from June 30, 2019. The increase from year-end was primarily due to an increase in nonaccrual oil and gas loans, stemming in part from the effects of COVID-19. See Note 7 Loans of the notes to consolidated financial statements and Table 16 for additional disclosures on the changes in asset quality.

•YTD net charge offs increased $23 million from June 30, 2019, primarily driven by oil and gas charge offs. See Table 8, Table 17, and Table 18 for additional information regarding the activity in the ACLL.

Management believes the level of ACLL to be appropriate at June 30, 2020.

Deposits and Customer Funding

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

Table 20 Period End Deposit and Customer Funding Composition

	June 30, 2020				March 31, 2020				December 31, 2019				September 30, 2019				June 30, 2019
($ in Thousands)	Amount		% of Total		Amount		% of Total		Amount		% of Total		Amount		% of Total		Amount		% of Total
Noninterest-bearing demand	$	7,573,942	29	%	$	6,107,386	24	%	$	5,450,709	23	%	$	5,503,223	23	%	$	5,354,987	21	%
Savings	3,394,930		13	%	3,033,039		12	%	2,735,036		12	%	2,643,950		11	%	2,591,173		10	%
Interest-bearing demand	5,847,349		22	%	6,170,071		24	%	5,329,717		22	%	5,434,955		22	%	6,269,035		25	%
Money market	7,486,319		28	%	7,717,739		30	%	7,640,798		32	%	7,930,676		32	%	7,691,775		30	%
Brokered CDs	4,225		—	%	65,000		—	%	5,964		—	%	16,266		—	%	77,543		—	%
Other time	2,244,680		8	%	2,568,345		10	%	2,616,839		11	%	2,893,493		12	%	3,289,709		13	%
Total deposits	$	26,551,444	100	%	$	25,661,580	100	%	$	23,779,064	100	%	$	24,422,562	100	%	$	25,274,222	100	%
Customer funding(a)	178,398				142,174				103,113				108,369				104,973
Total deposits and customer funding	$	26,729,842			$	25,803,754			$	23,882,177			$	24,530,932			$	25,379,195
Network transaction deposits(b)	$	1,496,958			$	1,731,996			$	1,336,286			$	1,527,910			$	1,805,141
Net deposits and customer funding (total deposits and customer funding, excluding Brokered CDs and network transaction deposits)	25,228,660				24,006,758				22,539,927				22,986,756				23,496,510
Time deposits of more than $250,000	559,434				756,195				861,183				1,074,990				1,433,516

(a) Securities sold under agreement to repurchase and commercial paper.

(b) Included above in interest-bearing demand and money market.

•Deposits are the Corporation’s largest source of funds.

•Total deposits increased $2.8 billion, or 12%, from December 31, 2019 and increased $1.3 billion, or 5%, from June 30, 2019. On February 14, 2020, the Corporation assumed $439 million in deposits from the acquisition of First Staunton. Additionally, over the first half of 2020, the Corporation saw deposit inflows from customers holding proceeds from PPP loans and other government stimulus money in their deposit accounts.

•Savings accounts increased $660 million, or 24%, from December 31, 2019 and increased $804 million, or 31%, from June 30, 2019 and noninterest-bearing deposits increased $2.1 billion, or 39%, from December 31, 2019, and increased $2.2 billion, or 41%, from June 30, 2019. These increases were primarily due to COVID-19 related inflows.

•Non-maturity deposit accounts comprised of savings, money market, and demand (both interest and noninterest-bearing) accounts comprised 92% of the Corporation's total deposits at June 30, 2020.

•Included in the above amounts were $1.5 billion of network deposits, primarily sourced from other financial institutions and intermediaries. These represented 6% of the Corporation's total deposits at June 30, 2020. Network deposits increased $161 million, or 12%, from December 31, 2019, but decreased $308 million, or 17%, from June 30, 2019.

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Liquidity

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

The Corporation performs dynamic scenario analysis in accordance with industry best practices. Measures have been established to ensure the Corporation has sufficient high quality short-term liquidity to meet cash flow requirements under stressed scenarios. In addition, the Corporation also reviews static measures such as deposit funding as a percentage of total assets and liquid asset levels. Strong capital ratios, credit quality, and core earnings are also essential to maintaining cost effective access to wholesale funding markets. At June 30, 2020, the Corporation was in compliance with its internal liquidity objectives and has sufficient asset-based liquidity to meet its obligations under a stressed scenario.

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

•Investment securities, which are an important tool to the Corporation’s liquidity objective and can be pledged or sold to enhance liquidity, if necessary. See Note 6 Investment Securities of the notes to consolidated financial statements for additional information on the Corporation's investment securities portfolio, including pledged investment securities.

•Pledgeable loan collateral, which is eligible collateral with both the Federal Reserve Bank and the FHLB under established lines of credit. Based on the amount of collateral pledged, the FHLB established a collateral value from which the Bank may draw advances against the collateral. The collateral is also used to enable the FHLB to issue letters of credit in favor of public fund depositors of the Bank. As of June 30, 2020, the Bank had $4.7 billion available for future advances. The Federal Reserve Bank also establishes a collateral value of assets to support borrowings from the discount window. As of June 30, 2020, the Bank had $1.2 billion available for discount window borrowings.

•A $200 million Parent Company commercial paper program, of which $40 million was outstanding as of June 30, 2020.

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

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

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

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

•Global Bank Note Program issuances; the Bank has implemented the program pursuant to which it may from time to time offer up to $2.0 billion aggregate principal amount of its unsecured senior and subordinated notes. In August 2018, the Bank issued $300 million of senior notes, due August 2021, and callable July 2021.

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Credit ratings relate to the Corporation’s ability to issue debt securities and the cost to borrow money, and should not be viewed as an indication of future stock performance or a recommendation to buy, sell, or hold securities. Adverse changes in these factors could result in a negative change in credit ratings and impact not only the ability to raise funds in the capital markets but also the cost of these funds. The credit ratings of the Parent Company and the Bank at June 30, 2020 are displayed below:

Table 21 Credit Ratings

	Moody’s	S&P
Bank short-term deposits	P-1	-
Bank long-term deposits/issuer	A1	BBB+
Corporation commercial paper	P-2	-
Corporation long-term senior debt/issuer	Baa1	BBB
Outlook	Stable	Stable

For the six months ended June 30, 2020, net cash provided by operating activities and financing activities was $286 million and $2.5 billion, respectively, while net cash used in investing activities was $1.3 billion for a net increase in cash, cash equivalents, and restricted cash of $1.4 billion since year-end 2019. At June 30, 2020, assets of $35.5 billion increased $3.1 billion, or 10%, from year-end 2019, primarily driven by a $2.0 billion, or 9%, increase in loans. On February 14, 2020, the Corporation added $370 million in loans from the First Staunton acquisition and at June 30, 2020 the Corporation had $1.0 billion in PPP loans. On the funding side, deposits of $26.6 billion increased $2.8 billion, or 12%, from year-end. On February 14, 2020, the Corporation assumed $439 million of deposits from the First Staunton acquisition. In addition, the increase in balances was due to customers holding proceeds from the PPP loans and other government stimulus programs in their deposit accounts.

For the six months ended June 30, 2019, net cash provided by operating activities, and investing activities was $70 million, and $968 million, respectively, while financing activities used net cash of $1.4 billion for a net decrease in cash, cash equivalents, and restricted cash of $320 million since year-end 2018. At June 30, 2019, assets of $33.2 billion decreased $368 million, or 1%, from year-end 2018, primarily driven by a $663 million decrease in available for sale investment securities, partially offset by a $310 million increase in loans. On June 14, 2019, the Corporation added $116 million in loans from the Huntington branch acquisition. On the funding side, deposits of $25.3 billion increased $377 million, or 2% from year-end. On June 14, 2019, the Corporation assumed $725 million of deposits from the Huntington branch acquisition. The increase in deposits from the Huntington branch acquisition was partially offset by a decrease in brokered CDs and network deposits. FHLB advances of $2.7 billion decreased $831 million, or 23%, from year-end 2018.

Quantitative and Qualitative Disclosures about Market Risk

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

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

Interest Rate Risk

The primary goal of interest rate risk management is to control exposure to interest rate risk within policy limits approved by the Board of Directors. These limits and guidelines reflect the Corporation's risk appetite for interest rate risk over both short-term and long-term horizons. No interest rate limit breaches occurred during the first six months of 2020.

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

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income while a flatter yield curve is relatively neutral, and a lower or inverted yield curve generally has a negative impact on earnings. The Corporation's EAR profile is asset sensitive at June 30, 2020.

For further discussion of the Corporation's interest rate risk and corresponding key assumptions, see the Interest Rate Risk section of Management’s Discussion and Analysis of Financial Condition and Results of Operations included in the Corporation’s 2019 Annual Report on Form 10-K.

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

While a gradual shift in interest rates was used in this analysis to provide an estimate of exposure under a probable scenario, an instantaneous shift in interest rates would have a much more significant impact.

Table 22 Estimated % Change in Rate Sensitive Earnings at Risk Over 12 Months

	Dynamic Forecast June 30, 2020		Static Forecast June 30, 2020		Dynamic Forecast December 31, 2019		Static Forecast December 31, 2019
Gradual Rate Change
100 bp increase in interest rates	7.6	%	7.5	%	4.0	%	3.7	%
200 bp increase in interest rates	15.4	%	15.1	%	7.4	%	6.7	%

At June 30, 2020, the MVE profile indicates an increase in net balance sheet value due to instantaneous upward changes in rates.

Table 23 Market Value of Equity Sensitivity

	June 30, 2020		December 31, 2019
Instantaneous Rate Change
100 bp increase in interest rates	6.3	%	(0.5)	%
200 bp increase in interest rates	12.4	%	(2.1)	%

Since MVE measures the discounted present value of cash flows over the estimated lives of instruments, the change in MVE does not directly correlate to the degree that earnings would be impacted over a shorter time horizon (i.e., the current year). Further, MVE does not take into account factors such as future balance sheet growth, changes in product mix, changes in yield curve relationships, and changes in product spreads that could mitigate the adverse impact of changes in interest rates.

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

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

The following table summarizes significant contractual obligations and other commitments at June 30, 2020, at those amounts contractually due to the recipient, including any unamortized premiums or discounts, hedge basis adjustments, or other similar carrying value adjustments.

Table 24 Contractual Obligations and Other Commitments^(a)

($ in Thousands)	One Year or Less		One to Three Years		Three to Five Years		Over Five Years		Total
Time deposits	$	1,778,690	$	371,487	$	98,706	$	21	$	2,248,904
Short-term funding	181,828		—		—		—		181,828
FHLB advances	91,812		710,140		1,250,633		604,431		2,657,016
PPPLF	—		1,000,510		9,251		—		1,009,760
Long-term funding	—		300,218		248,719		—		548,937
Operating leases	9,060		13,730		8,560		12,028		43,377
Commitments to extend credit	4,681,833		3,652,242		1,439,851		199,596		9,973,522
Total	$	6,743,223	$	6,048,327	$	3,055,720	$	816,076	$	16,663,345

(a) Based on original contractual maturity

The Corporation utilizes a variety of financial instruments in the normal course of business to meet the financial needs of its customers and to manage its own exposure to fluctuations in interest rates. These financial instruments include lending-related commitments and derivative instruments. A discussion of the Corporation’s derivative instruments at June 30, 2020 is included in Note 10 Derivative and Hedging Activities of the notes to consolidated financial statements. A discussion of the Corporation’s lending-related commitments is included in Note 12 Commitments, Off-Balance Sheet Arrangements, Legal Proceedings and Regulatory Matters of the notes to consolidated financial statements. See Note 9 Short and Long-Term Funding of the notes to consolidated financial statements for additional information on the Corporation’s short-term funding, FHLB advances, PPPLF, and long-term funding. See also Note 18 Leases for additional information on the Corporation's operating leases.

Capital

Management actively reviews capital strategies for the Corporation and each of its subsidiaries in light of perceived business risks, future growth opportunities, industry standards, and compliance with regulatory requirements. The assessment of overall capital adequacy depends on a variety of factors, including asset quality, liquidity, stability of earnings, changing competitive forces, economic condition in markets served, and strength of management. At June 30, 2020, the capital ratios of the Corporation and its banking subsidiaries were in excess of regulatory minimum requirements. The Corporation’s capital ratios are summarized in the following table.

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Table 25 Capital Ratios

	YTD				Quarter Ended
($ in Thousands)	June 30, 2020		June 30, 2019		June 30, 2020			March 31, 2020			December 31, 2019			September 30, 2019			June 30, 2019
Risk-based Capital(a)
CET1					$	2,651,286		$	2,421,135		$	2,480,698		$	2,482,394		$	2,481,334
Tier 1 capital					3,004,424			2,676,951			2,736,776			2,738,708			2,737,607
Total capital					3,577,757			3,249,807			3,208,625			3,224,538			3,241,597
Total risk-weighted assets					25,864,463			25,866,140			24,296,382			24,312,727			24,465,973
CET1 capital ratio					10.25		%	9.36		%	10.21		%	10.21		%	10.14		%
Tier 1 capital ratio					11.62		%	10.35		%	11.26		%	11.26		%	11.19		%
Total capital ratio					13.83		%	12.56		%	13.21		%	13.26		%	13.25		%
Tier 1 leverage ratio					9.08		%	8.50		%	8.83		%	8.57		%	8.49		%
Selected Equity and Performance Ratios
Total stockholders’ equity / assets					11.34		%	11.18		%	12.11		%	12.03		%	11.73		%
Dividend payout ratio(b)	29.75	%	34.00	%	19.15		%	66.67		%	41.86		%	34.00		%	34.69		%
Return on average assets(c)	1.16	%	1.03	%	1.72		%	0.57		%	0.89		%	1.00		%	1.02		%
Noninterest expense / average assets(c)	2.24	%	2.35	%	2.12		%	2.37		%	2.51		%	2.40		%	2.37		%

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

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

(c) Annualized.

See Part II, Item 2, Unregistered Sales of Equity Securities and Use of Proceeds, for information on the shares repurchased during the second quarter of 2020, which consisted entirely of repurchases related to tax withholding on equity compensation with no open market purchases due to the suspension of the share repurchase program on March 13, 2020.

During the second quarter of 2020, the Corporation completed the issuance of 4.0 million depositary shares each representing a 1/40th interest in a share of 5.625% Non-Cumulative Perpetual Preferred Stock, Series F, for net proceeds of approximately $97 million.

In February 2019, the federal bank regulatory agencies issued a final rule (the "2019 CECL Rule") that revised certain capital regulations to account for changes to credit loss accounting under GAAP. The rule included a transition option that allows banking organizations to phase in, over a three-year period, the day-one impact of CECL adoption on regulatory capital ratios. In March 2020, the federal bank regulatory agencies issued an interim final rule that maintains the three-year transition option of the 2019 CECL Rule and also provides an option to delay for two years an estimate of the effect of CECL on regulatory capital, relative to the incurred loss methodology's effect on regulatory capital, followed by a three- year transition period. The Corporation has elected to utilize the CECL Transition Provision granted by the banking regulators. Under these provisions, the Day 1 capital impact relating to the adoption of ASU 2016-13 and 25% of the difference between the period end ACL and the Day 1 ACL will be 100% deferred for 2 years, and then phased in over the next 3 years. At June 30, 2020, the Corporation had a modified CECL transitional amount of $117 million.


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Non-GAAP Measures

Table 26 Non-GAAP Measures

	YTD						Quarter Ended
($ in Thousands)	June 30, 2020			June 30, 2019			June 30, 2020			March 31, 2020			December 31, 2019			September 30, 2019			June 30, 2019
Selected Equity and Performance Ratios(a)(b)
Tangible common equity / tangible assets							7.25		%	6.90		%	7.71		%	7.65		%	7.42		%
Return on average equity	10.18		%	9.01		%	15.55		%	4.80		%	7.31		%	8.47		%	8.81		%
Return on average tangible common equity	16.32		%	14.16		%	25.45		%	7.31		%	11.33		%	13.27		%	13.81		%
Return on average common equity Tier 1	15.24		%	13.33		%	23.71		%	6.84		%	10.94		%	12.78		%	13.09		%
Return on average tangible assets	1.21		%	1.07		%	1.78		%	0.59		%	0.93		%	1.04		%	1.05		%
Average stockholders' equity / average assets	11.40		%	11.47		%	11.04		%	11.79		%	12.16		%	11.77		%	11.52		%
Tangible Common Equity Reconciliation(a)
Common equity							$	3,670,612		$	3,533,755		$	3,665,407		$	3,664,139		$	3,643,077
Goodwill and other intangible assets, net							(1,180,661)			(1,284,111)			(1,264,531)			(1,267,319)			(1,269,935)
Tangible common equity							$	2,489,951		$	2,249,644		$	2,400,876		$	2,396,820		$	2,373,142
Tangible Assets Reconciliation(a)
Total assets							$	35,501,464		$	33,908,056		$	32,386,478		$	32,596,460		$	33,246,869
Goodwill and other intangible assets, net							(1,180,661)			(1,284,111)			(1,264,531)			(1,267,319)			(1,269,935)
Tangible assets							$	34,320,803		$	32,623,944		$	31,121,947		$	31,329,141		$	31,976,934
Average Tangible Common Equity and Average Common Equity Tier 1 Reconciliation(a)(b)
Common equity	$	3,575,688		$	3,577,400		$	3,566,293		$	3,585,083		$	3,657,823		$	3,646,758		$	3,596,178
Goodwill and other intangible assets, net	(1,276,675)			(1,245,617)			(1,281,176)			(1,272,175)			(1,266,117)			(1,268,960)			(1,247,209)
Tangible common equity	2,299,013			2,331,783			2,285,117			2,312,908			2,391,706			2,377,798			2,348,969
Modified CECL transitional amount	108,505			N/A			115,272			101,340			N/A			N/A			N/A
Accumulated other comprehensive loss (income)	9,030			98,862			7,663			10,398			36,810			42,224			82,142
Deferred tax assets (liabilities), net	45,553			45,666			44,777			46,635			47,774			48,772			46,195
Average common equity Tier 1	$	2,462,101		$	2,476,311		$	2,452,829		$	2,471,281		$	2,476,290		$	2,468,794		$	2,477,306
Average Tangible Assets Reconciliation(a)
Total assets	$	33,711,474		$	33,427,331		$	34,845,943		$	32,577,005		$	32,182,183		$	33,154,000		$	33,438,818
Goodwill and other intangible assets, net	(1,276,675)			(1,245,617)			(1,281,176)			(1,272,175)			(1,266,117)			(1,268,960)			(1,247,209)
Tangible assets	$	32,434,799		$	32,181,714		$	33,564,768		$	31,304,829		$	30,916,066		$	31,885,039		$	32,191,609
Pre-Tax Pre-Provision Income(c)
Income before income taxes	$	256,012		$	212,756		$	199,955		$	56,056		$	89,467		$	104,286		$	103,678
Provision for credit losses	114,001			14,000			61,000			53,001			—			2,000			8,000
Pre-tax pre-provision income	$	370,012		$	226,756		$	260,955		$	109,057		$	89,467		$	106,286		$	111,678
Efficiency Ratio Reconciliation(d)
Federal Reserve efficiency ratio	54.26		%	63.01		%	43.49		%	70.37		%	69.14		%	66.55		%	62.71		%
Fully tax-equivalent adjustment	(0.59)		%	(0.81)		%	(0.39)		%	(0.96)		%	(0.91)		%	(0.90)		%	(0.84)		%
Other intangible amortization	(0.77)		%	(0.74)		%	(0.65)		%	(0.95)		%	(0.93)		%	(0.89)		%	(0.75)		%
Fully tax-equivalent efficiency ratio	52.91		%	61.48		%	42.46		%	68.47		%	67.32		%	64.78		%	61.13		%
Acquisition related costs adjustment(e)	(0.30)		%	(0.71)		%	(0.12)		%	(0.58)		%	(0.45)		%	(0.53)		%	(1.21)		%
Provision for unfunded commitments adjustment	(3.22)		%	0.40		%	(1.91)		%	(5.18)		%	0.34		%	(0.33)		%	1.28		%
Asset gains (losses), net adjustment	13.23		%	0.14		%	22.10		%	(0.02)		%	0.09		%	0.18		%	0.17		%
Adjusted efficiency ratio	62.62		%	61.31		%	62.53		%	62.70		%	67.30		%	64.11		%	61.36		%

(a) The ratio tangible common equity to tangible assets excludes goodwill and other intangible assets, net. This financial measure has been included as it is considered to be a critical metric with which to analyze and evaluate financial condition and capital strength.

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

(c) Management believes these measures are meaningful because they reflect adjustments commonly made by management, investors, regulators, and analysts to evaluate the adequacy of earnings per common share and provide greater understanding of ongoing operations and enhanced comparability of results with prior periods.

(d) The efficiency ratio as defined by the Federal Reserve guidance is noninterest expense (which includes the provision for unfunded commitments) divided by the sum of net interest income plus noninterest income, excluding investment securities gains / losses, net. The fully tax-equivalent efficiency ratio is noninterest expense (which includes the provision for unfunded commitments), excluding other intangible amortization, divided by the sum of fully tax-equivalent net interest income plus noninterest income, excluding investment securities gains / losses, net. The adjusted efficiency ratio is noninterest expense, which excludes the provision for unfunded commitments, other intangible amortization, and acquisition related costs, divided by the sum of fully tax-equivalent net interest income plus noninterest income, excluding investment securities gains / losses, net, acquisition related costs, and asset gains (losses), net. Management believes the adjusted efficiency ratio is a meaningful measure as it enhances the comparability of net interest income arising from taxable and tax-exempt sources and provides a better measure as to how the Corporation is managing its expenses by adjusting for acquisition related costs, provision for unfunded commitments, and asset gains (losses), net.

(e) 2020 periods include First Staunton acquisition related costs, while 2019 periods include Huntington branch and First Staunton acquisition related costs.

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Sequential Quarter Results

The Corporation reported net income of $149 million for the second quarter of 2020, compared to net income of $46 million for the first quarter of 2020. Net income available to common equity was $145 million for the second quarter of 2020, or $0.94 for both basic and diluted earnings per common share. Comparatively, net income available to common equity for the first quarter of 2020 was $42 million, or $0.27 for both basic and diluted earnings per common share (see Table 1).

Fully tax-equivalent net interest income for the second quarter of 2020 was $194 million, $13 million, or 6%, lower than the first quarter of 2020. The net interest margin in the second quarter of 2020 was down 35 bp to 2.49%. Average earning assets increased $2.0 billion, or 7%, to $31.3 billion in the second quarter of 2020 primarily driven by the origination of PPP loans beginning in April 2020. In addition, excess funds invested at the Federal Reserve Bank contributed to the higher earning assets and negatively impacted margin. On the funding side, average interest-bearing deposits were up $432 million, or 2% and noninterest bearing deposits were up $1.4 billion, or 26%, due to customers holding proceeds from PPP loans and other government stimulus programs in their deposit accounts. In addition, PPPLF borrowings increased $775 million while FHLB Advances decreased $421 million, or 13% (see Table 2).

The provision for credit losses was $61 million for the second quarter of 2020, compared to $53 million in the first quarter of 2020 (see Table 17). See discussion under sections: Provision for Credit Losses, Nonperforming Assets, and Allowance for Credit Losses on Loans.

Noninterest income for the second quarter of 2020 increased $156 million from the first quarter of 2020, primarily due to a $163 million gain on sale of ABRC (see Table 3).

Noninterest expense decreased $9 million, or 5%, to $183 million, primarily driven by decreases of $3 million in personnel expense and $2 million in both occupancy and business development and advertising expense (see Table 4).

For the second quarter of 2020, the Corporation recognized income tax expense of $51 million, compared to income tax expense of $10 million for the first quarter of 2020. The effective tax rate was 25.62% and 18.23% for the second quarter of 2020 and the first quarter of 2020, respectively. The higher tax rate and income tax expense during the second quarter of 2020 was primarily driven by the gain on sale of ABRC, partially offset by tax planning strategies which allowed for the recognition of $55 million of built in capital losses. See Income Taxes section for a detailed discussion on income taxes.

Comparable Quarter Results

The Corporation reported net income of $149 million for the second quarter of 2020, compared to $85 million for the second quarter of 2019. Net income available to common equity was $145 million for the second quarter of 2020, or $0.94 for both basic and diluted earnings per common share. Comparatively, net income available to common equity for the second quarter of 2019 was $81 million, or $0.49 for both basic and diluted earnings per common share (see Table 1).

Fully tax-equivalent net interest income for the second quarter of 2020 was $194 million, $24 million, or 11%, lower than the second quarter of 2019. The net interest margin between the comparable quarters was down 39 bp, to 2.49% in the second quarter of 2020. The decrease in net interest income and net interest margin was due to a lower interest rate environment and low yielding PPP loans coming on the balance sheet during the second quarter of 2020. Average earning assets increased $959 million, or 3%, to $31.3 billion in the second quarter of 2020 as the Corporation added PPP loans during the second quarter of 2020. On the funding side, average interest-bearing deposits decreased $775 million, or 4%, from the second quarter of 2019, due to decreases in higher cost deposits. Average noninterest-bearing deposits increased $1.8 billion, or 36% to $6.9 billion. Average short and long-term funding increased $262 million, or 6%, partially due to an increase in PPPLF borrowings with decreases in both FHLB Advances and long-term funding (see Table 2).

The provision for credit losses was $61 million for the second quarter of 2020, compared to $8 million for the second quarter of 2019 (see Table 17). See discussion under sections: Provision for Credit Losses, Nonperforming Assets, and Allowance for Credit Losses on Loans.

Noninterest income for the second quarter of 2020 was $254 million, up $159 million compared to the second quarter of 2019, primarily due to the gain on sale of ABRC of $163 million (see Table 3).

Noninterest expense decreased $14 million, or 7%, to $183 million for the second quarter of 2020, primarily due to a $12 million decrease in personnel expense primarily related to a decrease in the funding for the management incentive plan (see Table 4).

The Corporation recognized income tax expense of $51 million for the second quarter of 2020, compared to income tax expense of $19 million for the second quarter of 2019. The effective tax rate was 25.62% and 18.34% for the second quarters of 2020

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and 2019, respectively. The increase in income taxes and income tax expense was primarily due to the gain on sale of ABRC, partially offset by tax planning strategies which allowed for the recognition of $55 million of built in capital losses. See section Income Taxes for a detailed discussion on income taxes.

Segment Review

As discussed in Note 15 Segment Reporting of the notes to consolidated financial statements, the Corporation’s reportable segments have been determined based upon its internal profitability reporting system, which is organized by strategic business unit. Certain strategic business units have been combined for segment information reporting purposes where the nature of the products and services, the type of customer, and the distribution of those products and services are similar. The reportable segments are Corporate and Commercial Specialty; Community, Consumer and Business; and Risk Management and Shared Services.

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Table 27 Selected Segment Financial Data

	Three Months Ended June 30,								Six Months Ended June 30,
($ in Thousands)	2020			2019			% Change		2020			2019			% Change
Corporate and Commercial Specialty
Total revenue	$	136,405		$	132,174		3	%	$	267,845		$	257,695		4	%
Credit provision	13,713			12,585			9	%	25,885			25,169			3	%
Noninterest expense	50,837			56,450			(10)	%	102,098			111,383			(8)	%
Income tax expense (benefit)	13,446			12,244			10	%	26,117			23,411			12	%
Average earning assets	14,578,339			12,898,766			13	%	13,785,918			12,750,792			8	%
Average loans	14,641,074			12,956,597			13	%	13,843,352			12,803,409			8	%
Average deposits	9,499,973			10,149,353			(6)	%	9,263,979			9,902,315			(6)	%
Average allocated capital (Average CET1)(a)	1,438,498			1,284,224			12	%	1,379,243			1,265,445			9	%
Return on average allocated capital (ROCET1)(a)	16.33		%	15.90		%	43 bp		16.58		%	15.57		%	101 bp
Community, Consumer, and Business
Total revenue	$	146,017		$	161,940		(10)	%	$	297,279		$	320,648		(7)	%
Credit provision	5,429			4,626			17	%	10,537			9,311			13	%
Noninterest expense	122,290			119,694			2	%	238,721			232,612			3	%
Income tax expense (benefit)	3,843			7,900			(51)	%	10,084			16,532			(39)	%
Average earning assets	9,694,984			9,264,422			5	%	9,542,628			9,263,285			3	%
Average loans	9,629,146			9,195,385			5	%	9,479,247			9,198,891			3	%
Average deposits	14,983,891			12,608,304			19	%	14,337,654			12,454,015			15	%
Average allocated capital (Average CET1)(a)	581,972			555,015			5	%	569,982			555,696			3	%
Return on average allocated capital (ROCET1)(a)	9.99		%	21.48		%	N/M		13.38		%	22.57		%	N/M
Risk Management and Shared Services
Total revenue(c)	$	161,941		$	15,343		N/M		$	180,486		$	37,863		N/M
Credit provision	41,858			(9,211)			N/M		77,579			(20,480)			N/M
Noninterest expense(b)	10,280			21,634			(52)	%	34,779			45,456			(23)	%
Income tax expense (benefit)	33,950			(1,127)			N/M		25,255			1,466			N/M
Average earning assets	6,985,964			8,137,518			(14)	%	6,909,444			8,333,605			(17)	%
Average loans	920,586			1,202,390			(23)	%	927,113			1,227,336			(24)	%
Average deposits	1,659,322			2,323,853			(29)	%	1,615,934			2,463,980			(34)	%
Average allocated capital (Average CET1)(a)	432,405			638,067			(32)	%	512,875			655,170			(22)	%
Return on average allocated capital (ROCET1)(a)	66.70		%	0.15		%	N/M		16.81		%	1.18		%	N/M
Consolidated Total
Total revenue(c)	$	444,362		$	309,457		44	%	$	745,610		$	616,206		21	%
Return on average allocated capital (ROCET1)(a)	23.71		%	13.09		%	N/M		15.24		%	13.33		%	191 bp

N/M = Not meaningful

(a) The Federal Reserve establishes capital adequacy requirements for the Corporation, including common equity Tier 1. For segment reporting purposes, the return on common equity Tier 1 ("ROCET1") reflects return on average allocated common equity Tier 1. The ROCET1 for the Risk Management and Shared Services segment and the Consolidated Total is inclusive of the annualized effect of the preferred stock dividends. Please refer to Table 26 for a reconciliation of non-GAAP financial measures to GAAP financial measures.

(b) For the three months ended June 30, 2020 and 2019, the Risk Management and Shared Services segment included less than $1 million and approximately $4 million respectively, of acquisition related noninterest expense. For the six months ended June 30, 2020 and 2019, the Risk Management and Shared Services segment included approximately $2 million and $4 million respectively, of acquisition related noninterest expense.

(c) For both the three and six months ended June 30, 2020, the Corporation recognized a $163 million asset gain related to the sale of ABRC.

Notable Changes in Segment Financial Data

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

•Revenue increased $4 million, or 3%, from the three months ended June 30, 2019, and increased $10 million, or 4%, from the first six months of 2019. The increase from the six months ended 2019 was primarily driven by a $6 million increase in capital market fees.

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•Noninterest expense decreased $6 million, or 10%, from the three months ended June 30, 2019, and decreased $9 million, or 8%, from the first six months of 2019. The decrease from the first six months of 2019 was mainly driven by a $10 million decrease in personnel expense related to a decrease in the funding for the management incentive plan.

•Average loans increased $1.7 billion, or 13%, from the three months ended June 30, 2019, and increased $1.0 billion, or 8%, from the first six months of 2019, primarily driven by PPP loans and increased commercial line draws.

The Community, Consumer, and Business segment consists of lending, deposit solutions, and historically offered ancillary financial services, primarily insurance and risk consulting, to individuals and small to mid-sized businesses.

•Revenue decreased $16 million, or 10%, from the three months ended June 30, 2019, and decreased $23 million, or 7%, from the first six months of 2019. The decrease from the six months ended 2019 was primarily due to a decrease in segment net interest income of $19 million along with a $5 million decrease in service charges and deposit account fees.

•Average deposits increased $2.4 billion, or 19%, from the three months ended June 30, 2019, and increased $1.9 billion, or 15%, from the first six months of 2019, primarily driven by customers holding proceeds from PPP loans and other government stimulus money in their deposit accounts.

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

•Revenues increased $147 million from the three months ended June 30, 2019, and increased $143 million from the first six months of 2019, primarily driven by an increase in noninterest income due to the $163 million asset gain on sale of ABRC.

•Noninterest expenses decreased $11 million, or 52% from the three months ended June 30, 2019, and decreased $11 million, or 23%, from the first six months of 2019. The decrease from the first six months of 2019 was mainly driven by a $9 million decrease in personnel expense related to a decrease in the funding for the management incentive plan.

•Credit provision increased $51 million from the three months ended June 30, 2019, and increased $98 million from the first six months of 2019, as a result of the expected impact of the COVID-19 pandemic within the economic models used in the new expected credit loss methodology.

•Average deposits decreased $665 million, or 29%, from the three months ended June 30, 2019, and decreased $848 million, or 34%, from the first six months of 2019, primarily driven by decreases in money market and time deposit accounts.

Critical Accounting Policies

In preparing the consolidated financial statements, management is required to make estimates and assumptions that affect the reported amounts of assets and liabilities as of the date of the balance sheet and revenues and expenses for the period. Actual results could differ significantly from those estimates. Estimates that are particularly susceptible to significant change include the determination of the ACLL, goodwill impairment assessment, MSRs valuation, and income taxes. A discussion of these policies can be found in the Critical Accounting Policies section in Management's Discussion and Analysis of Financial Condition and Results of Operations included in the Corporation’s 2019 Annual Report on Form 10-K. There has been one change in the Corporation's application of critical accounting policies since December 31, 2019 driven by the adoption of ASU 2016-13.

Allowance for Credit Losses on Loans: Management’s evaluation process used to determine the appropriateness of the ACLL is subject to the use of estimates, assumptions, and judgments. The evaluation process combines many factors: management’s ongoing review and grading of the loan portfolio using a dual risk rating system leveraging probability of default and loss given default, consideration of historical loan loss and delinquency experience, trends in past due and nonaccrual loans, risk characteristics of the various classifications of loans, concentrations of loans to specific borrowers or industries, existing economic conditions and forecasts, the fair value of underlying collateral, and other qualitative and quantitative factors which could affect future credit losses. Because current economic conditions and forecasts can change and future events are inherently difficult to predict, the anticipated amount of estimated credit losses on loans, and therefore the appropriateness of the ACLL, could change significantly. The Corporation uses Moody's baseline economic forecast within its model. As an integral part of their examination process, various regulatory agencies also review the ACLL. Such agencies may require additions to the ACLL or may require that certain loan balances be charged off or downgraded into criticized loan categories when their credit evaluations differ from those of management, based on their judgments about information available to them at

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the time of their examination. The Corporation believes the level of the ACLL is appropriate. See Note 3 Summary of Significant Accounting Policies and Note 7 Loans of the notes to consolidated financial statements as well as the Allowance for Credit Losses section.

Recent Developments

On July 25, 2020, the Federal Reserve provided additional guidance under SR 09-4, Applying Supervisory Guidance and Regulations on the Payment of Dividends, Stock Redemptions, and Stock Repurchases at Bank Holding Companies. We do not expect this additional guidance will limit our ability to pay dividends on our common stock at the current level.

On July 27, 2020, the Corporation’s Board of Directors declared a regular quarterly cash dividend of $0.18 per common share, payable on September 15, 2020 to shareholders of record at the close of business on September 1, 2020. The Board of Directors also declared a regular quarterly cash dividend of $0.3828125 per depositary share on Associated's 6.125% Series C Perpetual Preferred Stock, payable on September 15, 2020 to shareholders of record at the close of business on September 1, 2020. The Board of Directors also declared a regular quarterly cash dividend of $0.3359375 per depositary share on Associated's 5.375% Series D Perpetual Preferred Stock, payable on September 15, 2020 to shareholders of record at the close of business on September 1, 2020. The Board of Directors also declared a regular quarterly cash dividend of $0.3671875 per depositary share on Associated's 5.875% Series E Perpetual Preferred Stock, payable on September 15, 2020 to shareholders of record at the close of business on September 1, 2020. The Board of Directors also declared a regular quarterly cash dividend of $0.3515625 per depositary share on Associated's 5.625% Series F Perpetual Preferred Stock, payable on September 15, 2020 to shareholders of record at the close of business on September 1, 2020.

ITEM 3.     Quantitative and Qualitative Disclosures About Market Risk

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

ITEM 4.     Controls and Procedures

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

As of June 30, 2020, the Corporation’s management carried out an evaluation, under the supervision and with the participation of the Corporation’s Chief Executive Officer and Chief Financial Officer, of the effectiveness of its disclosure controls and procedures. Based on the foregoing, its Chief Executive Officer and Chief Financial Officer concluded that the Corporation’s disclosure controls and procedures were effective as of June 30, 2020.

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

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PART II - OTHER INFORMATION

ITEM 1. Legal Proceedings

The information required by this item is set forth in Part I, Item 1 under Note 12 Commitments, Off-Balance Sheet Arrangements, Legal Proceedings and Regulatory Matters of the notes to consolidated financial statements.

ITEM 1A. Risk Factors

The following risk factors supplement the Risk Factors described in the Corporation’s 2019 Annual Report on Form 10-K and should be read in conjunction therewith.

The coronavirus disease (COVID-19) pandemic has resulted in significant deterioration and disruption in national and local economic conditions and record levels of unemployment, which may have a material impact on our business, financial condition or results of operations. The COVID-19 pandemic is creating extensive disruptions to the global economy, to businesses, and to the lives of individuals throughout the world. Federal and state governments are taking unprecedented actions to contain the spread of the disease, including quarantines, travel bans, shelter-in-place orders, closures of businesses and schools, fiscal stimulus, and legislation designed to deliver monetary aid and other relief. Although in various locations some of the activity restrictions listed above have been relaxed with progressive success, in many geographies the number of individuals diagnosed with COVID-19 has significantly increased causing a freezing or even reversal of the relaxation of activity restrictions. The cessation of stay-at-home orders in Wisconsin, Illinois, and Minnesota, and the relaxation of various activity restrictions, has caused a heightened resurgence of COVID-19 in these geographies. This resurgence has heightened pressure on state officials to reverse the relaxation of activity restrictions, which causes further uncertain economic conditions and could lead again to a shutdown of businesses and operations.

The uncertain economic conditions and various activity restrictions due to COVID-19 have resulted in an extremely challenging operating environment for many businesses, and the complete shutdown of others, as well as record levels of unemployment. The national unemployment rate was 11.1% as of June 2020, which while down from 14.7% in April 2020, remains significantly higher than the pre-pandemic 3.6% in January 2020. Further, the Federal Pandemic Unemployment Compensation, which under Section 2104 of the CARES Act allows for additional payments to covered individuals of up to $600 per week, is set to end July 31, 2020 and it is uncertain whether and to what extent the benefit will be renewed by Congress.

The COVID-19 pandemic is rapidly evolving and the ultimate impact will depend on future developments, which are highly uncertain and cannot be predicted, including the scope and duration of the pandemic and actions taken currently or in the future by governmental authorities in response to the pandemic. And while there have been trillions of dollars in economic stimulus packages initiated by the Federal Reserve and the federal government, including the $2 trillion CARES Act, as expanded by the Paycheck Protection Program and Health Care Enhancement Act, in an effort to counteract the significant economic disruption from COVID-19, there can be no assurance that these packages are sufficient, or have worked quickly enough, to stimulate the economy, and additional governmental stimulus may be needed. Accordingly, the Corporation will be operating under uncertain economic conditions for a lengthy period of time.

Additionally the COVID-19 pandemic has significantly affected the financial markets and has resulted in a number of Federal Reserve actions. Market interest rates have declined significantly. In March 2020, the Federal Reserve reduced the target federal funds rate to a range of 0.00% to 0.25%, the lowest since the 2008 economic crisis, and announced a $700 billion quantitative easing program in response to the expected economic downturn caused by the COVID-19 pandemic. At its June 2020 meeting, the Federal Reserve continued its commitment to these policies, indicating that the target federal funds rate would remain until the economy had weathered recent events and was on track to achieve FOMC maximum-employment and price stability goals and that the FOMC would have to maintain highly accommodative financial conditions for many years to quicken meaningfully the recovery from the current severe downturn. In addition, the Federal Reserve reduced the interest that it pays on excess reserves. These reductions in interest rates, especially if prolonged, could adversely affect our net interest income, net interest spread and net interest margin. Further, the overall impact of COVID-19 on the financial markets could result in a significant decline in the market value of the Corporation's common stock, which may cause us to perform a goodwill impairment test in between annual tests. If that impairment test indicates that the fair value of any of our reporting units is less than its carrying amount, we may be required to record a goodwill impairment charge, which could adversely affect our results of operations. The full impact of the COVID-19 pandemic on our business activities as a result of new government and regulatory policies, programs and guidelines, as well as market reactions to such activities, remains uncertain.

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Because there have been no comparable recent global pandemics that resulted in a similar global impact, we do not yet know the full extent of COVID-19's effects on our business, operations, or the global economy as a whole. Any future development will be highly uncertain and cannot be predicted, including the scope and duration of the pandemic, the effectiveness of our remote working arrangements, third party providers' ability to support our operations, and any action taken by governmental authorities and other third parties in response to the pandemic. The uncertain future development of this crisis could materially and adversely affect our business, operations, operating results, financial condition, liquidity or capital levels.

Regulatory and governmental actions to mitigate the impact of COVID-19 on borrowers, including required loan forbearances and restrictions on evictions, could result in a material decline in our earnings. There have been a number of recent bank regulatory actions and legislative changes intended to help mitigate the adverse economic impact of COVID-19 on borrowers, including mandates requiring financial institutions to work constructively with borrowers affected by COVID-19. In addition, the governors of many states in which we do business or in which our borrowers and loan collateral are located have issued temporary bans on evictions and foreclosures. Although Wisconsin and Minnesota's temporary ban on all residential and commercial evictions and foreclosures have expired, Illinois has extended its ban through August 22, 2020, and many localities have taken independent regulatory action. In addition, we have implemented the following programs to assist our borrowers and other customers in mitigating the impact of COVID-19: consumer and commercial loan and credit card deferral programs, suspension of certain transaction and late fees, and the suspension of foreclosures and repossessions.

At the federal level, Section 4022 of the CARES Act allows, until the earlier of December 31, 2020 or the date the national emergency declared by the President terminates, borrowers with federally-backed one-to-four family mortgage loans experiencing a financial hardship due to COVID-19 to request forbearance, regardless of delinquency status, for up to 360 days. Section 4022 also prohibits servicers of federally-backed mortgage loans from initiating foreclosures during the 60-day period beginning March 18, 2020. In addition, under Section 4023 of the CARES Act, until the earlier of December 31, 2020 and the date the national emergency declared by the President terminates, borrowers with federally-backed multifamily mortgage loans whose payments were current as of February 1, 2020, but who have since experienced financial hardship due to COVID-19, may request a forbearance for up to 90 days. Borrowers receiving such forbearance may not evict or charge late fees to tenants for its duration. These regulatory and legislative actions may be expanded, extended and amended as the pandemic and its economic impact develop.

As a result of the forbearance and mitigation programs described above, we have experienced a significant decline in borrower loan payments, which may continue into the future and have a material impact on our earnings.

We expect our loan portfolios to be significantly affected by the response to COVID-19 and our allowance for credit losses on loans may not be sufficient to cover losses in our portfolios. The economic shutdown in response to COVID-19 may result in a significant increase in delinquencies across all of our loan portfolios, particularly our commercial loan portfolio as activity and travel restrictions have caused many businesses to close, either temporarily or permanently, or substantially reduce operations, which will adversely affect the ability of our borrowers to repay their loans. In particular, our commercial loan portfolio includes $2.2 billion, representing 9% of total loans, to borrowers in key industries which may see elevated risk as a result of the current economic dynamics. These key exposures include: $1.2 billion of loans to retailers and shopping centers, $432 million to oil & gas producers, $225 million of loans to borrowers in the hotel industry, $120 million to restaurant related borrowers, and approximately $256 million across various exposures, which have been significantly impacted by the activity and travel restrictions. The elevated unemployment rate will continue to have a significant adverse impact on the ability of our residential and multi-family borrowers to repay their loans.

As a result of our evaluation of the current and expected impacts of COVID-19 on our loan portfolios, we believe that our loan losses and delinquencies will significantly exceed what we anticipated when our ACLL was established at the end of 2019. As a result, we have increased our ACLL by $205 million to $429 million for the first six months of 2020, compared to $223 million at the end of 2019. As the economic impact due to COVID-19 has been experienced in recent weeks and there are no assurances as to how long it will be before the COVID-19 pandemic abates and economic activity can begin to resume to pre-COVID-19 pandemic levels, there is no assurance that we will not need to significantly add to our loan loss reserves in future periods.

Current and future restrictions on our workforce's access to our facilities could limit our ability to meet customer servicing expectations and have a material adverse effect on our operations. In response to COVID-19, we have modified our business practices with a portion of our employees working remotely from their homes to have our operations uninterrupted as much as possible. We also have contingency plans in place to ensure continuity of management and operations in the event that members of our senior management or employees become ill due to COVID-19. However, notwithstanding the protective measures and plans we have in place, our employees and their families may still be affected by COVID-19. If a significant number of our employees or if key individuals become unable to work or to perform their jobs properly due to COVID-19, our ability to conduct our business could be negatively impacted. In addition, we rely on third party vendors to provide key components of our business infrastructure. If any of these third party vendors experience significant disruption as a result of

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COVID-19, they may not be able to provide their services properly or in a timely manner, which could also adversely affect our ability to conduct our business. Further, technology in employees' homes may not be as robust as in our offices and could cause the networks, information systems, applications, and other tools available to employees to be more limited or less reliable than in our offices. The continuation of these work-from-home measures also introduces additional operation risk, including increased cybersecurity risk. These cyber risks include greater phishing, malware, and other cybersecurity attacks, vulnerability to disruptions of our information technology infrastructure and telecommunications systems for remote operations, increased risk of unauthorized dissemination of confidential information, limited ability to restore the systems in the event of a systems failure or interruption, greater risk of a security breach resulting in destruction or misuse of valuable information, and potential impairment of our ability to perform critical functions, including wiring funds, all of which could expose us to risks of data or financial loss, litigation and liability and could seriously disrupt our operations and the operations of any impacted customers.

We have originated a significant number of loans under the SBA’s Paycheck Protection Program, which may result in a large number of such loans remaining on our consolidated balance sheets at a very low yield for an extended period of time. We are a significant participant as a lender under the SBA’s PPP established under the CARES Act. The PPP authorizes financial institutions to make federally-guaranteed loans to qualifying small businesses and non-profit organizations. These loans carry an interest rate of 1% per annum and a maturity of 2 years for loans originated prior to June 5, 2020 and 5 years for loans originated on or after June 5th. The PPP provides that such loans may be forgiven if the borrowers meet certain requirements with respect to maintaining employee headcount and payroll and the use of the loan proceeds after the loan is originated. If not forgiven, these loans will be guaranteed by the SBA under the SBA’s section 7(a) program. As of August 2, 2020, we had PPP loans with outstanding balances of $1.0 billion. In light of the speed at which the PPP was implemented, particularly due to the “first come first served” nature of the program, the loans originated under this program may present potential fraud risk, increasing the risk that loan forgiveness may not be obtained by the borrowers and that the guaranty may not be honored. In addition, there is risk that the borrowers may not qualify for the loan forgiveness feature due to the conduct of the borrower after the loan is originated. These factors may result in us having to hold a significant amount of these low-yield loans on our books for a significant period of time. Additionally, the PPP loans are not secured by an interest in a borrower's assets or otherwise backed by personal guarantees. We will continue to face increased operational demands and pressures as we monitor and service our book of PPP loans, process applications for loan forgiveness and pursue recourse under the SBA guarantees and against borrowers for PPP loan defaults.

The OCC has also recently issued guidance encouraging banks to follow prudent banking practices consistent with safety and soundness principles in making PPP loans, including by thoroughly documenting the bank's decisions when setting eligibility criteria, establishing a process for considering applications and approving or denying PPP loan applications, as well as identifying and tracking PPP loan volumes. The guidance also states that, in exercising supervisory and enforcement responsibilities in this area, the OCC will take into account the unique circumstances resulting from the national emergency and good faith efforts to comply with applicable legal requirements. Thus, while the PPP guidelines provide that lenders may rely on borrower representations and certifications regarding eligibility with respect to PPP loans and do not need to verify information provided, the OCC guidance makes clear that banks are still expected to prudently underwrite, document and track PPP loans in a manner consistent with safe and sound banking practices and could face supervisory or enforcement risks in failing to do so. As a result of participation in the PPP, we may be subject to litigation and claims by borrowers under the PPP loans that we have made, as well as investigation and scrutiny by our regulators, Congress, the SBA, the U.S. Treasury Department and other government agencies.

Regardless of whether these claims and investigations are founded or unfounded, if such claims and investigations are not resolved in a timely manner favorable to us, they may result in significant costs and liabilities (including increased legal and professional services costs) and/or adversely affect the market perception of us and our products and services.

Also, we have registered as a lender in the MSLP, which is a program among the many financing and liquidity programs that the Federal Reserve, on its own and in cooperation with the Department of the Treasury, has established. The MSLP is intended to keep credit flowing to small and mid-sized businesses that were in sound financial condition before the coronavirus pandemic but now need financing to maintain operations. MSLP lenders retain 5% of such loans, with the remaining 95% being participated to a special purpose vehicle established for the program. The interest rate on MSLP loans currently is one- or three-month LIBOR plus 3%. Although the MSLP provides for deferral of interest and principal payments, unlike the PPP it does not provide loan forgiveness or any other government guaranty on the 5% retention amount. Participation in the MSLP may also present credit and other operational risks that cannot currently be estimated.

Risks Related to Oil and Gas Industry

We may be adversely affected by declines in oil prices. Ongoing volatility in the oil and gas markets has compressed margins for many U.S.-based oil producers and others in the oil and gas industry. Our oil and gas portfolio is comprised of 35 credits made to small and mid-sized companies. These borrowers are likely to be adversely affected by price volatility or a downturn in oil and gas prices. During the first quarter of 2020, there was a drastic decrease in crude oil prices as a result of the reported

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dispute between Russia and Saudi Arabia regarding oil production levels, which could result in a material adverse impact on such borrowers. As of June 30, 2020, our oil and gas loan exposure was $609 million of commitments with $432 million outstanding, representing less than 2% of our loan portfolio. The ACLL related to this portfolio was 19.4% at June 30, 2020, compared to 16.6% at March 31, 2020. A significant deterioration in our oil and gas loans could cause a significant increase in nonaccrual loans. An increase in nonaccrual loans could result in a loss of interest income from these loans, one or more additional increases in the provision for credit losses, and an increase in loan charge offs, all of which could have a material adverse effect on our financial condition and results of operations.

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

During the second quarter of 2020, the Corporation repurchased approximately $50,000 of common stock, consisting entirely of repurchases related to tax withholding on equity compensation with no open market purchases due to the suspension of the share repurchase program. The repurchase details are presented in the table below:

Common Stock Purchases

	Total Number  of Shares Purchased(a)	Average Price Paid per Share		Total Number of Shares Purchased as Part of Publicly Announced Plans or Programs	Maximum Number of Shares that May Yet Be Purchased Under the Plans or Programs(b)
Period
April 1, 2020 - April 30, 2020	2,248	$	13.11	—	—
May 1, 2020 - May 31, 2020	582	14.90		—	—
June 1, 2020 - June 30, 2020	892	13.81		—	—
Total	3,722	$	13.56	—	8,231,072

(a) During the second quarter of 2020, the Corporation repurchased 3,722 common shares for minimum tax withholding settlements on equity compensation. These purchases do not count against the maximum number of shares that may yet be purchased under the Board of Directors’ authorization.

(b) On December 10, 2019, the Board of Directors authorized the repurchase of up to $150 million of the Corporation's common stock. The repurchase authorization was in addition to the previous authorized repurchases. At June 30, 2020, there remained approximately $113 million authorized to be repurchased in the aggregate. Approximately 8.2 million shares of common stock remained available to be repurchased under this Board authorization given the closing share price on June 30, 2020.

Repurchases under such authorizations are subject to any necessary regulatory approvals and other limitations and may occur from time to time in open market purchases, block transactions, private transactions, accelerated share repurchases, or similar facilities. On March 13, 2020, the Corporation suspended the share repurchase program and expects the program to remain suspended for the remainder of 2020.

Preferred Stock Purchases

During the second quarter of 2020, the Corporation did not repurchase any shares of preferred stock.

On August 28, 2015, the Board of Directors authorized the repurchase of up to $10 million of depositary shares of the Corporation's Series C Preferred Stock, of which all of such depository shares remained available to repurchase as of June 30, 2020. Using the closing stock price on June 30, 2020 of $25.50, a total of approximately 392,000 shares remained available to be repurchased under the previously approved Board authorizations.

On July 25, 2017, the Board of Directors authorized the repurchase of up to $15 million of depositary shares of the Corporation's Series D Preferred Stock, of which approximately $14 million remained available to repurchase as of June 30, 2020. Using the closing stock price on June 30, 2020 of $25.00, a total of approximately 578,000 shares remained available to be repurchased under the previously approved Board authorizations.

The repurchase of depositary shares is based on market and investment opportunities, capital levels, growth prospects, and regulatory constraints. Such repurchases may occur from time to time in open market purchases, block transactions, private transactions, accelerated share repurchase programs, or similar facilities.

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ITEM 6. Exhibits

(a)    Exhibits:

Exhibit (3.1, 4.1), Articles of Amendment to the Amended and Restated Articles of Incorporation of Associated Banc-Corp with respect to its 5.625% Non-Cumulative Perpetual Preferred Stock, Series F, dated June 10, 2020, incorporated herein by reference to Exhibit 3.1, 4.1 of the Company's Current Report on Form 8-K dated June 11, 2020.

Exhibit (4.2), Deposit Agreement, dated June 15, 2020, among Associated Banc-Corp, Equiniti Trust Company and the holders from time to time of the Depositary Receipts described therein, incorporated herein by reference to Exhibit 4.2 of the Company's Current Report on Form 8-K dated June 11, 2020.

Exhibit (4.3), Form of Depositary Receipt (included as part of Exhibit 4.2), incorporated herein by reference to Exhibit 4.3 of the Company's Current Report on Form 8-K dated June 22, 2020.

Exhibit (10.1), Associated Banc-Corp 2020 Incentive Compensation Plan, incorporated by reference to Appendix A to the Proxy Statement on Schedule 14A filed on March 13, 2020, as supplemented, in connection with the 2020 Annual Meeting of Shareholders of Associated Banc-Corp.

Exhibit (31.1), Certification Under Section 302 of Sarbanes-Oxley by Philip B. Flynn, Chief Executive Officer.

Exhibit (31.2), Certification Under Section 302 of Sarbanes-Oxley by Christopher J. Del Moral-Niles, Chief Financial Officer.

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

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

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Signatures

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

	ASSOCIATED BANC-CORP
	(Registrant)
Date: August 5, 2020	/s/ Philip B. Flynn
	Philip B. Flynn
	President and Chief Executive Officer
Date: August 5, 2020	/s/ Christopher J. Del Moral-Niles
	Christopher J. Del Moral-Niles
	Chief Financial Officer
Date: August 5, 2020	/s/ Tammy C. Stadler
	Tammy C. Stadler
	Principal Accounting Officer

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EX-31.1

Exhibit 31.1

CERTIFICATION UNDER SECTION 302 OF THE

SARBANES-OXLEY ACT OF 2002

CERTIFICATIONS

I, Philip B. Flynn, certify that:

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

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

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

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

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

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

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

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

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

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

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

Date: August 5, 2020	/s/ Philip B. Flynn
	Philip B. Flynn
	President and Chief Executive Officer

EX-31.2

Exhibit 31.2

CERTIFICATION UNDER SECTION 302 OF THE

SARBANES-OXLEY ACT OF 2002

CERTIFICATIONS

I, Christopher J. Del Moral-Niles, certify that:

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

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

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

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

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

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

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

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

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

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

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

Date: August 5, 2020	/s/ Christopher J. Del Moral-Niles
	Christopher J. Del Moral-Niles
	Chief Financial Officer

EX-32

Exhibit 32

Certification by the Chief Executive Officer and Chief Financial

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

to Section 906 of the Sarbanes-Oxley Act of 2002

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

1. The accompanying Quarterly Report of the Company on Form 10-Q for the quarter ended June 30, 2020 (the “Report”), fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

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

/s/ Philip B. Flynn

Philip B. Flynn

Chief Executive Officer

August 5, 2020

/s/ Christopher J. Del Moral-Niles

Christopher J. Del Moral-Niles

Chief Financial Officer

August 5, 2020

XML

Document and Entity Information - shares	6 Months Ended
	Jun. 30, 2020	Aug. 03, 2020
Entity Information [Line Items]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Jun. 30, 2020
Document Transition Report	false
Entity File Number	001-31343
Entity Registrant Name	Associated Banc-Corp
Entity Incorporation, State or Country Code	WI
Entity Address, Address Line One	433 Main Street
Entity Address, City or Town	Green Bay,
Entity Address, State or Province	WI
Entity Tax Identification Number	39-1098068
Entity Address, Postal Zip Code	54301
City Area Code	920
Local Phone Number	491-7500
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Emerging Growth Company	false
Entity Small Business	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		153,684,573
Entity Central Index Key	0000007789
Amendment Flag	false
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	Q2
Current Fiscal Year End Date	--12-31
The New York Stock Exchange
Entity Information [Line Items]
Title of 12(b) Security	Common stock, par value $0.01 per share
Trading Symbol	ASB
Security Exchange Name	NYSE
Series C Preferred Stock | The New York Stock Exchange
Entity Information [Line Items]
Title of 12(b) Security	Depositary Shrs, each representing 1/40th intrst in a shr of 6.125% Non-Cum. Perp Pref Stock, Srs C
Trading Symbol	ASB PrC
Security Exchange Name	NYSE
Series D Preferred Stock | The New York Stock Exchange
Entity Information [Line Items]
Title of 12(b) Security	Depositary Shrs, each representing 1/40th intrst in a shr of 5.375% Non-Cum. Perp Pref Stock, Srs D
Trading Symbol	ASB PrD
Security Exchange Name	NYSE
Series E Preferred Stock | The New York Stock Exchange
Entity Information [Line Items]
Title of 12(b) Security	Depositary Shrs, each representing 1/40th intrst in a shr of 5.875% Non-Cum. Perp Pref Stock, Srs E
Trading Symbol	ASB PrE
Security Exchange Name	NYSE
Series F Preferred Stock | The New York Stock Exchange
Entity Information [Line Items]
Title of 12(b) Security	Depositary Shrs, each representing 1/40th intrst in a shr of 5.625% Non-Cum. Perp Pref Stock, Srs F
Trading Symbol	ASB PrF
Security Exchange Name	NYSE

XML

Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Assets
Cash and due from banks	$ 443,500	$ 373,380
Interest-bearing deposits in other financial institutions	1,569,006	207,624
Federal funds sold and securities purchased under agreements to resell	185	7,740
Investment securities held to maturity, net, at amortized cost(a)	2,077,225	2,205,083
Investment securities available for sale, at fair value	3,149,773	3,262,586
Equity securities	15,091	15,090
Federal Home Loan Bank and Federal Reserve Bank stocks, at cost	206,281	227,347
Loans	24,832,671	22,821,440
Allowance for loan losses(a)	(363,803)	(201,371)
Loans, net	24,468,868	22,620,068
Bank and corporate owned life insurance	676,196	671,948
Tax credit and other investments	303,132	279,969
Premises and equipment, net	434,042	435,284
Goodwill	1,107,902	1,176,230
Mortgage servicing rights, net	49,403	67,306
Other intangible assets, net	72,759	88,301
Interest Receivable	87,097	91,196
Other assets	640,765	506,046
Total assets	35,501,464	32,386,478
Liabilities and Stockholders' Equity
Noninterest-bearing demand deposits	7,573,942	5,450,709
Interest-bearing deposits	18,977,502	18,328,355
Total deposits	26,551,444	23,779,064
Federal funds purchased and securities sold under agreements to repurchase	142,293	433,097
Commercial paper	39,535	32,016
PPPLF	1,009,760	0
FHLB advances	2,657,016	3,180,967
Other long-term funding	548,937	549,343
Unfunded Commitments	64,776	21,907
Accrued expenses and other liabilities(a)	463,245	467,961
Total liabilities	31,477,007	28,464,355
Stockholders’ Equity
Preferred equity	353,846	256,716
Common stock	1,752	1,752
Surplus	1,712,978	1,716,431
Retained earnings(a)	2,412,859	2,380,867
Accumulated other comprehensive income (loss)	(1,920)	(33,183)
Treasury stock, at cost	(455,057)	(400,460)
Total common equity	3,670,612	3,665,407
Total stockholders’ equity	4,024,457	3,922,124
Total liabilities and stockholders’ equity	$ 35,501,464	$ 32,386,478
Preferred shares authorized (par value $1.00 per share)	750,000	750,000
Preferred shares issued and outstanding	364,458	264,458
Common shares authorized (par value $0.01 per share)	250,000,000	250,000,000
Common shares issued	175,216,409	175,216,409
Common shares outstanding	153,615,657	157,171,247
Residential loans held for sale
Assets
Loans Receivable Held-for-sale, Amount	$ 196,673	$ 136,280
Loans	7,933,518	8,136,980
Commercial loans held for sale
Assets
Loans Receivable Held-for-sale, Amount	3,565	15,000
Loans	$ 15,777,441	13,481,275
Allowance for loan losses(a)		$ (166,846)

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Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Preferred shares, par value	$ 1.00	$ 1.00
Common shares, par value	$ 0.01	$ 0.01
Allowance for Unfunded Commitments	$ 64,776	$ 21,907
Allowance for Loan Losses		201,371
Retained Earnings (Accumulated Deficit)	2,412,859	2,380,867
Allowance for Loan Losses [Member]
Allowance for Loan Losses	363,803	201,371
SEC Schedule, 12-09, Reserve, Off-balance Sheet Activity [Member]
Allowance for Unfunded Commitments	$ 64,776	$ 21,907

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Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Interest income
Interest and fees on loans	$ 191,895	$ 260,784	$ 416,681	$ 519,637
Interest and dividends on investment securities
Taxable	16,103	26,710	36,375	55,764
Tax-exempt	14,616	14,643	29,498	28,459
Other interest	2,231	3,995	5,535	8,221
Total interest income	224,845	306,133	488,090	612,081
Interest expense
Interest on deposits	13,178	67,050	49,844	129,823
Interest on federal funds purchased and securities sold under agreements to repurchase	51	286	420	913
Interest on other short-term funding	683	37	721	88
Interest on FHLB advances	15,470	17,744	33,096	37,298
Interest on long-term funding	5,591	7,396	11,195	14,792
Total interest expense	34,973	92,513	95,276	182,914
Net interest income	189,872	213,619	392,814	429,167
Provision for credit losses	61,000	8,000	114,001	14,000
Net interest income after provision for credit losses	128,872	205,619	278,813	415,167
Noninterest income
Noninterest Income In Scope of Topic 606	66,933	72,703	138,282	145,441
Capital markets, net	6,910	4,726	14,845	7,916
Mortgage banking, net	12,263	9,466	18,407	14,178
Bank and corporate owned life insurance	3,625	3,352	6,719	7,144
Asset gains (losses), net(b)	157,361	871	157,284	1,438
Investment securities gains (losses), net	3,096	463	9,214	2,143
Other	2,737	2,547	5,090	5,807
Total noninterest income	254,490	95,837	352,796	187,040
Noninterest expense
Personnel	111,350	123,228	225,551	243,279
Technology	21,174	20,114	41,973	39,126
Occupancy	14,464	13,830	30,532	30,302
Business development and advertising	3,556	6,658	9,382	13,293
Equipment	5,312	5,577	10,751	11,245
Legal and professional	5,058	4,668	10,217	8,619
Loan and foreclosure costs	3,605	1,814	6,725	3,961
FDIC assessment	5,250	4,500	10,750	8,250
Other intangible amortization	2,872	2,324	5,686	4,551
Other	10,249	11,331	21,791	22,459
Total noninterest expense	183,407	197,779	375,598	389,450
Income (loss) before income taxes	199,955	103,678	256,012	212,756
Income tax expense	51,238	19,017	61,457	41,409
Net income	148,718	84,661	194,555	171,347
Preferred stock dividends	4,144	3,801	7,945	7,601
Net income available to common equity	$ 144,573	$ 80,860	$ 186,611	$ 163,746
Earnings per common share
Basic	$ 0.94	$ 0.49	$ 1.21	$ 1.00
Diluted	$ 0.94	$ 0.49	$ 1.20	$ 0.99
Average common shares outstanding
Basic	152,393	162,180	153,547	163,049
Diluted	153,150	163,672	154,360	164,518
Huntington National Bank
Noninterest income
Related acquisition asset losses net of asset gains		less than $1 million		less than $1 million
Insurance commissions and fees
Noninterest income
Noninterest Income In Scope of Topic 606	$ 22,430	$ 22,985	$ 45,038	$ 48,449
Wealth management fees(a)
Noninterest income
Noninterest Income In Scope of Topic 606	20,916	20,691	41,732	40,870
Service charges and deposit account fees
Noninterest income
Noninterest Income In Scope of Topic 606	11,484	15,426	26,706	30,542
Card-based fees
Noninterest income
Noninterest Income In Scope of Topic 606	8,922	10,177	18,529	19,472
Service charges and account fees	8,893	10,131	18,490	19,392
Other fee-based revenue
Noninterest income
Noninterest Income In Scope of Topic 606	3,181	3,424	6,277	6,108
Service charges and account fees	4,774	5,178	9,272	9,161
Risk Management and Shared Services
Noninterest income
Asset gains (losses), net(b)	163,000		163,000
Operating Segments | Risk Management and Shared Services
Interest expense
Net interest income	17,929	22,375	38,190	44,306
Provision for credit losses	41,858	(9,211)	77,579	(20,480)
Noninterest income
Total noninterest income	165,242	2,447	171,465	8,228
Noninterest expense
Acquisition related costs(c)	518	3,734	2,238	4,366
Total noninterest expense	10,280	21,634	34,779	45,456
Income (loss) before income taxes	109,802	2,919	68,129	12,887
Income tax expense	33,950	(1,127)	25,255	1,466
Net income	$ 75,853	$ 4,047	$ 42,874	$ 11,422

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Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Statement of Comprehensive Income [Abstract]
Net income	$ 148,718	$ 84,661	$ 194,555	$ 171,347
Investment securities available for sale
Net unrealized gains (losses)	21,641	59,476	48,060	89,966
Amortization of net unrealized (gains) losses on available for sale securities transferred to held to maturity securities	776	218	1,332	288
Reclassification adjustment for net losses (gains) realized in net income	(3,096)	(463)	(9,214)	(2,143)
Income tax (expense) benefit	(4,841)	(14,940)	(10,066)	(22,242)
Other comprehensive income (loss) on investment securities available for sale	14,481	44,292	30,112	65,869
Defined benefit pension and postretirement obligations
Amortization of prior service cost	(38)	(38)	(75)	(75)
Amortization of actuarial loss (gain)	803	64	1,610	128
Income tax (expense) benefit	(192)	(7)	(385)	(13)
Other comprehensive income (loss) on pension and postretirement obligations	573	20	1,150	40
Total other comprehensive income (loss)	15,054	44,311	31,263	65,909
Comprehensive income	$ 163,772	$ 128,972	$ 225,818	$ 237,256

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Consolidated Statements of Changes in Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	Total	Cumulative Effect, Period Of Adoption, Adjustment	Cumulative Effect, Period Of Adoption, Adjusted Balance	Performance/Service Based RSAs, RSA,	Board Authorized Purchase Program [Member]	Series C Preferred Stock	Series D Preferred Stock	Series E Preferred Stock	Series F Preferred Stock	Preferred Equity	Preferred Equity Cumulative Effect, Period Of Adoption, Adjusted Balance	Common Stock	Common Stock Cumulative Effect, Period Of Adoption, Adjusted Balance	Surplus	Surplus Cumulative Effect, Period Of Adoption, Adjusted Balance	Retained Earnings	Retained Earnings Cumulative Effect, Period Of Adoption, Adjustment	Retained Earnings Cumulative Effect, Period Of Adoption, Adjusted Balance	Accumulated Other Comprehensive Income (Loss)	Accumulated Other Comprehensive Income (Loss) Cumulative Effect, Period Of Adoption, Adjusted Balance	Treasury Stock	Treasury Stock Cumulative Effect, Period Of Adoption, Adjusted Balance	Treasury Stock Performance/Service Based RSAs, RSA,	Treasury Stock Board Authorized Purchase Program [Member]
Beginning balance at Dec. 31, 2018	$ 3,780,888									$ 256,716		$ 1,752		$ 1,712,615		$ 2,181,414			$ (124,972)		$ (246,638)
Comprehensive income
Net income	86,686															86,686
Other comprehensive income (loss)	21,597																		21,597
Comprehensive income	108,283
Common stock issued
Stock-based compensation plans, net	7,045													(32,220)		0					39,265
Purchase of treasury stock,				$ (7,468)	$ (29,999)																		$ (7,468)	$ (29,999)
Cash dividends
Common stock ($0.17 per share in 2019 and $0.18 per share in 2020)	(28,183)															(28,183)
Preferred stock(a)	(3,801)															(3,801)
Stock-based compensation expense, net	9,397													9,397
Stockholders' Equity, Other	(293)															(293)
Ending balance at Mar. 31, 2019	3,835,870									256,716		1,752		1,689,792		2,235,824			(103,375)		(244,840)
Cash dividends
Preferred Stock, Dividends, Per Share, Cash Paid						$ 0.3828125	$ 0.3359375	$ 0.3671875
Beginning balance at Dec. 31, 2018	3,780,888									256,716		1,752		1,712,615		2,181,414			(124,972)		(246,638)
Comprehensive income
Net income	171,347
Other comprehensive income (loss)	65,909																		65,909
Comprehensive income	237,256
Ending balance at Jun. 30, 2019	3,899,794									256,716		1,752		1,695,715		2,288,909			(59,063)		(284,235)
Beginning balance at Mar. 31, 2019	3,835,870									256,716		1,752		1,689,792		2,235,824			(103,375)		(244,840)
Comprehensive income
Net income	84,661															84,661
Other comprehensive income (loss)	44,311																		44,311
Comprehensive income	128,972
Common stock issued
Stock-based compensation plans, net	827													(211)		0					1,038
Purchase of treasury stock,				(831)	(39,602)																		(831)	(39,602)
Cash dividends
Common stock ($0.17 per share in 2019 and $0.18 per share in 2020)	(27,776)															(27,776)
Preferred stock(a)	(3,801)															(3,801)
Stock-based compensation expense, net	6,134													6,134
Ending balance at Jun. 30, 2019	3,899,794									256,716		1,752		1,695,715		2,288,909			(59,063)		(284,235)
Cash dividends
Preferred Stock, Dividends, Per Share, Cash Paid						0.3828125	0.3359375	0.3671875
Beginning balance at Dec. 31, 2019	3,922,124		$ 3,823,787							256,716	$ 256,716	1,752	$ 1,752	1,716,431	$ 1,716,431	2,380,867		$ 2,282,530	(33,183)	$ (33,183)	(400,460)	$ (400,460)
Beginning balance (Accounting Standards Update 2016-13) at Dec. 31, 2019		$ (98,337)															$ (98,337)
Comprehensive income
Net income	45,838															45,838
Other comprehensive income (loss)	16,209																		16,209
Comprehensive income	62,046
Common stock issued
Stock-based compensation plans, net	2,896													(20,659)							23,555
Purchase of treasury stock,				(5,555)	$ (71,255)																		(5,555)	$ (71,255)
Cash dividends
Common stock ($0.17 per share in 2019 and $0.18 per share in 2020)	(28,392)															(28,392)
Preferred stock(a)	(3,801)															(3,801)
Stock-based compensation expense, net	10,744													10,744
Ending balance at Mar. 31, 2020	3,790,471									256,716		1,752		1,706,516		2,296,176			(16,974)		(453,714)
Cash dividends
Preferred Stock, Dividends, Per Share, Cash Paid						0.3828125	0.3359375	0.3671875
Beginning balance at Dec. 31, 2019	3,922,124		$ 3,823,787							256,716	$ 256,716	1,752	$ 1,752	1,716,431	$ 1,716,431	2,380,867		$ 2,282,530	(33,183)	$ (33,183)	(400,460)	$ (400,460)
Beginning balance (Accounting Standards Update 2016-13) at Dec. 31, 2019		$ (98,337)															$ (98,337)
Comprehensive income
Net income	194,555
Other comprehensive income (loss)	31,263																		31,263
Comprehensive income	225,818
Ending balance at Jun. 30, 2020	4,024,457									353,846		1,752		1,712,978		2,412,859			(1,920)		(455,057)
Beginning balance at Mar. 31, 2020	3,790,471									256,716		1,752		1,706,516		2,296,176			(16,974)		(453,714)
Comprehensive income
Net income	148,718															148,718
Other comprehensive income (loss)	15,054																		15,054
Comprehensive income	163,772
Common stock issued
Stock-based compensation plans, net	173													1,523							(1,350)
Purchase of treasury stock,				$ 7																			$ 7
Cash dividends
Common stock ($0.17 per share in 2019 and $0.18 per share in 2020)	(27,889)															(27,889)
Preferred stock(a)	(4,144)															(4,144)
Issuance of preferred stock	97,129									97,129
Stock-based compensation expense, net	4,939													4,939
Ending balance at Jun. 30, 2020	$ 4,024,457									$ 353,846		$ 1,752		$ 1,712,978		$ 2,412,859			$ (1,920)		$ (455,057)
Cash dividends
Preferred Stock, Dividends, Per Share, Cash Paid						$ 0.3828125	$ 0.3359375	$ 0.3671875	$ 0.0849931

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Consolidated Statements of Changes in Stockholders' Equity (Parenthetical) - $ / shares	3 Months Ended
	Jun. 30, 2020	Mar. 31, 2020	Jun. 30, 2019	Mar. 31, 2019
Common Stock, Dividends, Per Share, Cash Paid	$ 0.18	$ 0.18	$ 0.17	$ 0.17

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Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended				6 Months Ended		12 Months Ended
	Jun. 30, 2020	Mar. 31, 2020	Jun. 30, 2019	Mar. 31, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019	Jun. 30, 2020	Jun. 30, 2019
Cash Flow From Operating Activities
Net income	$ 148,718	$ 45,838	$ 84,661	$ 86,686	$ 194,555	$ 171,347
Adjustments to reconcile net income to net cash provided by (used in) operating activities
Provision for credit losses	61,000		8,000		114,001	14,000
Depreciation and amortization					29,119	28,810
Addition to (recovery of) valuation allowance on mortgage servicing rights, net					17,029	146
Amortization of mortgage servicing rights					10,043	5,448
Amortization of other intangible assets	2,872		2,324		5,686	4,551
Amortization and accretion on earning assets, funding, and other, net					14,060	14,495
Net amortization of tax credit investments					13,661	11,180
Losses (gains) on sales of investment securities, net					(9,214)	(2,143)
Asset (gains) losses, net					(157,284)	(1,438)
(Gain) loss on mortgage banking activities, net					(26,545)	(11,172)
Mortgage loans originated and acquired for sale					(860,674)	(459,181)
Proceeds from sales of mortgage loans held for sale					1,022,268	432,099
Changes in certain assets and liabilities
(Increase) decrease in interest receivable					4,099	(11,738)
Increase (decrease) in interest payable					(3,682)	3,572
Increase (decrease) in expense payable					(49,911)	(35,516)
(Increase) decrease in net derivative position					(138,961)	(93,872)
Increase (decrease) in unsettled trades					20,515	(136)
(Increase) decrease in net income tax position					18,606	27,010
Net change in other assets and other liabilities					68,750	(26,992)
Net cash provided by (used in) operating activities					286,120	70,470
Cash Flow From Investing Activities
Net increase in loans					(1,912,941)	(244,230)
Purchases of
Available for sale securities					(867,693)	(460,124)
Held to maturity securities					(65,563)	(169,775)
Federal Home Loan Bank and Federal Reserve Bank stocks					(78,153)	(178,363)
Premises, equipment, and software, net of disposals					(22,577)	(30,608)
Other intangibles					(200)	0
Proceeds from
Sales of available for sale securities					626,276	934,228
Sale of Federal Home Loan Bank and Federal Reserve Bank stocks					100,000	226,139
Prepayments, calls, and maturities of available for sale investment securities					499,025	262,872
Prepayments, calls, and maturities of held to maturity investment securities					191,953	100,603
Sales, prepayments, calls, and maturities of other assets					12,728	7,064
Net change in tax credit and alternative investments					(30,276)	(30,814)
Net cash (paid) received in acquisition					(31,518)
Net cash (paid) received in acquisition						551,250
Net cash provided by (used in) investing activities					(1,322,370)	968,242
Cash Flow From Financing Activities
Net increase (decrease) in deposits					2,334,002	(348,344)
Net increase (decrease) in short-term funding					(309,144)	(45,091)
Net increase (decrease) in short-term FHLB advances					(520,000)	(820,000)
Repayment of long-term FHLB advances					(16,583)	(762,880)
Proceeds from long-term FHLB advances					4,000	751,573
Proceeds from PPPLF					1,009,760	0
Proceeds from finance lease principal					(1,007)	0
Proceeds from issuance of preferred shares					97,129	0
Proceeds from issuance of common stock for stock-based compensation plans					3,069	7,872
Cash dividends on common stock					(56,281)	(55,959)
Cash dividends on preferred stock					(7,945)	(7,601)
Net cash provided by (used in) financing activities					2,460,197	(1,358,331)
Net increase (decrease) in cash, cash equivalents, and restricted cash					1,423,947	(319,619)
Cash, cash equivalents, and restricted cash at beginning of period		588,744		876,698	588,744	876,698	$ 876,698
Cash, cash equivalents, and restricted cash at end of period	2,012,691		557,078		2,012,691	557,078	588,744
Supplemental disclosures of cash flow information
Cash paid for interest					97,929	178,550
Cash paid for (received from) income and franchise taxes					3,318	21,909
Loans and bank premises transferred to OREO					5,212	5,406
Capitalized mortgage servicing rights					9,169	3,575
Loans transferred into held for sale from portfolio, net					201,827	30,597
Unsettled trades to purchase securities					20,515	136
Acquisition
Fair value of assets acquired, including cash and cash equivalents								$ 459,235	$ 696,013
Fair value ascribed to goodwill and intangible assets								20,793	29,626
Fair value of liabilities assumed								480,028	725,719
Equity issued in (adjustments related to) acquisition					0	(79)
Restricted Cash and Cash Equivalents
Cash and cash equivalents								2,012,691	403,693
Restricted cash								0	153,385
Total cash, cash equivalents, and restricted cash shown in the statement of cash flows	$ 2,012,691	$ 588,744	$ 557,078	$ 876,698	2,012,691	557,078	$ 876,698	$ 2,012,691	$ 557,078
ABRC
Proceeds from
Sales, prepayments, calls, and maturities of other assets					256,571	0
Performance/Service Based RSAs, RSA,
Cash Flow From Financing Activities
Payments for Repurchase of Common Stock					(5,548)	(8,299)
Board Authorized Purchase Program [Member]
Cash Flow From Financing Activities
Payments for Repurchase of Common Stock					$ (71,255)	$ (69,601)

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Basis of Presentation

6 Months Ended

Jun. 30, 2020

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Basis of Presentation

Basis of Presentation

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

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

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

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Acquisitions

6 Months Ended

Jun. 30, 2020

Business Combinations [Abstract]

Acquisitions and Dispositions

Acquisitions and Dispositions

Acquisitions:

First Staunton Acquisition

On February 14, 2020, the Corporation completed its acquisition of First Staunton. The Corporation paid a 4% premium on acquired deposits. The conversion of the branches was completed simultaneously with the close of the transaction, expanding the Bank's presence into 9 new Metro-East St. Louis communities. As a result of the acquisition and other consolidations, a net of 7 branch locations were added.

The First Staunton acquisition constituted a business combination. The acquisition has been accounted for using the acquisition method of accounting and, accordingly, assets acquired, liabilities assumed, and consideration exchanged were recorded at estimated fair value on the acquisition date. The determination of estimated fair values required management to make certain estimates that are subjective in nature and may require adjustments upon the availability of new information regarding facts and circumstances which existed at the date of acquisition (i.e., appraisals) for up to a year following the acquisition. The Corporation continues to review information relating to events or circumstances existing at the acquisition date. Management anticipates that this review could result in adjustments to the acquisition date valuation amounts presented herein but does not anticipate that these adjustments will be material.

The Corporation recorded approximately $15 million in goodwill related to the First Staunton acquisition during the first quarter of 2020, however the Corporation subsequently reduced goodwill by $2 million during the second quarter of 2020. Upon review of information relating to events and circumstances existing at the acquisition date, and in accordance with applicable accounting guidance, the Corporation remeasured select previously reported fair value amounts. The adjustment to goodwill was driven by an update that increased the fair value of MSRs acquired. Goodwill created by the acquisition is not tax deductible. See Note 8 for additional information on goodwill, as well as the carrying amount and amortization of CDI assets related to the First Staunton acquisition.

The following table presents the estimated fair values of the assets acquired and liabilities assumed as of the acquisition date related to the First Staunton acquisition:

($ in Thousands)	Purchase Accounting Adjustments		February 14, 2020
Assets
Cash and cash equivalents	$	—	$	44,782
Investment securities available for sale	(24)		98,743
Federal Home Loan Bank and Federal Reserve Bank stocks, at cost	—		781
Loans	(4,808)		369,741
Premises and equipment, net	(3,005)		4,865
Bank owned life insurance	9		6,770
Goodwill			13,414
Core deposit intangibles (included in other intangible assets, net on the face of the consolidated balance sheets)	7,379		7,379
OREO (included in other assets on the face of the consolidated balance sheets)	670		762
Other assets	4,193		9,090
Total assets			$	556,328
Liabilities
Deposits	$	1,285	$	438,684
Other borrowings	61		34,613
Accrued expenses and other liabilities	179		6,730
Total liabilities			$	480,028
Total consideration paid			$	76,300

For a description of methods used to determine the fair value of significant assets and liabilities presented on the balance sheet above, see Assumptions section of this Note.

The Corporation has purchased loans with the First Staunton acquisition, for which there was, at acquisition, evidence of more than insignificant deterioration of credit quality since origination. The carrying amount of those loans is as follows:

($ in Thousands)	February 14, 2020
Purchase price of loans at acquisition	$	77,221
Allowance for credit losses at acquisition	3,504
Non-credit discount/(premium) at acquisition	(951)
Par value of acquired loans at acquisition	$	79,774

There were no PCD securities.

Huntington Wisconsin Branch Acquisition

On June 14, 2019, the Corporation completed its acquisition of the Wisconsin branches of Huntington. The Corporation paid a 4% premium on acquired deposits. The conversion of the branches happened simultaneously with the close of the transaction and the acquisition expanded the Bank's presence into 13 new Wisconsin communities. As a result of the acquisition and other consolidations, a net of 14 branch locations were added.

The Huntington branch acquisition constituted a business combination. The acquisition has been accounted for using the acquisition method of accounting and, accordingly, assets acquired, liabilities assumed, and consideration exchanged were recorded at estimated fair value on the acquisition date. The determination of estimated fair values required management to make certain estimates that are subjective in nature and may require adjustments upon the availability of new information regarding facts and circumstances which existed at the date of acquisition (i.e., appraisals) for up to a year following the acquisition.

The Corporation recorded approximately $7 million in goodwill related to the Huntington branch acquisition during the second quarter of 2019 and approximately $210,000 during the third quarter of 2019. Upon review of information relating to events and circumstances existing at the acquisition date, and in accordance with applicable accounting guidance, the Corporation remeasured select previously reported fair value amounts. The adjustment to goodwill was driven by an update that decreased the fair value of furniture acquired. Goodwill created by the acquisition is tax deductible. See Note 8 for additional information on goodwill.

The following table presents the estimated fair values of the assets acquired and liabilities assumed as of the acquisition date related to Huntington branch acquisition:

($ in Thousands)	Purchase Accounting Adjustments		June 14, 2019
Assets
Cash and cash equivalents	$	—	$	551,250
Loans	(1,552)		116,346
Premises and equipment, net	4,800		22,430
Goodwill			7,286
Core deposit intangibles (included in other intangible assets, net on the face of the consolidated balance sheets)	22,630		22,630
OREO (included in other assets on the face of the consolidated balance sheets)	(2,561)		5,263
Other assets	—		559
Total assets			$	725,764
Liabilities
Deposits	$	156	$	725,173
Other liabilities	70		590
Total liabilities			$	725,764

Assumptions

Investment Securities: The fair value of investments on the date of acquisition was determined utilizing an external third party broker opinion of the market value.

Loans: Fair values for loans were based on a discounted cash flow methodology that considered factors including the type of loan and related collateral, classification status, fixed or variable interest rate, term of loan, amortization status and current discount rates. For the non-credit (interest and liquidity) premium, loans were grouped together according to similar characteristics when applying various valuation techniques. For the credit discount, loans were also grouped based on whether they had more than insignificant deterioration in credit since origination.

CDIs: This intangible asset represents the value of the relationships with deposit customers. The fair value was estimated based on a discounted cash flow methodology that gave appropriate consideration to expected customer attrition rates, net maintenance cost of the deposit base, alternative cost of funds, and the interest costs associated with customer deposits. The CDIs will be amortized on a straight-line basis over 10 years.

Time Deposits: The fair value for time deposits are estimated using a discounted cash flow calculation that applies interest rates currently being offered to the contractual interest rates on such time deposits.

FHLB Borrowings: The fair value of FHLB advances are estimated based on quoted market prices for the instrument if available, or for similar instruments if not available, or by using discounted cash flow analyses, based on current incremental borrowing rates for similar types of instruments.

Dispositions:

Associated Benefits & Risk Consulting

On June 30, 2020, the Corporation announced that it had closed the previously announced sale of ABRC to USI. Under the terms of the agreement, the purchase price was $266 million in cash, subject to adjustments for, among other things, transaction expenses and working capital changes. Associated recorded a second quarter 2020 pre-tax book gain of approximately $163 million in conjunction with the sale.

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Summary of Significant Accounting Policies

6 Months Ended

Jun. 30, 2020

Accounting Standards Update and Change in Accounting Principle [Abstract]

Summary of Significant Accounting Policies

Summary of Significant Accounting Policies The accounting and reporting policies of the Corporation conform to U.S. GAAP and to general practice within the financial services industry. A discussion of these policies can be found in Note 1 Summary of Significant Accounting Policies included in the Corporation’s 2019 Annual Report on Form 10-K. As a result of adopting ASU 2016-13 Financial Instruments - Credit Losses (Topic 326), there have been changes to the Corporation's significant accounting policies since December 31, 2019, which are described below.

Investment Securities

Management measures expected credit losses on held to maturity securities on a collective basis by major security type. Accrued interest receivable on held to maturity securities is excluded from the estimate of credit losses. The estimate of expected credit losses considers historical credit loss information that is adjusted for current conditions and reasonable and supportable forecasts and is included in investment securities held to maturity, net on the consolidated balance sheets.

For available for sale securities, the Corporation evaluates whether any decline in fair value has resulted from credit losses or other factors. In making this assessment, management considers the extent to which fair value is less than amortized cost, any changes to the rating of the security by a rating agency, and adverse conditions specifically related to the security, among other factors. If this assessment indicates that a credit loss exists, the present value of cash flows expected to be collected from the security are compared to the amortized cost basis of the security. If the present value of cash flows expected to be collected is less than the amortized cost basis, a credit loss exists and an allowance for credit losses on investments is recorded for the credit loss, limited by the amount that the fair value is less than the amortized cost basis. Any impairment that has not been recorded through an allowance for credit losses on investments is recognized in other comprehensive income.

Changes in the allowance for credit losses on investments are recorded as provision for, or reversal of, credit loss expense. Losses are charged against the allowance when management believes the available for sale security is uncollectible or when either of the criteria regarding intent or requirement to sell is met. Accrued interest receivable on available for sale debt securities is excluded from the estimate of credit losses.

Allowance for Credit Losses on Loans

The level of the allowance for loan losses represents management's estimate of an amount appropriate to provide for lifetime credit losses in the loan portfolio at the balance sheet date. The allocation methodology applied by the Corporation, designed to assess the appropriateness of the allowance for loan losses, includes an allocation methodology, as well as management’s ongoing review and grading of the loan portfolio into criticized loan categories. The allocation methodology focuses on evaluation of several factors, including but not limited to: evaluation of facts and issues related to specific loans, management's ongoing review and grading of the loan portfolio using a dual risk rating system leveraging probability of default and loss given default, consideration of historical credit loss and delinquency experience on each portfolio category, trends in past due and nonaccrual loans, the level of potential problem loans, the risk characteristics of the various classifications of loans, changes in the size and character of the loan portfolio, concentrations of loans to specific borrowers or industries, existing economic conditions and economic forecasts, the fair value of underlying collateral, and other qualitative and quantitative factors which could affect potential loan losses. The Corporation utilizes the Moody's Baseline economic forecast in the allowance model and applies that forecast over a reasonable and supportable period with reversion to historical losses. For additional detail on the reasonable and supportable period and reversion methodology, see Note 7. Potential problem loans are generally defined by management to include loans rated as substandard by management. Assessing these numerous factors involves significant judgment. The provision for loan losses is predominantly a function of the result of the methodology and other qualitative and quantitative factors used to determine the allowance for loan losses.

Management individually analyzes loans that do not share similar risk characteristics to other loans in the portfolio. Management has determined that commercial loan relationships that have nonaccrual status or commercial and retail loans that have had their terms restructured in a TDR meet this definition. Probable TDRs are loans the Corporation has reviewed individually to determine whether there is a high likelihood that the loans will default and will require restructuring in the near future. Probable TDRs could be classified as Pass, Special Mention, Substandard or Nonaccrual within the Corporation's credit quality analysis depending on the specific circumstances surrounding the individual credits. Accrued interest receivable on loans is excluded from the estimate of credit losses.

The allowance for unfunded commitments leverages the same methodology utilized to measure the allowance for loan losses. The Corporation estimates expected credit losses over the contractual period in which the Corporation is exposed to credit risk via a contractual obligation to extend credit, unless that obligation is unconditionally cancellable by the Corporation. The estimate includes consideration of the likelihood that funding will occur and an estimate of expected credit losses on commitments expected to be funded over its estimated life. See Note 7 for additional information on the ACLL and Note 12 for additional information on the allowance for unfunded commitments.

Impact of adopting ASU 2016-13 Financial Instruments - Credit Losses (Topic 326)

The following table illustrates the adoption impact:

	December 31, 2019				January 1, 2020
($ in Thousands)	Allowance for Loan Losses		Allowance for Unfunded Commitments		CECL Day 1 Adjustment		ACLL Beginning Balance
Commercial and industrial	$	91,133	$	12,276	$	48,921	$	152,330
Commercial real estate - owner occupied	10,284		127		(1,851)		8,560
Commercial and business lending	101,417		12,403		47,070		160,890
Commercial real estate - investor	40,514		530		2,287		43,331
Real estate construction	24,915		7,532		25,814		58,261
Commercial real estate lending	65,428		8,062		28,101		101,591
Total Commercial	166,846		20,465		75,171		262,482
Residential mortgage	16,960		—		33,215		50,175
Home equity	10,926		1,038		14,240		26,204
Other consumer	6,639		405		8,520		15,564
Total consumer	34,525		1,443		55,975		91,943
Total loans	$	201,371	$	21,907	$	131,147	$	354,425

The allowance for credit losses on held to maturity securities was approximately $61,000 at January 1, 2020, attributable entirely to the Corporation's municipal securities.

At January 1, 2020, the adoption of ASU 2016-13 resulted in an increase to the allowance for loan losses of $112 million and an increase to the allowance for unfunded commitments of $19 million for a total increase to the ACLL of $131 million. A corresponding after tax decrease to common equity of $98 million was recorded along with a deferred tax asset of $33 million.

New Accounting Pronouncements Adopted

Standard	Description	Date of adoption	Effect on financial statements
ASU 2016-13 Financial Instruments - Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments	The FASB issued an amendment to replace the current incurred loss impairment methodology. Under the new guidance, entities will be required to measure expected credit losses by utilizing forward-looking information to assess an entity's ACL. The guidance also requires consideration of a broader range of reasonable and supportable information to inform credit loss estimates. The measurement of expected credit losses is based on relevant information about past events, including historical experience, current conditions, and reasonable and supportable forecasts that affect the collectability of the reported amount. An entity must use judgment in determining the relevant information and estimation methods that are appropriate in its circumstances. This amendment was effective for fiscal years beginning after December 15, 2019, including interim periods within those fiscal years. Entities should apply the amendment by means of a cumulative-effect adjustment to retained earnings as of the beginning of the fiscal year of adoption. ASU 2018-19 was issued to clarify that receivables arising from operating leases are not within the scope of Subtopic 326-20. Instead, impairment of receivables arising from operating leases should be accounted for in accordance with Topic 842, Leases. ASU 2019-04 was issued and provided entities alternatives for measurement of accrued interest receivable, clarified the steps entities should take when recording the transfer of loans or debt securities between measurement classifications or categories and clarifies that entities should include expected recoveries on financial assets. ASU 2019-05 was issued to provide entities that have certain instruments within the scope of Subtopic 320-20 with an option to irrevocably elect the fair value option in Subtopic 825-10. ASU 2020-02 was issued to further explain the measurement of current expected credit losses and the development, governance, and documentation of a systematic methodology.	1st Quarter 2020	The Corporation has adopted the Update using a modified retrospective approach. The Corporation has developed a CECL allowance model which calculates reserves over the life of the loan and is largely driven by portfolio characteristics, risk-grading, economic outlook, and key methodology assumptions. Those assumptions are based upon the existing probability of default and loss given default framework. At adoption, the Corporation utilized a single economic forecast over a 2-year reasonable and supportable forecast period. In the second year, the Corporation used straight-line reversion to historical losses. The Corporation recorded a $131 million adjustment to the ACL related to the adoption of this standard, which includes $61 thousand related to the held to maturity investment securities portfolio. The Corporation has elected to maintain pools accounted for under Subtopic 310-30 at adoption. The Corporation has elected to utilize the 2019 Capital Transition Relief for initial adoption, as well as the 2020 Capital Transition Relief as permitted under applicable regulations. The total impact at adoption equates to an approximately 29 bp net, after tax, reduction in the tangible common equity ratio. Results for the periods after January 1, 2020 are presented in accordance with ASC 326 while prior period amounts continue to be reported in accordance with previously applicable standards.

Standard	Description	Date of adoption	Effect on financial statements
ASU 2018-13 Fair Value Measurement (Topic 820): Disclosure Framework—Changes to the Disclosure Requirements for Fair Value Measurement	The FASB issued an amendment to add, modify, and remove disclosure requirements on fair value measurements in Topic 820, Fair Value Measurement, based on the FASB Concepts Statement "Conceptual Framework for Financial Reporting," including the consideration of costs and benefits. The amendment was effective for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2019. The amendments on changes in unrealized gains and losses, the range and weighted average of significant unobservable inputs used to develop Level 3 fair value measurements, and the narrative description of measurement uncertainty should be applied prospectively for only the most recent interim or annual period presented in the initial fiscal year of adoption. All other amendments should be applied retrospectively to all periods presented upon their effective date.	1st Quarter 2020	The Corporation has evaluated and determined it has an immaterial impact with minor changes in presentation.
ASU 2017-04 Intangibles - Goodwill and Other (Topic 350): Simplifying the Test for Goodwill Impairment	The FASB issued an amendment to simplify the subsequent quantitative measurement of goodwill by eliminating step two from the goodwill impairment test. Instead, an entity will perform only step one of its quantitative goodwill impairment test by comparing the fair value of a reporting unit with its carrying amount, and then recognizing an impairment charge for the amount by which the carrying amount exceeds the reporting unit's fair value; however, the loss recognized should not exceed the total amount of goodwill allocated to that reporting unit. An entity will still have the option to perform a qualitative assessment for a reporting unit to determine if the quantitative step one impairment test is necessary. This amendment was effective for annual or interim goodwill impairment tests in fiscal years beginning after December 15, 2019. Entities should apply the amendment prospectively.	1st Quarter 2020	There has been no material impact on results of operations, financial position, and liquidity. The Corporation does its annual impairment testing in May.
ASU 2020-03 Codification Improvements to Financial Instruments	The FASB issued an amendment to further clarify that all entities are required to provide the fair value option disclosures in paragraphs 825-10-50-24 through 50-32. The amendment also states that paragraphs 820-10-35-2A(g) and 820-10-35-18L are to include the phrase nonfinancial items accounted for as derivatives under Topic 815 to be consistent with the previous amendments to Section 820-10-35 that were made by ASU No. 2018-09, Codification Improvements. The amendment also clarifies that the disclosure requirements in Topic 320 apply to the disclosure requirements in Topic 942 for depository and lending institutions along with improving the understandability of the guidance relating to subtopic 470-50 and subtopic 820-10. Lastly, the amendment clarifies that the contractual term of a net investment in a lease determined in accordance with Topic 842 should be the contractual term used to measure expected credit losses under Topic 326 and that when an entity regains control of financial assets sold, an ACL should be recorded in accordance with Topic 326.	1st Quarter 2020	The Corporation has evaluated and determined it has an immaterial impact.
ASU 2020-04 Reference Rate Reform (Topic 848): Facilitation of the Effects of Reference Rate Reform on Financial Reporting	The FASB issued an amendment to provide optional expedients and exceptions for applying GAAP to contracts, hedging relationships, and other transactions affected by reference rate reform if certain criteria are met. The amendment only applies to contracts, hedging relationships, and other transactions that reference LIBOR or another reference rate expected to be discontinued because of reference rate reform. The expedients and exceptions provided by the amendments do not apply to contract modifications made and hedging relationships entered into or evaluated after December 31, 2022, except for hedging relationships existing as of December 31, 2022, that an entity has elected certain optional expedients for and that are retained through the end of the hedging relationship.	1st Quarter 2020	The Corporation has evaluated the impact of the Update and determined the expedients provided allow for simpler, more streamlined modifications to the financial instruments referencing LIBOR. A small population of loans have been modified under the new standard.

Future Accounting Pronouncements

The expected impact of accounting pronouncements recently issued or proposed but not yet required to be adopted are displayed in the table below:

Standard	Description	Date of anticipated adoption	Effect on financial statements
ASU 2018-14 Compensation—Retirement Benefits—Defined Benefit Plans—General (Subtopic 715-20): Disclosure Framework—Changes to the Disclosure Requirements for Defined Benefit Plans	The FASB issued an amendment to modify the disclosure requirements for employers that sponsor defined benefit pension or other postretirement plans. The amendments also added requirements to disclose the weighted-average interest crediting rates for cash balance plans and other plans with promised interest crediting rates and an explanation of the reasons for significant gains and losses related to changes in the benefit obligation for the period. The amendment also clarifies the disclosure requirements in paragraph 715-20-50-3, which states that certain information for defined benefit pension plans should be disclosed. The amendments in this Update remove disclosures that no longer are considered cost beneficial, clarify the specific requirements of disclosures, and add disclosure requirements identified as relevant. The amendment is effective for fiscal years ending after December 15, 2020. Entities should apply the amendments in this Update on a retrospective basis to all periods presented. Early adoption is permitted.	1st Quarter 2021	The Corporation is currently evaluating the impact on its results of operations, financial position, and liquidity.
ASU 2020-01 Investments-Equity Securities (Topic 321), Investments-Equity Method and Joint Ventures (Topic 323), and Derivatives and Hedging (Topic 815) Clarifying the Interactions between Topic 321, Topic 323, and Topic 815	The FASB issued an amendment to clarify the interaction of the accounting for equity securities under Topic 321 and investments accounted for under the equity method of accounting in Topic 323 and the accounting for certain forward contracts and purchased options accounted for under Topic 815. The amendments clarify that an entity should consider observable transactions that require it to either apply or discontinue the equity method of accounting for the purposes of applying the measurement alternative in accordance with Topic 321 immediately before applying or upon discontinuing the equity method. The amendments also clarify that for the purpose of applying paragraph 815-10-15-141(a) an entity should not consider whether, upon the settlement of the forward contract or exercise of the purchased option, individually or with existing investments, the underlying securities would be accounted for under the equity method in Topic 323 or the fair value option in accordance with the financial instruments guidance in Topic 825. An entity also would evaluate the remaining characteristics in paragraph 815-010-15-141 to determine the accounting for those forward contracts and purchased options.	1st Quarter 2021	The Corporation is currently evaluating the impact on its results of operations, financial position, and liquidity.

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Earnings Per Common Share

6 Months Ended

Jun. 30, 2020

Earnings Per Share [Abstract]

Earnings Per Common Share

Earnings Per Common Share

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

	Three Months Ended June 30,				Six Months Ended June 30,
(In Thousands, except per share data)	2020		2019		2020		2019
Net income	$	148,718	$	84,661	$	194,555	$	171,347
Preferred stock dividends	(4,144)		(3,801)		(7,945)		(7,601)
Net income available to common equity	$	144,573	$	80,860	$	186,611	$	163,746
Common shareholder dividends	(27,667)		(27,571)		(55,931)		(55,650)
Unvested share-based payment awards	(222)		(205)		(351)		(308)
Undistributed earnings	$	116,684	$	53,085	$	130,329	$	107,787
Undistributed earnings allocated to common shareholders	$	115,750	$	52,690	$	129,377	$	107,098
Undistributed earnings allocated to unvested share-based payment awards	934		395		953		689
Undistributed earnings	$	116,684	$	53,085	$	130,329	$	107,787
Basic
Distributed earnings to common shareholders	$	27,667	$	27,571	$	55,931	$	55,650
Undistributed earnings allocated to common shareholders	115,750		52,690		129,377		107,098
Total common shareholders earnings, basic	$	143,417	$	80,261	$	185,307	$	162,748
Diluted
Distributed earnings to common shareholders	$	27,667	$	27,571	$	55,931	$	55,650
Undistributed earnings allocated to common shareholders	115,750		52,690		129,377		107,098
Total common shareholders earnings, diluted	$	143,417	$	80,261	$	185,307	$	162,748
Weighted average common shares outstanding	152,393		162,180		153,547		163,049
Effect of dilutive common stock awards	757		1,492		813		1,469
Diluted weighted average common shares outstanding	153,150		163,672		154,360		164,518
Basic earnings per common share	$	0.94	$	0.49	$	1.21	$	1.00
Diluted earnings per common share	$	0.94	$	0.49	$	1.20	$	0.99

Non-dilutive common stock options of approximately 8 million and 4 million for the three months ended June 30, 2020 and 2019, respectively, and 7 million and 3 million for the six months ended June 30, 2020 and 2019, respectively, were excluded from the earnings per common share calculation.

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Stock-Based Compensation

6 Months Ended

Jun. 30, 2020

Retirement Benefits [Abstract]

Stock-Based Compensation

Stock-Based Compensation

The fair value of stock options granted is estimated on the date of grant using a Black-Scholes option pricing model, while the fair value of restricted stock awards is their fair market value on the date of grant. The fair values of stock options and restricted stock awards are amortized as compensation expense on a straight-line basis over the vesting period of the grants. For retirement eligible colleagues, whose employment meets the definitions under the 2017 Incentive Compensation Plan, and subsequent 2020 Incentive Compensation Plan, expenses related to stock options and restricted stock awards are fully recognized on the date the colleague meets the definition of normal or early retirement. Compensation expense recognized is included in personnel expense on the consolidated statements of income.

Assumptions are used in estimating the fair value of stock options granted. The weighted average expected life of the stock option represents the period of time stock options are expected to be outstanding and is estimated using historical data of stock option exercises and forfeitures. The risk-free interest rate is based on the U.S. Treasury yield curve in effect at the time of grant. The expected volatility is based on the implied volatility of the Corporation’s stock.

The following assumptions were used in estimating the fair value for options granted in the first six months of 2020 and full year 2019:

	2020		2019
Dividend yield	3.50	%	3.30	%
Risk-free interest rate	1.60	%	2.60	%
Weighted average expected volatility	21.00	%	24.00	%
Weighted average expected life	5.75 years		5.75 years
Weighted average per share fair value of options	$2.39		$4.00

A summary of the Corporation’s stock option activity for the six months ended June 30, 2020 is presented below:

Stock Options	Shares(a)	Weighted Average Exercise Price		Weighted Average Remaining Contractual Term	Aggregate Intrinsic Value(a)
Outstanding at December 31, 2019	5,543	$	20.13	6.25 years	$	16,043
Granted	1,697	18.43
Exercised	(110)	13.95
Forfeited or expired	(219)	22.30
Outstanding at June 30, 2020	6,911	$	19.74	6.73 years	$	213
Options Exercisable at June 30, 2020	4,242	$	19.21	5.32 years	$	213

(a) In thousands

Intrinsic value represents the amount by which the fair market value of the underlying stock exceeds the exercise price of the stock option. For the six months ended June 30, 2020, the intrinsic value of stock options exercised was less than $1 million compared to $3 million for the six months ended June 30, 2019. The total fair value of stock options vested was $3 million for the six months ended June 30, 2020, compared to $4 million for the six months ended June 30, 2019.

The Corporation recognized compensation expense for the vesting of stock options of $3 million for both the six months ended June 30, 2020 and June 30, 2019. Included in compensation expense for 2020 was approximately $1 million of expense for the accelerated vesting of stock options granted to retirement eligible colleagues. At June 30, 2020, the Corporation had approximately $4 million of unrecognized compensation expense related to stock options that is expected to be recognized over the remaining requisite service periods that extend predominately through the first quarter of 2024.

The Corporation also has issued time-based and performance-based restricted stock awards under the 2017 Incentive Compensation Plan and subsequent 2020 Incentive Compensation Plan. Performance awards are based on performance goals of earnings per share and total shareholder return with vesting ranging from a minimum of 0% to a maximum of 150% of the target award. Performance awards are valued utilizing a Monte Carlo simulation model to estimate fair value of the awards at the grant date.

The following table summarizes information about the Corporation’s restricted stock awards activity for the six months ended June 30, 2020:

Restricted Stock Awards	Shares(a)	Weighted Average Grant Date Fair Value
Outstanding at December 31, 2019	2,393	$	22.39
Granted	1,032	18.38
Vested	(804)	23.05
Forfeited	(72)	22.64
Outstanding at June 30, 2020	2,550	$	20.56

(a) In thousands

The Corporation amortizes the expense related to restricted stock awards as compensation expense over the vesting period specified in the grant's award agreement. Performance-based restricted stock awards granted during 2019 and 2020 will vest ratably over a period of three years. Service-based restricted stock awards granted during 2019 and 2020 will vest ratably over a period of four years. Expense for restricted stock awards issued of approximately $12 million was recorded for the six months ended June 30, 2020 and $13 million was recorded for the six months ended June 30, 2019. Included in compensation expense for the first six months of 2020 was approximately $5 million of expense for the accelerated vesting of restricted stock awards granted to retirement eligible colleagues. The Corporation had $23 million of unrecognized compensation costs related to restricted stock awards at June 30, 2020 that are expected to be recognized over the remaining requisite service periods that extend predominately through the first quarter of 2024.

At the Corporation’s 2020 Annual Meeting of Shareholders held on April 28, 2020, the Corporation’s shareholders approved the Associated Banc-Corp 2020 Incentive Compensation Plan, which provides for various types of awards to the Company’s executive officers, employees, consultants and non-employee directors, including, among others, stock options, restricted stock, restricted stock units and performance units.

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

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Investment Securities

6 Months Ended

Jun. 30, 2020

Investments, Debt and Equity Securities [Abstract]

Investment Securities

Investment Securities

Investment securities are classified as available for sale, held to maturity, or equity on the consolidated balance sheets at the time of purchase. The amortized cost and fair values of securities available for sale and held to maturity at June 30, 2020 were as follows:

($ in Thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized (Losses)		Fair Value
Investment securities available for sale
U. S. Treasury securities	$	26,646	$	88	$	—	$	26,735
Agency securities	24,982		25		—		25,007
Obligations of state and political subdivisions (municipal securities)	471,346		24,542		—		495,888
Residential mortgage-related securities
FNMA / FHLMC	813,458		4,652		—		818,110
GNMA	592,338		13,222		—		605,561
Commercial mortgage-related securities
FNMA / FHLMC	19,793		2,269		—		22,061
GNMA	782,577		20,786		—		803,362
Asset backed securities
FFELP	356,532		—		(16,058)		340,474
SBA	9,619		—		(44)		9,575
Other debt securities	3,000		—		—		3,000
Total investment securities available for sale	$	3,100,291	$	65,584	$	(16,102)	$	3,149,773
Investment securities held to maturity
U. S. Treasury securities	$	999	$	36	$	—	$	1,036
Obligations of state and political subdivisions (municipal securities)	1,435,938		110,132		(53)		1,546,018
Residential mortgage-related securities
FNMA / FHLMC	71,872		3,400		—		75,271
GNMA	207,908		7,012		—		214,920
GNMA commercial mortgage-related securities	360,570		11,691		—		372,261
Total investment securities held to maturity	$	2,077,287	$	132,271	$	(53)	$	2,209,505

The amortized cost and fair values of securities available for sale and held to maturity at December 31, 2019 were as follows:

($ in Thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized (Losses)		Fair Value
Investment securities available for sale
Obligations of state and political subdivisions (municipal securities)	$	529,908	$	16,269	$	(18)	$	546,160
Residential mortgage-related securities
FNMA / FHLMC	131,158		1,562		(59)		132,660
GNMA	982,941		3,887		(1,689)		985,139
Commercial mortgage-related securities
FNMA / FHLMC	19,929		1,799		—		21,728
GNMA	1,314,836		7,403		(12,032)		1,310,207
FFELP asset backed securities	270,178		—		(6,485)		263,693
Other debt securities	3,000		—		—		3,000
Total investment securities available for sale	$	3,251,950	$	30,920	$	(20,284)	$	3,262,586
Investment securities held to maturity
U. S. Treasury securities	$	999	$	19	$	—	$	1,018
Obligations of state and political subdivisions (municipal securities)	1,418,569		69,775		(1,118)		1,487,227
Residential mortgage-related securities
FNMA / FHLMC	81,676		1,759		(15)		83,420
GNMA	269,523		1,882		(1,108)		270,296
GNMA commercial mortgage-related securities	434,317		6,308		(6,122)		434,503
Total investment securities held to maturity	$	2,205,083	$	79,744	$	(8,363)	$	2,276,465

Expected maturities may differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties. The expected maturities of investment securities available for sale and held to maturity at June 30, 2020 are shown below:

	Available for Sale					Held to Maturity
($ in Thousands)	Amortized Cost		Fair Value			Amortized Cost		Fair Value
Due in one year or less	$	9,427	$	9,458		$	33,745	$	33,927
Due after one year through five years	83,136		83,882			67,917		69,887
Due after five years through ten years	343,084		360,051			166,553		175,189
Due after ten years	90,327		97,240			1,168,722		1,268,050
Total debt securities	525,975		550,630			1,436,937		1,547,053
Residential mortgage-related securities
FNMA / FHLMC	813,458		818,110			71,872		75,271
GNMA	592,338		605,561			207,908		214,920
Commercial mortgage-related securities
FNMA / FHLMC	19,793		22,061			—		—
GNMA	782,577		803,362			360,570		372,261
Asset backed securities
FFELP	356,532		340,474			—		—
SBA	9,619		9,575			—		—
Total investment securities	$	3,100,291	$	3,149,773		$	2,077,287	$	2,209,505
Ratio of fair value to amortized cost			101.6		%			106.4		%

On a quarterly basis, the Corporation refreshes the credit quality of each held to maturity security. The following table summarizes the credit quality indicators of held to maturity securities at amortized cost at June 30, 2020:

($ in Thousands)	AAA		AA		A		Total
U. S. Treasury securities	$	999	$	—	$	—	$	999
Obligations of state and political subdivisions (municipal securities)	561,670		853,910		20,358		1,435,938
Residential mortgage-related securities
FNMA/FHLMC	71,872		—		—		71,872
GNMA	207,908		—		—		207,908
GNMA commercial mortgage-related securities	360,570		—		—		360,570
Total held to maturity securities	$	1,203,018	$	853,910	$	20,358	$	2,077,287

Investment securities gains (losses), net includes proceeds from the sale of investment securities as well as any applicable write-ups or write-downs of investment securities. The proceeds from the sale of investment securities for the three and six months ended June 30, 2020 and 2019 are shown below:

	Three Months Ended June 30,				Six Months Ended June 30,
($ in Thousands)	2020		2019		2020		2019
Gross gains on available for sale securities	$	3,106	$	654	$	9,304	$	2,334
Gross gains on held to maturity securities	—		—		—		—
Total gains	3,106		654		9,304		2,334
Gross (losses) on available for sale securities	(11)		(13,636)		(90)		(13,636)
Gross (losses) on held to maturity securities	—		—		—		—
Total (losses)	(11)		(13,636)		(90)		(13,636)
Write-up of equity securities without readily determinable fair values	—		13,444		—		13,444
Investment securities gains (losses), net	$	3,096	$	463	$	9,214	$	2,143
Proceeds from sales of investment securities	$	261,037	$	803,105	$	626,276	$	934,228

During the second quarter of 2020, the Corporation sold $261 million of less liquid securities at a gain of $3 million, reinvesting the proceeds into more liquid securities in order to further improve portfolio liquidity. During the first quarter of 2020, the Corporation sold $281 million of primarily prepayment sensitive mortgage-related securities at a gain of $6 million. Additionally, in February 2020, the Corporation sold $84 million of certain securities acquired in the First Staunton acquisition that did not fit the parameters of the Corporation's current investment strategy.

During the first six months of 2019, the Corporation sold $934 million of taxable floating rate ABS and shorter duration MBS, and CMO Agency securities, with the proceeds utilized to pay down borrowings and to reinvest into higher yielding Agency related mortgage securities with slightly longer durations, repositioning the portfolio for a stable to declining rate environment. The Corporation also donated 42,039 shares of Visa Class B restricted shares to the Corporation's Charitable Remainder Trust during the second quarter of 2019, and the subsequent sale of those shares by the Trust resulted in an observable market price. As a result, the Corporation wrote up its remaining 77,000 Visa Class B restricted shares to fair value. Based on the existing transfer restriction and the uncertainty of covered litigation, the shares were previously carried at a zero cost basis.

Investment securities with a carrying value of approximately $1.9 billion and $2.6 billion at June 30, 2020 and December 31, 2019, respectively, were pledged to secure certain deposits or for other purposes as required or permitted by law.

Accrued interest receivable on held to maturity securities totaled $15 million and $16 million at June 30, 2020 and December 31, 2019, respectively. Accrued interest receivable on available for sale securities totaled $9 million and $10 million at June 30, 2020 and December 31, 2019, respectively. Accrued interest receivable on both held to maturity and available for sale securities is included in interest receivable on the consolidated balance sheets. There was no interest income reversed for investments going into nonaccrual at June 30, 2020 or December 31, 2019.

A security is considered past due once it is 30 days contractually past due under the terms of the agreement. At June 30, 2020, the Corporation had no past due held to maturity securities.

The allowance for credit losses on held to maturity securities was approximately $61,000 at June 30, 2020, attributable entirely to the Corporation's municipal securities, included in investment securities held to maturity, net, at amortized cost on the consolidated balance sheets. The Corporation also holds U.S. Treasury and residential mortgage-related securities issued by the U.S. government or a GSE which are backed by the full faith and credit of the U.S. government and, as a result, no allowance for credit losses has been recorded related to these securities.

The following represents gross unrealized losses and the related fair value of investment securities available for sale and held to maturity, aggregated by investment category and length of time individual securities have been in a continuous unrealized loss position, at June 30, 2020:

	Less than 12 months					12 months or more					Total
($ in Thousands)	Number of Securities	Unrealized (Losses)		Fair Value		Number of Securities	Unrealized (Losses)		Fair Value		Unrealized (Losses)		Fair Value
Investment securities available for sale
Obligations of state and political subdivisions (municipal securities)	1	$	—	$	548	—	$	—	$	—	$	—	$	548
FNMA / FHLMC residential mortgage-related securities	5	—		54,893		—	—		—		—		54,893
Asset backed securities
FFELP	9	(5,478)		147,310		17	(10,580)		193,164		(16,058)		340,474
SBA	15	(44)		9,422		—	—		—		(44)		9,422
Total	30	$	(5,522)	$	212,172	17	$	(10,580)	$	193,164	$	(16,102)	$	405,336
Investment securities held to maturity
Obligations of state and political subdivisions (municipal securities)	8	$	(52)	$	12,431	2	$	(1)	$	365	$	(53)	$	12,796
Total	8	$	(52)	$	12,431	2	$	(1)	$	365	$	(53)	$	12,796

For comparative purposes, the following represents gross unrealized losses and the related fair value of investment securities available for sale and held to maturity, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position, at December 31, 2019:

	Less than 12 months					12 months or more					Total
($ in Thousands)	Number of Securities	Unrealized (Losses)		Fair Value		Number of Securities	Unrealized (Losses)		Fair Value		Unrealized (Losses)		Fair Value
Investment securities available for sale
Obligations of state and political subdivisions (municipal securities)	4	$	(18)	$	1,225	—	$	—	$	—	$	(18)	$	1,225
Residential mortgage-related securities
FNMA / FHLMC	—	—		—		4	(59)		34,807		(59)		34,807
GNMA	18	(924)		322,394		3	(766)		79,461		(1,689)		401,856
GNMA commercial mortgage-related securities	22	(810)		258,218		42	(11,222)		621,307		(12,032)		879,524
FFELP asset backed securities	19	(6,092)		250,780		2	(393)		12,913		(6,485)		263,693
Other debt securities	2	—		2,000		—	—		—		—		2,000
Total	65	$	(7,843)	$	834,616	51	$	(12,440)	$	748,487	$	(20,284)	$	1,583,104
Investment securities held to maturity
Obligations of state and political subdivisions (municipal securities)	52	$	(1,105)	$	77,562	6	$	(13)	$	2,378	$	(1,118)	$	79,940
Residential mortgage-related securities
FNMA / FHLMC	1	(6)		1,242		1	(9)		833		(15)		2,075
GNMA	12	(1,059)		187,261		8	(49)		6,587		(1,108)		193,849
GNMA commercial mortgage-related securities	2	(29)		26,202		21	(6,093)		357,733		(6,122)		383,935
Total	67	$	(2,199)	$	292,267	36	$	(6,164)	$	367,532	$	(8,363)	$	659,799

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

Based on the Corporation’s evaluation, management does not believe any available for sale securities in an unrealized loss position at June 30, 2020 represent credit deterioration as these unrealized losses are primarily attributable to changes in interest rates and the current market conditions. The fair value of municipal securities, which pertains to various state and local political subdivisions and school districts, has increased due to the decrease in overall interest rates, resulting in lower unrealized losses at June 30, 2020. The U.S. Treasury 3 year and 5 year rates decreased by 144 bp and 140 bp, respectively, from December 31,

2019. The Corporation does not intend to sell nor does it believe that it will be required to sell the securities in an unrealized loss position before recovery of their amortized cost basis.

FHLB and Federal Reserve Bank stocks: The Corporation is required to maintain Federal Reserve Bank stock and FHLB stock as a member of both the Federal Reserve System and the FHLB, and in amounts as required by these institutions. These equity securities are “restricted” in that they can only be sold back to the respective institutions or another member institution at par. Therefore, they are less liquid than other marketable equity securities and their fair value is equal to amortized cost. At June 30, 2020 and December 31, 2019, the Corporation had FHLB stock of $126 million and $149 million, respectively. The Corporation had Federal Reserve Bank stock of $81 million and $78 million at June 30, 2020 and December 31, 2019, respectively. Accrued interest receivable on FHLB stock totaled $2 million at both June 30, 2020 and December 31, 2019. There was no accrued interest receivable on Federal Reserve Bank stock at either June 30, 2020 or December 31, 2019. Accrued interest receivable on both FHLB stock and Federal Reserve Bank stock is included in interest receivable on the consolidated balance sheets.

Equity Securities

Equity securities with readily determinable fair values: The Corporation's portfolio of equity securities with readily determinable fair values is primarily comprised of CRA Qualified Investment mutual funds. At both June 30, 2020 and December 31, 2019, the Corporation had equity securities with readily determinable fair values of $2 million.

Equity securities without readily determinable fair values: The Corporation's portfolio of equity securities without readily determinable fair values consists of 77,996 Visa Class B restricted shares, 77,000 of which the Corporation received in 2008 as part of Visa's initial public offering and carried at fair value after the Corporation donated 42,039 Visa Class B restricted shares to the Corporation's Charitable Remainder Trust during the second quarter of 2019, with the subsequent sale of those shares resulting in an observable market price after the shares were previously carried at a zero cost basis. During the first quarter of 2020, the Corporation also acquired 996 Visa Class B restricted shares from the acquisition of First Staunton, and those shares are carried at a zero cost basis due to the lack of an observable market price since the time of acquisition. The Corporation had equity securities without readily determinable fair values of $13 million at both June 30, 2020 and December 31, 2019.

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Loans

6 Months Ended

Jun. 30, 2020

Receivables [Abstract]

Loans

Loans

The period end loan composition was as follows:

($ in Thousands)	June 30, 2020		December 31, 2019
PPP	$	1,012,033	$	—
Commercial and industrial	7,968,709		7,354,594
Commercial real estate — owner occupied	914,385		911,265
Commercial and business lending	9,895,127		8,265,858
Commercial real estate — investor	4,174,125		3,794,517
Real estate construction	1,708,189		1,420,900
Commercial real estate lending	5,882,314		5,215,417
Total commercial	15,777,441		13,481,275
Residential mortgage	7,933,518		8,136,980
Home equity	795,671		852,025
Other consumer	326,040		351,159
Total consumer	9,055,230		9,340,164
Total loans	$	24,832,671	$	22,821,440

Accrued interest receivable on loans totaled $60 million at June 30, 2020, and $63 million at December 31, 2019 and is included in interest receivable on the consolidated balance sheets. Interest accrued but not received for loans placed on nonaccrual is reversed against interest income. The amount of accrued interest reversed totaled $1 million for both the three and six months ended June 30, 2020.

The following table presents commercial and consumer loans by credit quality indicator by vintage year at June 30, 2020:

					Term Loans Amortized Cost Basis by Origination Year(a)
($ in Thousands)	Rev Loans Converted to Term(a)		Rev Loans Amortized Cost Basis		YTD 2020		2019		2018		2017		2016		Prior		Total
PPP:(b)
Risk rating:
Pass	$	—	$	—	$	985,462	$	—	$	—	$	—	$	—	$	—	$	985,462
Special Mention	—		—		7,409		—		—		—		—		—		7,409
Potential Problem	—		—		19,161		—		—		—		—		—		19,161
Paycheck Protection Program	$	—	$	—	$	1,012,033	$	—	$	—	$	—	$	—	$	—	$	1,012,033
Commercial and industrial:
Risk rating:
Pass	$	20	$	1,832,797	$	929,266	$	1,759,308	$	1,650,024	$	597,967	$	361,006	$	531,995	$	7,662,364
Special Mention	—		12,802		379		23,783		7,299		15		5,541		17		49,836
Potential Problem(c)	517		12,963		17,235		16,544		66,699		52,176		8,492		2,162		176,270
Nonaccrual(d)	14,465		—		1,597		7,140		188		24,550		16,624		30,141		80,239
Commercial and industrial	$	15,003	$	1,858,562	$	948,477	$	1,806,776	$	1,724,210	$	674,708	$	391,662	$	564,314	$	7,968,709
Commercial real estate - owner occupied:
Risk rating:
Pass	$	1,150	$	17,897	$	94,106	$	213,234	$	131,748	$	121,963	$	166,366	$	111,790	$	857,103
Special Mention	—		—		2,450		16,317		12,776		128		2,439		5,321		39,432
Potential Problem	—		77		661		1,409		1,923		2,461		6,106		3,281		15,919
Nonaccrual	—		—		—		—		223		335		—		1,374		1,932
Commercial real estate - owner occupied	$	1,150	$	17,973	$	97,217	$	230,960	$	146,670	$	124,887	$	174,911	$	121,768	$	914,385
Commercial and business lending:
Risk rating:
Pass	$	1,170	$	1,850,694	$	2,008,834	$	1,972,542	$	1,781,772	$	719,930	$	527,371	$	643,786	$	9,504,929
Special Mention	—		12,802		10,239		40,100		20,075		143		7,979		5,338		96,677
Potential Problem(c)	517		13,040		37,058		17,953		68,622		54,637		14,598		5,443		211,350
Nonaccrual(d)	14,465		—		1,597		7,140		411		24,884		16,624		31,515		82,171
Commercial and business lending	$	16,153	$	1,876,535	$	2,057,727	$	2,037,736	$	1,870,880	$	799,595	$	566,572	$	686,082	$	9,895,127
Commercial real estate - investor:
Risk rating:
Pass	$	—	$	176,047	$	847,031	$	1,083,145	$	836,244	$	378,098	$	400,279	$	288,644	$	4,009,488
Special Mention	—		—		12,886		4,869		17,098		3,686		17,180		9,509		65,228
Potential Problem	—		803		14,703		52,762		3,313		314		1,796		14,547		88,237
Nonaccrual	446		—		395		10,256		446		—		—		75		11,172
Commercial real estate - investor	$	446	$	176,850	$	875,014	$	1,151,033	$	857,101	$	382,098	$	419,255	$	312,775	$	4,174,125
Real estate construction:
Risk rating:
Pass	$	—	$	67,584	$	279,683	$	810,738	$	434,146	$	69,790	$	3,095	$	22,066	$	1,687,100
Special Mention	—		—		—		—		18,402		—		—		12		18,414
Potential Problem	—		—		—		211		358		1,557		—		45		2,170
Nonaccrual	—		—		—		—		—		—		—		503		503
Real estate construction	$	—	$	67,584	$	279,683	$	810,949	$	452,906	$	71,346	$	3,095	$	22,627	$	1,708,189
Commercial real estate lending:
Risk rating:
Pass	$	—	$	243,630	$	1,126,713	$	1,893,883	$	1,270,390	$	447,888	$	403,374	$	310,710	$	5,696,589
Special Mention	—		—		12,886		4,869		35,500		3,686		17,180		9,522		83,643
Potential Problem	—		803		14,703		52,973		3,670		1,870		1,796		14,592		90,407
Nonaccrual	446		—		395		10,256		446		—		—		578		11,675
Commercial real estate lending	$	446	$	244,433	$	1,154,696	$	1,961,982	$	1,310,007	$	453,444	$	422,349	$	335,402	$	5,882,314

					Term Loans Amortized Cost Basis by Origination Year(a)
($ in Thousands)	Rev Loans Converted to Term(a)		Rev Loans Amortized Cost Basis		YTD 2020		2019		2018		2017		2016		Prior		Total
Total commercial:
Risk rating:
Pass	$	1,170	$	2,094,324	$	3,135,547	$	3,866,425	$	3,052,162	$	1,167,818	$	930,746	$	954,496	$	15,201,517
Special Mention	—		12,802		23,125		44,969		55,576		3,829		25,159		14,860		180,320
Potential Problem	517		13,843		51,760		70,927		72,292		56,507		16,393		20,035		301,758
Nonaccrual	14,911		—		1,992		17,397		857		24,884		16,624		32,093		93,846
Total commercial	$	16,599	$	2,120,969	$	3,212,424	$	3,999,718	$	3,180,887	$	1,253,039	$	988,922	$	1,021,484	$	15,777,441
Residential mortgage:
Risk rating:
Pass	$	—	$	90	$	943,953	$	1,726,616	$	766,921	$	1,274,176	$	1,160,820	$	1,990,617	$	7,863,194
Special Mention	—		—		—		—		270		—		36		206		511
Potential Problem	—		—		780		707		205		212		226		1,028		3,157
Nonaccrual	—		—		1,758		3,659		6,953		8,434		10,798		35,055		66,656
Residential mortgage	$	—	$	90	$	946,490	$	1,730,982	$	774,348	$	1,282,822	$	1,171,880	$	2,026,905	$	7,933,518
Home equity:
Risk rating:
Pass	$	2,005	$	631,366	$	1,746	$	16,439	$	21,034	$	15,073	$	7,510	$	88,904	$	782,073
Special Mention	233		199		—		—		16		24		—		610		849
Potential Problem	—		1,775		—		—		—		—		—		146		1,921
Nonaccrual	586		673		297		124		491		387		233		8,623		10,829
Home equity	$	2,824	$	634,013	$	2,044	$	16,564	$	21,541	$	15,484	$	7,743	$	98,282	$	795,671
Other consumer:
Risk rating:
Pass	$	15	$	168,601	$	4,497	$	14,764	$	5,581	$	2,811	$	2,015	$	126,920	$	325,190
Special Mention	1		530		—		30		6		—		—		7		574
Nonaccrual	7		84		10		53		22		—		78		30		276
Other consumer	$	22	$	169,215	$	4,507	$	14,847	$	5,610	$	2,811	$	2,094	$	126,957	$	326,040
Total consumer:
Risk rating:
Pass	$	2,020	$	800,057	$	950,196	$	1,757,820	$	793,537	$	1,292,060	$	1,170,346	$	2,206,441	$	8,970,456
Special Mention	234		729		—		30		292		24		36		823		1,934
Potential Problem	—		1,775		780		707		205		212		226		1,174		5,078
Nonaccrual	593		757		2,065		3,836		7,466		8,821		11,110		43,707		77,761
Total consumer	$	2,846	$	803,318	$	953,041	$	1,762,393	$	801,499	$	1,301,117	$	1,181,717	$	2,252,145	$	9,055,230
Total loans:
Risk rating:
Pass	$	3,190	$	2,894,381	$	4,085,744	$	5,624,245	$	3,845,698	$	2,459,878	$	2,101,091	$	3,160,936	$	24,171,974
Special Mention	234		13,531		23,125		44,999		55,868		3,854		25,195		15,683		182,254
Potential Problem	517		15,618		52,540		71,634		72,497		56,719		16,619		21,209		306,836
Nonaccrual	15,504		757		4,056		21,232		8,323		33,705		27,733		75,800		171,607
Total loans	$	19,445	$	2,924,286	$	4,165,465	$	5,762,111	$	3,982,386	$	2,554,155	$	2,170,639	$	3,273,628	$	24,832,671

(a) Revolving loans converted to term loans are also reported in their year of origination

(b) The Corporation’s policy is to assign risk ratings at the borrower level. PPP loans are 100% guaranteed by the SBA and therefore the Corporation considers these loans to have a risk profile similar to pass rated loans.

(c) Includes $63 million of oil and gas related loans

(d) Includes $50 million of oil and gas related loans

The following table presents commercial and consumer loans by credit quality indicator at December 31, 2019:

($ in Thousands)	Pass		Special Mention		Potential Problem		Nonaccrual		Total
Commercial and industrial	$	7,118,448	$	79,525	$	110,308	$	46,312	$	7,354,594
Commercial real estate - owner occupied	866,193		25,115		19,889		67		911,265
Commercial and business lending	7,984,641		104,641		130,197		46,380		8,265,858
Commercial real estate - investor	3,620,785		139,873		29,449		4,409		3,794,517
Real estate construction	1,420,374		33		—		493		1,420,900
Commercial real estate lending	5,041,159		139,906		29,449		4,902		5,215,417
Total commercial	13,025,800		244,547		159,646		51,282		13,481,275
Residential mortgage	8,077,122		563		1,451		57,844		8,136,980
Home equity	841,757		1,164		—		9,104		852,025
Other consumer	350,260		748		—		152		351,159
Total consumer	9,269,139		2,475		1,451		67,099		9,340,164
Total loans	$	22,294,939	$	247,022	$	161,097	$	118,380	$	22,821,440

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

For commercial loans, management has determined the pass credit quality indicator to include credits exhibiting acceptable financial statements, cash flow, and leverage. If any risk exists, it is mitigated by the loan structure, collateral, monitoring, or control. For consumer loans, performing loans include credits performing in accordance with the original contractual terms. Loans are considered past due if the required principal and interest payments have not been received as of the date such payments were due. Special mention credits have potential weaknesses that deserve management’s attention. If left uncorrected, these potential weaknesses may result in deterioration of the repayment prospects for the credit. Potential problem loans are considered inadequately protected by the current net worth and paying capacity of the obligor or the collateral pledged. These loans generally have a well-defined weakness, or weaknesses, which may jeopardize liquidation of the debt, and are characterized by the distinct possibility the Corporation will sustain some loss if the deficiencies are not corrected. Management has determined commercial loan relationships in nonaccrual status and commercial and consumer loan relationships with their terms restructured in a TDR meet the criteria to be individually evaluated. Commercial loans classified as special mention, potential problem, and nonaccrual are reviewed at a minimum on a quarterly basis, while pass and performing rated credits are generally reviewed on an annual basis or more frequently if the loan renewal is less than one year or if otherwise warranted.

The following table presents loans by past due status at June 30, 2020:

	Accruing
($ in Thousands)	Current(a)		30-59 Days Past Due		60-89 Days Past Due		90 Days or More Past Due		Nonaccrual(b)(c)		Total
PPP	$	1,012,033	$	—	$	—	$	—	$	—	$	1,012,033
Commercial and industrial	7,887,369		274		442		385		80,239		7,968,709
Commercial real estate - owner occupied	912,254		199		—		—		1,932		914,385
Commercial and business lending	9,811,656		473		442		385		82,171		9,895,127
Commercial real estate - investor	4,149,079		2,886		10,989		—		11,172		4,174,125
Real estate construction	1,707,300		373		12		—		503		1,708,189
Commercial real estate lending	5,856,379		3,259		11,001		—		11,675		5,882,314
Total commercial	15,668,035		3,732		11,443		385		93,846		15,777,441
Residential mortgage	7,863,839		2,789		233		—		66,656		7,933,518
Home equity	781,735		2,259		849		—		10,829		795,671
Other consumer	323,201		883		599		1,081		276		326,040
Total consumer	8,968,775		5,932		1,681		1,081		77,761		9,055,230
Total loans	$	24,636,810	$	9,664	$	13,125	$	1,466	$	171,607	$	24,832,671

(a) Any deferred loans related to COVID-19 are considered current in accordance with Section 4013 of the CARES Act.

(b) Of the total nonaccrual loans, $117 million, or 68%, were current with respect to payment at June 30, 2020.

(c) No interest income was recognized on nonaccrual loans for both the three and six months ended June 30, 2020. In addition, there were $91 million of nonaccrual loans for which there was no related ACLL at June 30, 2020.

The following table presents loans by past due status at December 31, 2019:

	Accruing
($ in Thousands)	Current		30-59 Days Past Due		60-89 Days Past Due		90 Days or More Past Due		Nonaccrual(a)		Total
Commercial and industrial	$	7,307,118	$	576	$	245	$	342	$	46,312	$	7,354,594
Commercial real estate - owner occupied	909,828		1,369		—		—		67		911,265
Commercial and business lending	8,216,947		1,945		245		342		46,380		8,265,858
Commercial real estate - investor	3,788,296		1,812		—		—		4,409		3,794,517
Real estate construction	1,420,310		64		33		—		493		1,420,900
Commercial real estate lending	5,208,606		1,876		33		—		4,902		5,215,417
Total commercial	13,425,552		3,821		278		342		51,282		13,481,275
Residential mortgage	8,069,863		8,749		525		—		57,844		8,136,980
Home equity	837,274		4,483		1,164		—		9,104		852,025
Other consumer	347,007		1,135		949		1,917		152		351,159
Total consumer	9,254,144		14,366		2,638		1,917		67,099		9,340,164
Total loans	$	22,679,696	$	18,188	$	2,916	$	2,259	$	118,380	$	22,821,440

(a) Of the total nonaccrual loans, $48 million, or 41%, were current with respect to payment at December 31, 2019.

The following table presents impaired loans individually evaluated under ASC Topic 310, excluding $2 million of purchased credit-impaired loans, at December 31, 2019: 

($ in Thousands)	Recorded Investment		Unpaid Principal Balance		Related Allowance		Average Recorded Investment		Interest Income Recognized
Loans with a related allowance
Commercial and industrial	$	47,249	$	63,346	$	12,010	$	45,290	$	1,832
Commercial real estate — owner occupied	1,676		1,682		19		1,774		88
Commercial and business lending	48,924		65,028		12,029		47,064		1,919
Commercial real estate — investor	928		2,104		15		950		15
Real estate construction	477		559		67		494		30
Commercial real estate lending	1,405		2,663		82		1,445		45
Total commercial	50,329		67,691		12,111		48,509		1,965
Residential mortgage	21,450		22,625		2,740		23,721		856
Home equity	3,076		3,468		1,190		3,756		191
Other consumer	1,247		1,249		125		1,250		1
Total consumer	25,773		27,342		4,055		28,726		1,047
Total loans with a related allowance	$	76,102	$	95,033	$	16,165	$	77,235	$	3,012
Loans with no related allowance
Commercial and industrial	$	14,787	$	33,438	$	—	$	20,502	$	63
Commercial real estate — owner occupied	—		—		—		—		—
Commercial and business lending	14,787		33,438		—		20,502		63
Commercial real estate — investor	3,705		3,705		—		3,980		159
Real estate construction	—		—		—		—		—
Commercial real estate lending	3,705		3,705		—		3,980		159
Total commercial	18,491		37,142		—		24,482		222
Residential mortgage	14,104		14,461		—		10,962		373
Home equity	1,346		1,383		—		1,017		21
Other consumer	—		—		—		—		—
Total consumer	15,450		15,845		—		11,979		394
Total loans with no related allowance	$	33,941	$	52,987	$	—	$	36,462	$	616
Total
Commercial and industrial	$	62,035	$	96,784	$	12,010	$	65,792	$	1,895
Commercial real estate — owner occupied	1,676		1,682		19		1,774		88
Commercial and business lending	63,711		98,466		12,029		67,566		1,982
Commercial real estate — investor	4,633		5,808		15		4,931		174
Real estate construction	477		559		67		494		30
Commercial real estate lending	5,110		6,367		82		5,425		204
Total commercial	68,820		104,833		12,111		72,991		2,186
Residential mortgage	35,554		37,087		2,740		34,683		1,229
Home equity	4,422		4,851		1,190		4,773		211
Other consumer	1,247		1,249		125		1,250		1
Total consumer	41,223		43,187		4,055		40,706		1,441
Total loans(a)	$	110,043	$	148,020	$	16,165	$	113,697	$	3,628

(a) The net recorded investment (defined as recorded investment, net of the related allowance) of the impaired loans represented 63% of the unpaid principal balance at December 31, 2019.

Troubled Debt Restructurings

Loans are considered restructured loans if concessions have been granted to borrowers that are experiencing financial difficulty.

The following table presents nonaccrual and performing restructured loans by loan portfolio:

	June 30, 2020				December 31, 2019
($ in Thousands)	Performing Restructured Loans		Nonaccrual Restructured Loans(a)		Performing Restructured Loans		Nonaccrual Restructured Loans(a)
PPP	$	—	$	—	$	—	$	—
Commercial and industrial	16,321		7,968		16,678		7,376
Commercial real estate — owner occupied	1,441		—		1,676		—
Commercial real estate — investor	114		395		293		—
Real estate construction	313		173		298		179
Residential mortgage	4,178		15,401		3,955		13,035
Home equity	1,717		1,424		1,896		1,904
Other consumer	1,219		—		1,246		1
Total restructured loans(b)	$	25,303	$	25,362	$	26,041	$	22,494

(a) Nonaccrual restructured loans have been included within nonaccrual loans.

(b) Does not include any restructured loans related to COVID-19 in accordance with Section 4013 of the CARES Act.

The Corporation had a recorded investment of $8 million in loans modified in a TDR during the six months ended June 30, 2020, of which $1 million were in accrual status and $7 million were in nonaccrual pending a sustained period of repayment. Short-term loan modifications made in good faith to help ease the adverse effects of COVID-19 are not categorized as TDRs in accordance with regulatory guidance. The following table provides the number of loans modified in a TDR by loan portfolio, the recorded investment and unpaid principal balance for the six months ended June 30, 2020 and 2019:

	Six Months Ended June 30, 2020					Six Months Ended June 30, 2019
($ in Thousands)	Number of Loans	Recorded Investment(a)		Unpaid Principal Balance(b)		Number of Loans	Recorded Investment(a)		Unpaid Principal Balance(b)
PPP	—	$	—	$	—	—	$	—	$	—
Commercial and industrial	2	1,112		1,140		1	196		196
Commercial real estate — owner occupied	1	288		319		—	—		—
Commercial real estate — investor	1	395		1,705		—	—		—
Real estate construction	1	102		102		—	—		—
Residential mortgage	24	5,163		5,237		38	5,665		5,682
Home equity	15	471		483		18	499		506
Other consumer	—	—		—		1	10		10
Total loans modified	44	$	7,531	$	8,986	58	$	6,370	$	6,394

(a) Represents post-modification outstanding recorded investment.

(b) Represents pre-modification outstanding recorded investment.

Restructured loan modifications may include payment schedule modifications, interest rate concessions, maturity date extensions, modification of note structure (A/B Note), non-reaffirmed Chapter 7 bankruptcies, principal reduction, or some combination of these concessions. During the six months ended June 30, 2020, restructured loan modifications of commercial loans primarily included maturity date extensions and payment schedule modifications. Restructured loan modifications of consumer loans primarily included maturity date extensions, interest rate concessions, non-reaffirmed Chapter 7 bankruptcies, or a combination of these concessions for the six months ended June 30, 2020.

The following table provides the number of loans modified in a TDR during the previous twelve months which subsequently defaulted during the six months ended June 30, 2020 and 2019 and the recorded investment in these restructured loans as of June 30, 2020 and 2019:

	Six Months Ended June 30, 2020			Six Months Ended June 30, 2019
($ in Thousands)	Number of Loans	Recorded Investment		Number of Loans	Recorded Investment
Residential mortgage	5	$	1,036	16	$	2,813
Home equity	4	208		14	477
Total loans modified	9	$	1,244	30	$	3,290

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

The Corporation analyzes loans for classification as a probable TDR. This analysis includes identifying customers that are showing possible liquidity issues in the near term without reasonable access to alternative sources of capital. At adoption of ASU 2016-13 on January 1, 2020, the Corporation had $114 million in loans meeting this classification compared to $102 million at June 30, 2020. Of the loans classified as probable TDRs at June 30, 2020, $76 million are within the oil and gas portfolio, while one loan with a balance of $26 million, is in general commercial and business lending.

Allowance for Credit Losses on Loans

The ACLL is comprised of the allowance for loan losses and the allowance for unfunded commitments. The level of the ACLL represents management’s estimate of an amount appropriate to provide for expected lifetime credit losses in the loan portfolio at the balance sheet date. A main factor in the determination of the ACLL is the economic forecast. The Corporation utilized the Moody's baseline forecast, updated during June 2020, in the allowance model. The forecast is applied over a 1 year reasonable and supportable period with immediate reversion to historical long run losses. The Corporation changed the reversion methodology during the first quarter of 2020 from straight-line over 1 year to immediate reversion due to the uncertainty within the economic forecasts due to COVID-19. The allowance for unfunded commitments is maintained at a level believed by management to be sufficient to absorb expected lifetime losses related to unfunded credit facilities (including unfunded loan commitments and letters of credit). See Note 12 for additional information on the change in the allowance for unfunded commitments.

The following table presents a summary of the changes in the ACLL by portfolio segment for the six months ended June 30, 2020:

($ in Thousands)	Dec. 31, 2019		Cumulative effect of ASU 2016-13 adoption (CECL)		Jan. 1, 2020		Charge offs		Recoveries		Net Charge offs		Gross up of allowance for PCD loans at acquisition		Provision recorded at acquisition		Provision for loan losses		June 30, 2020		ACLL / Loans
Allowance for loan losses
PPP	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	808	$	808
Commercial and industrial	91,133		52,919		144,052		(42,183)		2,215		(39,968)		293		408		70,767		175,553
Commercial real estate — owner occupied	10,284		(1,851)		8,433		—		1		1		890		255		736		10,315
Commercial and business lending	101,417		51,068		152,485		(42,183)		2,216		(39,967)		1,183		663		72,311		186,676
Commercial real estate — investor	40,514		2,041		42,555		(140)		168		28		753		472		14,713		58,520
Real estate construction	24,915		7,467		32,382		(19)		27		8		435		492		5,076		38,393
Commercial real estate lending	65,428		9,508		74,937		(159)		195		36		1,188		964		19,789		96,913
Total commercial	166,846		60,576		227,422		(42,342)		2,412		(39,931)		2,371		1,627		92,101		283,590
Residential mortgage	16,960		33,215		50,175		(1,301)		174		(1,127)		651		403		(6,276)		43,825
Home equity	10,926		11,649		22,575		(1,213)		981		(232)		422		374		(1,677)		21,462
Other consumer	6,639		7,016		13,655		(2,802)		562		(2,240)		61		140		3,309		14,926
Total consumer	34,525		51,880		86,405		(5,316)		1,717		(3,599)		1,134		917		(4,644)		80,213
Total loans	$	201,371	$	112,457	$	313,828	$	(47,659)	$	4,129	$	(43,530)	$	3,504	$	2,543	$	87,457	$	363,803
Allowance for unfunded commitments
PPP	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Commercial and industrial	12,276		(3,998)		8,278		—		—		—		—		61		11,261		19,601
Commercial real estate — owner occupied	127		—		127		—		—		—		—		4		93		224
Commercial and business lending	12,403		(3,998)		8,405		—		—		—		—		65		11,354		19,824
Commercial real estate — investor	530		246		776		—		—		—		—		2		(227)		550
Real estate construction	7,532		18,347		25,879		—		—		—		—		45		11,956		37,880
Commercial real estate lending	8,062		18,593		26,655		—		—		—		—		47		11,729		38,430
Total commercial	20,465		14,595		35,060		—		—		—		—		112		23,084		58,256
Home equity	1,038		2,591		3,629		—		—		—		—		66		152		3,846
Other consumer	405		1,504		1,909		—		—		—		—		—		766		2,675
Total consumer	1,443		4,095		5,538		—		—		—		—		66		917		6,522
Total loans	$	21,907	$	18,690	$	40,597	$	—	$	—	$	—	$	—	$	179	$	24,000	$	64,776
Allowance for credit losses on loans
PPP	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	808	$	808	0.08	%
Commercial and industrial	103,409		48,921		152,330		(42,183)		2,215		(39,968)		293		469		82,028		195,155		2.45	%
Commercial real estate — owner occupied	10,411		(1,851)		8,560		—		1		1		890		259		829		10,538		1.15	%
Commercial and business lending	113,820		47,070		160,890		(42,183)		2,216		(39,967)		1,183		728		83,666		206,501		2.09	%
Commercial real estate — investor	41,044		2,287		43,331		(140)		168		28		753		474		14,486		59,070		1.42	%
Real estate construction	32,447		25,814		58,261		(19)		27		8		435		537		17,032		76,273		4.47	%
Commercial real estate lending	73,490		28,101		101,591		(159)		195		36		1,188		1,011		31,518		135,343		2.30	%
Total commercial	187,311		75,171		262,482		(42,342)		2,412		(39,931)		2,371		1,739		115,184		341,844		2.17	%
Residential mortgage	16,960		33,215		50,175		(1,301)		174		(1,127)		651		403		(6,277)		43,826		0.55	%
Home equity	11,964		14,240		26,204		(1,213)		981		(232)		422		440		(1,526)		25,308		3.18	%
Other consumer	7,044		8,520		15,564		(2,802)		562		(2,240)		61		140		4,076		17,601		5.40	%
Total consumer	35,968		55,975		91,943		(5,316)		1,717		(3,599)		1,134		983		(3,727)		86,735		0.96	%
Total loans	$	223,278	$	131,147	$	354,425	$	(47,659)	$	4,129	$	(43,530)	$	3,504	$	2,722	$	111,457	$	428,579	1.73	%

The following table presents details of the allowance for loan losses segregated by loan portfolio segment as of December 31, 2019, calculated in accordance with prior incurred loss methodology applicable under ASC Topic 310:

($ in Thousands)	December 31, 2018		Charge offs		Recoveries		Net Charge offs		Provision for loan losses		December 31, 2019
Allowance for loan losses
Commercial and industrial	$	108,835	$	(63,315)	$	11,875	$	(51,441)	$	33,738	$	91,133
Commercial real estate — owner occupied	9,255		(222)		2,795		2,573		(1,543)		10,284
Commercial and business lending	118,090		(63,537)		14,670		(48,868)		32,195		101,417
Commercial real estate — investor	40,844		—		31		31		(361)		40,514
Real estate construction	28,240		(60)		302		243		(3,568)		24,915
Commercial real estate lending	69,084		(60)		333		274		(3,929)		65,429
Total commercial	187,174		(63,597)		15,003		(48,594)		28,266		166,846
Residential mortgage	25,595		(3,322)		692		(2,630)		(6,005)		16,960
Home equity	19,266		(1,846)		2,599		753		(9,093)		10,926
Other consumer	5,988		(5,548)		868		(4,681)		5,332		6,639
Total consumer	50,849		(10,716)		4,159		(6,558)		(9,766)		34,525
Total loans	$	238,023	$	(74,313)	$	19,161	$	(55,152)	$	18,500	$	201,371

A summary of the individually and collectively evaluated loans by portfolio segment at December 31, 2019, was as follows:

	Allowance for loan losses						Loans
($ in Thousands)	Individually evaluated for impairment		Collectively evaluated for impairment		Total allowance for loan losses		Individually evaluated for impairment		Collectively evaluated for impairment		Acquired and accounted for under ASC 310-30(a)		Total loans
Commercial and industrial	$	12,010	$	79,123	$	91,133	$	62,035	$	7,292,217	$	342	$	7,354,594
Commercial real estate — owner occupied	19		10,265		10,284		1,676		909,010		579		911,265
Commercial and business lending	12,029		89,388		101,417		63,711		8,201,227		921		8,265,858
Commercial real estate — investor	15		40,498		40,514		4,633		3,789,755		129		3,794,517
Real estate construction	67		24,848		24,915		477		1,420,416		7		1,420,900
Commercial real estate lending	82		65,346		65,429		5,110		5,210,171		136		5,215,417
Total commercial	12,111		154,734		166,846		68,821		13,411,398		1,057		13,481,275
Residential mortgage	2,740		14,220		16,960		35,554		8,100,958		469		8,136,980
Home equity	1,190		9,737		10,926		4,422		847,577		26		852,025
Other consumer	125		6,514		6,639		1,247		349,912		—		351,159
Total consumer	4,055		30,471		34,525		41,223		9,298,447		495		9,340,164
Total loans	$	16,165	$	185,205	$	201,371	$	110,043	$	22,709,845	$	1,552	$	22,821,440

(a) Loans acquired in business combinations and accounted for under ASC Subtopic 310-30 "Receivables — Loans and Debt Securities Acquired with Deteriorated Credit Quality."

Loans Acquired in Acquisitions

Loans acquired in a business combination after January 1, 2020 are recorded in accordance with ASC Topic 326. See Note 2 Acquisitions and Dispositions for more information on loans acquired in a business combination. After January 1, 2020, acquired loans were segregated into two types:

•PCD loans are loans demonstrating more than insignificant credit deterioration since origination and are accounted for with ASC 326-30. Under this guidance, the credit mark on acquired assets grosses up the allowance for loan losses and the amortized cost of the loan.

•Non-PCD loans are accounted for in accordance with ASC Topic 310-20 "Nonrefundable Fees and Other Costs" as these loans do not show evidence of credit deterioration since origination.

Loans acquired in a business combination prior to January 1, 2020 were recorded at estimated fair value on their purchase date without a carryover of the related allowance for loan losses. Prior to January 1, 2020, acquired loans were segregated into two types:

•Performing loans were accounted for in accordance with ASC Topic 310-20 "Nonrefundable Fees and Other Costs" as these loans do not have evidence of credit deterioration since origination.

•Nonperforming loans were accounted for in accordance with ASC Topic 310-30 as they displayed significant credit deterioration since origination.

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Goodwill and Other Intangible Assets

6 Months Ended

Jun. 30, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Other Intangible Assets

Goodwill and Other Intangible Assets

Goodwill

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

The Corporation conducted its most recent annual impairment testing in May 2020, utilizing a quantitative assessment to compare the fair value of each reporting unit with its carrying amount, including goodwill. An impairment loss is recognized if the carrying amount of a reporting unit exceeds its fair value. Based on the quantitative assessment, management concluded that the estimated fair value exceeded the carrying value (including goodwill) for each reporting unit. Therefore, based on the step one quantitative analysis, no impairment was required. There have been no events since the May 2020 impairment testing that have changed the Corporation's impairment assessment conclusion. There were no impairment charges recorded in 2019 or the first six months of 2020.

At June 30, 2020 and December 31, 2019, the Corporation had goodwill of $1.1 billion and $1.2 billion, respectively. There was an increase of $15 million during the first quarter of 2020 with a subsequent reduction of $2 million due to adjustments that were made to goodwill relating to the First Staunton acquisition, and an $82 million reduction related to the disposition of ABRC.

Other Intangible Assets

The Corporation has other intangible assets that are amortized, consisting of CDIs, other intangibles, and MSRs. Other intangibles decreased $19 million from December 31, 2019, primarily driven by a $17 million decrease due to the disposition of ABRC. For CDIs and other intangibles, changes in the gross carrying amount, accumulated amortization, and net book value were as follows:

($ in Thousands)	Six Months Ended June 30, 2020		Year Ended December 31, 2019
Core deposit intangibles
Gross carrying amount at the beginning of the year	$	80,730	$	58,100
Additions during the period	7,379		22,630
Accumulated amortization	(16,800)		(12,456)
Net book value	$	71,309	$	68,274
Amortization during the year	$	4,344	$	7,130
Other intangibles
Gross carrying amount at the beginning of the year	$	38,970	$	44,887
Additions during the period	200		—
Reductions due to sale	(17,435)		(217)
Accumulated amortization	(20,285)		(24,643)
Net book value	$	1,450	$	20,027
Amortization during the year	$	1,343	$	2,818

Mortgage Servicing Rights

The Corporation sells residential mortgage loans in the secondary market and typically retains the right to service the loans sold. MSRs are amortized in proportion to and over the period of estimated net servicing income and assessed for impairment at each reporting date.

The Corporation evaluates its MSRs asset for impairment at minimum on a quarterly basis. Impairment is assessed based on fair value at each reporting date using estimated prepayment speeds of the underlying mortgage loans serviced and stratifications based on the risk characteristics of the underlying loans (predominantly loan type and note interest rate). As mortgage interest rates fall, prepayment speeds are usually faster and the value of the MSRs asset generally decreases, requiring additional valuation reserve. Conversely, as mortgage interest rates rise, prepayment speeds are usually slower and the value of the MSRs asset generally increases, requiring less valuation reserve. A valuation allowance is established, through a charge to earnings, to the extent the amortized cost of the MSRs exceeds the estimated fair value by stratification. During the first half of 2020, the Corporation recognized temporary impairment of $17 million driven by decreasing interest rates. If it is later determined that all or a portion of the temporary impairment no longer exists for a stratification, the valuation is reduced through a recovery to

earnings. An other-than-temporary impairment (i.e., recoverability is considered remote when considering interest rates and loan pay off activity) is recognized as a write-down of the MSRs asset and the related valuation allowance (to the extent a valuation allowance is available) and then against earnings. A direct write-down permanently reduces the carrying value of the MSRs asset and valuation allowance, precluding subsequent recoveries. See Note 12 for a discussion of the recourse provisions on sold residential mortgage loans. See Note 13 which further discusses fair value measurement relative to the MSRs asset.

A summary of changes in the balance of the MSRs asset and the MSRs valuation allowance is as follows:

($ in Thousands)	Six Months Ended June 30, 2020			Year Ended December 31, 2019
Mortgage servicing rights
Mortgage servicing rights at beginning of period	$	67,607		$	68,433
Additions from acquisition	1,357			—
Additions	7,812			11,606
Amortization	(10,043)			(12,432)
Mortgage servicing rights at end of period	$	66,734		$	67,607
Valuation allowance at beginning of period	$	(302)		$	(239)
(Additions) recoveries, net	(17,029)			(63)
Valuation allowance at end of period	$	(17,331)		$	(302)
Mortgage servicing rights, net	$	49,403		$	67,306
Fair value of mortgage servicing rights	$	49,423		$	72,532
Portfolio of residential mortgage loans serviced for others (“servicing portfolio”)	$	8,454,204		$	8,488,969
Mortgage servicing rights, net to servicing portfolio	0.58		%	0.79		%
Mortgage servicing rights expense(a)	$	27,072		$	12,494

(a) Includes the amortization of mortgage servicing rights and additions / recoveries to the valuation allowance of mortgage servicing rights, and is a component of mortgage banking, net on the consolidated statements of income.

The projections of amortization expense are based on existing asset balances, the current interest rate environment, and prepayment speeds as of June 30, 2020. The actual amortization expense the Corporation recognizes in any given period may be significantly different depending upon acquisition or sale activities, changes in interest rates, prepayment speeds, market conditions, regulatory requirements, and events or circumstances that indicate the carrying amount of an asset may not be recoverable. The following table shows the estimated future amortization expense for amortizing intangible assets:

($ in Thousands)	Core Deposit Intangibles		Other Intangibles		Mortgage Servicing Rights
Six Months Ending December 31, 2020	$	4,405	$	100	$	7,676
2021	8,811		200		14,970
2022	8,811		200		10,982
2023	8,811		200		8,269
2024	8,811		200		6,409
2025	8,811		200		5,082
Beyond 2025	22,849		350		13,346
Total Estimated Amortization Expense	$	71,309	$	1,450	$	66,734

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Short and Long-Term Funding

6 Months Ended

Jun. 30, 2020

Debt Disclosure [Abstract]

Short and Long-Term Funding

Short and Long-Term Funding

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

($ in Thousands)	June 30, 2020		December 31, 2019
Short-Term Funding
Federal funds purchased	$	3,430	$	362,000
Securities sold under agreements to repurchase	138,863		71,097
Federal funds purchased and securities sold under agreements to repurchase	142,293		433,097
Commercial paper	39,535		32,016
Total short-term funding	$	181,828	$	465,113
Long-Term Funding
Bank senior notes, at par, due 2021	$	300,000	$	300,000
Corporation subordinated notes, at par, due 2025	250,000		250,000
PPPLF	1,009,760		—
Finance leases	1,202		2,209
Capitalized costs	(2,265)		(2,866)
Total long-term funding	1,558,698		549,343
Total short and long-term funding, excluding FHLB advances	$	1,740,525	$	1,014,456
FHLB Advances
Short-term FHLB advances	$	—	$	520,000
Long-term FHLB advances	2,657,016		2,660,967
Total FHLB advances	$	2,657,016	$	3,180,967
Total short and long-term funding	$	4,397,542	$	4,195,422

Securities Sold Under Agreements to Repurchase ("Repurchase Agreements")

The Corporation enters into agreements under which it sells securities subject to an obligation to repurchase the same or similar securities. Under these arrangements, the Corporation may transfer legal control over the assets but still retain effective control through an agreement that both entitles and obligates the Corporation to repurchase the assets. The obligation to repurchase the securities is reflected as a liability on the Corporation’s consolidated balance sheets, while the securities underlying the repurchase agreements remain in the respective investment securities asset accounts (i.e., there is no offsetting or netting of the investment securities assets with the repurchase agreement liabilities). See Note 11 for additional disclosures on balance sheet offsetting.

The Corporation utilizes securities sold under agreements to repurchase to facilitate the needs of its customers. As of June 30, 2020, the Corporation pledged agency mortgage-related securities with a fair value of $203 million as collateral for the repurchase agreements. Securities pledged as collateral under repurchase agreements are maintained with the Corporation's safekeeping agents and are monitored on a daily basis due to the market risk of fair value changes in the underlying securities. The Corporation generally pledges excess securities to ensure there is sufficient collateral to satisfy short-term fluctuations in both the repurchase agreement balances and the fair value of the underlying securities.

The remaining contractual maturity of the securities sold under agreements to repurchase on the consolidated balance sheets as of June 30, 2020 and December 31, 2019 are presented in the following table:

	Remaining Contractual Maturity of the Agreements
($ in Thousands)	Overnight and Continuous		Up to 30 days		30-90 days		Greater than 90 days		Total
June 30, 2020
Repurchase agreements
Agency mortgage-related securities	$	138,863	$	—	$	—	$	—	$	138,863
Total	$	138,863	$	—	$	—	$	—	$	138,863
December 31, 2019
Repurchase agreements
Agency mortgage-related securities	$	71,097	$	—	$	—	$	—	$	71,097
Total	$	71,097	$	—	$	—	$	—	$	71,097

Long-Term Funding

Senior Notes 

In August 2018, the Bank issued $300 million of senior notes, due August 2021, and callable July 2021. The senior notes have a fixed coupon interest rate of 3.50% and were issued at a discount.

Subordinated Notes 

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

Paycheck Protection Program Liquidity Facility

In connection with the funding of PPP loans, the Corporation has utilized the PPPLF. These borrowings from the Federal Reserve Bank match the term of the underlying loan, which has been pledged to secure the borrowings, with original terms of two or five years. The rate of this funding is 0.35%. The Corporation expects the PPP loans to pay down mostly in the fourth quarter of 2020 and early 2021 with the funding paying down during that same timeframe, therefore the expected maturity is less than the contractual terms of two or five years.

Finance Leases

In connection with the construction of new branches in Oshkosh and Eau Claire, Wisconsin, the Corporation entered into land leases with options to purchase the underlying land for a fixed price, which the Corporation now expects to exercise. The finance leases have fixed interest rates of approximately 1.00%. See Note 18 for additional disclosure regarding the Corporation’s leases.

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Derivative and Hedging Activities

6 Months Ended

Jun. 30, 2020

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Derivative and Hedging Activities

Derivative and Hedging Activities

The Corporation is exposed to certain risk arising from both its business operations and economic conditions. The Corporation principally manages its exposures to a wide variety of business and operational risks through management of its core business activities. The Corporation manages economic risks, including interest rate, liquidity, and credit risk primarily by managing the amount, sources, and duration of its assets and liabilities and the use of derivative financial instruments. Specifically, the Corporation enters into derivative financial instruments to manage exposures that arise from business activities that result in the receipt or payment of future known and uncertain cash amounts, the value of which are determined by interest rates. The Corporation's derivative financial instruments are used to manage differences in the amount, timing, and duration of the Corporation's known or expected cash receipts and its known or expected cash payments principally related to the Corporation's assets.

The contract or notional amount of a derivative is used to determine, along with the other terms of the derivative, the amounts to be exchanged between the counterparties. The Corporation is exposed to credit risk in the event of nonperformance by counterparties to financial instruments. To mitigate the counterparty risk, contracts generally contain language outlining collateral pledging requirements for each counterparty. For non-centrally cleared derivatives, collateral must be posted when the market value exceeds certain mutually agreed upon threshold limits. Securities and cash are often pledged as collateral. The Corporation pledged $73 million of investment securities as collateral at June 30, 2020, and pledged $57 million of investment securities as collateral at December 31, 2019. At June 30, 2020, the Corporation posted $38 million of cash collateral compared to $14 million at December 31, 2019.

Federal regulations require the Corporation to clear all LIBOR interest rate swaps through a clearing house, if possible. For derivatives cleared through central clearing houses, the variation margin payments are legally characterized as daily settlements of the derivative rather than collateral. The Corporation's clearing agent for interest rate derivative contracts that are centrally cleared through the Chicago Mercantile Exchange (CME) and the London Clearing House (LCH) settles the variation margin daily. As a result, the variation margin payment and the related derivative instruments are considered a single unit of account for accounting and financial reporting purposes. Depending on the net position, the fair value is reported in other assets or accrued expenses and other liabilities on the consolidated balance sheets. The daily settlement of the derivative exposure does not change or reset the contractual terms of the instrument.

Fair Value Hedges of Interest Rate Risk

The Corporation is exposed to changes in the fair value of certain of its pools of prepayable fixed-rate assets due to changes in benchmark interest rates. The Corporation used interest rate swaps to manage its exposure to changes in fair value on these instruments attributable to changes in the designated benchmark interest rate. Interest rate swaps designated as fair value hedges involved the payment of fixed-rate amounts to a counterparty in exchange for the Corporation receiving variable-rate payments over the life of the agreements without the exchange of the underlying notional amount. For derivatives designated and that qualify as fair value hedges, the gain or loss on the derivative as well as the offsetting loss or gain on the hedged item attributable to the hedged risk were recognized in interest income. During the fourth quarter of 2019, the Corporation terminated the outstanding fair value hedges.

Derivatives to Accommodate Customer Needs

The Corporation also facilitates customer borrowing activity by entering into various derivative contracts which are designated as free standing derivative contracts. Free standing derivative products are entered into primarily for the benefit of commercial customers seeking to manage their exposures to interest rate risk, foreign currency, and commodity prices. These derivative contracts are not designated against specific assets and liabilities on the consolidated balance sheets or forecasted transactions and, therefore, do not qualify for hedge accounting treatment. Such derivative contracts are carried at fair value in other assets and accrued expenses and other liabilities on the consolidated balance sheets with changes in the fair value recorded as a component of capital markets, net, and typically include interest rate-related instruments (swaps and caps), foreign currency exchange forwards, and commodity contracts. See Note 11 for additional information and disclosures on balance sheet offsetting.

Interest rate-related instruments: The Corporation provides interest rate risk management services to commercial customers, primarily forward interest rate swaps and caps. The Corporation’s market risk from unfavorable movements in interest rates related to these derivative contracts is generally economically hedged by concurrently entering into offsetting derivative contracts. The offsetting derivative contracts have identical notional values, terms, and indices.

Foreign currency exchange forwards: The Corporation provides foreign currency exchange services to customers, primarily forward contracts. The Corporation's customers enter into a foreign currency exchange forward with the Corporation as a means for them to mitigate exchange rate risk. The Corporation mitigates its risk by then entering into an offsetting foreign currency exchange derivative contract.

Commodity contracts: Commodity contracts are entered into primarily for the benefit of commercial customers seeking to manage their exposure to fluctuating commodity prices. The Corporation mitigates its risk by then entering into an offsetting commodity derivative contract.

Mortgage Derivatives

Interest rate lock commitments to originate residential mortgage loans held for sale and forward commitments to sell residential mortgage loans are considered derivative instruments, and the fair value of these commitments is recorded in other assets and accrued expenses and other liabilities on the consolidated balance sheets with the changes in fair value recorded as a component of mortgage banking, net.

The following table presents the total notional amounts and gross fair values of the Company’s derivatives, as well as the balance sheet netting adjustments as of June 30, 2020 and December 31, 2019. The derivative assets and liabilities are presented on a gross basis prior to the application of bilateral collateral and master netting agreements, but after the variation margin payments with central clearing organizations have been applied as settlement, as applicable. Total derivative assets and liabilities are adjusted to take into consideration the effects of legally enforceable master netting agreements and cash collateral received or paid as of June 30, 2020 and December 31, 2019. The resulting net derivative asset and liability fair values are included in other assets and accrued expenses and other liabilities, respectively, on the consolidated balance sheets.

	June 30, 2020								December 31, 2019
	Asset				Liability				Asset				Liability
($ in Thousands)	Notional Amount		Fair Value		Notional Amount		Fair Value		Notional Amount		Fair Value		Notional Amount		Fair Value
Not designated as hedging instruments
Interest rate-related instruments	$	3,564,015	$	238,003	$	3,564,015	$	31,472	$	3,029,877	$	77,024	$	3,029,877	$	13,073
Foreign currency exchange forwards	337,015		4,200		290,557		4,102		272,636		4,226		264,653		4,048
Commodity contracts	163,307		38,543		158,756		36,998		255,089		20,528		255,165		19,624
Mortgage banking(a)	299,330		12,837		393,184		1,293		255,291		2,527		263,000		710
Gross derivatives before netting			$	293,583			$	73,865			$	104,305			$	37,455
Less: Legally enforceable master netting agreements			1,586				1,586				10,410				10,410
Less: Cash collateral pledged/received			36,234				32,285				1,408				11,365
Total derivative instruments, after netting			$	255,763			$	39,994			$	92,487			$	15,680

(a) Mortgage derivative assets include interest rate lock commitments and mortgage derivative liabilities include forward commitments.

The Corporation terminated its $500 million fair value hedge during the fourth quarter of 2019. At June 30, 2020, the amortized cost basis of the closed portfolios which had previously been used in the terminated hedging relationship was $751 million and is included in loans and investment securities, available for sale, at fair value on the consolidated balance sheets. This amount includes $4 million of hedging adjustments on the discontinued hedging relationships.

The table below identifies the effect of fair value hedge accounting on the Corporation's consolidated statements of income for the three and six months ended June 30, 2020 and 2019:

	Location and Amount of Gain or (Loss) Recognized in Income on Fair Value and Cash Flow Hedging Relationships
	Three Months Ended June 30,								Six Months Ended June 30,
	2020				2019				2020				2019
($ in Thousands)	Interest Income		Other Income (Expense)		Interest Income		Other Income (Expense)		Interest Income		Other Income (Expense)		Interest Income		Other Income (Expense)
Total amounts of income and expense line items presented on the consolidated statements of income in which the effects of the fair value hedge is recorded	$	(542)	$	—	$	53	$	—	$	(864)	$	(262)	$	219	$	—
The effects of fair value hedging: Gain or (loss) on fair value hedging relationships in Subtopic 815-20
Interest contracts
Hedged items	(542)		—		4,165		—		(864)		(262)		6,222		—
Derivatives designated as hedging instruments(a)	—		—		(4,112)		—		—		—		(6,003)		—

(a) Includes net settlements on the derivatives.

The table below identifies the effect of derivatives not designated as hedging instruments on the Corporation's consolidated statements of income for the three and six months ended June 30, 2020 and 2019:

	Consolidated Statements of Income Category of Gain / (Loss)  Recognized in Income	Three Months Ended June 30,				Six Months Ended June 30,
($ in Thousands)		2020		2019		2020		2019
Derivative Instruments
Interest rate-related instruments — customer and mirror, net	Capital markets, net	$	(65)	$	(1,018)	$	(3,155)	$	(1,690)
Foreign currency exchange forwards	Capital markets, net	41		186		(81)		212
Commodity contracts	Capital markets, net	(105)		(1,678)		641		(2,245)
Interest rate lock commitments (mortgage)	Mortgage banking, net	382		1,837		10,310		2,661
Forward commitments (mortgage)	Mortgage banking, net	9,679		(78)		(582)		169

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Balance Sheet Offsetting

6 Months Ended

Jun. 30, 2020

Offsetting [Abstract]

Balance Sheet Offsetting

Balance Sheet Offsetting

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

The Corporation enters into interest rate-related instruments to facilitate the interest rate risk management strategies of commercial customers, commodity contracts to manage commercial customers' exposure to fluctuating commodity prices, and foreign exchange forwards to manage customers' exposure to fluctuating foreign exchange rates. The Corporation mitigates these risks by entering into equal and offsetting agreements with highly rated third-party financial institutions. The Corporation is party to master netting arrangements with its financial institution counterparties that create single net settlements of all legal claims or obligations to pay or receive the net amount of settlement of the individual interest, commodity, and foreign exchange agreements. Collateral, usually in the form of investment securities and cash, is posted by the counterparty with net liability positions in accordance with contract thresholds. Derivatives subject to a legally enforceable master netting agreement are reported on a net basis, net of cash collateral, in other assets and accrued expenses and other liabilities, on the face of the consolidated balance sheets. See Note 10 for additional information on the Corporation’s derivative and hedging activities.

Securities Sold Under Agreements to Repurchase (“Repurchase Agreements”)

The Corporation enters into agreements under which it sells securities subject to an obligation to repurchase the same or similar securities. These repurchase agreements are accounted for as collateralized financing arrangements (i.e., secured borrowings) and not as a sale and subsequent repurchase of securities (i.e., there is no offsetting or netting of the investment securities assets with the repurchase agreement liabilities). The right of set-off for a repurchase agreement resembles a secured borrowing, whereby the collateral would be used to settle the fair value of the repurchase agreement should the Corporation be in default (e.g., fails to make an interest payment to the counterparty). In addition, the Corporation does not enter into reverse repurchase agreements; therefore, there is no such offsetting to be done with the repurchase agreements. See Note 9 for additional disclosures on repurchase agreements.

The following table presents the interest rate, commodity, and foreign exchange assets and liabilities subject to an enforceable master netting arrangement. The interest, commodity and foreign exchange agreements the Corporation has with its commercial customers are not subject to an enforceable master netting arrangement and are therefore excluded from this table:

	Gross Amounts Recognized		Gross Amounts Subject to Master Netting Arrangements Offset on the Consolidated Balance Sheets				Net Amounts Presented on the Consolidated Balance Sheets		Investment Securities Received
($ in Thousands)			Derivative Assets Offset		Cash Collateral Received						Net amount
Derivative assets
June 30, 2020	$	38,569	$	(1,586)	$	(36,234)	$	749	$	—	$	749
December 31, 2019	11,864		(10,410)		(1,408)		45		—		45
	Gross Amounts Recognized		Gross Amounts Subject to Master Netting Arrangements Offset on the Consolidated Balance Sheets				Net Amounts Presented on the Consolidated Balance Sheets		Investment Securities Pledged
($ in Thousands)			Derivative Liabilities Offset		Cash Collateral Pledged						Net amount
Derivative liabilities
June 30, 2020	$	34,434	$	(1,586)	$	(32,285)	$	564	$	—	$	564
December 31, 2019	22,189		(10,410)		(11,365)		413		—		413

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

6 Months Ended

Jun. 30, 2020

Commitments and Contingencies Disclosure [Abstract]

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

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

The Corporation utilizes a variety of financial instruments in the normal course of business to meet the financial needs of its customers and to manage its own exposure to fluctuations in interest rates. These financial instruments include lending-related and other commitments (see below) as well as derivative instruments (see Note 10). The following is a summary of lending-related commitments:

($ in Thousands)	June 30, 2020		December 31, 2019
Commitments to extend credit, excluding commitments to originate residential mortgage loans held for sale(a)(b)	$	9,580,338	$	9,024,412
Commercial letters of credit(a)	6,123		7,081
Standby letters of credit(c)	265,223		277,969

(a) These off-balance sheet financial instruments are exercisable at the market rate prevailing at the date the underlying transaction will be completed and, thus, are deemed to have no current fair value, or the fair value is based on fees currently charged to enter into similar agreements and was not material at June 30, 2020 or December 31, 2019.

(b) Interest rate lock commitments to originate residential mortgage loans held for sale are considered derivative instruments and are disclosed in Note 10.

(c) The Corporation has established a liability of $3 million for both June 30, 2020 and December 31, 2019, as an estimate of the fair value of these financial instruments.

Lending-related Commitments

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

($ in Thousands)	Six Months Ended June 30, 2020		Year Ended December 31, 2019
Allowance for Unfunded Commitments
Balance at beginning of period	$	21,907	$	24,336
Cumulative effect of ASU 2016-13 adoption (CECL)	18,690		N/A
Balance at beginning of period, adjusted	40,597		24,336
Provision for unfunded commitments	24,000		(2,500)
Amount recorded at acquisition	179		70
Balance at end of period	$	64,776	$	21,907

The increase is a result of the Day 1 modified retrospective adjustment of $19 million for the adoption of ASU 2016-13. In addition, there was a $24 million increase to the provision for unfunded commitments driven by the expected impact of the COVID-19 pandemic within the economic models used in the new expected credit loss methodology. See Note 3 and Note 7 of the notes to consolidated financial statements for additional information on the adoption of ASU 2016-13 and the allowance for unfunded commitments.

Lending-related commitments include commitments to extend credit, commitments to originate residential mortgage loans held for sale, commercial letters of credit, and standby letters of credit. Commitments to extend credit are legally binding agreements to lend to customers at predetermined interest rates, as long as there is no violation of any condition established in the contracts. Interest rate lock commitments to originate residential mortgage loans held for sale and forward commitments to sell residential mortgage loans are considered derivative instruments, and the fair value of these commitments are recorded on the consolidated balance sheets. The Corporation’s derivative and hedging activity is further described in Note 10. Commercial and standby letters of credit are conditional commitments issued to guarantee the performance of a customer to a third party. Commercial letters of credit are issued specifically to facilitate commerce and typically result in the commitment being drawn on when the underlying transaction is consummated between the customer and the third party, while standby letters of credit generally are contingent upon the failure of the customer to perform according to the terms of the underlying contract with the third party.

Other Commitments

The Corporation invests in qualified affordable housing projects, federal and state historic projects, new market projects, and opportunity zone funds for the purpose of community reinvestment and obtaining tax credits and other tax benefits. Return on the Corporation's investment in these projects and funds comes in the form of the tax credits and tax losses that pass through to the Corporation and deferral or elimination of capital gain recognition for tax purposes. The aggregate carrying value of these investments at June 30, 2020 was $274 million, compared to $248 million at December 31, 2019, included in tax credit and other investments on the consolidated balance sheets. The Corporation utilizes the proportional amortization method to account for investments in qualified affordable housing projects.

Under the proportional amortization method, the Corporation amortizes the initial cost of the investment in proportion to the tax credits and other tax benefits. The Corporation recognized additional income tax expense attributable to the amortization of investments in qualified affordable housing projects of $12 million and $10 million for the six months ended June 30, 2020 and 2019, respectively, and $6 million and $5 million for the three months ended June 30, 2020 and 2019, respectively. The Corporation's remaining investment in qualified affordable housing projects accounted for under the proportional amortization method totaled $262 million at June 30, 2020 and $234 million at December 31, 2019.

The Corporation’s unfunded equity contributions relating to investments in qualified affordable housing, federal and state historic projects, and new market projects are recorded in accrued expenses and other liabilities on the consolidated balance sheets. The Corporation’s remaining unfunded equity contributions totaled $136 million and $123 million at June 30, 2020 and December 31, 2019, respectively.

For the six months ended June 30, 2020 and the year ended December 31, 2019, the Corporation did not record any impairment related to qualified affordable housing investments.

The Corporation has principal investment commitments to provide capital-based financing to private and public companies through either direct investments in specific companies or through investment funds and partnerships. The timing of future cash requirements to fund such principal investment commitments is generally dependent on the investment cycle, whereby privately held companies are funded by private equity investors and ultimately sold, merged, or taken public through an initial offering, which can vary based on overall market conditions, as well as the nature and type of industry in which the companies operate. The Corporation also invests in loan pools that support CRA loans. The timing of future cash requirements to fund these pools is dependent upon loan demand, which can vary over time. The aggregate carrying value of these investments was $28 million and $26 million at June 30, 2020 and December 31, 2019, respectively, included in tax credit and other investments on the consolidated balance sheets.

Legal Proceedings

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

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

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

The Corporation does not believe it is presently subject to any legal proceedings the resolution of which would have a material adverse effect on our business, financial condition, operating results or cash flows.

Regulatory Matters

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

Mortgage Repurchase Reserve

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

As a result of make whole requests, the Corporation has repurchased loans with principal balances of $3 million and $2 million for the six months ended June 30, 2020 and the year ended December 31, 2019, respectively. There were no loss reimbursement and settlement claims paid for the six months ended June 30, 2020 and such claims were negligible for the year ended

December 31, 2019. Make whole requests during 2019 and the first six months of 2020 generally arose from loans sold during the period of January 1, 2012 to December 31, 2019. Since January 1, 2012, loans sold totaled $13.5 billion at the time of sale, and consisted primarily of loans sold to GSEs. As of June 30, 2020, approximately $7.4 billion of these sold loans remain outstanding.

The balance in the mortgage repurchase reserve at the balance sheet date reflects the estimated amount of potential loss the Corporation could incur from repurchasing a loan, as well as loss reimbursements, indemnifications, and other settlement resolutions. The mortgage repurchase reserve, included in accrued expenses and other liabilities on the consolidated balance sheets, was $1 million as of June 30, 2020 and approximately $795,000 as of December 31, 2019.

The Corporation may also sell residential mortgage loans with limited recourse (limited in that the recourse period ends prior to the loan’s maturity, usually after certain time and / or loan paydown criteria have been met), whereby repurchase could be required if the loan had defined delinquency issues during the limited recourse periods. At June 30, 2020 and December 31, 2019, there were approximately $34 million and $39 million, respectively, of residential mortgage loans sold with such recourse risk. There have been limited instances and immaterial historical losses on repurchases for recourse under the limited recourse criteria.

The Corporation has a subordinate position to the FHLB in the credit risk on residential mortgage loans it sold to the FHLB in exchange for a monthly credit enhancement fee. The Corporation has not sold loans to the FHLB with such credit risk retention since February 2005. At June 30, 2020 and December 31, 2019, there were $39 million and $45 million, respectively, of such residential mortgage loans with credit risk recourse, upon which there have been negligible historical losses to the Corporation.

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Fair Value Measurements

6 Months Ended

Jun. 30, 2020

Fair Value Disclosures [Abstract]

Fair Value Measurements

Fair Value Measurements

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

The valuation methodologies for assets and liabilities measured at fair value on a recurring and non-recurring basis are described in the Fair Value Measurements note in the Corporation’s 2019 Annual Report on Form 10-K. There has been one significant change to the methodologies for assets and liabilities measured at fair value on a nonrecurring basis:

Individually Evaluated Loans: The Corporation individually evaluates loans when a commercial loan relationship is in nonaccrual status or when a commercial and consumer loan relationship has its terms restructured in a TDR or when a loan meets the Corporation's definition of a probable TDR. Prior to January 1, 2020, management considered a loan impaired when it was probable that the Corporation would be unable to collect all amounts due according to the original contractual terms of the note agreement, including both principal and interest. See Note 7 for additional information regarding the Corporation’s individually evaluated loans.

The table below presents the Corporation’s financial instruments measured at fair value on a recurring basis as of June 30, 2020 and December 31, 2019, aggregated by the level in the fair value hierarchy within which those measurements fall:

($ in Thousands)	Fair Value Hierarchy	June 30, 2020		December 31, 2019
Assets
Investment securities available for sale
U.S. Treasury securities	Level 1	$	26,735	$	—
Agency securities	Level 2	25,007		—
Obligations of state and political subdivisions (municipal securities)	Level 2	495,888		546,160
Residential mortgage-related securities
FNMA / FHLMC	Level 2	818,110		132,660
GNMA	Level 2	605,561		985,139
Commercial mortgage-related securities
FNMA / FHLMC	Level 2	22,061		21,728
GNMA	Level 2	803,362		1,310,207
Asset backed securities
FFELP	Level 2	340,474		263,693
SBA	Level 2	9,575		—
Other debt securities	Level 2	3,000		3,000
Total investment securities available for sale	Level 1	$	26,735	$	—
Total investment securities available for sale	Level 2	3,123,039		3,262,586
Equity securities with readily determinable fair values	Level 1	1,647		1,646
Residential loans held for sale	Level 2	196,673		136,280
Interest rate-related instruments(a)	Level 2	238,003		77,024
Foreign currency exchange forwards(a)	Level 2	4,200		4,226
Commodity contracts(a)	Level 2	38,543		20,528
Interest rate lock commitments to originate residential mortgage loans held for sale	Level 3	12,837		2,527
Liabilities
Interest rate-related instruments(a)	Level 2	$	31,472	$	13,073
Foreign currency exchange forwards(a)	Level 2	4,102		4,048
Commodity contracts(a)	Level 2	36,998		19,624
Forward commitments to sell residential mortgage loans	Level 3	1,293		710

(a) Figures are presented gross before netting. See Note 10 and Note 11 for information relating to the impact of offsetting derivative assets and liabilities and cash collateral with the same counterparty where there is a legally enforceable master netting agreement in place.

The table below presents a rollforward of the consolidated balance sheets amounts for the six months ended June 30, 2020 and the year ended December 31, 2019, for the Corporation's mortgage derivatives measured on a recurring basis and classified within Level 3 of the fair value hierarchy:

($ in Thousands)	Interest rate lock commitments to originate residential mortgage loans held for sale		Forward commitments to sell residential mortgage loans		Total
Balance December 31, 2018	$	2,208	$	2,072	$	140
New production	24,164		(2,367)		26,531
Closed loans / settlements	(29,375)		(5,968)		(23,407)
Other	5,530		6,973		(1,443)
Mortgage derivative gain (loss)	319		(1,362)		1,681
Balance December 31, 2019	$	2,527	$	710	$	1,817
New production	$	44,349	$	(439)	$	44,788
Closed loans / settlements	(37,505)		(12,197)		(25,308)
Other	3,467		13,218		(9,752)
Mortgage derivative gain (loss)	10,310		582		9,727
Balance June 30, 2020	$	12,837	$	1,293	$	11,544

The closing ratio on interest rate lock commitments to originate residential mortgage loans held for sale is a Level 3 measurement, and was 88% at June 30, 2020.

The following table presents the carrying value of equity securities without readily determinable fair values still held as of June 30, 2020 that are measured under the measurement alternative and the related adjustments recorded during the periods presented for those securities with observable price changes. These securities are included in the nonrecurring fair value tables when applicable price changes are observable. Also shown are the cumulative upward and downward adjustments for the Corporation's equity securities without readily determinable fair values as of June 30, 2020:

($ in Thousands)
Equity securities without readily determinable fair values
Carrying value as of December 31, 2019	$	13,444
Carrying value changes	—
Carrying value as of June 30, 2020	$	13,444
Cumulative upward carrying value changes between January 1, 2018 and June 30, 2020	$	13,444
Cumulative downward carrying value changes/impairment between January 1, 2018 and June 30, 2020	$	—

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

				Consolidated Statements of Income Category of Adjustment  Recognized in Income	Adjustment Recognized on the Consolidated Statements of Income
($ in Thousands)	Fair Value Hierarchy	Fair Value
June 30, 2020
Assets
Individually evaluated loans(a)	Level 3	$	88,416	Provision for credit losses	$	(58,523)
OREO(b)	Level 2	6,611		Other noninterest expense	(2,273)
Mortgage servicing rights	Level 3	49,423		Mortgage banking, net	(17,029)
December 31, 2019
Assets
Impaired loans(c)	Level 3	$	45,792	Provision for credit losses(d)	$	(66,172)
OREO(b)	Level 2	3,565		Other noninterest expense	(1,860)
Mortgage servicing rights	Level 3	72,532		Mortgage banking, net	(63)
Equity securities	Level 3	13,444		Investment securities gains (losses), net	13,444

(a) Includes probable TDRs which are individually analyzed, net of the related allowance for loan losses.

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

(c) Represents individually evaluated impaired loans, net of the related allowance for loan losses.

(d) Represents provision for credit losses on individually evaluated impaired loans.

Certain nonfinancial assets and nonfinancial liabilities measured at fair value on a nonrecurring basis include the fair value analysis in the goodwill impairment test, and intangible assets and other nonfinancial long-lived assets measured at fair value for impairment assessment.

The Corporation's significant Level 3 measurements which employ unobservable inputs that are readily quantifiable pertain to MSRs and individually evaluated loans.

The table below presents information about these inputs and further discussion is found above:

June 30, 2020	Valuation Technique	Significant Unobservable Input	Range of Inputs			Weighted Average Input Applied
Mortgage servicing rights	Discounted cash flow	Discount rate	9%	-	14%	9%
Mortgage servicing rights	Discounted cash flow	Constant prepayment rate	12%	-	35%	18%
Individually evaluated loans	Appraisals / Discounted cash flow	Collateral / Discount factor	0%	-	68%	66%

Fair Value of Financial Instruments

The Corporation is required to disclose estimated fair values for its financial instruments.

Fair value estimates are set forth below for the Corporation’s financial instruments:

		June 30, 2020				December 31, 2019
($ in Thousands)	Fair Value Hierarchy Level	Carrying Amount		Fair Value		Carrying Amount		Fair Value
Financial assets
Cash and due from banks	Level 1	$	443,500	$	443,500	$	373,380	$	373,380
Interest-bearing deposits in other financial institutions	Level 1	1,569,006		1,569,006		207,624		207,624
Federal funds sold and securities purchased under agreements to resell	Level 1	185		185		7,740		7,740
Investment securities held to maturity, net	Level 1	999		1,036		999		1,018
Investment securities held to maturity, net	Level 2	2,076,226		2,208,408		2,204,084		2,275,447
Investment securities available for sale	Level 1	26,735		26,735		—		—
Investment securities available for sale	Level 2	3,123,039		3,123,039		3,262,586		3,262,586
Equity securities with readily determinable fair values	Level 1	1,647		1,647		1,646		1,646
Equity securities without readily determinable fair values	Level 3	13,444		13,444		13,444		13,444
FHLB and Federal Reserve Bank stocks	Level 2	206,281		206,281		227,347		227,347
Residential loans held for sale	Level 2	196,673		196,673		136,280		136,280
Commercial loans held for sale	Level 2	3,565		3,565		15,000		15,000
Loans, net	Level 3	24,468,868		24,390,225		22,620,068		22,399,621
Bank and corporate owned life insurance	Level 2	676,196		676,196		671,948		671,948
Derivatives (other assets)(a)	Level 2	280,746		280,746		101,778		101,778
Interest rate lock commitments to originate residential mortgage loans held for sale (other assets)	Level 3	12,837		12,837		2,527		2,527
Financial liabilities
Noninterest-bearing demand, savings, interest-bearing demand, and money market accounts	Level 3	$	24,302,540	$	24,302,540	$	21,156,261	$	21,156,261
Brokered CDs and other time deposits(b)	Level 2	2,248,904		2,267,551		2,622,803		2,622,803
Short-term funding(c)	Level 2	181,828		181,828		465,113		465,113
Long-term funding (excluding PPPLF)	Level 2	548,937		576,667		549,343		572,873
PPPLF	Level 2	1,009,760		1,009,926		—		—
FHLB advances	Level 2	2,657,016		2,851,632		3,180,967		3,207,793
Standby letters of credit(d)	Level 2	2,644		2,644		2,710		2,710
Derivatives (accrued expenses and other liabilities)(a)	Level 2	72,572		72,572		36,745		36,745
Forward commitments to sell residential mortgage loans (accrued expenses and other liabilities)	Level 3	1,293		1,293		710		710

(a) Figures are presented gross before netting. See Note 10 and Note 11 for information relating to the impact of offsetting derivative assets and liabilities and cash collateral with the same counterparty where there is a legally enforceable master netting agreement in place.

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

(c) The carrying amount is a reasonable estimate of fair value for existing short-term funding.

(d) The commitment on standby letters of credit was $265 million at June 30, 2020 and $278 million at December 31, 2019. See Note 12 for additional information on the standby letters of credit and for information on the fair value of lending-related commitments.

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Retirement Plans

6 Months Ended

Jun. 30, 2020

Retirement Benefits [Abstract]

Retirement Plans

Retirement Plans

The Corporation has a noncontributory defined benefit retirement account plan, the RAP, covering substantially all employees who meet participation requirements. The benefits are based primarily on years of service and the employee’s compensation paid. Employees of acquired entities generally participate in the RAP after consummation of the business combinations. Any retirement plans of acquired entities are typically merged into the RAP after completion of the mergers, and credit is usually given to employees for years of service at the acquired institution for vesting and eligibility purposes.

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

The Huntington branch acquisition closed on June 14, 2019, and the employees gained as a result of the transaction became eligible to participate in the RAP on the same date, with their vesting service credit based on their prior hours of service with Huntington. See Note 2 for additional information on the Huntington branch acquisition.

The First Staunton acquisition closed on February 14, 2020, and the employees who met the required criteria as a result of the transaction became eligible to participate in the RAP on February 15, 2020, with their vesting service credit based on their prior hours of service with First Staunton. See Note 2 for additional information on the First Staunton acquisition.

The components of net periodic pension cost and net periodic benefit cost for the RAP and Postretirement Plan for the three and six months ended June 30, 2020 and 2019 were as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
($ in Thousands)	2020		2019		2020		2019
Components of Net Periodic Benefit Cost
RAP
Service cost	$	2,165	$	1,925	$	4,330	$	3,850
Interest cost	2,008		2,413		4,015		4,825
Expected return on plan assets	(6,405)		(6,075)		(12,810)		(12,150)
Amortization of prior service cost	(19)		(19)		(38)		(38)
Amortization of actuarial loss (gain)	803		65		1,610		130
Total net periodic pension cost	$	(1,449)	$	(1,691)	$	(2,893)	$	(3,383)
Postretirement Plan
Interest cost	$	20	$	26	$	39	$	52
Amortization of prior service cost	(19)		(19)		(38)		(38)
Amortization of actuarial loss (gain)	—		(1)		—		(2)
Total net periodic benefit cost	$	1	$	6	$	2	$	13

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

The Corporation’s funding policy is to pay at least the minimum amount required by federal law and regulations, with consideration given to the maximum funding amounts allowed. The Corporation regularly reviews the funding of its RAP. There were no contributions during the six months ended June 30, 2020 and 2019.

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Segment Reporting

6 Months Ended

Jun. 30, 2020

Segment Reporting [Abstract]

Segment Reporting

Segment Reporting

The Corporation utilizes a risk-based internal profitability measurement system to provide strategic business unit reporting. The profitability measurement system is based on internal management methodologies designed to produce consistent results and reflect the underlying economics of the units. Certain strategic business units have been combined for segment information reporting purposes where the nature of the products and services, the type of customer, and the distribution of those products and services are similar. The three reportable segments are Corporate and Commercial Specialty; Community, Consumer, and Business; and Risk Management and Shared Services. The financial information of the Corporation’s segments has been compiled utilizing the accounting policies described in the Corporation’s 2019 Annual Report on Form 10-K and Note 3 in this Quarterly Report on Form 10-Q, with certain exceptions. The more significant of these exceptions are described herein.

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

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

The Corporation allocates net interest income using an internal FTP methodology that charges users of funds (assets) and credits providers of funds (liabilities, primarily deposits) based on the maturity, prepayment and / or repricing characteristics of the assets and liabilities. The net effect of this allocation is offset in the Risk Management and Shared Services segment to

ensure consolidated totals reflect the Corporation's net interest income. The net FTP allocation is reflected as net intersegment income (expense) in the accompanying tables.

A credit provision is allocated to segments based on the expected long-term annual net charge off rates attributable to the credit risk of loans managed by the segment during the period. In contrast, the level of the consolidated provision for credit losses is determined based on an allowance model using the methodologies described in Note 3 in this Quarterly Report on Form 10-Q. The net effect of the credit provision is recorded in Risk Management and Shared Services. Indirect expenses incurred by certain centralized support areas are allocated to segments based on actual usage (for example, volume measurements) and other criteria. Certain types of administrative expense and bank-wide expense accruals (including amortization of CDIs and other intangible assets associated with acquisitions, acquisition-related costs, and asset gains on disposed business units) are generally not allocated to segments. Income taxes are allocated to segments based on the Corporation’s estimated effective tax rate, with certain segments adjusted for any tax-exempt income or non-deductible expenses. Equity is allocated to the segments based on regulatory capital requirements and in proportion to an assessment of the inherent risks associated with the business of the segment (including interest, credit and operating risk).

A brief description of each business segment is presented below. A more in-depth discussion of these segments can be found in the Segment Reporting footnote in the Corporation’s 2019 Annual Report on Form 10-K.

The Corporate and Commercial Specialty segment serves a wide range of customers including larger businesses, developers, not-for-profits, municipalities, and financial institutions by providing lending and deposit solutions as well as the support to deliver, fund, and manage such banking solutions. In addition, this segment provides a variety of investment and fiduciary products and services to individuals and small to mid-sized businesses. The Community, Consumer, and Business segment serves individuals, as well as small and mid-sized businesses, by providing lending and deposit solutions. In addition, the Corporation offered insurance and risk consulting services. During the second quarter of 2020, the Corporation sold ABRC. The Risk Management and Shared Services segment includes key shared operational functions and also includes residual revenue and expenses, representing the difference between actual amounts incurred and the amounts allocated to operating segments, including interest rate risk residuals (FTP mismatches) and credit risk and provision residuals (long-term credit charge mismatches). All First Staunton and Huntington branch acquisition related costs as well as the gain on sale of ABRC are included in the Risk Management and Shared Services segment.

During the first quarter of 2020, the Corporation reassigned goodwill of approximately $4 million to the Corporate and Commercial Specialty segment from the Community, Consumer and Business segment as a result of a reorganization of the investment and fiduciary businesses. The goodwill reassigned was attributable to the Corporation's acquisition of Whitnell & Co. in 2017. Also effective in the first quarter of 2020, the marketing business unit, formerly part of the Risk Management and Shared Services segment, was reorganized under the Community, Consumer and Business segment.

Information about the Corporation’s segments is presented below:

	Corporate and Commercial Specialty
	Three Months Ended June 30,				Six Months Ended June 30,
($ in Thousands)	2020		2019		2020		2019
Net interest income	$	98,824	$	114,232	$	206,577	$	228,162
Net intersegment interest income (expense)	6,889		(13,326)		(3,856)		(28,881)
Segment net interest income	105,713		100,906		202,721		199,281
Noninterest income	30,691		31,267		65,124		58,414
Total revenue	136,405		132,174		267,845		257,695
Credit provision	13,713		12,585		25,885		25,169
Noninterest expense	50,837		56,450		102,098		111,383
Income (loss) before income taxes	71,855		63,139		139,862		121,144
Income tax expense (benefit)	13,446		12,244		26,117		23,411
Net income	$	58,410	$	50,895	$	113,745	$	97,732
Allocated goodwill					$	530,144	$	530,106

	Community, Consumer, and Business
	Three Months Ended June 30,				Six Months Ended June 30,
($ in Thousands)	2020		2019		2020		2019
Net interest income	$	73,120	$	77,013	$	148,047	$	156,699
Net intersegment interest income (expense)	14,340		22,804		33,025		43,551
Segment net interest income	87,459		99,817		181,072		200,250
Noninterest income	58,557		62,123		116,207		120,398
Total revenue	146,017		161,940		297,279		320,648
Credit provision	5,429		4,626		10,537		9,311
Noninterest expense	122,290		119,694		238,721		232,612
Income (loss) before income taxes	18,298		37,620		48,021		78,725
Income tax expense (benefit)	3,843		7,900		10,084		16,532
Net income	$	14,455	$	29,720	$	37,936	$	62,193
Allocated goodwill					$	577,758	$	645,913

	Risk Management and Shared Services
	Three Months Ended June 30,				Six Months Ended June 30,
($ in Thousands)	2020		2019		2020		2019
Net interest income	$	17,929	$	22,375	$	38,190	$	44,306
Net intersegment interest income (expense)	(21,229)		(9,478)		(29,169)		(14,671)
Segment net interest income	(3,301)		12,896		9,021		29,635
Noninterest income(a)	165,242		2,447		171,465		8,228
Total revenue	161,941		15,343		180,486		37,863
Credit provision	41,858		(9,211)		77,579		(20,480)
Noninterest expense(b)	10,280		21,634		34,779		45,456
Income (loss) before income taxes	109,802		2,919		68,129		12,887
Income tax expense (benefit)	33,950		(1,127)		25,255		1,466
Net income	$	75,853	$	4,047	$	42,874	$	11,422
Allocated goodwill					$	—	$	—

	Consolidated Total
	Three Months Ended June 30,				Six Months Ended June 30,
($ in Thousands)	2020		2019		2020		2019
Net interest income	$	189,872	$	213,619	$	392,814	$	429,167
Net intersegment interest income (expense)	—		—		—		—
Segment net interest income	189,872		213,619		392,814		429,167
Noninterest income(a)	254,490		95,837		352,796		187,040
Total revenue	444,362		309,457		745,610		616,206
Credit provision	61,000		8,000		114,001		14,000
Noninterest expense(b)	183,407		197,779		375,598		389,450
Income (loss) before income taxes	199,955		103,678		256,012		212,756
Income tax expense (benefit)	51,238		19,017		61,457		41,409
Net income	$	148,718	$	84,661	$	194,555	$	171,347
Allocated goodwill					$	1,107,902	$	1,176,019

(a) For the three and six months ended June 30, 2020, the Corporation recognized a $163 million asset gain related to the sale of ABRC.

(b) For the three months ended both June 30, 2020 and 2019, the Risk Management and Shared Services segment included less than $1 million and approximately $4 million respectively, of acquisition related noninterest expense. For the six months ended June 30, 2020 and 2019, the Risk Management and Shared Services segment included approximately $2 million and $4 million respectively, of acquisition related noninterest expense.

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Accumulated Other Comprehensive Income (Loss)

6 Months Ended

Jun. 30, 2020

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

Accumulated Other Comprehensive Income (Loss)

Accumulated Other Comprehensive Income (Loss)

The following tables summarize the components of accumulated other comprehensive income (loss) at June 30, 2020 and 2019, including changes during the preceding three and six month periods as well as any reclassifications out of accumulated other comprehensive income (loss):

($ in Thousands)	Investment Securities Available For Sale		Defined Benefit Pension and Postretirement Obligations		Accumulated Other Comprehensive Income (Loss)
Balance December 31, 2019	$	3,989	$	(37,172)	$	(33,183)
Other comprehensive income (loss) before reclassifications	48,060		—		48,060
Amounts reclassified from accumulated other comprehensive income (loss)
Investment securities losses (gains), net	(9,214)		—		(9,214)
Personnel expense	—		(75)		(75)
Other expense	—		1,610		1,610
Interest income	1,332		—		1,332
Income tax (expense) benefit	(10,066)		(385)		(10,450)
Net other comprehensive income (loss) during period	30,112		1,150		31,263
Balance June 30, 2020	$	34,101	$	(36,021)	$	(1,920)
Balance December 31, 2018	$	(75,643)	$	(49,330)	$	(124,972)
Other comprehensive income (loss) before reclassifications	89,966		—		89,966
Amounts reclassified from accumulated other comprehensive income (loss)
Investment securities losses (gains), net	(2,143)		—		(2,143)
Personnel expense	—		(75)		(75)
Other expense	—		128		128
Interest income	288		—		288
Income tax (expense) benefit	(22,242)		(13)		(22,255)
Net other comprehensive income (loss) during period	65,869		40		65,909
Balance June 30, 2019	$	(9,773)	$	(49,290)	$	(59,063)

($ in Thousands)	Investments Securities Available For Sale		Defined Benefit Pension and Post Retirement Obligations		Accumulated Other Comprehensive Income (Loss)
Balance March 31, 2020	$	19,620	$	(36,595)	$	(16,974)
Other comprehensive income (loss) before reclassifications	21,641		—		21,641
Amounts reclassified from accumulated other comprehensive income (loss)
Investment securities losses (gains), net	(3,096)		—		(3,096)
Personnel expense	—		(38)		(38)
Other expense	—		803		803
Interest income	776		—		776
Income tax (expense) benefit	(4,841)		(192)		(5,032)
Net other comprehensive income (loss) during period	14,481		573		15,054
Balance June 30, 2020	$	34,101	$	(36,021)	$	(1,920)
Balance March 31, 2019	$	(54,065)	$	(49,310)	$	(103,375)
Other comprehensive income (loss) before reclassifications	59,476		—		59,476
Amounts reclassified from accumulated other comprehensive income (loss)
Investment securities loss (gain), net	(463)		—		(463)
Personnel expense	—		(38)		(38)
Other expense	—		64		64
Interest income	218		—		218
Income tax (expense) benefit	(14,940)		(7)		(14,947)
Net other comprehensive income (loss) during period	44,292		20		44,311
Balance June 30, 2019	$	(9,773)	$	(49,290)	$	(59,063)

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Revenue from Contracts with Customers

6 Months Ended

Jun. 30, 2020

Revenue Recognition [Abstract]

Revenue from Contracts with Customers

Revenue from Contracts with Customers

Revenue from contracts with customers is recognized when obligations under the terms of a contract with the Corporation's customer are satisfied. Revenue is measured as the amount of consideration we expect to receive in exchange for transferring goods or providing services. We do not have any material significant payment terms as payment is received at or shortly after the satisfaction of the performance obligation.

The Corporation's disaggregated revenue by major source is presented below:

	Corporate and Commercial Specialty
	Three Months Ended June 30,				Six Months Ended June 30,
($ in Thousands)	2020		2019		2020		2019
Insurance commissions and fees	$	47	$	49	$	123	$	174
Wealth management fees(a)	15,814		15,369		31,621		30,469
Service charges and deposit account fees	4,307		3,309		7,859		6,806
Card-based fees(b)	228		455		743		889
Other revenue	294		865		1,081		1,049
Noninterest Income (in-scope of Topic 606)	$	20,690	$	20,047	$	41,426	$	39,387
Noninterest Income (out-of-scope of Topic 606)	10,002		11,220		23,698		19,026
Total Noninterest Income	$	30,691	$	31,267	$	65,124	$	58,414
	Community, Consumer, and Business
	Three Months Ended June 30,				Six Months Ended June 30,
($ in Thousands)	2020		2019		2020		2019
Insurance commissions and fees	$	22,381	$	22,933	$	44,910	$	48,268
Wealth management fees(a)	5,102		5,321		10,111		10,402
Service charges and deposit account fees	7,173		12,104		18,838		23,703
Card-based fees(b)	8,647		9,674		17,693		18,486
Other revenue	2,861		2,349		5,147		4,621
Noninterest Income (in-scope of Topic 606)	$	46,163	$	52,381	$	96,698	$	105,479
Noninterest Income (out-of-scope of Topic 606)	12,394		9,742		19,509		14,919
Total Noninterest Income	$	58,557	$	62,123	$	116,207	$	120,398

	Risk Management and Shared Services
	Three Months Ended June 30,				Six Months Ended June 30,
($ in Thousands)	2020		2019		2020		2019
Insurance commissions and fees	$	3	$	3	$	6	$	7
Service charges and deposit account fees	4		14		10		32
Card-based fees(b)	47		48		94		97
Other revenue	26		210		49		438
Noninterest Income (in-scope of Topic 606)	$	80	$	275	$	158	$	574
Noninterest Income (out-of-scope of Topic 606)(c)	165,161		2,172		171,307		7,653
Total Noninterest Income	$	165,242	$	2,447	$	171,465	$	8,228
	Consolidated Total
	Three Months Ended June 30,				Six Months Ended June 30,
($ in Thousands)	2020		2019		2020		2019
Insurance commissions and fees	$	22,430	$	22,985	$	45,038	$	48,449
Wealth management fees(a)	20,916		20,691		41,732		40,870
Service charges and deposit account fees	11,484		15,426		26,706		30,542
Card-based fees(b)	8,922		10,177		18,529		19,472
Other revenue	3,181		3,424		6,277		6,108
Noninterest Income (in-scope of Topic 606)	$	66,933	$	72,703	$	138,282	$	145,441
Noninterest Income (out-of-scope of Topic 606)(c)	187,557		23,134		214,515		41,599
Total Noninterest Income	$	254,490	$	95,837	$	352,796	$	187,040

(a) Includes trust, asset management, brokerage, and annuity fees.

(b) Certain card-based fees are out-of-scope of Topic 606.

(c) Both the three and six months ended June 30, 2020 include a gain of $163 million from the sale of ABRC.

Below is a listing of performance obligations for the Corporation's main revenue streams:

Revenue Stream	Noninterest income in-scope of Topic 606
Insurance commissions and fees	The Corporation's insurance revenue had two distinct performance obligations. The first performance obligation was the selling of the policy as an agent for the carrier. This performance obligation was satisfied upon binding of the policy. The second performance obligation was the ongoing servicing of the policy which was satisfied over the life of the policy. For employee benefits, the payment was typically received monthly. For property and casualty, payments can vary, but were typically received at, or in advance, of the policy period.
Service charges and deposit account fees	Service charges and deposit account fees consist of monthly service fees (i.e. business analyzed fees and consumer service charges) and other deposit account related fees. The Corporation's performance obligation for monthly service fees is generally satisfied, and the related revenue recognized, over the period in which the service is provided. Other deposit account related fees are largely transactional based, and therefore, the Corporation's performance obligation is satisfied, and related revenue recognized, at a point in time. Payment for service charges and deposit account fees are primarily received immediately or in the following month through a direct charge to customers’ accounts.
Card-based fees(a)	Card-based fees are primarily comprised of debit and credit card income, ATM fees, and merchant services income. Debit and credit card income is primarily comprised of interchange fees earned whenever the Corporation's debit and credit cards are processed through card payment networks. ATM and merchant fees are largely transactional based, and therefore, the Corporation's performance obligation is satisfied, and related revenue recognized, at a point in time. Payment is typically received immediately or in the following month.
Trust and asset management fees(b)	Trust and asset management income is primarily comprised of fees earned from the management and administration of trusts and other customer assets. The Corporation's performance obligation is generally satisfied over time and the resulting fees are recognized monthly, based upon the month-end market value of the assets under management and the applicable fee rate. Payment is generally received a few days after month end through a direct charge to the customers’ accounts. The Corporation's performance obligation for these transactional-based services is generally satisfied, and related revenue recognized, at a point in time (i.e., as incurred). Payment is received shortly after services are rendered.
Brokerage commissions and fees(b)	Brokerage commissions and fees primarily consist of investment advisory, brokerage, retirement services, and annuities. The Corporation's performance obligation for investment advisory services and retirement services is generally satisfied, and the related revenue recognized, over the period in which the services are provided. The performance obligation for annuities is satisfied upon sale of the annuity, and therefore, the related revenue is primarily recognized at the time of sale. Payments for these services are typically received immediately or in advance of the service.

(a) Certain card-based fees are out-of-scope of Topic 606.

(b) Trust and asset management fees and brokerage commissions and fees are included in wealth management fees.

Arrangements with Multiple Performance Obligations

The Corporation's contracts with customers may include multiple performance obligations. For such arrangements, we allocate revenue to each performance obligation based on its relative standalone selling price. We generally determine standalone selling prices based on the expected cost plus margin.

Practical Expedients

We do not disclose the value of unsatisfied performance obligations for contracts with an original expected length of one year or less.

Using the practical expedient, for contracts with a term of one year or less, the Corporation recognizes incremental costs of obtaining those contracts as an expense when incurred.

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Leases

6 Months Ended

Jun. 30, 2020

Leases [Abstract]

Leases

Leases

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

These operating leases have original terms of 1 year or longer with remaining maturities up to 42 years, some of which include options to extend the lease term. An analysis of the lease options has been completed and any purchase options or optional periods that the Corporation is reasonably likely to extend have been included in the capitalization.

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

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

($ in Thousands)	Three Months Ended June 30,				Six Months Ended June 30,
	2020		2019		2020		2019
Operating Lease Costs	$	2,631	$	2,888	$	5,254	$	5,793
Finance Lease Costs	31		—		67		—
Operating Lease Cash Flows	2,700		2,762		5,432		5,570
Finance Lease Cash Flows	21		—		42		—

The lease classifications on the consolidated balance sheets were as follows:

($ in Thousands)	Consolidated Balance Sheets Category	June 30, 2020		December 31, 2019
		Amount
Operating lease right-of-use asset	Premises and equipment	$	39,674	$	45,381
Finance lease right-of-use asset	Other assets	1,154		2,188
Operating lease liability	Accrued expenses and other liabilities	43,377		49,292
Finance lease liability	Other long-term funding	1,202		2,209

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

	June 30, 2020					December 31, 2019
($ in Thousands)	Lease payments		Weighted-average lease term (in years)	Weighted-average discount rate		Lease payments		Weighted-average lease term (in years)	Weighted-average discount rate
Operating leases
Equipment	$	5	0.69	2.72	%	$	46	0.83	2.72	%
Retail and corporate offices	42,293		6.22	3.35	%	48,940		6.49	3.34	%
Land	6,663		9.30	3.08	%	6,594		9.57	3.21	%
Total operating leases	$	48,961	6.61	3.31	%	$	55,580	6.83	3.32	%
Finance leases
Land	$	1,225	2.14	1.05	%	$	4,827	39.67	3.99	%
Total finance leases	$	1,225	2.14	1.05	%	$	4,827	39.67	3.99	%

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

($ in Thousands)	Operating Leases		Finance Leases		Amount
Six Months Ending December 31, 2020	$	3,065	$	80	$	3,145
2021	10,387		172		10,559
2022	8,066		973		9,039
2023	5,810		—		5,810
2024	5,108		—		5,108
Beyond 2024	16,526		—		16,526
Total lease payments	$	48,961	$	1,225	$	50,187
Less: interest	5,584		23		5,607
Present value of lease payments	$	43,377	$	1,202	$	44,579

As of June 30, 2020 and December 31, 2019, additional operating leases, primarily retail and corporate offices, that have not yet commenced total $18 million and $16 million, respectively. These operating leases will commence between July 2020 and October 2023 with lease terms of 3 years to 6 years.

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Summary of Significant Accounting Policies (Policies)

6 Months Ended

Jun. 30, 2020

Accounting Standards Update and Change in Accounting Principle [Abstract]

Investment Securities

Investment Securities

Management measures expected credit losses on held to maturity securities on a collective basis by major security type. Accrued interest receivable on held to maturity securities is excluded from the estimate of credit losses. The estimate of expected credit losses considers historical credit loss information that is adjusted for current conditions and reasonable and supportable forecasts and is included in investment securities held to maturity, net on the consolidated balance sheets.

For available for sale securities, the Corporation evaluates whether any decline in fair value has resulted from credit losses or other factors. In making this assessment, management considers the extent to which fair value is less than amortized cost, any changes to the rating of the security by a rating agency, and adverse conditions specifically related to the security, among other factors. If this assessment indicates that a credit loss exists, the present value of cash flows expected to be collected from the security are compared to the amortized cost basis of the security. If the present value of cash flows expected to be collected is less than the amortized cost basis, a credit loss exists and an allowance for credit losses on investments is recorded for the credit loss, limited by the amount that the fair value is less than the amortized cost basis. Any impairment that has not been recorded through an allowance for credit losses on investments is recognized in other comprehensive income.

Changes in the allowance for credit losses on investments are recorded as provision for, or reversal of, credit loss expense. Losses are charged against the allowance when management believes the available for sale security is uncollectible or when either of the criteria regarding intent or requirement to sell is met. Accrued interest receivable on available for sale debt securities is excluded from the estimate of credit losses.

Allowance for Loan Losses

Allowance for Credit Losses on Loans

The level of the allowance for loan losses represents management's estimate of an amount appropriate to provide for lifetime credit losses in the loan portfolio at the balance sheet date. The allocation methodology applied by the Corporation, designed to assess the appropriateness of the allowance for loan losses, includes an allocation methodology, as well as management’s ongoing review and grading of the loan portfolio into criticized loan categories. The allocation methodology focuses on evaluation of several factors, including but not limited to: evaluation of facts and issues related to specific loans, management's ongoing review and grading of the loan portfolio using a dual risk rating system leveraging probability of default and loss given default, consideration of historical credit loss and delinquency experience on each portfolio category, trends in past due and nonaccrual loans, the level of potential problem loans, the risk characteristics of the various classifications of loans, changes in the size and character of the loan portfolio, concentrations of loans to specific borrowers or industries, existing economic conditions and economic forecasts, the fair value of underlying collateral, and other qualitative and quantitative factors which could affect potential loan losses. The Corporation utilizes the Moody's Baseline economic forecast in the allowance model and applies that forecast over a reasonable and supportable period with reversion to historical losses. For additional detail on the reasonable and supportable period and reversion methodology, see Note 7. Potential problem loans are generally defined by management to include loans rated as substandard by management. Assessing these numerous factors involves significant judgment. The provision for loan losses is predominantly a function of the result of the methodology and other qualitative and quantitative factors used to determine the allowance for loan losses.

Management individually analyzes loans that do not share similar risk characteristics to other loans in the portfolio. Management has determined that commercial loan relationships that have nonaccrual status or commercial and retail loans that have had their terms restructured in a TDR meet this definition. Probable TDRs are loans the Corporation has reviewed individually to determine whether there is a high likelihood that the loans will default and will require restructuring in the near future. Probable TDRs could be classified as Pass, Special Mention, Substandard or Nonaccrual within the Corporation's credit quality analysis depending on the specific circumstances surrounding the individual credits. Accrued interest receivable on loans is excluded from the estimate of credit losses.

Allowance for Unfunded Commitments

The allowance for unfunded commitments leverages the same methodology utilized to measure the allowance for loan losses. The Corporation estimates expected credit losses over the contractual period in which the Corporation is exposed to credit risk via a contractual obligation to extend credit, unless that obligation is unconditionally cancellable by the Corporation. The estimate includes consideration of the likelihood that funding will occur and an estimate of expected credit losses on commitments expected to be funded over its estimated life. See Note 7 for additional information on the ACLL and Note 12 for additional information on the allowance for unfunded commitments.

Impact of adopting ASU 2016-13 Financial Instruments - Credit Losses (Topic 326)

Impact of adopting ASU 2016-13 Financial Instruments - Credit Losses (Topic 326)

The following table illustrates the adoption impact:

	December 31, 2019				January 1, 2020
($ in Thousands)	Allowance for Loan Losses		Allowance for Unfunded Commitments		CECL Day 1 Adjustment		ACLL Beginning Balance
Commercial and industrial	$	91,133	$	12,276	$	48,921	$	152,330
Commercial real estate - owner occupied	10,284		127		(1,851)		8,560
Commercial and business lending	101,417		12,403		47,070		160,890
Commercial real estate - investor	40,514		530		2,287		43,331
Real estate construction	24,915		7,532		25,814		58,261
Commercial real estate lending	65,428		8,062		28,101		101,591
Total Commercial	166,846		20,465		75,171		262,482
Residential mortgage	16,960		—		33,215		50,175
Home equity	10,926		1,038		14,240		26,204
Other consumer	6,639		405		8,520		15,564
Total consumer	34,525		1,443		55,975		91,943
Total loans	$	201,371	$	21,907	$	131,147	$	354,425

The allowance for credit losses on held to maturity securities was approximately $61,000 at January 1, 2020, attributable entirely to the Corporation's municipal securities.

At January 1, 2020, the adoption of ASU 2016-13 resulted in an increase to the allowance for loan losses of $112 million and an increase to the allowance for unfunded commitments of $19 million for a total increase to the ACLL of $131 million. A corresponding after tax decrease to common equity of $98 million was recorded along with a deferred tax asset of $33 million.

New Accounting Pronouncements Adopted

New Accounting Pronouncements Adopted

Standard	Description	Date of adoption	Effect on financial statements
ASU 2016-13 Financial Instruments - Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments	The FASB issued an amendment to replace the current incurred loss impairment methodology. Under the new guidance, entities will be required to measure expected credit losses by utilizing forward-looking information to assess an entity's ACL. The guidance also requires consideration of a broader range of reasonable and supportable information to inform credit loss estimates. The measurement of expected credit losses is based on relevant information about past events, including historical experience, current conditions, and reasonable and supportable forecasts that affect the collectability of the reported amount. An entity must use judgment in determining the relevant information and estimation methods that are appropriate in its circumstances. This amendment was effective for fiscal years beginning after December 15, 2019, including interim periods within those fiscal years. Entities should apply the amendment by means of a cumulative-effect adjustment to retained earnings as of the beginning of the fiscal year of adoption. ASU 2018-19 was issued to clarify that receivables arising from operating leases are not within the scope of Subtopic 326-20. Instead, impairment of receivables arising from operating leases should be accounted for in accordance with Topic 842, Leases. ASU 2019-04 was issued and provided entities alternatives for measurement of accrued interest receivable, clarified the steps entities should take when recording the transfer of loans or debt securities between measurement classifications or categories and clarifies that entities should include expected recoveries on financial assets. ASU 2019-05 was issued to provide entities that have certain instruments within the scope of Subtopic 320-20 with an option to irrevocably elect the fair value option in Subtopic 825-10. ASU 2020-02 was issued to further explain the measurement of current expected credit losses and the development, governance, and documentation of a systematic methodology.	1st Quarter 2020	The Corporation has adopted the Update using a modified retrospective approach. The Corporation has developed a CECL allowance model which calculates reserves over the life of the loan and is largely driven by portfolio characteristics, risk-grading, economic outlook, and key methodology assumptions. Those assumptions are based upon the existing probability of default and loss given default framework. At adoption, the Corporation utilized a single economic forecast over a 2-year reasonable and supportable forecast period. In the second year, the Corporation used straight-line reversion to historical losses. The Corporation recorded a $131 million adjustment to the ACL related to the adoption of this standard, which includes $61 thousand related to the held to maturity investment securities portfolio. The Corporation has elected to maintain pools accounted for under Subtopic 310-30 at adoption. The Corporation has elected to utilize the 2019 Capital Transition Relief for initial adoption, as well as the 2020 Capital Transition Relief as permitted under applicable regulations. The total impact at adoption equates to an approximately 29 bp net, after tax, reduction in the tangible common equity ratio. Results for the periods after January 1, 2020 are presented in accordance with ASC 326 while prior period amounts continue to be reported in accordance with previously applicable standards.

Standard	Description	Date of adoption	Effect on financial statements
ASU 2018-13 Fair Value Measurement (Topic 820): Disclosure Framework—Changes to the Disclosure Requirements for Fair Value Measurement	The FASB issued an amendment to add, modify, and remove disclosure requirements on fair value measurements in Topic 820, Fair Value Measurement, based on the FASB Concepts Statement "Conceptual Framework for Financial Reporting," including the consideration of costs and benefits. The amendment was effective for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2019. The amendments on changes in unrealized gains and losses, the range and weighted average of significant unobservable inputs used to develop Level 3 fair value measurements, and the narrative description of measurement uncertainty should be applied prospectively for only the most recent interim or annual period presented in the initial fiscal year of adoption. All other amendments should be applied retrospectively to all periods presented upon their effective date.	1st Quarter 2020	The Corporation has evaluated and determined it has an immaterial impact with minor changes in presentation.
ASU 2017-04 Intangibles - Goodwill and Other (Topic 350): Simplifying the Test for Goodwill Impairment	The FASB issued an amendment to simplify the subsequent quantitative measurement of goodwill by eliminating step two from the goodwill impairment test. Instead, an entity will perform only step one of its quantitative goodwill impairment test by comparing the fair value of a reporting unit with its carrying amount, and then recognizing an impairment charge for the amount by which the carrying amount exceeds the reporting unit's fair value; however, the loss recognized should not exceed the total amount of goodwill allocated to that reporting unit. An entity will still have the option to perform a qualitative assessment for a reporting unit to determine if the quantitative step one impairment test is necessary. This amendment was effective for annual or interim goodwill impairment tests in fiscal years beginning after December 15, 2019. Entities should apply the amendment prospectively.	1st Quarter 2020	There has been no material impact on results of operations, financial position, and liquidity. The Corporation does its annual impairment testing in May.
ASU 2020-03 Codification Improvements to Financial Instruments	The FASB issued an amendment to further clarify that all entities are required to provide the fair value option disclosures in paragraphs 825-10-50-24 through 50-32. The amendment also states that paragraphs 820-10-35-2A(g) and 820-10-35-18L are to include the phrase nonfinancial items accounted for as derivatives under Topic 815 to be consistent with the previous amendments to Section 820-10-35 that were made by ASU No. 2018-09, Codification Improvements. The amendment also clarifies that the disclosure requirements in Topic 320 apply to the disclosure requirements in Topic 942 for depository and lending institutions along with improving the understandability of the guidance relating to subtopic 470-50 and subtopic 820-10. Lastly, the amendment clarifies that the contractual term of a net investment in a lease determined in accordance with Topic 842 should be the contractual term used to measure expected credit losses under Topic 326 and that when an entity regains control of financial assets sold, an ACL should be recorded in accordance with Topic 326.	1st Quarter 2020	The Corporation has evaluated and determined it has an immaterial impact.
ASU 2020-04 Reference Rate Reform (Topic 848): Facilitation of the Effects of Reference Rate Reform on Financial Reporting	The FASB issued an amendment to provide optional expedients and exceptions for applying GAAP to contracts, hedging relationships, and other transactions affected by reference rate reform if certain criteria are met. The amendment only applies to contracts, hedging relationships, and other transactions that reference LIBOR or another reference rate expected to be discontinued because of reference rate reform. The expedients and exceptions provided by the amendments do not apply to contract modifications made and hedging relationships entered into or evaluated after December 31, 2022, except for hedging relationships existing as of December 31, 2022, that an entity has elected certain optional expedients for and that are retained through the end of the hedging relationship.	1st Quarter 2020	The Corporation has evaluated the impact of the Update and determined the expedients provided allow for simpler, more streamlined modifications to the financial instruments referencing LIBOR. A small population of loans have been modified under the new standard.

Future Accounting Pronouncements

The expected impact of accounting pronouncements recently issued or proposed but not yet required to be adopted are displayed in the table below:

Standard	Description	Date of anticipated adoption	Effect on financial statements
ASU 2018-14 Compensation—Retirement Benefits—Defined Benefit Plans—General (Subtopic 715-20): Disclosure Framework—Changes to the Disclosure Requirements for Defined Benefit Plans	The FASB issued an amendment to modify the disclosure requirements for employers that sponsor defined benefit pension or other postretirement plans. The amendments also added requirements to disclose the weighted-average interest crediting rates for cash balance plans and other plans with promised interest crediting rates and an explanation of the reasons for significant gains and losses related to changes in the benefit obligation for the period. The amendment also clarifies the disclosure requirements in paragraph 715-20-50-3, which states that certain information for defined benefit pension plans should be disclosed. The amendments in this Update remove disclosures that no longer are considered cost beneficial, clarify the specific requirements of disclosures, and add disclosure requirements identified as relevant. The amendment is effective for fiscal years ending after December 15, 2020. Entities should apply the amendments in this Update on a retrospective basis to all periods presented. Early adoption is permitted.	1st Quarter 2021	The Corporation is currently evaluating the impact on its results of operations, financial position, and liquidity.
ASU 2020-01 Investments-Equity Securities (Topic 321), Investments-Equity Method and Joint Ventures (Topic 323), and Derivatives and Hedging (Topic 815) Clarifying the Interactions between Topic 321, Topic 323, and Topic 815	The FASB issued an amendment to clarify the interaction of the accounting for equity securities under Topic 321 and investments accounted for under the equity method of accounting in Topic 323 and the accounting for certain forward contracts and purchased options accounted for under Topic 815. The amendments clarify that an entity should consider observable transactions that require it to either apply or discontinue the equity method of accounting for the purposes of applying the measurement alternative in accordance with Topic 321 immediately before applying or upon discontinuing the equity method. The amendments also clarify that for the purpose of applying paragraph 815-10-15-141(a) an entity should not consider whether, upon the settlement of the forward contract or exercise of the purchased option, individually or with existing investments, the underlying securities would be accounted for under the equity method in Topic 323 or the fair value option in accordance with the financial instruments guidance in Topic 825. An entity also would evaluate the remaining characteristics in paragraph 815-010-15-141 to determine the accounting for those forward contracts and purchased options.	1st Quarter 2021	The Corporation is currently evaluating the impact on its results of operations, financial position, and liquidity.

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Acquisitions Acquisitions (Tables)

Feb. 14, 2020

Jun. 14, 2019

Business Combinations [Abstract]

Schedule of Business Acquisitions, by Acquisition

The following table presents the estimated fair values of the assets acquired and liabilities assumed as of the acquisition date related to the First Staunton acquisition:

($ in Thousands)	Purchase Accounting Adjustments		February 14, 2020
Assets
Cash and cash equivalents	$	—	$	44,782
Investment securities available for sale	(24)		98,743
Federal Home Loan Bank and Federal Reserve Bank stocks, at cost	—		781
Loans	(4,808)		369,741
Premises and equipment, net	(3,005)		4,865
Bank owned life insurance	9		6,770
Goodwill			13,414
Core deposit intangibles (included in other intangible assets, net on the face of the consolidated balance sheets)	7,379		7,379
OREO (included in other assets on the face of the consolidated balance sheets)	670		762
Other assets	4,193		9,090
Total assets			$	556,328
Liabilities
Deposits	$	1,285	$	438,684
Other borrowings	61		34,613
Accrued expenses and other liabilities	179		6,730
Total liabilities			$	480,028
Total consideration paid			$	76,300

The following table presents the estimated fair values of the assets acquired and liabilities assumed as of the acquisition date related to Huntington branch acquisition:

($ in Thousands)	Purchase Accounting Adjustments		June 14, 2019
Assets
Cash and cash equivalents	$	—	$	551,250
Loans	(1,552)		116,346
Premises and equipment, net	4,800		22,430
Goodwill			7,286
Core deposit intangibles (included in other intangible assets, net on the face of the consolidated balance sheets)	22,630		22,630
OREO (included in other assets on the face of the consolidated balance sheets)	(2,561)		5,263
Other assets	—		559
Total assets			$	725,764
Liabilities
Deposits	$	156	$	725,173
Other liabilities	70		590
Total liabilities			$	725,764

Financing Receivable, Purchased With Credit Deterioration

The carrying amount of those loans is as follows:

($ in Thousands)	February 14, 2020
Purchase price of loans at acquisition	$	77,221
Allowance for credit losses at acquisition	3,504
Non-credit discount/(premium) at acquisition	(951)
Par value of acquired loans at acquisition	$	79,774

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Summary of Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2020

Accounting Standards Update and Change in Accounting Principle [Abstract]

Schedule of New Accounting Pronouncements and Changes in Accounting Principles

The following table illustrates the adoption impact:

	December 31, 2019				January 1, 2020
($ in Thousands)	Allowance for Loan Losses		Allowance for Unfunded Commitments		CECL Day 1 Adjustment		ACLL Beginning Balance
Commercial and industrial	$	91,133	$	12,276	$	48,921	$	152,330
Commercial real estate - owner occupied	10,284		127		(1,851)		8,560
Commercial and business lending	101,417		12,403		47,070		160,890
Commercial real estate - investor	40,514		530		2,287		43,331
Real estate construction	24,915		7,532		25,814		58,261
Commercial real estate lending	65,428		8,062		28,101		101,591
Total Commercial	166,846		20,465		75,171		262,482
Residential mortgage	16,960		—		33,215		50,175
Home equity	10,926		1,038		14,240		26,204
Other consumer	6,639		405		8,520		15,564
Total consumer	34,525		1,443		55,975		91,943
Total loans	$	201,371	$	21,907	$	131,147	$	354,425

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Earnings Per Common Share (Tables)

6 Months Ended

Jun. 30, 2020

Earnings Per Share [Abstract]

Calculations for basic and diluted earnings per common share

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

	Three Months Ended June 30,				Six Months Ended June 30,
(In Thousands, except per share data)	2020		2019		2020		2019
Net income	$	148,718	$	84,661	$	194,555	$	171,347
Preferred stock dividends	(4,144)		(3,801)		(7,945)		(7,601)
Net income available to common equity	$	144,573	$	80,860	$	186,611	$	163,746
Common shareholder dividends	(27,667)		(27,571)		(55,931)		(55,650)
Unvested share-based payment awards	(222)		(205)		(351)		(308)
Undistributed earnings	$	116,684	$	53,085	$	130,329	$	107,787
Undistributed earnings allocated to common shareholders	$	115,750	$	52,690	$	129,377	$	107,098
Undistributed earnings allocated to unvested share-based payment awards	934		395		953		689
Undistributed earnings	$	116,684	$	53,085	$	130,329	$	107,787
Basic
Distributed earnings to common shareholders	$	27,667	$	27,571	$	55,931	$	55,650
Undistributed earnings allocated to common shareholders	115,750		52,690		129,377		107,098
Total common shareholders earnings, basic	$	143,417	$	80,261	$	185,307	$	162,748
Diluted
Distributed earnings to common shareholders	$	27,667	$	27,571	$	55,931	$	55,650
Undistributed earnings allocated to common shareholders	115,750		52,690		129,377		107,098
Total common shareholders earnings, diluted	$	143,417	$	80,261	$	185,307	$	162,748
Weighted average common shares outstanding	152,393		162,180		153,547		163,049
Effect of dilutive common stock awards	757		1,492		813		1,469
Diluted weighted average common shares outstanding	153,150		163,672		154,360		164,518
Basic earnings per common share	$	0.94	$	0.49	$	1.21	$	1.00
Diluted earnings per common share	$	0.94	$	0.49	$	1.20	$	0.99

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Stock-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2020

Retirement Benefits [Abstract]

Fair value assumptions of stock options

The following assumptions were used in estimating the fair value for options granted in the first six months of 2020 and full year 2019:

	2020		2019
Dividend yield	3.50	%	3.30	%
Risk-free interest rate	1.60	%	2.60	%
Weighted average expected volatility	21.00	%	24.00	%
Weighted average expected life	5.75 years		5.75 years
Weighted average per share fair value of options	$2.39		$4.00

Summary of company's stock option activities

A summary of the Corporation’s stock option activity for the six months ended June 30, 2020 is presented below:

Stock Options	Shares(a)	Weighted Average Exercise Price		Weighted Average Remaining Contractual Term	Aggregate Intrinsic Value(a)
Outstanding at December 31, 2019	5,543	$	20.13	6.25 years	$	16,043
Granted	1,697	18.43
Exercised	(110)	13.95
Forfeited or expired	(219)	22.30
Outstanding at June 30, 2020	6,911	$	19.74	6.73 years	$	213
Options Exercisable at June 30, 2020	4,242	$	19.21	5.32 years	$	213

(a) In thousands

Summary of restricted stock awards activity (excluding salary shares)

The following table summarizes information about the Corporation’s restricted stock awards activity for the six months ended June 30, 2020:

Restricted Stock Awards	Shares(a)	Weighted Average Grant Date Fair Value
Outstanding at December 31, 2019	2,393	$	22.39
Granted	1,032	18.38
Vested	(804)	23.05
Forfeited	(72)	22.64
Outstanding at June 30, 2020	2,550	$	20.56

(a) In thousands

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Investment Securities (Tables)

6 Months Ended

Jun. 30, 2020

Investments, Debt and Equity Securities [Abstract]

Investment securities available for sale

The amortized cost and fair values of securities available for sale and held to maturity at June 30, 2020 were as follows:

($ in Thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized (Losses)		Fair Value
Investment securities available for sale
U. S. Treasury securities	$	26,646	$	88	$	—	$	26,735
Agency securities	24,982		25		—		25,007
Obligations of state and political subdivisions (municipal securities)	471,346		24,542		—		495,888
Residential mortgage-related securities
FNMA / FHLMC	813,458		4,652		—		818,110
GNMA	592,338		13,222		—		605,561
Commercial mortgage-related securities
FNMA / FHLMC	19,793		2,269		—		22,061
GNMA	782,577		20,786		—		803,362
Asset backed securities
FFELP	356,532		—		(16,058)		340,474
SBA	9,619		—		(44)		9,575
Other debt securities	3,000		—		—		3,000
Total investment securities available for sale	$	3,100,291	$	65,584	$	(16,102)	$	3,149,773
Investment securities held to maturity
U. S. Treasury securities	$	999	$	36	$	—	$	1,036
Obligations of state and political subdivisions (municipal securities)	1,435,938		110,132		(53)		1,546,018
Residential mortgage-related securities
FNMA / FHLMC	71,872		3,400		—		75,271
GNMA	207,908		7,012		—		214,920
GNMA commercial mortgage-related securities	360,570		11,691		—		372,261
Total investment securities held to maturity	$	2,077,287	$	132,271	$	(53)	$	2,209,505

The amortized cost and fair values of securities available for sale and held to maturity at December 31, 2019 were as follows:

($ in Thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized (Losses)		Fair Value
Investment securities available for sale
Obligations of state and political subdivisions (municipal securities)	$	529,908	$	16,269	$	(18)	$	546,160
Residential mortgage-related securities
FNMA / FHLMC	131,158		1,562		(59)		132,660
GNMA	982,941		3,887		(1,689)		985,139
Commercial mortgage-related securities
FNMA / FHLMC	19,929		1,799		—		21,728
GNMA	1,314,836		7,403		(12,032)		1,310,207
FFELP asset backed securities	270,178		—		(6,485)		263,693
Other debt securities	3,000		—		—		3,000
Total investment securities available for sale	$	3,251,950	$	30,920	$	(20,284)	$	3,262,586
Investment securities held to maturity
U. S. Treasury securities	$	999	$	19	$	—	$	1,018
Obligations of state and political subdivisions (municipal securities)	1,418,569		69,775		(1,118)		1,487,227
Residential mortgage-related securities
FNMA / FHLMC	81,676		1,759		(15)		83,420
GNMA	269,523		1,882		(1,108)		270,296
GNMA commercial mortgage-related securities	434,317		6,308		(6,122)		434,503
Total investment securities held to maturity	$	2,205,083	$	79,744	$	(8,363)	$	2,276,465

Investment securities held to maturity

The amortized cost and fair values of securities available for sale and held to maturity at June 30, 2020 were as follows:

($ in Thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized (Losses)		Fair Value
Investment securities available for sale
U. S. Treasury securities	$	26,646	$	88	$	—	$	26,735
Agency securities	24,982		25		—		25,007
Obligations of state and political subdivisions (municipal securities)	471,346		24,542		—		495,888
Residential mortgage-related securities
FNMA / FHLMC	813,458		4,652		—		818,110
GNMA	592,338		13,222		—		605,561
Commercial mortgage-related securities
FNMA / FHLMC	19,793		2,269		—		22,061
GNMA	782,577		20,786		—		803,362
Asset backed securities
FFELP	356,532		—		(16,058)		340,474
SBA	9,619		—		(44)		9,575
Other debt securities	3,000		—		—		3,000
Total investment securities available for sale	$	3,100,291	$	65,584	$	(16,102)	$	3,149,773
Investment securities held to maturity
U. S. Treasury securities	$	999	$	36	$	—	$	1,036
Obligations of state and political subdivisions (municipal securities)	1,435,938		110,132		(53)		1,546,018
Residential mortgage-related securities
FNMA / FHLMC	71,872		3,400		—		75,271
GNMA	207,908		7,012		—		214,920
GNMA commercial mortgage-related securities	360,570		11,691		—		372,261
Total investment securities held to maturity	$	2,077,287	$	132,271	$	(53)	$	2,209,505

The amortized cost and fair values of securities available for sale and held to maturity at December 31, 2019 were as follows:

($ in Thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized (Losses)		Fair Value
Investment securities available for sale
Obligations of state and political subdivisions (municipal securities)	$	529,908	$	16,269	$	(18)	$	546,160
Residential mortgage-related securities
FNMA / FHLMC	131,158		1,562		(59)		132,660
GNMA	982,941		3,887		(1,689)		985,139
Commercial mortgage-related securities
FNMA / FHLMC	19,929		1,799		—		21,728
GNMA	1,314,836		7,403		(12,032)		1,310,207
FFELP asset backed securities	270,178		—		(6,485)		263,693
Other debt securities	3,000		—		—		3,000
Total investment securities available for sale	$	3,251,950	$	30,920	$	(20,284)	$	3,262,586
Investment securities held to maturity
U. S. Treasury securities	$	999	$	19	$	—	$	1,018
Obligations of state and political subdivisions (municipal securities)	1,418,569		69,775		(1,118)		1,487,227
Residential mortgage-related securities
FNMA / FHLMC	81,676		1,759		(15)		83,420
GNMA	269,523		1,882		(1,108)		270,296
GNMA commercial mortgage-related securities	434,317		6,308		(6,122)		434,503
Total investment securities held to maturity	$	2,205,083	$	79,744	$	(8,363)	$	2,276,465

Amortized cost and fair values of investment securities by contractual maturity

The expected maturities of investment securities available for sale and held to maturity at June 30, 2020 are shown below:

	Available for Sale					Held to Maturity
($ in Thousands)	Amortized Cost		Fair Value			Amortized Cost		Fair Value
Due in one year or less	$	9,427	$	9,458		$	33,745	$	33,927
Due after one year through five years	83,136		83,882			67,917		69,887
Due after five years through ten years	343,084		360,051			166,553		175,189
Due after ten years	90,327		97,240			1,168,722		1,268,050
Total debt securities	525,975		550,630			1,436,937		1,547,053
Residential mortgage-related securities
FNMA / FHLMC	813,458		818,110			71,872		75,271
GNMA	592,338		605,561			207,908		214,920
Commercial mortgage-related securities
FNMA / FHLMC	19,793		22,061			—		—
GNMA	782,577		803,362			360,570		372,261
Asset backed securities
FFELP	356,532		340,474			—		—
SBA	9,619		9,575			—		—
Total investment securities	$	3,100,291	$	3,149,773		$	2,077,287	$	2,209,505
Ratio of fair value to amortized cost			101.6		%			106.4		%

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

The following table summarizes the credit quality indicators of held to maturity securities at amortized cost at June 30, 2020:

($ in Thousands)	AAA		AA		A		Total
U. S. Treasury securities	$	999	$	—	$	—	$	999
Obligations of state and political subdivisions (municipal securities)	561,670		853,910		20,358		1,435,938
Residential mortgage-related securities
FNMA/FHLMC	71,872		—		—		71,872
GNMA	207,908		—		—		207,908
GNMA commercial mortgage-related securities	360,570		—		—		360,570
Total held to maturity securities	$	1,203,018	$	853,910	$	20,358	$	2,077,287

Realized gains and losses and proceeds from sale

The proceeds from the sale of investment securities for the three and six months ended June 30, 2020 and 2019 are shown below:

	Three Months Ended June 30,				Six Months Ended June 30,
($ in Thousands)	2020		2019		2020		2019
Gross gains on available for sale securities	$	3,106	$	654	$	9,304	$	2,334
Gross gains on held to maturity securities	—		—		—		—
Total gains	3,106		654		9,304		2,334
Gross (losses) on available for sale securities	(11)		(13,636)		(90)		(13,636)
Gross (losses) on held to maturity securities	—		—		—		—
Total (losses)	(11)		(13,636)		(90)		(13,636)
Write-up of equity securities without readily determinable fair values	—		13,444		—		13,444
Investment securities gains (losses), net	$	3,096	$	463	$	9,214	$	2,143
Proceeds from sales of investment securities	$	261,037	$	803,105	$	626,276	$	934,228

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

The following represents gross unrealized losses and the related fair value of investment securities available for sale and held to maturity, aggregated by investment category and length of time individual securities have been in a continuous unrealized loss position, at June 30, 2020:

	Less than 12 months					12 months or more					Total
($ in Thousands)	Number of Securities	Unrealized (Losses)		Fair Value		Number of Securities	Unrealized (Losses)		Fair Value		Unrealized (Losses)		Fair Value
Investment securities available for sale
Obligations of state and political subdivisions (municipal securities)	1	$	—	$	548	—	$	—	$	—	$	—	$	548
FNMA / FHLMC residential mortgage-related securities	5	—		54,893		—	—		—		—		54,893
Asset backed securities
FFELP	9	(5,478)		147,310		17	(10,580)		193,164		(16,058)		340,474
SBA	15	(44)		9,422		—	—		—		(44)		9,422
Total	30	$	(5,522)	$	212,172	17	$	(10,580)	$	193,164	$	(16,102)	$	405,336
Investment securities held to maturity
Obligations of state and political subdivisions (municipal securities)	8	$	(52)	$	12,431	2	$	(1)	$	365	$	(53)	$	12,796
Total	8	$	(52)	$	12,431	2	$	(1)	$	365	$	(53)	$	12,796

For comparative purposes, the following represents gross unrealized losses and the related fair value of investment securities available for sale and held to maturity, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position, at December 31, 2019:

	Less than 12 months					12 months or more					Total
($ in Thousands)	Number of Securities	Unrealized (Losses)		Fair Value		Number of Securities	Unrealized (Losses)		Fair Value		Unrealized (Losses)		Fair Value
Investment securities available for sale
Obligations of state and political subdivisions (municipal securities)	4	$	(18)	$	1,225	—	$	—	$	—	$	(18)	$	1,225
Residential mortgage-related securities
FNMA / FHLMC	—	—		—		4	(59)		34,807		(59)		34,807
GNMA	18	(924)		322,394		3	(766)		79,461		(1,689)		401,856
GNMA commercial mortgage-related securities	22	(810)		258,218		42	(11,222)		621,307		(12,032)		879,524
FFELP asset backed securities	19	(6,092)		250,780		2	(393)		12,913		(6,485)		263,693
Other debt securities	2	—		2,000		—	—		—		—		2,000
Total	65	$	(7,843)	$	834,616	51	$	(12,440)	$	748,487	$	(20,284)	$	1,583,104
Investment securities held to maturity
Obligations of state and political subdivisions (municipal securities)	52	$	(1,105)	$	77,562	6	$	(13)	$	2,378	$	(1,118)	$	79,940
Residential mortgage-related securities
FNMA / FHLMC	1	(6)		1,242		1	(9)		833		(15)		2,075
GNMA	12	(1,059)		187,261		8	(49)		6,587		(1,108)		193,849
GNMA commercial mortgage-related securities	2	(29)		26,202		21	(6,093)		357,733		(6,122)		383,935
Total	67	$	(2,199)	$	292,267	36	$	(6,164)	$	367,532	$	(8,363)	$	659,799

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Loans Loans (Tables)

6 Months Ended

Jun. 30, 2020

Receivables [Abstract]

Loan composition

The period end loan composition was as follows:

($ in Thousands)	June 30, 2020		December 31, 2019
PPP	$	1,012,033	$	—
Commercial and industrial	7,968,709		7,354,594
Commercial real estate — owner occupied	914,385		911,265
Commercial and business lending	9,895,127		8,265,858
Commercial real estate — investor	4,174,125		3,794,517
Real estate construction	1,708,189		1,420,900
Commercial real estate lending	5,882,314		5,215,417
Total commercial	15,777,441		13,481,275
Residential mortgage	7,933,518		8,136,980
Home equity	795,671		852,025
Other consumer	326,040		351,159
Total consumer	9,055,230		9,340,164
Total loans	$	24,832,671	$	22,821,440

Commercial and consumer loans by credit quality indicator

The following table presents commercial and consumer loans by credit quality indicator by vintage year at June 30, 2020:

					Term Loans Amortized Cost Basis by Origination Year(a)
($ in Thousands)	Rev Loans Converted to Term(a)		Rev Loans Amortized Cost Basis		YTD 2020		2019		2018		2017		2016		Prior		Total
PPP:(b)
Risk rating:
Pass	$	—	$	—	$	985,462	$	—	$	—	$	—	$	—	$	—	$	985,462
Special Mention	—		—		7,409		—		—		—		—		—		7,409
Potential Problem	—		—		19,161		—		—		—		—		—		19,161
Paycheck Protection Program	$	—	$	—	$	1,012,033	$	—	$	—	$	—	$	—	$	—	$	1,012,033
Commercial and industrial:
Risk rating:
Pass	$	20	$	1,832,797	$	929,266	$	1,759,308	$	1,650,024	$	597,967	$	361,006	$	531,995	$	7,662,364
Special Mention	—		12,802		379		23,783		7,299		15		5,541		17		49,836
Potential Problem(c)	517		12,963		17,235		16,544		66,699		52,176		8,492		2,162		176,270
Nonaccrual(d)	14,465		—		1,597		7,140		188		24,550		16,624		30,141		80,239
Commercial and industrial	$	15,003	$	1,858,562	$	948,477	$	1,806,776	$	1,724,210	$	674,708	$	391,662	$	564,314	$	7,968,709
Commercial real estate - owner occupied:
Risk rating:
Pass	$	1,150	$	17,897	$	94,106	$	213,234	$	131,748	$	121,963	$	166,366	$	111,790	$	857,103
Special Mention	—		—		2,450		16,317		12,776		128		2,439		5,321		39,432
Potential Problem	—		77		661		1,409		1,923		2,461		6,106		3,281		15,919
Nonaccrual	—		—		—		—		223		335		—		1,374		1,932
Commercial real estate - owner occupied	$	1,150	$	17,973	$	97,217	$	230,960	$	146,670	$	124,887	$	174,911	$	121,768	$	914,385
Commercial and business lending:
Risk rating:
Pass	$	1,170	$	1,850,694	$	2,008,834	$	1,972,542	$	1,781,772	$	719,930	$	527,371	$	643,786	$	9,504,929
Special Mention	—		12,802		10,239		40,100		20,075		143		7,979		5,338		96,677
Potential Problem(c)	517		13,040		37,058		17,953		68,622		54,637		14,598		5,443		211,350
Nonaccrual(d)	14,465		—		1,597		7,140		411		24,884		16,624		31,515		82,171
Commercial and business lending	$	16,153	$	1,876,535	$	2,057,727	$	2,037,736	$	1,870,880	$	799,595	$	566,572	$	686,082	$	9,895,127
Commercial real estate - investor:
Risk rating:
Pass	$	—	$	176,047	$	847,031	$	1,083,145	$	836,244	$	378,098	$	400,279	$	288,644	$	4,009,488
Special Mention	—		—		12,886		4,869		17,098		3,686		17,180		9,509		65,228
Potential Problem	—		803		14,703		52,762		3,313		314		1,796		14,547		88,237
Nonaccrual	446		—		395		10,256		446		—		—		75		11,172
Commercial real estate - investor	$	446	$	176,850	$	875,014	$	1,151,033	$	857,101	$	382,098	$	419,255	$	312,775	$	4,174,125
Real estate construction:
Risk rating:
Pass	$	—	$	67,584	$	279,683	$	810,738	$	434,146	$	69,790	$	3,095	$	22,066	$	1,687,100
Special Mention	—		—		—		—		18,402		—		—		12		18,414
Potential Problem	—		—		—		211		358		1,557		—		45		2,170
Nonaccrual	—		—		—		—		—		—		—		503		503
Real estate construction	$	—	$	67,584	$	279,683	$	810,949	$	452,906	$	71,346	$	3,095	$	22,627	$	1,708,189
Commercial real estate lending:
Risk rating:
Pass	$	—	$	243,630	$	1,126,713	$	1,893,883	$	1,270,390	$	447,888	$	403,374	$	310,710	$	5,696,589
Special Mention	—		—		12,886		4,869		35,500		3,686		17,180		9,522		83,643
Potential Problem	—		803		14,703		52,973		3,670		1,870		1,796		14,592		90,407
Nonaccrual	446		—		395		10,256		446		—		—		578		11,675
Commercial real estate lending	$	446	$	244,433	$	1,154,696	$	1,961,982	$	1,310,007	$	453,444	$	422,349	$	335,402	$	5,882,314

					Term Loans Amortized Cost Basis by Origination Year(a)
($ in Thousands)	Rev Loans Converted to Term(a)		Rev Loans Amortized Cost Basis		YTD 2020		2019		2018		2017		2016		Prior		Total
Total commercial:
Risk rating:
Pass	$	1,170	$	2,094,324	$	3,135,547	$	3,866,425	$	3,052,162	$	1,167,818	$	930,746	$	954,496	$	15,201,517
Special Mention	—		12,802		23,125		44,969		55,576		3,829		25,159		14,860		180,320
Potential Problem	517		13,843		51,760		70,927		72,292		56,507		16,393		20,035		301,758
Nonaccrual	14,911		—		1,992		17,397		857		24,884		16,624		32,093		93,846
Total commercial	$	16,599	$	2,120,969	$	3,212,424	$	3,999,718	$	3,180,887	$	1,253,039	$	988,922	$	1,021,484	$	15,777,441
Residential mortgage:
Risk rating:
Pass	$	—	$	90	$	943,953	$	1,726,616	$	766,921	$	1,274,176	$	1,160,820	$	1,990,617	$	7,863,194
Special Mention	—		—		—		—		270		—		36		206		511
Potential Problem	—		—		780		707		205		212		226		1,028		3,157
Nonaccrual	—		—		1,758		3,659		6,953		8,434		10,798		35,055		66,656
Residential mortgage	$	—	$	90	$	946,490	$	1,730,982	$	774,348	$	1,282,822	$	1,171,880	$	2,026,905	$	7,933,518
Home equity:
Risk rating:
Pass	$	2,005	$	631,366	$	1,746	$	16,439	$	21,034	$	15,073	$	7,510	$	88,904	$	782,073
Special Mention	233		199		—		—		16		24		—		610		849
Potential Problem	—		1,775		—		—		—		—		—		146		1,921
Nonaccrual	586		673		297		124		491		387		233		8,623		10,829
Home equity	$	2,824	$	634,013	$	2,044	$	16,564	$	21,541	$	15,484	$	7,743	$	98,282	$	795,671
Other consumer:
Risk rating:
Pass	$	15	$	168,601	$	4,497	$	14,764	$	5,581	$	2,811	$	2,015	$	126,920	$	325,190
Special Mention	1		530		—		30		6		—		—		7		574
Nonaccrual	7		84		10		53		22		—		78		30		276
Other consumer	$	22	$	169,215	$	4,507	$	14,847	$	5,610	$	2,811	$	2,094	$	126,957	$	326,040
Total consumer:
Risk rating:
Pass	$	2,020	$	800,057	$	950,196	$	1,757,820	$	793,537	$	1,292,060	$	1,170,346	$	2,206,441	$	8,970,456
Special Mention	234		729		—		30		292		24		36		823		1,934
Potential Problem	—		1,775		780		707		205		212		226		1,174		5,078
Nonaccrual	593		757		2,065		3,836		7,466		8,821		11,110		43,707		77,761
Total consumer	$	2,846	$	803,318	$	953,041	$	1,762,393	$	801,499	$	1,301,117	$	1,181,717	$	2,252,145	$	9,055,230
Total loans:
Risk rating:
Pass	$	3,190	$	2,894,381	$	4,085,744	$	5,624,245	$	3,845,698	$	2,459,878	$	2,101,091	$	3,160,936	$	24,171,974
Special Mention	234		13,531		23,125		44,999		55,868		3,854		25,195		15,683		182,254
Potential Problem	517		15,618		52,540		71,634		72,497		56,719		16,619		21,209		306,836
Nonaccrual	15,504		757		4,056		21,232		8,323		33,705		27,733		75,800		171,607
Total loans	$	19,445	$	2,924,286	$	4,165,465	$	5,762,111	$	3,982,386	$	2,554,155	$	2,170,639	$	3,273,628	$	24,832,671

(a) Revolving loans converted to term loans are also reported in their year of origination

(b) The Corporation’s policy is to assign risk ratings at the borrower level. PPP loans are 100% guaranteed by the SBA and therefore the Corporation considers these loans to have a risk profile similar to pass rated loans.

(c) Includes $63 million of oil and gas related loans

(d) Includes $50 million of oil and gas related loans

The following table presents commercial and consumer loans by credit quality indicator at December 31, 2019:

($ in Thousands)	Pass		Special Mention		Potential Problem		Nonaccrual		Total
Commercial and industrial	$	7,118,448	$	79,525	$	110,308	$	46,312	$	7,354,594
Commercial real estate - owner occupied	866,193		25,115		19,889		67		911,265
Commercial and business lending	7,984,641		104,641		130,197		46,380		8,265,858
Commercial real estate - investor	3,620,785		139,873		29,449		4,409		3,794,517
Real estate construction	1,420,374		33		—		493		1,420,900
Commercial real estate lending	5,041,159		139,906		29,449		4,902		5,215,417
Total commercial	13,025,800		244,547		159,646		51,282		13,481,275
Residential mortgage	8,077,122		563		1,451		57,844		8,136,980
Home equity	841,757		1,164		—		9,104		852,025
Other consumer	350,260		748		—		152		351,159
Total consumer	9,269,139		2,475		1,451		67,099		9,340,164
Total loans	$	22,294,939	$	247,022	$	161,097	$	118,380	$	22,821,440

Summarized details of Loans

The following table presents loans by past due status at June 30, 2020:

	Accruing
($ in Thousands)	Current(a)		30-59 Days Past Due		60-89 Days Past Due		90 Days or More Past Due		Nonaccrual(b)(c)		Total
PPP	$	1,012,033	$	—	$	—	$	—	$	—	$	1,012,033
Commercial and industrial	7,887,369		274		442		385		80,239		7,968,709
Commercial real estate - owner occupied	912,254		199		—		—		1,932		914,385
Commercial and business lending	9,811,656		473		442		385		82,171		9,895,127
Commercial real estate - investor	4,149,079		2,886		10,989		—		11,172		4,174,125
Real estate construction	1,707,300		373		12		—		503		1,708,189
Commercial real estate lending	5,856,379		3,259		11,001		—		11,675		5,882,314
Total commercial	15,668,035		3,732		11,443		385		93,846		15,777,441
Residential mortgage	7,863,839		2,789		233		—		66,656		7,933,518
Home equity	781,735		2,259		849		—		10,829		795,671
Other consumer	323,201		883		599		1,081		276		326,040
Total consumer	8,968,775		5,932		1,681		1,081		77,761		9,055,230
Total loans	$	24,636,810	$	9,664	$	13,125	$	1,466	$	171,607	$	24,832,671

(a) Any deferred loans related to COVID-19 are considered current in accordance with Section 4013 of the CARES Act.

(b) Of the total nonaccrual loans, $117 million, or 68%, were current with respect to payment at June 30, 2020.

(c) No interest income was recognized on nonaccrual loans for both the three and six months ended June 30, 2020. In addition, there were $91 million of nonaccrual loans for which there was no related ACLL at June 30, 2020.

The following table presents loans by past due status at December 31, 2019:

	Accruing
($ in Thousands)	Current		30-59 Days Past Due		60-89 Days Past Due		90 Days or More Past Due		Nonaccrual(a)		Total
Commercial and industrial	$	7,307,118	$	576	$	245	$	342	$	46,312	$	7,354,594
Commercial real estate - owner occupied	909,828		1,369		—		—		67		911,265
Commercial and business lending	8,216,947		1,945		245		342		46,380		8,265,858
Commercial real estate - investor	3,788,296		1,812		—		—		4,409		3,794,517
Real estate construction	1,420,310		64		33		—		493		1,420,900
Commercial real estate lending	5,208,606		1,876		33		—		4,902		5,215,417
Total commercial	13,425,552		3,821		278		342		51,282		13,481,275
Residential mortgage	8,069,863		8,749		525		—		57,844		8,136,980
Home equity	837,274		4,483		1,164		—		9,104		852,025
Other consumer	347,007		1,135		949		1,917		152		351,159
Total consumer	9,254,144		14,366		2,638		1,917		67,099		9,340,164
Total loans	$	22,679,696	$	18,188	$	2,916	$	2,259	$	118,380	$	22,821,440

(a) Of the total nonaccrual loans, $48 million, or 41%, were current with respect to payment at December 31, 2019.

Summarized details of impaired Loans

The following table presents impaired loans individually evaluated under ASC Topic 310, excluding $2 million of purchased credit-impaired loans, at December 31, 2019: 

($ in Thousands)	Recorded Investment		Unpaid Principal Balance		Related Allowance		Average Recorded Investment		Interest Income Recognized
Loans with a related allowance
Commercial and industrial	$	47,249	$	63,346	$	12,010	$	45,290	$	1,832
Commercial real estate — owner occupied	1,676		1,682		19		1,774		88
Commercial and business lending	48,924		65,028		12,029		47,064		1,919
Commercial real estate — investor	928		2,104		15		950		15
Real estate construction	477		559		67		494		30
Commercial real estate lending	1,405		2,663		82		1,445		45
Total commercial	50,329		67,691		12,111		48,509		1,965
Residential mortgage	21,450		22,625		2,740		23,721		856
Home equity	3,076		3,468		1,190		3,756		191
Other consumer	1,247		1,249		125		1,250		1
Total consumer	25,773		27,342		4,055		28,726		1,047
Total loans with a related allowance	$	76,102	$	95,033	$	16,165	$	77,235	$	3,012
Loans with no related allowance
Commercial and industrial	$	14,787	$	33,438	$	—	$	20,502	$	63
Commercial real estate — owner occupied	—		—		—		—		—
Commercial and business lending	14,787		33,438		—		20,502		63
Commercial real estate — investor	3,705		3,705		—		3,980		159
Real estate construction	—		—		—		—		—
Commercial real estate lending	3,705		3,705		—		3,980		159
Total commercial	18,491		37,142		—		24,482		222
Residential mortgage	14,104		14,461		—		10,962		373
Home equity	1,346		1,383		—		1,017		21
Other consumer	—		—		—		—		—
Total consumer	15,450		15,845		—		11,979		394
Total loans with no related allowance	$	33,941	$	52,987	$	—	$	36,462	$	616
Total
Commercial and industrial	$	62,035	$	96,784	$	12,010	$	65,792	$	1,895
Commercial real estate — owner occupied	1,676		1,682		19		1,774		88
Commercial and business lending	63,711		98,466		12,029		67,566		1,982
Commercial real estate — investor	4,633		5,808		15		4,931		174
Real estate construction	477		559		67		494		30
Commercial real estate lending	5,110		6,367		82		5,425		204
Total commercial	68,820		104,833		12,111		72,991		2,186
Residential mortgage	35,554		37,087		2,740		34,683		1,229
Home equity	4,422		4,851		1,190		4,773		211
Other consumer	1,247		1,249		125		1,250		1
Total consumer	41,223		43,187		4,055		40,706		1,441
Total loans(a)	$	110,043	$	148,020	$	16,165	$	113,697	$	3,628

(a) The net recorded investment (defined as recorded investment, net of the related allowance) of the impaired loans represented 63% of the unpaid principal balance at December 31, 2019.

Nonaccrual and performing restructured loans

The following table presents nonaccrual and performing restructured loans by loan portfolio:

	June 30, 2020				December 31, 2019
($ in Thousands)	Performing Restructured Loans		Nonaccrual Restructured Loans(a)		Performing Restructured Loans		Nonaccrual Restructured Loans(a)
PPP	$	—	$	—	$	—	$	—
Commercial and industrial	16,321		7,968		16,678		7,376
Commercial real estate — owner occupied	1,441		—		1,676		—
Commercial real estate — investor	114		395		293		—
Real estate construction	313		173		298		179
Residential mortgage	4,178		15,401		3,955		13,035
Home equity	1,717		1,424		1,896		1,904
Other consumer	1,219		—		1,246		1
Total restructured loans(b)	$	25,303	$	25,362	$	26,041	$	22,494

(a) Nonaccrual restructured loans have been included within nonaccrual loans.

(b) Does not include any restructured loans related to COVID-19 in accordance with Section 4013 of the CARES Act.

Summary of restructured loans

The following table provides the number of loans modified in a TDR by loan portfolio, the recorded investment and unpaid principal balance for the six months ended June 30, 2020 and 2019:

	Six Months Ended June 30, 2020					Six Months Ended June 30, 2019
($ in Thousands)	Number of Loans	Recorded Investment(a)		Unpaid Principal Balance(b)		Number of Loans	Recorded Investment(a)		Unpaid Principal Balance(b)
PPP	—	$	—	$	—	—	$	—	$	—
Commercial and industrial	2	1,112		1,140		1	196		196
Commercial real estate — owner occupied	1	288		319		—	—		—
Commercial real estate — investor	1	395		1,705		—	—		—
Real estate construction	1	102		102		—	—		—
Residential mortgage	24	5,163		5,237		38	5,665		5,682
Home equity	15	471		483		18	499		506
Other consumer	—	—		—		1	10		10
Total loans modified	44	$	7,531	$	8,986	58	$	6,370	$	6,394

(a) Represents post-modification outstanding recorded investment.

(b) Represents pre-modification outstanding recorded investment.

Troubled debt restructurings subsequent redefault

The following table provides the number of loans modified in a TDR during the previous twelve months which subsequently defaulted during the six months ended June 30, 2020 and 2019 and the recorded investment in these restructured loans as of June 30, 2020 and 2019:

	Six Months Ended June 30, 2020			Six Months Ended June 30, 2019
($ in Thousands)	Number of Loans	Recorded Investment		Number of Loans	Recorded Investment
Residential mortgage	5	$	1,036	16	$	2,813
Home equity	4	208		14	477
Total loans modified	9	$	1,244	30	$	3,290

Changes in the allowance for loan losses by portfolio segment

The following table presents a summary of the changes in the ACLL by portfolio segment for the six months ended June 30, 2020:

($ in Thousands)	Dec. 31, 2019		Cumulative effect of ASU 2016-13 adoption (CECL)		Jan. 1, 2020		Charge offs		Recoveries		Net Charge offs		Gross up of allowance for PCD loans at acquisition		Provision recorded at acquisition		Provision for loan losses		June 30, 2020		ACLL / Loans
Allowance for loan losses
PPP	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	808	$	808
Commercial and industrial	91,133		52,919		144,052		(42,183)		2,215		(39,968)		293		408		70,767		175,553
Commercial real estate — owner occupied	10,284		(1,851)		8,433		—		1		1		890		255		736		10,315
Commercial and business lending	101,417		51,068		152,485		(42,183)		2,216		(39,967)		1,183		663		72,311		186,676
Commercial real estate — investor	40,514		2,041		42,555		(140)		168		28		753		472		14,713		58,520
Real estate construction	24,915		7,467		32,382		(19)		27		8		435		492		5,076		38,393
Commercial real estate lending	65,428		9,508		74,937		(159)		195		36		1,188		964		19,789		96,913
Total commercial	166,846		60,576		227,422		(42,342)		2,412		(39,931)		2,371		1,627		92,101		283,590
Residential mortgage	16,960		33,215		50,175		(1,301)		174		(1,127)		651		403		(6,276)		43,825
Home equity	10,926		11,649		22,575		(1,213)		981		(232)		422		374		(1,677)		21,462
Other consumer	6,639		7,016		13,655		(2,802)		562		(2,240)		61		140		3,309		14,926
Total consumer	34,525		51,880		86,405		(5,316)		1,717		(3,599)		1,134		917		(4,644)		80,213
Total loans	$	201,371	$	112,457	$	313,828	$	(47,659)	$	4,129	$	(43,530)	$	3,504	$	2,543	$	87,457	$	363,803
Allowance for unfunded commitments
PPP	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Commercial and industrial	12,276		(3,998)		8,278		—		—		—		—		61		11,261		19,601
Commercial real estate — owner occupied	127		—		127		—		—		—		—		4		93		224
Commercial and business lending	12,403		(3,998)		8,405		—		—		—		—		65		11,354		19,824
Commercial real estate — investor	530		246		776		—		—		—		—		2		(227)		550
Real estate construction	7,532		18,347		25,879		—		—		—		—		45		11,956		37,880
Commercial real estate lending	8,062		18,593		26,655		—		—		—		—		47		11,729		38,430
Total commercial	20,465		14,595		35,060		—		—		—		—		112		23,084		58,256
Home equity	1,038		2,591		3,629		—		—		—		—		66		152		3,846
Other consumer	405		1,504		1,909		—		—		—		—		—		766		2,675
Total consumer	1,443		4,095		5,538		—		—		—		—		66		917		6,522
Total loans	$	21,907	$	18,690	$	40,597	$	—	$	—	$	—	$	—	$	179	$	24,000	$	64,776
Allowance for credit losses on loans
PPP	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	808	$	808	0.08	%
Commercial and industrial	103,409		48,921		152,330		(42,183)		2,215		(39,968)		293		469		82,028		195,155		2.45	%
Commercial real estate — owner occupied	10,411		(1,851)		8,560		—		1		1		890		259		829		10,538		1.15	%
Commercial and business lending	113,820		47,070		160,890		(42,183)		2,216		(39,967)		1,183		728		83,666		206,501		2.09	%
Commercial real estate — investor	41,044		2,287		43,331		(140)		168		28		753		474		14,486		59,070		1.42	%
Real estate construction	32,447		25,814		58,261		(19)		27		8		435		537		17,032		76,273		4.47	%
Commercial real estate lending	73,490		28,101		101,591		(159)		195		36		1,188		1,011		31,518		135,343		2.30	%
Total commercial	187,311		75,171		262,482		(42,342)		2,412		(39,931)		2,371		1,739		115,184		341,844		2.17	%
Residential mortgage	16,960		33,215		50,175		(1,301)		174		(1,127)		651		403		(6,277)		43,826		0.55	%
Home equity	11,964		14,240		26,204		(1,213)		981		(232)		422		440		(1,526)		25,308		3.18	%
Other consumer	7,044		8,520		15,564		(2,802)		562		(2,240)		61		140		4,076		17,601		5.40	%
Total consumer	35,968		55,975		91,943		(5,316)		1,717		(3,599)		1,134		983		(3,727)		86,735		0.96	%
Total loans	$	223,278	$	131,147	$	354,425	$	(47,659)	$	4,129	$	(43,530)	$	3,504	$	2,722	$	111,457	$	428,579	1.73	%

The following table presents details of the allowance for loan losses segregated by loan portfolio segment as of December 31, 2019, calculated in accordance with prior incurred loss methodology applicable under ASC Topic 310:

($ in Thousands)	December 31, 2018		Charge offs		Recoveries		Net Charge offs		Provision for loan losses		December 31, 2019
Allowance for loan losses
Commercial and industrial	$	108,835	$	(63,315)	$	11,875	$	(51,441)	$	33,738	$	91,133
Commercial real estate — owner occupied	9,255		(222)		2,795		2,573		(1,543)		10,284
Commercial and business lending	118,090		(63,537)		14,670		(48,868)		32,195		101,417
Commercial real estate — investor	40,844		—		31		31		(361)		40,514
Real estate construction	28,240		(60)		302		243		(3,568)		24,915
Commercial real estate lending	69,084		(60)		333		274		(3,929)		65,429
Total commercial	187,174		(63,597)		15,003		(48,594)		28,266		166,846
Residential mortgage	25,595		(3,322)		692		(2,630)		(6,005)		16,960
Home equity	19,266		(1,846)		2,599		753		(9,093)		10,926
Other consumer	5,988		(5,548)		868		(4,681)		5,332		6,639
Total consumer	50,849		(10,716)		4,159		(6,558)		(9,766)		34,525
Total loans	$	238,023	$	(74,313)	$	19,161	$	(55,152)	$	18,500	$	201,371

A summary of the individually and collectively evaluated loans by portfolio segment at December 31, 2019, was as follows:

	Allowance for loan losses						Loans
($ in Thousands)	Individually evaluated for impairment		Collectively evaluated for impairment		Total allowance for loan losses		Individually evaluated for impairment		Collectively evaluated for impairment		Acquired and accounted for under ASC 310-30(a)		Total loans
Commercial and industrial	$	12,010	$	79,123	$	91,133	$	62,035	$	7,292,217	$	342	$	7,354,594
Commercial real estate — owner occupied	19		10,265		10,284		1,676		909,010		579		911,265
Commercial and business lending	12,029		89,388		101,417		63,711		8,201,227		921		8,265,858
Commercial real estate — investor	15		40,498		40,514		4,633		3,789,755		129		3,794,517
Real estate construction	67		24,848		24,915		477		1,420,416		7		1,420,900
Commercial real estate lending	82		65,346		65,429		5,110		5,210,171		136		5,215,417
Total commercial	12,111		154,734		166,846		68,821		13,411,398		1,057		13,481,275
Residential mortgage	2,740		14,220		16,960		35,554		8,100,958		469		8,136,980
Home equity	1,190		9,737		10,926		4,422		847,577		26		852,025
Other consumer	125		6,514		6,639		1,247		349,912		—		351,159
Total consumer	4,055		30,471		34,525		41,223		9,298,447		495		9,340,164
Total loans	$	16,165	$	185,205	$	201,371	$	110,043	$	22,709,845	$	1,552	$	22,821,440

(a) Loans acquired in business combinations and accounted for under ASC Subtopic 310-30 "Receivables — Loans and Debt Securities Acquired with Deteriorated Credit Quality."

Changes in the allowance for unfunded commitments

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

($ in Thousands)	Six Months Ended June 30, 2020		Year Ended December 31, 2019
Allowance for Unfunded Commitments
Balance at beginning of period	$	21,907	$	24,336
Cumulative effect of ASU 2016-13 adoption (CECL)	18,690		N/A
Balance at beginning of period, adjusted	40,597		24,336
Provision for unfunded commitments	24,000		(2,500)
Amount recorded at acquisition	179		70
Balance at end of period	$	64,776	$	21,907

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Goodwill and Other Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Summary of core deposit intangibles and other intangibles

For CDIs and other intangibles, changes in the gross carrying amount, accumulated amortization, and net book value were as follows:

($ in Thousands)	Six Months Ended June 30, 2020		Year Ended December 31, 2019
Core deposit intangibles
Gross carrying amount at the beginning of the year	$	80,730	$	58,100
Additions during the period	7,379		22,630
Accumulated amortization	(16,800)		(12,456)
Net book value	$	71,309	$	68,274
Amortization during the year	$	4,344	$	7,130
Other intangibles
Gross carrying amount at the beginning of the year	$	38,970	$	44,887
Additions during the period	200		—
Reductions due to sale	(17,435)		(217)
Accumulated amortization	(20,285)		(24,643)
Net book value	$	1,450	$	20,027
Amortization during the year	$	1,343	$	2,818

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

A summary of changes in the balance of the MSRs asset and the MSRs valuation allowance is as follows:

($ in Thousands)	Six Months Ended June 30, 2020			Year Ended December 31, 2019
Mortgage servicing rights
Mortgage servicing rights at beginning of period	$	67,607		$	68,433
Additions from acquisition	1,357			—
Additions	7,812			11,606
Amortization	(10,043)			(12,432)
Mortgage servicing rights at end of period	$	66,734		$	67,607
Valuation allowance at beginning of period	$	(302)		$	(239)
(Additions) recoveries, net	(17,029)			(63)
Valuation allowance at end of period	$	(17,331)		$	(302)
Mortgage servicing rights, net	$	49,403		$	67,306
Fair value of mortgage servicing rights	$	49,423		$	72,532
Portfolio of residential mortgage loans serviced for others (“servicing portfolio”)	$	8,454,204		$	8,488,969
Mortgage servicing rights, net to servicing portfolio	0.58		%	0.79		%
Mortgage servicing rights expense(a)	$	27,072		$	12,494

(a) Includes the amortization of mortgage servicing rights and additions / recoveries to the valuation allowance of mortgage servicing rights, and is a component of mortgage banking, net on the consolidated statements of income

Summary of estimated future amortization expense

The following table shows the estimated future amortization expense for amortizing intangible assets:

($ in Thousands)	Core Deposit Intangibles		Other Intangibles		Mortgage Servicing Rights
Six Months Ending December 31, 2020	$	4,405	$	100	$	7,676
2021	8,811		200		14,970
2022	8,811		200		10,982
2023	8,811		200		8,269
2024	8,811		200		6,409
2025	8,811		200		5,082
Beyond 2025	22,849		350		13,346
Total Estimated Amortization Expense	$	71,309	$	1,450	$	66,734

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Short and Long-Term Funding (Tables)

6 Months Ended

Jun. 30, 2020

Debt Disclosure [Abstract]

Breakdown of short & long-term debt balances

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

($ in Thousands)	June 30, 2020		December 31, 2019
Short-Term Funding
Federal funds purchased	$	3,430	$	362,000
Securities sold under agreements to repurchase	138,863		71,097
Federal funds purchased and securities sold under agreements to repurchase	142,293		433,097
Commercial paper	39,535		32,016
Total short-term funding	$	181,828	$	465,113
Long-Term Funding
Bank senior notes, at par, due 2021	$	300,000	$	300,000
Corporation subordinated notes, at par, due 2025	250,000		250,000
PPPLF	1,009,760		—
Finance leases	1,202		2,209
Capitalized costs	(2,265)		(2,866)
Total long-term funding	1,558,698		549,343
Total short and long-term funding, excluding FHLB advances	$	1,740,525	$	1,014,456
FHLB Advances
Short-term FHLB advances	$	—	$	520,000
Long-term FHLB advances	2,657,016		2,660,967
Total FHLB advances	$	2,657,016	$	3,180,967
Total short and long-term funding	$	4,397,542	$	4,195,422

Remaining contractual maturity of securities sold under agreements to repurchase

The remaining contractual maturity of the securities sold under agreements to repurchase on the consolidated balance sheets as of June 30, 2020 and December 31, 2019 are presented in the following table:

	Remaining Contractual Maturity of the Agreements
($ in Thousands)	Overnight and Continuous		Up to 30 days		30-90 days		Greater than 90 days		Total
June 30, 2020
Repurchase agreements
Agency mortgage-related securities	$	138,863	$	—	$	—	$	—	$	138,863
Total	$	138,863	$	—	$	—	$	—	$	138,863
December 31, 2019
Repurchase agreements
Agency mortgage-related securities	$	71,097	$	—	$	—	$	—	$	71,097
Total	$	71,097	$	—	$	—	$	—	$	71,097

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Derivative and Hedging Activities (Tables)

6 Months Ended

Jun. 30, 2020

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Summary Of Other derivative instruments not designated as hedging instruments

The following table presents the total notional amounts and gross fair values of the Company’s derivatives, as well as the balance sheet netting adjustments as of June 30, 2020 and December 31, 2019. The derivative assets and liabilities are presented on a gross basis prior to the application of bilateral collateral and master netting agreements, but after the variation margin payments with central clearing organizations have been applied as settlement, as applicable. Total derivative assets and liabilities are adjusted to take into consideration the effects of legally enforceable master netting agreements and cash collateral received or paid as of June 30, 2020 and December 31, 2019. The resulting net derivative asset and liability fair values are included in other assets and accrued expenses and other liabilities, respectively, on the consolidated balance sheets.

	June 30, 2020								December 31, 2019
	Asset				Liability				Asset				Liability
($ in Thousands)	Notional Amount		Fair Value		Notional Amount		Fair Value		Notional Amount		Fair Value		Notional Amount		Fair Value
Not designated as hedging instruments
Interest rate-related instruments	$	3,564,015	$	238,003	$	3,564,015	$	31,472	$	3,029,877	$	77,024	$	3,029,877	$	13,073
Foreign currency exchange forwards	337,015		4,200		290,557		4,102		272,636		4,226		264,653		4,048
Commodity contracts	163,307		38,543		158,756		36,998		255,089		20,528		255,165		19,624
Mortgage banking(a)	299,330		12,837		393,184		1,293		255,291		2,527		263,000		710
Gross derivatives before netting			$	293,583			$	73,865			$	104,305			$	37,455
Less: Legally enforceable master netting agreements			1,586				1,586				10,410				10,410
Less: Cash collateral pledged/received			36,234				32,285				1,408				11,365
Total derivative instruments, after netting			$	255,763			$	39,994			$	92,487			$	15,680

(a) Mortgage derivative assets include interest rate lock commitments and mortgage derivative liabilities include forward commitments.

Schedule of cash flow hedging instruments, statements of financial performance and financial position location

The table below identifies the effect of fair value hedge accounting on the Corporation's consolidated statements of income for the three and six months ended June 30, 2020 and 2019:

	Location and Amount of Gain or (Loss) Recognized in Income on Fair Value and Cash Flow Hedging Relationships
	Three Months Ended June 30,								Six Months Ended June 30,
	2020				2019				2020				2019
($ in Thousands)	Interest Income		Other Income (Expense)		Interest Income		Other Income (Expense)		Interest Income		Other Income (Expense)		Interest Income		Other Income (Expense)
Total amounts of income and expense line items presented on the consolidated statements of income in which the effects of the fair value hedge is recorded	$	(542)	$	—	$	53	$	—	$	(864)	$	(262)	$	219	$	—
The effects of fair value hedging: Gain or (loss) on fair value hedging relationships in Subtopic 815-20
Interest contracts
Hedged items	(542)		—		4,165		—		(864)		(262)		6,222		—
Derivatives designated as hedging instruments(a)	—		—		(4,112)		—		—		—		(6,003)		—

(a) Includes net settlements on the derivatives.

Gain (loss) on derivative instruments not designated as hedging instruments

The table below identifies the effect of derivatives not designated as hedging instruments on the Corporation's consolidated statements of income for the three and six months ended June 30, 2020 and 2019:

	Consolidated Statements of Income Category of Gain / (Loss)  Recognized in Income	Three Months Ended June 30,				Six Months Ended June 30,
($ in Thousands)		2020		2019		2020		2019
Derivative Instruments
Interest rate-related instruments — customer and mirror, net	Capital markets, net	$	(65)	$	(1,018)	$	(3,155)	$	(1,690)
Foreign currency exchange forwards	Capital markets, net	41		186		(81)		212
Commodity contracts	Capital markets, net	(105)		(1,678)		641		(2,245)
Interest rate lock commitments (mortgage)	Mortgage banking, net	382		1,837		10,310		2,661
Forward commitments (mortgage)	Mortgage banking, net	9,679		(78)		(582)		169

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Balance Sheet Offsetting (Tables)

6 Months Ended

Jun. 30, 2020

Offsetting [Abstract]

Balance sheet offsetting of derivative assets and liabilities

The following table presents the interest rate, commodity, and foreign exchange assets and liabilities subject to an enforceable master netting arrangement. The interest, commodity and foreign exchange agreements the Corporation has with its commercial customers are not subject to an enforceable master netting arrangement and are therefore excluded from this table:

	Gross Amounts Recognized		Gross Amounts Subject to Master Netting Arrangements Offset on the Consolidated Balance Sheets				Net Amounts Presented on the Consolidated Balance Sheets		Investment Securities Received
($ in Thousands)			Derivative Assets Offset		Cash Collateral Received						Net amount
Derivative assets
June 30, 2020	$	38,569	$	(1,586)	$	(36,234)	$	749	$	—	$	749
December 31, 2019	11,864		(10,410)		(1,408)		45		—		45
	Gross Amounts Recognized		Gross Amounts Subject to Master Netting Arrangements Offset on the Consolidated Balance Sheets				Net Amounts Presented on the Consolidated Balance Sheets		Investment Securities Pledged
($ in Thousands)			Derivative Liabilities Offset		Cash Collateral Pledged						Net amount
Derivative liabilities
June 30, 2020	$	34,434	$	(1,586)	$	(32,285)	$	564	$	—	$	564
December 31, 2019	22,189		(10,410)		(11,365)		413		—		413

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

6 Months Ended

Jun. 30, 2020

Commitments and Contingencies Disclosure [Abstract]

Summary of lending-related and other commitments

The following is a summary of lending-related commitments:

($ in Thousands)	June 30, 2020		December 31, 2019
Commitments to extend credit, excluding commitments to originate residential mortgage loans held for sale(a)(b)	$	9,580,338	$	9,024,412
Commercial letters of credit(a)	6,123		7,081
Standby letters of credit(c)	265,223		277,969

(a) These off-balance sheet financial instruments are exercisable at the market rate prevailing at the date the underlying transaction will be completed and, thus, are deemed to have no current fair value, or the fair value is based on fees currently charged to enter into similar agreements and was not material at June 30, 2020 or December 31, 2019.

(b) Interest rate lock commitments to originate residential mortgage loans held for sale are considered derivative instruments and are disclosed in Note 10.

(c) The Corporation has established a liability of $3 million for both June 30, 2020 and December 31, 2019, as an estimate of the fair value of these financial instruments.

Schedule Of Unfunded Commitments [Table Text Block]

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

($ in Thousands)	Six Months Ended June 30, 2020		Year Ended December 31, 2019
Allowance for Unfunded Commitments
Balance at beginning of period	$	21,907	$	24,336
Cumulative effect of ASU 2016-13 adoption (CECL)	18,690		N/A
Balance at beginning of period, adjusted	40,597		24,336
Provision for unfunded commitments	24,000		(2,500)
Amount recorded at acquisition	179		70
Balance at end of period	$	64,776	$	21,907

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Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2020

Fair Value Disclosures [Abstract]

Assets and liabilities measured on recurring basis at fair value

The table below presents the Corporation’s financial instruments measured at fair value on a recurring basis as of June 30, 2020 and December 31, 2019, aggregated by the level in the fair value hierarchy within which those measurements fall:

($ in Thousands)	Fair Value Hierarchy	June 30, 2020		December 31, 2019
Assets
Investment securities available for sale
U.S. Treasury securities	Level 1	$	26,735	$	—
Agency securities	Level 2	25,007		—
Obligations of state and political subdivisions (municipal securities)	Level 2	495,888		546,160
Residential mortgage-related securities
FNMA / FHLMC	Level 2	818,110		132,660
GNMA	Level 2	605,561		985,139
Commercial mortgage-related securities
FNMA / FHLMC	Level 2	22,061		21,728
GNMA	Level 2	803,362		1,310,207
Asset backed securities
FFELP	Level 2	340,474		263,693
SBA	Level 2	9,575		—
Other debt securities	Level 2	3,000		3,000
Total investment securities available for sale	Level 1	$	26,735	$	—
Total investment securities available for sale	Level 2	3,123,039		3,262,586
Equity securities with readily determinable fair values	Level 1	1,647		1,646
Residential loans held for sale	Level 2	196,673		136,280
Interest rate-related instruments(a)	Level 2	238,003		77,024
Foreign currency exchange forwards(a)	Level 2	4,200		4,226
Commodity contracts(a)	Level 2	38,543		20,528
Interest rate lock commitments to originate residential mortgage loans held for sale	Level 3	12,837		2,527
Liabilities
Interest rate-related instruments(a)	Level 2	$	31,472	$	13,073
Foreign currency exchange forwards(a)	Level 2	4,102		4,048
Commodity contracts(a)	Level 2	36,998		19,624
Forward commitments to sell residential mortgage loans	Level 3	1,293		710

(a) Figures are presented gross before netting. See Note 10 and Note 11 for information relating to the impact of offsetting derivative assets and liabilities and cash collateral with the same counterparty where there is a legally enforceable master netting agreement in place.

Assets and liabilities measured at fair value using significant unobservable inputs (level 3)

The table below presents a rollforward of the consolidated balance sheets amounts for the six months ended June 30, 2020 and the year ended December 31, 2019, for the Corporation's mortgage derivatives measured on a recurring basis and classified within Level 3 of the fair value hierarchy:

($ in Thousands)	Interest rate lock commitments to originate residential mortgage loans held for sale		Forward commitments to sell residential mortgage loans		Total
Balance December 31, 2018	$	2,208	$	2,072	$	140
New production	24,164		(2,367)		26,531
Closed loans / settlements	(29,375)		(5,968)		(23,407)
Other	5,530		6,973		(1,443)
Mortgage derivative gain (loss)	319		(1,362)		1,681
Balance December 31, 2019	$	2,527	$	710	$	1,817
New production	$	44,349	$	(439)	$	44,788
Closed loans / settlements	(37,505)		(12,197)		(25,308)
Other	3,467		13,218		(9,752)
Mortgage derivative gain (loss)	10,310		582		9,727
Balance June 30, 2020	$	12,837	$	1,293	$	11,544

Equity securities without readily determinable fair value

The following table presents the carrying value of equity securities without readily determinable fair values still held as of June 30, 2020 that are measured under the measurement alternative and the related adjustments recorded during the periods presented for those securities with observable price changes. These securities are included in the nonrecurring fair value tables when applicable price changes are observable. Also shown are the cumulative upward and downward adjustments for the Corporation's equity securities without readily determinable fair values as of June 30, 2020:

($ in Thousands)
Equity securities without readily determinable fair values
Carrying value as of December 31, 2019	$	13,444
Carrying value changes	—
Carrying value as of June 30, 2020	$	13,444
Cumulative upward carrying value changes between January 1, 2018 and June 30, 2020	$	13,444
Cumulative downward carrying value changes/impairment between January 1, 2018 and June 30, 2020	$	—

Assets and liabilities measured on nonrecurring basis at fair value

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

				Consolidated Statements of Income Category of Adjustment  Recognized in Income	Adjustment Recognized on the Consolidated Statements of Income
($ in Thousands)	Fair Value Hierarchy	Fair Value
June 30, 2020
Assets
Individually evaluated loans(a)	Level 3	$	88,416	Provision for credit losses	$	(58,523)
OREO(b)	Level 2	6,611		Other noninterest expense	(2,273)
Mortgage servicing rights	Level 3	49,423		Mortgage banking, net	(17,029)
December 31, 2019
Assets
Impaired loans(c)	Level 3	$	45,792	Provision for credit losses(d)	$	(66,172)
OREO(b)	Level 2	3,565		Other noninterest expense	(1,860)
Mortgage servicing rights	Level 3	72,532		Mortgage banking, net	(63)
Equity securities	Level 3	13,444		Investment securities gains (losses), net	13,444

(a) Includes probable TDRs which are individually analyzed, net of the related allowance for loan losses.

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

(c) Represents individually evaluated impaired loans, net of the related allowance for loan losses.

(d) Represents provision for credit losses on individually evaluated impaired loans.

Schedule of assumptions for fair value as of balance sheet date of assets or liabilities that relate to transferor's continuing involvement

The table below presents information about these inputs and further discussion is found above:

June 30, 2020	Valuation Technique	Significant Unobservable Input	Range of Inputs			Weighted Average Input Applied
Mortgage servicing rights	Discounted cash flow	Discount rate	9%	-	14%	9%
Mortgage servicing rights	Discounted cash flow	Constant prepayment rate	12%	-	35%	18%
Individually evaluated loans	Appraisals / Discounted cash flow	Collateral / Discount factor	0%	-	68%	66%

Estimated fair values of financial instruments

Fair value estimates are set forth below for the Corporation’s financial instruments:

		June 30, 2020				December 31, 2019
($ in Thousands)	Fair Value Hierarchy Level	Carrying Amount		Fair Value		Carrying Amount		Fair Value
Financial assets
Cash and due from banks	Level 1	$	443,500	$	443,500	$	373,380	$	373,380
Interest-bearing deposits in other financial institutions	Level 1	1,569,006		1,569,006		207,624		207,624
Federal funds sold and securities purchased under agreements to resell	Level 1	185		185		7,740		7,740
Investment securities held to maturity, net	Level 1	999		1,036		999		1,018
Investment securities held to maturity, net	Level 2	2,076,226		2,208,408		2,204,084		2,275,447
Investment securities available for sale	Level 1	26,735		26,735		—		—
Investment securities available for sale	Level 2	3,123,039		3,123,039		3,262,586		3,262,586
Equity securities with readily determinable fair values	Level 1	1,647		1,647		1,646		1,646
Equity securities without readily determinable fair values	Level 3	13,444		13,444		13,444		13,444
FHLB and Federal Reserve Bank stocks	Level 2	206,281		206,281		227,347		227,347
Residential loans held for sale	Level 2	196,673		196,673		136,280		136,280
Commercial loans held for sale	Level 2	3,565		3,565		15,000		15,000
Loans, net	Level 3	24,468,868		24,390,225		22,620,068		22,399,621
Bank and corporate owned life insurance	Level 2	676,196		676,196		671,948		671,948
Derivatives (other assets)(a)	Level 2	280,746		280,746		101,778		101,778
Interest rate lock commitments to originate residential mortgage loans held for sale (other assets)	Level 3	12,837		12,837		2,527		2,527
Financial liabilities
Noninterest-bearing demand, savings, interest-bearing demand, and money market accounts	Level 3	$	24,302,540	$	24,302,540	$	21,156,261	$	21,156,261
Brokered CDs and other time deposits(b)	Level 2	2,248,904		2,267,551		2,622,803		2,622,803
Short-term funding(c)	Level 2	181,828		181,828		465,113		465,113
Long-term funding (excluding PPPLF)	Level 2	548,937		576,667		549,343		572,873
PPPLF	Level 2	1,009,760		1,009,926		—		—
FHLB advances	Level 2	2,657,016		2,851,632		3,180,967		3,207,793
Standby letters of credit(d)	Level 2	2,644		2,644		2,710		2,710
Derivatives (accrued expenses and other liabilities)(a)	Level 2	72,572		72,572		36,745		36,745
Forward commitments to sell residential mortgage loans (accrued expenses and other liabilities)	Level 3	1,293		1,293		710		710

(a) Figures are presented gross before netting. See Note 10 and Note 11 for information relating to the impact of offsetting derivative assets and liabilities and cash collateral with the same counterparty where there is a legally enforceable master netting agreement in place.

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

(c) The carrying amount is a reasonable estimate of fair value for existing short-term funding.

(d) The commitment on standby letters of credit was $265 million at June 30, 2020 and $278 million at December 31, 2019. See Note 12 for additional information on the standby letters of credit and for information on the fair value of lending-related commitments.

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Retirement Plans (Tables)

6 Months Ended

Jun. 30, 2020

Retirement Benefits [Abstract]

Net period benefit cost for the pension and postretirement plans

The components of net periodic pension cost and net periodic benefit cost for the RAP and Postretirement Plan for the three and six months ended June 30, 2020 and 2019 were as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
($ in Thousands)	2020		2019		2020		2019
Components of Net Periodic Benefit Cost
RAP
Service cost	$	2,165	$	1,925	$	4,330	$	3,850
Interest cost	2,008		2,413		4,015		4,825
Expected return on plan assets	(6,405)		(6,075)		(12,810)		(12,150)
Amortization of prior service cost	(19)		(19)		(38)		(38)
Amortization of actuarial loss (gain)	803		65		1,610		130
Total net periodic pension cost	$	(1,449)	$	(1,691)	$	(2,893)	$	(3,383)
Postretirement Plan
Interest cost	$	20	$	26	$	39	$	52
Amortization of prior service cost	(19)		(19)		(38)		(38)
Amortization of actuarial loss (gain)	—		(1)		—		(2)
Total net periodic benefit cost	$	1	$	6	$	2	$	13

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Segment Reporting (Tables)

6 Months Ended

Jun. 30, 2020

Segment Reporting [Abstract]

Selected segment information

Information about the Corporation’s segments is presented below:

	Corporate and Commercial Specialty
	Three Months Ended June 30,				Six Months Ended June 30,
($ in Thousands)	2020		2019		2020		2019
Net interest income	$	98,824	$	114,232	$	206,577	$	228,162
Net intersegment interest income (expense)	6,889		(13,326)		(3,856)		(28,881)
Segment net interest income	105,713		100,906		202,721		199,281
Noninterest income	30,691		31,267		65,124		58,414
Total revenue	136,405		132,174		267,845		257,695
Credit provision	13,713		12,585		25,885		25,169
Noninterest expense	50,837		56,450		102,098		111,383
Income (loss) before income taxes	71,855		63,139		139,862		121,144
Income tax expense (benefit)	13,446		12,244		26,117		23,411
Net income	$	58,410	$	50,895	$	113,745	$	97,732
Allocated goodwill					$	530,144	$	530,106

	Community, Consumer, and Business
	Three Months Ended June 30,				Six Months Ended June 30,
($ in Thousands)	2020		2019		2020		2019
Net interest income	$	73,120	$	77,013	$	148,047	$	156,699
Net intersegment interest income (expense)	14,340		22,804		33,025		43,551
Segment net interest income	87,459		99,817		181,072		200,250
Noninterest income	58,557		62,123		116,207		120,398
Total revenue	146,017		161,940		297,279		320,648
Credit provision	5,429		4,626		10,537		9,311
Noninterest expense	122,290		119,694		238,721		232,612
Income (loss) before income taxes	18,298		37,620		48,021		78,725
Income tax expense (benefit)	3,843		7,900		10,084		16,532
Net income	$	14,455	$	29,720	$	37,936	$	62,193
Allocated goodwill					$	577,758	$	645,913

	Risk Management and Shared Services
	Three Months Ended June 30,				Six Months Ended June 30,
($ in Thousands)	2020		2019		2020		2019
Net interest income	$	17,929	$	22,375	$	38,190	$	44,306
Net intersegment interest income (expense)	(21,229)		(9,478)		(29,169)		(14,671)
Segment net interest income	(3,301)		12,896		9,021		29,635
Noninterest income(a)	165,242		2,447		171,465		8,228
Total revenue	161,941		15,343		180,486		37,863
Credit provision	41,858		(9,211)		77,579		(20,480)
Noninterest expense(b)	10,280		21,634		34,779		45,456
Income (loss) before income taxes	109,802		2,919		68,129		12,887
Income tax expense (benefit)	33,950		(1,127)		25,255		1,466
Net income	$	75,853	$	4,047	$	42,874	$	11,422
Allocated goodwill					$	—	$	—

	Consolidated Total
	Three Months Ended June 30,				Six Months Ended June 30,
($ in Thousands)	2020		2019		2020		2019
Net interest income	$	189,872	$	213,619	$	392,814	$	429,167
Net intersegment interest income (expense)	—		—		—		—
Segment net interest income	189,872		213,619		392,814		429,167
Noninterest income(a)	254,490		95,837		352,796		187,040
Total revenue	444,362		309,457		745,610		616,206
Credit provision	61,000		8,000		114,001		14,000
Noninterest expense(b)	183,407		197,779		375,598		389,450
Income (loss) before income taxes	199,955		103,678		256,012		212,756
Income tax expense (benefit)	51,238		19,017		61,457		41,409
Net income	$	148,718	$	84,661	$	194,555	$	171,347
Allocated goodwill					$	1,107,902	$	1,176,019

(a) For the three and six months ended June 30, 2020, the Corporation recognized a $163 million asset gain related to the sale of ABRC.

(b) For the three months ended both June 30, 2020 and 2019, the Risk Management and Shared Services segment included less than $1 million and approximately $4 million respectively, of acquisition related noninterest expense. For the six months ended June 30, 2020 and 2019, the Risk Management and Shared Services segment included approximately $2 million and $4 million respectively, of acquisition related noninterest expense.

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Accumulated Other Comprehensive Income (Loss) (Tables)

6 Months Ended

Jun. 30, 2020

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

Summary of activity in accumulated other comprehensive income (loss)

The following tables summarize the components of accumulated other comprehensive income (loss) at June 30, 2020 and 2019, including changes during the preceding three and six month periods as well as any reclassifications out of accumulated other comprehensive income (loss):

($ in Thousands)	Investment Securities Available For Sale		Defined Benefit Pension and Postretirement Obligations		Accumulated Other Comprehensive Income (Loss)
Balance December 31, 2019	$	3,989	$	(37,172)	$	(33,183)
Other comprehensive income (loss) before reclassifications	48,060		—		48,060
Amounts reclassified from accumulated other comprehensive income (loss)
Investment securities losses (gains), net	(9,214)		—		(9,214)
Personnel expense	—		(75)		(75)
Other expense	—		1,610		1,610
Interest income	1,332		—		1,332
Income tax (expense) benefit	(10,066)		(385)		(10,450)
Net other comprehensive income (loss) during period	30,112		1,150		31,263
Balance June 30, 2020	$	34,101	$	(36,021)	$	(1,920)
Balance December 31, 2018	$	(75,643)	$	(49,330)	$	(124,972)
Other comprehensive income (loss) before reclassifications	89,966		—		89,966
Amounts reclassified from accumulated other comprehensive income (loss)
Investment securities losses (gains), net	(2,143)		—		(2,143)
Personnel expense	—		(75)		(75)
Other expense	—		128		128
Interest income	288		—		288
Income tax (expense) benefit	(22,242)		(13)		(22,255)
Net other comprehensive income (loss) during period	65,869		40		65,909
Balance June 30, 2019	$	(9,773)	$	(49,290)	$	(59,063)

($ in Thousands)	Investments Securities Available For Sale		Defined Benefit Pension and Post Retirement Obligations		Accumulated Other Comprehensive Income (Loss)
Balance March 31, 2020	$	19,620	$	(36,595)	$	(16,974)
Other comprehensive income (loss) before reclassifications	21,641		—		21,641
Amounts reclassified from accumulated other comprehensive income (loss)
Investment securities losses (gains), net	(3,096)		—		(3,096)
Personnel expense	—		(38)		(38)
Other expense	—		803		803
Interest income	776		—		776
Income tax (expense) benefit	(4,841)		(192)		(5,032)
Net other comprehensive income (loss) during period	14,481		573		15,054
Balance June 30, 2020	$	34,101	$	(36,021)	$	(1,920)
Balance March 31, 2019	$	(54,065)	$	(49,310)	$	(103,375)
Other comprehensive income (loss) before reclassifications	59,476		—		59,476
Amounts reclassified from accumulated other comprehensive income (loss)
Investment securities loss (gain), net	(463)		—		(463)
Personnel expense	—		(38)		(38)
Other expense	—		64		64
Interest income	218		—		218
Income tax (expense) benefit	(14,940)		(7)		(14,947)
Net other comprehensive income (loss) during period	44,292		20		44,311
Balance June 30, 2019	$	(9,773)	$	(49,290)	$	(59,063)

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Revenue from Contracts with Customers (Tables)

6 Months Ended

Jun. 30, 2020

Revenue Recognition [Abstract]

Disaggregation of revenue by Major source

The Corporation's disaggregated revenue by major source is presented below:

	Corporate and Commercial Specialty
	Three Months Ended June 30,				Six Months Ended June 30,
($ in Thousands)	2020		2019		2020		2019
Insurance commissions and fees	$	47	$	49	$	123	$	174
Wealth management fees(a)	15,814		15,369		31,621		30,469
Service charges and deposit account fees	4,307		3,309		7,859		6,806
Card-based fees(b)	228		455		743		889
Other revenue	294		865		1,081		1,049
Noninterest Income (in-scope of Topic 606)	$	20,690	$	20,047	$	41,426	$	39,387
Noninterest Income (out-of-scope of Topic 606)	10,002		11,220		23,698		19,026
Total Noninterest Income	$	30,691	$	31,267	$	65,124	$	58,414
	Community, Consumer, and Business
	Three Months Ended June 30,				Six Months Ended June 30,
($ in Thousands)	2020		2019		2020		2019
Insurance commissions and fees	$	22,381	$	22,933	$	44,910	$	48,268
Wealth management fees(a)	5,102		5,321		10,111		10,402
Service charges and deposit account fees	7,173		12,104		18,838		23,703
Card-based fees(b)	8,647		9,674		17,693		18,486
Other revenue	2,861		2,349		5,147		4,621
Noninterest Income (in-scope of Topic 606)	$	46,163	$	52,381	$	96,698	$	105,479
Noninterest Income (out-of-scope of Topic 606)	12,394		9,742		19,509		14,919
Total Noninterest Income	$	58,557	$	62,123	$	116,207	$	120,398

	Risk Management and Shared Services
	Three Months Ended June 30,				Six Months Ended June 30,
($ in Thousands)	2020		2019		2020		2019
Insurance commissions and fees	$	3	$	3	$	6	$	7
Service charges and deposit account fees	4		14		10		32
Card-based fees(b)	47		48		94		97
Other revenue	26		210		49		438
Noninterest Income (in-scope of Topic 606)	$	80	$	275	$	158	$	574
Noninterest Income (out-of-scope of Topic 606)(c)	165,161		2,172		171,307		7,653
Total Noninterest Income	$	165,242	$	2,447	$	171,465	$	8,228
	Consolidated Total
	Three Months Ended June 30,				Six Months Ended June 30,
($ in Thousands)	2020		2019		2020		2019
Insurance commissions and fees	$	22,430	$	22,985	$	45,038	$	48,449
Wealth management fees(a)	20,916		20,691		41,732		40,870
Service charges and deposit account fees	11,484		15,426		26,706		30,542
Card-based fees(b)	8,922		10,177		18,529		19,472
Other revenue	3,181		3,424		6,277		6,108
Noninterest Income (in-scope of Topic 606)	$	66,933	$	72,703	$	138,282	$	145,441
Noninterest Income (out-of-scope of Topic 606)(c)	187,557		23,134		214,515		41,599
Total Noninterest Income	$	254,490	$	95,837	$	352,796	$	187,040

(a) Includes trust, asset management, brokerage, and annuity fees.

(b) Certain card-based fees are out-of-scope of Topic 606.

(c) Both the three and six months ended June 30, 2020 include a gain of $163 million from the sale of ABRC.

Revenue recognition 606

Below is a listing of performance obligations for the Corporation's main revenue streams:

Revenue Stream	Noninterest income in-scope of Topic 606
Insurance commissions and fees	The Corporation's insurance revenue had two distinct performance obligations. The first performance obligation was the selling of the policy as an agent for the carrier. This performance obligation was satisfied upon binding of the policy. The second performance obligation was the ongoing servicing of the policy which was satisfied over the life of the policy. For employee benefits, the payment was typically received monthly. For property and casualty, payments can vary, but were typically received at, or in advance, of the policy period.
Service charges and deposit account fees	Service charges and deposit account fees consist of monthly service fees (i.e. business analyzed fees and consumer service charges) and other deposit account related fees. The Corporation's performance obligation for monthly service fees is generally satisfied, and the related revenue recognized, over the period in which the service is provided. Other deposit account related fees are largely transactional based, and therefore, the Corporation's performance obligation is satisfied, and related revenue recognized, at a point in time. Payment for service charges and deposit account fees are primarily received immediately or in the following month through a direct charge to customers’ accounts.
Card-based fees(a)	Card-based fees are primarily comprised of debit and credit card income, ATM fees, and merchant services income. Debit and credit card income is primarily comprised of interchange fees earned whenever the Corporation's debit and credit cards are processed through card payment networks. ATM and merchant fees are largely transactional based, and therefore, the Corporation's performance obligation is satisfied, and related revenue recognized, at a point in time. Payment is typically received immediately or in the following month.
Trust and asset management fees(b)	Trust and asset management income is primarily comprised of fees earned from the management and administration of trusts and other customer assets. The Corporation's performance obligation is generally satisfied over time and the resulting fees are recognized monthly, based upon the month-end market value of the assets under management and the applicable fee rate. Payment is generally received a few days after month end through a direct charge to the customers’ accounts. The Corporation's performance obligation for these transactional-based services is generally satisfied, and related revenue recognized, at a point in time (i.e., as incurred). Payment is received shortly after services are rendered.
Brokerage commissions and fees(b)	Brokerage commissions and fees primarily consist of investment advisory, brokerage, retirement services, and annuities. The Corporation's performance obligation for investment advisory services and retirement services is generally satisfied, and the related revenue recognized, over the period in which the services are provided. The performance obligation for annuities is satisfied upon sale of the annuity, and therefore, the related revenue is primarily recognized at the time of sale. Payments for these services are typically received immediately or in advance of the service.

(a) Certain card-based fees are out-of-scope of Topic 606.

(b) Trust and asset management fees and brokerage commissions and fees are included in wealth management fees.

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Leases (Tables)

6 Months Ended

Jun. 30, 2020

Leases [Abstract]

Lease, Cost and Cash Flows

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

($ in Thousands)	Three Months Ended June 30,				Six Months Ended June 30,
	2020		2019		2020		2019
Operating Lease Costs	$	2,631	$	2,888	$	5,254	$	5,793
Finance Lease Costs	31		—		67		—
Operating Lease Cash Flows	2,700		2,762		5,432		5,570
Finance Lease Cash Flows	21		—		42		—

Components of lease expense

The lease classifications on the consolidated balance sheets were as follows:

($ in Thousands)	Consolidated Balance Sheets Category	June 30, 2020		December 31, 2019
		Amount
Operating lease right-of-use asset	Premises and equipment	$	39,674	$	45,381
Finance lease right-of-use asset	Other assets	1,154		2,188
Operating lease liability	Accrued expenses and other liabilities	43,377		49,292
Finance lease liability	Other long-term funding	1,202		2,209

Operating lease information

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

	June 30, 2020					December 31, 2019
($ in Thousands)	Lease payments		Weighted-average lease term (in years)	Weighted-average discount rate		Lease payments		Weighted-average lease term (in years)	Weighted-average discount rate
Operating leases
Equipment	$	5	0.69	2.72	%	$	46	0.83	2.72	%
Retail and corporate offices	42,293		6.22	3.35	%	48,940		6.49	3.34	%
Land	6,663		9.30	3.08	%	6,594		9.57	3.21	%
Total operating leases	$	48,961	6.61	3.31	%	$	55,580	6.83	3.32	%
Finance leases
Land	$	1,225	2.14	1.05	%	$	4,827	39.67	3.99	%
Total finance leases	$	1,225	2.14	1.05	%	$	4,827	39.67	3.99	%

Amortization of operating lease liabilities

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

($ in Thousands)	Operating Leases		Finance Leases		Amount
Six Months Ending December 31, 2020	$	3,065	$	80	$	3,145
2021	10,387		172		10,559
2022	8,066		973		9,039
2023	5,810		—		5,810
2024	5,108		—		5,108
Beyond 2024	16,526		—		16,526
Total lease payments	$	48,961	$	1,225	$	50,187
Less: interest	5,584		23		5,607
Present value of lease payments	$	43,377	$	1,202	$	44,579

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Acquisitions Staunton Acquisition (Details) - USD ($) $ in Thousands			3 Months Ended
	Jun. 30, 2020	Feb. 14, 2020	Mar. 31, 2020	Jun. 30, 2019
February 14, 2020
Goodwill			$ 15,000
Fair value of liabilities assumed	$ 480,028			$ 725,719
First Staunton Bancshares [Member]
Purchase Accounting Adjustments
Cash and cash equivalents		$ 0
Investment securities available for sale		(24)
Federal Home Loan Bank and Federal Reserve Bank stocks, at cost		0
Loans		(4,808)
Premises and equipment, net		(3,005)
Bank owned life insurance		9
Core deposit intangibles (included in other intangible assets, net on the face of the consolidated balance sheets)		7,379
OREO (included in other assets on the face of the consolidated balance sheets)		670
Other assets		4,193
Deposits		1,285
Other borrowings		61
Accrued expenses and other liabilities		179
February 14, 2020
Cash and cash equivalents		44,782
Investment securities available for sale		98,743
Federal Home Loan Bank and Federal Reserve Bank stocks, at cost		781
Loans		369,741
Premises and equipment, net		4,865
Bank owned life insurance		6,770
Goodwill	$ 82,000	13,414	$ 15,000
Core deposit intangibles (included in other intangible assets, net on the face of the consolidated balance sheets)		7,379
OREO (included in other assets on the face of the consolidated balance sheets)		762
Other assets		9,090
Total assets		556,328
Deposits		438,684
Other borrowings		34,613
Accrued expenses and other liabilities		6,730
Fair value of liabilities assumed		480,028
Total consideration paid		$ 76,300

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Acquisitions Huntington Acquisition (Details) - USD ($) $ in Thousands		3 Months Ended
	Jun. 14, 2019	Mar. 31, 2020	Jun. 30, 2020	Jun. 30, 2019
June 14, 2019
Goodwill		$ 15,000
Fair value of liabilities assumed			$ 480,028	$ 725,719
Huntington National Bank
Purchase Accounting Adjustments
Cash and cash equivalents	$ 0
Loans	(1,552)
Premises and equipment, net	4,800
Core deposit intangibles (included in other intangible assets, net on the face of the consolidated balance sheets)	22,630
OREO (included in other assets on the face of the consolidated balance sheets)	(2,561)
Other assets	0
Deposits	156
Other liabilities	70
June 14, 2019
Cash and cash equivalents	551,250
Loans	116,346
Premises and equipment, net	22,430
Goodwill	7,286
Core deposit intangibles (included in other intangible assets, net on the face of the consolidated balance sheets)	22,630
OREO (included in other assets on the face of the consolidated balance sheets)	5,263
Other assets	559
Total assets	725,764
Deposits	725,173
Other liabilities	590
Fair value of liabilities assumed	$ 725,764

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Acquisitions, PCD Loans (Details) $ in Thousands	Feb. 14, 2020 USD ($)
Business Combinations [Abstract]
Purchase price of loans at acquisition	$ 77,221
Allowance for credit losses at acquisition	3,504
Non-credit discount/(premium) at acquisition	(951)
Par value of acquired loans at acquisition	$ 79,774

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Acquisitions (Details Textuals) $ in Thousands				3 Months Ended			6 Months Ended
	Jun. 30, 2020 USD ($)	Feb. 14, 2020 USD ($) branch	Jun. 14, 2019 USD ($) branch	Jun. 30, 2020 USD ($)	Mar. 31, 2020 USD ($)	Sep. 30, 2019 USD ($)	Jun. 30, 2020 USD ($)
Business Acquisition [Line Items]
Goodwill					$ 15,000
Huntington National Bank
Business Acquisition [Line Items]
Effective Date of Acquisition			Jun. 14, 2019
Business Acquisition, Name of Acquired Entity			Huntington
Business Combination, Control Obtained Description			The Corporation paid a 4% premium on acquired deposits
New Communities | branch			13
Acquired Net Branches | branch			14
Goodwill			$ 7,286
Goodwill, Other Increase (Decrease)						$ (210)
Amortization period			10 years
First Staunton Bancshares [Member]
Business Acquisition [Line Items]
Effective Date of Acquisition		Feb. 14, 2020
Business Acquisition, Name of Acquired Entity		First Staunton
Business Combination, Control Obtained Description		The Corporation paid a 4% premium on acquired deposits.
New Communities | branch		9
Acquired Net Branches | branch		7
Goodwill	$ 82,000	$ 13,414			$ 15,000
Goodwill, Other Increase (Decrease)				$ 2,000
PCD - HTM Securities		0
PCD - AFS Securities		$ 0
Amortization period		10 years
Total consideration paid		$ 76,300
ABRC
Business Acquisition [Line Items]
Total consideration paid							$ 266,000
Pre-tax book gain on sale							$ 163,000

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Summary of Significant Accounting Policies, Credit Loss Adoption Impact (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Jan. 01, 2020	Dec. 31, 2019
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Allowance for Loan Losses			$ 201,371
Allowance for Unfunded Commitments	$ 64,776		21,907
Total commercial
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Allowance for Loan Losses			166,846
Allowance for Unfunded Commitments			20,465
Total consumer
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Allowance for Loan Losses			34,525
Allowance for Unfunded Commitments			1,443
Commercial and industrial | Total commercial
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Allowance for Loan Losses			91,133
Allowance for Unfunded Commitments			12,276
Commercial real estate — owner occupied | Total commercial
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Allowance for Loan Losses			10,284
Allowance for Unfunded Commitments			127
Commercial and business lending | Total commercial
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Allowance for Loan Losses			101,417
Allowance for Unfunded Commitments			12,403
Commercial real estate — investor | Total commercial
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Allowance for Loan Losses			40,514
Allowance for Unfunded Commitments			530
Real Estate Construction | Total commercial
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Allowance for Loan Losses			24,915
Allowance for Unfunded Commitments			7,532
Commercial Real Estate | Total commercial
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Allowance for Loan Losses			65,428
Allowance for Unfunded Commitments			8,062
Residential mortgage | Total consumer
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Allowance for Loan Losses			16,960
Allowance for Unfunded Commitments			0
Home Equity Loan | Total consumer
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Allowance for Loan Losses			10,926
Allowance for Unfunded Commitments			1,038
Other consumer | Total consumer
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Allowance for Loan Losses			6,639
Allowance for Unfunded Commitments			$ 405
Cumulative Effect, Period Of Adoption, Adjustment
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Allowance for Loan Losses		$ 131,147
Cumulative Effect, Period Of Adoption, Adjustment | Total commercial
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Allowance for Loan Losses		75,171
Cumulative Effect, Period Of Adoption, Adjustment | Total consumer
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Allowance for Loan Losses		55,975
Cumulative Effect, Period Of Adoption, Adjustment | Commercial and industrial | Total commercial
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Allowance for Loan Losses		48,921
Cumulative Effect, Period Of Adoption, Adjustment | Commercial real estate — owner occupied | Total commercial
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Allowance for Loan Losses		(1,851)
Cumulative Effect, Period Of Adoption, Adjustment | Commercial and business lending | Total commercial
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Allowance for Loan Losses		47,070
Cumulative Effect, Period Of Adoption, Adjustment | Commercial real estate — investor | Total commercial
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Allowance for Loan Losses		2,287
Cumulative Effect, Period Of Adoption, Adjustment | Real Estate Construction | Total commercial
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Allowance for Loan Losses		25,814
Cumulative Effect, Period Of Adoption, Adjustment | Commercial Real Estate | Total commercial
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Allowance for Loan Losses		28,101
Cumulative Effect, Period Of Adoption, Adjustment | Residential mortgage | Total consumer
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Allowance for Loan Losses		33,215
Cumulative Effect, Period Of Adoption, Adjustment | Home Equity Loan | Total consumer
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Allowance for Loan Losses		14,240
Cumulative Effect, Period Of Adoption, Adjustment | Other consumer | Total consumer
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Allowance for Loan Losses		8,520
Cumulative Effect, Period Of Adoption, Adjusted Balance
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Allowance for Loan Losses		354,425
Allowance for Unfunded Commitments		40,597
Cumulative Effect, Period Of Adoption, Adjusted Balance | Total commercial
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Allowance for Loan Losses		262,482
Cumulative Effect, Period Of Adoption, Adjusted Balance | Total consumer
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Allowance for Loan Losses		91,943
Cumulative Effect, Period Of Adoption, Adjusted Balance | Commercial and industrial | Total commercial
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Allowance for Loan Losses		152,330
Cumulative Effect, Period Of Adoption, Adjusted Balance | Commercial real estate — owner occupied | Total commercial
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Allowance for Loan Losses		8,560
Cumulative Effect, Period Of Adoption, Adjusted Balance | Commercial and business lending | Total commercial
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Allowance for Loan Losses		160,890
Cumulative Effect, Period Of Adoption, Adjusted Balance | Commercial real estate — investor | Total commercial
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Allowance for Loan Losses		43,331
Cumulative Effect, Period Of Adoption, Adjusted Balance | Real Estate Construction | Total commercial
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Allowance for Loan Losses		58,261
Cumulative Effect, Period Of Adoption, Adjusted Balance | Commercial Real Estate | Total commercial
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Allowance for Loan Losses		101,591
Cumulative Effect, Period Of Adoption, Adjusted Balance | Residential mortgage | Total consumer
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Allowance for Loan Losses		50,175
Cumulative Effect, Period Of Adoption, Adjusted Balance | Home Equity Loan | Total consumer
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Allowance for Loan Losses		26,204
Cumulative Effect, Period Of Adoption, Adjusted Balance | Other consumer | Total consumer
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Allowance for Loan Losses		$ 15,564

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Summary of Significant Accounting Policies Narrative (Details) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2020	Jun. 30, 2020	Jan. 01, 2020	Dec. 31, 2019
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Retained Earnings (Accumulated Deficit)		$ 2,412,859		$ 2,380,867
Held to maturity allowance for credit loss		61	$ 61
Allowance for Loan Losses				201,371
Cumulative Effect, Period Of Adoption, Adjustment
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Allowance for Loan Losses			131,147
Allowance for Loan Losses [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Allowance for Loan Losses		$ 363,803		$ 201,371
Accounting Standards Update 2016-13
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Retained Earnings (Accumulated Deficit)			98,000
Deferred Income Tax Assets, Net			33,000
Accounting Standards Update 2016-13 | Forecast
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Reasonable and Supportable Period 2016-13	2 years
Accounting Standards Update 2016-13 | Allowance for Loan Losses [Member] | Cumulative Effect, Period Of Adoption, Adjustment
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Allowance for Loan Losses			112,457
Accounting Standards Update 2016-13 | Allowance for Loans Losses and Unfunded Commitments [Member] | Cumulative Effect, Period Of Adoption, Adjustment
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Allowance for Loan Losses			$ 131,000

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Earnings Per Common Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2020	Mar. 31, 2020	Jun. 30, 2019	Mar. 31, 2019	Jun. 30, 2020	Jun. 30, 2019
Calculations for basic and diluted earnings per common share
Net income	$ 148,718	$ 45,838	$ 84,661	$ 86,686	$ 194,555	$ 171,347
Preferred stock dividends	(4,144)		(3,801)		(7,945)	(7,601)
Net income available to common equity	144,573		80,860		186,611	163,746
Common shareholder dividends	(27,667)		(27,571)		(55,931)	(55,650)
Unvested share-based payment awards	(222)		(205)		(351)	(308)
Undistributed earnings	116,684		53,085		130,329	107,787
Undistributed earnings allocated to common shareholders	115,750		52,690		129,377	107,098
Undistributed earnings allocated to unvested share-based payment awards	934		395		953	689
Undistributed earnings	116,684		53,085		130,329	107,787
Basic
Distributed earnings to common shareholders	27,667		27,571		55,931	55,650
Undistributed earnings allocated to common shareholders	115,750		52,690		129,377	107,098
Total common shareholders earnings, basic	143,417		80,261		185,307	162,748
Diluted
Distributed earnings to common shareholders	27,667		27,571		55,931	55,650
Undistributed earnings allocated to common shareholders	115,750		52,690		129,377	107,098
Total common shareholders earnings, diluted	$ 143,417		$ 80,261		$ 185,307	$ 162,748
Weighted average common shares outstanding	152,393		162,180		153,547	163,049
Effect of dilutive common stock awards	757		1,492		813	1,469
Diluted weighted average common shares outstanding	153,150		163,672		154,360	164,518
Basic earnings per common share	$ 0.94		$ 0.49		$ 1.21	$ 1.00
Diluted earnings per common share	$ 0.94		$ 0.49		$ 1.20	$ 0.99

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Earnings Per Common Share (Details Textuals) - shares shares in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Approximate anti-dilutive stock options
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	8	4	7	3

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Stock-Based Compensation Fair Value Assumptions of Stock Options (Details) - $ / shares	6 Months Ended	12 Months Ended
	Jun. 30, 2020	Dec. 31, 2019
Retirement Benefits [Abstract]
Dividend yield	3.50%	3.30%
Risk-free interest rate	1.60%	2.60%
Weighted average expected volatility	21.00%	24.00%
Weighted average expected life	5 years 9 months	5 years 9 months
Weighted average per share fair value of options	$ 2.39	$ 4.00

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Stock-Based Compensation, Stock Option Activity (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2020	Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Stock Options Shares Outstanding, Beginning balance (in shares)	5,543
Granted	1,697
Exercised	(110)
Forfeited or expired	(219)
Stock Options Shares Outstanding, Ending balance (in shares)	6,911	5,543
Options exercisable (in shares)	4,242
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]
Stock Option Outstanding, Weighted Average Exercise Price, Beginning balance (in usd per share)	$ 20.13
Granted	18.43
Exercised	13.95
Forfeited	22.30
Stock Option Outstanding, Weighted Average Exercise Price, Ending balance (in usd per share)	19.74	$ 20.13
Options Exercisable, Weighted Average Exercise Price (in usd per share)	$ 19.21
Stock Options Outstanding, Weighted Average Remaining Contractual Term	6 years 8 months 23 days	6 years 3 months
Options exercisable, Weighted Average Remaining Contractual Term	5 years 3 months 25 days
Stock Options Outstanding, Aggregate Intrinsic Value, Beginning balance	$ 16,043
Stock Options Outstanding, Aggregate Intrinsic Value, Ending balance	213	$ 16,043
Options exercisable, Aggregate Intrinsic Value	$ 213

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Stock-Based Compensation, Restricted Stock Activity (Details) shares in Thousands	6 Months Ended
	Jun. 30, 2020 $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Outstanding Shares, Beginning balance (in shares) | shares	2,393
Granted | shares	1,032
Vested | shares	(804)
Forfeited | shares	(72)
Outstanding Shares, Ending balance (in shares) | shares	2,550
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]
Outstanding, Weighted Average Grant Date Fair Value, Beginning balance (in usd per share) | $ / shares	$ 22.39
Granted, Weighted Average Grant Date Fair Value | $ / shares	18.38
Vested, Weighted Average Grant Date Fair Value | $ / shares	23.05
Forfeited, Weighted Average Grant Date Fair Value | $ / shares	22.64
Outstanding Weighted Average Grant Date Fair Value, Ending balance (in usd per share) | $ / shares	$ 20.56

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Stock-Based Compensation (Details Textuals) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Share-based Compensation Arrangement by Share-based Payment Award
Intrinsic value of stock options exercised	$ 1	$ 3
Total fair value of vested stock options	$ 3	4
Minimum
Share-based Compensation Arrangement by Share-based Payment Award
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage	0.00%
Maximum
Share-based Compensation Arrangement by Share-based Payment Award
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage	150.00%
Employee Stock Option
Share-based Compensation Arrangement by Share-based Payment Award
Recognized compensation expense for vesting	$ 3	$ 3
Recognized compensation expense for accelerated vesting	1
Unvested share-based payment awards	$ 4
Remaining requisite service periods, extend through	first quarter of 2024
Performance-based Restricted Stock Award
Share-based Compensation Arrangement by Share-based Payment Award
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	3 years	3 years
Service-based Restricted Stock Award
Share-based Compensation Arrangement by Share-based Payment Award
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	4 years	4 years
Restricted Stock Award
Share-based Compensation Arrangement by Share-based Payment Award
Recognized compensation expense for vesting	$ 12	$ 13
Recognized compensation expense for accelerated vesting	5
Unvested share-based payment awards	$ 23
Remaining requisite service periods, extend through	first quarter of 2024

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Investment Securities, AFS and HTM Securities Amortized Costs and Fair Values (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Investment securities available for sale
Amortized Cost	$ 3,100,291	$ 3,251,950
Gross Unrealized Gains	65,584	30,920
Gross Unrealized (Losses)	(16,102)	(20,284)
Fair Value	3,149,773	3,262,586
Investment securities held to maturity
Held to Maturity, Amortized Cost	2,077,287	2,205,083
Held-to-maturity, Gross Unrealized Gains	132,271	79,744
Held-to-maturity, Gross Unrealized Loss	(53)	(8,363)
Held-to-maturity, Fair Value	2,209,505	2,276,465
U. S. Treasury securities
Investment securities available for sale
Amortized Cost	26,646
Gross Unrealized Gains	88
Gross Unrealized (Losses)	0
Fair Value	26,735
Investment securities held to maturity
Held to Maturity, Amortized Cost	999	999
Held-to-maturity, Gross Unrealized Gains	36	19
Held-to-maturity, Gross Unrealized Loss	0	0
Held-to-maturity, Fair Value	1,036	1,018
Agency Securities
Investment securities available for sale
Amortized Cost	24,982
Gross Unrealized Gains	25
Gross Unrealized (Losses)	0
Fair Value	25,007
Obligations of state and political subdivisions (municipal securities)
Investment securities available for sale
Amortized Cost	471,346	529,908
Gross Unrealized Gains	24,542	16,269
Gross Unrealized (Losses)	0	(18)
Fair Value	495,888	546,160
Investment securities held to maturity
Held to Maturity, Amortized Cost	1,435,938	1,418,569
Held-to-maturity, Gross Unrealized Gains	110,132	69,775
Held-to-maturity, Gross Unrealized Loss	(53)	(1,118)
Held-to-maturity, Fair Value	1,546,018	1,487,227
FFELP
Investment securities available for sale
Amortized Cost	356,532	270,178
Gross Unrealized Gains	0	0
Gross Unrealized (Losses)	(16,058)	(6,485)
Fair Value	340,474	263,693
Investment securities held to maturity
Held to Maturity, Amortized Cost	0
Held-to-maturity, Fair Value	0
SBA
Investment securities available for sale
Amortized Cost	9,619
Gross Unrealized Gains	0
Gross Unrealized (Losses)	(44)
Fair Value	9,575
Investment securities held to maturity
Held to Maturity, Amortized Cost	0
Held-to-maturity, Fair Value	0
Other debt securities
Investment securities available for sale
Amortized Cost	3,000	3,000
Gross Unrealized Gains	0	0
Gross Unrealized (Losses)	0	0
Fair Value	3,000	3,000
FNMA / FHLMC | Residential mortgage-related securities
Investment securities available for sale
Amortized Cost	813,458	131,158
Gross Unrealized Gains	4,652	1,562
Gross Unrealized (Losses)	0	(59)
Fair Value	818,110	132,660
Investment securities held to maturity
Held to Maturity, Amortized Cost	71,872	81,676
Held-to-maturity, Gross Unrealized Gains	3,400	1,759
Held-to-maturity, Gross Unrealized Loss	0	(15)
Held-to-maturity, Fair Value	75,271	83,420
FNMA / FHLMC | Commercial mortgage-related securities
Investment securities available for sale
Amortized Cost	19,793	19,929
Gross Unrealized Gains	2,269	1,799
Gross Unrealized (Losses)	0	0
Fair Value	22,061	21,728
Investment securities held to maturity
Held to Maturity, Amortized Cost	0
Held-to-maturity, Fair Value	0
GNMA | Residential mortgage-related securities
Investment securities available for sale
Amortized Cost	592,338	982,941
Gross Unrealized Gains	13,222	3,887
Gross Unrealized (Losses)	0	(1,689)
Fair Value	605,561	985,139
Investment securities held to maturity
Held to Maturity, Amortized Cost	207,908	269,523
Held-to-maturity, Gross Unrealized Gains	7,012	1,882
Held-to-maturity, Gross Unrealized Loss	0	(1,108)
Held-to-maturity, Fair Value	214,920	270,296
GNMA | Commercial mortgage-related securities
Investment securities available for sale
Amortized Cost	782,577	1,314,836
Gross Unrealized Gains	20,786	7,403
Gross Unrealized (Losses)	0	(12,032)
Fair Value	803,362	1,310,207
Investment securities held to maturity
Held to Maturity, Amortized Cost	360,570	434,317
Held-to-maturity, Gross Unrealized Gains	11,691	6,308
Held-to-maturity, Gross Unrealized Loss	0	(6,122)
Held-to-maturity, Fair Value	$ 372,261	$ 434,503

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Investment Securities, AFS and HTM Contractual Maturities (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Amortized Cost
Available for Sale, Due in one year or less	$ 9,427
Available for Sale, Due after one year through five years	83,136
Available for Sale, Due after five years through ten years	343,084
Available for Sale, Due after ten years	90,327
Available for Sale, Total debt securities	525,975
Available for Sale, amortized cost	3,100,291	$ 3,251,950
Fair Value
Available for Sale, Due in one year or less	9,458
Available for Sale, Due after one year through five years	83,882
Available for Sale, Due after five years through ten years	360,051
Available for Sale, Due after ten years	97,240
Available for Sale, Total debt securities	550,630
Investment securities available for sale, at fair value	$ 3,149,773	3,262,586
Available for Sale, Ratio of Fair Value to Amortized Cost	101.60%
Amortized Cost
Held to Maturity, Due in one year or less	$ 33,745
Held to Maturity, Due after one year through five years	67,917
Held to Maturity, Due after five years through ten years	166,553
Held to Maturity, Due after ten years	1,168,722
Held to Maturity, Total Debt Securities	1,436,937
Held to Maturity, Amortized Cost	2,077,287	2,205,083
Fair Value
Held to Maturity, Due in one year or less	33,927
Held to Maturity, Due after one year through five years	69,887
Held to Maturity, Due after five years through ten years	175,189
Held to Maturity, Due after ten years	1,268,050
Held to Maturity, Securities, Debt Securities	1,547,053
Held to Maturity, Total debt securities at fair value	$ 2,209,505	2,276,465
Held to Maturity, Ratio of Fair Value to Amortized Cost	106.40%
SBA
Amortized Cost
Available for Sale, amortized cost	$ 9,619
Fair Value
Investment securities available for sale, at fair value	9,575
Amortized Cost
Held to Maturity, Amortized Cost	0
Fair Value
Held to Maturity, Total debt securities at fair value	0
FFELP
Amortized Cost
Available for Sale, amortized cost	356,532	270,178
Fair Value
Investment securities available for sale, at fair value	340,474	263,693
Amortized Cost
Held to Maturity, Amortized Cost	0
Fair Value
Held to Maturity, Total debt securities at fair value	0
FNMA/FHLMC | Residential Related Securities
Amortized Cost
Available for Sale, amortized cost	813,458	131,158
Fair Value
Investment securities available for sale, at fair value	818,110	132,660
Amortized Cost
Held to Maturity, Amortized Cost	71,872	81,676
Fair Value
Held to Maturity, Total debt securities at fair value	75,271	83,420
FNMA/FHLMC | Commercial mortgage-related securities
Amortized Cost
Available for Sale, amortized cost	19,793	19,929
Fair Value
Investment securities available for sale, at fair value	22,061	21,728
Amortized Cost
Held to Maturity, Amortized Cost	0
Fair Value
Held to Maturity, Total debt securities at fair value	0
GNMA | Residential Related Securities
Amortized Cost
Available for Sale, amortized cost	592,338	982,941
Fair Value
Investment securities available for sale, at fair value	605,561	985,139
Amortized Cost
Held to Maturity, Amortized Cost	207,908	269,523
Fair Value
Held to Maturity, Total debt securities at fair value	214,920	270,296
GNMA | Commercial mortgage-related securities
Amortized Cost
Available for Sale, amortized cost	782,577	1,314,836
Fair Value
Investment securities available for sale, at fair value	803,362	1,310,207
Amortized Cost
Held to Maturity, Amortized Cost	360,570	434,317
Fair Value
Held to Maturity, Total debt securities at fair value	$ 372,261	$ 434,503

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Investment Securities, HTM Credit Quality Indicators (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Schedule of Held-to-maturity Securities [Line Items]
Investment securities held to maturity, net	$ 2,077,287	$ 2,205,083
US Treasury Securities
Schedule of Held-to-maturity Securities [Line Items]
Investment securities held to maturity, net	999	999
Obligations of state and political subdivisions (municipal securities)
Schedule of Held-to-maturity Securities [Line Items]
Investment securities held to maturity, net	1,435,938	$ 1,418,569
FNMA/FHLMC
Schedule of Held-to-maturity Securities [Line Items]
Investment securities held to maturity, net	71,872
GNMA
Schedule of Held-to-maturity Securities [Line Items]
Investment securities held to maturity, net	207,908
GNMA commercial mortgage-related securities
Schedule of Held-to-maturity Securities [Line Items]
Investment securities held to maturity, net	360,570
AAA
Schedule of Held-to-maturity Securities [Line Items]
Investment securities held to maturity, net	1,203,018
AAA | US Treasury Securities
Schedule of Held-to-maturity Securities [Line Items]
Investment securities held to maturity, net	999
AAA | Obligations of state and political subdivisions (municipal securities)
Schedule of Held-to-maturity Securities [Line Items]
Investment securities held to maturity, net	561,670
AAA | FNMA/FHLMC
Schedule of Held-to-maturity Securities [Line Items]
Investment securities held to maturity, net	71,872
AAA | GNMA
Schedule of Held-to-maturity Securities [Line Items]
Investment securities held to maturity, net	207,908
AAA | GNMA commercial mortgage-related securities
Schedule of Held-to-maturity Securities [Line Items]
Investment securities held to maturity, net	360,570
AA
Schedule of Held-to-maturity Securities [Line Items]
Investment securities held to maturity, net	853,910
AA | US Treasury Securities
Schedule of Held-to-maturity Securities [Line Items]
Investment securities held to maturity, net	0
AA | Obligations of state and political subdivisions (municipal securities)
Schedule of Held-to-maturity Securities [Line Items]
Investment securities held to maturity, net	853,910
AA | FNMA/FHLMC
Schedule of Held-to-maturity Securities [Line Items]
Investment securities held to maturity, net	0
AA | GNMA
Schedule of Held-to-maturity Securities [Line Items]
Investment securities held to maturity, net	0
AA | GNMA commercial mortgage-related securities
Schedule of Held-to-maturity Securities [Line Items]
Investment securities held to maturity, net	0
A
Schedule of Held-to-maturity Securities [Line Items]
Investment securities held to maturity, net	20,358
A | US Treasury Securities
Schedule of Held-to-maturity Securities [Line Items]
Investment securities held to maturity, net	0
A | Obligations of state and political subdivisions (municipal securities)
Schedule of Held-to-maturity Securities [Line Items]
Investment securities held to maturity, net	20,358
A | FNMA/FHLMC
Schedule of Held-to-maturity Securities [Line Items]
Investment securities held to maturity, net	0
A | GNMA
Schedule of Held-to-maturity Securities [Line Items]
Investment securities held to maturity, net	0
A | GNMA commercial mortgage-related securities
Schedule of Held-to-maturity Securities [Line Items]
Investment securities held to maturity, net	$ 0

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Investment Securities Gain/Loss Sale of Securities (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Investments, Debt and Equity Securities [Abstract]
Gross gains on available for sale securities	$ 3,106	$ 654	$ 9,304	$ 2,334
Gross gains on held to maturity securities	0	0	0	0
Total gains	3,106	654	9,304	2,334
Gross (losses) on available for sale securities	(11)	(13,636)	(90)	(13,636)
Gross (losses) on held to maturity securities	0	0	0	0
Total (losses)	(11)	(13,636)	(90)	(13,636)
Write-up of equity securities without readily determinable fair values	0	13,444	0	13,444
Investment securities gains (losses), net	3,096	463	9,214	2,143
Proceeds from sales of investment securities	$ 261,037	$ 803,105	$ 626,276	$ 934,228

XML

Investment Securities, AFS and HTM Securities Gross Unrealized Losses (Details) $ in Thousands	Jun. 30, 2020 USD ($) security	Dec. 31, 2019 USD ($) security
Investment securities available for sale
Unrealized losses on available for sale securities, less than 12 months	$ (5,522)	$ (7,843)
Unrealized losses on available for sale securities, 12 months or more	(10,580)	(12,440)
Total unrealized losses on available for sale securities	(16,102)	(20,284)
Fair value of unrealized losses on available for sale securities, less than 12 months	212,172	834,616
Fair value of unrealized losses on available for sale securities, 12 months or more	193,164	748,487
Total fair value of unrealized losses on available for sale securities	$ 405,336	$ 1,583,104
Available-for-sale, Number of Securities
Available for sale, number of securities, less than 12 months | security	30	65
Available for sale, number of securities, 12 months or more | security	17	51
Investment securities held to maturity
Unrealized losses on held to maturity securities, less than 12 months	$ (52)	$ (2,199)
Unrealized losses on held to maturity securities, 12 months or more	(1)	(6,164)
Total unrealized losses on held to maturity securities	$ (53)	$ (8,363)
Held-to-maturity, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions, 12 Months or Longer | security	2	36
Fair value of unrealized losses on held to maturity securities, less than 12 months	$ 12,431	$ 292,267
Fair value of unrealized losses on held to maturity securities, 12 months or more	365	367,532
Total fair value of unrealized losses on held to maturity securities	$ 12,796	$ 659,799
Held-to-maturity, Securities In Unrealized Loss Positions Qualitative Disclosure Number Of Positions, less than 12 Months | security	8	67
SBA
Investment securities available for sale
Unrealized losses on available for sale securities, less than 12 months	$ (44)
Unrealized losses on available for sale securities, 12 months or more	0
Total unrealized losses on available for sale securities	(44)
Fair value of unrealized losses on available for sale securities, less than 12 months	9,422
Fair value of unrealized losses on available for sale securities, 12 months or more	0
Total fair value of unrealized losses on available for sale securities	$ 9,422
Available-for-sale, Number of Securities
Available for sale, number of securities, less than 12 months | security	15
Available for sale, number of securities, 12 months or more | security	0
Obligations of state and political subdivisions (municipal securities)
Investment securities available for sale
Unrealized losses on available for sale securities, less than 12 months	$ 0	$ (18)
Unrealized losses on available for sale securities, 12 months or more	0	0
Total unrealized losses on available for sale securities	0	(18)
Fair value of unrealized losses on available for sale securities, less than 12 months	548	1,225
Fair value of unrealized losses on available for sale securities, 12 months or more	0	0
Total fair value of unrealized losses on available for sale securities	$ 548	$ 1,225
Available-for-sale, Number of Securities
Available for sale, number of securities, less than 12 months | security	1	4
Available for sale, number of securities, 12 months or more | security	0	0
Investment securities held to maturity
Unrealized losses on held to maturity securities, less than 12 months	$ (52)	$ (1,105)
Unrealized losses on held to maturity securities, 12 months or more	(1)	(13)
Total unrealized losses on held to maturity securities	(53)	(1,118)
Fair value of unrealized losses on held to maturity securities, less than 12 months	12,431	77,562
Fair value of unrealized losses on held to maturity securities, 12 months or more	365	2,378
Total fair value of unrealized losses on held to maturity securities	$ 12,796	$ 79,940
Obligations of state and political subdivisions (municipal securities) | Held to maturity, number of securities, less than 12 months
Investment securities held to maturity
Number of held to maturity securities in a continuous unrealized loss position | security	8	52
Obligations of state and political subdivisions (municipal securities) | Held to maturity, number of securities, 12 months or more
Investment securities held to maturity
Number of held to maturity securities in a continuous unrealized loss position | security	2	6
FFELP
Investment securities available for sale
Unrealized losses on available for sale securities, less than 12 months	$ (5,478)	$ (6,092)
Unrealized losses on available for sale securities, 12 months or more	(10,580)	(393)
Total unrealized losses on available for sale securities	(16,058)	(6,485)
Fair value of unrealized losses on available for sale securities, less than 12 months	147,310	250,780
Fair value of unrealized losses on available for sale securities, 12 months or more	193,164	12,913
Total fair value of unrealized losses on available for sale securities	$ 340,474	$ 263,693
Available-for-sale, Number of Securities
Available for sale, number of securities, less than 12 months | security	9	19
Available for sale, number of securities, 12 months or more | security	17	2
Other Debt securities
Investment securities available for sale
Unrealized losses on available for sale securities, less than 12 months		$ 0
Unrealized losses on available for sale securities, 12 months or more		0
Total unrealized losses on available for sale securities		0
Fair value of unrealized losses on available for sale securities, less than 12 months		2,000
Fair value of unrealized losses on available for sale securities, 12 months or more		0
Total fair value of unrealized losses on available for sale securities		$ 2,000
Available-for-sale, Number of Securities
Available for sale, number of securities, less than 12 months | security		2
Available for sale, number of securities, 12 months or more | security		0
FNMA/FHLMC | Residential Related Securities
Investment securities available for sale
Unrealized losses on available for sale securities, less than 12 months	$ 0	$ 0
Unrealized losses on available for sale securities, 12 months or more	0	(59)
Total unrealized losses on available for sale securities	0	(59)
Fair value of unrealized losses on available for sale securities, less than 12 months	54,893	0
Fair value of unrealized losses on available for sale securities, 12 months or more	0	34,807
Total fair value of unrealized losses on available for sale securities	$ 54,893	$ 34,807
Available-for-sale, Number of Securities
Available for sale, number of securities, less than 12 months | security	5	0
Available for sale, number of securities, 12 months or more | security	0	4
Investment securities held to maturity
Unrealized losses on held to maturity securities, less than 12 months		$ (6)
Unrealized losses on held to maturity securities, 12 months or more		(9)
Total unrealized losses on held to maturity securities		(15)
Fair value of unrealized losses on held to maturity securities, less than 12 months		1,242
Fair value of unrealized losses on held to maturity securities, 12 months or more		833
Total fair value of unrealized losses on held to maturity securities		$ 2,075
FNMA/FHLMC | Residential Related Securities | Held to maturity, number of securities, less than 12 months
Investment securities held to maturity
Number of held to maturity securities in a continuous unrealized loss position | security		1
FNMA/FHLMC | Residential Related Securities | Held to maturity, number of securities, 12 months or more
Investment securities held to maturity
Number of held to maturity securities in a continuous unrealized loss position | security		1
GNMA | Residential Related Securities
Investment securities available for sale
Unrealized losses on available for sale securities, less than 12 months		$ (924)
Unrealized losses on available for sale securities, 12 months or more		(766)
Total unrealized losses on available for sale securities		(1,689)
Fair value of unrealized losses on available for sale securities, less than 12 months		322,394
Fair value of unrealized losses on available for sale securities, 12 months or more		79,461
Total fair value of unrealized losses on available for sale securities		$ 401,856
Available-for-sale, Number of Securities
Available for sale, number of securities, less than 12 months | security		18
Available for sale, number of securities, 12 months or more | security		3
Investment securities held to maturity
Unrealized losses on held to maturity securities, less than 12 months		$ (1,059)
Unrealized losses on held to maturity securities, 12 months or more		(49)
Total unrealized losses on held to maturity securities		(1,108)
Fair value of unrealized losses on held to maturity securities, less than 12 months		187,261
Fair value of unrealized losses on held to maturity securities, 12 months or more		6,587
Total fair value of unrealized losses on held to maturity securities		$ 193,849
GNMA | Residential Related Securities | Held to maturity, number of securities, less than 12 months
Investment securities held to maturity
Number of held to maturity securities in a continuous unrealized loss position | security		12
GNMA | Residential Related Securities | Held to maturity, number of securities, 12 months or more
Investment securities held to maturity
Number of held to maturity securities in a continuous unrealized loss position | security		8
GNMA | Commercial mortgage-related securities
Investment securities available for sale
Unrealized losses on available for sale securities, less than 12 months		$ (810)
Unrealized losses on available for sale securities, 12 months or more		(11,222)
Total unrealized losses on available for sale securities		(12,032)
Fair value of unrealized losses on available for sale securities, less than 12 months		258,218
Fair value of unrealized losses on available for sale securities, 12 months or more		621,307
Total fair value of unrealized losses on available for sale securities		$ 879,524
Available-for-sale, Number of Securities
Available for sale, number of securities, less than 12 months | security		22
Available for sale, number of securities, 12 months or more | security		42
Investment securities held to maturity
Unrealized losses on held to maturity securities, less than 12 months		$ (29)
Unrealized losses on held to maturity securities, 12 months or more		(6,093)
Total unrealized losses on held to maturity securities		(6,122)
Fair value of unrealized losses on held to maturity securities, less than 12 months		26,202
Fair value of unrealized losses on held to maturity securities, 12 months or more		357,733
Total fair value of unrealized losses on held to maturity securities		$ 383,935
GNMA | Commercial mortgage-related securities | Held to maturity, number of securities, less than 12 months
Investment securities held to maturity
Number of held to maturity securities in a continuous unrealized loss position | security		2
GNMA | Commercial mortgage-related securities | Held to maturity, number of securities, 12 months or more
Investment securities held to maturity
Number of held to maturity securities in a continuous unrealized loss position | security		21

XML

Investment Securities (Details Textual) - USD ($) $ in Thousands	3 Months Ended			6 Months Ended		12 Months Ended
	Jun. 30, 2020	Mar. 31, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019	Jan. 01, 2020
Investment Securities Information [Line Items]
Debt Securities, AFS, Principal Sold	$ 261,000	$ 281,000
Gain (Loss) on Sales of Mortgage Backed Securities (MBS)	3,000	6,000
Debt Securities, Available-for-sale, Sold at Par Value					$ 934,000
Pledged Financial Instruments, Not Separately Reported, Securities	1,900,000			$ 1,900,000		$ 2,600,000
Interest Receivable	87,097			87,097		91,196
Debt Securities, Held-to-maturity, Nonaccrual, Interest Income				0		0
Debt Securities, Held-to-maturity, Past Due	0			0
Held to maturity allowance for credit loss	61			61			$ 61
Federal Home Loan Bank Stock	126,000			126,000		149,000
Federal Reserve Bank Stock	81,000			81,000		78,000
Equity securities with readily determinable fair values, Fair Value	$ 2,000			$ 2,000		2,000
Visa Restricted Stock Owned. Total	77,996
Visa Restricted Stock Owned at Fair Value				77,000
Visa Restricted Stock Donated			42,039
Visa Restricted Stock Owned at Zero Cost	996
Equity securities	$ 13,000			$ 13,000		13,000
First Staunton Bancshares [Member]
Investment Securities Information [Line Items]
Carrying amount of Securities Sold		$ 84,000
Held-to-maturity Securities [Member]
Investment Securities Information [Line Items]
Interest Receivable	15,000			15,000		16,000
Available-for-sale Securities [Member]
Investment Securities Information [Line Items]
Interest Receivable	9,000			9,000		10,000
Federal Home Loan Bank Certificates and Obligations (FHLB) [Member]
Investment Securities Information [Line Items]
Interest Receivable	2,000			2,000		2,000
Federal Reserve Bank Stock [Member]
Investment Securities Information [Line Items]
Interest Receivable	$ 0			$ 0		$ 0

XML

Loans Composition (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Loans and Leases Receivable Disclosure [Line Items]
Loans	$ 24,832,671	$ 22,821,440
PPP
Loans and Leases Receivable Disclosure [Line Items]
Loans	1,012,033	0
Commercial and industrial
Loans and Leases Receivable Disclosure [Line Items]
Loans	7,968,709	7,354,594
Commercial real estate — owner occupied
Loans and Leases Receivable Disclosure [Line Items]
Loans	914,385	911,265
Commercial and business lending
Loans and Leases Receivable Disclosure [Line Items]
Loans	9,895,127	8,265,858
Commercial real estate — investor
Loans and Leases Receivable Disclosure [Line Items]
Loans	4,174,125	3,794,517
Real estate construction
Loans and Leases Receivable Disclosure [Line Items]
Loans	1,708,189	1,420,900
Commercial real estate lending
Loans and Leases Receivable Disclosure [Line Items]
Loans	5,882,314	5,215,417
Total commercial
Loans and Leases Receivable Disclosure [Line Items]
Loans	15,777,441	13,481,275
Residential mortgage
Loans and Leases Receivable Disclosure [Line Items]
Loans	7,933,518	8,136,980
Home equity
Loans and Leases Receivable Disclosure [Line Items]
Loans	795,671	852,025
Other consumer
Loans and Leases Receivable Disclosure [Line Items]
Loans	326,040	351,159
Total consumer
Loans and Leases Receivable Disclosure [Line Items]
Loans	$ 9,055,230	$ 9,340,164

XML

Loans, Credit Quality Indicator by Vintage Year (Details) $ in Thousands	Jun. 30, 2020 USD ($)
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	$ 19,445
Financing Receivable, Revolving	2,924,286
Financing Receivable, Originated in Current Fiscal Year	4,165,465
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	5,762,111
Financing Receivable, Originated Two Years before Latest Fiscal Year	3,982,386
Financing Receivable, Originated Three Years before Latest Fiscal Year	2,554,155
Financing Receivable, Originated Four Years before Latest Fiscal Year	2,170,639
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	3,273,628
Total	24,832,671
Special Mention
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	234
Financing Receivable, Revolving	13,531
Financing Receivable, Originated in Current Fiscal Year	23,125
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	44,999
Financing Receivable, Originated Two Years before Latest Fiscal Year	55,868
Financing Receivable, Originated Three Years before Latest Fiscal Year	3,854
Financing Receivable, Originated Four Years before Latest Fiscal Year	25,195
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	15,683
Total	182,254
Pass
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	3,190
Financing Receivable, Revolving	2,894,381
Financing Receivable, Originated in Current Fiscal Year	4,085,744
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	5,624,245
Financing Receivable, Originated Two Years before Latest Fiscal Year	3,845,698
Financing Receivable, Originated Three Years before Latest Fiscal Year	2,459,878
Financing Receivable, Originated Four Years before Latest Fiscal Year	2,101,091
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	3,160,936
Total	24,171,974
Potential Problem
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	517
Financing Receivable, Revolving	15,618
Financing Receivable, Originated in Current Fiscal Year	52,540
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	71,634
Financing Receivable, Originated Two Years before Latest Fiscal Year	72,497
Financing Receivable, Originated Three Years before Latest Fiscal Year	56,719
Financing Receivable, Originated Four Years before Latest Fiscal Year	16,619
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	21,209
Total	306,836
Nonaccrual
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	15,504
Financing Receivable, Revolving	757
Financing Receivable, Originated in Current Fiscal Year	4,056
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	21,232
Financing Receivable, Originated Two Years before Latest Fiscal Year	8,323
Financing Receivable, Originated Three Years before Latest Fiscal Year	33,705
Financing Receivable, Originated Four Years before Latest Fiscal Year	27,733
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	75,800
Total	171,607
Oil and Gas Portfolio Segment [Member] | Potential Problem
Financing Receivable, Allowance for Credit Loss [Line Items]
Total	63,000
Oil and Gas Portfolio Segment [Member] | Nonaccrual
Financing Receivable, Allowance for Credit Loss [Line Items]
Total	50,000
Total commercial
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	16,599
Financing Receivable, Revolving	2,120,969
Financing Receivable, Originated in Current Fiscal Year	3,212,424
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	3,999,718
Financing Receivable, Originated Two Years before Latest Fiscal Year	3,180,887
Financing Receivable, Originated Three Years before Latest Fiscal Year	1,253,039
Financing Receivable, Originated Four Years before Latest Fiscal Year	988,922
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	1,021,484
Total	15,777,441
Total commercial | Special Mention
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0
Financing Receivable, Revolving	12,802
Financing Receivable, Originated in Current Fiscal Year	23,125
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	44,969
Financing Receivable, Originated Two Years before Latest Fiscal Year	55,576
Financing Receivable, Originated Three Years before Latest Fiscal Year	3,829
Financing Receivable, Originated Four Years before Latest Fiscal Year	25,159
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	14,860
Total	180,320
Total commercial | Pass
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	1,170
Financing Receivable, Revolving	2,094,324
Financing Receivable, Originated in Current Fiscal Year	3,135,547
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	3,866,425
Financing Receivable, Originated Two Years before Latest Fiscal Year	3,052,162
Financing Receivable, Originated Three Years before Latest Fiscal Year	1,167,818
Financing Receivable, Originated Four Years before Latest Fiscal Year	930,746
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	954,496
Total	15,201,517
Total commercial | Potential Problem
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	517
Financing Receivable, Revolving	13,843
Financing Receivable, Originated in Current Fiscal Year	51,760
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	70,927
Financing Receivable, Originated Two Years before Latest Fiscal Year	72,292
Financing Receivable, Originated Three Years before Latest Fiscal Year	56,507
Financing Receivable, Originated Four Years before Latest Fiscal Year	16,393
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	20,035
Total	301,758
Total commercial | Nonaccrual
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	14,911
Financing Receivable, Revolving	0
Financing Receivable, Originated in Current Fiscal Year	1,992
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	17,397
Financing Receivable, Originated Two Years before Latest Fiscal Year	857
Financing Receivable, Originated Three Years before Latest Fiscal Year	24,884
Financing Receivable, Originated Four Years before Latest Fiscal Year	16,624
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	32,093
Total	93,846
Total commercial | PPP
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0
Financing Receivable, Revolving	0
Financing Receivable, Originated in Current Fiscal Year	1,012,033
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Total	1,012,033
Total commercial | PPP | Special Mention
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0
Financing Receivable, Revolving	0
Financing Receivable, Originated in Current Fiscal Year	7,409
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Total	7,409
Total commercial | PPP | Pass
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0
Financing Receivable, Revolving	0
Financing Receivable, Originated in Current Fiscal Year	985,462
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Total	985,462
Total commercial | PPP | Potential Problem
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0
Financing Receivable, Revolving	0
Financing Receivable, Originated in Current Fiscal Year	19,161
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Total	19,161
Total commercial | Commercial And Industrial Financing Receivable [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	15,003
Financing Receivable, Revolving	1,858,562
Financing Receivable, Originated in Current Fiscal Year	948,477
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,806,776
Financing Receivable, Originated Two Years before Latest Fiscal Year	1,724,210
Financing Receivable, Originated Three Years before Latest Fiscal Year	674,708
Financing Receivable, Originated Four Years before Latest Fiscal Year	391,662
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	564,314
Total	7,968,709
Total commercial | Commercial And Industrial Financing Receivable [Member] | Special Mention
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0
Financing Receivable, Revolving	12,802
Financing Receivable, Originated in Current Fiscal Year	379
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	23,783
Financing Receivable, Originated Two Years before Latest Fiscal Year	7,299
Financing Receivable, Originated Three Years before Latest Fiscal Year	15
Financing Receivable, Originated Four Years before Latest Fiscal Year	5,541
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	17
Total	49,836
Total commercial | Commercial And Industrial Financing Receivable [Member] | Pass
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	20
Financing Receivable, Revolving	1,832,797
Financing Receivable, Originated in Current Fiscal Year	929,266
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,759,308
Financing Receivable, Originated Two Years before Latest Fiscal Year	1,650,024
Financing Receivable, Originated Three Years before Latest Fiscal Year	597,967
Financing Receivable, Originated Four Years before Latest Fiscal Year	361,006
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	531,995
Total	7,662,364
Total commercial | Commercial And Industrial Financing Receivable [Member] | Potential Problem
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	517
Financing Receivable, Revolving	12,963
Financing Receivable, Originated in Current Fiscal Year	17,235
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	16,544
Financing Receivable, Originated Two Years before Latest Fiscal Year	66,699
Financing Receivable, Originated Three Years before Latest Fiscal Year	52,176
Financing Receivable, Originated Four Years before Latest Fiscal Year	8,492
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	2,162
Total	176,270
Total commercial | Commercial And Industrial Financing Receivable [Member] | Nonaccrual
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	14,465
Financing Receivable, Revolving	0
Financing Receivable, Originated in Current Fiscal Year	1,597
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	7,140
Financing Receivable, Originated Two Years before Latest Fiscal Year	188
Financing Receivable, Originated Three Years before Latest Fiscal Year	24,550
Financing Receivable, Originated Four Years before Latest Fiscal Year	16,624
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	30,141
Total	80,239
Total commercial | Commercial real estate — owner occupied
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	1,150
Financing Receivable, Revolving	17,973
Financing Receivable, Originated in Current Fiscal Year	97,217
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	230,960
Financing Receivable, Originated Two Years before Latest Fiscal Year	146,670
Financing Receivable, Originated Three Years before Latest Fiscal Year	124,887
Financing Receivable, Originated Four Years before Latest Fiscal Year	174,911
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	121,768
Total	914,385
Total commercial | Commercial real estate — owner occupied | Special Mention
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0
Financing Receivable, Revolving	0
Financing Receivable, Originated in Current Fiscal Year	2,450
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	16,317
Financing Receivable, Originated Two Years before Latest Fiscal Year	12,776
Financing Receivable, Originated Three Years before Latest Fiscal Year	128
Financing Receivable, Originated Four Years before Latest Fiscal Year	2,439
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	5,321
Total	39,432
Total commercial | Commercial real estate — owner occupied | Pass
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	1,150
Financing Receivable, Revolving	17,897
Financing Receivable, Originated in Current Fiscal Year	94,106
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	213,234
Financing Receivable, Originated Two Years before Latest Fiscal Year	131,748
Financing Receivable, Originated Three Years before Latest Fiscal Year	121,963
Financing Receivable, Originated Four Years before Latest Fiscal Year	166,366
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	111,790
Total	857,103
Total commercial | Commercial real estate — owner occupied | Potential Problem
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0
Financing Receivable, Revolving	77
Financing Receivable, Originated in Current Fiscal Year	661
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,409
Financing Receivable, Originated Two Years before Latest Fiscal Year	1,923
Financing Receivable, Originated Three Years before Latest Fiscal Year	2,461
Financing Receivable, Originated Four Years before Latest Fiscal Year	6,106
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	3,281
Total	15,919
Total commercial | Commercial real estate — owner occupied | Nonaccrual
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0
Financing Receivable, Revolving	0
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	223
Financing Receivable, Originated Three Years before Latest Fiscal Year	335
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	1,374
Total	1,932
Total commercial | Commercial and business lending
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	16,153
Financing Receivable, Revolving	1,876,535
Financing Receivable, Originated in Current Fiscal Year	2,057,727
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	2,037,736
Financing Receivable, Originated Two Years before Latest Fiscal Year	1,870,880
Financing Receivable, Originated Three Years before Latest Fiscal Year	799,595
Financing Receivable, Originated Four Years before Latest Fiscal Year	566,572
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	686,082
Total	9,895,127
Total commercial | Commercial and business lending | Special Mention
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0
Financing Receivable, Revolving	12,802
Financing Receivable, Originated in Current Fiscal Year	10,239
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	40,100
Financing Receivable, Originated Two Years before Latest Fiscal Year	20,075
Financing Receivable, Originated Three Years before Latest Fiscal Year	143
Financing Receivable, Originated Four Years before Latest Fiscal Year	7,979
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	5,338
Total	96,677
Total commercial | Commercial and business lending | Pass
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	1,170
Financing Receivable, Revolving	1,850,694
Financing Receivable, Originated in Current Fiscal Year	2,008,834
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,972,542
Financing Receivable, Originated Two Years before Latest Fiscal Year	1,781,772
Financing Receivable, Originated Three Years before Latest Fiscal Year	719,930
Financing Receivable, Originated Four Years before Latest Fiscal Year	527,371
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	643,786
Total	9,504,929
Total commercial | Commercial and business lending | Potential Problem
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	517
Financing Receivable, Revolving	13,040
Financing Receivable, Originated in Current Fiscal Year	37,058
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	17,953
Financing Receivable, Originated Two Years before Latest Fiscal Year	68,622
Financing Receivable, Originated Three Years before Latest Fiscal Year	54,637
Financing Receivable, Originated Four Years before Latest Fiscal Year	14,598
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	5,443
Total	211,350
Total commercial | Commercial and business lending | Nonaccrual
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	14,465
Financing Receivable, Revolving	0
Financing Receivable, Originated in Current Fiscal Year	1,597
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	7,140
Financing Receivable, Originated Two Years before Latest Fiscal Year	411
Financing Receivable, Originated Three Years before Latest Fiscal Year	24,884
Financing Receivable, Originated Four Years before Latest Fiscal Year	16,624
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	31,515
Total	82,171
Total commercial | Commercial real estate — investor
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	446
Financing Receivable, Revolving	176,850
Financing Receivable, Originated in Current Fiscal Year	875,014
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,151,033
Financing Receivable, Originated Two Years before Latest Fiscal Year	857,101
Financing Receivable, Originated Three Years before Latest Fiscal Year	382,098
Financing Receivable, Originated Four Years before Latest Fiscal Year	419,255
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	312,775
Total	4,174,125
Total commercial | Commercial real estate — investor | Special Mention
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0
Financing Receivable, Revolving	0
Financing Receivable, Originated in Current Fiscal Year	12,886
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	4,869
Financing Receivable, Originated Two Years before Latest Fiscal Year	17,098
Financing Receivable, Originated Three Years before Latest Fiscal Year	3,686
Financing Receivable, Originated Four Years before Latest Fiscal Year	17,180
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	9,509
Total	65,228
Total commercial | Commercial real estate — investor | Pass
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0
Financing Receivable, Revolving	176,047
Financing Receivable, Originated in Current Fiscal Year	847,031
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,083,145
Financing Receivable, Originated Two Years before Latest Fiscal Year	836,244
Financing Receivable, Originated Three Years before Latest Fiscal Year	378,098
Financing Receivable, Originated Four Years before Latest Fiscal Year	400,279
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	288,644
Total	4,009,488
Total commercial | Commercial real estate — investor | Potential Problem
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0
Financing Receivable, Revolving	803
Financing Receivable, Originated in Current Fiscal Year	14,703
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	52,762
Financing Receivable, Originated Two Years before Latest Fiscal Year	3,313
Financing Receivable, Originated Three Years before Latest Fiscal Year	314
Financing Receivable, Originated Four Years before Latest Fiscal Year	1,796
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	14,547
Total	88,237
Total commercial | Commercial real estate — investor | Nonaccrual
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	446
Financing Receivable, Revolving	0
Financing Receivable, Originated in Current Fiscal Year	395
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	10,256
Financing Receivable, Originated Two Years before Latest Fiscal Year	446
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	75
Total	11,172
Total commercial | Real Estate Construction
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0
Financing Receivable, Revolving	67,584
Financing Receivable, Originated in Current Fiscal Year	279,683
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	810,949
Financing Receivable, Originated Two Years before Latest Fiscal Year	452,906
Financing Receivable, Originated Three Years before Latest Fiscal Year	71,346
Financing Receivable, Originated Four Years before Latest Fiscal Year	3,095
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	22,627
Total	1,708,189
Total commercial | Real Estate Construction | Special Mention
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0
Financing Receivable, Revolving	0
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	18,402
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	12
Total	18,414
Total commercial | Real Estate Construction | Pass
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0
Financing Receivable, Revolving	67,584
Financing Receivable, Originated in Current Fiscal Year	279,683
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	810,738
Financing Receivable, Originated Two Years before Latest Fiscal Year	434,146
Financing Receivable, Originated Three Years before Latest Fiscal Year	69,790
Financing Receivable, Originated Four Years before Latest Fiscal Year	3,095
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	22,066
Total	1,687,100
Total commercial | Real Estate Construction | Potential Problem
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0
Financing Receivable, Revolving	0
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	211
Financing Receivable, Originated Two Years before Latest Fiscal Year	358
Financing Receivable, Originated Three Years before Latest Fiscal Year	1,557
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	45
Total	2,170
Total commercial | Real Estate Construction | Nonaccrual
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0
Financing Receivable, Revolving	0
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	503
Total	503
Total commercial | Commercial Real Estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	446
Financing Receivable, Revolving	244,433
Financing Receivable, Originated in Current Fiscal Year	1,154,696
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,961,982
Financing Receivable, Originated Two Years before Latest Fiscal Year	1,310,007
Financing Receivable, Originated Three Years before Latest Fiscal Year	453,444
Financing Receivable, Originated Four Years before Latest Fiscal Year	422,349
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	335,402
Total	5,882,314
Total commercial | Commercial Real Estate | Special Mention
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0
Financing Receivable, Revolving	0
Financing Receivable, Originated in Current Fiscal Year	12,886
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	4,869
Financing Receivable, Originated Two Years before Latest Fiscal Year	35,500
Financing Receivable, Originated Three Years before Latest Fiscal Year	3,686
Financing Receivable, Originated Four Years before Latest Fiscal Year	17,180
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	9,522
Total	83,643
Total commercial | Commercial Real Estate | Pass
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0
Financing Receivable, Revolving	243,630
Financing Receivable, Originated in Current Fiscal Year	1,126,713
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,893,883
Financing Receivable, Originated Two Years before Latest Fiscal Year	1,270,390
Financing Receivable, Originated Three Years before Latest Fiscal Year	447,888
Financing Receivable, Originated Four Years before Latest Fiscal Year	403,374
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	310,710
Total	5,696,589
Total commercial | Commercial Real Estate | Potential Problem
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0
Financing Receivable, Revolving	803
Financing Receivable, Originated in Current Fiscal Year	14,703
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	52,973
Financing Receivable, Originated Two Years before Latest Fiscal Year	3,670
Financing Receivable, Originated Three Years before Latest Fiscal Year	1,870
Financing Receivable, Originated Four Years before Latest Fiscal Year	1,796
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	14,592
Total	90,407
Total commercial | Commercial Real Estate | Nonaccrual
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	446
Financing Receivable, Revolving	0
Financing Receivable, Originated in Current Fiscal Year	395
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	10,256
Financing Receivable, Originated Two Years before Latest Fiscal Year	446
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	578
Total	11,675
Total consumer
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	2,846
Financing Receivable, Revolving	803,318
Financing Receivable, Originated in Current Fiscal Year	953,041
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,762,393
Financing Receivable, Originated Two Years before Latest Fiscal Year	801,499
Financing Receivable, Originated Three Years before Latest Fiscal Year	1,301,117
Financing Receivable, Originated Four Years before Latest Fiscal Year	1,181,717
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	2,252,145
Total	9,055,230
Total consumer | Special Mention
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	234
Financing Receivable, Revolving	729
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	30
Financing Receivable, Originated Two Years before Latest Fiscal Year	292
Financing Receivable, Originated Three Years before Latest Fiscal Year	24
Financing Receivable, Originated Four Years before Latest Fiscal Year	36
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	823
Total	1,934
Total consumer | Pass
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	2,020
Financing Receivable, Revolving	800,057
Financing Receivable, Originated in Current Fiscal Year	950,196
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,757,820
Financing Receivable, Originated Two Years before Latest Fiscal Year	793,537
Financing Receivable, Originated Three Years before Latest Fiscal Year	1,292,060
Financing Receivable, Originated Four Years before Latest Fiscal Year	1,170,346
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	2,206,441
Total	8,970,456
Total consumer | Potential Problem
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0
Financing Receivable, Revolving	1,775
Financing Receivable, Originated in Current Fiscal Year	780
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	707
Financing Receivable, Originated Two Years before Latest Fiscal Year	205
Financing Receivable, Originated Three Years before Latest Fiscal Year	212
Financing Receivable, Originated Four Years before Latest Fiscal Year	226
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	1,174
Total	5,078
Total consumer | Nonaccrual
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	593
Financing Receivable, Revolving	757
Financing Receivable, Originated in Current Fiscal Year	2,065
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	3,836
Financing Receivable, Originated Two Years before Latest Fiscal Year	7,466
Financing Receivable, Originated Three Years before Latest Fiscal Year	8,821
Financing Receivable, Originated Four Years before Latest Fiscal Year	11,110
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	43,707
Total	77,761
Total consumer | Residential mortgage
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0
Financing Receivable, Revolving	90
Financing Receivable, Originated in Current Fiscal Year	946,490
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,730,982
Financing Receivable, Originated Two Years before Latest Fiscal Year	774,348
Financing Receivable, Originated Three Years before Latest Fiscal Year	1,282,822
Financing Receivable, Originated Four Years before Latest Fiscal Year	1,171,880
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	2,026,905
Total	7,933,518
Total consumer | Residential mortgage | Special Mention
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0
Financing Receivable, Revolving	0
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	270
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	36
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	206
Total	511
Total consumer | Residential mortgage | Pass
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0
Financing Receivable, Revolving	90
Financing Receivable, Originated in Current Fiscal Year	943,953
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,726,616
Financing Receivable, Originated Two Years before Latest Fiscal Year	766,921
Financing Receivable, Originated Three Years before Latest Fiscal Year	1,274,176
Financing Receivable, Originated Four Years before Latest Fiscal Year	1,160,820
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	1,990,617
Total	7,863,194
Total consumer | Residential mortgage | Potential Problem
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0
Financing Receivable, Revolving	0
Financing Receivable, Originated in Current Fiscal Year	780
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	707
Financing Receivable, Originated Two Years before Latest Fiscal Year	205
Financing Receivable, Originated Three Years before Latest Fiscal Year	212
Financing Receivable, Originated Four Years before Latest Fiscal Year	226
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	1,028
Total	3,157
Total consumer | Residential mortgage | Nonaccrual
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0
Financing Receivable, Revolving	0
Financing Receivable, Originated in Current Fiscal Year	1,758
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	3,659
Financing Receivable, Originated Two Years before Latest Fiscal Year	6,953
Financing Receivable, Originated Three Years before Latest Fiscal Year	8,434
Financing Receivable, Originated Four Years before Latest Fiscal Year	10,798
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	35,055
Total	66,656
Total consumer | Home Equity Loan
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	2,824
Financing Receivable, Revolving	634,013
Financing Receivable, Originated in Current Fiscal Year	2,044
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	16,564
Financing Receivable, Originated Two Years before Latest Fiscal Year	21,541
Financing Receivable, Originated Three Years before Latest Fiscal Year	15,484
Financing Receivable, Originated Four Years before Latest Fiscal Year	7,743
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	98,282
Total	795,671
Total consumer | Home Equity Loan | Special Mention
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	233
Financing Receivable, Revolving	199
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	16
Financing Receivable, Originated Three Years before Latest Fiscal Year	24
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	610
Total	849
Total consumer | Home Equity Loan | Pass
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	2,005
Financing Receivable, Revolving	631,366
Financing Receivable, Originated in Current Fiscal Year	1,746
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	16,439
Financing Receivable, Originated Two Years before Latest Fiscal Year	21,034
Financing Receivable, Originated Three Years before Latest Fiscal Year	15,073
Financing Receivable, Originated Four Years before Latest Fiscal Year	7,510
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	88,904
Total	782,073
Total consumer | Home Equity Loan | Potential Problem
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0
Financing Receivable, Revolving	1,775
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	146
Total	1,921
Total consumer | Home Equity Loan | Nonaccrual
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	586
Financing Receivable, Revolving	673
Financing Receivable, Originated in Current Fiscal Year	297
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	124
Financing Receivable, Originated Two Years before Latest Fiscal Year	491
Financing Receivable, Originated Three Years before Latest Fiscal Year	387
Financing Receivable, Originated Four Years before Latest Fiscal Year	233
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	8,623
Total	10,829
Total consumer | Other consumer
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	22
Financing Receivable, Revolving	169,215
Financing Receivable, Originated in Current Fiscal Year	4,507
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	14,847
Financing Receivable, Originated Two Years before Latest Fiscal Year	5,610
Financing Receivable, Originated Three Years before Latest Fiscal Year	2,811
Financing Receivable, Originated Four Years before Latest Fiscal Year	2,094
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	126,957
Total	326,040
Total consumer | Other consumer | Special Mention
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	1
Financing Receivable, Revolving	530
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	30
Financing Receivable, Originated Two Years before Latest Fiscal Year	6
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	7
Total	574
Total consumer | Other consumer | Pass
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	15
Financing Receivable, Revolving	168,601
Financing Receivable, Originated in Current Fiscal Year	4,497
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	14,764
Financing Receivable, Originated Two Years before Latest Fiscal Year	5,581
Financing Receivable, Originated Three Years before Latest Fiscal Year	2,811
Financing Receivable, Originated Four Years before Latest Fiscal Year	2,015
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	126,920
Total	325,190
Total consumer | Other consumer | Nonaccrual
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	7
Financing Receivable, Revolving	84
Financing Receivable, Originated in Current Fiscal Year	10
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	53
Financing Receivable, Originated Two Years before Latest Fiscal Year	22
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	78
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	30
Total	$ 276

XML

Loans Credit Quality Indicator (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Financing Receivable, Credit Quality Indicator [Line Items]
Loans	$ 24,832,671	$ 22,821,440
Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		22,294,939
Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		247,022
Potential Problem
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		161,097
Nonaccrual
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		118,380
Commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
Loans	7,968,709	7,354,594
Commercial and industrial | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		7,118,448
Commercial and industrial | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		79,525
Commercial and industrial | Potential Problem
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		110,308
Commercial and industrial | Nonaccrual
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		46,312
Commercial real estate — owner occupied
Financing Receivable, Credit Quality Indicator [Line Items]
Loans	914,385	911,265
Commercial real estate — owner occupied | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		866,193
Commercial real estate — owner occupied | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		25,115
Commercial real estate — owner occupied | Potential Problem
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		19,889
Commercial real estate — owner occupied | Nonaccrual
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		67
Commercial and business lending
Financing Receivable, Credit Quality Indicator [Line Items]
Loans	9,895,127	8,265,858
Commercial and business lending | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		7,984,641
Commercial and business lending | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		104,641
Commercial and business lending | Potential Problem
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		130,197
Commercial and business lending | Nonaccrual
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		46,380
Commercial real estate — investor
Financing Receivable, Credit Quality Indicator [Line Items]
Loans	4,174,125	3,794,517
Commercial real estate — investor | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		3,620,785
Commercial real estate — investor | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		139,873
Commercial real estate — investor | Potential Problem
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		29,449
Commercial real estate — investor | Nonaccrual
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		4,409
Real estate construction
Financing Receivable, Credit Quality Indicator [Line Items]
Loans	1,708,189	1,420,900
Real estate construction | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		1,420,374
Real estate construction | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		33
Real estate construction | Potential Problem
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		0
Real estate construction | Nonaccrual
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		493
Commercial real estate lending
Financing Receivable, Credit Quality Indicator [Line Items]
Loans	5,882,314	5,215,417
Commercial real estate lending | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		5,041,159
Commercial real estate lending | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		139,906
Commercial real estate lending | Potential Problem
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		29,449
Commercial real estate lending | Nonaccrual
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		4,902
Total commercial
Financing Receivable, Credit Quality Indicator [Line Items]
Loans	15,777,441	13,481,275
Total commercial | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		13,025,800
Total commercial | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		244,547
Total commercial | Potential Problem
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		159,646
Total commercial | Nonaccrual
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		51,282
Residential mortgage
Financing Receivable, Credit Quality Indicator [Line Items]
Loans	7,933,518	8,136,980
Residential mortgage | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		8,077,122
Residential mortgage | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		563
Residential mortgage | Potential Problem
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		1,451
Residential mortgage | Nonaccrual
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		57,844
Home equity
Financing Receivable, Credit Quality Indicator [Line Items]
Loans	795,671	852,025
Home equity | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		841,757
Home equity | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		1,164
Home equity | Potential Problem
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		0
Home equity | Nonaccrual
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		9,104
Other consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Loans	326,040	351,159
Other consumer | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		350,260
Other consumer | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		748
Other consumer | Potential Problem
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		0
Other consumer | Nonaccrual
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		152
Total consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Loans	$ 9,055,230	9,340,164
Total consumer | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		9,269,139
Total consumer | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		2,475
Total consumer | Potential Problem
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		1,451
Total consumer | Nonaccrual
Financing Receivable, Credit Quality Indicator [Line Items]
Loans		$ 67,099

XML

Loans Past Due Status (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2020	Dec. 31, 2019
Summarized details of Loans
Current(a)	$ 24,636,810	$ 24,636,810	$ 22,679,696
Nonaccrual(b)(c)	171,607	171,607	118,380
Loans and Leases Receivable, Net of Deferred Income, Total	24,832,671	24,832,671	22,821,440
Nonaccrual Loans, Current Portion	$ 117,000	$ 117,000	$ 48,000
Percent of current nonaccrual loans	68.00%	68.00%	41.00%
Financing Receivable, Nonaccrual, Interest Income	$ 0	$ 0
Financing Receivable, Nonaccrual, No Allowance	91,000	91,000
30-59 Days Past Due
Summarized details of Loans
Total Past Due	9,664	9,664	$ 18,188
60-89 Days Past Due
Summarized details of Loans
Total Past Due	13,125	13,125	2,916
90 Days or More Past Due
Summarized details of Loans
Total Past Due	1,466	1,466	2,259
PPP
Summarized details of Loans
Current(a)	1,012,033	1,012,033
Nonaccrual(b)(c)	0	0
Loans and Leases Receivable, Net of Deferred Income, Total	1,012,033	1,012,033	0
PPP | 30-59 Days Past Due
Summarized details of Loans
Total Past Due	0	0
PPP | 60-89 Days Past Due
Summarized details of Loans
Total Past Due	0	0
PPP | 90 Days or More Past Due
Summarized details of Loans
Total Past Due	0	0
Commercial and industrial
Summarized details of Loans
Current(a)	7,887,369	7,887,369	7,307,118
Nonaccrual(b)(c)	80,239	80,239	46,312
Loans and Leases Receivable, Net of Deferred Income, Total	7,968,709	7,968,709	7,354,594
Commercial and industrial | 30-59 Days Past Due
Summarized details of Loans
Total Past Due	274	274	576
Commercial and industrial | 60-89 Days Past Due
Summarized details of Loans
Total Past Due	442	442	245
Commercial and industrial | 90 Days or More Past Due
Summarized details of Loans
Total Past Due	385	385	342
Commercial real estate — owner occupied
Summarized details of Loans
Current(a)	912,254	912,254	909,828
Nonaccrual(b)(c)	1,932	1,932	67
Loans and Leases Receivable, Net of Deferred Income, Total	914,385	914,385	911,265
Commercial real estate — owner occupied | 30-59 Days Past Due
Summarized details of Loans
Total Past Due	199	199	1,369
Commercial real estate — owner occupied | 60-89 Days Past Due
Summarized details of Loans
Total Past Due	0	0	0
Commercial real estate — owner occupied | 90 Days or More Past Due
Summarized details of Loans
Total Past Due	0	0	0
Commercial and business lending
Summarized details of Loans
Current(a)	9,811,656	9,811,656	8,216,947
Nonaccrual(b)(c)	82,171	82,171	46,380
Loans and Leases Receivable, Net of Deferred Income, Total	9,895,127	9,895,127	8,265,858
Commercial and business lending | 30-59 Days Past Due
Summarized details of Loans
Total Past Due	473	473	1,945
Commercial and business lending | 60-89 Days Past Due
Summarized details of Loans
Total Past Due	442	442	245
Commercial and business lending | 90 Days or More Past Due
Summarized details of Loans
Total Past Due	385	385	342
Commercial real estate — investor
Summarized details of Loans
Current(a)	4,149,079	4,149,079	3,788,296
Nonaccrual(b)(c)	11,172	11,172	4,409
Loans and Leases Receivable, Net of Deferred Income, Total	4,174,125	4,174,125	3,794,517
Commercial real estate — investor | 30-59 Days Past Due
Summarized details of Loans
Total Past Due	2,886	2,886	1,812
Commercial real estate — investor | 60-89 Days Past Due
Summarized details of Loans
Total Past Due	10,989	10,989	0
Commercial real estate — investor | 90 Days or More Past Due
Summarized details of Loans
Total Past Due	0	0	0
Real estate construction
Summarized details of Loans
Current(a)	1,707,300	1,707,300	1,420,310
Nonaccrual(b)(c)	503	503	493
Loans and Leases Receivable, Net of Deferred Income, Total	1,708,189	1,708,189	1,420,900
Real estate construction | 30-59 Days Past Due
Summarized details of Loans
Total Past Due	373	373	64
Real estate construction | 60-89 Days Past Due
Summarized details of Loans
Total Past Due	12	12	33
Real estate construction | 90 Days or More Past Due
Summarized details of Loans
Total Past Due	0	0	0
Commercial real estate lending
Summarized details of Loans
Current(a)	5,856,379	5,856,379	5,208,606
Nonaccrual(b)(c)	11,675	11,675	4,902
Loans and Leases Receivable, Net of Deferred Income, Total	5,882,314	5,882,314	5,215,417
Commercial real estate lending | 30-59 Days Past Due
Summarized details of Loans
Total Past Due	3,259	3,259	1,876
Commercial real estate lending | 60-89 Days Past Due
Summarized details of Loans
Total Past Due	11,001	11,001	33
Commercial real estate lending | 90 Days or More Past Due
Summarized details of Loans
Total Past Due	0	0	0
Total commercial
Summarized details of Loans
Current(a)	15,668,035	15,668,035	13,425,552
Nonaccrual(b)(c)	93,846	93,846	51,282
Loans and Leases Receivable, Net of Deferred Income, Total	15,777,441	15,777,441	13,481,275
Total commercial | 30-59 Days Past Due
Summarized details of Loans
Total Past Due	3,732	3,732	3,821
Total commercial | 60-89 Days Past Due
Summarized details of Loans
Total Past Due	11,443	11,443	278
Total commercial | 90 Days or More Past Due
Summarized details of Loans
Total Past Due	385	385	342
Residential mortgage
Summarized details of Loans
Current(a)	7,863,839	7,863,839	8,069,863
Nonaccrual(b)(c)	66,656	66,656	57,844
Loans and Leases Receivable, Net of Deferred Income, Total	7,933,518	7,933,518	8,136,980
Residential mortgage | 30-59 Days Past Due
Summarized details of Loans
Total Past Due	2,789	2,789	8,749
Residential mortgage | 60-89 Days Past Due
Summarized details of Loans
Total Past Due	233	233	525
Residential mortgage | 90 Days or More Past Due
Summarized details of Loans
Total Past Due	0	0	0
Home equity
Summarized details of Loans
Current(a)	781,735	781,735	837,274
Nonaccrual(b)(c)	10,829	10,829	9,104
Loans and Leases Receivable, Net of Deferred Income, Total	795,671	795,671	852,025
Home equity | 30-59 Days Past Due
Summarized details of Loans
Total Past Due	2,259	2,259	4,483
Home equity | 60-89 Days Past Due
Summarized details of Loans
Total Past Due	849	849	1,164
Home equity | 90 Days or More Past Due
Summarized details of Loans
Total Past Due	0	0	0
Other consumer
Summarized details of Loans
Current(a)	323,201	323,201	347,007
Nonaccrual(b)(c)	276	276	152
Loans and Leases Receivable, Net of Deferred Income, Total	326,040	326,040	351,159
Other consumer | 30-59 Days Past Due
Summarized details of Loans
Total Past Due	883	883	1,135
Other consumer | 60-89 Days Past Due
Summarized details of Loans
Total Past Due	599	599	949
Other consumer | 90 Days or More Past Due
Summarized details of Loans
Total Past Due	1,081	1,081	1,917
Total consumer
Summarized details of Loans
Current(a)	8,968,775	8,968,775	9,254,144
Nonaccrual(b)(c)	77,761	77,761	67,099
Loans and Leases Receivable, Net of Deferred Income, Total	9,055,230	9,055,230	9,340,164
Total consumer | 30-59 Days Past Due
Summarized details of Loans
Total Past Due	5,932	5,932	14,366
Total consumer | 60-89 Days Past Due
Summarized details of Loans
Total Past Due	1,681	1,681	2,638
Total consumer | 90 Days or More Past Due
Summarized details of Loans
Total Past Due	$ 1,081	$ 1,081	$ 1,917

XML

Loans, Impaired Loans Recorded Investment, Unpaid Principal Balance, Related Allowance, Average Recorded Investment, and Interest Income Recognized (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($)
Loan and Lease Receivables, Impaired [Abstract]
Recorded Investment	$ 110,043
Unpaid Principal Balance	148,020
Related Allowance	16,165
Average Recorded Investment	113,697
Interest Income Recognized	$ 3,628
Net Recorded Investment of the Impaired Loans	63.00%
Bank Mutual
Loan and Lease Receivables, Impaired [Abstract]
Purchased credit-impaired loans	$ 2,000
Loans with a related allowance
Loan and Lease Receivables, Impaired [Abstract]
Recorded Investment	76,102
Unpaid Principal Balance	95,033
Related Allowance	16,165
Average Recorded Investment	77,235
Interest Income Recognized	3,012
Loans with no related allowance
Loan and Lease Receivables, Impaired [Abstract]
Recorded Investment	33,941
Unpaid Principal Balance	52,987
Related Allowance	0
Average Recorded Investment	36,462
Interest Income Recognized	616
Commercial and industrial
Loan and Lease Receivables, Impaired [Abstract]
Recorded Investment	62,035
Unpaid Principal Balance	96,784
Related Allowance	12,010
Average Recorded Investment	65,792
Interest Income Recognized	1,895
Commercial and industrial | Loans with a related allowance
Loan and Lease Receivables, Impaired [Abstract]
Recorded Investment	47,249
Unpaid Principal Balance	63,346
Related Allowance	12,010
Average Recorded Investment	45,290
Interest Income Recognized	1,832
Commercial and industrial | Loans with no related allowance
Loan and Lease Receivables, Impaired [Abstract]
Recorded Investment	14,787
Unpaid Principal Balance	33,438
Related Allowance	0
Average Recorded Investment	20,502
Interest Income Recognized	63
Commercial real estate — owner occupied
Loan and Lease Receivables, Impaired [Abstract]
Recorded Investment	1,676
Unpaid Principal Balance	1,682
Related Allowance	19
Average Recorded Investment	1,774
Interest Income Recognized	88
Commercial real estate — owner occupied | Loans with a related allowance
Loan and Lease Receivables, Impaired [Abstract]
Recorded Investment	1,676
Unpaid Principal Balance	1,682
Related Allowance	19
Average Recorded Investment	1,774
Interest Income Recognized	88
Commercial real estate — owner occupied | Loans with no related allowance
Loan and Lease Receivables, Impaired [Abstract]
Recorded Investment	0
Unpaid Principal Balance	0
Related Allowance	0
Average Recorded Investment	0
Interest Income Recognized	0
Commercial and business lending
Loan and Lease Receivables, Impaired [Abstract]
Recorded Investment	63,711
Unpaid Principal Balance	98,466
Related Allowance	12,029
Average Recorded Investment	67,566
Interest Income Recognized	1,982
Commercial and business lending | Loans with a related allowance
Loan and Lease Receivables, Impaired [Abstract]
Recorded Investment	48,924
Unpaid Principal Balance	65,028
Related Allowance	12,029
Average Recorded Investment	47,064
Interest Income Recognized	1,919
Commercial and business lending | Loans with no related allowance
Loan and Lease Receivables, Impaired [Abstract]
Recorded Investment	14,787
Unpaid Principal Balance	33,438
Related Allowance	0
Average Recorded Investment	20,502
Interest Income Recognized	63
Commercial real estate — investor
Loan and Lease Receivables, Impaired [Abstract]
Recorded Investment	4,633
Unpaid Principal Balance	5,808
Related Allowance	15
Average Recorded Investment	4,931
Interest Income Recognized	174
Commercial real estate — investor | Loans with a related allowance
Loan and Lease Receivables, Impaired [Abstract]
Recorded Investment	928
Unpaid Principal Balance	2,104
Related Allowance	15
Average Recorded Investment	950
Interest Income Recognized	15
Commercial real estate — investor | Loans with no related allowance
Loan and Lease Receivables, Impaired [Abstract]
Recorded Investment	3,705
Unpaid Principal Balance	3,705
Related Allowance	0
Average Recorded Investment	3,980
Interest Income Recognized	159
Real estate construction
Loan and Lease Receivables, Impaired [Abstract]
Recorded Investment	477
Unpaid Principal Balance	559
Related Allowance	67
Average Recorded Investment	494
Interest Income Recognized	30
Real estate construction | Loans with a related allowance
Loan and Lease Receivables, Impaired [Abstract]
Recorded Investment	477
Unpaid Principal Balance	559
Related Allowance	67
Average Recorded Investment	494
Interest Income Recognized	30
Real estate construction | Loans with no related allowance
Loan and Lease Receivables, Impaired [Abstract]
Recorded Investment	0
Unpaid Principal Balance	0
Related Allowance	0
Average Recorded Investment	0
Interest Income Recognized	0
Commercial real estate lending
Loan and Lease Receivables, Impaired [Abstract]
Recorded Investment	5,110
Unpaid Principal Balance	6,367
Related Allowance	82
Average Recorded Investment	5,425
Interest Income Recognized	204
Commercial real estate lending | Loans with a related allowance
Loan and Lease Receivables, Impaired [Abstract]
Recorded Investment	1,405
Unpaid Principal Balance	2,663
Related Allowance	82
Average Recorded Investment	1,445
Interest Income Recognized	45
Commercial real estate lending | Loans with no related allowance
Loan and Lease Receivables, Impaired [Abstract]
Recorded Investment	3,705
Unpaid Principal Balance	3,705
Related Allowance	0
Average Recorded Investment	3,980
Interest Income Recognized	159
Total commercial
Loan and Lease Receivables, Impaired [Abstract]
Recorded Investment	68,820
Unpaid Principal Balance	104,833
Related Allowance	12,111
Average Recorded Investment	72,991
Interest Income Recognized	2,186
Total commercial | Loans with a related allowance
Loan and Lease Receivables, Impaired [Abstract]
Recorded Investment	50,329
Unpaid Principal Balance	67,691
Related Allowance	12,111
Average Recorded Investment	48,509
Interest Income Recognized	1,965
Total commercial | Loans with no related allowance
Loan and Lease Receivables, Impaired [Abstract]
Recorded Investment	18,491
Unpaid Principal Balance	37,142
Related Allowance	0
Average Recorded Investment	24,482
Interest Income Recognized	222
Residential mortgage
Loan and Lease Receivables, Impaired [Abstract]
Recorded Investment	35,554
Unpaid Principal Balance	37,087
Related Allowance	2,740
Average Recorded Investment	34,683
Interest Income Recognized	1,229
Residential mortgage | Loans with a related allowance
Loan and Lease Receivables, Impaired [Abstract]
Recorded Investment	21,450
Unpaid Principal Balance	22,625
Related Allowance	2,740
Average Recorded Investment	23,721
Interest Income Recognized	856
Residential mortgage | Loans with no related allowance
Loan and Lease Receivables, Impaired [Abstract]
Recorded Investment	14,104
Unpaid Principal Balance	14,461
Related Allowance	0
Average Recorded Investment	10,962
Interest Income Recognized	373
Home equity
Loan and Lease Receivables, Impaired [Abstract]
Recorded Investment	4,422
Unpaid Principal Balance	4,851
Related Allowance	1,190
Average Recorded Investment	4,773
Interest Income Recognized	211
Home equity | Loans with a related allowance
Loan and Lease Receivables, Impaired [Abstract]
Recorded Investment	3,076
Unpaid Principal Balance	3,468
Related Allowance	1,190
Average Recorded Investment	3,756
Interest Income Recognized	191
Home equity | Loans with no related allowance
Loan and Lease Receivables, Impaired [Abstract]
Recorded Investment	1,346
Unpaid Principal Balance	1,383
Related Allowance	0
Average Recorded Investment	1,017
Interest Income Recognized	21
Other consumer
Loan and Lease Receivables, Impaired [Abstract]
Recorded Investment	1,247
Unpaid Principal Balance	1,249
Related Allowance	125
Average Recorded Investment	1,250
Interest Income Recognized	1
Other consumer | Loans with a related allowance
Loan and Lease Receivables, Impaired [Abstract]
Recorded Investment	1,247
Unpaid Principal Balance	1,249
Related Allowance	125
Average Recorded Investment	1,250
Interest Income Recognized	1
Other consumer | Loans with no related allowance
Loan and Lease Receivables, Impaired [Abstract]
Recorded Investment	0
Unpaid Principal Balance	0
Related Allowance	0
Average Recorded Investment	0
Interest Income Recognized	0
Total consumer
Loan and Lease Receivables, Impaired [Abstract]
Recorded Investment	41,223
Unpaid Principal Balance	43,187
Related Allowance	4,055
Average Recorded Investment	40,706
Interest Income Recognized	1,441
Total consumer | Loans with a related allowance
Loan and Lease Receivables, Impaired [Abstract]
Recorded Investment	25,773
Unpaid Principal Balance	27,342
Related Allowance	4,055
Average Recorded Investment	28,726
Interest Income Recognized	1,047
Total consumer | Loans with no related allowance
Loan and Lease Receivables, Impaired [Abstract]
Recorded Investment	15,450
Unpaid Principal Balance	15,845
Related Allowance	0
Average Recorded Investment	11,979
Interest Income Recognized	$ 394

XML

Loans, Troubled Debt Restructurings Performing and Nonaccrual (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Financing Receivable, Troubled Debt Restructuring [Line Items]
Performing Restructured Loans	$ 25,303	$ 26,041
Nonaccrual Restructured Loans(a)	25,362	22,494
PPP
Financing Receivable, Troubled Debt Restructuring [Line Items]
Performing Restructured Loans	0	0
Nonaccrual Restructured Loans(a)	0	0
Commercial and industrial
Financing Receivable, Troubled Debt Restructuring [Line Items]
Performing Restructured Loans	16,321	16,678
Nonaccrual Restructured Loans(a)	7,968	7,376
Commercial real estate — owner occupied
Financing Receivable, Troubled Debt Restructuring [Line Items]
Performing Restructured Loans	1,441	1,676
Nonaccrual Restructured Loans(a)	0	0
Commercial real estate — investor
Financing Receivable, Troubled Debt Restructuring [Line Items]
Performing Restructured Loans	114	293
Nonaccrual Restructured Loans(a)	395	0
Real estate construction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Performing Restructured Loans	313	298
Nonaccrual Restructured Loans(a)	173	179
Residential mortgage
Financing Receivable, Troubled Debt Restructuring [Line Items]
Performing Restructured Loans	4,178	3,955
Nonaccrual Restructured Loans(a)	15,401	13,035
Home equity
Financing Receivable, Troubled Debt Restructuring [Line Items]
Performing Restructured Loans	1,717	1,896
Nonaccrual Restructured Loans(a)	1,424	1,904
Other consumer
Financing Receivable, Troubled Debt Restructuring [Line Items]
Performing Restructured Loans	1,219	1,246
Nonaccrual Restructured Loans(a)	$ 0	$ 1

XML

Loans, Loans Modified in a Troubled Debt Restructuring (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2020 USD ($) loan	Jun. 30, 2019 USD ($) loan
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Loans | loan	44	58
Recorded Investment(a)	$ 7,531	$ 6,370
Unpaid Principal Balance(b)	$ 8,986	$ 6,394
PPP
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Loans | loan	0	0
Recorded Investment(a)	$ 0	$ 0
Unpaid Principal Balance(b)	$ 0	$ 0
Commercial and industrial
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Loans | loan	2	1
Recorded Investment(a)	$ 1,112	$ 196
Unpaid Principal Balance(b)	$ 1,140	$ 196
Commercial real estate — owner occupied
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Loans | loan	1	0
Recorded Investment(a)	$ 288	$ 0
Unpaid Principal Balance(b)	$ 319	$ 0
Commercial real estate — investor
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Loans | loan	1	0
Recorded Investment(a)	$ 395	$ 0
Unpaid Principal Balance(b)	$ 1,705	$ 0
Real estate construction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Loans | loan	1	0
Recorded Investment(a)	$ 102	$ 0
Unpaid Principal Balance(b)	$ 102	$ 0
Residential mortgage
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Loans | loan	24	38
Recorded Investment(a)	$ 5,163	$ 5,665
Unpaid Principal Balance(b)	$ 5,237	$ 5,682
Home equity
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Loans | loan	15	18
Recorded Investment(a)	$ 471	$ 499
Unpaid Principal Balance(b)	$ 483	$ 506
Other consumer
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Loans | loan	0	1
Recorded Investment(a)	$ 0	$ 10
Unpaid Principal Balance(b)	$ 0	$ 10

XML

Loans, Troubled Debt Restructurings Subsequent Default (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2020 USD ($) loan	Jun. 30, 2019 USD ($) loan
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Loans | loan	9	30
Recorded Investment | $	$ 1,244	$ 3,290
Residential mortgage
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Loans | loan	5	16
Recorded Investment | $	$ 1,036	$ 2,813
Home equity
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Loans | loan	4	14
Recorded Investment | $	$ 208	$ 477

XML

Loans, Changes in the Allowance for Loan Losses by Portfolio Segment (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019	Jun. 30, 2020	Jan. 01, 2020	Dec. 31, 2019
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period			$ 201,371
Allowance for Loan Losses			201,371		$ 201,371			$ 201,371
Net Charge offs					(55,152)
Balance at end of period					201,371
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Balance at beginning of period			21,907
Allowance for Unfunded Commitments	$ 64,776		64,776		21,907	$ 64,776		21,907
Provision for loan losses			24,000
Balance at end of period	64,776		64,776		21,907
Allowance for credit losses on loans
Net Charge offs					(55,152)
Provision for credit losses	61,000	$ 8,000	114,001	$ 14,000
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of period			201,371	238,023	238,023
Charge offs					(74,313)
Recoveries					19,161
Net Charge offs					(55,152)
Provision for loan losses					18,500
Balance at end of period	363,803		363,803		201,371
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract]
Individually evaluated								16,165
Collectively evaluated								185,205
Total allowance for loan losses	363,803		201,371	238,023	238,023	363,803		201,371
Loans [Abstract]
Individually evaluated								110,043
Collectively evaluated								22,709,845
Financing Receivable Acquired and Accounted under Modification of Impaired Loans								1,552
Loans and Leases Receivable, Net of Deferred Income, Total						24,832,671		22,821,440
Cumulative Effect, Period Of Adoption, Adjustment
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for Loan Losses							$ 131,147
Cumulative Effect, Period Of Adoption, Adjusted Balance
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for Loan Losses							354,425
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Allowance for Unfunded Commitments							40,597
First Staunton Bancshares [Member]
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Provision for loan losses			179
Accounting Standards Update 2016-13 | Cumulative Effect, Period Of Adoption, Adjustment
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Allowance for Unfunded Commitments							18,690
PPP
Loans [Abstract]
Loans and Leases Receivable, Net of Deferred Income, Total						1,012,033		0
Commercial and industrial
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Net Charge offs					(51,441)
Allowance for credit losses on loans
Net Charge offs					(51,441)
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of period			91,133	108,835	108,835
Charge offs					(63,315)
Recoveries					11,875
Net Charge offs					(51,441)
Provision for loan losses					33,738
Balance at end of period					91,133
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract]
Individually evaluated								12,010
Collectively evaluated								79,123
Total allowance for loan losses			91,133	108,835	91,133			91,133
Loans [Abstract]
Individually evaluated								62,035
Collectively evaluated								7,292,217
Financing Receivable Acquired and Accounted under Modification of Impaired Loans								342
Loans and Leases Receivable, Net of Deferred Income, Total						7,968,709		7,354,594
Commercial real estate — owner occupied
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Net Charge offs					2,573
Allowance for credit losses on loans
Net Charge offs					2,573
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of period			10,284	9,255	9,255
Charge offs					(222)
Recoveries					2,795
Net Charge offs					2,573
Provision for loan losses					(1,543)
Balance at end of period					10,284
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract]
Individually evaluated								19
Collectively evaluated								10,265
Total allowance for loan losses			10,284	9,255	10,284			10,284
Loans [Abstract]
Individually evaluated								1,676
Collectively evaluated								909,010
Financing Receivable Acquired and Accounted under Modification of Impaired Loans								579
Loans and Leases Receivable, Net of Deferred Income, Total						914,385		911,265
Commercial and business lending
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Net Charge offs					(48,868)
Allowance for credit losses on loans
Net Charge offs					(48,868)
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of period			101,417	118,090	118,090
Charge offs					(63,537)
Recoveries					14,670
Net Charge offs					(48,868)
Provision for loan losses					32,195
Balance at end of period					101,417
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract]
Individually evaluated								12,029
Collectively evaluated								89,388
Total allowance for loan losses			101,417	118,090	101,417			101,417
Loans [Abstract]
Individually evaluated								63,711
Collectively evaluated								8,201,227
Financing Receivable Acquired and Accounted under Modification of Impaired Loans								921
Loans and Leases Receivable, Net of Deferred Income, Total						9,895,127		8,265,858
Commercial real estate — investor
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Net Charge offs					31
Allowance for credit losses on loans
Net Charge offs					31
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of period			40,514	40,844	40,844
Charge offs					0
Recoveries					31
Net Charge offs					31
Provision for loan losses					(361)
Balance at end of period					40,514
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract]
Individually evaluated								15
Collectively evaluated								40,498
Total allowance for loan losses			40,514	40,844	40,514			40,514
Loans [Abstract]
Individually evaluated								4,633
Collectively evaluated								3,789,755
Financing Receivable Acquired and Accounted under Modification of Impaired Loans								129
Loans and Leases Receivable, Net of Deferred Income, Total						4,174,125		3,794,517
Real estate construction
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Net Charge offs					243
Allowance for credit losses on loans
Net Charge offs					243
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of period			24,915	28,240	28,240
Charge offs					(60)
Recoveries					302
Net Charge offs					243
Provision for loan losses					(3,568)
Balance at end of period					24,915
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract]
Individually evaluated								67
Collectively evaluated								24,848
Total allowance for loan losses			24,915	28,240	24,915			24,915
Loans [Abstract]
Individually evaluated								477
Collectively evaluated								1,420,416
Financing Receivable Acquired and Accounted under Modification of Impaired Loans								7
Loans and Leases Receivable, Net of Deferred Income, Total						1,708,189		1,420,900
Commercial real estate lending
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Net Charge offs					274
Allowance for credit losses on loans
Net Charge offs					274
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of period			65,429	69,084	69,084
Charge offs					(60)
Recoveries					333
Net Charge offs					274
Provision for loan losses					(3,929)
Balance at end of period					65,429
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract]
Individually evaluated								82
Collectively evaluated								65,346
Total allowance for loan losses			65,429	69,084	65,429			65,429
Loans [Abstract]
Individually evaluated								5,110
Collectively evaluated								5,210,171
Financing Receivable Acquired and Accounted under Modification of Impaired Loans								136
Loans and Leases Receivable, Net of Deferred Income, Total						5,882,314		5,215,417
Total commercial
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Net Charge offs					(48,594)
Allowance for credit losses on loans
Net Charge offs					(48,594)
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of period			166,846	187,174	187,174
Charge offs					(63,597)
Recoveries					15,003
Net Charge offs					(48,594)
Provision for loan losses					28,266
Balance at end of period					166,846
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract]
Individually evaluated								12,111
Collectively evaluated								154,734
Total allowance for loan losses			166,846	187,174	166,846			166,846
Loans [Abstract]
Individually evaluated								68,821
Collectively evaluated								13,411,398
Financing Receivable Acquired and Accounted under Modification of Impaired Loans								1,057
Loans and Leases Receivable, Net of Deferred Income, Total						15,777,441		13,481,275
Residential mortgage
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Net Charge offs					(2,630)
Allowance for credit losses on loans
Net Charge offs					(2,630)
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of period			16,960	25,595	25,595
Charge offs					(3,322)
Recoveries					692
Net Charge offs					(2,630)
Provision for loan losses					(6,005)
Balance at end of period					16,960
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract]
Individually evaluated								2,740
Collectively evaluated								14,220
Total allowance for loan losses			16,960	25,595	16,960			16,960
Loans [Abstract]
Individually evaluated								35,554
Collectively evaluated								8,100,958
Financing Receivable Acquired and Accounted under Modification of Impaired Loans								469
Loans and Leases Receivable, Net of Deferred Income, Total								8,136,980
Home equity
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Net Charge offs					753
Allowance for credit losses on loans
Net Charge offs					753
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of period			10,926	19,266	19,266
Charge offs					(1,846)
Recoveries					2,599
Net Charge offs					753
Provision for loan losses					(9,093)
Balance at end of period					10,926
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract]
Individually evaluated								1,190
Collectively evaluated								9,737
Total allowance for loan losses			10,926	19,266	10,926			10,926
Loans [Abstract]
Individually evaluated								4,422
Collectively evaluated								847,577
Financing Receivable Acquired and Accounted under Modification of Impaired Loans								26
Loans and Leases Receivable, Net of Deferred Income, Total						795,671		852,025
Other consumer
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Net Charge offs					(4,681)
Allowance for credit losses on loans
Net Charge offs					(4,681)
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of period			6,639	5,988	5,988
Charge offs					(5,548)
Recoveries					868
Net Charge offs					(4,681)
Provision for loan losses					5,332
Balance at end of period					6,639
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract]
Individually evaluated								125
Collectively evaluated								6,514
Total allowance for loan losses			6,639	5,988	6,639			6,639
Loans [Abstract]
Individually evaluated								1,247
Collectively evaluated								349,912
Financing Receivable Acquired and Accounted under Modification of Impaired Loans								0
Loans and Leases Receivable, Net of Deferred Income, Total								351,159
Total consumer
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Net Charge offs					(6,558)
Allowance for credit losses on loans
Net Charge offs					(6,558)
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of period			34,525	50,849	50,849
Charge offs					(10,716)
Recoveries					4,159
Net Charge offs					(6,558)
Provision for loan losses					(9,766)
Balance at end of period					34,525
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract]
Individually evaluated								4,055
Collectively evaluated								30,471
Total allowance for loan losses			34,525	$ 50,849	34,525			34,525
Loans [Abstract]
Individually evaluated								41,223
Collectively evaluated								9,298,447
Financing Receivable Acquired and Accounted under Modification of Impaired Loans								495
Loans and Leases Receivable, Net of Deferred Income, Total						9,055,230		9,340,164
Allowance for Loan Losses [Member]
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period			201,371
Allowance for Loan Losses	363,803		363,803		201,371	363,803		201,371
Charge offs			(47,659)
Recoveries			4,129
Net Charge offs			(43,530)
Gross up of allowance for PCD loans at acquisition			3,504
Provision for loan losses			87,457
Balance at end of period	363,803		363,803		201,371
Allowance for credit losses on loans
Charge offs			(47,659)
Recoveries			4,129
Net Charge offs			(43,530)
Gross up of allowance for PCD loans at acquisition			3,504
Allowance for Loan and Lease Losses [Roll Forward]
Net Charge offs			(43,530)
Allowance for Loan Losses [Member] | Cumulative Effect, Period Of Adoption, Adjusted Balance
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for Loan Losses							313,828
Allowance for Loan Losses [Member] | First Staunton Bancshares [Member]
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Provision for loan losses			2,543
Allowance for Loan Losses [Member] | Accounting Standards Update 2016-13 | Cumulative Effect, Period Of Adoption, Adjustment
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for Loan Losses							112,457
Allowance for Loan Losses [Member] | PPP
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period			0
Allowance for Loan Losses	808		808		0	808		0
Charge offs			0
Recoveries			0
Net Charge offs			0
Gross up of allowance for PCD loans at acquisition			0
Provision for loan losses			808
Balance at end of period	808		808		0
Allowance for credit losses on loans
Charge offs			0
Recoveries			0
Net Charge offs			0
Gross up of allowance for PCD loans at acquisition			0
Allowance for Loan and Lease Losses [Roll Forward]
Net Charge offs			0
Allowance for Loan Losses [Member] | PPP | Cumulative Effect, Period Of Adoption, Adjusted Balance
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for Loan Losses							0
Allowance for Loan Losses [Member] | PPP | First Staunton Bancshares [Member]
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Provision for loan losses			0
Allowance for Loan Losses [Member] | PPP | Accounting Standards Update 2016-13 | Cumulative Effect, Period Of Adoption, Adjustment
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for Loan Losses							0
Allowance for Loan Losses [Member] | Commercial and industrial
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period			91,133
Allowance for Loan Losses	175,553		175,553		91,133	175,553		91,133
Charge offs			(42,183)
Recoveries			2,215
Net Charge offs			(39,968)
Gross up of allowance for PCD loans at acquisition			293
Provision for loan losses			70,767
Balance at end of period	175,553		175,553		91,133
Allowance for credit losses on loans
Charge offs			(42,183)
Recoveries			2,215
Net Charge offs			(39,968)
Gross up of allowance for PCD loans at acquisition			293
Allowance for Loan and Lease Losses [Roll Forward]
Net Charge offs			(39,968)
Allowance for Loan Losses [Member] | Commercial and industrial | Cumulative Effect, Period Of Adoption, Adjusted Balance
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for Loan Losses							144,052
Allowance for Loan Losses [Member] | Commercial and industrial | First Staunton Bancshares [Member]
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Provision for loan losses			408
Allowance for Loan Losses [Member] | Commercial and industrial | Accounting Standards Update 2016-13 | Cumulative Effect, Period Of Adoption, Adjustment
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for Loan Losses							52,919
Allowance for Loan Losses [Member] | Commercial real estate — owner occupied
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period			10,284
Allowance for Loan Losses	10,315		10,315		10,284	10,315		10,284
Charge offs			0
Recoveries			1
Net Charge offs			1
Gross up of allowance for PCD loans at acquisition			890
Provision for loan losses			736
Balance at end of period	10,315		10,315		10,284
Allowance for credit losses on loans
Charge offs			0
Recoveries			1
Net Charge offs			1
Gross up of allowance for PCD loans at acquisition			890
Allowance for Loan and Lease Losses [Roll Forward]
Net Charge offs			1
Allowance for Loan Losses [Member] | Commercial real estate — owner occupied | Cumulative Effect, Period Of Adoption, Adjusted Balance
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for Loan Losses							8,433
Allowance for Loan Losses [Member] | Commercial real estate — owner occupied | First Staunton Bancshares [Member]
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Provision for loan losses			255
Allowance for Loan Losses [Member] | Commercial real estate — owner occupied | Accounting Standards Update 2016-13 | Cumulative Effect, Period Of Adoption, Adjustment
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for Loan Losses							(1,851)
Allowance for Loan Losses [Member] | Commercial and business lending
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period			101,417
Allowance for Loan Losses	186,676		186,676		101,417	186,676		101,417
Charge offs			(42,183)
Recoveries			2,216
Net Charge offs			(39,967)
Gross up of allowance for PCD loans at acquisition			1,183
Provision for loan losses			72,311
Balance at end of period	186,676		186,676		101,417
Allowance for credit losses on loans
Charge offs			(42,183)
Recoveries			2,216
Net Charge offs			(39,967)
Gross up of allowance for PCD loans at acquisition			1,183
Allowance for Loan and Lease Losses [Roll Forward]
Net Charge offs			(39,967)
Allowance for Loan Losses [Member] | Commercial and business lending | Cumulative Effect, Period Of Adoption, Adjusted Balance
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for Loan Losses							152,485
Allowance for Loan Losses [Member] | Commercial and business lending | First Staunton Bancshares [Member]
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Provision for loan losses			663
Allowance for Loan Losses [Member] | Commercial and business lending | Accounting Standards Update 2016-13 | Cumulative Effect, Period Of Adoption, Adjustment
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for Loan Losses							51,068
Allowance for Loan Losses [Member] | Commercial real estate — investor
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period			40,514
Allowance for Loan Losses	58,520		58,520		40,514	58,520		40,514
Charge offs			(140)
Recoveries			168
Net Charge offs			28
Gross up of allowance for PCD loans at acquisition			753
Provision for loan losses			14,713
Balance at end of period	58,520		58,520		40,514
Allowance for credit losses on loans
Charge offs			(140)
Recoveries			168
Net Charge offs			28
Gross up of allowance for PCD loans at acquisition			753
Allowance for Loan and Lease Losses [Roll Forward]
Net Charge offs			28
Allowance for Loan Losses [Member] | Commercial real estate — investor | Cumulative Effect, Period Of Adoption, Adjusted Balance
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for Loan Losses							42,555
Allowance for Loan Losses [Member] | Commercial real estate — investor | First Staunton Bancshares [Member]
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Provision for loan losses			472
Allowance for Loan Losses [Member] | Commercial real estate — investor | Accounting Standards Update 2016-13 | Cumulative Effect, Period Of Adoption, Adjustment
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for Loan Losses							2,041
Allowance for Loan Losses [Member] | Real estate construction
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period			24,915
Allowance for Loan Losses	38,393		38,393		24,915	38,393		24,915
Charge offs			(19)
Recoveries			27
Net Charge offs			8
Gross up of allowance for PCD loans at acquisition			435
Provision for loan losses			5,076
Balance at end of period	38,393		38,393		24,915
Allowance for credit losses on loans
Charge offs			(19)
Recoveries			27
Net Charge offs			8
Gross up of allowance for PCD loans at acquisition			435
Allowance for Loan and Lease Losses [Roll Forward]
Net Charge offs			8
Allowance for Loan Losses [Member] | Real estate construction | Cumulative Effect, Period Of Adoption, Adjusted Balance
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for Loan Losses							32,382
Allowance for Loan Losses [Member] | Real estate construction | First Staunton Bancshares [Member]
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Provision for loan losses			492
Allowance for Loan Losses [Member] | Real estate construction | Accounting Standards Update 2016-13 | Cumulative Effect, Period Of Adoption, Adjustment
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for Loan Losses							7,467
Allowance for Loan Losses [Member] | Commercial real estate lending
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period			65,428
Allowance for Loan Losses	96,913		96,913		65,428	96,913		65,428
Charge offs			(159)
Recoveries			195
Net Charge offs			36
Gross up of allowance for PCD loans at acquisition			1,188
Provision for loan losses			19,789
Balance at end of period	96,913		96,913		65,428
Allowance for credit losses on loans
Charge offs			(159)
Recoveries			195
Net Charge offs			36
Gross up of allowance for PCD loans at acquisition			1,188
Allowance for Loan and Lease Losses [Roll Forward]
Net Charge offs			36
Allowance for Loan Losses [Member] | Commercial real estate lending | Cumulative Effect, Period Of Adoption, Adjusted Balance
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for Loan Losses							74,937
Allowance for Loan Losses [Member] | Commercial real estate lending | First Staunton Bancshares [Member]
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Provision for loan losses			964
Allowance for Loan Losses [Member] | Commercial real estate lending | Accounting Standards Update 2016-13 | Cumulative Effect, Period Of Adoption, Adjustment
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for Loan Losses							9,508
Allowance for Loan Losses [Member] | Total commercial
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period			166,846
Allowance for Loan Losses	283,590		283,590		166,846	283,590		166,846
Charge offs			(42,342)
Recoveries			2,412
Net Charge offs			(39,931)
Gross up of allowance for PCD loans at acquisition			2,371
Provision for loan losses			92,101
Balance at end of period	283,590		283,590		166,846
Allowance for credit losses on loans
Charge offs			(42,342)
Recoveries			2,412
Net Charge offs			(39,931)
Gross up of allowance for PCD loans at acquisition			2,371
Allowance for Loan and Lease Losses [Roll Forward]
Net Charge offs			(39,931)
Allowance for Loan Losses [Member] | Total commercial | Cumulative Effect, Period Of Adoption, Adjusted Balance
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for Loan Losses							227,422
Allowance for Loan Losses [Member] | Total commercial | First Staunton Bancshares [Member]
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Provision for loan losses			1,627
Allowance for Loan Losses [Member] | Total commercial | Accounting Standards Update 2016-13 | Cumulative Effect, Period Of Adoption, Adjustment
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for Loan Losses							60,576
Allowance for Loan Losses [Member] | Residential mortgage
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period			16,960
Allowance for Loan Losses	43,825		43,825		16,960	43,825		16,960
Charge offs			(1,301)
Recoveries			174
Net Charge offs			(1,127)
Gross up of allowance for PCD loans at acquisition			651
Provision for loan losses			(6,276)
Balance at end of period	43,825		43,825		16,960
Allowance for credit losses on loans
Charge offs			(1,301)
Recoveries			174
Net Charge offs			(1,127)
Gross up of allowance for PCD loans at acquisition			651
Allowance for Loan and Lease Losses [Roll Forward]
Net Charge offs			(1,127)
Allowance for Loan Losses [Member] | Residential mortgage | Cumulative Effect, Period Of Adoption, Adjusted Balance
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for Loan Losses							50,175
Allowance for Loan Losses [Member] | Residential mortgage | First Staunton Bancshares [Member]
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Provision for loan losses			403
Allowance for Loan Losses [Member] | Residential mortgage | Accounting Standards Update 2016-13 | Cumulative Effect, Period Of Adoption, Adjustment
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for Loan Losses							33,215
Allowance for Loan Losses [Member] | Home equity
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period			10,926
Allowance for Loan Losses	21,462		21,462		10,926	21,462		10,926
Charge offs			(1,213)
Recoveries			981
Net Charge offs			(232)
Gross up of allowance for PCD loans at acquisition			422
Provision for loan losses			(1,677)
Balance at end of period	21,462		21,462		10,926
Allowance for credit losses on loans
Charge offs			(1,213)
Recoveries			981
Net Charge offs			(232)
Gross up of allowance for PCD loans at acquisition			422
Allowance for Loan and Lease Losses [Roll Forward]
Net Charge offs			(232)
Allowance for Loan Losses [Member] | Home equity | Cumulative Effect, Period Of Adoption, Adjusted Balance
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for Loan Losses							22,575
Allowance for Loan Losses [Member] | Home equity | First Staunton Bancshares [Member]
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Provision for loan losses			374
Allowance for Loan Losses [Member] | Home equity | Accounting Standards Update 2016-13 | Cumulative Effect, Period Of Adoption, Adjustment
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for Loan Losses							11,649
Allowance for Loan Losses [Member] | Other consumer
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period			6,639
Allowance for Loan Losses	14,926		14,926		6,639	14,926		6,639
Charge offs			(2,802)
Recoveries			562
Net Charge offs			(2,240)
Gross up of allowance for PCD loans at acquisition			61
Provision for loan losses			3,309
Balance at end of period	14,926		14,926		6,639
Allowance for credit losses on loans
Charge offs			(2,802)
Recoveries			562
Net Charge offs			(2,240)
Gross up of allowance for PCD loans at acquisition			61
Allowance for Loan and Lease Losses [Roll Forward]
Net Charge offs			(2,240)
Allowance for Loan Losses [Member] | Other consumer | Cumulative Effect, Period Of Adoption, Adjusted Balance
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for Loan Losses							13,655
Allowance for Loan Losses [Member] | Other consumer | First Staunton Bancshares [Member]
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Provision for loan losses			140
Allowance for Loan Losses [Member] | Other consumer | Accounting Standards Update 2016-13 | Cumulative Effect, Period Of Adoption, Adjustment
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for Loan Losses							7,016
Allowance for Loan Losses [Member] | Total consumer
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period			34,525
Allowance for Loan Losses	80,213		80,213		34,525	80,213		34,525
Charge offs			(5,316)
Recoveries			1,717
Net Charge offs			(3,599)
Gross up of allowance for PCD loans at acquisition			1,134
Provision for loan losses			(4,644)
Balance at end of period	80,213		80,213		34,525
Allowance for credit losses on loans
Charge offs			(5,316)
Recoveries			1,717
Net Charge offs			(3,599)
Gross up of allowance for PCD loans at acquisition			1,134
Allowance for Loan and Lease Losses [Roll Forward]
Net Charge offs			(3,599)
Allowance for Loan Losses [Member] | Total consumer | Cumulative Effect, Period Of Adoption, Adjusted Balance
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for Loan Losses							86,405
Allowance for Loan Losses [Member] | Total consumer | First Staunton Bancshares [Member]
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Provision for loan losses			917
Allowance for Loan Losses [Member] | Total consumer | Accounting Standards Update 2016-13 | Cumulative Effect, Period Of Adoption, Adjustment
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for Loan Losses							51,880
SEC Schedule, 12-09, Reserve, Off-balance Sheet Activity [Member]
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Balance at beginning of period			21,907
Allowance for Unfunded Commitments	64,776		64,776		21,907	64,776		21,907
Provision for loan losses			24,000
Balance at end of period	64,776		64,776		21,907
SEC Schedule, 12-09, Reserve, Off-balance Sheet Activity [Member] | Cumulative Effect, Period Of Adoption, Adjusted Balance
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Allowance for Unfunded Commitments							40,597
SEC Schedule, 12-09, Reserve, Off-balance Sheet Activity [Member] | First Staunton Bancshares [Member]
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Provision for loan losses			179
SEC Schedule, 12-09, Reserve, Off-balance Sheet Activity [Member] | Accounting Standards Update 2016-13 | Cumulative Effect, Period Of Adoption, Adjustment
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Allowance for Unfunded Commitments							18,690
SEC Schedule, 12-09, Reserve, Off-balance Sheet Activity [Member] | PPP
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Balance at beginning of period			0
Allowance for Unfunded Commitments	0		0		0	0		0
Provision for loan losses			0
Balance at end of period	0		0		0
SEC Schedule, 12-09, Reserve, Off-balance Sheet Activity [Member] | PPP | Cumulative Effect, Period Of Adoption, Adjusted Balance
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Allowance for Unfunded Commitments							0
SEC Schedule, 12-09, Reserve, Off-balance Sheet Activity [Member] | PPP | First Staunton Bancshares [Member]
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Provision for loan losses			0
SEC Schedule, 12-09, Reserve, Off-balance Sheet Activity [Member] | PPP | Accounting Standards Update 2016-13 | Cumulative Effect, Period Of Adoption, Adjustment
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Allowance for Unfunded Commitments							0
SEC Schedule, 12-09, Reserve, Off-balance Sheet Activity [Member] | Commercial and industrial
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Balance at beginning of period			12,276
Allowance for Unfunded Commitments	19,601		19,601		12,276	19,601		12,276
Provision for loan losses			11,261
Balance at end of period	19,601		19,601		12,276
SEC Schedule, 12-09, Reserve, Off-balance Sheet Activity [Member] | Commercial and industrial | Cumulative Effect, Period Of Adoption, Adjusted Balance
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Allowance for Unfunded Commitments							8,278
SEC Schedule, 12-09, Reserve, Off-balance Sheet Activity [Member] | Commercial and industrial | First Staunton Bancshares [Member]
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Provision for loan losses			61
SEC Schedule, 12-09, Reserve, Off-balance Sheet Activity [Member] | Commercial and industrial | Accounting Standards Update 2016-13 | Cumulative Effect, Period Of Adoption, Adjustment
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Allowance for Unfunded Commitments							(3,998)
SEC Schedule, 12-09, Reserve, Off-balance Sheet Activity [Member] | Commercial real estate — owner occupied
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Balance at beginning of period			127
Allowance for Unfunded Commitments	224		224		127	224		127
Provision for loan losses			93
Balance at end of period	224		224		127
SEC Schedule, 12-09, Reserve, Off-balance Sheet Activity [Member] | Commercial real estate — owner occupied | Cumulative Effect, Period Of Adoption, Adjusted Balance
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Allowance for Unfunded Commitments							127
SEC Schedule, 12-09, Reserve, Off-balance Sheet Activity [Member] | Commercial real estate — owner occupied | First Staunton Bancshares [Member]
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Provision for loan losses			4
SEC Schedule, 12-09, Reserve, Off-balance Sheet Activity [Member] | Commercial real estate — owner occupied | Accounting Standards Update 2016-13 | Cumulative Effect, Period Of Adoption, Adjustment
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Allowance for Unfunded Commitments							0
SEC Schedule, 12-09, Reserve, Off-balance Sheet Activity [Member] | Commercial and business lending
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Balance at beginning of period			12,403
Allowance for Unfunded Commitments	19,824		19,824		12,403	19,824		12,403
Provision for loan losses			11,354
Balance at end of period	19,824		19,824		12,403
SEC Schedule, 12-09, Reserve, Off-balance Sheet Activity [Member] | Commercial and business lending | Cumulative Effect, Period Of Adoption, Adjusted Balance
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Allowance for Unfunded Commitments							8,405
SEC Schedule, 12-09, Reserve, Off-balance Sheet Activity [Member] | Commercial and business lending | First Staunton Bancshares [Member]
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Provision for loan losses			65
SEC Schedule, 12-09, Reserve, Off-balance Sheet Activity [Member] | Commercial and business lending | Accounting Standards Update 2016-13 | Cumulative Effect, Period Of Adoption, Adjustment
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Allowance for Unfunded Commitments							(3,998)
SEC Schedule, 12-09, Reserve, Off-balance Sheet Activity [Member] | Commercial real estate — investor
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Balance at beginning of period			530
Allowance for Unfunded Commitments	550		550		530	550		530
Provision for loan losses			(227)
Balance at end of period	550		550		530
SEC Schedule, 12-09, Reserve, Off-balance Sheet Activity [Member] | Commercial real estate — investor | Cumulative Effect, Period Of Adoption, Adjusted Balance
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Allowance for Unfunded Commitments							776
SEC Schedule, 12-09, Reserve, Off-balance Sheet Activity [Member] | Commercial real estate — investor | First Staunton Bancshares [Member]
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Provision for loan losses			2
SEC Schedule, 12-09, Reserve, Off-balance Sheet Activity [Member] | Commercial real estate — investor | Accounting Standards Update 2016-13 | Cumulative Effect, Period Of Adoption, Adjustment
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Allowance for Unfunded Commitments							246
SEC Schedule, 12-09, Reserve, Off-balance Sheet Activity [Member] | Real estate construction
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Balance at beginning of period			7,532
Allowance for Unfunded Commitments	37,880		37,880		7,532	37,880		7,532
Provision for loan losses			11,956
Balance at end of period	37,880		37,880		7,532
SEC Schedule, 12-09, Reserve, Off-balance Sheet Activity [Member] | Real estate construction | Cumulative Effect, Period Of Adoption, Adjusted Balance
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Allowance for Unfunded Commitments							25,879
SEC Schedule, 12-09, Reserve, Off-balance Sheet Activity [Member] | Real estate construction | First Staunton Bancshares [Member]
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Provision for loan losses			45
SEC Schedule, 12-09, Reserve, Off-balance Sheet Activity [Member] | Real estate construction | Accounting Standards Update 2016-13 | Cumulative Effect, Period Of Adoption, Adjustment
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Allowance for Unfunded Commitments							18,347
SEC Schedule, 12-09, Reserve, Off-balance Sheet Activity [Member] | Commercial real estate lending
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Balance at beginning of period			8,062
Allowance for Unfunded Commitments	38,430		38,430		8,062	38,430		8,062
Provision for loan losses			11,729
Balance at end of period	38,430		38,430		8,062
SEC Schedule, 12-09, Reserve, Off-balance Sheet Activity [Member] | Commercial real estate lending | Cumulative Effect, Period Of Adoption, Adjusted Balance
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Allowance for Unfunded Commitments							26,655
SEC Schedule, 12-09, Reserve, Off-balance Sheet Activity [Member] | Commercial real estate lending | First Staunton Bancshares [Member]
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Provision for loan losses			47
SEC Schedule, 12-09, Reserve, Off-balance Sheet Activity [Member] | Commercial real estate lending | Accounting Standards Update 2016-13 | Cumulative Effect, Period Of Adoption, Adjustment
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Allowance for Unfunded Commitments							18,593
SEC Schedule, 12-09, Reserve, Off-balance Sheet Activity [Member] | Total commercial
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Balance at beginning of period			20,465
Allowance for Unfunded Commitments	58,256		58,256		20,465	58,256		20,465
Provision for loan losses			23,084
Balance at end of period	58,256		58,256		20,465
SEC Schedule, 12-09, Reserve, Off-balance Sheet Activity [Member] | Total commercial | Cumulative Effect, Period Of Adoption, Adjusted Balance
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Allowance for Unfunded Commitments							35,060
SEC Schedule, 12-09, Reserve, Off-balance Sheet Activity [Member] | Total commercial | First Staunton Bancshares [Member]
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Provision for loan losses			112
SEC Schedule, 12-09, Reserve, Off-balance Sheet Activity [Member] | Total commercial | Accounting Standards Update 2016-13 | Cumulative Effect, Period Of Adoption, Adjustment
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Allowance for Unfunded Commitments							14,595
SEC Schedule, 12-09, Reserve, Off-balance Sheet Activity [Member] | Home equity
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Balance at beginning of period			1,038
Allowance for Unfunded Commitments	3,846		3,846		1,038	3,846		1,038
Provision for loan losses			152
Balance at end of period	3,846		3,846		1,038
SEC Schedule, 12-09, Reserve, Off-balance Sheet Activity [Member] | Home equity | Cumulative Effect, Period Of Adoption, Adjusted Balance
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Allowance for Unfunded Commitments							3,629
SEC Schedule, 12-09, Reserve, Off-balance Sheet Activity [Member] | Home equity | First Staunton Bancshares [Member]
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Provision for loan losses			66
SEC Schedule, 12-09, Reserve, Off-balance Sheet Activity [Member] | Home equity | Accounting Standards Update 2016-13 | Cumulative Effect, Period Of Adoption, Adjustment
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Allowance for Unfunded Commitments							2,591
SEC Schedule, 12-09, Reserve, Off-balance Sheet Activity [Member] | Other consumer
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Balance at beginning of period			405
Allowance for Unfunded Commitments	2,675		2,675		405	2,675		405
Provision for loan losses			766
Balance at end of period	2,675		2,675		405
SEC Schedule, 12-09, Reserve, Off-balance Sheet Activity [Member] | Other consumer | Cumulative Effect, Period Of Adoption, Adjusted Balance
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Allowance for Unfunded Commitments							1,909
SEC Schedule, 12-09, Reserve, Off-balance Sheet Activity [Member] | Other consumer | First Staunton Bancshares [Member]
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Provision for loan losses			0
SEC Schedule, 12-09, Reserve, Off-balance Sheet Activity [Member] | Other consumer | Accounting Standards Update 2016-13 | Cumulative Effect, Period Of Adoption, Adjustment
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Allowance for Unfunded Commitments							1,504
SEC Schedule, 12-09, Reserve, Off-balance Sheet Activity [Member] | Total consumer
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Balance at beginning of period			1,443
Allowance for Unfunded Commitments	6,522		6,522		1,443	6,522		1,443
Provision for loan losses			917
Balance at end of period	6,522		6,522		1,443
SEC Schedule, 12-09, Reserve, Off-balance Sheet Activity [Member] | Total consumer | Cumulative Effect, Period Of Adoption, Adjusted Balance
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Allowance for Unfunded Commitments							5,538
SEC Schedule, 12-09, Reserve, Off-balance Sheet Activity [Member] | Total consumer | First Staunton Bancshares [Member]
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Provision for loan losses			66
SEC Schedule, 12-09, Reserve, Off-balance Sheet Activity [Member] | Total consumer | Accounting Standards Update 2016-13 | Cumulative Effect, Period Of Adoption, Adjustment
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Allowance for Unfunded Commitments							4,095
Allowance for Loans Losses and Unfunded Commitments [Member]
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Charge offs			(47,659)
Recoveries			4,129
Net Charge offs			(43,530)
Gross up of allowance for PCD loans at acquisition			3,504
Allowance for credit losses on loans
Balance at beginning of period			223,278
Allowance for Credit Losses on Loans	428,579		428,579		223,278	$ 428,579		223,278
Charge offs			(47,659)
Recoveries			4,129
Net Charge offs			(43,530)
Gross up of allowance for PCD loans at acquisition			3,504
Provision for credit losses			111,457
Balance at end of period	428,579		428,579		223,278
Percent of Loans						1.73%
Allowance for Loan and Lease Losses [Roll Forward]
Net Charge offs			(43,530)
Allowance for Loans Losses and Unfunded Commitments [Member] | Cumulative Effect, Period Of Adoption, Adjusted Balance
Allowance for credit losses on loans
Allowance for Credit Losses on Loans							354,425
Allowance for Loans Losses and Unfunded Commitments [Member] | First Staunton Bancshares [Member]
Allowance for credit losses on loans
Provision for credit losses			2,722
Allowance for Loans Losses and Unfunded Commitments [Member] | Accounting Standards Update 2016-13 | Cumulative Effect, Period Of Adoption, Adjustment
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for Loan Losses							131,000
Allowance for credit losses on loans
Allowance for Credit Losses on Loans							131,147
Allowance for Loans Losses and Unfunded Commitments [Member] | PPP
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Charge offs			0
Recoveries			0
Net Charge offs			0
Gross up of allowance for PCD loans at acquisition			0
Allowance for credit losses on loans
Balance at beginning of period			0
Allowance for Credit Losses on Loans	808		808		0	$ 808		0
Charge offs			0
Recoveries			0
Net Charge offs			0
Gross up of allowance for PCD loans at acquisition			0
Provision for credit losses			808
Balance at end of period	808		808		0
Percent of Loans						0.08%
Allowance for Loan and Lease Losses [Roll Forward]
Net Charge offs			0
Allowance for Loans Losses and Unfunded Commitments [Member] | PPP | Cumulative Effect, Period Of Adoption, Adjusted Balance
Allowance for credit losses on loans
Allowance for Credit Losses on Loans							0
Allowance for Loans Losses and Unfunded Commitments [Member] | PPP | First Staunton Bancshares [Member]
Allowance for credit losses on loans
Provision for credit losses			0
Allowance for Loans Losses and Unfunded Commitments [Member] | PPP | Accounting Standards Update 2016-13 | Cumulative Effect, Period Of Adoption, Adjustment
Allowance for credit losses on loans
Allowance for Credit Losses on Loans							0
Allowance for Loans Losses and Unfunded Commitments [Member] | Commercial and industrial
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Charge offs			(42,183)
Recoveries			2,215
Net Charge offs			(39,968)
Gross up of allowance for PCD loans at acquisition			293
Allowance for credit losses on loans
Balance at beginning of period			103,409
Allowance for Credit Losses on Loans	195,155		195,155		103,409	$ 195,155		103,409
Charge offs			(42,183)
Recoveries			2,215
Net Charge offs			(39,968)
Gross up of allowance for PCD loans at acquisition			293
Provision for credit losses			82,028
Balance at end of period	195,155		195,155		103,409
Percent of Loans						2.45%
Allowance for Loan and Lease Losses [Roll Forward]
Net Charge offs			(39,968)
Allowance for Loans Losses and Unfunded Commitments [Member] | Commercial and industrial | Cumulative Effect, Period Of Adoption, Adjusted Balance
Allowance for credit losses on loans
Allowance for Credit Losses on Loans							152,330
Allowance for Loans Losses and Unfunded Commitments [Member] | Commercial and industrial | First Staunton Bancshares [Member]
Allowance for credit losses on loans
Provision for credit losses			469
Allowance for Loans Losses and Unfunded Commitments [Member] | Commercial and industrial | Accounting Standards Update 2016-13 | Cumulative Effect, Period Of Adoption, Adjustment
Allowance for credit losses on loans
Allowance for Credit Losses on Loans							48,921
Allowance for Loans Losses and Unfunded Commitments [Member] | Commercial real estate — owner occupied
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Charge offs			0
Recoveries			1
Net Charge offs			1
Gross up of allowance for PCD loans at acquisition			890
Allowance for credit losses on loans
Balance at beginning of period			10,411
Allowance for Credit Losses on Loans	10,538		10,538		10,411	$ 10,538		10,411
Charge offs			0
Recoveries			1
Net Charge offs			1
Gross up of allowance for PCD loans at acquisition			890
Provision for credit losses			829
Balance at end of period	10,538		10,538		10,411
Percent of Loans						1.15%
Allowance for Loan and Lease Losses [Roll Forward]
Net Charge offs			1
Allowance for Loans Losses and Unfunded Commitments [Member] | Commercial real estate — owner occupied | Cumulative Effect, Period Of Adoption, Adjusted Balance
Allowance for credit losses on loans
Allowance for Credit Losses on Loans							8,560
Allowance for Loans Losses and Unfunded Commitments [Member] | Commercial real estate — owner occupied | First Staunton Bancshares [Member]
Allowance for credit losses on loans
Provision for credit losses			259
Allowance for Loans Losses and Unfunded Commitments [Member] | Commercial real estate — owner occupied | Accounting Standards Update 2016-13 | Cumulative Effect, Period Of Adoption, Adjustment
Allowance for credit losses on loans
Allowance for Credit Losses on Loans							(1,851)
Allowance for Loans Losses and Unfunded Commitments [Member] | Commercial and business lending
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Charge offs			(42,183)
Recoveries			2,216
Net Charge offs			(39,967)
Gross up of allowance for PCD loans at acquisition			1,183
Allowance for credit losses on loans
Balance at beginning of period			113,820
Allowance for Credit Losses on Loans	206,501		206,501		113,820	$ 206,501		113,820
Charge offs			(42,183)
Recoveries			2,216
Net Charge offs			(39,967)
Gross up of allowance for PCD loans at acquisition			1,183
Provision for credit losses			83,666
Balance at end of period	206,501		206,501		113,820
Percent of Loans						2.09%
Allowance for Loan and Lease Losses [Roll Forward]
Net Charge offs			(39,967)
Allowance for Loans Losses and Unfunded Commitments [Member] | Commercial and business lending | Cumulative Effect, Period Of Adoption, Adjusted Balance
Allowance for credit losses on loans
Allowance for Credit Losses on Loans							160,890
Allowance for Loans Losses and Unfunded Commitments [Member] | Commercial and business lending | First Staunton Bancshares [Member]
Allowance for credit losses on loans
Provision for credit losses			728
Allowance for Loans Losses and Unfunded Commitments [Member] | Commercial and business lending | Accounting Standards Update 2016-13 | Cumulative Effect, Period Of Adoption, Adjustment
Allowance for credit losses on loans
Allowance for Credit Losses on Loans							47,070
Allowance for Loans Losses and Unfunded Commitments [Member] | Commercial real estate — investor
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Charge offs			(140)
Recoveries			168
Net Charge offs			28
Gross up of allowance for PCD loans at acquisition			753
Allowance for credit losses on loans
Balance at beginning of period			41,044
Allowance for Credit Losses on Loans	59,070		59,070		41,044	$ 59,070		41,044
Charge offs			(140)
Recoveries			168
Net Charge offs			28
Gross up of allowance for PCD loans at acquisition			753
Provision for credit losses			14,486
Balance at end of period	59,070		59,070		41,044
Percent of Loans						1.42%
Allowance for Loan and Lease Losses [Roll Forward]
Net Charge offs			28
Allowance for Loans Losses and Unfunded Commitments [Member] | Commercial real estate — investor | Cumulative Effect, Period Of Adoption, Adjusted Balance
Allowance for credit losses on loans
Allowance for Credit Losses on Loans							43,331
Allowance for Loans Losses and Unfunded Commitments [Member] | Commercial real estate — investor | First Staunton Bancshares [Member]
Allowance for credit losses on loans
Provision for credit losses			474
Allowance for Loans Losses and Unfunded Commitments [Member] | Commercial real estate — investor | Accounting Standards Update 2016-13 | Cumulative Effect, Period Of Adoption, Adjustment
Allowance for credit losses on loans
Allowance for Credit Losses on Loans							2,287
Allowance for Loans Losses and Unfunded Commitments [Member] | Real estate construction
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Charge offs			(19)
Recoveries			27
Net Charge offs			8
Gross up of allowance for PCD loans at acquisition			435
Allowance for credit losses on loans
Balance at beginning of period			32,447
Allowance for Credit Losses on Loans	76,273		76,273		32,447	$ 76,273		32,447
Charge offs			(19)
Recoveries			27
Net Charge offs			8
Gross up of allowance for PCD loans at acquisition			435
Provision for credit losses			17,032
Balance at end of period	76,273		76,273		32,447
Percent of Loans						4.47%
Allowance for Loan and Lease Losses [Roll Forward]
Net Charge offs			8
Allowance for Loans Losses and Unfunded Commitments [Member] | Real estate construction | Cumulative Effect, Period Of Adoption, Adjusted Balance
Allowance for credit losses on loans
Allowance for Credit Losses on Loans							58,261
Allowance for Loans Losses and Unfunded Commitments [Member] | Real estate construction | First Staunton Bancshares [Member]
Allowance for credit losses on loans
Provision for credit losses			537
Allowance for Loans Losses and Unfunded Commitments [Member] | Real estate construction | Accounting Standards Update 2016-13 | Cumulative Effect, Period Of Adoption, Adjustment
Allowance for credit losses on loans
Allowance for Credit Losses on Loans							25,814
Allowance for Loans Losses and Unfunded Commitments [Member] | Commercial real estate lending
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Charge offs			(159)
Recoveries			195
Net Charge offs			36
Gross up of allowance for PCD loans at acquisition			1,188
Allowance for credit losses on loans
Balance at beginning of period			73,490
Allowance for Credit Losses on Loans	135,343		135,343		73,490	$ 135,343		73,490
Charge offs			(159)
Recoveries			195
Net Charge offs			36
Gross up of allowance for PCD loans at acquisition			1,188
Provision for credit losses			31,518
Balance at end of period	135,343		135,343		73,490
Percent of Loans						2.30%
Allowance for Loan and Lease Losses [Roll Forward]
Net Charge offs			36
Allowance for Loans Losses and Unfunded Commitments [Member] | Commercial real estate lending | Cumulative Effect, Period Of Adoption, Adjusted Balance
Allowance for credit losses on loans
Allowance for Credit Losses on Loans							101,591
Allowance for Loans Losses and Unfunded Commitments [Member] | Commercial real estate lending | First Staunton Bancshares [Member]
Allowance for credit losses on loans
Provision for credit losses			1,011
Allowance for Loans Losses and Unfunded Commitments [Member] | Commercial real estate lending | Accounting Standards Update 2016-13 | Cumulative Effect, Period Of Adoption, Adjustment
Allowance for credit losses on loans
Allowance for Credit Losses on Loans							28,101
Allowance for Loans Losses and Unfunded Commitments [Member] | Total commercial
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Charge offs			(42,342)
Recoveries			2,412
Net Charge offs			(39,931)
Gross up of allowance for PCD loans at acquisition			2,371
Allowance for credit losses on loans
Balance at beginning of period			187,311
Allowance for Credit Losses on Loans	341,844		341,844		187,311	$ 341,844		187,311
Charge offs			(42,342)
Recoveries			2,412
Net Charge offs			(39,931)
Gross up of allowance for PCD loans at acquisition			2,371
Provision for credit losses			115,184
Balance at end of period	341,844		341,844		187,311
Percent of Loans						2.17%
Allowance for Loan and Lease Losses [Roll Forward]
Net Charge offs			(39,931)
Allowance for Loans Losses and Unfunded Commitments [Member] | Total commercial | Cumulative Effect, Period Of Adoption, Adjusted Balance
Allowance for credit losses on loans
Allowance for Credit Losses on Loans							262,482
Allowance for Loans Losses and Unfunded Commitments [Member] | Total commercial | First Staunton Bancshares [Member]
Allowance for credit losses on loans
Provision for credit losses			1,739
Allowance for Loans Losses and Unfunded Commitments [Member] | Total commercial | Accounting Standards Update 2016-13 | Cumulative Effect, Period Of Adoption, Adjustment
Allowance for credit losses on loans
Allowance for Credit Losses on Loans							75,171
Allowance for Loans Losses and Unfunded Commitments [Member] | Residential mortgage
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Charge offs			(1,301)
Recoveries			174
Net Charge offs			(1,127)
Gross up of allowance for PCD loans at acquisition			651
Allowance for credit losses on loans
Balance at beginning of period			16,960
Allowance for Credit Losses on Loans	43,826		43,826		16,960	$ 43,826		16,960
Charge offs			(1,301)
Recoveries			174
Net Charge offs			(1,127)
Gross up of allowance for PCD loans at acquisition			651
Provision for credit losses			(6,277)
Balance at end of period	43,826		43,826		16,960
Percent of Loans						0.55%
Allowance for Loan and Lease Losses [Roll Forward]
Net Charge offs			(1,127)
Allowance for Loans Losses and Unfunded Commitments [Member] | Residential mortgage | Cumulative Effect, Period Of Adoption, Adjusted Balance
Allowance for credit losses on loans
Allowance for Credit Losses on Loans							50,175
Allowance for Loans Losses and Unfunded Commitments [Member] | Residential mortgage | First Staunton Bancshares [Member]
Allowance for credit losses on loans
Provision for credit losses			403
Allowance for Loans Losses and Unfunded Commitments [Member] | Residential mortgage | Accounting Standards Update 2016-13 | Cumulative Effect, Period Of Adoption, Adjustment
Allowance for credit losses on loans
Allowance for Credit Losses on Loans							33,215
Allowance for Loans Losses and Unfunded Commitments [Member] | Home equity
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Charge offs			(1,213)
Recoveries			981
Net Charge offs			(232)
Gross up of allowance for PCD loans at acquisition			422
Allowance for credit losses on loans
Balance at beginning of period			11,964
Allowance for Credit Losses on Loans	25,308		25,308		11,964	$ 25,308		11,964
Charge offs			(1,213)
Recoveries			981
Net Charge offs			(232)
Gross up of allowance for PCD loans at acquisition			422
Provision for credit losses			(1,526)
Balance at end of period	25,308		25,308		11,964
Percent of Loans						3.18%
Allowance for Loan and Lease Losses [Roll Forward]
Net Charge offs			(232)
Allowance for Loans Losses and Unfunded Commitments [Member] | Home equity | Cumulative Effect, Period Of Adoption, Adjusted Balance
Allowance for credit losses on loans
Allowance for Credit Losses on Loans							26,204
Allowance for Loans Losses and Unfunded Commitments [Member] | Home equity | First Staunton Bancshares [Member]
Allowance for credit losses on loans
Provision for credit losses			440
Allowance for Loans Losses and Unfunded Commitments [Member] | Home equity | Accounting Standards Update 2016-13 | Cumulative Effect, Period Of Adoption, Adjustment
Allowance for credit losses on loans
Allowance for Credit Losses on Loans							14,240
Allowance for Loans Losses and Unfunded Commitments [Member] | Other consumer
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Charge offs			(2,802)
Recoveries			562
Net Charge offs			(2,240)
Gross up of allowance for PCD loans at acquisition			61
Allowance for credit losses on loans
Balance at beginning of period			7,044
Allowance for Credit Losses on Loans	17,601		17,601		7,044	$ 17,601		7,044
Charge offs			(2,802)
Recoveries			562
Net Charge offs			(2,240)
Gross up of allowance for PCD loans at acquisition			61
Provision for credit losses			4,076
Balance at end of period	17,601		17,601		7,044
Percent of Loans						5.40%
Allowance for Loan and Lease Losses [Roll Forward]
Net Charge offs			(2,240)
Allowance for Loans Losses and Unfunded Commitments [Member] | Other consumer | Cumulative Effect, Period Of Adoption, Adjusted Balance
Allowance for credit losses on loans
Allowance for Credit Losses on Loans							15,564
Allowance for Loans Losses and Unfunded Commitments [Member] | Other consumer | First Staunton Bancshares [Member]
Allowance for credit losses on loans
Provision for credit losses			140
Allowance for Loans Losses and Unfunded Commitments [Member] | Other consumer | Accounting Standards Update 2016-13 | Cumulative Effect, Period Of Adoption, Adjustment
Allowance for credit losses on loans
Allowance for Credit Losses on Loans							8,520
Allowance for Loans Losses and Unfunded Commitments [Member] | Total consumer
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Charge offs			(5,316)
Recoveries			1,717
Net Charge offs			(3,599)
Gross up of allowance for PCD loans at acquisition			1,134
Allowance for credit losses on loans
Balance at beginning of period			35,968
Allowance for Credit Losses on Loans	86,735		86,735		35,968	$ 86,735		$ 35,968
Charge offs			(5,316)
Recoveries			1,717
Net Charge offs			(3,599)
Gross up of allowance for PCD loans at acquisition			1,134
Provision for credit losses			(3,727)
Balance at end of period	$ 86,735		86,735		$ 35,968
Percent of Loans						0.96%
Allowance for Loan and Lease Losses [Roll Forward]
Net Charge offs			(3,599)
Allowance for Loans Losses and Unfunded Commitments [Member] | Total consumer | Cumulative Effect, Period Of Adoption, Adjusted Balance
Allowance for credit losses on loans
Allowance for Credit Losses on Loans							91,943
Allowance for Loans Losses and Unfunded Commitments [Member] | Total consumer | First Staunton Bancshares [Member]
Allowance for credit losses on loans
Provision for credit losses			$ 983
Allowance for Loans Losses and Unfunded Commitments [Member] | Total consumer | Accounting Standards Update 2016-13 | Cumulative Effect, Period Of Adoption, Adjustment
Allowance for credit losses on loans
Allowance for Credit Losses on Loans							$ 55,975

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Loans Narrative (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2020	Jun. 30, 2019	Jan. 01, 2020	Dec. 31, 2019
Loans Information [Line Items]
Interest Receivable	$ 87,097	$ 87,097			$ 91,196
Financing Receivable, Nonaccrual, Interest Income	1 million	1 million
Recorded Investment, loans modified in troubled debt restructuring		$ 7,531	$ 6,370
Restructured Loans Subsequently Accruing	$ 1,000	1,000
Ytd Restructured Loans Still On Nonaccrual	7,000	7,000
Loans and Finance Receivables [Member]
Loans Information [Line Items]
Interest Receivable	60,000	60,000			$ 63,000
Possible Liquidity Issues [Member]
Loans Information [Line Items]
Financing Receivable, Troubled Debt Restructuring	102,000	102,000		$ 114,000
Possible Liquidity Issues [Member] | Oil and Gas Portfolio Segment [Member]
Loans Information [Line Items]
Financing Receivable, Troubled Debt Restructuring	76,000	76,000
Possible Liquidity Issues [Member] | Commercial and business lending
Loans Information [Line Items]
Financing Receivable, Troubled Debt Restructuring	$ 26,000	$ 26,000

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Goodwill and Other Intangible Assets, Summary of Core Deposit and Other Intangibles (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019	Dec. 31, 2018
Summary of core deposit intangibles and other intangibles
Other intangible amortization	$ 2,872	$ 2,324	$ 5,686	$ 4,551
Core Deposit Intangibles
Summary of core deposit intangibles and other intangibles
Gross carrying amount at the beginning of the year					$ 80,730	$ 58,100
Additions during the period			7,379		22,630
Accumulated amortization	(16,800)		(16,800)		(12,456)
Net book value	71,309		71,309		68,274
Other intangible amortization			4,344		7,130
Other Intangibles
Summary of core deposit intangibles and other intangibles
Gross carrying amount at the beginning of the year					38,970	$ 44,887
Additions during the period			200		0
Reductions due to sale			(19,000)
Accumulated amortization	(20,285)		(20,285)		(24,643)
Net book value	$ 1,450		1,450		20,027
Other intangible amortization			1,343		2,818
Other Intangibles | Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member]
Summary of core deposit intangibles and other intangibles
Reductions due to sale			$ 17,435		$ 217

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Goodwill and Other Intangible Assets, Mortgage Servicing Rights Roll-Forward (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended	12 Months Ended
	Jun. 30, 2020	Jun. 30, 2020	Dec. 31, 2019
Mortgage servicing rights
Mortgage servicing rights at beginning of period		$ 67,607	$ 68,433
Additions from acquisition		1,357	0
Additions		7,812	11,606
Amortization		(10,043)	(12,432)
Mortgage servicing rights at end of period	$ 66,734	66,734	67,607
Valuation Allowance for Impairment of Recognized Servicing Assets [Roll Forward]
Valuation allowance at beginning of period		(302)	(239)
(Additions) recoveries, net	(17,000)	(17,029)	(63)
Valuation allowance at end of period	(17,331)	(17,331)	(302)
Mortgage servicing rights, net	49,403	49,403	67,306
Fair value of mortgage servicing rights	49,423	49,423	72,532
Portfolio of residential mortgage loans serviced for others (“servicing portfolio”)	$ 8,454,204	$ 8,454,204	$ 8,488,969
Mortgage servicing rights, net to servicing portfolio	0.58%	0.58%	0.79%
Mortgage servicing rights expense(a)	$ 27,072	$ 27,072	$ 12,494

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Goodwill and Other Intangible Assets, Estimated Future Amortization Expense (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Core Deposit Intangibles
Estimated future amortization expense
Six Months Ending December 31, 2020	$ 4,405
Year ending December 31, 2021	8,811
Year ending December 31, 2022	8,811
Year ending December 31, 2023	8,811
Year ending December 31, 2024	8,811
Year ending December 31, 2025	8,811
Beyond 2025	22,849
Net book value	71,309	$ 68,274
Other Intangibles
Estimated future amortization expense
Six Months Ending December 31, 2020	100
Year ending December 31, 2021	200
Year ending December 31, 2022	200
Year ending December 31, 2023	200
Year ending December 31, 2024	200
Year ending December 31, 2025	200
Beyond 2025	350
Net book value	1,450	$ 20,027
Mortgage Servicing Rights
Estimated future amortization expense
Six Months Ending December 31, 2020	7,676
Year ending December 31, 2021	14,970
Year ending December 31, 2022	10,982
Year ending December 31, 2023	8,269
Year ending December 31, 2024	6,409
Year ending December 31, 2025	5,082
Beyond 2025	13,346
Net book value	$ 66,734

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Goodwill and Other Intangible Assets (Details Textuals) - USD ($) $ in Thousands			3 Months Ended		6 Months Ended	12 Months Ended
	Jun. 30, 2020	Feb. 14, 2020	Jun. 30, 2020	Mar. 31, 2020	Jun. 30, 2020	Dec. 31, 2019
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill, Impairment Loss				$ 0	$ 0
Valuation Allowance for Impairment of Recognized Servicing Assets, Additions (Deductions) for Expenses (Recoveries)			$ 17,000		17,029	$ 63
Goodwill [Line Items]
Goodwill	$ 1,107,902		1,107,902		1,107,902	1,176,230
Goodwill, Acquired During Period				15,000
Other Intangibles
Goodwill [Line Items]
Decrease of other intangible assets					19,000
Other Intangibles | Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member]
Goodwill [Line Items]
Decrease of other intangible assets					$ (17,435)	$ (217)
Other Intangibles | Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | ABRC
Goodwill [Line Items]
Decrease of other intangible assets	(17,000)
First Staunton Bancshares [Member]
Goodwill [Line Items]
Goodwill, Acquired During Period	$ 82,000	$ 13,414		$ 15,000
Goodwill, Other Increase (Decrease)			$ 2,000

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Short and Long-Term Funding, FHLB Advances (Components of Short-term and Long-term Funding) (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Short-term Funding [Abstract]
Federal funds purchased	$ 3,430	$ 362,000
Securities sold under agreements to repurchase	138,863	71,097
Federal funds purchased and securities sold under agreements to repurchase	142,293	433,097
Commercial paper	39,535	32,016
Total short-term funding	181,828	465,113
Long-Term Funding
Corporation subordinated notes, at par, due 2025	250,000	250,000
PPPLF	1,009,760	0
Finance lease liability	1,202	2,209
Capitalized costs	(2,265)	(2,866)
Total long-term funding	1,558,698	549,343
Total short and long-term funding, excluding FHLB advances	1,740,525	1,014,456
FHLB Advances
Short-term FHLB advances	0	520,000
Long-term FHLB advances	2,657,016	2,660,967
Total FHLB advances	2,657,016	3,180,967
Total short and long-term funding	4,397,542	4,195,422
Bank senior notes, at par, due 2021
Long-Term Funding
Senior notes	$ 300,000	$ 300,000

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Short and Long-Term Funding (Remaining Contractual Maturity of the Securities Sold Under Agreements to Repurchase) (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
RemainingContractualMaturityoftheSecuritiesSoldUnderAgreementtoRepurchase [Line Items]
Repurchase agreements	$ 138,863	$ 71,097
Overnight and Continuous
RemainingContractualMaturityoftheSecuritiesSoldUnderAgreementtoRepurchase [Line Items]
Repurchase agreements	138,863	71,097
Up to 30 days
RemainingContractualMaturityoftheSecuritiesSoldUnderAgreementtoRepurchase [Line Items]
Repurchase agreements	0	0
30-90 days
RemainingContractualMaturityoftheSecuritiesSoldUnderAgreementtoRepurchase [Line Items]
Repurchase agreements	0	0
Greater than 90 days
RemainingContractualMaturityoftheSecuritiesSoldUnderAgreementtoRepurchase [Line Items]
Repurchase agreements	0	0
Agency mortgage-related securities
RemainingContractualMaturityoftheSecuritiesSoldUnderAgreementtoRepurchase [Line Items]
Repurchase agreements	138,863	71,097
Agency mortgage-related securities | Overnight and Continuous
RemainingContractualMaturityoftheSecuritiesSoldUnderAgreementtoRepurchase [Line Items]
Repurchase agreements	138,863	71,097
Agency mortgage-related securities | Up to 30 days
RemainingContractualMaturityoftheSecuritiesSoldUnderAgreementtoRepurchase [Line Items]
Repurchase agreements	0	0
Agency mortgage-related securities | 30-90 days
RemainingContractualMaturityoftheSecuritiesSoldUnderAgreementtoRepurchase [Line Items]
Repurchase agreements	0	0
Agency mortgage-related securities | Greater than 90 days
RemainingContractualMaturityoftheSecuritiesSoldUnderAgreementtoRepurchase [Line Items]
Repurchase agreements	$ 0	$ 0

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Short and Long-Term Funding (Long-term Funding Narrative) (Details) - USD ($) $ in Millions			1 Months Ended
	Aug. 13, 2018	Nov. 13, 2014	Nov. 30, 2014	Jun. 30, 2020
Long-Term Funding
Carrying Value of Securities Purchased under Agreements to Resell and Deposits Paid for Securities Borrowed				$ 203
Two Thousand Eighteen Senior Notes [Member] [Domain]
Long-Term Funding
Debt Instrument, Issuance Date Month, Year	August 2018
New Senior Debt Issued	$ 300
Debt Instrument, Maturity Date Month, Year	August 2021
Debt Instrument Call Date Earliest Month Year	July 2021
Debt Instrument, Interest Rate, Stated Percentage	3.50%
PPP
Long-Term Funding
Debt Instrument, Interest Rate, Stated Percentage				0.35%
Two Thousand Fourteen Subordinated Notes
Long-Term Funding
Debt Instrument, Issuance Date Month, Year		November 2014
Junior Subordinated Debentures Issued			$ 250
Debt Instrument, Term			10 years
Debt Instrument, Maturity Date Month, Year		January 2025
Debt Instrument Call Date Earliest Month Year		October 2024
Subordinated Borrowing, Interest Rate			4.25%

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Derivative and Hedging Activities, Derivative Instruments Not Designated as Hedging Instruments (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Asset
Derivative Instruments Not Designated as Hedging Instruments [Abstract]
Derivatives (trading and other assets), fair value	$ 293,583	$ 104,305
Less: Legally enforceable master netting agreements	1,586	10,410
Less: Cash collateral pledged/received	36,234	1,408
Derivative Asset	255,763	92,487
Liability
Derivative Instruments Not Designated as Hedging Instruments [Abstract]
Derivatives (trading and other liabilities), fair value	73,865	37,455
Less: Legally enforceable master netting agreements	1,586	10,410
Less: Cash collateral pledged/received	32,285	11,365
Derivatives (trading liabilities)	39,994	15,680
Not designated as hedging instruments | Asset | Interest rate-related instruments — customer and mirror
Derivative Instruments Not Designated as Hedging Instruments [Abstract]
Notional Amount	3,564,015	3,029,877
Derivatives (trading and other assets), fair value	238,003	77,024
Not designated as hedging instruments | Asset | Foreign currency exchange forwards
Derivative Instruments Not Designated as Hedging Instruments [Abstract]
Notional Amount	337,015	272,636
Derivatives (trading and other assets), fair value	4,200	4,226
Not designated as hedging instruments | Asset | Commodity contracts
Derivative Instruments Not Designated as Hedging Instruments [Abstract]
Notional Amount	163,307	255,089
Derivatives (trading and other assets), fair value	38,543	20,528
Not designated as hedging instruments | Asset | Mortgage banking(a)
Derivative Instruments Not Designated as Hedging Instruments [Abstract]
Notional Amount	299,330	255,291
Derivatives (trading and other assets), fair value	12,837	2,527
Not designated as hedging instruments | Liability | Interest rate-related instruments — customer and mirror
Derivative Instruments Not Designated as Hedging Instruments [Abstract]
Notional Amount	3,564,015	3,029,877
Derivatives (trading and other liabilities), fair value	31,472	13,073
Not designated as hedging instruments | Liability | Foreign currency exchange forwards
Derivative Instruments Not Designated as Hedging Instruments [Abstract]
Notional Amount	290,557	264,653
Derivatives (trading and other liabilities), fair value	4,102	4,048
Not designated as hedging instruments | Liability | Commodity contracts
Derivative Instruments Not Designated as Hedging Instruments [Abstract]
Notional Amount	158,756	255,165
Derivatives (trading and other liabilities), fair value	36,998	19,624
Not designated as hedging instruments | Liability | Mortgage banking(a)
Derivative Instruments Not Designated as Hedging Instruments [Abstract]
Notional Amount	393,184	263,000
Derivatives (trading and other liabilities), fair value	$ 1,293	$ 710

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Derivative and Hedging Activities Income impact of Fair Value and Cash Flow Hedge (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Interest Income
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Change in Unrealized Gain (Loss) on Hedged Item in Fair Value Hedge	$ (542)	$ 53	$ (864)	$ 219
Other Income (Expense)
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Change in Unrealized Gain (Loss) on Hedged Item in Fair Value Hedge	0	0	(262)	0
Not Designated as Hedging Instrument, Economic Hedge [Member] | Interest Income
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Change in Unrealized Gain (Loss) on Hedged Item in Fair Value Hedge	(542)	4,165	(864)	6,222
Not Designated as Hedging Instrument, Economic Hedge [Member] | Other Income (Expense)
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Change in Unrealized Gain (Loss) on Hedged Item in Fair Value Hedge	0	0	(262)	0
Designated as Hedging Instrument | Interest Income
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Change in Unrealized Gain (Loss) on Hedged Item in Fair Value Hedge	0	(4,112)	0	(6,003)
Designated as Hedging Instrument | Other Income (Expense)
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Change in Unrealized Gain (Loss) on Hedged Item in Fair Value Hedge	$ 0	$ 0	$ 0	$ 0

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Derivative and Hedging Activities Derivative Impact on Perfomance (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Capital markets, net | Interest rate-related instruments — customer and mirror, net
Derivative Instruments
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net	$ (65)	$ (1,018)	$ (3,155)	$ (1,690)
Capital markets, net | Foreign currency exchange forwards
Derivative Instruments
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net	41	186	(81)	212
Capital markets, net | Commodity contracts
Derivative Instruments
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net	(105)	(1,678)	641	(2,245)
Mortgage banking, net | Interest rate lock commitments (mortgage)
Derivative Instruments
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net	382	1,837	10,310	2,661
Mortgage banking, net | Forward commitments (mortgage)
Derivative Instruments
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net	$ 9,679	$ (78)	$ (582)	$ 169

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Derivative and Hedging Activities (Details Textuals) - USD ($) $ in Millions	Jun. 30, 2020	Dec. 31, 2019
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Investment securities and cash equivalents pledged as collateral	$ 73	$ 57
Derivative collateral right to reclaim cash	38	14
Designated as Hedging Instrument
Balance Sheet Recording of Fair Value Hedge [Line Items]
Derivative Liability Notional Amount, Terminated		$ 500
Underlying Hedged Asset, Amortized Cost Basis	751
Deferred (Gain) Loss on Discontinuation of Fair Value Hedge	$ 4

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Balance Sheet Offsetting (Details) - Interest Rate Contract - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Derivative assets
Gross Amounts Recognized	$ 38,569	$ 11,864
Derivative Assets Offset	(1,586)	(10,410)
Derivative Asset, Collateral, Obligation to Return Cash, Offset	(36,234)	(1,408)
Net Amounts Presented on the Consolidated Balance Sheets	749	45
Investment Securities Received	0	0
Net amount	749	45
Derivative liabilities
Gross Amounts Recognized	34,434	22,189
Derivative Liability, Fair Value, Gross Asset	(1,586)	(10,410)
Derivative Liability, Collateral, Right to Reclaim Cash, Offset	(32,285)	(11,365)
Net Amounts Presented on the Consolidated Balance Sheets	564	413
Investment Securities Pledged	0	0
Net amount	$ 564	$ 413

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Commitments, Off-Balance Sheet Arrangements, Legal Proceedings and Regulatory Matters, Summary of Lending Related and Other Commitments (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Schedule of lending-related and other commitments [Line Items]
Lending related commitments, fair value	$ 0	$ 0
Commitments to extend credit, excluding commitments to originate residential mortgage loans held for sale(a)(b)
Summary of lending-related and other commitments
Lending related commitments	9,580,338	9,024,412
Commercial letters of credit(a)
Summary of lending-related and other commitments
Lending related commitments	6,123	7,081
Standby letters of credit(c)
Summary of lending-related and other commitments
Lending related commitments	265,223	277,969
Standby letters of credit, fair value	$ 3,000	$ 3,000

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Commitment, Changes in the Allowance for Unfunded Commitments (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2020	Dec. 31, 2019	Jan. 01, 2020
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Balance at beginning of period	$ 21,907
Allowance for Unfunded Commitments	64,776	$ 21,907
Provision for loan losses	24,000
Balance at end of period	64,776	21,907
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at beginning of period	21,907
Balance at end of period	64,776	21,907
Cumulative Effect, Period Of Adoption, Adjusted Balance
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Allowance for Unfunded Commitments			$ 40,597
First Staunton Bancshares [Member]
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Provision for loan losses	179
Accounting Standards Update 2016-13 | Cumulative Effect, Period Of Adoption, Adjustment
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Allowance for Unfunded Commitments			$ 18,690
SEC Schedule, 12-09, Reserve, Off-balance Sheet Activity [Member]
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at beginning of period	21,907	24,336
Balance at beginning of period, adjusted		24,336
Provision for unfunded commitments	$ 24,000	(2,500)
Balance at end of period		21,907
Amount Recorded at Acquisition [Member] | SEC Schedule, 12-09, Reserve, Off-balance Sheet Activity [Member]
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Amount recorded at acquisition		$ 70

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Commitments, Off-Balance Sheet Arrangements, Legal Proceedings and Regulatory Matters (Details Textuals) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019	Jan. 01, 2020	Dec. 31, 2018
Commitments, Off-Balance Sheet Arrangements, and Contingent Liabilities (Textuals) [Line Items]
Allowance for Unfunded Commitments	$ 64,776		$ 64,776		$ 21,907
Expense Related to Qualified Affordable Housing Projects	6,000	$ 5,000	12,000	$ 10,000
Remaining Investment in Qualified Affordable Housing Projects	262,000		262,000		234,000
Variable Interest Entity Reporting Entity Involvement Unfunded Obligation Amount	136,000		136,000		123,000
Qualified Affordable Housing Investments, Impairment Loss			0		0
Loans Repurchased Under Make Whole Requests	3,000		$ 3,000		$ 2,000
Loans Sold To Outside Investors Loss ReimbursementSettlement Paid			no		negligible
Loans Sold To Outside Investors Original Amount	13,500,000		$ 13,500,000
Loans Sold To Outside Investors Remaining Outstanding Amount	7,400,000		7,400,000
Unfunded Commitments	64,776		64,776		$ 21,907
Residential Mortgage Loans Sold With Recourse Risk	34,000		34,000		39,000
Residential Mortgage Loans Sold With Credit Recourse Risk	39,000		39,000		45,000
SEC Schedule, 12-09, Reserve, Off-balance Sheet Activity [Member]
Commitments, Off-Balance Sheet Arrangements, and Contingent Liabilities (Textuals) [Line Items]
Provision for unfunded commitments			24,000		(2,500)
Unfunded Commitments					21,907		$ 24,336
Mortgage Repurchase Reserve
Commitments, Off-Balance Sheet Arrangements, and Contingent Liabilities (Textuals) [Line Items]
Unfunded Commitments	1,000		1,000		795
UnconsolidatedProjectsLowIncomeHousing [Member]
Commitments, Off-Balance Sheet Arrangements, and Contingent Liabilities (Textuals) [Line Items]
Other Investments	274,000		274,000		248,000
PrincipalInvestmentCommitment [Member]
Commitments, Off-Balance Sheet Arrangements, and Contingent Liabilities (Textuals) [Line Items]
Other Investments	$ 28,000		$ 28,000		$ 26,000
Accounting Standards Update 2016-13 | Cumulative Effect, Period Of Adoption, Adjustment
Commitments, Off-Balance Sheet Arrangements, and Contingent Liabilities (Textuals) [Line Items]
Allowance for Unfunded Commitments						$ 18,690

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Fair Value Measurements, Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Assets, Fair Value Disclosure [Abstract]
Investment securities available for sale	$ 3,149,773	$ 3,262,586
Fair Value, Inputs, Level 1
Assets, Fair Value Disclosure [Abstract]
Investment securities available for sale	26,735	0
Fair Value, Inputs, Level 2
Assets, Fair Value Disclosure [Abstract]
Investment securities available for sale	3,123,039	3,262,586
Residential Held-for-sale, Fair Value Disclosure	196,673	136,280
Fair Value, Inputs, Level 3
Assets, Fair Value Disclosure [Abstract]
Trading assets	12,837	2,527
Liabilities, Fair Value Disclosure [Abstract]
Trading liabilities	1,293	710
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 1 | Other Debt And Other Equity Securities
Assets, Fair Value Disclosure [Abstract]
Investment securities available for sale	1,647	1,646
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 1 | Total investment securities available for sale
Assets, Fair Value Disclosure [Abstract]
Investment securities available for sale	26,735	0
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2 | GNMA
Assets, Fair Value Disclosure [Abstract]
Investment securities available for sale	605,561	985,139
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2 | FFELP
Assets, Fair Value Disclosure [Abstract]
Investment securities available for sale	340,474	263,693
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2 | Other Debt And Other Equity Securities
Assets, Fair Value Disclosure [Abstract]
Investment securities available for sale	3,000	3,000
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2 | Total investment securities available for sale
Assets, Fair Value Disclosure [Abstract]
Investment securities available for sale	3,123,039	3,262,586
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2 | Residential loans held for sale
Assets, Fair Value Disclosure [Abstract]
Investment securities available for sale	196,673	136,280
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2 | Interest rate-related instruments — customer and mirror, net
Assets, Fair Value Disclosure [Abstract]
Trading assets	238,003	77,024
Liabilities, Fair Value Disclosure [Abstract]
Trading liabilities	31,472	13,073
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2 | Foreign currency exchange forwards
Assets, Fair Value Disclosure [Abstract]
Trading assets	4,200	4,226
Liabilities, Fair Value Disclosure [Abstract]
Trading liabilities	4,102	4,048
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2 | Commodity contracts
Assets, Fair Value Disclosure [Abstract]
Trading assets	38,543	20,528
Liabilities, Fair Value Disclosure [Abstract]
Trading liabilities	36,998	19,624
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 3 | Mortgage banking(a)
Assets, Fair Value Disclosure [Abstract]
Trading assets	12,837	2,527
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 3 | Forward commitments (mortgage)
Liabilities, Fair Value Disclosure [Abstract]
Trading liabilities	1,293	710
FNMA / FHLMC | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2 | FNMA / FHLMC
Assets, Fair Value Disclosure [Abstract]
Investment securities available for sale	818,110	132,660
FNMA / FHLMC | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2 | Commercial mortgage-related securities
Assets, Fair Value Disclosure [Abstract]
Investment securities available for sale	22,061	21,728
GNMA | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2 | Commercial mortgage-related securities
Assets, Fair Value Disclosure [Abstract]
Investment securities available for sale	803,362	1,310,207
US Treasury Securities
Assets, Fair Value Disclosure [Abstract]
Investment securities available for sale	26,735
US Treasury Securities | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 1
Assets, Fair Value Disclosure [Abstract]
Investment securities available for sale	26,735	0
Obligations of state and political subdivisions (municipal securities)
Assets, Fair Value Disclosure [Abstract]
Investment securities available for sale	495,888	546,160
Obligations of state and political subdivisions (municipal securities) | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2
Assets, Fair Value Disclosure [Abstract]
Investment securities available for sale	495,888	546,160
Agency Securities
Assets, Fair Value Disclosure [Abstract]
Investment securities available for sale	25,007
Agency Securities | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2
Assets, Fair Value Disclosure [Abstract]
Investment securities available for sale	25,007	0
SBA
Assets, Fair Value Disclosure [Abstract]
Investment securities available for sale	9,575
SBA | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2
Assets, Fair Value Disclosure [Abstract]
Investment securities available for sale	$ 9,575	$ 0

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Fair Value Measurements Financial Instruments Classified Within Level 3 (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2020	Dec. 31, 2019
Interest rate lock commitments to originate residential mortgage loans held for sale
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]
Beginning Balance	$ 2,527	$ 2,208
New production	44,349	24,164
Closed loans / settlements	(37,505)	(29,375)
Other	3,467	5,530
Mortgage derivative gain (loss)	10,310	319
Ending Balance	12,837	2,527
Forward commitments to sell residential mortgage loans
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]
Beginning Balance	710	2,072
New production	(439)	(2,367)
Closed loans / settlements	(12,197)	(5,968)
Other	13,218	6,973
Mortgage derivative gain (loss)	582	(1,362)
Ending Balance	1,293	710
Total derivatives
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]
Beginning Balance	1,817	140
New production	44,788	26,531
Closed loans / settlements	(25,308)	(23,407)
Other	(9,752)	(1,443)
Mortgage derivative gain (loss)	9,727	1,681
Ending Balance	$ 11,544	$ 1,817

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Fair Value Measurements Equity Securities Without Readily Determinable Fair Values (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Equity Securities Without Readily Determinable Fair Value Amount [Roll Forward]
Carrying value as of December 31, 2019			$ 13,000
Carrying value changes	$ 0	$ 13,444	0	$ 13,444
Carrying value as of June 30, 2020	13,000		13,000
Fair Value, Inputs, Level 3
Equity Securities Without Readily Determinable Fair Value Amount [Roll Forward]
Carrying value as of December 31, 2019			13,444
Carrying value changes			0
Carrying value as of June 30, 2020	13,444		13,444
Cumulative upward carrying value changes between January 1, 2018 and June 30, 2020	13,444		13,444
Cumulative downward carrying value changes/impairment between January 1, 2018 and June 30, 2020	$ 0		$ 0

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Fair Value Measurements, Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis (Details) - USD ($) $ in Thousands	6 Months Ended		12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Assets and Liabilities Measured at Fair Value on a Non-recurring Basis
Mortgage servicing rights	$ 49,423		$ 72,532
Mortgage banking, net	17,029	$ 146
Equity securities	13,000		13,000
Investment securities gains (losses), net	15,091		15,090
Fair Value, Inputs, Level 3
Assets and Liabilities Measured at Fair Value on a Non-recurring Basis
Equity securities	13,444		13,444
Investment securities gains (losses), net	13,444		13,444
Fair Value, Nonrecurring [Member] | Fair Value, Inputs, Level 2
Assets and Liabilities Measured at Fair Value on a Non-recurring Basis
OREO(b)	6,611		3,565
Other noninterest expense	(2,273)		(1,860)
Fair Value, Nonrecurring [Member] | Fair Value, Inputs, Level 3
Assets and Liabilities Measured at Fair Value on a Non-recurring Basis
Individually evaluated loans(a)	88,416		45,792
Provision for credit losses	(58,523)		(66,172)
Mortgage servicing rights	49,423		72,532
Mortgage banking, net	$ (17,029)		(63)
Equity securities			13,444
Investment securities gains (losses), net			$ 13,444

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Fair Value Measurements Fair Value Unobservable Level 3 Measurements (Details) - Fair Value, Inputs, Level 3	6 Months Ended
	Jun. 30, 2020
Discounted Cash Flow | Mortgage Servicing Rights | Minimum
Assumption for Fair Value as of Balance Sheet Date of Assets or Liabilities that relate to Transferor's Continuing Involvement [Line Items]
Assumption for Fair Value of Assets or Liabilities that relate to Transferor's Continuing Involvement, Discount Rate	9.00%
Assumption for Fair Value of Assets or Liabilities that relate to Transferor's Continuing Involvement, Prepayment Speed	12.00%
Discounted Cash Flow | Mortgage Servicing Rights | Maximum
Assumption for Fair Value as of Balance Sheet Date of Assets or Liabilities that relate to Transferor's Continuing Involvement [Line Items]
Assumption for Fair Value of Assets or Liabilities that relate to Transferor's Continuing Involvement, Discount Rate	14.00%
Assumption for Fair Value of Assets or Liabilities that relate to Transferor's Continuing Involvement, Prepayment Speed	35.00%
Discounted Cash Flow | Mortgage Servicing Rights | Weighted Average [Member]
Assumption for Fair Value as of Balance Sheet Date of Assets or Liabilities that relate to Transferor's Continuing Involvement [Line Items]
Assumption for Fair Value of Assets or Liabilities that relate to Transferor's Continuing Involvement, Discount Rate	9.00%
Assumption for Fair Value of Assets or Liabilities that relate to Transferor's Continuing Involvement, Prepayment Speed	18.00%
Appraisals/Discounted Cash Flow | Impaired Finance Receivable | Minimum
Assumption for Fair Value as of Balance Sheet Date of Assets or Liabilities that relate to Transferor's Continuing Involvement [Line Items]
Assumption for Fair Value of Assets or Liabilities that relate to Transferor's Continuing Involvement, Discount Rate	0.00%
Appraisals/Discounted Cash Flow | Impaired Finance Receivable | Maximum
Assumption for Fair Value as of Balance Sheet Date of Assets or Liabilities that relate to Transferor's Continuing Involvement [Line Items]
Assumption for Fair Value of Assets or Liabilities that relate to Transferor's Continuing Involvement, Discount Rate	68.00%
Appraisals/Discounted Cash Flow | Impaired Finance Receivable | Weighted Average [Member]
Assumption for Fair Value as of Balance Sheet Date of Assets or Liabilities that relate to Transferor's Continuing Involvement [Line Items]
Assumption for Fair Value of Assets or Liabilities that relate to Transferor's Continuing Involvement, Discount Rate	66.00%

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Fair Value Measurements, Fair Value of Financial Instruments (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Financial assets
Cash and due from banks	$ 443,500	$ 373,380
Interest-bearing deposits in other financial institutions	1,569,006	207,624
Federal funds sold and securities purchased under agreements to resell	185	7,740
Investment securities held to maturity, net	2,077,287	2,205,083
Investment securities held to maturity, fair value	2,209,505	2,276,465
Investment securities available for sale	3,149,773	3,262,586
Equity securities with readily determinable fair values, Fair Value	2,000	2,000
Equity Securities without Readily Determinable Fair Value, Amount	13,000	13,000
Investment securities gains (losses), net	15,091	15,090
FHLB and Federal Reserve Bank stocks	206,281	227,347
Loans, net	24,468,868	22,620,068
Financial liabilities
Short-term funding	181,828	465,113
Other long-term funding	1,558,698	549,343
PPPLF	1,009,760	0
FHLB advances	2,657,016	3,180,967
Letters of Credit Outstanding, Amount	265,000	278,000
Fair Value, Inputs, Level 1
Financial assets
Cash and due from banks	443,500	373,380
Cash and due from banks, Fair Value	443,500	373,380
Interest-bearing deposits in other financial institutions	1,569,006	207,624
Interest-bearing deposits in other financial institutions, fair value	1,569,006	207,624
Federal funds sold and securities purchased under agreements to resell	185	7,740
Federal funds sold and securities purchased under agreements to resell, fair value	185	7,740
Investment securities held to maturity, net	999	999
Investment securities held to maturity, fair value	1,036	1,018
Investment securities available for sale	26,735	0
Investment securities available for sale, fair value	26,735	0
Equity securities with readily determinable fair value, Carrying Amount	1,647	1,646
Equity securities with readily determinable fair values, Fair Value	1,647	1,646
Fair Value, Inputs, Level 2
Financial assets
Investment securities held to maturity, net	2,076,226	2,204,084
Investment securities held to maturity, fair value	2,208,408	2,275,447
Investment securities available for sale	3,123,039	3,262,586
Investment securities available for sale, fair value	3,123,039	3,262,586
FHLB and Federal Reserve Bank stocks	206,281	227,347
FHLB and Federal Reserve Bank stocks, fair value	206,281	227,347
Residential Loans Receivable Held-for-sale, Net, Not Part of Disposal Group	196,673	136,280
Residential Held-for-sale, Fair Value Disclosure	196,673	136,280
Commercial loans held for sale	3,565	15,000
Commercial Loans Held-for-sale, Fair Value Disclosure	3,565	15,000
Bank and Corporate Owned Life Insurance	676,196	671,948
Bank owned life insurance, fair value	676,196	671,948
Financial liabilities
Brokered CDs and other time deposits	2,248,904	2,622,803
Brokered CDs and other time deposits, fair value	2,267,551	2,622,803
Short-term funding	181,828	465,113
Short-term funding, fair value	181,828	465,113
Other long-term funding	548,937	549,343
Long-term funding, fair value	576,667	572,873
PPPLF	1,009,760	0
Paycheck Protection Program Loan Funding Fair Value	1,009,926	0
FHLB advances	2,657,016	3,180,967
Advances, Fair Value Disclosure	2,851,632	3,207,793
Standby letters of credit	2,644	2,710
Standby letters of credit, fair value	2,644	2,710
Fair Value, Inputs, Level 2 | Other Assets [Member]
Financial assets
Derivative Asset	280,746	101,778
Derivatives (trading and other assets), fair value	280,746	101,778
Fair Value, Inputs, Level 2 | Other Liabilities [Member]
Financial liabilities
Derivatives (trading liabilities)	72,572	36,745
Derivatives (trading and other liabilities), fair value	72,572	36,745
Fair Value, Inputs, Level 3
Financial assets
Equity Securities without Readily Determinable Fair Value, Amount	13,444	13,444
Investment securities gains (losses), net	13,444	13,444
Loans, net	24,468,868	22,620,068
Loans, net, fair value	24,390,225	22,399,621
Derivative Asset	12,837	2,527
Derivatives (trading and other assets), fair value	12,837	2,527
Financial liabilities
Noninterest-bearing demand, savings, interest-bearing demand, and money market accounts	24,302,540	21,156,261
Noninterest-bearing demand, savings, interest-bearing demand, and money market deposits, fair value	24,302,540	21,156,261
Derivatives (trading liabilities)	1,293	710
Derivatives (trading and other liabilities), fair value	$ 1,293	$ 710

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Fair Value Measurements (Details Textuals)	6 Months Ended
	Jun. 30, 2020
Fair Value Measurements (Textuals) [Abstract]
Fair Value Inputs Closing Ratio	88.00%

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Retirement Plans, Components of Net Periodic Benefit Cost for the Pension and Postretirement Tables (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
RAP
Net period benefit cost for the pension and postretirement plans
Service cost	$ 2,165	$ 1,925	$ 4,330	$ 3,850
Interest cost	2,008	2,413	4,015	4,825
Expected return on plan assets	(6,405)	(6,075)	(12,810)	(12,150)
Amortization of prior service cost	(19)	(19)	(38)	(38)
Amortization of actuarial loss (gain)	803	65	1,610	130
Total net periodic pension cost	(1,449)	(1,691)	(2,893)	(3,383)
Postretirement Plan
Net period benefit cost for the pension and postretirement plans
Interest cost	20	26	39	52
Amortization of prior service cost	(19)	(19)	(38)	(38)
Amortization of actuarial loss (gain)	0	(1)	0	(2)
Total net periodic pension cost	$ 1	$ 6	$ 2	$ 13

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Retirement Plans (Details Textuals) (Details) - USD ($) $ in Millions			6 Months Ended
	Feb. 14, 2020	Jun. 14, 2019	Jun. 30, 2020	Jun. 30, 2019
Huntington National Bank
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Effective Date of Acquisition		Jun. 14, 2019
First Staunton Bancshares [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Effective Date of Acquisition	Feb. 14, 2020
RAP
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined Benefit Plan, Description			The Corporation has a noncontributory defined benefit retirement account plan, the RAP, covering substantially all employees who meet participation requirements. The benefits are based primarily on years of service and the employee’s compensation paid. Employees of acquired entities generally participate in the RAP after consummation of the business combinations. Any retirement plans of acquired entities are typically merged into the RAP after completion of the mergers, and credit is usually given to employees for years of service at the acquired institution for vesting and eligibility purposes.
Defined Benefit Plan, Plan Assets, Contributions by Employer			$ 0	$ 0

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Segment Reporting (Details) - USD ($) $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2020	Mar. 31, 2020	Jun. 30, 2019	Mar. 31, 2019	Jun. 30, 2020	Jun. 30, 2019
Segment Income Statement Data Abstract
Net interest income	$ 189,872		$ 213,619		$ 392,814	$ 429,167
Net intersegment interest income (expense)	0		0		0	0
Segment net interest income	189,872		213,619		392,814	429,167
Noninterest income	254,490		95,837		352,796	187,040
Total revenue	444,362		309,457		745,610	616,206
Credit provision	61,000		8,000		114,001	14,000
Noninterest expense	183,407		197,779		375,598	389,450
Income (loss) before income taxes	199,955		103,678		256,012	212,756
Income tax expense (benefit)	51,238		19,017		61,457	41,409
Net income	148,718	$ 45,838	84,661	$ 86,686	194,555	171,347
Segment Balance Sheet Data
Allocated goodwill					1,107,902	1,176,019
Gain (Loss) on Disposition of Assets for Financial Service Operations	157,361		871		157,284	1,438
Risk Management and Shared Services
Segment Balance Sheet Data
Gain (Loss) on Disposition of Assets for Financial Service Operations	163,000				163,000
Operating Segments | Corporate and Commercial Specialty
Segment Income Statement Data Abstract
Net interest income	98,824		114,232		206,577	228,162
Net intersegment interest income (expense)	6,889		(13,326)		(3,856)	(28,881)
Segment net interest income	105,713		100,906		202,721	199,281
Noninterest income	30,691		31,267		65,124	58,414
Total revenue	136,405		132,174		267,845	257,695
Credit provision	13,713		12,585		25,885	25,169
Noninterest expense	50,837		56,450		102,098	111,383
Income (loss) before income taxes	71,855		63,139		139,862	121,144
Income tax expense (benefit)	13,446		12,244		26,117	23,411
Net income	58,410		50,895		113,745	97,732
Segment Balance Sheet Data
Allocated goodwill					530,144	530,106
Operating Segments | Community, Consumer, and Business
Segment Income Statement Data Abstract
Net interest income	73,120		77,013		148,047	156,699
Net intersegment interest income (expense)	14,340		22,804		33,025	43,551
Segment net interest income	87,459		99,817		181,072	200,250
Noninterest income	58,557		62,123		116,207	120,398
Total revenue	146,017		161,940		297,279	320,648
Credit provision	5,429		4,626		10,537	9,311
Noninterest expense	122,290		119,694		238,721	232,612
Income (loss) before income taxes	18,298		37,620		48,021	78,725
Income tax expense (benefit)	3,843		7,900		10,084	16,532
Net income	14,455		29,720		37,936	62,193
Segment Balance Sheet Data
Allocated goodwill					577,758	645,913
Operating Segments | Risk Management and Shared Services
Segment Income Statement Data Abstract
Net interest income	17,929		22,375		38,190	44,306
Net intersegment interest income (expense)	(21,229)		(9,478)		(29,169)	(14,671)
Segment net interest income	(3,301)		12,896		9,021	29,635
Noninterest income	165,242		2,447		171,465	8,228
Total revenue	161,941		15,343		180,486	37,863
Credit provision	41,858		(9,211)		77,579	(20,480)
Noninterest expense	10,280		21,634		34,779	45,456
Income (loss) before income taxes	109,802		2,919		68,129	12,887
Income tax expense (benefit)	33,950		(1,127)		25,255	1,466
Net income	75,853		4,047		42,874	11,422
Segment Balance Sheet Data
Allocated goodwill					0	0
Business Combination, Acquisition Related Costs	$ 518		$ 3,734		$ 2,238	$ 4,366

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Segment Reporting (Details Textuals) - segment	3 Months Ended	6 Months Ended
	Mar. 31, 2020	Jun. 30, 2020
Segment Reporting [Abstract]
Number of Reportable Segments		3
Description of Effect on Previously Reported Segment Information for Change in Composition of Reportable Segments	During the first quarter of 2020, the Corporation reassigned goodwill of approximately $4 million to the Corporate and Commercial Specialty segment from the Community, Consumer and Business segment as a result of a reorganization of the investment and fiduciary businesses. The goodwill reassigned was attributable to the Corporation's acquisition of Whitnell & Co. in 2017. Also effective in the first quarter of 2020, the marketing business unit, formerly part of the Risk Management and Shared Services segment, was reorganized under the Community, Consumer and Business segment.

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Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2020	Mar. 31, 2020	Jun. 30, 2019	Mar. 31, 2019	Jun. 30, 2020	Jun. 30, 2019
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning Balance		$ (33,183)			$ (33,183)
Investment securities losses (gains), net	$ (11)		$ (13,636)		(90)	$ (13,636)
Personnel expense	(111,350)		(123,228)		(225,551)	(243,279)
Interest income	(776)		(218)		(1,332)	(288)
Total other comprehensive income (loss)	15,054	16,209	44,311	$ 21,597	31,263	65,909
Ending Balance	(1,920)				(1,920)
Investment Securities Available For Sale
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning Balance	19,620	3,989	(54,065)	(75,643)	3,989	(75,643)
Other comprehensive income (loss) before reclassifications	21,641		59,476		48,060	89,966
Investment securities losses (gains), net	(3,096)		(463)		(9,214)	(2,143)
Personnel expense	0		0		0	0
Other expense	0		0		0	0
Interest income	776		218		1,332	288
Income tax (expense) benefit	(4,841)		(14,940)		(10,066)	(22,242)
Total other comprehensive income (loss)	14,481		44,292		30,112	65,869
Ending Balance	34,101	19,620	(9,773)	(54,065)	34,101	(9,773)
Defined Benefit Pension and Postretirement Obligations
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning Balance	(36,595)	(37,172)	(49,310)	(49,330)	(37,172)	(49,330)
Other comprehensive income (loss) before reclassifications	0		0		0	0
Investment securities losses (gains), net	0		0		0	0
Personnel expense	(38)		(38)		(75)	(75)
Other expense	803		64		1,610	128
Interest income	0		0		0	0
Income tax (expense) benefit	(192)		(7)		(385)	(13)
Total other comprehensive income (loss)	573		20		1,150	40
Ending Balance	(36,021)	(36,595)	(49,290)	(49,310)	(36,021)	(49,290)
Accumulated Other Comprehensive Income (Loss)
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning Balance	(16,974)	(33,183)	(103,375)	(124,972)	(33,183)	(124,972)
Other comprehensive income (loss) before reclassifications	21,641		59,476		48,060	89,966
Investment securities losses (gains), net	(3,096)		(463)		(9,214)	(2,143)
Personnel expense	(38)		(38)		(75)	(75)
Other expense	803		64		1,610	128
Interest income	776		218		1,332	288
Income tax (expense) benefit	(5,032)		(14,947)		(10,450)	(22,255)
Total other comprehensive income (loss)	15,054	16,209	44,311	21,597	31,263	65,909
Ending Balance	$ (1,920)	$ (16,974)	$ (59,063)	$ (103,375)	$ (1,920)	$ (59,063)

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Revenue from Contracts with Customers (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Disaggregation of Revenue [Line Items]
Noninterest Income (in-scope of Topic 606)	$ 66,933	$ 72,703	$ 138,282	$ 145,441
Noninterest Income (out-of-scope of Topic 606)	187,557	23,134	214,515	41,599
Total noninterest income	254,490	95,837	352,796	187,040
Gain (Loss) on Disposition of Assets for Financial Service Operations	157,361	871	157,284	1,438
Insurance commissions and fees
Disaggregation of Revenue [Line Items]
Noninterest Income (in-scope of Topic 606)	22,430	22,985	45,038	48,449
Wealth management fees(a)
Disaggregation of Revenue [Line Items]
Noninterest Income (in-scope of Topic 606)	20,916	20,691	41,732	40,870
Service charges and deposit account fees
Disaggregation of Revenue [Line Items]
Noninterest Income (in-scope of Topic 606)	11,484	15,426	26,706	30,542
Card-based fees(b)
Disaggregation of Revenue [Line Items]
Noninterest Income (in-scope of Topic 606)	8,922	10,177	18,529	19,472
Other revenue
Disaggregation of Revenue [Line Items]
Noninterest Income (in-scope of Topic 606)	3,181	3,424	6,277	6,108
Corporate and Commercial Specialty
Disaggregation of Revenue [Line Items]
Noninterest Income (in-scope of Topic 606)	20,690	20,047	41,426	39,387
Noninterest Income (out-of-scope of Topic 606)	10,002	11,220	23,698	19,026
Corporate and Commercial Specialty | Insurance commissions and fees
Disaggregation of Revenue [Line Items]
Noninterest Income (in-scope of Topic 606)	47	49	123	174
Corporate and Commercial Specialty | Wealth management fees(a)
Disaggregation of Revenue [Line Items]
Noninterest Income (in-scope of Topic 606)	15,814	15,369	31,621	30,469
Corporate and Commercial Specialty | Service charges and deposit account fees
Disaggregation of Revenue [Line Items]
Noninterest Income (in-scope of Topic 606)	4,307	3,309	7,859	6,806
Corporate and Commercial Specialty | Card-based fees(b)
Disaggregation of Revenue [Line Items]
Noninterest Income (in-scope of Topic 606)	228	455	743	889
Corporate and Commercial Specialty | Other revenue
Disaggregation of Revenue [Line Items]
Noninterest Income (in-scope of Topic 606)	294	865	1,081	1,049
Community, Consumer, and Business
Disaggregation of Revenue [Line Items]
Noninterest Income (in-scope of Topic 606)	46,163	52,381	96,698	105,479
Noninterest Income (out-of-scope of Topic 606)	12,394	9,742	19,509	14,919
Community, Consumer, and Business | Insurance commissions and fees
Disaggregation of Revenue [Line Items]
Noninterest Income (in-scope of Topic 606)	22,381	22,933	44,910	48,268
Community, Consumer, and Business | Wealth management fees(a)
Disaggregation of Revenue [Line Items]
Noninterest Income (in-scope of Topic 606)	5,102	5,321	10,111	10,402
Community, Consumer, and Business | Service charges and deposit account fees
Disaggregation of Revenue [Line Items]
Noninterest Income (in-scope of Topic 606)	7,173	12,104	18,838	23,703
Community, Consumer, and Business | Card-based fees(b)
Disaggregation of Revenue [Line Items]
Noninterest Income (in-scope of Topic 606)	8,647	9,674	17,693	18,486
Community, Consumer, and Business | Other revenue
Disaggregation of Revenue [Line Items]
Noninterest Income (in-scope of Topic 606)	2,861	2,349	5,147	4,621
Risk Management and Shared Services
Disaggregation of Revenue [Line Items]
Noninterest Income (in-scope of Topic 606)	80	275	158	574
Noninterest Income (out-of-scope of Topic 606)	165,161	2,172	171,307	7,653
Risk Management and Shared Services | Insurance commissions and fees
Disaggregation of Revenue [Line Items]
Noninterest Income (in-scope of Topic 606)	3	3	6	7
Risk Management and Shared Services | Service charges and deposit account fees
Disaggregation of Revenue [Line Items]
Noninterest Income (in-scope of Topic 606)	4	14	10	32
Risk Management and Shared Services | Card-based fees(b)
Disaggregation of Revenue [Line Items]
Noninterest Income (in-scope of Topic 606)	47	48	94	97
Risk Management and Shared Services | Other revenue
Disaggregation of Revenue [Line Items]
Noninterest Income (in-scope of Topic 606)	26	210	49	438
Operating Segments [Member] | Corporate and Commercial Specialty
Disaggregation of Revenue [Line Items]
Total noninterest income	30,691	31,267	65,124	58,414
Operating Segments [Member] | Community, Consumer, and Business
Disaggregation of Revenue [Line Items]
Total noninterest income	58,557	62,123	116,207	120,398
Operating Segments [Member] | Risk Management and Shared Services
Disaggregation of Revenue [Line Items]
Total noninterest income	$ 165,242	$ 2,447	$ 171,465	$ 8,228

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Leases Lease, Cost and Cash Flows (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Leases [Abstract]
Operating Lease Costs	$ 2,631	$ 2,888	$ 5,254	$ 5,793
Finance Lease Costs	31	0	67	0
Operating Lease Cash Flows	2,700	2,762	5,432	5,570
Finance Lease Cash Flows	$ 21	$ 0	$ 42	$ 0

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Leases Components of Lease Expense (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Leases [Abstract]
Operating lease right-of-use asset	$ 39,674	$ 45,381
Finance lease right-of-use asset	1,154	2,188
Operating lease liability	43,377	49,292
Finance lease liability	$ 1,202	$ 2,209

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Leases Operating Lease Information (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Lessee, Lease, Description [Line Items]
Lessee, Operating Lease, Liability, Payments, Due	$ 48,961	$ 55,580
Operating Lease, Weighted Average Remaining Lease Term	6 years 7 months 9 days	6 years 9 months 29 days
Operating Lease, Weighted Average Discount Rate, Percent	3.31%	3.32%
Finance Lease, Liability, Payment, Due	$ 1,225	$ 4,827
Finance Lease, Weighted Average Remaining Lease Term	2 years 1 month 20 days	39 years 8 months 1 day
Finance Lease, Weighted Average Discount Rate, Percent	1.05%	3.99%
Equipment
Lessee, Lease, Description [Line Items]
Lessee, Operating Lease, Liability, Payments, Due	$ 5	$ 46
Operating Lease, Weighted Average Remaining Lease Term	8 months 8 days	9 months 29 days
Operating Lease, Weighted Average Discount Rate, Percent	2.72%	2.72%
Retail and corporate offices
Lessee, Lease, Description [Line Items]
Lessee, Operating Lease, Liability, Payments, Due	$ 42,293	$ 48,940
Operating Lease, Weighted Average Remaining Lease Term	6 years 2 months 19 days	6 years 5 months 26 days
Operating Lease, Weighted Average Discount Rate, Percent	3.35%	3.34%
Land
Lessee, Lease, Description [Line Items]
Lessee, Operating Lease, Liability, Payments, Due	$ 6,663	$ 6,594
Operating Lease, Weighted Average Remaining Lease Term	9 years 3 months 18 days	9 years 6 months 25 days
Operating Lease, Weighted Average Discount Rate, Percent	3.08%	3.21%
Finance Lease, Liability, Payment, Due	$ 1,225	$ 4,827
Finance Lease, Weighted Average Remaining Lease Term	2 years 1 month 20 days	39 years 8 months 1 day
Finance Lease, Weighted Average Discount Rate, Percent	1.05%	3.99%

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Leases Amortization of Operating Lease Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Operating Leases
Six Months Ending December 31, 2020	$ 3,065
2021	10,387
2022	8,066
2023	5,810
2024	5,108
Beyond 2024	16,526
Total lease payments	48,961	$ 55,580
Less: interest	5,584
Present value of lease payments	43,377	49,292
Finance Leases
Six Months Ending December 31, 2020	80
2021	172
2022	973
2023	0
2024	0
Beyond 2024	0
Total lease payments	1,225	4,827
Less: interest	23
Present value of lease payments	1,202	$ 2,209
Total Leases
Six Months Ending December 31, 2020	3,145
2021	10,559
2022	9,039
2023	5,810
2024	5,108
Beyond 2024	16,526
Total lease payments	50,187
Less: interest	5,607
Present value of lease payments	$ 44,579

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Leases (Details Textuals) - USD ($) $ in Millions	Jun. 30, 2020	Dec. 31, 2019
Lessee, Lease, Description [Line Items]
Additional operating leases	$ 18	$ 16
Minimum
Lessee, Lease, Description [Line Items]
Operating lease terms	1 year
Additional operating lease terms	3 years
Maximum
Lessee, Lease, Description [Line Items]
Operating lease terms	42 years
Additional operating lease terms	6 years