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: March 31, 2023

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

Commission file number: 001-31343

Associated Banc-Corp

(Exact name of registrant as specified in its charter)

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

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

(920) 491-7500

(Registrant’s telephone number, including area code)

(not applicable)

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

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

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

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

Yes  ☑        No  ☐

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

Yes  ☑        No  ☐

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

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

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

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

Yes  ☐        No  ☑

APPLICABLE ONLY TO CORPORATE ISSUERS:

The number of shares outstanding of registrant’s common stock, par value $0.01 per share, at April 24, 2023 was 150,890,583.

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	9
	Notes to Consolidated Financial Statements	11
	Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations	47
	Item 3. Quantitative and Qualitative Disclosures About Market Risk	70
	Item 4. Controls and Procedures	71
PART II. Other Information
	Item 1. Legal Proceedings	72
	Item 1A. Risk Factors	72
	Item 2. Unregistered Sales of Equity Securities and Use of Proceeds	74
	Item 6. Exhibits	75
	Signatures	76

2

ASSOCIATED BANC-CORP

Commonly Used Acronyms, Abbreviations, and Defined Terms

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

ABL	Asset-Based Lending
ACLL	Allowance for Credit Losses on Loans
AFS	Available for Sale
ALCO	Asset / Liability Committee
AOCI	Accumulated Other Comprehensive Income
ARRC	Alternative Reference Rate Committee
Associated / the Company / Corporation / our / we	Associated Banc-Corp collectively with all of its subsidiaries and affiliates
Associated Bank / the Bank	Associated Bank, National Association
ASU	Accounting Standards Update
Basel III	International framework established by the Basel Committee on Banking Supervision for the regulation of capital and liquidity
bp	basis point(s)
BTFP	Bank Term Funding Program
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
CRA	Community Reinvestment Act
CRE	Commercial Real Estate
DIF	Deposit Insurance Fund
EAR	Earnings at Risk
Exchange Act	Securities Exchange Act of 1934, as amended
FASB	Financial Accounting Standards Board
FDI Act	Federal Deposit Insurance Act
FDIC	Federal Deposit Insurance Corporation
Federal Reserve	Board of Governors of the Federal Reserve System
FFELP	Federal Family Education Loan Program
FHLB	Federal Home Loan Bank
FHLMC	Federal Home Loan Mortgage Corporation
FICO	Fair Isaac Corporation, provider of a broad-based risk score to aid in credit decisions
FNMA	Federal National Mortgage Association
FTEs	Full-time equivalent employees
FTP	Funds Transfer Pricing
GAAP	Generally Accepted Accounting Principles
GNMA	Government National Mortgage Association
GSEs	Government-Sponsored Enterprises
HQLA	High-Quality Liquid Assets
HTM	Held to Maturity
LIBOR	London Interbank Offered Rate
LOCOM	Lower of Cost or Market
LTV	Loan-to-Value
Moody's	Moody’s Investors Service
MSRs	Mortgage Servicing Rights
MVE	Market Value of Equity

3

Net Free Funds	Noninterest-bearing sources of funds
NII	Net Interest Income
NPAs	Nonperforming Assets
OCI	Other Comprehensive Income
OREO	Other Real Estate Owned
Parent Company	Associated Banc-Corp individually
RAP	Retirement Account Plan - the Corporation's noncontributory defined benefit retirement plan
Repurchase Agreements	Securities sold under agreements to repurchase
Restricted Stock Awards	Restricted common stock and restricted common stock units to certain key employees
Retirement Eligible Colleagues	Colleagues whose retirement meets the early retirement or normal retirement definitions under the applicable equity compensation plan
ROCET1	Return on Common Equity Tier 1
S&P	Standard & Poor's
SBA	Small Business Administration
SBNY	Signature Bank
SEC	U.S. Securities and Exchange Commission
Series E Preferred Stock	The Corporation's 5.875% Non-Cumulative Perpetual Preferred Stock, Series E, liquidation preference $1,000 per share
Series F Preferred Stock	The Corporation's 5.625% Non-Cumulative Perpetual Preferred Stock, Series F, liquidation preference $1,000 per share
SOFR	Secured Overnight Finance Rate
SVB	Silicon Valley Bank
TDRs	Troubled Debt Restructurings
YTD	Year-to-Date

4

PART I - FINANCIAL INFORMATION
ITEM 1.	Financial Statements:

ASSOCIATED BANC-CORP

Consolidated Balance Sheets

	Mar 31, 2023		Dec 31, 2022
(In thousands, except share and per share data)	(Unaudited)		(Audited)
Assets
Cash and due from banks	$	311,269	$	436,952
Interest-bearing deposits in other financial institutions	511,116		156,693
Federal funds sold and securities purchased under agreements to resell	455		27,810
AFS investment securities, at fair value	3,381,607		2,742,025
HTM investment securities, net, at amortized cost	3,967,058		3,960,398
Equity securities	30,514		25,216
Federal Home Loan Bank and Federal Reserve Bank stocks, at cost	331,420		295,496
Residential loans held for sale	35,742		20,383
Commercial loans held for sale	33,490		—
Loans	29,207,072		28,799,569
Allowance for loan losses	(326,432)		(312,720)
Loans, net	28,880,640		28,486,849
Tax credit and other investments	269,269		276,773
Premises and equipment, net	375,540		376,906
Bank and corporate owned life insurance	677,328		676,530
Goodwill	1,104,992		1,104,992
Other intangible assets, net	47,079		49,282
Mortgage servicing rights, net	74,479		77,351
Interest receivable	152,404		144,449
Other assets	518,115		547,621
Total assets	$	40,702,519	$	39,405,727
Liabilities and stockholders' equity
Noninterest-bearing demand deposits	$	7,328,689	$	7,760,811
Interest-bearing deposits	23,003,134		21,875,343
Total deposits	30,331,824		29,636,154
Federal funds purchased and securities sold under agreements to repurchase	208,398		585,139
Commercial paper	18,210		20,798
FHLB advances	4,986,138		4,319,861
Other long-term funding	544,103		248,071
Allowance for unfunded commitments	39,776		38,776
Accrued expenses and other liabilities	448,407		541,438
Total liabilities	$	36,576,856	$	35,390,237
Stockholders’ equity
Preferred equity	$	194,112	$	194,112
Common equity
Common stock	$	1,752	$	1,752
Surplus	1,706,206		1,712,733
Retained earnings	2,973,354		2,904,882
Accumulated other comprehensive (loss)	(233,588)		(272,799)
Treasury stock, at cost	(516,173)		(525,190)
Total common equity	3,931,551		3,821,378
Total stockholders’ equity	4,125,663		4,015,490
Total liabilities and stockholders’ equity	$	40,702,519	$	39,405,727
Preferred shares authorized (par value $1.00 per share)	750,000		750,000
Preferred shares issued and outstanding	200,000		200,000
Common shares authorized (par value $0.01 per share)	250,000,000		250,000,000
Common shares issued	175,216,409		175,216,409
Common shares outstanding	150,885,862		150,444,019

Numbers may not sum due to rounding.

See accompanying notes to consolidated financial statements.

5

Item 1. Financial Statements Continued:

ASSOCIATED BANC-CORP

Consolidated Statements of Income (Unaudited)

	Three Months Ended Mar 31,
(In thousands, except per share data)	2023		2022
Interest income
Interest and fees on loans	$	391,320	$	167,697
Interest and dividends on investment securities
Taxable	30,142		16,472
Tax-exempt	16,025		16,108
Other interest	5,329		1,993
Total interest income	442,817		202,270
Interest expense
Interest on deposits	109,422		3,571
Interest on federal funds purchased and securities sold under agreements to repurchase	3,143		38
Interest on other short-term funding	—		1
Interest on FHLB advances	49,960		8,182
Interest on long-term funding	6,281		2,730
Total interest expense	168,807		14,522
Net interest income	274,010		187,747
Provision for credit losses	17,971		(3,990)
Net interest income after provision for credit losses	256,039		191,737
Noninterest income
Wealth management fees	20,189		22,404
Service charges and deposit account fees	12,994		16,856
Card-based fees	10,586		9,926
Other fee-based revenue	4,276		3,766
Capital markets, net	5,083		8,646
Mortgage banking, net	3,545		8,391
Bank and corporate owned life insurance	2,664		2,071
Asset gains, net	263		188
Investment securities gains (losses), net	51		21
Other	2,422		2,198
Total noninterest income	62,073		74,467
Noninterest expense
Personnel	116,420		104,811
Technology	23,598		21,485
Occupancy	15,063		16,080
Business development and advertising	5,849		4,954
Equipment	4,930		4,960
Legal and professional	3,857		5,087
Loan and foreclosure costs	1,138		2,014
FDIC assessment	6,875		5,100
Other intangible amortization	2,203		2,203
Other	7,479		6,597
Total noninterest expense	187,412		173,292
Income before income taxes	130,700		92,912
Income tax expense	27,340		18,650
Net income	103,360		74,262
Preferred stock dividends	2,875		2,875
Net income available to common equity	$	100,485	$	71,387
Earnings per common share
Basic	$	0.67	$	0.48
Diluted	$	0.66	$	0.47
Average common shares outstanding
Basic	149,763		148,781
Diluted	151,128		150,492

Numbers may not sum due to rounding.

See accompanying notes to consolidated financial statements.

6

Item 1. Financial Statements Continued:

ASSOCIATED BANC-CORP

Consolidated Statements of Comprehensive Income (Unaudited)

	Three Months Ended Mar 31,
($ in thousands)	2023		2022
Net income	$	103,360	$	74,262
Other comprehensive income (loss), net of tax
AFS investment securities
Net unrealized gains (losses)	36,478		(103,284)
Unrealized (losses) on AFS securities transferred to HTM securities	—		(67,604)
Amortization of net unrealized losses on AFS securities transferred to HTM securities	2,267		1,108
Reclassification adjustment for net (gains) realized in net income	—		(21)
Income tax benefit (expense)	(9,892)		43,098
Other comprehensive income (loss) on AFS securities	28,853		(126,702)
Cash flow hedge derivatives
Net unrealized gains	13,763		—
Reclassification adjustment for net losses realized in net income	1,262		—
Income tax (expense)	(4,694)		—
Other comprehensive income on cash flow hedge derivatives	10,331		—
Defined benefit pension and postretirement obligations
Amortization of prior service cost	(81)		(81)
Amortization of actuarial loss	30		74
Income tax benefit	79		2
Other comprehensive income (loss) on pension and postretirement obligations	27		(6)
Total other comprehensive income (loss)	39,211		(126,708)
Comprehensive income (loss)	$	142,571	$	(52,445)

Numbers may not sum due to rounding.

See accompanying notes to consolidated financial statements.

7

Item 1. Financial Statements Continued:    

ASSOCIATED BANC-CORP

Consolidated Statements of Changes in Stockholders’ Equity (Unaudited)

(In thousands, except per share data)	Preferred Equity		Common Stock		Surplus		Retained Earnings		Accumulated Other Comprehensive  (Loss)		Treasury Stock		Total
Balance, December 31, 2022	$	194,112	$	1,752	$	1,712,733	$	2,904,882	$	(272,799)	$	(525,190)	$	4,015,490
Comprehensive income:
Net income	—		—		—		103,360		—		—		103,360
Other comprehensive income	—		—		—		—		39,211		—		39,211
Comprehensive income													142,571
Common stock issued:
Stock-based compensation plans, net	—		—		(12,612)		—		—		14,379		1,766
Purchase of treasury stock, stock-based compensation plans	—		—		—		—		—		(5,362)		(5,362)
Cash dividends:
Common stock, $0.21 per share	—		—		—		(32,013)		—		—		(32,013)
Preferred stock(a)	—		—		—		(2,875)		—		—		(2,875)
Stock-based compensation expense, net	—		—		6,086		—		—		—		6,086
Balance, March 31, 2023	$	194,112	$	1,752	$	1,706,206	$	2,973,354	$	(233,588)	$	(516,173)	$	4,125,663

Numbers may not sum due to rounding.

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

(In thousands, except per share data)	Preferred Equity		Common Stock		Surplus		Retained Earnings		Accumulated Other Comprehensive Income (Loss)		Treasury Stock		Total
Balance, December 31, 2021	$	193,195	$	1,752	$	1,713,851	$	2,672,601	$	(10,317)	$	(546,229)	$	4,024,853
Change in accounting principle(a)	—		—		—		1,713		—		—		1,713
Total stockholders' equity at beginning of period, as adjusted	193,195		1,752		1,713,851		2,674,314		(10,317)		(546,229)		4,026,566
Comprehensive (loss):
Net income	—		—		—		74,262		—		—		74,262
Other comprehensive (loss)	—		—		—		—		(126,708)		—		(126,708)
Comprehensive (loss)													(52,445)
Common stock issued:
Stock-based compensation plans, net	—		—		(11,911)		—		—		18,565		6,654
Purchase of treasury stock, stock-based compensation plans	—		—		—		—		—		(5,193)		(5,193)
Cash dividends:
Common stock, $0.20 per share	—		—		—		(30,583)		—		—		(30,583)
Preferred stock(b)	—		—		—		(2,875)		—		—		(2,875)
Stock-based compensation expense, net	—		—		6,164		—		—		—		6,164
Balance, March 31, 2022	$	193,195	$	1,752	$	1,708,104	$	2,715,118	$	(137,024)	$	(532,858)	$	3,948,287

Numbers may not sum due to rounding.

(a) MSRs at December 31, 2021 were carried at LOCOM. On January 1, 2022, the Corporation made the irrevocable election to account for MSRs at fair value.

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

See accompanying notes to consolidated financial statements.

8

Item 1. Financial Statements Continued:

ASSOCIATED BANC-CORP

Consolidated Statements of Cash Flows (Unaudited)

	Three Months Ended Mar 31,
($ in thousands)	2023		2022
Cash flows from operating activities
Net income	$	103,360	$	74,262
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for credit losses	17,971		(3,990)
Depreciation and amortization	11,425		11,680
Change in MSRs valuation	1,857		(9,451)
Amortization of other intangible assets	2,203		2,203
Amortization and accretion on earning assets, funding, and other, net	338		5,338
Net amortization of tax credit investments	8,574		8,535
(Gains) on sales of investment securities, net	—		(21)
Asset (gains), net	(263)		(188)
Loss on mortgage banking activities, net	251		4,183
Mortgage loans originated and acquired for sale	(69,254)		(252,113)
Proceeds from sales of mortgage loans held for sale	54,652		296,089
Changes in certain assets and liabilities:
(Increase) in interest receivable	(7,955)		(2,592)
(Decrease) increase in interest payable	14,775		(1,917)
(Decrease) in expense payable	(52,396)		(46,737)
(Decrease) increase in net derivative position	(42,403)		152,545
Net change in other assets and other liabilities	4,336		8,292
Net cash provided by operating activities	47,470		246,119
Cash flows from investing activities
Net (increase) in loans	(414,268)		(305,878)
Purchases of:
AFS securities	(681,386)		(409,076)
HTM securities	(41,524)		(135,301)
Federal Home Loan Bank and Federal Reserve Bank stocks and equity securities	(56,892)		(301)
Proceeds from:
Sales of AFS securities	—		734
Sale of Federal Home Loan Bank and Federal Reserve Bank stocks and equity securities	15,765		8
Prepayments, calls, and maturities of AFS securities	79,746		167,986
Prepayments, calls, and maturities of HTM securities	33,053		51,206
Sales, prepayments, calls, and maturities of other assets	10,115		18,012
Premises, equipment, and software, net of disposals	(13,898)		(17,141)
Net change in tax credit and alternative investments	(7,033)		(10,293)
Net cash (used in) investing activities	(1,076,322)		(640,045)
Cash flows from financing activities
Net increase (decrease) in deposits	695,723		(60,949)
Net increase (decrease) in short-term funding	(379,329)		45,098
Net increase in short-term FHLB advances	660,000		320,000
Repayment of long-term FHLB advances	(507)		(414,578)
Proceeds from long-term FHLB advances	115		11,506
Proceeds from issuance of long-term funding	292,740		—
(Repayment) proceeds of finance lease principal	(21)		399
Proceeds from issuance of common stock for stock-based compensation plans	1,766		6,654
Purchase of treasury stock, stock-based compensation plans	(5,362)		(5,193)
Cash dividends on common stock	(32,013)		(30,583)
Cash dividends on preferred stock	(2,875)		(2,875)
Net cash provided by (used in) financing activities	1,230,238		(130,521)
Net increase (decrease) in cash and cash equivalents	201,385		(524,447)
Cash and cash equivalents at beginning of period	621,455		1,025,515
Cash and cash equivalents at end of period(a)	$	822,840	$	501,068

Numbers may not sum due to rounding.

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

9

ASSOCIATED BANC-CORP

Consolidated Statements of Cash Flows (Unaudited)

	Three Months Ended Mar 31,
($ in thousands)	2023		2022
Supplemental disclosures of cash flow information
Cash paid for interest	$	153,760	$	16,267
Cash paid for (received from) income and franchise taxes	1,086		(1,471)
Loans and bank premises transferred to OREO	3,599		426
Capitalized mortgage servicing rights	474		3,042
Loans transferred into held for sale from portfolio, net	94		2,644
Transfer of AFS securities to HTM securities	—		1,621,990
Unsettled trades to purchase securities	—		4,246
Fair value adjustments on hedged long-term FHLB advances and subordinated debt	(10,724)		—
Fair value adjustment on cash flow hedge	10,331		—

10

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 2022 Annual Report on Form 10-K should be referred to in connection with the reading of these unaudited interim consolidated financial statements.

Note 1 Basis of Presentation

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

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

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

Note 2 Summary of Significant Accounting Policies

The accounting and reporting policies of the Corporation conform to U.S. GAAP and to general practice within the financial services industry. A discussion of these policies can be found in Note 1 Summary of Significant Accounting Policies included in the Corporation’s 2022 Annual Report on Form 10-K.

New Accounting Pronouncements Adopted

Standard	Description	Date of adoption	Effect on financial statements
ASU 2022-02 Financial Instruments-Credit Losses (Topic 326): Troubled Debt Restructurings and Vintage Disclosures	The FASB issued these amendments to eliminate accounting guidance for TDRs by creditors in Subtopic 310-40, Receivables-Troubled Debt Restructurings by Creditors, while enhancing disclosure requirements for certain loan refinancings and restructurings by creditors when a borrower is experiencing financial difficulty, and to require that an entity disclose current-period gross writeoffs by year of origination for financing receivables and net investments in leases within the scope of Subtopic 326-20, Financial Instruments-Credit Losses-Measured at Amortized Cost. The amendments in this Update are effective for fiscal years beginning after December 15, 2022, including interim periods within those fiscal years, and should be applied prospectively, except as provided in the next sentence. For the transition method related to the recognition and measurement of TDRs, an entity has the option to apply a modified retrospective transition method, resulting in a cumulative-effect adjustment to retained earnings in the period of adoption. Early adoption is permitted if an entity has adopted the amendments in Update 2016-03, including adoption in an interim period.	1st Quarter 2023	Adoption of this amendment did not have a material impact on the Corporation's results of operation, financial position or liquidity, but resulted in additional disclosure requirements related to gross charge offs by vintage year and the removal of TDR disclosures, replaced by additional disclosures on the types of modifications of loans to borrowers experiencing financial difficulties. The Corporation has adopted this update prospectively.

11

Future Accounting Pronouncements

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

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

Note 3 Earnings Per Common Share

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

	Three Months Ended Mar 31,
($ in thousands, except per share data)	2023		2022
Net income	$	103,360	$	74,262
Preferred stock dividends	(2,875)		(2,875)
Net income available to common equity	$	100,485	$	71,387
Common shareholder dividends	(31,808)		(30,372)
Unvested share-based payment awards	(205)		(211)
Undistributed earnings	$	68,472	$	40,804
Undistributed earnings allocated to common shareholders	$	68,086	$	40,548
Undistributed earnings allocated to unvested share-based payment awards	386		256
Undistributed earnings	$	68,472	$	40,804
Basic
Distributed earnings to common shareholders	$	31,808	$	30,372
Undistributed earnings allocated to common shareholders	68,086		40,548
Total common shareholders earnings, basic	$	99,894	$	70,920
Diluted
Distributed earnings to common shareholders	$	31,808	$	30,372
Undistributed earnings allocated to common shareholders	68,086		40,548
Total common shareholders earnings, diluted	$	99,894	$	70,920
Weighted average common shares outstanding	149,763		148,781
Effect of dilutive common stock awards	1,365		1,711
Diluted weighted average common shares outstanding	151,128		150,492
Basic earnings per common share	$	0.67	$	0.48
Diluted earnings per common share	$	0.66	$	0.47

Approximately 2 million anti-dilutive common stock options were excluded from the earnings per common share calculation for both the three months ended March 31, 2023 and 2022.

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Note 4 Stock-Based Compensation

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

A summary of the Corporation’s stock option activity for the three months ended March 31, 2023 is presented below:

Stock Options	Shares(a)	Weighted Average Exercise Price		Weighted Average Remaining Contractual Term	Aggregate Intrinsic Value(a)
Outstanding at December 31, 2022	3,994	$	21.06	5.11 years	$	10,525
Exercised	34	17.07
Forfeited or expired	—	—
Outstanding at March 31, 2023	3,960	$	21.10	4.87 years	$	1,039
Options Exercisable at March 31, 2023	3,746	$	21.27	4.75 years	$	887

(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 three months ended March 31, 2023, the intrinsic value of stock options exercised was approximately $219,000, compared to $3 million for the three months ended March 31, 2022. For the three months ended March 31, 2023, the total fair value of stock options vested was approximately $955,000 compared to $2 million for the three months ended March 31, 2022.

The Corporation recognized compensation expense for the vesting of stock options of approximately $108,000 for the three months ended March 31, 2023, compared to $241,000 for the three months ended March 31, 2022. At March 31, 2023, the Corporation had approximately $270,000 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 determined by the Compensation and Benefits Committee of the Corporation's Board of Directors, with vesting ranging from a minimum of 0% to a maximum of 150% of the target award. Performance awards are valued utilizing a Monte Carlo simulation model to estimate fair value of the awards at the grant date.

The following table summarizes information about the Corporation’s restricted stock awards activity for the three months ended March 31, 2023:

Restricted Stock	Shares(a)	Weighted Average Grant Date Fair Value
Outstanding at December 31, 2022	2,303	$	20.81
Granted	813	22.67
Vested	630	20.99
Forfeited	2	21.92
Outstanding at March 31, 2023	2,484	$	21.38

(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 2022 and 2023 will cliff-vest after the three year performance period has ended. Service-based restricted stock awards granted during 2022 and 2023 will vest ratably over a period of four years. Expense for restricted stock awards of $6 million was recorded for both the three months ended March 31, 2023 and the three months ended March 31, 2022. Included in compensation expense for the first three months of 2023 was $3 million of expense for the accelerated vesting of restricted stock awards granted to retirement eligible colleagues. The Corporation had $31 million of unrecognized compensation costs related to restricted stock awards at March 31, 2023 that are expected to be recognized over the remaining requisite service periods that extend predominately through the first quarter of 2027.

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, if any, will be based on market and investment opportunities, capital levels,

13

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 5 Investment Securities

Investment securities are designated as AFS, HTM, or equity on the consolidated balance sheets at the time of purchase. The amortized cost and fair values of AFS and HTM securities at March 31, 2023 were as follows:

($ in thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized (Losses)		Fair Value
AFS investment securities
U. S. Treasury securities	$	124,478	$	—	$	(12,735)	$	111,743
Agency securities	15,000		—		(1,271)		13,730
Obligations of state and political subdivisions (municipal securities)	230,673		291		(2,063)		228,902
Residential mortgage-related securities:
FNMA/FHLMC	1,768,846		260		(194,529)		1,574,578
GNMA	1,092,742		7,273		(4,427)		1,095,588
Commercial mortgage-related securities:
FNMA/FHLMC	18,952		—		(1,335)		17,618
GNMA	194,550		17		(5,101)		189,466
Asset backed securities:
FFELP	147,876		—		(4,791)		143,084
SBA	4,020		13		(50)		3,983
Other debt securities	3,000		—		(82)		2,918
Total AFS investment securities	$	3,600,137	$	7,854	$	(226,383)	$	3,381,607
HTM investment securities
U. S. Treasury securities	$	999	$	—	$	(51)	$	947
Obligations of state and political subdivisions (municipal securities)	1,720,177		4,888		(146,544)		1,578,521
Residential mortgage-related securities:
FNMA/FHLMC	981,065		30,284		(163,514)		847,835
GNMA	53,298		195		(2,897)		50,596
Private-label	361,170		11,242		(71,147)		301,265
Commercial mortgage-related securities:
FNMA/FHLMC	785,516		14,657		(156,369)		643,803
GNMA	64,859		502		(6,826)		58,536
Total HTM investment securities	$	3,967,083	$	61,768	$	(547,349)	$	3,481,502

14

The amortized cost and fair values of AFS and HTM securities at December 31, 2022 were as follows:

($ in thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized (Losses)		Fair Value
AFS investment securities
U. S. Treasury securities	$	124,441	$	—	$	(15,063)	$	109,378
Agency securities	15,000		—		(1,468)		13,532
Obligations of state and political subdivisions (municipal securities)	235,693		96		(5,074)		230,714
Residential mortgage-related securities:
FNMA/FHLMC	1,820,642		404		(216,436)		1,604,610
GNMA	502,537		314		(5,255)		497,596
Commercial mortgage-related securities:
FNMA/FHLMC	19,038		—		(1,896)		17,142
GNMA	115,031		—		(4,569)		110,462
Asset backed securities:
FFELP	157,138		—		(5,947)		151,191
SBA	4,512		15		(51)		4,477
Other debt securities	3,000		—		(78)		2,922
Total AFS investment securities	$	2,997,032	$	830	$	(255,837)	$	2,742,025
HTM investment securities
U. S. Treasury securities	$	999	$	—	$	(62)	$	936
Obligations of state and political subdivisions (municipal securities)	1,732,351		1,994		(182,697)		1,551,647
Residential mortgage-related securities:
FNMA/FHLMC	961,231		31,301		(175,760)		816,771
GNMA	52,979		85		(3,436)		49,628
Private-label	364,728		11,697		(72,920)		303,505
Commercial mortgage-related securities:
FNMA/FHLMC	778,796		15,324		(178,281)		615,839
GNMA	69,369		577		(7,254)		62,691
Total HTM investment securities	$	3,960,451	$	60,978	$	(620,411)	$	3,401,018

Expected maturities may differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties. The expected maturities of AFS and HTM securities at March 31, 2023, are shown below:

	AFS					HTM
($ in thousands)	Amortized Cost		Fair Value			Amortized Cost		Fair Value
Due in one year or less	$	6,773	$	6,768		$	14,358	$	14,350
Due after one year through five years	179,763		165,292			36,046		35,926
Due after five years through ten years	150,181		149,003			161,217		159,591
Due after ten years	36,434		36,229			1,509,554		1,369,602
Total debt securities	373,151		357,292			1,721,175		1,579,468
Residential mortgage-related securities:
FNMA/FHLMC	1,768,846		1,574,578			981,065		847,835
GNMA	1,092,742		1,095,588			53,298		50,596
Private-label	—		—			361,170		301,265
Commercial mortgage-related securities:
FNMA/FHLMC	18,952		17,618			785,516		643,803
GNMA	194,550		189,466			64,859		58,536
Asset backed securities:
FFELP	147,876		143,084			—		—
SBA	4,020		3,983			—		—
Total investment securities	$	3,600,137	$	3,381,607		$	3,967,083	$	3,481,502
Ratio of fair value to amortized cost			93.9		%			87.8		%

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On a quarterly basis, the Corporation refreshes the credit quality of each HTM security. The following table summarizes the credit quality indicators of HTM securities at amortized cost at March 31, 2023:

($ in thousands)	AAA		AA		A		Not Rated		Total
U. S. Treasury securities	$	999	$	—	$	—	$	—	$	999
Obligations of state and political subdivisions (municipal securities)	807,729		903,689		7,602		1,157		1,720,177
Residential mortgage-related securities:
FNMA/FHLMC	981,065		—		—		—		981,065
GNMA	53,298		—		—		—		53,298
Private-label	361,170		—		—		—		361,170
Commercial mortgage-related securities:
FNMA/FHLMC	785,516		—		—		—		785,516
GNMA	64,859		—		—		—		64,859
Total HTM securities	$	3,054,635	$	903,689	$	7,602	$	1,157	$	3,967,083

The following table summarizes the credit quality indicators of HTM securities at amortized cost at December 31, 2022:

($ in thousands)	AAA		AA		A		Not Rated		Total
U. S. Treasury securities	$	999	$	—	$	—	$	—	$	999
Obligations of state and political subdivisions (municipal securities)	806,529		917,059		7,604		1,158		1,732,351
Residential mortgage-related securities:
FNMA/FHLMC	961,231		—		—		—		961,231
GNMA	52,979		—		—		—		52,979
Private-label	364,728		—		—		—		364,728
Commercial mortgage-related securities:
FNMA/FHLMC	778,796		—		—		—		778,796
GNMA	69,369		—		—		—		69,369
Total HTM securities	$	3,034,630	$	917,059	$	7,604	$	1,158	$	3,960,451

The following table summarizes gross realized gains and losses on AFS securities, net write-up of equity securities, and proceeds from the sale of investment securities for the three months ended March 31, 2023 and 2022:

	Three Months Ended Mar 31,
($ in thousands)	2023		2022
Gross gains on AFS securities	$	—	$	21
Net write-up of equity securities	51		—
Investment securities gains (losses), net	$	51	$	21
Proceeds from sales of AFS investment securities	$	—	$	734

Investment securities with a carrying value of $2.2 billion and $2.3 billion at March 31, 2023 and December 31, 2022, respectively, were pledged as required to secure certain deposits or for other purposes.

Accrued interest receivable on HTM securities totaled $16 million and $19 million at March 31, 2023 and December 31, 2022, respectively. Accrued interest receivable on AFS securities totaled $12 million and $9 million at March 31, 2023 and December 31, 2022, respectively. Accrued interest receivable on both HTM and AFS securities is included in interest receivable on the consolidated balance sheets. There was no interest income reversed for investments going into nonaccrual at both March 31, 2023 and December 31, 2022.

A security is considered past due once it is 30 days past due under the terms of the agreement. At both March 31, 2023 and December 31, 2022, the Corporation had no past due HTM securities.

The allowance for credit losses on HTM securities was approximately $25,000 at March 31, 2023 and approximately $54,000 at December 31, 2022, attributable entirely to the Corporation's municipal securities, included in HTM investment securities, net, at amortized cost on the consolidated balance sheets. The Corporation also holds U.S. Treasury, municipal, and mortgage-related securities issued by the U.S. government or a GSE which are backed by the full faith and credit of the U.S. government and private-label residential mortgage-related securities that have credit enhancement which covers the first 15% of losses and, as a result, no allowance for credit losses has been recorded related to these securities.

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

	Less than 12 months					12 months or more					Total
($ in thousands)	Number of Securities	Unrealized (Losses)		Fair Value		Number of Securities	Unrealized (Losses)		Fair Value		Unrealized (Losses)		Fair Value
AFS investment securities
U.S. Treasury securities	—	$	—	$	—	7	$	(12,735)	$	111,743	$	(12,735)	$	111,743
Agency securities	—	—		—		1	(1,271)		13,730		(1,271)		13,730
Obligations of state and political subdivisions (municipal securities)	189	(1,025)		111,529		72	(1,037)		40,199		(2,063)		151,727
Residential mortgage-related securities:
FNMA/FHLMC	12	(3,619)		51,021		96	(190,909)		1,504,384		(194,529)		1,555,405
GNMA	23	(2,583)		294,212		9	(1,844)		33,128		(4,427)		327,340
Commercial mortgage-related securities:
FNMA/FHLMC	—	—		—		1	(1,335)		17,618		(1,335)		17,618
GNMA	13	(1,039)		100,585		29	(4,062)		74,665		(5,101)		175,250
Asset backed securities:
FFELP	—	—		—		15	(4,791)		143,084		(4,791)		143,084
SBA	2	(1)		331		6	(49)		1,755		(50)		2,087
Other debt securities	1	(31)		969		2	(51)		1,949		(82)		2,918
Total	240	$	(8,299)	$	558,647	238	$	(218,084)	$	1,942,255	$	(226,383)	$	2,500,901
HTM investment securities
U.S. Treasury securities	—	$	—	$	—	1	$	(51)	$	947	$	(51)	$	947
Obligations of state and political subdivisions (municipal securities)	311	(7,598)		454,461		400	(138,946)		614,842		(146,544)		1,069,304
Residential mortgage-related securities:
FNMA/FHLMC	63	(2,881)		75,386		50	(160,633)		762,280		(163,514)		837,666
GNMA	16	(168)		6,511		63	(2,729)		32,771		(2,897)		39,282
Private-label	—	—		—		18	(71,147)		301,265		(71,147)		301,265
Commercial mortgage-related securities:
FNMA/FHLMC	4	(473)		29,658		41	(155,897)		614,153		(156,369)		643,811
GNMA	—	—		—		14	(6,826)		58,536		(6,826)		58,536
Total	394	$	(11,120)	$	566,017	587	$	(536,229)	$	2,384,794	$	(547,349)	$	2,950,811

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For comparative purposes, the following represents gross unrealized losses and the related fair value of AFS and HTM securities, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position, at December 31, 2022:

	Less than 12 months					12 months or more					Total
($ in thousands)	Number of Securities	Unrealized (Losses)		Fair Value		Number of Securities	Unrealized (Losses)		Fair Value		Unrealized (Losses)		Fair Value
AFS investment securities
U.S. Treasury securities	—	$	—	$	—	7	$	(15,063)	$	109,378	$	(15,063)	$	109,378
Agency securities	—	—		—		1	(1,468)		13,532		(1,468)		13,532
Obligations of state and political subdivisions (municipal securities)	358	(5,066)		201,260		4	(8)		1,916		(5,074)		203,176
Residential mortgage-related securities:
FNMA/FHLMC	24	(31,266)		260,986		84	(185,170)		1,321,420		(216,436)		1,582,406
GNMA	23	(4,415)		220,276		2	(840)		11,096		(5,255)		231,372
Commercial mortgage-related securities:
FNMA/FHLMC	1	(1,896)		17,142		—	—		—		(1,896)		17,142
GNMA	33	(3,920)		101,036		4	(649)		9,426		(4,569)		110,462
Asset backed securities:
FFELP	3	(1,668)		44,304		12	(4,278)		106,887		(5,947)		151,191
SBA	2	(1)		417		6	(50)		2,057		(51)		2,474
Other debt securities	2	(30)		1,970		1	(49)		951		(78)		2,922
Total	446	$	(48,263)	$	847,391	121	$	(207,575)	$	1,576,665	$	(255,837)	$	2,424,055
HTM investment securities
U.S. Treasury securities	1	$	(62)	$	936	—	$	—	$	—	$	(62)	$	936
Obligations of state and political subdivisions (municipal securities)	771	(96,282)		1,079,216		156	(86,415)		231,022		(182,697)		1,310,238
Residential mortgage-related securities:
FNMA/FHLMC	79	(18,925)		143,201		22	(156,836)		671,570		(175,760)		814,770
GNMA	81	(3,436)		44,476		—	—		—		(3,436)		44,476
Private-label	3	(9,509)		58,733		15	(63,411)		244,772		(72,920)		303,505
Commercial mortgage-related securities:
FNMA/FHLMC	4	(3,814)		20,338		39	(174,467)		576,911		(178,281)		597,249
GNMA	8	(2,528)		34,612		6	(4,726)		28,080		(7,254)		62,691
Total	947	$	(134,556)	$	1,381,511	238	$	(485,855)	$	1,752,354	$	(620,411)	$	3,133,865

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

Based on the Corporation’s evaluation, management does not believe any unrealized losses at March 31, 2023 represent credit deterioration as these unrealized losses are primarily attributable to changes in interest rates and the current market conditions. The Corporation does not intend to sell, nor does it believe that it will be required to sell, the securities in an unrealized loss position before recovery of their amortized cost basis.

FHLB and Federal Reserve Bank stocks: The Corporation is required to maintain Federal Reserve Bank stock and FHLB stock as a member bank of both the Federal Reserve System and the FHLB, and in amounts as required by these institutions. These equity securities are “restricted” in that they can only be sold back to the respective institutions or another member institution at par. Therefore, they are less liquid than other marketable equity securities and their fair value is equal to amortized cost. The Corporation had FHLB stock of $245 million and $209 million at March 31, 2023 and December 31, 2022, respectively. The Corporation had Federal Reserve Bank stock of $87 million at both March 31, 2023 and December 31, 2022. Accrued interest receivable on FHLB stock totaled $4 million and $3 million at March 31, 2023 and December 31, 2022, respectively. There was approximately $776,000 of accrued interest receivable on Federal Reserve Bank Stock at March 31, 2023, and none at December 31, 2022. Accrued interest receivable on both FHLB stock and Federal Reserve Bank stock is included in interest receivable on the consolidated balance sheets.

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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 and other mutual funds. At both March 31, 2023 and December 31, 2022, the Corporation had equity securities with readily determinable fair values of $6 million.

Equity securities without readily determinable fair values: The Corporation's portfolio of equity securities without readily determinable fair values, which primarily consists of Visa Class B restricted shares and an investment in a private SBA loan fund, was carried at $24 million and $19 million at March 31, 2023 and December 31, 2022, respectively.

Note 6 Loans

The period end loan composition was as follows:

($ in thousands)	Mar 31, 2023		Dec 31, 2022
Asset-based lending & equipment finance	$	522,834	$	458,887
Commercial and industrial	9,346,947		9,300,567
Commercial real estate — owner occupied	1,050,236		991,722
Commercial and business lending	10,920,017		10,751,176
Commercial real estate — investor	5,094,249		5,080,344
Real estate construction	2,147,070		2,155,222
Commercial real estate lending	7,241,318		7,235,565
Total commercial	18,161,335		17,986,742
Residential mortgage	8,605,164		8,511,550
Auto finance	1,551,538		1,382,073
Home equity	609,787		624,353
Other consumer	279,248		294,851
Total consumer	11,045,737		10,812,828
Total loans	$	29,207,072	$	28,799,569

Accrued interest receivable on loans totaled $119 million at March 31, 2023, and $113 million at December 31, 2022, 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 was immaterial at both the three months ended March 31, 2023 and 2022.

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

					Term Loans Amortized Cost Basis by Origination Year(a)
($ in thousands)	Rev Loans Converted to Term(a)		Rev Loans Amortized Cost Basis		YTD 2023		2022		2021		2020		2019		Prior		Total
Asset-based lending & equipment finance:
Risk rating:
Pass	$	—	$	60,256	$	55,535	$	262,074	$	125,609	$	1,420	$	543	$	—	$	505,437
Potential Problem	—		—		—		1,396		—		16,000		—		—		17,396
Asset-based lending & equipment finance	$	—	$	60,256	$	55,535	$	263,471	$	125,609	$	17,420	$	543	$	—	$	522,834
Commercial and industrial:
Risk rating:
Pass	$	71	$	2,003,455	$	332,572	$	2,872,816	$	2,101,488	$	467,455	$	558,852	$	685,216	$	9,021,853
Special Mention	—		86,593		—		30,540		31,161		2,913		—		33,501		184,709
Potential Problem	128		39,951		6,145		34,388		27,494		4,675		132		4,865		117,650
Nonaccrual	9,500		—		—		4,707		9,500		8,528		—		—		22,735
Commercial and industrial	$	9,698	$	2,130,000	$	338,716	$	2,942,451	$	2,169,643	$	483,571	$	558,983	$	723,583	$	9,346,947
Commercial real estate - owner occupied:
Risk rating:
Pass	$	—	$	22,344	$	87,095	$	205,922	$	234,300	$	150,009	$	152,649	$	151,106	$	1,003,424
Special Mention	—		—		—		—		—		3,483		9,500		274		13,257
Potential Problem	—		—		2,812		877		11,651		4,064		518		12,156		32,077
Nonaccrual	8		—		8		1,470		—		—		—		—		1,478
Commercial real estate - owner occupied	$	8	$	22,344	$	89,914	$	208,269	$	245,950	$	157,555	$	162,667	$	163,536	$	1,050,236
Commercial and business lending:
Risk rating:
Pass	$	71	$	2,086,055	$	475,201	$	3,340,812	$	2,461,397	$	618,883	$	712,044	$	836,323	$	10,530,715
Special Mention	—		86,593		—		30,540		31,161		6,396		9,500		33,775		197,965
Potential Problem	128		39,951		8,956		36,661		39,145		24,739		649		17,021		167,124
Nonaccrual	9,508		—		8		6,177		9,500		8,528		—		—		24,213
Commercial and business lending	$	9,707	$	2,212,600	$	484,166	$	3,414,190	$	2,541,203	$	658,546	$	722,194	$	887,119	$	10,920,017
Commercial real estate - investor:
Risk rating:
Pass	$	—	$	118,873	$	324,298	$	1,506,258	$	1,375,935	$	612,765	$	489,024	$	411,246	$	4,838,398
Special Mention	—		—		18,454		92,149		22,247		8,225		—		—		141,075
Potential Problem	—		—		24,803		22,047		22,209		—		1,019		19,575		89,653
Nonaccrual	—		—		—		—		24,855		—		—		267		25,122
Commercial real estate - investor	$	—	$	118,873	$	367,555	$	1,620,454	$	1,445,246	$	620,991	$	490,042	$	431,088	$	5,094,249
Real estate construction:
Risk rating:
Pass	$	—	$	29,616	$	34,604	$	1,025,918	$	812,505	$	197,722	$	7,510	$	11,059	$	2,118,934
Special Mention	—		—		—		—		—		12,308		15,651		—		27,958
Nonaccrual	—		—		—		—		—		—		—		178		178
Real estate construction	$	—	$	29,616	$	34,604	$	1,025,918	$	812,505	$	210,030	$	23,160	$	11,237	$	2,147,070
Commercial real estate lending:
Risk rating:
Pass	$	—	$	148,489	$	358,901	$	2,532,176	$	2,188,440	$	810,487	$	496,533	$	422,305	$	6,957,332
Special Mention	—		—		18,454		92,149		22,247		20,533		15,651		—		169,033
Potential Problem	—		—		24,803		22,047		22,209		—		1,019		19,575		89,653
Nonaccrual	—		—		—		—		24,855		—		—		445		25,300
Commercial real estate lending	$	—	$	148,489	$	402,159	$	2,646,372	$	2,257,752	$	831,020	$	513,203	$	442,325	$	7,241,318
Total commercial:
Risk rating:
Pass	$	71	$	2,234,544	$	834,103	$	5,872,988	$	4,649,837	$	1,429,370	$	1,208,578	$	1,258,628	$	17,488,047
Special Mention	—		86,593		18,454		122,689		53,408		26,929		25,151		33,775		366,999
Potential Problem	128		39,951		33,760		58,708		61,354		24,739		1,668		36,596		256,776
Nonaccrual	9,508		—		8		6,177		34,355		8,528		—		445		49,513
Total commercial	$	9,707	$	2,361,089	$	886,324	$	6,060,562	$	4,798,955	$	1,489,566	$	1,235,396	$	1,329,444	$	18,161,335

20

					Term Loans Amortized Cost Basis by Origination Year(a)
($ in thousands)	Rev Loans Converted to Term(a)		Rev Loans Amortized Cost Basis		YTD 2023		2022		2021		2020		2019		Prior		Total
Residential mortgage:
Risk rating:
Pass	$	—	$	—	$	85,201	$	1,490,848	$	2,221,515	$	1,687,853	$	798,205	$	2,261,293	$	8,544,915
Special Mention	—		—		91		—		—		95		—		105		291
Potential Problem	—		—		45		216		548		—		551		323		1,684
Nonaccrual	—		—		279		7,384		4,101		8,394		4,356		33,760		58,274
Residential mortgage	$	—	$	—	$	85,616	$	1,498,448	$	2,226,164	$	1,696,342	$	803,113	$	2,295,481	$	8,605,164
Auto finance:
Risk rating:
Pass	$	—	$	—	$	239,138	$	1,208,658	$	98,290	$	299	$	1,020	$	388	$	1,547,793
Special Mention	—		—		—		1,168		141		—		—		—		1,310
Nonaccrual	—		—		—		1,952		474		—		9		—		2,436
Auto finance	$	—	$	—	$	239,138	$	1,211,778	$	98,906	$	299	$	1,029	$	388	$	1,551,538
Home equity:
Risk rating:
Pass	$	2,173	$	495,755	$	230	$	31,083	$	6,835	$	2,243	$	5,732	$	59,670	$	601,549
Special Mention	18		124		—		—		—		—		29		594		747
Potential Problem	14		—		14		196		—		—		34		—		244
Nonaccrual	388		20		—		303		106		131		252		6,434		7,246
Home equity	$	2,592	$	495,900	$	244	$	31,583	$	6,941	$	2,374	$	6,047	$	66,698	$	609,787
Other consumer:
Risk rating:
Pass	$	90	$	190,219	$	1,860	$	5,279	$	4,017	$	1,922	$	849	$	74,324	$	278,471
Special Mention	1		617		—		13		11		3		10		23		676
Nonaccrual	—		44		—		—		7		6		6		36		100
Other consumer	$	91	$	190,881	$	1,860	$	5,292	$	4,035	$	1,930	$	866	$	74,384	$	279,248
Total consumer:
Risk rating:
Pass	$	2,263	$	685,974	$	326,429	$	2,735,869	$	2,330,657	$	1,692,318	$	805,806	$	2,395,676	$	10,972,729
Special Mention	19		742		91		1,181		152		98		39		722		3,024
Potential Problem	14		—		59		413		548		—		585		323		1,928
Nonaccrual	388		65		279		9,639		4,688		8,530		4,624		40,231		68,056
Total consumer	$	2,683	$	686,781	$	326,858	$	2,747,101	$	2,336,046	$	1,700,946	$	811,054	$	2,436,951	$	11,045,737
Total loans:
Risk rating:
Pass	$	2,334	$	2,920,518	$	1,160,532	$	8,608,857	$	6,980,494	$	3,121,688	$	2,014,384	$	3,654,303	$	28,460,776
Special Mention	19		87,335		18,545		123,869		53,560		27,027		25,189		34,497		370,023
Potential Problem	141		39,951		33,818		59,120		61,903		24,739		2,253		36,919		258,704
Nonaccrual	9,896		65		287		15,816		39,044		17,058		4,624		40,675		117,569
Total loans	$	12,390	$	3,047,870	$	1,213,182	$	8,807,663	$	7,135,000	$	3,190,512	$	2,046,450	$	3,766,395	$	29,207,072

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

21

The following table presents loans by credit quality indicator by origination year at December 31, 2022:

					Term Loans Amortized Cost Basis by Origination Year(a)
($ in thousands)	Rev Loans Converted to Term(a)		Rev Loans Amortized Cost Basis		2022		2021		2020		2019		2018		Prior		Total
Asset-based lending & equipment finance:
Risk rating:
Pass	$	—	$	47,446	$	269,258	$	121,914	$	1,832	$	653	$	85	$	—	$	441,189
Potential Problem	—		—		1,448		—		16,250		—		—		—		17,698
Asset-based lending & equipment finance:	$	—	$	47,446	$	270,706	$	121,914	$	18,082	$	653	$	85	$	—	$	458,887
Commercial and industrial:
Risk rating:
Pass	$	1,423	$	1,891,331	$	2,976,288	$	2,245,094	$	566,001	$	572,467	$	330,557	$	432,906	$	9,014,644
Special Mention	—		93,209		3,411		23,607		—		—		19		32,497		152,744
Potential Problem	447		24,549		39,952		4,193		5,637		38,169		218		6,133		118,851
Nonaccrual	3,926		—		5,210		—		9,119		—		—		—		14,329
Commercial and industrial	$	5,796	$	2,009,089	$	3,024,861	$	2,272,895	$	580,757	$	610,636	$	330,794	$	471,535	$	9,300,567
Commercial real estate - owner occupied:
Risk rating:
Pass	$	—	$	12,447	$	211,645	$	225,627	$	163,965	$	160,370	$	73,487	$	97,420	$	944,961
Special Mention	—		—		—		—		1,136		1,491		9,713		—		12,339
Potential Problem	—		1,325		1,238		11,141		5,523		10,769		370		4,055		34,422
Commercial real estate - owner occupied	$	—	$	13,772	$	212,883	$	236,769	$	170,624	$	172,630	$	83,570	$	101,475	$	991,722
Commercial and business lending:
Risk rating:
Pass	$	1,423	$	1,951,224	$	3,457,191	$	2,592,636	$	731,798	$	733,490	$	404,129	$	530,326	$	10,400,794
Special Mention	—		93,209		3,411		23,607		1,136		1,491		9,732		32,497		165,083
Potential Problem	447		25,874		42,638		15,335		27,410		48,938		589		10,188		170,971
Nonaccrual	3,926		—		5,210		—		9,119		—		—		—		14,329
Commercial and business lending	$	5,796	$	2,070,307	$	3,508,450	$	2,631,578	$	769,463	$	783,919	$	414,449	$	573,010	$	10,751,176
Commercial real estate - investor:
Risk rating:
Pass	$	38,412	$	106,280	$	1,633,094	$	1,419,000	$	683,121	$	530,444	$	262,858	$	210,299	$	4,845,096
Special Mention	—		—		61,968		24,149		7,361		9,400		—		10,455		113,333
Potential Problem	—		—		16,147		21,303		27,635		1,333		19,017		7,099		92,535
Nonaccrual	—		—		2,177		25,668		—		—		—		1,535		29,380
Commercial real estate - investor	$	38,412	$	106,280	$	1,713,387	$	1,490,120	$	718,117	$	541,177	$	281,875	$	229,387	$	5,080,344
Real estate construction:
Risk rating:
Pass	$	—	$	29,892	$	900,593	$	913,107	$	241,230	$	12,062	$	2,226	$	9,775	$	2,108,885
Special Mention	—		—		—		—		12,174		33,087		—		—		45,261
Potential Problem	—		—		—		—		970		—		—		—		970
Nonaccrual	—		—		—		—		—		—		—		105		105
Real estate construction	$	—	$	29,892	$	900,593	$	913,107	$	254,374	$	45,149	$	2,226	$	9,880	$	2,155,222
Commercial real estate lending:
Risk rating:
Pass	$	38,412	$	136,173	$	2,533,687	$	2,332,107	$	924,351	$	542,505	$	265,083	$	220,073	$	6,953,981
Special Mention	—		—		61,968		24,149		19,535		42,487		—		10,455		158,595
Potential Problem	—		—		16,147		21,303		28,605		1,333		19,017		7,099		93,505
Nonaccrual	—		—		2,177		25,668		—		—		—		1,640		29,485
Commercial real estate lending	$	38,412	$	136,173	$	2,613,980	$	2,403,227	$	972,492	$	586,326	$	284,101	$	239,267	$	7,235,565

22

					Term Loans Amortized Cost Basis by Origination Year(a)
($ in thousands)	Rev Loans Converted to Term(a)		Rev Loans Amortized Cost Basis		2022		2021		2020		2019		2018		Prior		Total
Total commercial:
Risk rating:
Pass	$	39,835	$	2,087,396	$	5,990,879	$	4,924,743	$	1,656,149	$	1,275,996	$	669,213	$	750,399	$	17,354,774
Special Mention	—		93,209		65,379		47,756		20,671		43,978		9,732		42,952		323,677
Potential Problem	447		25,874		58,785		36,638		56,016		50,271		19,606		17,287		264,476
Nonaccrual	3,926		—		7,387		25,668		9,119		—		—		1,640		43,814
Total commercial	$	44,208	$	2,206,480	$	6,122,430	$	5,034,805	$	1,741,955	$	1,370,245	$	698,550	$	812,278	$	17,986,742
Residential mortgage:
Risk rating:
Pass	$	—	$	—	$	1,410,566	$	2,184,125	$	1,716,663	$	817,164	$	370,724	$	1,951,406	$	8,450,648
Special Mention	—		—		—		284		96		—		—		63		444
Potential Problem	—		—		455		71		—		738		29		685		1,978
Nonaccrual	—		—		8,506		3,851		6,219		3,744		5,014		31,145		58,480
Residential mortgage	$	—	$	—	$	1,419,527	$	2,188,332	$	1,722,979	$	821,645	$	375,768	$	1,983,299	$	8,511,550
Auto finance:
Risk rating:
Pass	$	—	$	—	$	1,271,205	$	106,102	$	333	$	1,267	$	446	$	61	$	1,379,414
Special Mention	—		—		1,052		118		—		—		—		—		1,170
Nonaccrual	—		—		1,149		331		—		9		—		—		1,490
Auto finance	$	—	$	—	$	1,273,406	$	106,551	$	333	$	1,276	$	446	$	61	$	1,382,073
Home equity:
Risk rating:
Pass	$	7,254	$	508,212	$	31,389	$	6,508	$	2,112	$	6,197	$	6,966	$	54,827	$	616,211
Special Mention	47		102		—		—		—		—		47		310		458
Potential Problem	—		15		—		—		—		34		2		146		197
Nonaccrual	1,590		—		306		102		131		307		319		6,322		7,487
Home equity	$	8,891	$	508,329	$	31,695	$	6,610	$	2,243	$	6,538	$	7,333	$	61,605	$	624,353
Other consumer:
Risk rating:
Pass	$	64	$	199,942	$	7,429	$	5,256	$	2,468	$	1,238	$	174	$	77,611	$	294,117
Special Mention	6		490		11		—		5		5		—		25		537
Nonaccrual	78		56		11		21		10		56		10		34		197
Other consumer	$	147	$	200,488	$	7,452	$	5,276	$	2,482	$	1,300	$	184	$	77,670	$	294,851
Total consumer:
Risk rating:
Pass	$	7,318	$	708,154	$	2,720,589	$	2,301,991	$	1,721,576	$	825,866	$	378,310	$	2,083,904	$	10,740,390
Special Mention	52		592		1,063		403		101		5		47		398		2,609
Potential Problem	—		15		455		71		—		772		31		831		2,175
Nonaccrual	1,668		56		9,973		4,304		6,360		4,116		5,343		37,501		67,654
Total consumer	$	9,038	$	708,817	$	2,732,080	$	2,306,769	$	1,728,037	$	830,759	$	383,731	$	2,122,635	$	10,812,828
Total loans:
Risk rating:
Pass	$	47,152	$	2,795,551	$	8,711,468	$	7,226,734	$	3,377,725	$	2,101,861	$	1,047,522	$	2,834,303	$	28,095,164
Special Mention	52		93,801		66,443		48,159		20,772		43,983		9,778		43,350		326,286
Potential Problem	447		25,889		59,240		36,709		56,016		51,043		19,637		18,118		266,651
Nonaccrual	5,595		56		17,360		29,972		15,479		4,116		5,343		39,141		111,467
Total loans	$	53,246	$	2,915,297	$	8,854,510	$	7,341,574	$	3,469,992	$	2,201,004	$	1,082,280	$	2,934,912	$	28,799,569

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

23

The following table presents gross charge offs by origination year at March 31, 2023:

			Gross Charge Offs by Origination Year
($ in thousands)	Rev Loans Amortized Cost Basis		YTD 2023		2022		2021		2020		2019		Prior		Total
Commercial and industrial	$	823	$	—	$	—	$	—	$	—	$	—	$	2,152	$	2,975
Commercial and business lending	823		—		—		—		—		—		2,152		2,975
Total commercial	823		—		—		—		—		—		2,152		2,975
Residential mortgage	—		—		107		19		8		2		32		168
Auto finance	—		—		922		181		—		—		—		1,103
Home equity	—		—		43		14		—		22		33		111
Other consumer	916		—		117		49		9		5		48		1,144
Total consumer	916		—		1,189		263		17		29		112		2,525
Total gross charge offs	$	1,739	$	—	$	1,189	$	263	$	17	$	29	$	2,264	$	5,501

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

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

Loans are considered past due if the required principal and interest payments have not been received as of the date such payments were due. Special mention credits have potential weaknesses that warrant specific attention from management. If left uncorrected, these potential weaknesses may result in deterioration of the repayment prospects for the credit. Accruing loan modifications could be pass or special mention, depending on the risk rating on the loan. 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 loan modification, 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 credits, which are performing rated credits, are generally reviewed on an annual basis or more frequently if the loan renewal is less than one year or if otherwise warranted.

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

	Accruing
($ in thousands)	Current		30-59 Days Past Due		60-89 Days Past Due		90+ Days Past Due		Nonaccrual(a)(b)		Total
Asset-based lending & equipment finance	$	522,834	$	—	$	—	$	—	$	—	$	522,834
Commercial and industrial	9,319,650		4,110		130		323		22,735		9,346,947
Commercial real estate - owner occupied	1,045,803		2,955		—		—		1,478		1,050,236
Commercial and business lending	10,888,287		7,065		130		323		24,213		10,920,017
Commercial real estate - investor	5,069,126		—		—		—		25,122		5,094,249
Real estate construction	2,146,892		—		—		—		178		2,147,070
Commercial real estate lending	7,216,018		—		—		—		25,300		7,241,318
Total commercial	18,104,305		7,065		130		323		49,513		18,161,335
Residential mortgage	8,539,264		7,430		196		—		58,274		8,605,164
Auto finance	1,540,463		7,330		1,310		—		2,436		1,551,538
Home equity	598,427		3,366		747		—		7,246		609,787
Other consumer	276,045		976		747		1,380		100		279,248
Total consumer	10,954,199		19,102		3,000		1,380		68,056		11,045,737
Total loans	$	29,058,504	$	26,167	$	3,130	$	1,703	$	117,569	$	29,207,072

(a) Of the total nonaccrual loans, $78 million, or 66%, were current with respect to payment at March 31, 2023.

(b) No interest income was recognized on nonaccrual loans for the three months ended March 31, 2023. In addition, there were $15 million of nonaccrual loans for which there was no related ACLL at March 31, 2023.

24

The following table presents loans by past due status at December 31, 2022:

	Accruing
($ in thousands)	Current		30-59 Days Past Due		60-89 Days Past Due		90+ Days  Past Due		Nonaccrual(a)(b)		Total
Asset-based lending & equipment finance	$	458,887	$	—	$	—	$	—	$	—	$	458,887
Commercial and industrial	9,279,674		716		5,566		282		14,329		9,300,567
Commercial real estate - owner occupied	991,493		218		12		—		—		991,722
Commercial and business lending	10,730,053		934		5,578		282		14,329		10,751,176
Commercial real estate - investor	5,049,897		1,067		—		—		29,380		5,080,344
Real estate construction	2,155,077		39		—		—		105		2,155,222
Commercial real estate lending	7,204,975		1,105		—		—		29,485		7,235,565
Total commercial	17,935,028		2,040		5,578		282		43,814		17,986,742
Residential mortgage	8,443,072		9,811		63		124		58,480		8,511,550
Auto finance	1,371,176		8,238		1,170		—		1,490		1,382,073
Home equity	611,259		5,149		458		—		7,487		624,353
Other consumer	291,722		1,018		592		1,322		197		294,851
Total consumer	10,717,229		24,216		2,283		1,446		67,654		10,812,828
Total loans	$	28,652,257	$	26,256	$	7,861	$	1,728	$	111,467	$	28,799,569

(a) Of the total nonaccrual loans, $64 million, or 58%, were current with respect to payment at December 31, 2022.

(b) No interest income was recognized on nonaccrual loans for the year ended December 31, 2022. In addition, there were $11 million of nonaccrual loans for which there was no related ACLL at December 31, 2022.

Loan Modifications and Troubled Debt Restructurings

Under ASU 2022-02, effective January 1, 2023, loan modifications are reported if concessions have been granted to borrowers that are experiencing financial difficulty. Information on these loan modifications originated after the effective date is presented according to the new accounting guidance. Reporting periods prior to the adoption of ASU 2022-02 present information on TDRs under the previous disclosure requirements.

The following tables show the composition of loan modifications made to borrowers experiencing financial difficulty by the loan portfolio and type of concessions granted during the three months ended March 31, 2023. Each of the types of concessions granted comprised less than 1% of their respective classes of loan portfolios at March 31, 2023.

	Interest Rate Concession
($ in thousands)	Amortized Cost
Commercial and industrial	$	47
Auto	61
Home equity	31
Other consumer	498
Total loans modified	$	637

	Term Extension
($ in thousands)	Amortized Cost
Residential mortgage	$	209
Total loans modified	$	209

	Combination - Interest Rate Concession and Term Extension
($ in thousands)	Amortized Cost
Residential mortgage	$	165
Home equity	93
Total loans modified	$	258

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The following tables summarize, by loan portfolio, the financial effect of the Corporation's loan modifications on the modified loans as of March 31, 2023:

Interest Rate Concession
Loan Type	Financial Effect, Weighted Average Contractual Interest Rate (Decrease) Increase(a)
Commercial and industrial	(16)	%
Auto	(2)	%
Home equity	1	%
Other consumer	(20)	%
Total loans modified(b)	(17)	%

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

(b) During the three months ended March 31, 2023, interest rate concessions changed the weighted average interest rate on modified loans from 22% to 5%, which primarily consisted of credit cards.

Term Extension
Loan Type	Financial Effect, Weighted Average Term Increase(a)
Residential mortgage	26 months
Total loans modified	26 months

(a) During the three months ended March 31, 2023, term extensions changed the weighted average term on modified loans from 334 months to 360 months.

The Corporation closely monitors the performance of loans that are modified to borrowers experiencing financial difficulty to understand the effectiveness of its modification efforts. The following table depicts the performance of loans that have been modified in the last three months at March 31, 2023:

	Payment Status (Amortized Cost Basis)
($ in thousands)	Current		30-89 Days Past Due		90+ Days Past Due		Nonaccrual
Commercial and industrial	$	47	$	—	$	—	$	—
Residential mortgage	126		—		—		248
Auto	61		—		—		—
Home equity	31		—		—		93
Other consumer	498		—		—		—
Total loans modified	$	763	$	—	$	—	$	341

The following table provides the amortized cost of loan modifications by loan portfolio and type of concession that were modified in the previous three months and subsequently had a payment default, as of March 31, 2023:

	Amortized Cost of Loan Modifications that Subsequently Defaulted
($ in thousands)	Interest Rate Concession		Term Extension		Combination Interest Rate Reduction and Term Extension
Home equity	$	—	$	—	$	60

The following table presents nonaccrual and performing restructured loans by loan portfolio at December 31, 2022:

($ in thousands)	Performing Restructured Loans		Nonaccrual Restructured Loans(a)
Commercial and industrial	$	12,453	$	—
Commercial real estate — owner occupied	316		—
Commercial real estate — investor	128		2,074
Real estate construction	195		9
Residential mortgage	16,829		17,117
Home equity	2,148		927
Other consumer	798		—
Total restructured loans	$	32,868	$	20,127

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

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The following table provides the number of loans modified in a TDR by loan portfolio, the recorded investment, and unpaid principal balance for the three months ended March 31, 2022:

($ in thousands)	Number of Loans	Recorded Investment(a)		Unpaid Principal Balance(b)
Residential mortgage	24	$	6,421	$	6,502
Home equity	3	80		101
Total loans modified	27	$	6,500	$	6,603

(a) Represents post-modification outstanding recorded investment.
(b) Represents pre-modification outstanding recorded investment.

During the three months ended March 31, 2022, restructured loan modifications of commercial loans primarily included maturity date extensions and payment schedule modifications. Restructured loan modifications of consumer loans for the three months ended March 31, 2022 primarily included maturity date extensions, interest rate concessions, non-reaffirmed Chapter 7 bankruptcies, or a combination of these concessions.

The following table provides the number of loans modified during the previous twelve months which subsequently defaulted during the three months ended March 31, 2022, and the recorded investment in these restructured loans at the time of default as of March 31, 2022:

	Three Months Ended March 31, 2022
($ in thousands)	Number of Loans	Recorded Investment
Residential mortgage	1	$	884

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

Allowance for Credit Losses on Loans

The ACLL is comprised of the allowance for loan losses and the allowance for unfunded commitments. The level of the ACLL represents management’s estimate of an amount appropriate to provide for expected lifetime credit losses in the loan portfolio at the balance sheet date. The expected lifetime credit losses are the product of multiplying the Corporation's estimates of probability of default, loss given default, and the individual loan level exposure at default on an undiscounted basis. A main factor in the determination of the ACLL is the economic forecast. The forecast the Corporation used for March 31, 2023 was the Moody's baseline scenario from February 2023, which was reviewed against the March 2023 baseline scenario with no material updates made, over a 2 year reasonable and supportable period with straight-line reversion to the historical losses over the second year of the period. The allowance for unfunded commitments is maintained at a level believed by management to be sufficient to absorb expected lifetime losses related to unfunded credit facilities (including unfunded loan commitments and letters of credit). See Note 11 for additional information on the change in the allowance for unfunded commitments.

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

($ in thousands)	Dec 31, 2022		Charge offs		Recoveries		Net Charge offs		Provision for credit losses		Mar 31, 2023		ACLL / Loans
Allowance for loan losses
Asset-based lending & equipment finance	$	6,564	$	—	$	—	$	—	$	2	$	6,566
Commercial and industrial	112,512		(2,975)		1,216		(1,759)		6,930		117,683
Commercial real estate — owner occupied	9,475		—		3		3		785		10,263
Commercial and business lending	128,551		(2,975)		1,219		(1,756)		7,717		134,512
Commercial real estate — investor	54,398		—		—		—		412		54,809
Real estate construction	45,589		—		18		18		3,946		49,552
Commercial real estate lending	99,986		—		18		18		4,357		104,362
Total commercial	228,538		(2,975)		1,237		(1,738)		12,075		238,874
Residential mortgage	38,298		(168)		114		(53)		851		39,096
Auto finance	19,619		(1,103)		147		(957)		3,531		22,193
Home equity	14,875		(111)		451		340		(442)		14,774
Other consumer	11,390		(1,144)		263		(881)		986		11,495
Total consumer	84,182		(2,525)		975		(1,550)		4,925		87,557
Total loans	$	312,720	$	(5,501)	$	2,212	$	(3,289)	$	17,000	$	326,432
Allowance for unfunded commitments
Asset-based lending & equipment finance	$	601	$	—	$	—	$	—	$	(103)	$	498
Commercial and industrial	12,396		—		—		—		(123)		12,273
Commercial real estate — owner occupied	103		—		—		—		146		249
Commercial and business lending	13,101		—		—		—		(80)		13,020
Commercial real estate — investor	710		—		—		—		159		868
Real estate construction	20,583		—		—		—		963		21,546
Commercial real estate lending	21,292		—		—		—		1,122		22,414
Total commercial	34,393		—		—		—		1,041		35,435
Home equity	2,699		—		—		—		(8)		2,691
Other consumer	1,683		—		—		—		(34)		1,650
Total consumer	4,382		—		—		—		(41)		4,341
Total loans	$	38,776	$	—	$	—	$	—	$	1,000	$	39,776
Allowance for credit losses on loans
Asset-based lending & equipment finance	$	7,165	$	—	$	—	$	—	$	(102)	$	7,063	1.35	%
Commercial and industrial	124,908		(2,975)		1,216		(1,759)		6,808		129,957		1.39	%
Commercial real estate — owner occupied	9,579		—		3		3		931		10,513		1.00	%
Commercial and business lending	141,652		(2,975)		1,219		(1,756)		7,637		147,533		1.35	%
Commercial real estate — investor	55,108		—		—		—		570		55,678		1.09	%
Real estate construction	66,171		—		18		18		4,909		71,098		3.31	%
Commercial real estate lending	121,279		—		18		18		5,479		126,776		1.75	%
Total commercial	262,931		(2,975)		1,237		(1,738)		13,116		274,309		1.51	%
Residential mortgage	38,298		(168)		114		(53)		851		39,096		0.45	%
Auto finance	19,619		(1,103)		147		(957)		3,531		22,193		1.43	%
Home equity	17,574		(111)		451		340		(449)		17,465		2.86	%
Other consumer	13,073		(1,144)		263		(881)		952		13,145		4.71	%
Total consumer	88,565		(2,525)		975		(1,550)		4,884		91,898		0.83	%
Total loans	$	351,496	$	(5,501)	$	2,212	$	(3,289)	$	18,000	$	366,208	1.25	%

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The following table presents a summary of the changes in the ACLL by portfolio segment for the year ended December 31, 2022:

($ in thousands)	Dec 31, 2021		Charge offs		Recoveries		Net Charge offs		Provision for credit losses		Dec 31, 2022		ACLL / Loans
Allowance for loan losses
Asset-based lending & equipment finance	$	4,182	$	—	$	—	$	—	$	2,382	$	6,564
Commercial and industrial	85,675		(4,491)		5,282		791		26,047		112,512
Commercial real estate — owner occupied	11,473		—		13		13		(2,011)		9,475
Commercial and business lending	101,330		(4,491)		5,295		804		26,418		128,551
Commercial real estate — investor	72,803		(50)		50		—		(18,405)		54,398
Real estate construction	37,643		(48)		106		58		7,887		45,589
Commercial real estate lending	110,446		(98)		156		58		(10,518)		99,986
Total commercial	211,776		(4,588)		5,451		862		15,900		228,538
Residential mortgage	40,787		(567)		908		341		(2,830)		38,298
Auto finance	1,999		(1,041)		98		(943)		18,563		19,619
Home equity	14,011		(587)		1,385		798		66		14,875
Other consumer	11,441		(3,363)		1,010		(2,353)		2,301		11,390
Total consumer	68,239		(5,558)		3,401		(2,157)		18,100		84,182
Total loans	$	280,015	$	(10,146)	$	8,852	$	(1,294)	$	34,000	$	312,720
Allowance for unfunded commitments
Asset-based lending & equipment finance	$	857	$	—	$	—	$	—	$	(256)	$	601
Commercial and industrial	17,601		—		—		—		(5,205)		12,396
Commercial real estate — owner occupied	208		—		—		—		(105)		103
Commercial and business lending	18,667		—		—		—		(5,566)		13,101
Commercial real estate — investor	936		—		—		—		(226)		710
Real estate construction	15,586		—		—		—		4,997		20,583
Commercial real estate lending	16,522		—		—		—		4,770		21,292
Total commercial	35,189		—		—		—		(796)		34,393
Home equity	2,592		—		—		—		107		2,699
Other consumer	1,995		—		—		—		(311)		1,683
Total consumer	4,587		—		—		—		(204)		4,382
Total loans	$	39,776	$	—	$	—	$	—	$	(1,000)	$	38,776
Allowance for credit losses on loans
Asset-based lending & equipment finance	$	5,040	$	—	$	—	$	—	$	2,125	$	7,165	1.56	%
Commercial and industrial	103,276		(4,491)		5,282		791		20,842		124,908		1.34	%
Commercial real estate — owner occupied	11,681		—		13		13		(2,115)		9,579		0.97	%
Commercial and business lending	119,997		(4,491)		5,295		804		20,852		141,652		1.32	%
Commercial real estate — investor	73,739		(50)		50		—		(18,631)		55,108		1.08	%
Real estate construction	53,229		(48)		106		58		12,884		66,171		3.07	%
Commercial real estate lending	126,968		(98)		156		58		(5,748)		121,279		1.68	%
Total commercial	246,965		(4,588)		5,451		862		15,104		262,931		1.46	%
Residential mortgage	40,787		(567)		908		341		(2,830)		38,298		0.45	%
Auto finance	1,999		(1,041)		98		(943)		18,563		19,619		1.42	%
Home equity	16,603		(587)		1,385		798		173		17,574		2.81	%
Other consumer	13,436		(3,363)		1,010		(2,353)		1,990		13,073		4.43	%
Total consumer	72,825		(5,558)		3,401		(2,157)		17,896		88,565		0.82	%
Total loans	$	319,791	$	(10,146)	$	8,852	$	(1,294)	$	33,000	$	351,496	1.22	%

Note 7 Goodwill and Other Intangible Assets

Goodwill

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

The Corporation conducted its most recent annual impairment testing in May 2022, utilizing a qualitative assessment. Factors that management considered in this assessment included macroeconomic conditions, industry and market considerations, overall financial performance of the Corporation and each reporting unit (both current and projected), changes in management

29

strategy, and changes in the composition or carrying amount of net assets. In addition, management considered the changes in both the Corporation's common stock price and in the overall bank common stock index (based on the S&P 400 Regional Bank Sub-Industry Index), as well as the Corporation's earnings per common share trend over the past year. Based on these assessments, management concluded that it is more likely than not that the estimated fair value exceeded the carrying value (including goodwill) for each reporting unit. Therefore, a step one quantitative analysis was not required. There have been no events since the May 2022 impairment test that have changed the Corporation's impairment assessment conclusion. There were no impairment charges recorded in 2022 or the first three months of 2023.

The Corporation had goodwill of $1.1 billion at both March 31, 2023 and December 31, 2022.

Core Deposit Intangibles

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

($ in thousands)	Three Months Ended March 31, 2023		Year Ended Dec 31, 2022
Core deposit intangibles
Gross carrying amount at the beginning of period	$	88,109	$	88,109
Accumulated amortization	(41,030)		(38,827)
Net book value	$	47,079	$	49,282
Amortization during the period	$	2,203	$	8,811

Mortgage Servicing Rights

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

A summary of changes in the balance of the MSRs asset under the fair value measurement method for the three months ended March 31, 2023 and the year ended December 31, 2022 is as follows:

($ in thousands)	Three Months Ended March 31, 2023			Year Ended Dec 31, 2022
Mortgage servicing rights
Mortgage servicing rights at beginning of period	$	77,351		$	54,862
Cumulative effect of accounting methodology change	N/A			2,296
Balance at beginning of period, adjusted	$	77,351		$	57,158
Additions	474			7,279
Paydowns	(1,489)			(9,350)
Valuation:
Change in fair value model assumptions	—			5,715
Changes in fair value of asset	(1,857)			16,549
Mortgage servicing rights at end of period	$	74,479		$	77,351
Portfolio of residential mortgage loans serviced for others (“servicing portfolio”)	$	6,611,770		$	6,711,820
Mortgage servicing rights to servicing portfolio	1.13		%	1.15		%

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The projections of amortization expense for CDIs and decay for MSRs are based on existing asset balances, the current interest rate environment, and prepayment speeds as of March 31, 2023. The actual expense the Corporation recognizes in any given period may be significantly different depending upon acquisition or sale activities, changes in interest rates, prepayment speeds, market conditions, regulatory requirements, and events or circumstances that indicate the carrying amount of an asset may not be recoverable. The following table shows the estimated future amortization expense for CDIs and decay for MSRs:

($ in thousands)	Core Deposit Intangibles		Mortgage Servicing Rights
Nine months ended December 31, 2023	$	6,608	$	9,713
2024	8,811		12,079
2025	8,811		10,382
2026	8,811		8,924
2027	8,811		7,518
2028	3,485		6,564
Beyond 2028	1,742		19,299
Total estimated amortization expense and MSRs decay	$	47,079	$	74,479

Note 8 Short and Long-Term Funding

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

($ in thousands)	Mar 31, 2023		Dec 31, 2022
Short-term funding
Federal funds purchased	$	350	$	344,170
Securities sold under agreements to repurchase	208,048		240,969
Federal funds purchased and securities sold under agreements to repurchase	208,398		585,139
Commercial paper	18,210		20,798
Total short-term funding	$	226,608	$	605,937
Long-term funding
Corporation subordinated notes, at par	$	550,000	$	250,000
Discount and capitalized costs	(8,513)		(544)
Subordinated debt fair value hedge(a)	2,168		(1,855)
Finance leases	448		469
Total long-term funding	$	544,103	$	248,071
Total short and long-term funding, excluding FHLB advances	$	770,711	$	854,007
FHLB advances
Short-term FHLB advances	$	3,785,000	$	3,125,000
Long-term FHLB advances	1,208,745		1,209,170
FHLB advances fair value hedge(a)	(7,607)		(14,308)
Total FHLB advances	$	4,986,138	$	4,319,861
Total short and long-term funding	$	5,756,849	$	5,173,869

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

Securities Sold Under Agreements to Repurchase

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

The Corporation utilizes repurchase agreements to facilitate the needs of its customers. The fair value of securities pledged to secure repurchase agreements may decline. At March 31, 2023, the Corporation had pledged securities valued at 157% of the gross outstanding balance of repurchase agreements to manage this risk.

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The remaining contractual maturity of the securities sold under agreements to repurchase on the consolidated balance sheets as of March 31, 2023 and December 31, 2022 are presented in the following table:

	Overnight and Continuous
($ in thousands)	Mar 31, 2023		Dec 31, 2022
Repurchase agreements
Agency mortgage-related securities	$	208,048	$	240,969

Long-Term Funding

Subordinated Notes 

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

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

Finance Leases

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

Note 9 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 values 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 $106 million and $92 million of investment securities as collateral at March 31, 2023 and December 31, 2022, respectively. Cash is often pledged as collateral for derivatives that are not centrally cleared. The Corporation's required cash collateral was approximately $610,000 at March 31, 2023, compared to $3 million at December 31, 2022.

Federal regulations require the Corporation to clear all LIBOR and compound SOFR 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 and the London Clearing House 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 its fixed-rate debt due to changes in benchmark interest rates. The Corporation uses interest rate swaps to manage its exposure to changes in fair value on these instruments attributable to changes in the designated benchmark interest rates. Interest rate swaps designated as fair value hedges involve receiving payment of

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fixed-rate amounts from a counterparty in exchange for the Corporation paying 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, as allowed under U.S. GAAP, we applied the "shortcut" method of accounting, which permits the assumption of perfect effectiveness. The gain or loss on the derivative as well as the offsetting loss or gain on the hedged item attributable to the hedged risk are recognized in interest expense. These items, along with the net interest from the derivative, are reported in the same income statement line as the fixed-rate debt expense.

Cash Flow Hedges of Interest Rate Risk

The Corporation is exposed to variability in cash flows on its floating rate assets due to changes in benchmark interest rates. The Corporation uses interest rate swaps to hedge certain forecasted transactions for the variability in cash flows attributable to the contractually specified interest rate in order to add stability to net interest income and to manage its exposure to interest rate movements. Interest rate swaps designated as cash flow hedges involve receiving fixed-rate amounts from a counterparty in exchange for the Corporation making variable-rate payments over the life of the agreements without the exchange of the underlying notional amount. These items, along with the net interest from the derivative, are reported in the same income statement line as the interest income from the floating-rate assets.

When the relationship between the hedged item and hedging instrument is highly effective at achieving offsetting changes in cash flows attributable to the hedged risk, changes in the fair value of these cash flow hedges are recorded in accumulated other comprehensive income (loss) and are subsequently reclassified to interest income as interest payments are made on such variable rate loans.

Derivatives to Accommodate Customer Needs

The Corporation 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 and foreign currency. 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) and foreign currency exchange forwards. See Note 10 for additional information and disclosures on balance sheet offsetting.

Interest rate-related and other 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. The Corporation also enters into credit risk participation agreements with financial institution counterparties for interest rate swaps related to loans in which we are either a participant or a lead bank. The risk participation agreements entered into by the Corporation as a participant bank provide credit protection to the financial institution counterparty should the borrower fail to perform on its interest rate derivative contract with that financial institution.

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.

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 are 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 on the consolidated statements of income.

Interest rate-related instruments for MSRs hedge: The fair value of the Corporation's MSRs asset changes in response to changes in primary mortgage loan rates and other assumptions. To mitigate the earnings volatility caused by changes in the fair value of MSRs, the Corporation designates certain financial instruments as an economic hedge. Changes in the fair value of these instruments are generally expected to partially offset changes in the fair value of MSRs and are 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 on the consolidated statements of income.

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The following table presents the total notional amounts and gross fair values of the Corporation’s derivatives, as well as the balance sheet netting adjustments as of March 31, 2023 and December 31, 2022. 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 March 31, 2023 and December 31, 2022. 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.

	Mar 31, 2023								Dec 31, 2022
	Asset				Liability				Asset				Liability
($ in thousands)	Notional Amount		Fair Value		Notional Amount		Fair Value		Notional Amount		Fair Value		Notional Amount		Fair Value
Designated as hedging instruments:
Interest rate-related instruments	$	2,000,000	$	19,416	$	850,000	$	—	$	900,000	$	4,349	$	1,150,000	$	1,260
Not designated as hedging instruments:
Interest rate-related and other instruments	4,412,666		71,619		4,737,474		199,339		4,246,823		62,401		4,599,391		251,398
Foreign currency exchange forwards	468,094		3,313		454,970		3,194		499,078		1,922		461,134		1,801
Mortgage banking(a)	59,184		338		83,500		441		21,265		86		33,000		46
Total not designated as hedging instruments			75,271				202,974				64,410				253,245
Gross derivatives before netting			94,687				202,974				68,759				254,506
Less: Legally enforceable master netting agreements			8,301				8,301				2,788				2,788
Less: Cash collateral pledged/received			36,331				342				26,898				217
Total derivative instruments, after netting			$	50,056			$	194,331			$	39,072			$	251,500

(a) The notional amount of the mortgage derivative asset includes interest rate lock commitments, while the notional amount of the mortgage derivative liability includes forward commitments.

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

	Line Item in the Consolidated Balance Sheets in Which the Hedged Item is Included
	Carrying Amount of the Hedged Assets/(Liabilities)		Cumulative Amount of Fair Value Hedging Adjustment Included in the Carrying Amount of the Hedged Assets/(Liabilities)		Carrying Amount of the Hedged Assets/(Liabilities)		Cumulative Amount of Fair Value Hedging Adjustment Included in the Carrying Amount of the Hedged Assets/(Liabilities)
($ in thousands)	March 31, 2023				December 31, 2022
Other long-term funding	$	(552,168)	$	(2,168)	$	(248,145)	$	1,855
FHLB Advances	(592,393)		7,607		(585,692)		14,308
Total	$	(1,144,561)	$	5,439	$	(833,837)	$	16,163

The Corporation terminated its $500 million fair value hedge during the fourth quarter of 2019. At March 31, 2023, the amortized cost basis of the closed portfolios which had previously been used in the terminated hedging relationship was $315 million and is included in loans on the consolidated balance sheets. This amount includes $1 million of hedging adjustments on the discontinued hedging relationships, which are not presented in the table above.

The table below identifies the effect of fair value and cash flow hedge accounting on the Corporation's consolidated statements of income for the three months ended March 31, 2023 and 2022:

	Location and Amount Recognized on the Consolidated Statements of Income in Fair Value and Cash Flow Hedging Relationships
	Three months ended Mar 31,
	2023				2022
($ in thousands)	Interest Income		Interest Expense		Interest Income
Total amounts of income presented on the consolidated statements of income in which the effects of the fair value or cash flow hedges are recorded(a)	$	(1,321)	$	2,515	$	(179)
The effects of fair value and cash flow hedging: Impact on fair value hedging relationships in Subtopic 815-20
Interest contracts:
Hedged items	(59)		10,724		(179)
Derivatives designated as hedging instruments(a)	(1,262)		(8,209)		—

(a) Includes net settlements on the derivatives.

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The following table presents the effect of cash flow hedge accounting on accumulated other comprehensive income (loss) for the three months ended March 31, 2023 and 2022:

	Three Months Ended Mar 31,
($ in thousands)	2023		2022
Interest rate-related instruments designated as cash flow hedging instruments
Amount of gain recognized in OCI on cash flow hedge derivative(a)	$	13,763	$	—
Amount of loss reclassified from accumulated other comprehensive income (loss) into interest income(a)	1,262		—

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

Amounts reported in accumulated other comprehensive income (loss) related to cash flow hedge derivatives are reclassified to interest income as interest payments are made on the hedged variable interest rate assets. The Corporation estimates that $6 million will be reclassified as a decrease to interest income over the next 12 months. This amount could differ from amounts actually recognized due to changes in interest rates, hedge de-designations, or the addition of other hedges subsequent to March 31, 2023. The maximum length of time over which the Corporation is hedging its exposure to the variability in future cash flows is 44 months as of March 31, 2023.

The table below identifies the effect of derivatives not designated as hedging instruments on the Corporation's consolidated statements of income for the three months ended March 31, 2023 and 2022:

	Consolidated Statements of Income Category of Gain / (Loss)  Recognized in Income	Three Months Ended Mar 31,
($ in thousands)		2023		2022
Derivative instruments
Interest rate-related and other instruments — customer and mirror, net	Capital markets, net	$	(70)	$	558
Interest rate-related instruments — MSRs hedge	Mortgage banking, net	2,521		(3,666)
Foreign currency exchange forwards	Capital markets, net	(2)		123
Interest rate lock commitments (mortgage)	Mortgage banking, net	252		(2,842)
Forward commitments (mortgage)	Mortgage banking, net	(395)		4,757

Note 10 Balance Sheet Offsetting

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

The Corporation enters into interest rate-related instruments to facilitate the interest rate risk management strategies of commercial customers 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 some of 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 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 with assets and liabilities offset resulting in a net position which is further offset by any cash collateral, and is reported in other assets and accrued expenses and other liabilities on the face of the consolidated balance sheets. For disclosure purposes, the net position on the consolidated balance sheets can be further netted down by investment securities collateral received or pledged. See Note 9 for additional information on the Corporation’s derivative and hedging activities.

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The following table presents the interest rate and foreign exchange assets and liabilities subject to an enforceable master netting arrangement as of March 31, 2023 and December 31, 2022. The interest and foreign exchange agreements the Corporation has with its commercial customers are not subject to an enforceable master netting arrangement and are therefore excluded from this table:

	Gross Amounts Recognized		Gross Amounts Subject to Master Netting Arrangements Offset on the Consolidated Balance Sheets				Net Amounts Presented on the Consolidated Balance Sheets		Gross Amounts Not Offset on the Consolidated Balance Sheets
($ in thousands)			Derivative Liabilities Offset		Cash Collateral Received				Security Collateral Received		Net  Amount
Derivative assets
March 31, 2023	$	78,018	$	(8,301)	$	(36,331)	$	33,387	$	(32,827)	$	560
December 31, 2022	63,029		(2,788)		(26,898)		33,342		(30,753)		2,589
	Gross Amounts Recognized		Gross Amounts Subject to Master Netting Arrangements Offset on the Consolidated Balance Sheets				Net Amounts Presented on the Consolidated Balance Sheets		Gross Amounts Not Offset on the Consolidated Balance Sheets
($ in thousands)			Derivative Assets Offset		Cash Collateral Pledged				Security Collateral Pledged		Net  Amount
Derivative liabilities
March 31, 2023	$	8,676	$	(8,301)	$	(342)	$	34	$	—	$	34
December 31, 2022	3,096		(2,788)		(217)		91		—		91

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

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

($ in thousands)	Mar 31, 2023		Dec 31, 2022
Commitments to extend credit, excluding commitments to originate residential mortgage loans held for sale(a)(b)	$	11,919,626	$	12,444,275
Commercial letters of credit(a)	5,413		3,188
Standby letters of credit(c)	251,565		270,692

(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 March 31, 2023 or December 31, 2022.

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

(c) Standby letters of credit are presented excluding participations. The Corporation has established a liability of $3 million at both March 31, 2023 and December 31, 2022, 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)	Three Months Ended March 31, 2023		Year Ended December 31, 2022
Allowance for unfunded commitments
Balance at beginning of period	$	38,776	$	39,776
Provision for unfunded commitments	1,000		(1,000)
Balance at end of period	$	39,776	$	38,776

Lending-related commitments include commitments to extend credit, commitments to originate residential mortgage loans held for sale, commercial letters of credit, and standby letters of credit. Commitments to extend credit are legally binding agreements

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

Other Commitments

The Corporation invests in qualified affordable housing projects, historic projects, new market projects, and opportunity zone funds for the purpose of community reinvestment and obtaining tax credits and other tax benefits. Return on the Corporation's investment in these projects and funds comes in the form of the tax credits and tax losses that pass through to the Corporation, and deferral or elimination of capital gain recognition for tax purposes. The aggregate carrying value of these investments at March 31, 2023 was $241 million, compared to $250 million at December 31, 2022, 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 $9 million and $8 million for the three months ended March 31, 2023 and March 31, 2022, respectively. The Corporation's remaining investment in qualified affordable housing projects accounted for under the proportional amortization method totaled $237 million at March 31, 2023 and $246 million at December 31, 2022.

The Corporation’s unfunded equity contributions relating to investments in qualified affordable housing and historic projects are recorded in accrued expenses and other liabilities on the consolidated balance sheets. The Corporation’s remaining unfunded equity contributions totaled $34 million at March 31, 2023 and $40 million at December 31, 2022. Additionally, at March 31, 2023, the Corporation also invests in a private SBA loan fund, recorded in equity securities on the consolidated balance sheets, the purpose of which is to identify CRA qualifying loans within a target region, which has a remaining unfunded equity contribution of $5 million.

For the three months ended March 31, 2023 and the year ended December 31, 2022, the Corporation did not record any impairment related to qualified affordable housing investments.

The Corporation has principal investment commitments to provide capital-based financing to private companies through either direct investment in specific companies or through investment funds and partnerships. The timing of future cash requirements to fund such principal investment commitments is generally dependent on the investment cycle, whereby privately held companies are funded by private equity investors and ultimately sold, merged, or taken public through an initial offering, which can vary based on overall market conditions, as well as the nature and type of industry in which the companies operate. The Corporation also invests in loan pools that support CRA loans. The timing of future cash requirements to fund these pools is dependent upon loan demand, which can vary over time. The aggregate carrying value of these investments was $28 million at March 31, 2023 and $27 million December 31, 2022, 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.

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

Regulatory Matters

A variety of consumer products, including mortgage and deposit products, and certain fees and charges related to such products, have come under increased regulatory scrutiny. It is possible that regulatory authorities could bring enforcement actions, including civil money penalties, or take other actions against the Corporation in regard to these consumer products. The Bank could also determine of its own accord, or be required by regulators, to refund or otherwise make remediation payments to customers in connection with these products. 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. The Corporation also sells qualifying residential mortgage loans guaranteed by U.S. government agencies into GNMA pools.

As a result of make whole requests, the Corporation has repurchased loans with aggregate principal balances of $2 million and $6 million for the three months ended March 31, 2023 and the year ended December 31, 2022, respectively. There were no loss reimbursement and settlement claims paid in the three months ended March 31, 2023, and no such claims were paid for the year ended December 31, 2022. Make whole requests since January 1, 2022 generally arose from loans originated since January 1, 2021 with such balances totaling $2.5 billion at the time of sale, consisting primarily of loans sold to GSEs. As of March 31, 2023, $2.1 billion of those loans originated since January 1, 2021 remain outstanding.

The balance in the mortgage repurchase reserve at the balance sheet date reflects the estimated amount of potential loss the Corporation could incur from repurchasing a loan, as well as loss reimbursements, indemnifications, and other settlement resolutions. The mortgage repurchase reserve, included in accrued expenses and other liabilities on the consolidated balance sheets, was approximately $566,000 at March 31, 2023 and $1 million at December 31, 2022.

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 both March 31, 2023 and December 31, 2022, there were $7 million 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 March 31, 2023 and December 31, 2022, there were $18 million and $19 million, respectively, of such residential mortgage loans with credit risk recourse, upon which there have been immaterial historical losses to the Corporation.

Note 12 Fair Value Measurements

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

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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 2022 Annual Report on Form 10-K.

The table below presents the Corporation’s financial instruments measured at fair value on a recurring basis as of March 31, 2023 and December 31, 2022, aggregated by the level in the fair value hierarchy within which those measurements fall:

($ in thousands)	Fair Value Hierarchy	Mar 31, 2023		Dec 31, 2022
Assets
AFS investment securities:
U.S. Treasury securities	Level 1	$	111,743	$	109,378
Agency securities	Level 2	13,730		13,532
Obligations of state and political subdivisions (municipal securities)	Level 2	228,902		230,714
Residential mortgage-related securities:
FNMA / FHLMC	Level 2	1,574,578		1,604,610
GNMA	Level 2	1,095,588		497,596
Commercial mortgage-related securities:
FNMA / FHLMC	Level 2	17,618		17,142
GNMA	Level 2	189,466		110,462
Asset backed securities:
FFELP	Level 2	143,084		151,191
SBA	Level 2	3,983		4,477
Other debt securities	Level 2	2,918		2,922
Total AFS investment securities	Level 1	$	111,743	$	109,378
Total AFS investment securities	Level 2	3,269,864		2,632,647
Equity securities with readily determinable fair values	Level 1	6,286		5,991
Residential loans held for sale	Level 2	35,742		20,383
Mortgage servicing rights, net	Level 3	74,479		77,351
Interest rate-related instruments designated as hedging instruments(a)	Level 2	19,416		4,349
Interest rate-related and other instruments not designated as hedging instruments(a)	Level 2	71,619		62,401
Foreign currency exchange forwards(a)	Level 2	3,313		1,922
Interest rate lock commitments to originate residential mortgage loans held for sale	Level 3	338		86
Liabilities
Interest rate-related instruments designated as hedging instruments(a)	Level 2	$	—	$	1,260
Interest rate-related and other instruments not designated as hedging instruments(a)	Level 2	199,339		251,398
Foreign currency exchange forwards(a)	Level 2	3,194		1,801
Forward commitments to sell residential mortgage loans	Level 3	441		46

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

The table below presents a rollforward of the consolidated balance sheets amounts for the three months ended March 31, 2023 and the year ended December 31, 2022, 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, 2021	$	2,617	$	(30)	$	2,647
New production	10,442		(2,028)		12,470
Closed loans / settlements	(913)		24,766		(25,679)
Other	(12,060)		(22,662)		10,603
Change in mortgage derivative	(2,531)		76		(2,607)
Balance December 31, 2022	$	86	$	46	$	40
New production	$	1,134	$	(294)	$	1,429
Closed loans / settlements	(570)		46		(616)
Other	(312)		644		(956)
Change in mortgage derivative	252		395		(143)
Balance March 31, 2023	$	338	$	441	$	(103)

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The following table presents the carrying value of equity securities without readily determinable fair values still held as of March 31, 2023 that are measured under the measurement alternative and the related adjustments recorded during the periods presented for those securities with observable price changes. 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 March 31, 2023:

($ in thousands)
Equity securities without readily determinable fair values
Carrying value as of December 31, 2022	$	19,225
Carrying value changes	—
Purchases	5,003
Sales	—
Carrying value as of March 31, 2023	$	24,228
Cumulative upward carrying value changes between January 1, 2018 and March 31, 2023	$	19,134
Cumulative downward carrying value changes/impairment between January 1, 2018 and March 31, 2023	$	—

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

($ in thousands)	Fair Value Hierarchy	Fair Value		Consolidated Statements of Income Category of Adjustment Recognized in Income	Adjustment Recognized on the Consolidated Statements of Income(a)
March 31, 2023
Assets
Individually evaluated loans	Level 3	$	35,499	Provision for credit losses	$	4,608
OREO(b)	Level 2	70		Other noninterest expense / provision for credit losses(c)	46
December 31, 2022
Assets
Individually evaluated loans	Level 3	$	23,584	Provision for credit losses	$	4,405
OREO(b)	Level 2	2,196		Other noninterest expense / provision for credit losses(c)	971
Equity securities without readily determinable fair values	Level 3	19,134		Investment securities gains (losses), net	5,690

(a) Includes the full year impact on the consolidated statements of income.
(b) If the fair value of the collateral exceeds the carrying amount of the asset, no charge off or adjustment is necessary, the asset is not considered to be carried at fair value and is therefore not included in the table.
(c) When a property's value is written down at the time it is transferred to OREO, the charge off is booked to the provision for credit losses. When a property is already in OREO and subsequently written down, the charge off is booked to other noninterest expense.

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

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

March 31, 2023	Valuation Technique	Significant Unobservable Input	Range of Inputs			Weighted Average Input Applied
Mortgage servicing rights	Discounted cash flow	Option adjusted spread	6%	-	9%	7%
Mortgage servicing rights	Discounted cash flow	Constant prepayment rate	—%	-	100%	7%
Individually evaluated loans	Appraisals / Discounted cash flow	Collateral / Discount factor	25%	-	48%	35%
Interest rate lock commitments to originate residential mortgage loans held for sale	Discounted cash flow	Closing Ratio	5%	-	100%	74%

40

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:

		Mar 31, 2023				Dec 31, 2022
($ in thousands)	Fair Value Hierarchy Level	Carrying Amount		Fair Value		Carrying Amount		Fair Value
Financial assets
Cash and due from banks	Level 1	$	311,269	$	311,269	$	436,952	$	436,952
Interest-bearing deposits in other financial institutions	Level 1	511,116		511,116		156,693		156,693
Federal funds sold and securities purchased under agreements to resell	Level 1	455		455		27,810		27,810
AFS investment securities	Level 1	111,743		111,743		109,378		109,378
AFS investment securities	Level 2	3,269,864		3,269,864		2,632,647		2,632,647
HTM investment securities, net	Level 1	999		947		999		936
HTM investment securities, net	Level 2	3,966,060		3,480,530		3,959,399		3,400,028
Equity securities with readily determinable fair values	Level 1	6,286		6,286		5,991		5,991
Equity securities without readily determinable fair values	Level 2	5,000		5,000		—		—
Equity securities without readily determinable fair values	Level 3	19,228		19,228		19,225		19,225
FHLB and Federal Reserve Bank stocks	Level 2	331,420		331,420		295,496		295,496
Residential loans held for sale	Level 2	35,742		35,742		20,383		20,383
Commercial loans held for sale	Level 2	33,490		33,490		—		—
Loans, net	Level 3	28,880,640		27,921,022		28,486,849		27,481,426
Bank and corporate owned life insurance	Level 2	677,328		677,328		676,530		676,530
Mortgage servicing rights, net	Level 3	74,479		74,479		77,351		77,351
Derivatives (other assets)(a)	Level 2	94,349		94,349		68,672		68,672
Interest rate lock commitments to originate residential mortgage loans held for sale (other assets)	Level 3	338		338		86		86
Financial liabilities
Noninterest-bearing demand, savings, interest-bearing demand, and money market accounts	Level 3	$	27,393,908	$	27,393,908	$	27,705,996	$	27,705,996
Brokered CDs and other time deposits(b)	Level 2	2,937,916		2,937,916		1,930,158		1,930,158
Short-term funding	Level 2	226,608		226,600		605,937		605,205
FHLB advances	Level 2	4,986,138		4,987,658		4,319,861		4,322,264
Other long-term funding	Level 2	544,103		535,836		248,071		242,151
Standby letters of credit(c)	Level 2	2,717		2,717		2,881		2,881
Derivatives (accrued expenses and other liabilities)(a)	Level 2	202,533		202,533		254,459		254,459
Forward commitments to sell residential mortgage loans (accrued expenses and other liabilities)	Level 3	441		441		46		46

(a) Figures are presented gross before netting. See Note 9 and Note 10 for information relating to the impact of offsetting derivative assets and liabilities and cash collateral with the
    same counterparty where there is a legally enforceable master netting agreement in place.
(b) When the estimated fair value is less than the carrying value, the carrying value is reported as the fair value.
(c) The commitment on standby letters of credit was $252 million at March 31, 2023 and $271 million at December 31, 2022. See Note 11 for additional information on the standby letters of credit and for information on the fair value of lending-related commitments.

Note 13 Retirement Plans

The Corporation has a noncontributory defined benefit 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.

41

The components of net periodic pension cost and net periodic benefit cost for the RAP and Postretirement Plan for the three months ended March 31, 2023 and 2022 were as follows:

	Three Months Ended Mar 31,
($ in thousands)	2023		2022
RAP
Service cost	$	796	$	923
Interest cost	2,686		1,772
Expected return on plan assets	(8,202)		(6,736)
Amortization of prior service cost	(63)		(63)
Amortization of actuarial loss	37		74
Total net periodic pension cost	$	(4,746)	$	(4,029)
Postretirement Plan
Interest cost	$	20	$	13
Amortization of prior service cost	(19)		(19)
Amortization of actuarial loss (gain)	(7)		—
Total net periodic benefit cost	$	(7)	$	(6)

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 three months ended March 31, 2023 and 2022.

Note 14 Segment Reporting

The Corporation utilizes a risk-based internal profitability measurement system to provide strategic business unit reporting. The profitability measurement system is based on internal management methodologies designed to produce consistent results and reflect the underlying economics of the units. Certain strategic business units have been combined for segment information reporting purposes where the nature of the products and services, the type of customer, and the distribution of those products and services are similar. The three reportable segments are Corporate and Commercial Specialty; Community, Consumer, and Business; and Risk Management and Shared Services. The financial information of the Corporation’s segments has been compiled utilizing the accounting policies described in the Corporation’s 2022 Annual Report on Form 10-K, with certain exceptions. The more significant of these exceptions are described herein.

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

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

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

The provision for credit losses is allocated to segments based on the expected long-term annual net charge off rates attributable to the credit risk of loans managed by the segment during the period. In contrast, the level of the consolidated provision for credit losses is determined based on an ACLL model using the methodologies described in the Corporation’s 2022 Annual Report on Form 10-K. The net effect of the credit provision is recorded in Risk Management and Shared Services. Indirect

42

expenses incurred by certain centralized support areas are allocated to segments based on actual usage (for example, volume measurements) and other criteria. Certain types of administrative expense and bank-wide expense accruals (including, when applicable, amortization of CDIs and other intangible assets associated with acquisitions, acquisition-related costs, and asset gains on disposed business units) are generally not allocated to segments. Income taxes are allocated to segments based on the Corporation’s estimated effective tax rate, with certain segments adjusted for any tax-exempt income or non-deductible expenses. Equity is allocated to the segments based on regulatory capital requirements and in proportion to an assessment of the inherent risks associated with the business of the segment (including interest, credit and operating risk).

A brief description of each business segment is presented below. A more in-depth discussion of these segments can be found in the Segment Reporting note in the Corporation’s 2022 Annual Report on Form 10-K.

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

Information about the Corporation’s segments is presented below:

	Corporate and Commercial Specialty
	Three Months Ended Mar 31,
($ in thousands)	2023		2022
Net interest income	$	219,123	$	90,633
Net intersegment interest income (expense)	(80,980)		8,525
Segment net interest income	138,143		99,158
Noninterest income	32,715		37,728
Total revenue	170,858		136,886
Provision for credit losses	13,782		12,653
Noninterest expense	62,061		56,528
Income before income taxes	95,015		67,705
Income tax expense	17,737		12,307
Net income	$	77,278	$	55,399
Allocated goodwill	$	525,836	$	525,836

	Community, Consumer, and Business
	Three Months Ended Mar 31,
($ in thousands)	2023		2022
Net interest income	$	80,284	$	69,544
Net intersegment interest income	88,079		18,833
Segment net interest income	168,363		88,377
Noninterest income	25,949		33,207
Total revenue	194,312		121,584
Provision for credit losses	6,758		4,656
Noninterest expense	111,694		98,461
Income before income taxes	75,860		18,466
Income tax expense	15,931		3,878
Net income	$	59,930	$	14,588
Allocated goodwill	$	579,156	$	579,156

43

	Risk Management and Shared Services
	Three Months Ended Mar 31,
($ in thousands)	2023		2022
Net interest income	$	(25,397)	$	27,570
Net intersegment (expense)	(7,099)		(27,358)
Segment net interest income (loss)	(32,496)		212
Noninterest income	3,409		3,532
Total revenue	(29,087)		3,744
Provision for credit losses	(2,568)		(21,300)
Noninterest expense	13,658		18,303
Income (loss) before income taxes	(40,176)		6,741
Income tax expense (benefit)	(6,328)		2,465
Net income (loss)	$	(33,848)	$	4,275
Allocated goodwill	$	—	$	—

	Consolidated Total
	Three Months Ended Mar 31,
($ in thousands)	2023		2022
Net interest income	$	274,010	$	187,747
Net intersegment interest income	—		—
Segment net interest income	274,010		187,747
Noninterest income	62,073		74,467
Total revenue	336,083		262,214
Provision for credit losses	17,971		(3,990)
Noninterest expense	187,412		173,292
Income before income taxes	130,700		92,912
Income tax expense	27,340		18,650
Net income	$	103,360	$	74,262
Allocated goodwill	$	1,104,992	$	1,104,992

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Note 15 Accumulated Other Comprehensive Income (Loss)

The following tables summarize the components of accumulated other comprehensive income (loss) at March 31, 2023 and 2022, including changes during the preceding three month periods as well as any reclassifications out of accumulated other comprehensive income (loss):

($ in thousands)	AFS Investment Securities		Cash Flow Hedge Derivatives		Defined Benefit Pension and Postretirement Obligations		Accumulated Other Comprehensive Income (Loss)
Balance December 31, 2022	$	(233,192)	$	3,360	$	(42,968)	$	(272,799)
Other comprehensive income before reclassifications	36,478		—		—		36,478
Amounts reclassified from accumulated other comprehensive income (loss):
HTM investment securities, net, at amortized cost	2,267		—		—		2,267
Other assets / accrued expenses and other liabilities	—		13,763		—		13,763
Interest income	—		1,262		—		1,262
Personnel expense	—		—		(81)		(81)
Other expense	—		—		30		30
Income tax (expense) benefit	(9,892)		(4,694)		79		(14,507)
Net other comprehensive income during period	28,853		10,331		27		39,211
Balance March 31, 2023	$	(204,339)	$	13,691	$	(42,940)	$	(233,588)
Balance December 31, 2021	$	(5,266)	$	—	$	(5,051)	$	(10,317)
Other comprehensive (loss) before reclassifications	(103,284)		—		—		(103,284)
Unrealized (losses) on AFS securities transferred to HTM securities	(67,604)		—		—		(67,604)
Amounts reclassified from accumulated other comprehensive income (loss):
Investment securities (gains), net	(21)		—		—		(21)
HTM investment securities, net, at amortized cost	1,108		—		—		1,108
Personnel expense	—		—		(81)		(81)
Other expense	—		—		74		74
Income tax benefit	43,098		—		2		43,100
Net other comprehensive (loss) during period	(126,702)		—		(6)		(126,708)
Balance March 31, 2022	$	(131,968)	$	—	$	(5,057)	$	(137,024)

Note 16 Leases

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

These leases have original terms of 1 year or longer with remaining maturities up to 40 years, some of which include options to extend the lease term. An analysis of the lease options has been completed and any purchase options or optional periods that the Corporation is reasonably likely to extend have been included in the capitalization.

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

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

	Three Months Ended Mar 31,
($ in thousands)	2023		2022
Operating lease costs	$	1,464	$	1,798
Finance lease costs	23		41
Operating lease cash flows	1,828		2,407
Finance lease cash flows	22		44

45

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

($ in thousands)	Consolidated Balance Sheets Category	Mar 31, 2023		Dec 31, 2022
Operating lease right-of-use asset	Premises and equipment	$	24,377	$	25,617
Finance lease right-of-use asset	Other assets	433		455
Operating lease liability	Accrued expenses and other liabilities	26,938		28,357
Finance lease liability	Other long-term funding	448		469

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

	Mar 31, 2023					Dec 31, 2022
($ in thousands)	Lease payments		Weighted-average lease term (in years)	Weighted-average discount rate		Lease payments		Weighted-average lease term (in years)	Weighted-average discount rate
Operating leases
Retail and corporate offices	$	24,738	5.76	2.63	%	$	26,140	5.92	2.62	%
Land	4,569		7.44	3.15	%	4,766		7.59	3.14	%
Equipment	—		0.00	—	%	—		0.00	—	%
Total operating leases	$	29,307	6.01	2.71	%	$	30,906	6.17	2.70	%
Finance leases
Retail and corporate offices	$	463	5.00	1.32	%	$	485	5.25	1.32	%
Total finance leases	$	463	5.00	1.32	%	$	485	5.25	1.32	%

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

($ in thousands)	Operating Leases		Finance Leases		Total Leases
Nine months ended December 31, 2023	$	4,540	$	69	$	4,609
2024	5,735		93		5,827
2025	4,512		93		4,605
2026	4,246		93		4,339
2027	3,807		93		3,899
Beyond 2027	6,468		23		6,491
Total lease payments	$	29,307	$	463	$	29,770
Less: interest	2,369		15		2,384
Present value of lease payments	$	26,938	$	448	$	27,386

As of March 31, 2023 and December 31, 2022, additional operating leases, primarily retail and corporate offices, that had not yet commenced totaled $12 million and $13 million, respectively. The leases that had not yet commenced as of March 31, 2023 will commence between April 2023 and January 2024 with lease terms of 1 year to 6 years.

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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, 2022, in Item 1A of Part II 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 $28.8 billion increased $4.7 billion, or 20%, from the first three months of 2022, with growth across nearly all loan categories. For 2023, the Corporation expects period end loan growth of 6% to 8%.

•Average deposits of $29.9 billion increased $1.2 billion, or 4%, from the first three months of 2022, driven by increases in all interest-bearing deposit categories, offset by decreases in noninterest-bearing demand deposits. For 2023, the Corporation expects average core customer deposit growth of 1% to 3%.

•Net interest income of $274 million increased $86 million, or 46%, from the first three months of 2022, and net interest margin was 3.07% compared to 2.42% for the first three months of 2022. The increase in net interest income was driven by higher interest income as a result of growth in balances across all loan categories, which also benefited from the Federal Reserve increasing the federal funds target interest rate 450 bp since March 31, 2022. For 2023, the Corporation expects net interest income growth of 13% to 15%.

•Provision for credit losses had a provision of $18 million, compared to a release of $4 million for the first three months of 2022, primarily due to loan growth within the portfolio. For 2023, we expect to adjust provision to reflect changes to risk grades, economic conditions, loan volumes, and other indications of credit quality.

•Noninterest income of $62 million decreased $12 million, or 17%, from the first three months of 2022, partially driven by the $5 million, or 58%, decrease in mortgage banking, net, which was primarily the result of increased MSRs expense related to the net valuation adjustments of the MSRs asset. Additionally, both capital markets fees and service charges and deposit account fees decreased by $4 million, or 41% and 23% respectively, due to lower swap and syndication activity, and reduced fees associated with the elimination and reduction of deposit account fees. For 2023, the Corporation expects total noninterest income to compress by 8% to 10%.

•Noninterest expense of $187 million increased $14 million, or 8%, from the first three months of 2022, primarily driven by higher personnel expense due to additional staffing for implementation of recently announced initiatives and continued investment in our employees. For 2023, the Corporation expects total noninterest expense to grow by 4%.

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Table 1 Summary Results of Operations: Trends

	Three months ended
($ in thousands, except per share data)	Mar 31, 2023			Dec 31, 2022			Sep 30, 2022			Jun 30, 2022			Mar 31, 2022
Net income	$	103,360		$	108,762		$	96,275		$	86,824		$	74,262
Net income available to common equity	100,485			105,887			93,400			83,949			71,387
Earnings per common share - basic	0.67			0.70			0.62			0.56			0.48
Earnings per common share - diluted	0.66			0.70			0.62			0.56			0.47
Effective tax rate	20.92		%	18.89		%	21.37		%	21.20		%	20.07		%

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Table 2 Net Interest Income Analysis

	Three Months Ended
	Mar 31, 2023						Dec 31, 2022						Mar 31, 2022
($ 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)
Asset-based lending & equipment finance	$	480,472	$	7,448	6.28	%	$	421,540	$	5,901	5.56	%	$	202,836	$	1,449	2.90	%
Commercial and business lending (excl ABL and equipment finance)	10,135,554		159,726		6.39	%	10,108,444		141,283		5.55	%	8,859,450		54,031		2.47	%
Commercial real estate lending	7,251,193		119,087		6.66	%	7,062,405		105,479		5.93	%	6,177,062		43,886		2.88	%
Total commercial	17,867,219		286,262		6.50	%	17,592,389		252,663		5.70	%	15,239,348		99,366		2.64	%
Residential mortgage	8,584,528		70,711		3.30	%	8,443,661		68,069		3.22	%	7,671,329		55,403		2.89	%
Auto finance	1,490,115		16,458		4.48	%	1,244,436		12,911		4.12	%	305,202		2,649		3.52	%
Other retail	903,956		18,494		8.23	%	914,848		16,366		7.13	%	881,859		10,662		4.87	%
Total loans	28,845,818		391,925		5.49	%	28,195,334		350,009		4.93	%	24,097,738		168,081		2.81	%
Investment securities
Taxable	4,912,416		30,142		2.45	%	4,336,132		21,435		1.98	%	4,350,109		16,472		1.52	%
Tax-exempt(a)	2,329,519		20,192		3.47	%	2,428,751		21,000		3.46	%	2,384,601		20,296		3.40	%
Other short-term investments	493,061		5,329		4.37	%	408,091		3,779		3.68	%	1,154,939		1,993		0.70	%
Investments and other	7,734,996		55,664		2.88	%	7,172,975		46,213		2.57	%	7,889,649		38,761		1.96	%
Total earning assets	36,580,814		$	447,589	4.94	%	35,368,309		$	396,222	4.46	%	31,987,386		$	206,842	2.60	%
Other assets, net	3,026,251						3,017,127						3,212,796
Total assets	$	39,607,065					$	38,385,436					$	35,200,182
Liabilities and stockholders' equity
Interest-bearing liabilities
Interest-bearing deposits
Savings	$	4,664,624	$	9,859	0.86	%	$	4,660,696	$	3,607	0.31	%	$	4,529,991	$	380	0.03	%
Interest-bearing demand	6,814,487		29,918		1.78	%	6,831,213		20,861		1.21	%	6,722,038		1,025		0.06	%
Money market	7,536,393		41,637		2.24	%	7,382,793		23,728		1.28	%	7,030,945		965		0.06	%
Network transaction deposits	1,147,089		12,825		4.53	%	901,168		8,261		3.64	%	734,895		265		0.15	%
Time deposits	2,362,260		15,182		2.61	%	1,463,204		4,262		1.16	%	1,313,101		937		0.29	%
Total interest-bearing deposits	22,524,853		109,422		1.97	%	21,239,073		60,719		1.13	%	20,330,970		3,571		0.07	%
Federal funds purchased and securities sold under agreements to repurchase	429,780		3,143		2.97	%	424,352		2,280		2.13	%	293,915		38		0.05	%
Commercial paper	17,339		—		0.01	%	12,927		—		0.01	%	27,963		1		0.01	%
FHLB advances	4,254,532		49,960		4.76	%	3,790,101		36,824		3.85	%	1,610,983		8,182		2.06	%
Long-term funding	408,175		6,281		6.16	%	248,645		2,470		3.97	%	249,632		2,730		4.38	%
Total short and long-term funding	5,109,826		59,384		4.71	%	4,476,025		41,575		3.69	%	2,182,492		10,951		2.03	%
Total interest-bearing liabilities	27,634,679		$	168,807	2.48	%	25,715,098		$	102,294	1.58	%	22,513,462		$	14,522	0.26	%
Noninterest-bearing demand deposits	7,340,219						8,088,435						8,316,399
Other liabilities	570,166						590,223						383,528
Stockholders’ equity	4,062,001						3,991,679						3,986,792
Total liabilities and stockholders’ equity	$	39,607,065					$	38,385,436					$	35,200,182
Interest rate spread					2.46	%					2.88	%					2.34	%
Net free funds					0.61	%					0.43	%					0.08	%
Fully tax-equivalent net interest income and net interest margin			$	278,782	3.07	%			$	293,929	3.31	%			$	192,320	2.42	%
Fully tax-equivalent adjustment			4,772						4,939						4,573
Net interest income			$	274,010					$	288,989					$	187,747

(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.

49

Notable Contributions to the Change in Net Interest Income

•Fully tax-equivalent net interest income and net interest income were $86 million, or 45%, and $86 million, or 46%, higher than the first three months of 2022, respectively. Average loans increased $4.7 billion, or 20%, while average investments and other short-term investments decreased $155 million, or 2%, from the first three months of 2022. The increase in net interest income was driven by a higher federal funds target rate combined with growth in all major loan categories. Since March 31, 2022, the Federal Reserve increased the federal funds target interest rate 450 bp, which contributed to the yield on earning assets increasing by 234 bp. 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 increased $5.1 billion, or 23%, compared to the first three months of 2022. Interest-bearing deposits increased $2.2 billion, or 11%, driven primarily by increases in money market accounts, network transaction deposits, and time deposits. Average noninterest-bearing demand deposits decreased $976 million, or 12%, versus the first three months of 2022. FHLB advances increased $2.6 billion, or 164%, to fund loan growth. The cost of interest-bearing liabilities increased 222 bp from the first three months of 2022.

Provision for Credit Losses

The provision for credit losses is predominantly a function of the Corporation’s reserving methodology and judgments as to other qualitative and quantitative factors used to determine the appropriate level of the ACLL, which focuses on changes in the size and character of the loan portfolio, changes in levels of individually evaluated and other nonaccrual loans, historical losses and delinquencies in each portfolio category, the risk inherent in specific loans, concentrations of loans to specific borrowers or industries, existing economic conditions and economic forecasts, the fair value of underlying collateral, and other factors which could affect potential credit losses. The forecast the Corporation used for March 31, 2023 was the Moody's baseline scenario from February 2023, which was reviewed against the March 2023 baseline scenario with no material updates made, over a 2 year reasonable and supportable period with straight-line reversion to historical losses over the second year of the period. See additional discussion under the sections titled Loans, Credit Risk, Nonperforming Assets, and Allowance for Credit Losses on Loans.

Noninterest Income

Table 3 Noninterest Income

	Three months ended										Changes vs
($ in thousands, except as noted)	Mar 31, 2023		Dec 31, 2022		Sep 30, 2022		Jun 30, 2022		Mar 31, 2022		Dec 31, 2022		Mar 31, 2022
Wealth management fees	$	20,189	$	20,403	$	19,984	$	21,332	$	22,404	(1)	%	(10)	%
Service charges and deposit account fees	12,994		13,918		15,029		16,506		16,856		(7)	%	(23)	%
Card-based fees	10,586		11,167		11,479		11,442		9,926		(5)	%	7	%
Other fee-based revenue	4,276		3,290		4,487		4,360		3,766		30	%	14	%
Total fee-based revenue	48,045		48,779		50,979		53,641		52,952		(2)	%	(9)	%
Capital markets, net	5,083		5,586		7,675		8,010		8,646		(9)	%	(41)	%
Mortgage banking, net	3,545		2,238		2,098		6,145		8,391		58	%	(58)	%
Bank and corporate owned life insurance	2,664		3,427		1,827		4,106		2,071		(22)	%	29	%
Other	2,422		4,102		2,527		1,888		2,198		(41)	%	10	%
Subtotal	61,758		64,132		65,106		73,790		74,258		(4)	%	(17)	%
Asset gains (losses), net	263		(545)		18		1,677		188		N/M		40	%
Investment securities gains (losses), net	51		(1,930)		5,664		(8)		21		N/M		143	%
Total noninterest income	$	62,073	$	61,657	$	70,788	$	75,458	$	74,467	1	%	(17)	%
Mortgage loans originated for sale during period	$	69,254	$	64,419	$	131,743	$	151,838	$	252,113	8	%	(73)	%
Mortgage loan settlements during period	54,652		94,682		119,942		204,321		296,089		(42)	%	(82)	%
Assets under management, at market value(a)	12,412		11,843		11,142		11,561		12,937		5	%	(4)	%

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

50

Notable Contributions to the Change in Noninterest Income

•Mortgage banking, net decreased $5 million from the first three months of 2022, which was primarily the result of increased MSRs expense related to the net valuation adjustments of the MSRs asset.

•Service charges and deposit account fees decreased $4 million from the first three months of 2022, due to previously announced initiatives to reduce or eliminate many deposit account fees.

•Capital markets, net decreased $4 million from the first three months of 2022 as a result of lower interest rate swap revenue and syndication fees.

•Wealth management fees decreased $2 million from the first three months of 2022, due to reduced assets under management and lower brokerage related income.

Noninterest Expense

Table 4 Noninterest Expense

	Three months ended										Change vs
($ in thousands)	Mar 31, 2023		Dec 31, 2022		Sep 30, 2022		Jun 30, 2022		Mar 31, 2022		Dec 31, 2022		Mar 31, 2022
Personnel	$	116,420	$	118,381	$	118,243	$	112,666	$	104,811	(2)	%	11	%
Technology	23,598		25,299		22,694		21,223		21,485		(7)	%	10	%
Occupancy	15,063		15,846		13,717		14,151		16,080		(5)	%	(6)	%
Business development and advertising	5,849		8,136		6,778		5,655		4,954		(28)	%	18	%
Equipment	4,930		4,791		4,921		4,960		4,960		3	%	(1)	%
Legal and professional	3,857		4,132		4,159		4,873		5,087		(7)	%	(24)	%
Loan and foreclosure costs	1,138		804		1,631		1,476		2,014		42	%	(43)	%
FDIC assessment	6,875		6,350		5,800		5,400		5,100		8	%	35	%
Other intangible amortization	2,203		2,203		2,203		2,203		2,203		—	%	—	%
Other	7,479		10,618		15,645		8,815		6,597		(30)	%	13	%
Total noninterest expense	$	187,412	$	196,560	$	195,791	$	181,420	$	173,292	(5)	%	8	%
Average FTEs(a)	4,219		4,169		4,182		4,101		4,018		1	%	5	%

(a) Average FTEs without overtime

Notable Contributions to the Change in Noninterest Expense

•Personnel expense increased $12 million from the first three months of 2022, largely as a result of increased FTEs due to hiring related to previously announced initiatives and continued investment in our employees.

•Technology expense increased $2 million from the first three months of 2022, driven by digital investments tied to our strategic initiatives.

•FDIC expense increased $2 million from the first three months of 2022 due to a decrease in liquidity and the FDIC's assessment rate change on January 1, 2023.

Income Taxes

The Corporation recognized income tax expense of $27 million for the three months ended March 31, 2023, compared to income tax expense of $19 million for the three months ended March 31, 2022. The Corporation's effective tax rate was 20.92% for the first three months of 2023, compared to an effective tax rate of 20.07% for the first three months of 2022. The increase in income tax expense during the first three months of 2023 was primarily driven by an increase in income before tax. The increase in the effective tax rate was primarily driven by an increase in state tax expense. The Corporation expects a full year effective tax rate of 20 to 21%, assuming no change in the statutory corporate tax rate.

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

51

Balance Sheet Analysis

•At March 31, 2023, total assets were $40.7 billion, up $1.3 billion, or 3%, from December 31, 2022 and up $5.7 billion, or 16%, from March 31, 2022.

•Interest bearing deposits in other financial institutions were $511 million at March 31, 2023, up $354 million from December 31, 2022 and up $344 million from March 31, 2022.

•AFS investment securities, at fair value were $3.4 billion at March 31, 2023, up $640 million, or 23%, from December 31, 2022, and up $601 million, or 22%, from March 31, 2022. HTM investment securities, net, at amortized cost were $4.0 billion at March 31, 2023, effectively flat from December 31, 2022 and March 31, 2022. See Note 5 Investment Securities of the notes to consolidated financial statements for additional details.

•Loans of $29.2 billion at March 31, 2023 were up $408 million, or 1%, from December 31, 2022 and up $4.7 billion, or 19%, from March 31, 2022. See Note 6 Loans of the notes to consolidated financial statements for additional details.

•At March 31, 2023, total deposits of $30.3 billion were up $696 million, or 2%, from December 31, 2022, and were up $1.9 billion, or 7%, from March 31, 2022. See section Deposits and Customer Funding for additional information on deposits.

•Federal funds purchased and securities sold under agreements to repurchase were $208 million at March 31, 2023, down $377 million, or 64%, from December 31, 2022 and down $160 million, or 43%, from March 31, 2022. See Note 8 Short and Long-Term Funding of the notes to consolidated financial statements for additional details.

•FHLB advances were $5.0 billion at March 31, 2023, up $666 million, or 15%, from December 31, 2022, and up $3.4 billion from March 31, 2022, mainly due to loan growth. See Note 8 Short and Long-Term Funding of the notes to consolidated financial statements for additional details.

•Other long-term funding was $544 million at March 31, 2023, up $296 million, or 119%, from December 31, 2022, and up $294 million, or 118%, from March 31, 2022, primarily driven by the Corporation's issuance of subordinated notes in February 2023. See Note 8 Short and Long-Term Funding of the notes to consolidated financial statements for additional details.

Loans

Table 5 Period End Loan Composition

	Mar 31, 2023				Dec 31, 2022				Sep 30, 2022				Jun 30, 2022				Mar 31, 2022
($ in thousands)	Amount		% of Total		Amount		% of Total		Amount		% of Total		Amount		% of Total		Amount		% of Total
Asset-based lending & equipment finance	$	522,834	2	%	$	458,887	2	%	$	380,830	1	%	$	263,044	1	%	$	231,040	1	%
Commercial and industrial	9,346,947		32	%	9,300,567		32	%	9,191,094		33	%	8,993,640		34	%	8,120,375		33	%
Commercial real estate — owner occupied	1,050,236		4	%	991,722		3	%	999,786		4	%	928,152		4	%	973,572		4	%
Commercial and business lending	10,920,017		37	%	10,751,176		37	%	10,571,711		38	%	10,184,836		38	%	9,324,986		38	%
Commercial real estate — investor	5,094,249		17	%	5,080,344		18	%	5,064,289		18	%	4,790,241		18	%	4,469,241		18	%
Real estate construction	2,147,070		7	%	2,155,222		7	%	1,835,159		7	%	1,775,648		7	%	1,760,076		7	%
Commercial real estate lending	7,241,318		25	%	7,235,565		25	%	6,899,449		25	%	6,565,889		25	%	6,229,317		25	%
Total commercial	18,161,335		62	%	17,986,742		62	%	17,471,159		63	%	16,750,726		63	%	15,554,303		63	%
Residential mortgage	8,605,164		29	%	8,511,550		30	%	8,314,902		30	%	8,002,943		30	%	7,609,343		31	%
Auto finance	1,551,538		5	%	1,382,073		5	%	1,117,136		4	%	847,969		3	%	497,523		2	%
Home equity	609,787		2	%	624,353		2	%	612,608		2	%	592,843		2	%	580,867		2	%
Other consumer	279,248		1	%	294,851		1	%	301,475		1	%	300,217		1	%	289,889		1	%
Total consumer	11,045,737		38	%	10,812,828		38	%	10,346,121		37	%	9,743,972		37	%	8,977,622		37	%
Total loans	$	29,207,072	100	%	$	28,799,569	100	%	$	27,817,280	100	%	$	26,494,698	100	%	$	24,531,926	100	%

The Corporation has long-term guidelines relative to the proportion of Commercial and Business, CRE, and Consumer loan commitments within the overall loan portfolio, with each targeted to represent 30 to 40% of the overall loan portfolio. The targeted long-term guidelines were unchanged during 2022 and the first three months of 2023. Furthermore, certain sub-asset classes within the respective portfolios are further defined and dollar limitations are placed on these sub-portfolios. These guidelines and limits are reviewed quarterly and approved annually by the Enterprise Risk Committee of the Corporation’s Board of Directors. These guidelines and limits are designed to create balance and diversification within the loan portfolios.

52

The Corporation’s loan distribution and interest rate sensitivity as of March 31, 2023 are summarized in the following table:

Table 6 Loan Distribution and Interest Rate Sensitivity

($ in thousands)	Within 1 Year(a)		1-5 Years		5-15 Years		Over 15 Years		Total		% of Total
Asset-based lending & equipment finance	$	262,848	$	143,962	$	116,024	$	—	$	522,834	2	%
Commercial and industrial	8,794,411		407,159		136,038		9,339		9,346,947		32	%
Commercial real estate — owner occupied	645,287		273,288		131,106		555		1,050,236		4	%
Commercial real estate — investor	4,729,408		215,804		149,037		—		5,094,249		17	%
Real estate construction	2,074,862		33,843		29,311		9,053		2,147,070		7	%
Commercial - adjustable	10,551,715		17,924		16,108		—		10,585,747		36	%
Commercial - fixed	5,955,100		1,056,133		545,408		18,947		7,575,588		26	%
Residential mortgage - adjustable	300,787		828,859		1,925,063		397		3,055,107		10	%
Residential mortgage - fixed	5,724		98,004		578,238		4,868,092		5,550,057		19	%
Auto finance	274		393,593		1,157,671		—		1,551,538		5	%
Home equity	540,506		15,976		44,135		9,170		609,787		2	%
Other consumer	198,563		37,065		28,135		15,485		279,248		1	%
Total loans	$	17,552,671	$	2,447,553	$	4,294,757	$	4,912,091	$	29,207,072	100	%
Fixed-rate	$	5,981,878	$	1,599,102	$	2,353,586	$	4,911,694	$	14,846,259	51	%
Floating or adjustable rate	11,570,792		848,452		1,941,172		397		14,360,813		49	%
Total	$	17,552,671	$	2,447,553	$	4,294,757	$	4,912,091	$	29,207,072	100	%

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

At March 31, 2023, $20.3 billion, or 70%, of the loans outstanding and $16.5 billion, or 91%, of the commercial loans outstanding were floating rate, adjustable rate, re-pricing within one year, or maturing within one year.

Credit Risk

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

The loan portfolio is widely diversified by types of borrowers, industry groups, and market areas 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 March 31, 2023, no significant concentrations existed in the Corporation’s portfolio in excess of 10% of total loan exposure.

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

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

March 31, 2023	NAICS Subsector	Outstanding Balance		Total Exposure		% of Total Loan Exposure
Real Estate(a)	531	$	1,859,450	$	3,481,409	8	%
Utilities(b)	221	2,200,995		2,586,278		6	%
Credit Intermediation and Related Activities(c)	522	951,490		1,980,531		5	%

(a) Includes REIT lines

(b) 53% of the total exposure comes from renewable energy sources (wind, solar, hydroelectric, and geothermal)

(c) Includes mortgage warehouse lines

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

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

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

53

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

Table 8 Largest Commercial Real Estate Investor Property Type Exposures

March 31, 2023	% of Total Loan Exposure		% of Total Commercial Real Estate - Investor Loan Exposure
Multi-Family	4	%	35	%
Industrial	3	%	27	%
Office	3	%	24	%

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

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

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

Table 9 Largest Real Estate Construction Property Type Exposures

March 31, 2023	% of Total Loan Exposure		% of Total Real Estate Construction Loan Exposure
Multi-Family	5	%	42	%
Industrial	3	%	23	%

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

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

Residential mortgages: Residential mortgage loans are primarily first lien home mortgages with a maximum loan-to-collateral value without credit enhancement (e.g. private mortgage insurance) of 80%. The residential mortgage portfolio is focused primarily in the Corporation's three-state branch footprint, with approximately 86% of the outstanding loan balances in the Corporation's branch footprint at March 31, 2023. The rates on adjustable rate mortgages adjust based upon the movement in the underlying index which is then added to a margin and rounded to the nearest 0.125%. That result is then subjected to any periodic caps to produce the borrower's interest rate for the coming term. Most of the adjustable rate mortgages have an initial fixed rate term of 3, 5, 7 or 10 years.

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

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

54

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

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

Indirect Auto: The Corporation currently purchases retail auto sales contracts via a network of approved auto dealerships across 13 states throughout the Northeast, Mid-Atlantic and Midwestern United States. The auto dealerships finance the sale of automobiles as the initial lender and then assign the contracts to the Corporation pursuant to dealer agreements. The Corporation’s underwriting and pricing guidelines are based on a dual risk grade derived from a combination of FICO auto score and proprietary internal custom score. Minimum grade and FICO score standards ensure the credit risk is appropriately managed to the Corporation’s risk appetite. Further, the grade influences loan-specific parameters such as vehicle age, term, LTV, loan amount, mileage, payment and debt service thresholds, and pricing. Maximum loan terms offered are 84 months on select grades with vehicle age, mileage, and other limitations in place to qualify. The program is designed to capture primarily prime and super prime contracts. Over time, the Corporation expects roughly 60% of originations to be secured by used vehicles.

Other consumer: Other consumer consists of student loans, short-term personal installment loans, and credit cards. The Corporation had $73 million and $76 million of student loans at March 31, 2023 and December 31, 2022, respectively, the majority of which are government guaranteed. As a result of the COVID-19 pandemic, the passage of the CARES Act, and subsequent executive orders, federal student loan relief was extended to borrowers with relief set to expire 60 days after either the resolution of court challenges to the debt relief program or June 30, 2023 if the litigation is not resolved by that date. The student loan portfolio is in run-off and no new student loans are being originated. 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 borrowers, monitoring payment histories, and taking appropriate collateral and guarantee positions.

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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 10 provides detailed information regarding NPAs, which include nonaccrual loans, OREO, and repossessed assets:

Table 10 Nonperforming Assets

($ in thousands)	Mar 31, 2023			Dec 31, 2022			Sep 30, 2022			Jun 30, 2022			Mar 31, 2022
Nonperforming assets
Commercial and industrial	$	22,735		$	14,329		$	15,576		$	843		$	266
Commercial real estate — owner occupied	1,478			—			—			—			—
Commercial and business lending	24,213			14,329			15,576			843			266
Commercial real estate — investor	25,122			29,380			37,479			46,823			80,886
Real estate construction	178			105			141			604			609
Commercial real estate lending	25,300			29,485			37,620			47,427			81,495
Total commercial	49,513			43,814			53,196			48,270			81,761
Residential mortgage	58,274			58,480			55,485			52,840			53,827
Auto finance	2,436			1,490			302			53			49
Home equity	7,246			7,487			7,325			7,100			7,490
Other consumer	100			197			98			83			95
Total consumer	68,056			67,654			63,210			60,075			61,460
Total nonaccrual loans	117,569			111,467			116,406			108,345			143,221
Commercial real estate owned	3,071			325			325			957			861
Residential real estate owned	2,987			2,878			2,560			3,042			2,209
Bank properties real estate owned(a)	9,125			11,580			13,487			13,880			15,123
OREO	15,184			14,784			16,373			17,879			18,194
Repossessed assets	92			215			299			102			—
Total nonperforming assets	$	132,845		$	126,466		$	133,078		$	126,327		$	161,414
Accruing loans past due 90 days or more
Commercial	$	323		$	282		$	121		$	133		$	125
Consumer	1,380			1,446			1,297			1,422			1,470
Total accruing loans past due 90 days or more	$	1,703		$	1,728		$	1,417		$	1,555		$	1,595
Restructured loans (accruing)(b)
Commercial	$	47		$	13,093		$	16,097		$	15,425		$	10,127
Consumer	716			19,775			19,036			18,828			19,876
Total restructured loans (accruing)	$	763		$	32,868		$	35,132		$	34,253		$	30,003
Nonaccrual restructured loans (included in nonaccrual loans)	$	341		$	20,127		$	21,650		$	22,172		$	19,352
Ratios
Nonaccrual loans to total loans	0.40		%	0.39		%	0.42		%	0.41		%	0.58		%
NPAs to total loans plus OREO and repossessed assets	0.45		%	0.44		%	0.48		%	0.48		%	0.66		%
NPAs to total assets	0.33		%	0.32		%	0.35		%	0.34		%	0.46		%
Allowance for credit losses on loans to nonaccrual loans	311.48		%	315.34		%	285.79		%	293.09		%	221.92		%

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Table 10 Nonperforming Assets (continued)

($ in thousands)	Mar 31, 2023		Dec 31, 2022		Sep 30, 2022		Jun 30, 2022		Mar 31, 2022
Accruing loans 30-89 days past due
Commercial and industrial	$	4,239	$	6,283	$	1,861	$	1,642	$	1,086
Commercial real estate — owner occupied	2,955		230		—		—		198
Commercial and business lending	7,195		6,512		1,861		1,642		1,284
Commercial real estate — investor	—		1,067		—		5,484		—
Real estate construction	—		39		43		—		—
Commercial real estate lending	—		1,105		43		5,484		—
Total commercial	7,195		7,618		1,904		7,126		1,284
Residential mortgage	7,626		9,874		6,517		5,315		4,957
Auto finance	8,640		9,408		6,206		2,906		949
Home equity	4,113		5,607		4,234		2,961		4,207
Other consumer	1,723		1,610		1,592		1,365		1,232
Total consumer	22,102		26,499		18,549		12,547		11,345
Total accruing loans 30-89 days past due	$	29,297	$	34,117	$	20,452	$	19,673	$	12,629
Potential problem loans
Asset-based lending & equipment finance	$	17,396	$	17,698	$	19,266	$	19,813	$	19,057
Commercial and industrial	117,650		118,851		89,290		84,832		93,450
Commercial real estate — owner occupied	32,077		34,422		28,287		38,628		24,005
Commercial and business lending	167,124		170,971		136,843		143,273		136,513
Commercial real estate — investor	89,653		92,535		117,982		132,635		130,792
Real estate construction	—		970		—		82		200
Commercial real estate lending	89,653		93,505		117,982		132,717		130,992
Total commercial	256,776		264,476		254,825		275,990		267,505
Residential mortgage	1,684		1,978		2,845		3,297		3,032
Home equity	244		197		185		188		156
Total consumer	1,928		2,175		3,030		3,486		3,188
Total potential problem loans	$	258,704	$	266,651	$	257,855	$	279,475	$	270,693

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

(b) On January 1, 2023, the Corporation adopted ASU 2022-02. Under this update, TDRs were eliminated and replaced with a modified loan classification. As a result, amounts reported for March 31, 2023 will not be comparable to prior period reported amounts.

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

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

Restructured loans: Loans are considered restructured loans if concessions have been granted to borrowers that are experiencing financial difficulty. On January 1, 2023, the Corporation adopted ASU 2022-02 prospectively. As a result, loans that were restructured prior to adoption are no longer considered TDRs, and loans restructured since January 1, 2023 are considered restructured. As a result, prior periods are no longer comparable. See also Note 6 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 ACLL. Potential problem loans are generally defined by management to include loans rated as substandard by management that are collectively evaluated; 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.

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.

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Active asset quality administration, including early problem loan identification and timely resolution of problems, aids in the management of credit risk and the minimization of loan losses. Credit risk management for each loan type is discussed in the section entitled Credit Risk. See Note 6 Loans of the notes to consolidated financial statements for additional disclosures on the ACLL.

To assess the appropriateness of the ACLL, the Corporation focuses on the evaluation of many factors, including but not limited to: evaluation of facts and issues related to specific loans, management’s ongoing review and grading of the loan portfolio, credit report refreshes, consideration of historical loan loss and delinquency experience on each portfolio category, trends in past due and nonaccrual loans, the 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 forecast the Corporation used for March 31, 2023 was the Moody's baseline scenario from February 2023, which was reviewed against the March 2023 baseline scenario with no material updates made, over a 2 year reasonable and supportable period with straight-line reversion to historical losses over the second year of the period. Assessing these factors involves significant judgment. Because each of the criteria used is subject to change, the ACLL is not necessarily indicative of the trend of future credit losses on loans in any particular segment. Therefore, management considers the ACLL a critical accounting estimate, see section Critical Accounting Estimates for additional information on the ACLL. See section Nonperforming Assets for a detailed discussion on asset quality. See also Note 6 Loans of the notes to consolidated financial statements for additional ACLL disclosures. Table 5 provides information on loan growth and period end loan composition, Table 10 provides additional information regarding NPAs, and Table 11 and Table 12 provide additional information regarding activity in the ACLL.

The loan segmentation used in calculating the ACLL at March 31, 2023 and December 31, 2022 was generally comparable. The methodology to calculate the ACLL consists of the following components: a valuation allowance estimate is established for commercial and consumer loans determined by the Corporation to be individually evaluated, using discounted cash flows, estimated fair value of underlying collateral, and/or other data available. Loans are segmented for criticized loan pools by loan type as well as for non-criticized loan pools by loan type, primarily based on risk rating rates after considering loan type, historical loss and delinquency experience, credit quality, and industry classifications. Loans that have been criticized are considered to have a higher risk of default than non-criticized loans, as circumstances were present to support the lower loan grade, warranting higher loss factors. Additionally, management allocates ACLL to absorb losses that may not be provided for by the other components due to qualitative factors evaluated by management, such as limitations within the credit risk grading process, known current economic or business conditions that may not yet show in trends, industry or other concentrations with current issues that impose higher inherent risks than are reflected in the loss factors, and other relevant considerations. The total allowance is available to absorb losses from any segment of the loan portfolio.

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Table 11 Allowance for Credit Losses on Loans

	Quarter Ended
($ in thousands)	Mar 31, 2023			Dec 31, 2022			Sep 30, 2022			Jun 30, 2022			Mar 31, 2022
Allowance for Loan Losses
Balance at beginning of period	$	312,720		$	292,904		$	280,771		$	279,058		$	280,015
Provision for loan losses	17,000			21,000			14,000			2,000			(3,000)
Charge offs	(5,501)			(2,982)			(3,346)			(1,791)			(2,028)
Recoveries	2,212			1,798			1,478			1,504			4,072
Net (charge offs) recoveries	(3,289)			(1,183)			(1,867)			(287)			2,044
Balance at end of period	$	326,432		$	312,720		$	292,904		$	280,771		$	279,058
Allowance for Unfunded Commitments
Balance at beginning of period	$	38,776		$	39,776		$	36,776		$	38,776		$	39,776
Provision for unfunded commitments	1,000			(1,000)			3,000			(2,000)			(1,000)
Balance at end of period	$	39,776		$	38,776		$	39,776		$	36,776		$	38,776
Allowance for credit losses on loans	$	366,208		$	351,496		$	332,680		$	317,547		$	317,835
Provision for credit losses on loans	18,000			20,000			17,000			—			(4,000)
Net loan (charge offs) recoveries
Commercial and industrial	(1,759)			278			(897)			(444)			1,854
Commercial real estate — owner occupied	3			3			3			4			3
Commercial and business lending	(1,756)			281			(894)			(440)			1,857
Commercial real estate — investor	—			—			—			—			—
Real estate construction	18			16			9			2			32
Commercial real estate lending	18			16			9			2			32
Total commercial	(1,738)			297			(885)			(439)			1,889
Residential mortgage	(53)			(125)			(42)			220			288
Auto finance	(957)			(768)			(165)			(14)			4
Home equity	340			123			(101)			461			315
Other consumer	(881)			(711)			(675)			(516)			(451)
Total consumer	(1,550)			(1,480)			(983)			151			155
Total net (charge offs) recoveries	$	(3,289)		$	(1,183)		$	(1,867)		$	(287)		$	2,044
Ratios
Allowance for credit losses on loans to total loans	1.25		%	1.22		%	1.20		%	1.20		%	1.30		%
Allowance for credit losses on loans to net charge offs (annualized)	27.5x			74.9x			44.9x			N/M			N/M
Loan Evaluation Method for ACLL
Individually evaluated for impairment	$	11,585		$	10,324		$	15,739		$	10,068		$	13,625
Collectively evaluated for impairment	354,623			341,172			316,942			307,480			304,210
Total ACLL	$	366,208		$	351,496		$	332,680		$	317,547		$	317,835
Loan Balance
Individually evaluated for impairment	$	48,934		$	76,577		$	87,712		$	81,457		$	110,445
Collectively evaluated for impairment	29,158,138			28,722,992			27,729,568			26,413,241			24,421,481
Total loan balance	$	29,207,072		$	28,799,569		$	27,817,280		$	26,494,698		$	24,531,926

N/M = Not Meaningful

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

	Quarter Ended
(In basis points)	Mar 31, 2023	Dec 31, 2022	Sep 30, 2022	Jun 30, 2022	Mar 31, 2022
Net loan (charge offs) recoveries
Commercial and industrial	(8)	1	(4)	(2)	10
Commercial real estate — owner occupied	—	—	—	—	—
Commercial and business lending	(7)	1	(3)	(2)	8
Commercial real estate — investor	—	—	—	—	—
Real estate construction	—	—	—	—	1
Commercial real estate lending	—	—	—	—	—
Total commercial	(4)	1	(2)	(1)	5
Residential mortgage	—	(1)	—	1	2
Auto finance	(26)	(24)	(7)	(1)	1
Home equity	22	8	(7)	32	22
Other consumer	(125)	(95)	(89)	(70)	(62)
Total consumer	(6)	(6)	(4)	1	1
Total net (charge offs) recoveries	(5)	(2)	(3)	—	3

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

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

•Total loans increased $408 million, or 1%, from December 31, 2022, and increased $4.7 billion, or 19%, from March 31, 2022. The increase from March 31, 2022 was driven by growth across nearly all major loan portfolios resulting from the Corporation's strategic initiatives. See also Note 6 Loans of the notes to consolidated financial statements for additional information on loans.

•Potential problem loans decreased $8 million, or 3%, from December 31, 2022, and decreased $12 million, or 4%, from March 31, 2022. The decrease from December 31, 2022 was primarily driven by decreases in potential problem loans within total commercial lending. The decrease from March 31, 2022 was primarily driven by a decrease within CRE-investor lending, partially offset by an increase within commercial and business lending. See Table 10 for additional information regarding potential problem loans.

•Total nonaccrual loans increased $6 million, or 5%, from December 31, 2022, and decreased $26 million, or 18%, from March 31, 2022. The increase from December 31, 2022 was primarily due to an increase in nonaccrual loans within commercial and business lending, partially offset by a decrease within CRE-investor lending. The decrease from March 31, 2022 was primarily driven by a decrease in CRE-investor lending, partially offset by an increase in commercial and industrial lending. See Note 6 Loans of the notes to consolidated financial statements and Table 10 for additional disclosures on the changes in asset quality.

•YTD net charge offs increased $5 million from March 31, 2022, primarily driven by an increase in net charge offs within commercial and industrial lending. See Table 11 and Table 12 for additional information on the activity in the ACLL.

Management believes the level of ACLL to be appropriate at March 31, 2023.

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Deposits and Customer Funding

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

Table 13 Period End Deposit and Customer Funding Composition

	Mar 31, 2023				Dec 31, 2022				Sep 30, 2022				Jun 30, 2022				Mar 31, 2022
($ in thousands)	Amount		% of Total		Amount		% of Total		Amount		% of Total		Amount		% of Total		Amount		% of Total
Noninterest-bearing demand	$	7,328,689	24	%	$	7,760,811	26	%	$	8,224,579	28	%	$	8,085,702	28	%	$	8,315,699	29	%
Savings	4,730,472		16	%	4,604,848		15	%	4,708,720		16	%	4,708,156		16	%	4,661,232		16	%
Interest-bearing demand	6,977,121		23	%	7,100,727		24	%	7,122,218		24	%	6,789,722		24	%	6,616,767		23	%
Money market	8,357,625		28	%	8,239,610		28	%	7,909,232		27	%	7,769,415		27	%	7,522,797		26	%
Brokered CDs	1,185,565		4	%	541,916		2	%	—		—	%	2,121		—	%	—		—	%
Other time deposits	1,752,351		6	%	1,388,242		5	%	1,233,833		4	%	1,221,460		4	%	1,288,913		5	%
Total deposits	$	30,331,824	100	%	$	29,636,154	100	%	$	29,198,581	100	%	$	28,576,577	100	%	$	28,405,409	100	%
Other customer funding(a)	226,258				261,767				283,856				296,440				299,301
Total deposits and other customer funding	$	30,558,081			$	29,897,921			$	29,482,437			$	28,873,017			$	28,704,710
Network transaction deposits(b)	$	1,273,420			$	979,003			$	864,086			$	891,902			$	762,680
Net deposits and other customer funding(c)	28,099,096				28,377,001				28,618,351				27,978,993				27,942,029
Time deposits of more than $250,000	345,169				282,206				222,318				180,705				209,208

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

•Total deposits, which are the Corporation's largest source of funds, increased $696 million, or 2%, from December 31, 2022, and increased $1.9 billion, or 7%, from March 31, 2022, primarily due to increases in time deposits and network transaction deposits.

•Estimated uninsured and uncollateralized deposits, excluding intercompany deposits, were 24.3% of total deposits at March 31, 2023, compared to 26.4% at December 31, 2022 and 25.1% at March 31, 2022.

•No single NAICS sector represents more than 10% of total deposits, with the largest sector being public administration which are collateralized deposits.

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 March 31, 2023, the Corporation was in compliance with its internal liquidity objectives and had sufficient asset-based liquidity to meet its obligations even under a stressed scenario.

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

•Pledgeable loan and investment 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, and issue letters of credit in favor of public fund depositors, against the collateral. As of March 31, 2023, the Bank had $3.5 billion available for future funding. The Federal Reserve Bank also establishes a collateral value of assets to support borrowings from the discount window. As of March 31, 2023, the Bank had $1.8 billion available for discount window borrowings.

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•As a result of two recent bank failures, the Federal Reserve has made available to banks the BTFP, against which the Corporation can borrow with qualifying collateral, including the bulk of the investment securities portfolio, valued at par as permitted by the terms of the program. As of March 31, 2023, the Bank had up to $645 million available for borrowing under the BTFP.

•A $200 million Parent Company commercial paper program, of which $18 million was outstanding as of March 31, 2023.

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

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

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

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

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

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

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

For the three months ended March 31, 2023, net cash provided by operating and financing activities was $47 million and $1.2 billion, respectively, while net cash used in investing activities was $1.1 billion, for a net increase in cash and cash equivalents of $201 million since year-end 2022. At March 31, 2023, assets of $40.7 billion increased $1.3 billion, or 3%, from year-end 2022, primarily due to increases in AFS securities, loan growth and cash balances. On the funding side, deposits of $30.3 billion increased $696 million, or 2%, from year-end 2022, FHLB advances increased $666 million, or 15%, and other long-term funding increased $296 million, or 119%, the latter due to the issuance of subordinated debt.

For the three months ended March 31, 2022, net cash provided by operating activities was $246 million, while net cash used in investing and financing activities was $640 million and $131 million, respectively, for a net decrease in cash and cash equivalents of $524 million since year-end 2021. At March 31, 2022, assets of $35.0 billion decreased $148 million from year-end 2021. On the funding side, deposits of $28.4 billion decreased $61 million from year-end 2021.

Quantitative and Qualitative Disclosures about Market Risk

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

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

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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 three months of 2023.

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, generally, a higher yield curve adds to income while a lower yield curve has a negative impact on earnings. The Corporation's EAR profile is asset sensitive at March 31, 2023.

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 2022 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 more significant impact.

Table 14 Estimated % Change in Rate Sensitive Earnings at Risk Over 12 Months

	Mar 31, 2023				Dec 31, 2022
	Dynamic Forecast		Static Forecast		Dynamic Forecast		Static Forecast
Gradual Rate Change
100 bp increase in interest rates	3.4	%	2.5	%	3.9	%	3.4	%
200 bp increase in interest rates	6.8	%	5.0	%	7.8	%	6.8	%
100 bp decrease in interest rates	(2.3)	%	(1.4)	%	(3.4)	%	(2.9)	%
200 bp decrease in interest rates	(4.4)	%	(2.6)	%	(6.7)	%	(5.7)	%

At March 31, 2023, the MVE profile indicates a decrease in net balance sheet value due to instantaneous upward changes in rates and an increase in net balance sheet value due to instantaneous downward changes in rates.

Table 15 Market Value of Equity Sensitivity

	Mar 31, 2023		Dec 31, 2022
Instantaneous Rate Change
100 bp increase in interest rates	(5.9)	%	(4.2)	%
200 bp increase in interest rates	(11.9)	%	(8.2)	%
100 bp decrease in interest rates	5.8	%	4.3	%
200 bp decrease in interest rates	10.5	%	8.0	%

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.

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 ARRC, through authority from the Federal Reserve, has selected SOFR as the alternative rate and developed a paced transition plan which addresses the risk that LIBOR may not exist beyond June 2023.

As part of the Corporation's efforts to limit exposure to LIBOR based loans, performing borrowers can modify or refinance their residential mortgage loans to a fixed interest rate or an adjustable rate mortgage tied to the one-year treasury adjusted to a

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constant maturity of one year with an appropriate margin. This provides the Bank and borrower with greater certainty around the loan structure. The Bank has not booked a LIBOR adjustable rate mortgage since the first quarter of 2020.

Additionally, the Corporation has been monitoring its volume of commercial credits and derivatives tied to LIBOR. In 2021, the Corporation began prioritizing SOFR, Prime, and Ameribor as the preferred alternative reference rates and ceased booking LIBOR based commitments after the end of 2021. Loans with a maturity after June 2023 are being reviewed and monitored to ensure there is appropriate fallback language in place when LIBOR is no longer published. Loans with a maturity date before that time should naturally mature and be re-underwritten with an appropriate alternative index rate.

As of March 31, 2023, the notional amount of our LIBOR-referenced interest rate derivative contracts was $4.4 billion, all of which were entered specifically to accommodate customer needs.

The following table summarizes the outstanding LIBOR loan exposures at March 31, 2023 and the exposures based upon loan maturity at June 30, 2023.

Table 16 LIBOR Loan Exposure

	March 31, 2023				June 30, 2023
($ in thousands)	Balance		Commitment		Contractual Commitment(a)
Commercial and industrial(b)	$	494,394	$	912,624	$	877,121
Commercial real estate - owner occupied	228,463		246,371		238,371
Commercial and business lending	722,857		1,158,995		1,115,492
Commercial real estate - investor	1,811,217		1,918,860		1,789,636
Real estate construction	680,449		954,264		852,903
Commercial real estate lending	2,491,667		2,873,124		2,642,539
Total commercial	3,214,523		4,032,119		3,758,031
Residential mortgage	265,956		265,956		265,956
Other consumer	2,249		5,799		4,549
Total consumer	268,205		271,756		270,506
Total	$	3,482,728	$	4,303,874	$	4,028,537

(a) Based on current March 31, 2023 balances not factoring in amortization between March 31, 2023 and June 30, 2023.

(b) Includes asset-based lending.

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

The following table summarizes significant contractual obligations and other commitments at March 31, 2023, at those amounts contractually due to the recipient, including any unamortized premiums or discounts, hedge basis adjustments, or other similar carrying value adjustments.

Table 17 Contractual Obligations and Other Commitments

($ in thousands)	Note Reference	One Year or Less		One to Three Years		Three to Five Years		Over Five Years		Total
Time deposits		$	2,531,249	$	378,276	$	28,386	$	5	$	2,937,916
Short-term funding	8	226,608		—		—		—		226,608
FHLB advances	8	3,785,633		395,540		605,417		199,548		4,986,138
Other long-term funding	8	87		248,912		183		294,921		544,103
Operating leases	16	5,458		8,912		7,297		5,271		26,938
Total		$	6,549,035	$	1,031,640	$	641,282	$	499,745	$	8,721,703

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

Capital

Management actively reviews capital strategies for the Corporation and each of its subsidiaries in light of perceived business risks, future growth opportunities, industry standards, and compliance with regulatory requirements. The assessment of overall capital adequacy depends on a variety of factors, including asset quality, liquidity, stability of earnings, changing competitive forces, economic condition in markets served, and strength of management. At March 31, 2023, the capital ratios of the

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Corporation and its banking subsidiaries were in excess of regulatory minimum requirements. The Corporation’s capital ratios are summarized in the following table.

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

For additional information regarding the potential for additional regulation and supervision as a result of the recent bank failures, see Part II, Item 1A, Risk Factors.

Table 18 Capital Ratios

	Quarter Ended
($ in thousands)	Mar 31, 2023			Dec 31, 2022			Sep 30, 2022			Jun 30, 2022			Mar 31, 2022
Risk-based Capital(a)
CET1	$	3,085,618		$	3,035,578		$	2,955,710		$	2,896,675		$	2,837,789
Tier 1 capital	3,279,730			3,229,690			3,149,822			3,089,593			3,030,579
Total capital	3,990,606			3,680,227			3,582,099			3,506,864			3,448,108
Total risk-weighted assets	32,648,115			32,472,008			31,405,843			29,863,512			27,780,642
Modified CECL transitional amount	44,851			67,276			67,276			67,276			67,276
CET1 capital ratio	9.45		%	9.35		%	9.41		%	9.70		%	10.22		%
Tier 1 capital ratio	10.05		%	9.95		%	10.03		%	10.35		%	10.91		%
Total capital ratio	12.22		%	11.33		%	11.41		%	11.74		%	12.41		%
Tier 1 leverage ratio	8.46		%	8.59		%	8.66		%	8.87		%	8.86		%
Selected Equity and Performance Ratios
Total stockholders’ equity / total assets	10.14		%	10.19		%	10.39		%	10.63		%	11.30		%
Dividend payout ratio(b)	31.34		%	30.00		%	32.26		%	35.71		%	41.67		%
Return on average assets	1.06		%	1.12		%	1.02		%	0.97		%	0.86		%
Annualized noninterest expense / average assets	1.92		%	2.03		%	2.08		%	2.04		%	2.00		%

(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.

See Part II, Item 2, Unregistered Sales of Equity Securities and Use of Proceeds, for information on the shares repurchased during the first quarter of 2023.

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Non-GAAP Measures

Table 19 Non-GAAP Measures

	Quarter Ended
($ in thousands)	Mar 31, 2023			Dec 31, 2022			Sep 30, 2022			Jun 30, 2022			Mar 31, 2022
Selected equity and performance ratios(a)(b)(c)
Tangible common equity / tangible assets	7.03		%	6.97		%	7.06		%	7.23		%	7.68		%
Return on average equity	10.32		%	10.81		%	9.59		%	8.85		%	7.55		%
Return on average tangible common equity	15.26		%	16.15		%	14.32		%	13.29		%	11.26		%
Return on average CET1	13.38		%	14.04		%	12.69		%	11.77		%	10.27		%
Return on average tangible assets	1.11		%	1.18		%	1.08		%	1.03		%	0.90		%
Average stockholders' equity / average assets	10.26		%	10.40		%	10.69		%	11.02		%	11.33		%
Tangible common equity reconciliation(a)
Common equity	$	3,931,551		$	3,821,378		$	3,759,840		$	3,766,187		$	3,755,092
Goodwill and other intangible assets, net	(1,152,072)			(1,154,274)			(1,156,477)			(1,158,680)			(1,160,883)
Tangible common equity	$	2,779,480		$	2,667,104		$	2,603,363		$	2,607,507		$	2,594,209
Tangible assets reconciliation(a)
Total assets	$	40,702,519		$	39,405,727		$	38,049,607		$	37,235,990		$	34,955,900
Goodwill and other intangible assets, net	(1,152,072)			(1,154,274)			(1,156,477)			(1,158,680)			(1,160,883)
Tangible assets	$	39,550,448		$	38,251,453		$	36,893,130		$	36,077,310		$	33,795,017
Average tangible common equity and average CET1 reconciliation(a)
Common equity	$	3,867,890		$	3,797,568		$	3,791,396		$	3,743,919		$	3,793,597
Goodwill and other intangible assets, net	(1,153,173)			(1,155,408)			(1,157,754)			(1,160,035)			(1,162,204)
Tangible common equity	2,714,716			2,642,160			2,633,642			2,583,884			2,631,393
Modified CECL transitional amount	44,851			67,276			67,276			67,276			67,276
Accumulated other comprehensive loss	258,827			254,178			189,935			170,253			80,383
Deferred tax assets, net	28,157			29,248			29,875			39,072			39,411
Average CET1	$	3,046,551		$	2,992,862		$	2,920,729		$	2,860,485		$	2,818,464
Average tangible assets reconciliation(a)
Total assets	$	39,607,065		$	38,385,436		$	37,271,779		$	35,732,583		$	35,200,182
Goodwill and other intangible assets, net	(1,153,173)			(1,155,408)			(1,157,754)			(1,160,035)			(1,162,204)
Tangible assets	$	38,453,892		$	37,230,028		$	36,114,025		$	34,572,548		$	34,037,978
Adjusted net income reconciliation(b)
Net income	$	103,360		$	108,762		$	96,275		$	86,824		$	74,262
Other intangible amortization, net of tax	1,652			1,652			1,652			1,652			1,652
Adjusted net income	$	105,012		$	110,414		$	97,927		$	88,476		$	75,914
Adjusted net income available to common equity reconciliation(b)
Net income available to common equity	$	100,485		$	105,887		$	93,400		$	83,949		$	71,387
Other intangible amortization, net of tax	1,652			1,652			1,652			1,652			1,652
Adjusted net income available to common equity	$	102,137		$	107,539		$	95,052		$	85,601		$	73,039
Core customer deposit reconciliation
Total deposits	$	30,331,824		$	29,636,154		$	29,198,581		$	28,576,577		$	28,405,409
Brokered CDs	(1,273,420)			(979,003)			(864,086)			(891,902)			(762,680)
Network transaction deposits	(1,185,565)			(541,916)			—			(2,121)			—
Core customer deposits	$	27,872,839		$	28,115,235		$	28,334,495		$	27,682,553		$	27,642,728
Efficiency ratio reconciliation(d)
Federal Reserve efficiency ratio	56.07		%	55.47		%	60.32		%	61.53		%	65.71		%
Fully tax-equivalent adjustment	(0.79)		%	(0.77)		%	(0.87)		%	(0.98)		%	(1.13)		%
Other intangible amortization	(0.66)		%	(0.62)		%	(0.67)		%	(0.76)		%	(0.84)		%
Fully tax-equivalent efficiency ratio	54.64		%	54.08		%	58.79		%	59.80		%	63.76		%

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

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

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

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

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Sequential Quarter Results

The Corporation reported net income of $103 million for the first quarter of 2023, compared to net income of $109 million for the fourth quarter of 2022. Net income available to common equity was $100 million for the first quarter of 2023, or $0.67 for basic earnings per common share and $0.66 for diluted earnings per common share. Comparatively, net income available to common equity for the fourth quarter of 2022 was $106 million, or $0.70 for both basic and diluted earnings per common share (see Table 1).

Fully tax-equivalent net interest income for the first quarter of 2023 was $279 million, $15 million, or 5%, lower than the fourth quarter of 2022. The net interest margin in the first quarter of 2023 was down 24 bp to 3.07%. The decreases in net interest income and net interest margin were due to increased interest-bearing liability costs. Average earning assets increased $1.2 billion, or 3%, to $36.6 billion in the first quarter of 2023. Average loans increased $650 million, or 2%, driven by growth across nearly all loan categories. On the funding side, average total interest-bearing deposits increased $1.3 billion, or 6%, primarily due to increases in time deposits and network transaction deposits, average FHLB advances increased $464 million, or 12%, and average long-term funding increased $160 million, or 64% due to the issuance of subordinated debt in February 2023 (see Table 2).

The provision for credit losses was $18 million for the first quarter of 2023, compared to a $20 million provision for the fourth quarter of 2022 (see Table 11). See discussion under sections: Provision for Credit Losses, Nonperforming Assets, and Allowance for Credit Losses on Loans.

Noninterest income for the first quarter of 2023 was $62 million, up approximately $416,000, or 1%, from the fourth quarter of 2022 (see Table 3).

Noninterest expense for the first quarter of 2023 was $187 million, down $9 million, or 5%, from the fourth quarter of 2022, driven primarily by reductions in business development and advertising, personnel, technology and other miscellaneous expenses (see Table 4).

For the first quarter of 2023, the Corporation recognized income tax expense of $27 million, compared to income tax expense of $25 million for the fourth quarter of 2022. See Income Taxes section for a detailed discussion on income taxes.

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Segment Review

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

Table 20 Selected Segment Financial Data

	Three Months Ended Mar 31,
($ in thousands)	2023			2022			% Change
Corporate and Commercial Specialty
Total revenue	$	170,858		$	136,886		25	%
Provision for credit losses	13,782			12,653			9	%
Noninterest expense	62,061			56,528			10	%
Income tax expense	17,737			12,307			44	%
Net income	77,278			55,399			39	%
Average earning assets	17,106,092			14,416,342			19	%
Average loans	17,090,623			14,414,631			19	%
Average deposits	9,692,711			9,411,118			3	%
Average allocated capital (Average CET1)(a)	1,704,399			1,420,970			20	%
Return on average allocated capital(a)	18.39		%	15.81		%	N/M
Community, Consumer, and Business
Total revenue	$	194,312		$	121,584		60	%
Provision for credit losses	6,758			4,656			45	%
Noninterest expense	111,694			98,461			13	%
Income tax expense	15,931			3,878			N/M
Net income	59,930			14,588			N/M
Average earning assets	11,253,794			9,175,473			23	%
Average loans	11,253,794			9,175,473			23	%
Average deposits	18,121,871			18,414,526			(2)	%
Average allocated capital (Average CET1)(a)	711,506			514,543			38	%
Return on average allocated capital(a)	34.16		%	11.50		%	N/M
Risk Management and Shared Services
Total revenue	$	(29,087)		$	3,744		N/M
Provision for credit losses	(2,568)			(21,300)			(88)	%
Noninterest expense	13,658			18,303			(25)	%
Income tax expense (benefit)	(6,328)			2,465			N/M
Net income (loss)	(33,848)			4,275			N/M
Average earning assets	8,220,928			8,395,571			(2)	%
Average loans	501,401			507,633			(1)	%
Average deposits	2,050,490			821,726			150	%
Average allocated capital (Average CET1)(a)	630,647			882,951			(29)	%
Return on average allocated capital(a)	(23.62)		%	0.64		%	N/M
Consolidated Total
Total revenue	$	336,083		$	262,214		28	%
Return on average allocated capital(a)	13.38		%	10.27		%	N/M

N//M = Not meaningful

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

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Notable Changes in Segment Financial Data

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

•Total revenue increased $34 million from the three months ended March 31, 2022, primarily attributable to higher loan volumes and interest rates.

•Noninterest expense increased $6 million from the three months ended March 31, 2022, primarily due to higher personnel costs and allocated corporate overhead.

•Average loans increased $2.7 billion from the three months ended March 31, 2022, driven primarily by loan growth in commercial and business lending and CRE lending.

•Average deposits increased $282 million from the three months ended March 31, 2022, primarily driven by increases in money market deposits, partially offset by reductions in demand deposits.

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

•Total revenue increased $73 million from the three months ended March 31, 2022, as a result of receiving FTP credit for providing funding for the Corporation's loan growth.

•Noninterest expense increased $13 million from the three months ended March 31, 2022, driven by increased personnel expense largely driven by hiring related to previously announced initiatives and continued investment in our employees, as well as higher allocated corporate overhead.

•Average loans increased $2.1 billion from the three months ended March 31, 2022, primarily driven by growth in auto finance and residential mortgage lending within the consumer portfolio.

•Average deposits decreased $293 million from the three months ended March 31, 2022, driven by reductions in demand deposits and money market accounts, partially offset by growth in time deposits and savings accounts.

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

•Total revenue decreased $33 million from the three months ended March 31, 2022, primarily driven by increased interest expense as a result of holding more brokered time deposits and other short term funding.

•Provision for credit losses increased $19 million from the three months ended March 31, 2022, driven by larger provision releases in the first quarter of 2022.

•Average deposits increased $1.2 billion from the three months ended March 31, 2022, primarily driven by increases in brokered time deposits and network deposits.

Critical Accounting Estimates

In preparing the consolidated financial statements, management is required to make estimates and assumptions that affect the reported amounts of assets and liabilities as of the date of the balance sheet and revenues and expenses for the period. Actual results could differ significantly from those estimates. The determination of the ACLL is particularly susceptible to significant change. A discussion of these estimates can be found in the Critical Accounting Estimates section in Management's Discussion and Analysis of Financial Condition and Results of Operations included in the Corporation’s 2022 Annual Report on Form 10-K. There have been no changes in the Corporation's application of critical accounting estimates since December 31, 2022.

Recent Developments

On April 25, 2023, the Corporation’s Board of Directors declared a regular quarterly cash dividend of $0.21 per common share, payable on June 15, 2023 to shareholders of record at the close of business on June 1, 2023. 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 June 15, 2023 to shareholders of record at the close of business on June 1, 2023. The Board of

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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 June 15, 2023 to shareholders of record at the close of business on June 1, 2023.

On April 21, 2023, Moody's downgraded all long-term ratings and assessments of the Corporation and the Bank one-notch. Short-term ratings were affirmed and the Bank's long-term local currency bank deposits rating outlook was changed to stable.

During the period from April 14, 2023 to April 19, 2023, the Corporation issued $1.8 billion of brokered CDs. These brokered CDs ranged in maturity from 1 month to 15 months and had coupon rates between 4.75% and 4.95%. The proceeds from the issuance of these brokered CDs were used to pay down comparably priced FHLB advances. By paying down FHLB advances, the available lines that are immediately available at the FHLB increased, resulting in more immediate term liquidity, as opposed to other liquidity sources which may take longer to issue.

The following table presents an estimate of uninsured, uncollateralized deposits at March 31, 2023 and April 19, 2023.

Table 21 Deposit Disaggregation by Status

($ in thousands)	March 31, 2023		April 19, 2023
Total deposits	$	30,331,824	$	31,414,831
Insured and intercompany deposits	19,418,657		20,659,250
Collateralized deposits(a)	3,575,881		3,318,830
Uninsured, uncollateralized deposits	$	7,337,286	$	7,436,751

(a) Investment securities and FHLB letters of credit are pledged to secure collateralized deposits.

The following table presents secured and total available liquidity sources and coverage of estimated uninsured and uncollateralized deposits at March 31, 2023 and April 19, 2023.

Table 22 Liquidity Sources and Uninsured Deposit Coverage Ratio

($ in thousands)	March 31, 2023			April 19, 2023
Federal Reserve Bank balance	$	504,169		$	503,289
Available FHLB Chicago capacity	3,453,813			4,740,639
Available Federal Reserve Bank discount window capacity	1,799,453			1,806,217
Available BTFP capacity	644,915			644,256
Funding available within one business day(a)	6,402,351			7,694,402
Available federal funds lines	2,773,000			2,606,000
Available brokered deposits capacity(b)	3,646,000			1,833,000
Unsecured debt capacity(b)	1,000,000			1,000,000
Total available liquidity	$	13,821,351		$	13,133,402
Coverage ratio of uninsured and uncollateralized deposits with secured funding	87		%	103		%
Coverage ratio of uninsured and uncollateralized deposits with total funding	188		%	177		%

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

(b) Availability based on internal policy limitations.

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.

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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 March 31, 2023, 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 March 31, 2023.

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 11 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 2022 Annual Report on Form 10-K and should be read in conjunction therewith.

Recent volatility in the banking sector, triggered by the failures of Silicon Valley Bank and Signature Bank, may result in legislative initiatives, agency rulemaking activities, or changes in agency policies and priorities that could subject the Corporation and the Bank to enhanced government regulation and supervision.

On March 10, 2023, SVB was closed by the California Department of Financial Protection and Innovation. Two days later, on March 12, 2023, SBNY also failed. In each case, the FDIC was appointed as receiver. The FDIC, together with the Federal Reserve and the U.S. Treasury Secretary, then took action under applicable emergency systemic risk authority to fully protect the depositors of each bank as the institutions were wound down. SVB and SBNY each had substantial business relationships with, and exposure to, entities within the innovation sector, including financial technology and digital asset companies, and had received an influx of deposits over the course of several years which coincided with the rapid growth of that sector. In recent periods, however, SVB and SBNY each began to experience significant deposit losses. These losses increased rapidly in early March, ultimately causing each institution to fail.

Investor and customer confidence in the banking sector, particularly with regard to mid-size and larger regional banking organizations, waned in response to the failures of SVB and SBNY. Notably, the Corporation’s share price decreased by 22% during the month of March, consistent with other regional banking organizations. According to data published by the Federal Reserve, deposits at domestic commercial banks decreased by approximately $280 billion between the end of February 2023 and the week ended March 29, 2023. The Bank’s deposits decreased by $248 million during this period, which was a decrease of less than 1%.

Congress and the federal banking agencies have begun to evaluate the events leading to the failures of SVB and SBNY to ascertain possible explanations for these developments. Preliminarily, legislators and the leadership of the federal banking agencies have posited varying theories, including, for example, inadequate prudential regulation of regional banking organizations (generally, institutions with less than $250 billion in total assets), insufficient supervision of such organizations, and a failure by the institutions themselves to properly manage risks, specifically including interest rate and liquidity risks in consideration of each institution’s business model, exposure to the innovation sector, and substantial uninsured deposit liabilities.

Further evaluation of recent developments in the banking sector may lead to governmental initiatives intended to prevent future bank failures and stem significant deposit outflows from the banking sector, including (i) legislation aimed at preventing similar future bank runs and failures and stabilizing confidence in the banking sector over the long term, (ii) agency rulemaking to modify and enhance relevant regulatory requirements, specifically with respect to liquidity risk management, deposit concentrations, capital adequacy, stress testing and contingency planning, and safe and sound banking practices, and (iii) enhancement of the agencies’ supervision and examination policies and priorities. More specifically, for instance, the federal banking agencies may modify the risk-based capital regulations to eliminate the ability of certain banks to elect to offset portions of their AOCI when calculating regulatory capital requirements. Alternatively, the treatment of AOCI under GAAP also could be modified, the effect of which may carry through to banks’ capital management and regulatory compliance practices. The federal banking agencies may also re-evaluate applicable liquidity risk management standards, such as by reconsidering the mix of assets that are deemed to be “high-quality liquid assets” and/or how HQLA holdings and cash inflows and outflows are tabulated and weighted for liquidity management purposes.

Although we cannot predict with certainty which initiatives may be pursued by lawmakers and agency leadership, nor can we predict the terms and scope of any such initiatives, any of the potential changes referenced above could, among other things, subject us to additional costs, limit the types of financial services and products we may offer, and limit our future growth, any of which could materially and adversely affect our business, results of operations or financial condition.

72

We may experience increases in FDIC insurance assessments.

The losses incurred by the DIF in connection with the resolution of SVB and SBNY, which are estimated to amount to approximately $22.5 billion in the aggregate, are required by law to be recovered through one or more special assessments on depository institutions and, potentially, their holding companies (if the FDIC determines such action to be appropriate and the Secretary of the Treasury concurs). The FDIC must consider a variety of factors in determining the terms and applicability of any such special assessment, including, among others, the types of entities that benefit from the action taken by the agencies, economic conditions, and anticipated industry impacts. The FDIC has announced that it intends to publish a notice of proposed rulemaking for a special assessment in May 2023. It is also possible that our regular deposit insurance assessment rates will increase should the FDIC alter the assessment rate schedule or calculation methodology for all larger financial institutions (including the Bank) as a result of the recent bank failures. Although we cannot predict the specific timing and terms of any special assessment relating to the resolution of SVB and SBNY, or any other increase in our deposit insurance assessment rates, any increase in our assessment fees could have a materially adverse effect on our results of operations and financial condition.

The proportion of our deposit account balances that exceed FDIC insurance limits may expose the Bank to enhanced liquidity risk in times of financial distress.

A significant factor in the failures of SVB and SBNY appears to have been the proportion of the deposits held by each institution that exceeded FDIC insurance limits. In response to the failures of SVB and SBNY, many large depositors across the industry have withdrawn deposits in excess of applicable deposit insurance limits and deposited these funds in other financial institutions and, in many instances, moved these funds into money market mutual funds or other similar securities accounts in an effort to diversify the risk of further bank failure(s).

Uninsured deposits historically have been viewed by the FDIC as less stable than insured deposits. According to statements made by the FDIC staff and the leadership of the federal banking agencies, customers with larger uninsured deposit account balances often are small- and mid-sized businesses that rely upon deposit funds for payment of operational expenses and, as a result, are more likely to closely monitor the financial condition and performance of their depository institutions. As a result, in the event of financial distress, uninsured depositors historically have been more likely to withdraw their deposits.

If a significant portion of our deposits were to be withdrawn within a short period of time such that additional sources of funding would be required to meet withdrawal demands, the Corporation may be unable to obtain funding at favorable terms, which may have an adverse effect on our net interest margin. Moreover, obtaining adequate funding to meet our deposit obligations may be more challenging during periods of elevated prevailing interest rates, such as the present period. Our ability to attract depositors during a time of actual or perceived distress or instability in the marketplace may be limited. Further, interest rates paid for borrowings generally exceed the interest rates paid on deposits. This spread may be exacerbated by higher prevailing interest rates. In addition, because our AFS investment securities lose value when interest rates rise, after-tax proceeds resulting from the sale of such assets may be diminished during periods when interest rates are elevated. Under such circumstances, we may be required to access funding from sources such as the Federal Reserve’s discount window or its recently established Bank Term Funding Program in order to manage our liquidity risk. See sections Deposits and Customer Funding and Liquidity of Part I, Item 2, Management's Discussion and Analysis of Financial Condition and Results of Operations for additional disclosures and discussion pertaining to uninsured deposits and liquidity.

Adverse changes to our credit ratings could limit our access to funding and increase our borrowing costs.

Credit ratings are subject to ongoing review by rating agencies, which consider a number of factors, including our financial strength, performance, prospects and operations as well as factors not under our control. Other factors that influence our credit ratings include changes to the rating agencies’ methodologies for our industry or certain security types; the rating agencies’ assessment of the general operating environment for financial services companies; our relative positions in the markets in which we compete; our various risk exposures and risk management policies and activities; pending litigation and other contingencies; our reputation; our liquidity position, diversity of funding sources and funding costs; the current and expected level and volatility of our earnings; our capital position and capital management practices; our corporate governance; current or future regulatory and legislative initiatives; and the agencies’ views on whether the U.S. government would provide meaningful support to the Corporation or its subsidiaries in a crisis. Rating agencies could make adjustments to our credit ratings at any time, and there can be no assurance that they will maintain our ratings at current levels or that downgrades will not occur.

A downgrade in our credit ratings could potentially adversely affect the cost and other terms upon which we are able to borrow or obtain funding, increase our cost of capital and/or limit our access to capital markets. Credit rating downgrades or negative watch warnings could also negatively impact our reputation and the perception of the Corporation by lenders, investors and other third parties, which could also impair our ability to compete in certain markets or engage in certain transactions. In particular, holders of deposits which exceed FDIC insurance limits may perceive such a downgrade or warning negatively and withdraw all or a portion of such deposits. While certain aspects of a credit rating downgrade are quantifiable, the impact it

73

would have on our liquidity, business and results of operations in future periods is inherently uncertain and would depend on a number of interrelated factors, including, among other things, the magnitude of the downgrade, the rating relative to peers, the rating assigned by the relevant agency pre-downgrade, individual client behavior and future mitigating actions we might take.

Our acceptance of brokered deposits for liquidity risk management purposes may expose the Bank to regulatory and commercial risks.

Recently, we have increased the use of brokered CDs as an additional source of liquidity. Our acceptance of brokered deposits is subject to compliance with the requirements set forth under the FDI Act and the FDIC’s regulation implemented thereunder. Section 29 of the FDI Act and the FDIC’s brokered deposits regulation restrict the ability of a bank to accept, renew or roll over brokered deposits unless the bank is “well capitalized” under the federal banking agencies’ prompt corrective action framework, or unless the bank is “adequately capitalized” and obtains a waiver from the FDIC. The FDIC and the other federal banking agencies historically have viewed brokered deposits, compared to “core deposits,” as being at a greater risk of being withdrawn and placed on deposit at another institution in order to receive a higher interest rate, or based on other factors, thereby exposing institutions that accept significant volumes of brokered deposits to greater liquidity risk and, to the extent an institution increases its rates to compete for such deposits, risk of decreased interest rate spreads and net interest income. For additional information on the regulatory requirements related to brokered deposits, please refer to the Corporation’s Annual Report on Form 10-K for the year ended December 31, 2022, “Part I—Item 1. Business—Supervision and Regulation—Brokered Deposits.” As of March 31, 2023, the Bank satisfied the capital requirements necessary to be deemed “well capitalized.” If the Bank were to fail to be categorized as “well capitalized,” we may be required to obtain a waiver from the FDIC to accept, renew or roll over any brokered deposit, or we may be prohibited from engaging in such activities altogether. Further, under such circumstances, the interest rates that we would be permitted to pay on deposits may be limited by regulation, and our deposit insurance assessment rates may be increased based upon the volume of the Bank’s brokered deposits relative to its total domestic deposits. Moreover, the terms of our agreements with third-party brokerage firms regarding the issuance and sale of brokered CDs could be adversely impacted by our failure to remain “well capitalized” or “adequately capitalized” and to comply with any regulatory requirements relating to those capital categories, and by other negative regulatory or rating agency actions. The occurrence of any of the above events may require us to seek alternative sources of funding to manage our liquidity risk from the expected withdrawals that will occur as issued CDs mature.

The occurrence of any of these events could materially and adversely affect our business, results of operations or financial condition.

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

During the first quarter of 2023, the Corporation repurchased $5 million of common stock, all of which were repurchases related to tax withholding on equity compensation with no open market purchases during the quarter. The repurchase details are presented in the table below:

Common Stock Purchases

	Total Number  of Shares Purchased(a)	Average Price Paid per Share		Total Number of Shares Purchased as Part of Publicly Announced Plans or Programs	Maximum Number of Shares that May Yet Be Purchased Under the Plans or Programs(b)
Period
January 1, 2023 - January 31, 2023	47,027	$	22.54	—	—
February 1, 2023 - February 28, 2023	152,799	23.78		—	—
March 1, 2023 - March 31, 2023	28,667	23.29		—	—
Total	228,493	$	23.47	—	4,429,695

(a) During the first quarter of 2023, all common shares repurchased were for minimum tax withholding settlements on equity compensation. These purchases do not count against the maximum value of shares remaining available for purchase under the Board of Directors' authorization.

(b) At March 31, 2023, there remained $80 million authorized to be repurchased under the Board of Directors' 2021 authorization. The maximum number of shares that may yet be purchased under this authorization is based on the closing share price on March 31, 2023.

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

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ITEM 6. Exhibits

(a)    Exhibits:

Exhibit (4), Form of Global Note dated as of February 10, 2023 representing $300,000,000 6.625% Fixed-Rate Reset Subordinated Notes Due 2033, incorporated by reference to Exhibit 4.1 of the Company's Current Report on Form 8-K dated February 6, 2023.

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

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

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

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

Exhibit (104), The cover page from the Corporation's Quarterly Report on Form 10-Q for the quarter ended March 31, 2023 has been formatted in Inline XBRL (Inline Extensible Business Reporting Language) and contained in Exhibits in 101.

75

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: April 27, 2023	/s/ Andrew J. Harmening
	Andrew J. Harmening
	President and Chief Executive Officer
Date: April 27, 2023	/s/ Derek S. Meyer
	Derek S. Meyer
	Chief Financial Officer
Date: April 27, 2023	/s/ Tammy C. Stadler
	Tammy C. Stadler
	Chief Accounting Officer

76

EX-31.1

Exhibit 31.1

CERTIFICATION UNDER SECTION 302 OF THE

SARBANES-OXLEY ACT OF 2002

CERTIFICATIONS

I, Andrew J. Harmening, certify that:

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

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

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

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

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

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

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

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

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

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

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

Date: April 27, 2023	/s/ Andrew J. Harmening
	Andrew J. Harmening
	President and Chief Executive Officer

EX-31.2

Exhibit 31.2

CERTIFICATION UNDER SECTION 302 OF THE

SARBANES-OXLEY ACT OF 2002

CERTIFICATIONS

I, Derek S. Meyer, certify that:

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

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

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

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

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

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

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

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

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

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

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

Date: April 27, 2023	/s/ Derek S. Meyer
	Derek S. Meyer
	Chief Financial Officer

EX-32

Exhibit 32

Certification by the Chief Executive Officer and Chief Financial

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

to Section 906 of the Sarbanes-Oxley Act of 2002

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

1. The accompanying Quarterly Report of the Company on Form 10-Q for the quarter ended March 31, 2023 (the “Report”), fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

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

/s/ Andrew J. Harmening

Andrew J. Harmening

Chief Executive Officer

April 27, 2023

/s/ Derek S. Meyer

Derek S. Meyer

Chief Financial Officer

April 27, 2023

XML

Document and Entity Information - shares	3 Months Ended
	Mar. 31, 2023	Apr. 24, 2023
Entity Information [Line Items]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Mar. 31, 2023
Document Transition Report	false
Entity File Number	001-31343
Entity Registrant Name	Associated Banc-Corp
Entity Incorporation, State or Country Code	WI
Entity Address, Address Line One	433 Main Street
Entity Address, City or Town	Green Bay,
Entity Address, State or Province	WI
Entity Tax Identification Number	39-1098068
Entity Address, Postal Zip Code	54301
City Area Code	920
Local Phone Number	491-7500
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Emerging Growth Company	false
Entity Small Business	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		150,890,583
Entity Central Index Key	0000007789
Amendment Flag	false
Document Fiscal Year Focus	2023
Document Fiscal Period Focus	Q1
Current Fiscal Year End Date	--12-31
The New York Stock Exchange
Entity Information [Line Items]
Title of 12(b) Security	Common stock, par value $0.01 per share
Trading Symbol	ASB
Security Exchange Name	NYSE
The New York Stock Exchange | Two Thousand Twenty Three Subordinated Notes
Entity Information [Line Items]
Title of 12(b) Security	6.625% Fixed-Rate Reset Subordinated Notes due 2033
Trading Symbol	ASBA
Security Exchange Name	NYSE
Series E Preferred Stock | The New York Stock Exchange
Entity Information [Line Items]
Title of 12(b) Security	Depositary Shrs, each representing 1/40th intrst in a shr of 5.875% Non-Cum. Perp Pref Stock, Srs E
Trading Symbol	ASB PrE
Security Exchange Name	NYSE
Series F Preferred Stock | The New York Stock Exchange
Entity Information [Line Items]
Title of 12(b) Security	Depositary Shrs, each representing 1/40th intrst in a shr of 5.625% Non-Cum. Perp Pref Stock, Srs F
Trading Symbol	ASB PrF
Security Exchange Name	NYSE

XML

Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Assets
Cash and due from banks	$ 311,269	$ 436,952
Interest-bearing deposits in other financial institutions	511,116	156,693
Federal funds sold and securities purchased under agreements to resell	455	27,810
AFS investment securities, at fair value	3,381,607	2,742,025
HTM investment securities, net, at amortized cost	3,967,058	3,960,398
Equity securities	30,514	25,216
Federal Home Loan Bank and Federal Reserve Bank stocks, at cost	331,420	295,496
Residential loans held for sale	35,742	20,383
Commercial loans held for sale	33,490	0
Loans	29,207,072	28,799,569
Allowance for loan losses	(326,432)	(312,720)
Loans, net	28,880,640	28,486,849
Tax credit and other investments	269,269	276,773
Premises and equipment, net	375,540	376,906
Bank and corporate owned life insurance	677,328	676,530
Goodwill	1,104,992	1,104,992
Other intangible assets, net	47,079	49,282
Servicing Asset at Fair Value, Amount	74,479	77,351
Interest receivable	152,404	144,449
Other assets	518,115	547,621
Total assets	40,702,519	39,405,727
Liabilities and stockholders' equity
Noninterest-bearing demand deposits	7,328,689	7,760,811
Interest-bearing deposits	23,003,134	21,875,343
Total deposits	30,331,824	29,636,154
Federal funds purchased and securities sold under agreements to repurchase	208,398	585,139
Commercial paper	18,210	20,798
FHLB advances	4,986,138	4,319,861
Other long-term funding	544,103	248,071
Allowance for unfunded commitments	39,776	38,776
Accrued expenses and other liabilities	448,407	541,438
Total liabilities	36,576,856	35,390,237
Stockholders’ equity
Preferred equity	194,112	194,112
Common stock	1,752	1,752
Surplus	1,706,206	1,712,733
Retained earnings	2,973,354	2,904,882
Accumulated other comprehensive (loss)	(233,588)	(272,799)
Treasury stock, at cost	(516,173)	(525,190)
Total common equity	3,931,551	3,821,378
Total stockholders’ equity	4,125,663	4,015,490
Total liabilities and stockholders’ equity	$ 40,702,519	$ 39,405,727
Preferred shares authorized (par value $1.00 per share)	750,000	750,000
Preferred shares issued and outstanding	200,000	200,000
Common shares authorized (par value $0.01 per share)	250,000,000	250,000,000
Common shares issued	175,216,409	175,216,409
Common shares outstanding	150,885,862	150,444,019
Preferred shares, par value	$ 1.00	$ 1.00
Common shares, par value	$ 0.01	$ 0.01

XML

Consolidated Balance Sheets (Parenthetical) - $ / shares	Mar. 31, 2023	Dec. 31, 2022
Preferred shares, par value	$ 1.00	$ 1.00
Common shares, par value	$ 0.01	$ 0.01

XML

Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Interest income
Interest and fees on loans	$ 391,320	$ 167,697
Interest and dividends on investment securities
Taxable	30,142	16,472
Tax-exempt	16,025	16,108
Other interest	5,329	1,993
Total interest income	442,817	202,270
Interest expense
Interest on deposits	109,422	3,571
Interest on federal funds purchased and securities sold under agreements to repurchase	3,143	38
Interest on other short-term funding	0	1
Interest on FHLB advances	49,960	8,182
Interest on long-term funding	6,281	2,730
Total interest expense	168,807	14,522
Net interest income	274,010	187,747
Provision for credit losses	17,971	(3,990)
Net interest income after provision for credit losses	256,039	191,737
Noninterest income
Capital markets, net	5,083	8,646
Mortgage banking, net	3,545	8,391
Bank and corporate owned life insurance	2,664	2,071
Asset gains, net	263	188
Investment securities gains (losses), net	51	21
Other	2,422	2,198
Noninterest Income, Total	62,073	74,467
Noninterest expense
Personnel	116,420	104,811
Technology	23,598	21,485
Occupancy	15,063	16,080
Business development and advertising	5,849	4,954
Equipment	4,930	4,960
Legal and professional	3,857	5,087
Loan and foreclosure costs	1,138	2,014
FDIC assessment	6,875	5,100
Other intangible amortization	2,203	2,203
Other	7,479	6,597
Total noninterest expense	187,412	173,292
Income before income taxes	130,700	92,912
Income tax expense	27,340	18,650
Net income	103,360	74,262
Preferred stock dividends	2,875	2,875
Net income available to common equity	$ 100,485	$ 71,387
Earnings per common share
Basic	$ 0.67	$ 0.48
Diluted	$ 0.66	$ 0.47
Average common shares outstanding
Basic	149,763	148,781
Diluted	151,128	150,492
Wealth management fees
Noninterest income
Noninterest Income In Scope of Topic 606	$ 20,189	$ 22,404
Service charges and deposit account fees
Noninterest income
Noninterest Income In Scope of Topic 606	12,994	16,856
Card-based fees
Noninterest income
Card-based fees	10,586	9,926
Other fee-based revenue
Noninterest income
Card-based fees	$ 4,276	$ 3,766

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Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Statement of Comprehensive Income [Abstract]
Net income	$ 103,360	$ 74,262
AFS investment securities
Net unrealized gains (losses)	36,478	(103,284)
Unrealized (losses) on AFS securities transferred to HTM securities	0	(67,604)
Amortization of net unrealized losses on AFS securities transferred to HTM securities	2,267	1,108
Reclassification adjustment for net (gains) realized in net income	0	(21)
Income tax benefit (expense)	(9,892)	43,098
Other comprehensive income (loss) on AFS securities	28,853	(126,702)
Unrealized Gain (Loss) on Cash Flow Hedging Instruments	13,763	0
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, before Tax	1,262	0
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax	(4,694)	0
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax	10,331	0
Defined benefit pension and postretirement obligations
Amortization of prior service cost	(81)	(81)
Amortization of actuarial loss	30	74
Income tax benefit	79	2
Other comprehensive income (loss) on pension and postretirement obligations	27	(6)
Total other comprehensive income (loss)	39,211	(126,708)
Comprehensive income (loss)	$ 142,571	$ (52,445)

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Consolidated Statements of Changes in Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	Total	Series E Preferred Stock	Series F Preferred Stock	Cumulative Effect, Period Of Adoption, Adjustment	Preferred Equity	Preferred Equity Cumulative Effect, Period Of Adoption, Adjustment	Common Stock	Common Stock Cumulative Effect, Period Of Adoption, Adjustment	Surplus	Surplus Cumulative Effect, Period Of Adoption, Adjustment	Retained Earnings [Member]	Retained Earnings [Member] Cumulative Effect, Period Of Adoption, Adjustment	Accumulated Other Comprehensive (Loss)	Accumulated Other Comprehensive (Loss) Cumulative Effect, Period Of Adoption, Adjustment	Treasury Stock, Common	Treasury Stock, Common Performance/Service Based RSAs, RSA,	Treasury Stock, Common Cumulative Effect, Period Of Adoption, Adjustment
Beginning balance at Dec. 31, 2021	$ 4,024,853			$ 4,026,566	$ 193,195	$ 193,195	$ 1,752	$ 1,752	$ 1,713,851	$ 1,713,851	$ 2,672,601	$ 2,674,314	$ (10,317)	$ (10,317)	$ (546,229)		$ (546,229)
Beginning balance (Accounting Standards Update 2016-13) at Dec. 31, 2021				$ 1,713								$ 1,713
Comprehensive income:
Net income	74,262										74,262
Net other comprehensive income during period	(126,708)												(126,708)
Comprehensive income (loss)	(52,445)
Common stock issued:
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture	6,654								(11,911)		0				18,565
Purchase of treasury stock,	(5,193)															$ (5,193)
Cash dividends:
Common stock	(30,583)										(30,583)
Preferred stock(a)	(2,875)										(2,875)
Stock-based compensation expense, net	6,164								6,164
Ending balance at Mar. 31, 2022	3,948,287				193,195		1,752		1,708,104		2,715,118		(137,024)		(532,858)
Cash dividends:
Preferred Stock, Dividends, Per Share, Cash Paid		$ 0.3671875	$ 0.3515625
Beginning balance at Dec. 31, 2022	4,015,490				194,112		1,752		1,712,733		2,904,882		(272,799)		(525,190)
Comprehensive income:
Net income	103,360										103,360
Net other comprehensive income during period	39,211												39,211
Comprehensive income (loss)	142,571
Common stock issued:
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture	1,766								(12,612)						14,379
Purchase of treasury stock,	(5,362)															$ (5,362)
Cash dividends:
Common stock	(32,013)										(32,013)
Preferred stock(a)	(2,875)										(2,875)
Stock-based compensation expense, net	6,086								6,086
Ending balance at Mar. 31, 2023	$ 4,125,663				$ 194,112		$ 1,752		$ 1,706,206		$ 2,973,354		$ (233,588)		$ (516,173)
Cash dividends:
Preferred Stock, Dividends, Per Share, Cash Paid		$ 0.3671875	$ 0.3515625

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Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Cash flows from operating activities
Net income	$ 103,360	$ 74,262
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for credit losses	17,971	(3,990)
Depreciation and amortization	11,425	11,680
Change in MSRs valuation	1,857	(9,451)
Amortization of other intangible assets	2,203	2,203
Amortization and accretion on earning assets, funding, and other, net	338	5,338
Net amortization of tax credit investments	8,574	8,535
(Gains) on sales of investment securities, net	0	(21)
Asset (gains), net	(263)	(188)
Loss on mortgage banking activities, net	251	4,183
Mortgage loans originated and acquired for sale	(69,254)	(252,113)
Proceeds from sales of mortgage loans held for sale	54,652	296,089
Changes in certain assets and liabilities:
(Increase) in interest receivable	(7,955)	(2,592)
(Decrease) increase in interest payable	14,775	(1,917)
(Decrease) in expense payable	(52,396)	(46,737)
(Decrease) increase in net derivative position	(42,403)	152,545
Net change in other assets and other liabilities	4,336	8,292
Net cash provided by operating activities	47,470	246,119
Cash flows from investing activities
Net (increase) in loans	(414,268)	(305,878)
Purchases of:
AFS securities	(681,386)	(409,076)
HTM securities	(41,524)	(135,301)
Federal Home Loan Bank and Federal Reserve Bank stocks and equity securities	(56,892)	(301)
Proceeds from:
Sales of AFS securities	0	734
Sale of Federal Home Loan Bank and Federal Reserve Bank stocks and equity securities	15,765	8
Prepayments, calls, and maturities of AFS securities	79,746	167,986
Prepayments, calls, and maturities of HTM securities	33,053	51,206
Sales, prepayments, calls, and maturities of other assets	10,115	18,012
Net change in tax credit and alternative investments	(7,033)	(10,293)
Premises, equipment, and software, net of disposals	(13,898)	(17,141)
Net cash (used in) investing activities	(1,076,322)	(640,045)
Cash flows from financing activities
Net increase (decrease) in deposits	695,723	(60,949)
Net increase (decrease) in short-term funding	(379,329)	45,098
Net increase in short-term FHLB advances	660,000	320,000
Repayment of long-term FHLB advances	(507)	(414,578)
Proceeds from long-term FHLB advances	115	11,506
Proceeds from issuance of long-term funding	292,740	0
(Repayment) proceeds of finance lease principal	(21)	399
Proceeds from issuance of common stock for stock-based compensation plans	1,766	6,654
Cash dividends on common stock	(32,013)	(30,583)
Cash dividends on preferred stock	(2,875)	(2,875)
Net cash provided by (used in) financing activities	1,230,238	(130,521)
Net increase (decrease) in cash and cash equivalents	201,385	(524,447)
Cash and cash equivalents at beginning of period	621,455	1,025,515	$ 1,025,515
Cash and cash equivalents at end of period(a)	822,840	501,068	621,455
Supplemental disclosures of cash flow information
Cash paid for interest	153,760	16,267
Cash paid for (received from) income and franchise taxes	1,086	(1,471)
Loans and bank premises transferred to OREO	3,599	426
Capitalized mortgage servicing rights	474	3,042	$ 7,279
Loans transferred into held for sale from portfolio, net	94	2,644
Transfer of AFS securities to HTM securities	0	1,621,990
Unsettled trades to purchase securities	0	4,246
Change in Unrealized Gain (Loss) on Hedged Item in Fair Value Hedge	(10,724)	0
Unrealized Gain (Loss) on Cash Flow Hedging Instruments	13,763	0
Fair Value, Measurements, Recurring
Supplemental disclosures of cash flow information
Unrealized Gain (Loss) on Cash Flow Hedging Instruments	10,331	0
Performance/Service Based RSAs, RSA,
Cash flows from financing activities
Purchase of treasury stock, open market purchases	(5,362)	(5,193)
Retained Earnings [Member]
Cash flows from operating activities
Net income	$ 103,360	$ 74,262

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Basis of Presentation

3 Months Ended

Mar. 31, 2023

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. Management has evaluated subsequent events for potential recognition or disclosure.

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

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Summary of Significant Accounting Policies

3 Months Ended

Mar. 31, 2023

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 2022 Annual Report on Form 10-K.

New Accounting Pronouncements Adopted

Standard	Description	Date of adoption	Effect on financial statements
ASU 2022-02 Financial Instruments-Credit Losses (Topic 326): Troubled Debt Restructurings and Vintage Disclosures	The FASB issued these amendments to eliminate accounting guidance for TDRs by creditors in Subtopic 310-40, Receivables-Troubled Debt Restructurings by Creditors, while enhancing disclosure requirements for certain loan refinancings and restructurings by creditors when a borrower is experiencing financial difficulty, and to require that an entity disclose current-period gross writeoffs by year of origination for financing receivables and net investments in leases within the scope of Subtopic 326-20, Financial Instruments-Credit Losses-Measured at Amortized Cost. The amendments in this Update are effective for fiscal years beginning after December 15, 2022, including interim periods within those fiscal years, and should be applied prospectively, except as provided in the next sentence. For the transition method related to the recognition and measurement of TDRs, an entity has the option to apply a modified retrospective transition method, resulting in a cumulative-effect adjustment to retained earnings in the period of adoption. Early adoption is permitted if an entity has adopted the amendments in Update 2016-03, including adoption in an interim period.	1st Quarter 2023	Adoption of this amendment did not have a material impact on the Corporation's results of operation, financial position or liquidity, but resulted in additional disclosure requirements related to gross charge offs by vintage year and the removal of TDR disclosures, replaced by additional disclosures on the types of modifications of loans to borrowers experiencing financial difficulties. The Corporation has adopted this update prospectively.

Future Accounting Pronouncements

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

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

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Earnings Per Common Share

3 Months Ended

Mar. 31, 2023

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 Mar 31,
($ in thousands, except per share data)	2023		2022
Net income	$	103,360	$	74,262
Preferred stock dividends	(2,875)		(2,875)
Net income available to common equity	$	100,485	$	71,387
Common shareholder dividends	(31,808)		(30,372)
Unvested share-based payment awards	(205)		(211)
Undistributed earnings	$	68,472	$	40,804
Undistributed earnings allocated to common shareholders	$	68,086	$	40,548
Undistributed earnings allocated to unvested share-based payment awards	386		256
Undistributed earnings	$	68,472	$	40,804
Basic
Distributed earnings to common shareholders	$	31,808	$	30,372
Undistributed earnings allocated to common shareholders	68,086		40,548
Total common shareholders earnings, basic	$	99,894	$	70,920
Diluted
Distributed earnings to common shareholders	$	31,808	$	30,372
Undistributed earnings allocated to common shareholders	68,086		40,548
Total common shareholders earnings, diluted	$	99,894	$	70,920
Weighted average common shares outstanding	149,763		148,781
Effect of dilutive common stock awards	1,365		1,711
Diluted weighted average common shares outstanding	151,128		150,492
Basic earnings per common share	$	0.67	$	0.48
Diluted earnings per common share	$	0.66	$	0.47

Approximately 2 million anti-dilutive common stock options were excluded from the earnings per common share calculation for both the three months ended March 31, 2023 and 2022

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Stock-Based Compensation

3 Months Ended

Mar. 31, 2023

Retirement Benefits [Abstract]

Stock-Based Compensation

Stock-Based Compensation

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

A summary of the Corporation’s stock option activity for the three months ended March 31, 2023 is presented below:

Stock Options	Shares(a)	Weighted Average Exercise Price		Weighted Average Remaining Contractual Term	Aggregate Intrinsic Value(a)
Outstanding at December 31, 2022	3,994	$	21.06	5.11 years	$	10,525
Exercised	34	17.07
Forfeited or expired	—	—
Outstanding at March 31, 2023	3,960	$	21.10	4.87 years	$	1,039
Options Exercisable at March 31, 2023	3,746	$	21.27	4.75 years	$	887

(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 three months ended March 31, 2023, the intrinsic value of stock options exercised was approximately $219,000, compared to $3 million for the three months ended March 31, 2022. For the three months ended March 31, 2023, the total fair value of stock options vested was approximately $955,000 compared to $2 million for the three months ended March 31, 2022.

The Corporation recognized compensation expense for the vesting of stock options of approximately $108,000 for the three months ended March 31, 2023, compared to $241,000 for the three months ended March 31, 2022. At March 31, 2023, the Corporation had approximately $270,000 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 determined by the Compensation and Benefits Committee of the Corporation's Board of Directors, with vesting ranging from a minimum of 0% to a maximum of 150% of the target award. Performance awards are valued utilizing a Monte Carlo simulation model to estimate fair value of the awards at the grant date.

The following table summarizes information about the Corporation’s restricted stock awards activity for the three months ended March 31, 2023:

Restricted Stock	Shares(a)	Weighted Average Grant Date Fair Value
Outstanding at December 31, 2022	2,303	$	20.81
Granted	813	22.67
Vested	630	20.99
Forfeited	2	21.92
Outstanding at March 31, 2023	2,484	$	21.38

(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 2022 and 2023 will cliff-vest after the three year performance period has ended. Service-based restricted stock awards granted during 2022 and 2023 will vest ratably over a period of four years. Expense for restricted stock awards of $6 million was recorded for both the three months ended March 31, 2023 and the three months ended March 31, 2022. Included in compensation expense for the first three months of 2023 was $3 million of expense for the accelerated vesting of restricted stock awards granted to retirement eligible colleagues. The Corporation had $31 million of unrecognized compensation costs related to restricted stock awards at March 31, 2023 that are expected to be recognized over the remaining requisite service periods that extend predominately through the first quarter of 2027.

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, if any, will be based on market and investment opportunities, capital levels,

growth prospects, and regulatory constraints. Such repurchases may occur from time to time in open market purchases, block transactions, private transactions, accelerated share repurchase programs, or similar facilities.

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Investment Securities

3 Months Ended

Mar. 31, 2023

Investments, Debt and Equity Securities [Abstract]

Investment Securities

Investment Securities Investment securities are designated as AFS, HTM, or equity on the consolidated balance sheets at the time of purchase. The amortized cost and fair values of AFS and HTM securities at March 31, 2023 were as follows:

($ in thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized (Losses)		Fair Value
AFS investment securities
U. S. Treasury securities	$	124,478	$	—	$	(12,735)	$	111,743
Agency securities	15,000		—		(1,271)		13,730
Obligations of state and political subdivisions (municipal securities)	230,673		291		(2,063)		228,902
Residential mortgage-related securities:
FNMA/FHLMC	1,768,846		260		(194,529)		1,574,578
GNMA	1,092,742		7,273		(4,427)		1,095,588
Commercial mortgage-related securities:
FNMA/FHLMC	18,952		—		(1,335)		17,618
GNMA	194,550		17		(5,101)		189,466
Asset backed securities:
FFELP	147,876		—		(4,791)		143,084
SBA	4,020		13		(50)		3,983
Other debt securities	3,000		—		(82)		2,918
Total AFS investment securities	$	3,600,137	$	7,854	$	(226,383)	$	3,381,607
HTM investment securities
U. S. Treasury securities	$	999	$	—	$	(51)	$	947
Obligations of state and political subdivisions (municipal securities)	1,720,177		4,888		(146,544)		1,578,521
Residential mortgage-related securities:
FNMA/FHLMC	981,065		30,284		(163,514)		847,835
GNMA	53,298		195		(2,897)		50,596
Private-label	361,170		11,242		(71,147)		301,265
Commercial mortgage-related securities:
FNMA/FHLMC	785,516		14,657		(156,369)		643,803
GNMA	64,859		502		(6,826)		58,536
Total HTM investment securities	$	3,967,083	$	61,768	$	(547,349)	$	3,481,502

The amortized cost and fair values of AFS and HTM securities at December 31, 2022 were as follows:

($ in thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized (Losses)		Fair Value
AFS investment securities
U. S. Treasury securities	$	124,441	$	—	$	(15,063)	$	109,378
Agency securities	15,000		—		(1,468)		13,532
Obligations of state and political subdivisions (municipal securities)	235,693		96		(5,074)		230,714
Residential mortgage-related securities:
FNMA/FHLMC	1,820,642		404		(216,436)		1,604,610
GNMA	502,537		314		(5,255)		497,596
Commercial mortgage-related securities:
FNMA/FHLMC	19,038		—		(1,896)		17,142
GNMA	115,031		—		(4,569)		110,462
Asset backed securities:
FFELP	157,138		—		(5,947)		151,191
SBA	4,512		15		(51)		4,477
Other debt securities	3,000		—		(78)		2,922
Total AFS investment securities	$	2,997,032	$	830	$	(255,837)	$	2,742,025
HTM investment securities
U. S. Treasury securities	$	999	$	—	$	(62)	$	936
Obligations of state and political subdivisions (municipal securities)	1,732,351		1,994		(182,697)		1,551,647
Residential mortgage-related securities:
FNMA/FHLMC	961,231		31,301		(175,760)		816,771
GNMA	52,979		85		(3,436)		49,628
Private-label	364,728		11,697		(72,920)		303,505
Commercial mortgage-related securities:
FNMA/FHLMC	778,796		15,324		(178,281)		615,839
GNMA	69,369		577		(7,254)		62,691
Total HTM investment securities	$	3,960,451	$	60,978	$	(620,411)	$	3,401,018

Expected maturities may differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties. The expected maturities of AFS and HTM securities at March 31, 2023, are shown below:

	AFS					HTM
($ in thousands)	Amortized Cost		Fair Value			Amortized Cost		Fair Value
Due in one year or less	$	6,773	$	6,768		$	14,358	$	14,350
Due after one year through five years	179,763		165,292			36,046		35,926
Due after five years through ten years	150,181		149,003			161,217		159,591
Due after ten years	36,434		36,229			1,509,554		1,369,602
Total debt securities	373,151		357,292			1,721,175		1,579,468
Residential mortgage-related securities:
FNMA/FHLMC	1,768,846		1,574,578			981,065		847,835
GNMA	1,092,742		1,095,588			53,298		50,596
Private-label	—		—			361,170		301,265
Commercial mortgage-related securities:
FNMA/FHLMC	18,952		17,618			785,516		643,803
GNMA	194,550		189,466			64,859		58,536
Asset backed securities:
FFELP	147,876		143,084			—		—
SBA	4,020		3,983			—		—
Total investment securities	$	3,600,137	$	3,381,607		$	3,967,083	$	3,481,502
Ratio of fair value to amortized cost			93.9		%			87.8		%

On a quarterly basis, the Corporation refreshes the credit quality of each HTM security. The following table summarizes the credit quality indicators of HTM securities at amortized cost at March 31, 2023:

($ in thousands)	AAA		AA		A		Not Rated		Total
U. S. Treasury securities	$	999	$	—	$	—	$	—	$	999
Obligations of state and political subdivisions (municipal securities)	807,729		903,689		7,602		1,157		1,720,177
Residential mortgage-related securities:
FNMA/FHLMC	981,065		—		—		—		981,065
GNMA	53,298		—		—		—		53,298
Private-label	361,170		—		—		—		361,170
Commercial mortgage-related securities:
FNMA/FHLMC	785,516		—		—		—		785,516
GNMA	64,859		—		—		—		64,859
Total HTM securities	$	3,054,635	$	903,689	$	7,602	$	1,157	$	3,967,083

The following table summarizes the credit quality indicators of HTM securities at amortized cost at December 31, 2022:

($ in thousands)	AAA		AA		A		Not Rated		Total
U. S. Treasury securities	$	999	$	—	$	—	$	—	$	999
Obligations of state and political subdivisions (municipal securities)	806,529		917,059		7,604		1,158		1,732,351
Residential mortgage-related securities:
FNMA/FHLMC	961,231		—		—		—		961,231
GNMA	52,979		—		—		—		52,979
Private-label	364,728		—		—		—		364,728
Commercial mortgage-related securities:
FNMA/FHLMC	778,796		—		—		—		778,796
GNMA	69,369		—		—		—		69,369
Total HTM securities	$	3,034,630	$	917,059	$	7,604	$	1,158	$	3,960,451

The following table summarizes gross realized gains and losses on AFS securities, net write-up of equity securities, and proceeds from the sale of investment securities for the three months ended March 31, 2023 and 2022:

	Three Months Ended Mar 31,
($ in thousands)	2023		2022
Gross gains on AFS securities	$	—	$	21
Net write-up of equity securities	51		—
Investment securities gains (losses), net	$	51	$	21
Proceeds from sales of AFS investment securities	$	—	$	734

Investment securities with a carrying value of $2.2 billion and $2.3 billion at March 31, 2023 and December 31, 2022, respectively, were pledged as required to secure certain deposits or for other purposes.

Accrued interest receivable on HTM securities totaled $16 million and $19 million at March 31, 2023 and December 31, 2022, respectively. Accrued interest receivable on AFS securities totaled $12 million and $9 million at March 31, 2023 and December 31, 2022, respectively. Accrued interest receivable on both HTM and AFS securities is included in interest receivable on the consolidated balance sheets. There was no interest income reversed for investments going into nonaccrual at both March 31, 2023 and December 31, 2022.

A security is considered past due once it is 30 days past due under the terms of the agreement. At both March 31, 2023 and December 31, 2022, the Corporation had no past due HTM securities.

The allowance for credit losses on HTM securities was approximately $25,000 at March 31, 2023 and approximately $54,000 at December 31, 2022, attributable entirely to the Corporation's municipal securities, included in HTM investment securities, net, at amortized cost on the consolidated balance sheets. The Corporation also holds U.S. Treasury, municipal, and mortgage-related securities issued by the U.S. government or a GSE which are backed by the full faith and credit of the U.S. government and private-label residential mortgage-related securities that have credit enhancement which covers the first 15% of losses and, as a result, no allowance for credit losses has been recorded related to these securities.

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

	Less than 12 months					12 months or more					Total
($ in thousands)	Number of Securities	Unrealized (Losses)		Fair Value		Number of Securities	Unrealized (Losses)		Fair Value		Unrealized (Losses)		Fair Value
AFS investment securities
U.S. Treasury securities	—	$	—	$	—	7	$	(12,735)	$	111,743	$	(12,735)	$	111,743
Agency securities	—	—		—		1	(1,271)		13,730		(1,271)		13,730
Obligations of state and political subdivisions (municipal securities)	189	(1,025)		111,529		72	(1,037)		40,199		(2,063)		151,727
Residential mortgage-related securities:
FNMA/FHLMC	12	(3,619)		51,021		96	(190,909)		1,504,384		(194,529)		1,555,405
GNMA	23	(2,583)		294,212		9	(1,844)		33,128		(4,427)		327,340
Commercial mortgage-related securities:
FNMA/FHLMC	—	—		—		1	(1,335)		17,618		(1,335)		17,618
GNMA	13	(1,039)		100,585		29	(4,062)		74,665		(5,101)		175,250
Asset backed securities:
FFELP	—	—		—		15	(4,791)		143,084		(4,791)		143,084
SBA	2	(1)		331		6	(49)		1,755		(50)		2,087
Other debt securities	1	(31)		969		2	(51)		1,949		(82)		2,918
Total	240	$	(8,299)	$	558,647	238	$	(218,084)	$	1,942,255	$	(226,383)	$	2,500,901
HTM investment securities
U.S. Treasury securities	—	$	—	$	—	1	$	(51)	$	947	$	(51)	$	947
Obligations of state and political subdivisions (municipal securities)	311	(7,598)		454,461		400	(138,946)		614,842		(146,544)		1,069,304
Residential mortgage-related securities:
FNMA/FHLMC	63	(2,881)		75,386		50	(160,633)		762,280		(163,514)		837,666
GNMA	16	(168)		6,511		63	(2,729)		32,771		(2,897)		39,282
Private-label	—	—		—		18	(71,147)		301,265		(71,147)		301,265
Commercial mortgage-related securities:
FNMA/FHLMC	4	(473)		29,658		41	(155,897)		614,153		(156,369)		643,811
GNMA	—	—		—		14	(6,826)		58,536		(6,826)		58,536
Total	394	$	(11,120)	$	566,017	587	$	(536,229)	$	2,384,794	$	(547,349)	$	2,950,811

For comparative purposes, the following represents gross unrealized losses and the related fair value of AFS and HTM securities, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position, at December 31, 2022:

	Less than 12 months					12 months or more					Total
($ in thousands)	Number of Securities	Unrealized (Losses)		Fair Value		Number of Securities	Unrealized (Losses)		Fair Value		Unrealized (Losses)		Fair Value
AFS investment securities
U.S. Treasury securities	—	$	—	$	—	7	$	(15,063)	$	109,378	$	(15,063)	$	109,378
Agency securities	—	—		—		1	(1,468)		13,532		(1,468)		13,532
Obligations of state and political subdivisions (municipal securities)	358	(5,066)		201,260		4	(8)		1,916		(5,074)		203,176
Residential mortgage-related securities:
FNMA/FHLMC	24	(31,266)		260,986		84	(185,170)		1,321,420		(216,436)		1,582,406
GNMA	23	(4,415)		220,276		2	(840)		11,096		(5,255)		231,372
Commercial mortgage-related securities:
FNMA/FHLMC	1	(1,896)		17,142		—	—		—		(1,896)		17,142
GNMA	33	(3,920)		101,036		4	(649)		9,426		(4,569)		110,462
Asset backed securities:
FFELP	3	(1,668)		44,304		12	(4,278)		106,887		(5,947)		151,191
SBA	2	(1)		417		6	(50)		2,057		(51)		2,474
Other debt securities	2	(30)		1,970		1	(49)		951		(78)		2,922
Total	446	$	(48,263)	$	847,391	121	$	(207,575)	$	1,576,665	$	(255,837)	$	2,424,055
HTM investment securities
U.S. Treasury securities	1	$	(62)	$	936	—	$	—	$	—	$	(62)	$	936
Obligations of state and political subdivisions (municipal securities)	771	(96,282)		1,079,216		156	(86,415)		231,022		(182,697)		1,310,238
Residential mortgage-related securities:
FNMA/FHLMC	79	(18,925)		143,201		22	(156,836)		671,570		(175,760)		814,770
GNMA	81	(3,436)		44,476		—	—		—		(3,436)		44,476
Private-label	3	(9,509)		58,733		15	(63,411)		244,772		(72,920)		303,505
Commercial mortgage-related securities:
FNMA/FHLMC	4	(3,814)		20,338		39	(174,467)		576,911		(178,281)		597,249
GNMA	8	(2,528)		34,612		6	(4,726)		28,080		(7,254)		62,691
Total	947	$	(134,556)	$	1,381,511	238	$	(485,855)	$	1,752,354	$	(620,411)	$	3,133,865

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

Based on the Corporation’s evaluation, management does not believe any unrealized losses at March 31, 2023 represent credit deterioration as these unrealized losses are primarily attributable to changes in interest rates and the current market conditions. The Corporation does not intend to sell, nor does it believe that it will be required to sell, the securities in an unrealized loss position before recovery of their amortized cost basis.

FHLB and Federal Reserve Bank stocks: The Corporation is required to maintain Federal Reserve Bank stock and FHLB stock as a member bank of both the Federal Reserve System and the FHLB, and in amounts as required by these institutions. These equity securities are “restricted” in that they can only be sold back to the respective institutions or another member institution at par. Therefore, they are less liquid than other marketable equity securities and their fair value is equal to amortized cost. The Corporation had FHLB stock of $245 million and $209 million at March 31, 2023 and December 31, 2022, respectively. The Corporation had Federal Reserve Bank stock of $87 million at both March 31, 2023 and December 31, 2022. Accrued interest receivable on FHLB stock totaled $4 million and $3 million at March 31, 2023 and December 31, 2022, respectively. There was approximately $776,000 of accrued interest receivable on Federal Reserve Bank Stock at March 31, 2023, and none at December 31, 2022. 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 and other mutual funds. At both March 31, 2023 and December 31, 2022, the Corporation had equity securities with readily determinable fair values of $6 million.

Equity securities without readily determinable fair values: The Corporation's portfolio of equity securities without readily determinable fair values, which primarily consists of Visa Class B restricted shares and an investment in a private SBA loan fund, was carried at $24 million and $19 million at March 31, 2023 and December 31, 2022, respectively

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Loans

3 Months Ended

Mar. 31, 2023

Receivables [Abstract]

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

Loans

The period end loan composition was as follows:

($ in thousands)	Mar 31, 2023		Dec 31, 2022
Asset-based lending & equipment finance	$	522,834	$	458,887
Commercial and industrial	9,346,947		9,300,567
Commercial real estate — owner occupied	1,050,236		991,722
Commercial and business lending	10,920,017		10,751,176
Commercial real estate — investor	5,094,249		5,080,344
Real estate construction	2,147,070		2,155,222
Commercial real estate lending	7,241,318		7,235,565
Total commercial	18,161,335		17,986,742
Residential mortgage	8,605,164		8,511,550
Auto finance	1,551,538		1,382,073
Home equity	609,787		624,353
Other consumer	279,248		294,851
Total consumer	11,045,737		10,812,828
Total loans	$	29,207,072	$	28,799,569

Accrued interest receivable on loans totaled $119 million at March 31, 2023, and $113 million at December 31, 2022, 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 was immaterial at both the three months ended March 31, 2023 and 2022.

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

					Term Loans Amortized Cost Basis by Origination Year(a)
($ in thousands)	Rev Loans Converted to Term(a)		Rev Loans Amortized Cost Basis		YTD 2023		2022		2021		2020		2019		Prior		Total
Asset-based lending & equipment finance:
Risk rating:
Pass	$	—	$	60,256	$	55,535	$	262,074	$	125,609	$	1,420	$	543	$	—	$	505,437
Potential Problem	—		—		—		1,396		—		16,000		—		—		17,396
Asset-based lending & equipment finance	$	—	$	60,256	$	55,535	$	263,471	$	125,609	$	17,420	$	543	$	—	$	522,834
Commercial and industrial:
Risk rating:
Pass	$	71	$	2,003,455	$	332,572	$	2,872,816	$	2,101,488	$	467,455	$	558,852	$	685,216	$	9,021,853
Special Mention	—		86,593		—		30,540		31,161		2,913		—		33,501		184,709
Potential Problem	128		39,951		6,145		34,388		27,494		4,675		132		4,865		117,650
Nonaccrual	9,500		—		—		4,707		9,500		8,528		—		—		22,735
Commercial and industrial	$	9,698	$	2,130,000	$	338,716	$	2,942,451	$	2,169,643	$	483,571	$	558,983	$	723,583	$	9,346,947
Commercial real estate - owner occupied:
Risk rating:
Pass	$	—	$	22,344	$	87,095	$	205,922	$	234,300	$	150,009	$	152,649	$	151,106	$	1,003,424
Special Mention	—		—		—		—		—		3,483		9,500		274		13,257
Potential Problem	—		—		2,812		877		11,651		4,064		518		12,156		32,077
Nonaccrual	8		—		8		1,470		—		—		—		—		1,478
Commercial real estate - owner occupied	$	8	$	22,344	$	89,914	$	208,269	$	245,950	$	157,555	$	162,667	$	163,536	$	1,050,236
Commercial and business lending:
Risk rating:
Pass	$	71	$	2,086,055	$	475,201	$	3,340,812	$	2,461,397	$	618,883	$	712,044	$	836,323	$	10,530,715
Special Mention	—		86,593		—		30,540		31,161		6,396		9,500		33,775		197,965
Potential Problem	128		39,951		8,956		36,661		39,145		24,739		649		17,021		167,124
Nonaccrual	9,508		—		8		6,177		9,500		8,528		—		—		24,213
Commercial and business lending	$	9,707	$	2,212,600	$	484,166	$	3,414,190	$	2,541,203	$	658,546	$	722,194	$	887,119	$	10,920,017
Commercial real estate - investor:
Risk rating:
Pass	$	—	$	118,873	$	324,298	$	1,506,258	$	1,375,935	$	612,765	$	489,024	$	411,246	$	4,838,398
Special Mention	—		—		18,454		92,149		22,247		8,225		—		—		141,075
Potential Problem	—		—		24,803		22,047		22,209		—		1,019		19,575		89,653
Nonaccrual	—		—		—		—		24,855		—		—		267		25,122
Commercial real estate - investor	$	—	$	118,873	$	367,555	$	1,620,454	$	1,445,246	$	620,991	$	490,042	$	431,088	$	5,094,249
Real estate construction:
Risk rating:
Pass	$	—	$	29,616	$	34,604	$	1,025,918	$	812,505	$	197,722	$	7,510	$	11,059	$	2,118,934
Special Mention	—		—		—		—		—		12,308		15,651		—		27,958
Nonaccrual	—		—		—		—		—		—		—		178		178
Real estate construction	$	—	$	29,616	$	34,604	$	1,025,918	$	812,505	$	210,030	$	23,160	$	11,237	$	2,147,070
Commercial real estate lending:
Risk rating:
Pass	$	—	$	148,489	$	358,901	$	2,532,176	$	2,188,440	$	810,487	$	496,533	$	422,305	$	6,957,332
Special Mention	—		—		18,454		92,149		22,247		20,533		15,651		—		169,033
Potential Problem	—		—		24,803		22,047		22,209		—		1,019		19,575		89,653
Nonaccrual	—		—		—		—		24,855		—		—		445		25,300
Commercial real estate lending	$	—	$	148,489	$	402,159	$	2,646,372	$	2,257,752	$	831,020	$	513,203	$	442,325	$	7,241,318
Total commercial:
Risk rating:
Pass	$	71	$	2,234,544	$	834,103	$	5,872,988	$	4,649,837	$	1,429,370	$	1,208,578	$	1,258,628	$	17,488,047
Special Mention	—		86,593		18,454		122,689		53,408		26,929		25,151		33,775		366,999
Potential Problem	128		39,951		33,760		58,708		61,354		24,739		1,668		36,596		256,776
Nonaccrual	9,508		—		8		6,177		34,355		8,528		—		445		49,513
Total commercial	$	9,707	$	2,361,089	$	886,324	$	6,060,562	$	4,798,955	$	1,489,566	$	1,235,396	$	1,329,444	$	18,161,335

					Term Loans Amortized Cost Basis by Origination Year(a)
($ in thousands)	Rev Loans Converted to Term(a)		Rev Loans Amortized Cost Basis		YTD 2023		2022		2021		2020		2019		Prior		Total
Residential mortgage:
Risk rating:
Pass	$	—	$	—	$	85,201	$	1,490,848	$	2,221,515	$	1,687,853	$	798,205	$	2,261,293	$	8,544,915
Special Mention	—		—		91		—		—		95		—		105		291
Potential Problem	—		—		45		216		548		—		551		323		1,684
Nonaccrual	—		—		279		7,384		4,101		8,394		4,356		33,760		58,274
Residential mortgage	$	—	$	—	$	85,616	$	1,498,448	$	2,226,164	$	1,696,342	$	803,113	$	2,295,481	$	8,605,164
Auto finance:
Risk rating:
Pass	$	—	$	—	$	239,138	$	1,208,658	$	98,290	$	299	$	1,020	$	388	$	1,547,793
Special Mention	—		—		—		1,168		141		—		—		—		1,310
Nonaccrual	—		—		—		1,952		474		—		9		—		2,436
Auto finance	$	—	$	—	$	239,138	$	1,211,778	$	98,906	$	299	$	1,029	$	388	$	1,551,538
Home equity:
Risk rating:
Pass	$	2,173	$	495,755	$	230	$	31,083	$	6,835	$	2,243	$	5,732	$	59,670	$	601,549
Special Mention	18		124		—		—		—		—		29		594		747
Potential Problem	14		—		14		196		—		—		34		—		244
Nonaccrual	388		20		—		303		106		131		252		6,434		7,246
Home equity	$	2,592	$	495,900	$	244	$	31,583	$	6,941	$	2,374	$	6,047	$	66,698	$	609,787
Other consumer:
Risk rating:
Pass	$	90	$	190,219	$	1,860	$	5,279	$	4,017	$	1,922	$	849	$	74,324	$	278,471
Special Mention	1		617		—		13		11		3		10		23		676
Nonaccrual	—		44		—		—		7		6		6		36		100
Other consumer	$	91	$	190,881	$	1,860	$	5,292	$	4,035	$	1,930	$	866	$	74,384	$	279,248
Total consumer:
Risk rating:
Pass	$	2,263	$	685,974	$	326,429	$	2,735,869	$	2,330,657	$	1,692,318	$	805,806	$	2,395,676	$	10,972,729
Special Mention	19		742		91		1,181		152		98		39		722		3,024
Potential Problem	14		—		59		413		548		—		585		323		1,928
Nonaccrual	388		65		279		9,639		4,688		8,530		4,624		40,231		68,056
Total consumer	$	2,683	$	686,781	$	326,858	$	2,747,101	$	2,336,046	$	1,700,946	$	811,054	$	2,436,951	$	11,045,737
Total loans:
Risk rating:
Pass	$	2,334	$	2,920,518	$	1,160,532	$	8,608,857	$	6,980,494	$	3,121,688	$	2,014,384	$	3,654,303	$	28,460,776
Special Mention	19		87,335		18,545		123,869		53,560		27,027		25,189		34,497		370,023
Potential Problem	141		39,951		33,818		59,120		61,903		24,739		2,253		36,919		258,704
Nonaccrual	9,896		65		287		15,816		39,044		17,058		4,624		40,675		117,569
Total loans	$	12,390	$	3,047,870	$	1,213,182	$	8,807,663	$	7,135,000	$	3,190,512	$	2,046,450	$	3,766,395	$	29,207,072

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

The following table presents loans by credit quality indicator by origination year at December 31, 2022:

					Term Loans Amortized Cost Basis by Origination Year(a)
($ in thousands)	Rev Loans Converted to Term(a)		Rev Loans Amortized Cost Basis		2022		2021		2020		2019		2018		Prior		Total
Asset-based lending & equipment finance:
Risk rating:
Pass	$	—	$	47,446	$	269,258	$	121,914	$	1,832	$	653	$	85	$	—	$	441,189
Potential Problem	—		—		1,448		—		16,250		—		—		—		17,698
Asset-based lending & equipment finance:	$	—	$	47,446	$	270,706	$	121,914	$	18,082	$	653	$	85	$	—	$	458,887
Commercial and industrial:
Risk rating:
Pass	$	1,423	$	1,891,331	$	2,976,288	$	2,245,094	$	566,001	$	572,467	$	330,557	$	432,906	$	9,014,644
Special Mention	—		93,209		3,411		23,607		—		—		19		32,497		152,744
Potential Problem	447		24,549		39,952		4,193		5,637		38,169		218		6,133		118,851
Nonaccrual	3,926		—		5,210		—		9,119		—		—		—		14,329
Commercial and industrial	$	5,796	$	2,009,089	$	3,024,861	$	2,272,895	$	580,757	$	610,636	$	330,794	$	471,535	$	9,300,567
Commercial real estate - owner occupied:
Risk rating:
Pass	$	—	$	12,447	$	211,645	$	225,627	$	163,965	$	160,370	$	73,487	$	97,420	$	944,961
Special Mention	—		—		—		—		1,136		1,491		9,713		—		12,339
Potential Problem	—		1,325		1,238		11,141		5,523		10,769		370		4,055		34,422
Commercial real estate - owner occupied	$	—	$	13,772	$	212,883	$	236,769	$	170,624	$	172,630	$	83,570	$	101,475	$	991,722
Commercial and business lending:
Risk rating:
Pass	$	1,423	$	1,951,224	$	3,457,191	$	2,592,636	$	731,798	$	733,490	$	404,129	$	530,326	$	10,400,794
Special Mention	—		93,209		3,411		23,607		1,136		1,491		9,732		32,497		165,083
Potential Problem	447		25,874		42,638		15,335		27,410		48,938		589		10,188		170,971
Nonaccrual	3,926		—		5,210		—		9,119		—		—		—		14,329
Commercial and business lending	$	5,796	$	2,070,307	$	3,508,450	$	2,631,578	$	769,463	$	783,919	$	414,449	$	573,010	$	10,751,176
Commercial real estate - investor:
Risk rating:
Pass	$	38,412	$	106,280	$	1,633,094	$	1,419,000	$	683,121	$	530,444	$	262,858	$	210,299	$	4,845,096
Special Mention	—		—		61,968		24,149		7,361		9,400		—		10,455		113,333
Potential Problem	—		—		16,147		21,303		27,635		1,333		19,017		7,099		92,535
Nonaccrual	—		—		2,177		25,668		—		—		—		1,535		29,380
Commercial real estate - investor	$	38,412	$	106,280	$	1,713,387	$	1,490,120	$	718,117	$	541,177	$	281,875	$	229,387	$	5,080,344
Real estate construction:
Risk rating:
Pass	$	—	$	29,892	$	900,593	$	913,107	$	241,230	$	12,062	$	2,226	$	9,775	$	2,108,885
Special Mention	—		—		—		—		12,174		33,087		—		—		45,261
Potential Problem	—		—		—		—		970		—		—		—		970
Nonaccrual	—		—		—		—		—		—		—		105		105
Real estate construction	$	—	$	29,892	$	900,593	$	913,107	$	254,374	$	45,149	$	2,226	$	9,880	$	2,155,222
Commercial real estate lending:
Risk rating:
Pass	$	38,412	$	136,173	$	2,533,687	$	2,332,107	$	924,351	$	542,505	$	265,083	$	220,073	$	6,953,981
Special Mention	—		—		61,968		24,149		19,535		42,487		—		10,455		158,595
Potential Problem	—		—		16,147		21,303		28,605		1,333		19,017		7,099		93,505
Nonaccrual	—		—		2,177		25,668		—		—		—		1,640		29,485
Commercial real estate lending	$	38,412	$	136,173	$	2,613,980	$	2,403,227	$	972,492	$	586,326	$	284,101	$	239,267	$	7,235,565

					Term Loans Amortized Cost Basis by Origination Year(a)
($ in thousands)	Rev Loans Converted to Term(a)		Rev Loans Amortized Cost Basis		2022		2021		2020		2019		2018		Prior		Total
Total commercial:
Risk rating:
Pass	$	39,835	$	2,087,396	$	5,990,879	$	4,924,743	$	1,656,149	$	1,275,996	$	669,213	$	750,399	$	17,354,774
Special Mention	—		93,209		65,379		47,756		20,671		43,978		9,732		42,952		323,677
Potential Problem	447		25,874		58,785		36,638		56,016		50,271		19,606		17,287		264,476
Nonaccrual	3,926		—		7,387		25,668		9,119		—		—		1,640		43,814
Total commercial	$	44,208	$	2,206,480	$	6,122,430	$	5,034,805	$	1,741,955	$	1,370,245	$	698,550	$	812,278	$	17,986,742
Residential mortgage:
Risk rating:
Pass	$	—	$	—	$	1,410,566	$	2,184,125	$	1,716,663	$	817,164	$	370,724	$	1,951,406	$	8,450,648
Special Mention	—		—		—		284		96		—		—		63		444
Potential Problem	—		—		455		71		—		738		29		685		1,978
Nonaccrual	—		—		8,506		3,851		6,219		3,744		5,014		31,145		58,480
Residential mortgage	$	—	$	—	$	1,419,527	$	2,188,332	$	1,722,979	$	821,645	$	375,768	$	1,983,299	$	8,511,550
Auto finance:
Risk rating:
Pass	$	—	$	—	$	1,271,205	$	106,102	$	333	$	1,267	$	446	$	61	$	1,379,414
Special Mention	—		—		1,052		118		—		—		—		—		1,170
Nonaccrual	—		—		1,149		331		—		9		—		—		1,490
Auto finance	$	—	$	—	$	1,273,406	$	106,551	$	333	$	1,276	$	446	$	61	$	1,382,073
Home equity:
Risk rating:
Pass	$	7,254	$	508,212	$	31,389	$	6,508	$	2,112	$	6,197	$	6,966	$	54,827	$	616,211
Special Mention	47		102		—		—		—		—		47		310		458
Potential Problem	—		15		—		—		—		34		2		146		197
Nonaccrual	1,590		—		306		102		131		307		319		6,322		7,487
Home equity	$	8,891	$	508,329	$	31,695	$	6,610	$	2,243	$	6,538	$	7,333	$	61,605	$	624,353
Other consumer:
Risk rating:
Pass	$	64	$	199,942	$	7,429	$	5,256	$	2,468	$	1,238	$	174	$	77,611	$	294,117
Special Mention	6		490		11		—		5		5		—		25		537
Nonaccrual	78		56		11		21		10		56		10		34		197
Other consumer	$	147	$	200,488	$	7,452	$	5,276	$	2,482	$	1,300	$	184	$	77,670	$	294,851
Total consumer:
Risk rating:
Pass	$	7,318	$	708,154	$	2,720,589	$	2,301,991	$	1,721,576	$	825,866	$	378,310	$	2,083,904	$	10,740,390
Special Mention	52		592		1,063		403		101		5		47		398		2,609
Potential Problem	—		15		455		71		—		772		31		831		2,175
Nonaccrual	1,668		56		9,973		4,304		6,360		4,116		5,343		37,501		67,654
Total consumer	$	9,038	$	708,817	$	2,732,080	$	2,306,769	$	1,728,037	$	830,759	$	383,731	$	2,122,635	$	10,812,828
Total loans:
Risk rating:
Pass	$	47,152	$	2,795,551	$	8,711,468	$	7,226,734	$	3,377,725	$	2,101,861	$	1,047,522	$	2,834,303	$	28,095,164
Special Mention	52		93,801		66,443		48,159		20,772		43,983		9,778		43,350		326,286
Potential Problem	447		25,889		59,240		36,709		56,016		51,043		19,637		18,118		266,651
Nonaccrual	5,595		56		17,360		29,972		15,479		4,116		5,343		39,141		111,467
Total loans	$	53,246	$	2,915,297	$	8,854,510	$	7,341,574	$	3,469,992	$	2,201,004	$	1,082,280	$	2,934,912	$	28,799,569

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

The following table presents gross charge offs by origination year at March 31, 2023:

			Gross Charge Offs by Origination Year
($ in thousands)	Rev Loans Amortized Cost Basis		YTD 2023		2022		2021		2020		2019		Prior		Total
Commercial and industrial	$	823	$	—	$	—	$	—	$	—	$	—	$	2,152	$	2,975
Commercial and business lending	823		—		—		—		—		—		2,152		2,975
Total commercial	823		—		—		—		—		—		2,152		2,975
Residential mortgage	—		—		107		19		8		2		32		168
Auto finance	—		—		922		181		—		—		—		1,103
Home equity	—		—		43		14		—		22		33		111
Other consumer	916		—		117		49		9		5		48		1,144
Total consumer	916		—		1,189		263		17		29		112		2,525
Total gross charge offs	$	1,739	$	—	$	1,189	$	263	$	17	$	29	$	2,264	$	5,501

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

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

Loans are considered past due if the required principal and interest payments have not been received as of the date such payments were due. Special mention credits have potential weaknesses that warrant specific attention from management. If left uncorrected, these potential weaknesses may result in deterioration of the repayment prospects for the credit. Accruing loan modifications could be pass or special mention, depending on the risk rating on the loan. 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 loan modification, 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 credits, which are performing rated credits, are generally reviewed on an annual basis or more frequently if the loan renewal is less than one year or if otherwise warranted.

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

	Accruing
($ in thousands)	Current		30-59 Days Past Due		60-89 Days Past Due		90+ Days Past Due		Nonaccrual(a)(b)		Total
Asset-based lending & equipment finance	$	522,834	$	—	$	—	$	—	$	—	$	522,834
Commercial and industrial	9,319,650		4,110		130		323		22,735		9,346,947
Commercial real estate - owner occupied	1,045,803		2,955		—		—		1,478		1,050,236
Commercial and business lending	10,888,287		7,065		130		323		24,213		10,920,017
Commercial real estate - investor	5,069,126		—		—		—		25,122		5,094,249
Real estate construction	2,146,892		—		—		—		178		2,147,070
Commercial real estate lending	7,216,018		—		—		—		25,300		7,241,318
Total commercial	18,104,305		7,065		130		323		49,513		18,161,335
Residential mortgage	8,539,264		7,430		196		—		58,274		8,605,164
Auto finance	1,540,463		7,330		1,310		—		2,436		1,551,538
Home equity	598,427		3,366		747		—		7,246		609,787
Other consumer	276,045		976		747		1,380		100		279,248
Total consumer	10,954,199		19,102		3,000		1,380		68,056		11,045,737
Total loans	$	29,058,504	$	26,167	$	3,130	$	1,703	$	117,569	$	29,207,072

(a) Of the total nonaccrual loans, $78 million, or 66%, were current with respect to payment at March 31, 2023.

(b) No interest income was recognized on nonaccrual loans for the three months ended March 31, 2023. In addition, there were $15 million of nonaccrual loans for which there was no related ACLL at March 31, 2023.

The following table presents loans by past due status at December 31, 2022:

	Accruing
($ in thousands)	Current		30-59 Days Past Due		60-89 Days Past Due		90+ Days  Past Due		Nonaccrual(a)(b)		Total
Asset-based lending & equipment finance	$	458,887	$	—	$	—	$	—	$	—	$	458,887
Commercial and industrial	9,279,674		716		5,566		282		14,329		9,300,567
Commercial real estate - owner occupied	991,493		218		12		—		—		991,722
Commercial and business lending	10,730,053		934		5,578		282		14,329		10,751,176
Commercial real estate - investor	5,049,897		1,067		—		—		29,380		5,080,344
Real estate construction	2,155,077		39		—		—		105		2,155,222
Commercial real estate lending	7,204,975		1,105		—		—		29,485		7,235,565
Total commercial	17,935,028		2,040		5,578		282		43,814		17,986,742
Residential mortgage	8,443,072		9,811		63		124		58,480		8,511,550
Auto finance	1,371,176		8,238		1,170		—		1,490		1,382,073
Home equity	611,259		5,149		458		—		7,487		624,353
Other consumer	291,722		1,018		592		1,322		197		294,851
Total consumer	10,717,229		24,216		2,283		1,446		67,654		10,812,828
Total loans	$	28,652,257	$	26,256	$	7,861	$	1,728	$	111,467	$	28,799,569

(a) Of the total nonaccrual loans, $64 million, or 58%, were current with respect to payment at December 31, 2022.

(b) No interest income was recognized on nonaccrual loans for the year ended December 31, 2022. In addition, there were $11 million of nonaccrual loans for which there was no related ACLL at December 31, 2022.

Loan Modifications and Troubled Debt Restructurings

Under ASU 2022-02, effective January 1, 2023, loan modifications are reported if concessions have been granted to borrowers that are experiencing financial difficulty. Information on these loan modifications originated after the effective date is presented according to the new accounting guidance. Reporting periods prior to the adoption of ASU 2022-02 present information on TDRs under the previous disclosure requirements.

The following tables show the composition of loan modifications made to borrowers experiencing financial difficulty by the loan portfolio and type of concessions granted during the three months ended March 31, 2023. Each of the types of concessions granted comprised less than 1% of their respective classes of loan portfolios at March 31, 2023.

	Interest Rate Concession
($ in thousands)	Amortized Cost
Commercial and industrial	$	47
Auto	61
Home equity	31
Other consumer	498
Total loans modified	$	637

	Term Extension
($ in thousands)	Amortized Cost
Residential mortgage	$	209
Total loans modified	$	209

	Combination - Interest Rate Concession and Term Extension
($ in thousands)	Amortized Cost
Residential mortgage	$	165
Home equity	93
Total loans modified	$	258

The following tables summarize, by loan portfolio, the financial effect of the Corporation's loan modifications on the modified loans as of March 31, 2023:

Interest Rate Concession
Loan Type	Financial Effect, Weighted Average Contractual Interest Rate (Decrease) Increase(a)
Commercial and industrial	(16)	%
Auto	(2)	%
Home equity	1	%
Other consumer	(20)	%
Total loans modified(b)	(17)	%

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

(b) During the three months ended March 31, 2023, interest rate concessions changed the weighted average interest rate on modified loans from 22% to 5%, which primarily consisted of credit cards.

Term Extension
Loan Type	Financial Effect, Weighted Average Term Increase(a)
Residential mortgage	26 months
Total loans modified	26 months

(a) During the three months ended March 31, 2023, term extensions changed the weighted average term on modified loans from 334 months to 360 months.

The Corporation closely monitors the performance of loans that are modified to borrowers experiencing financial difficulty to understand the effectiveness of its modification efforts. The following table depicts the performance of loans that have been modified in the last three months at March 31, 2023:

	Payment Status (Amortized Cost Basis)
($ in thousands)	Current		30-89 Days Past Due		90+ Days Past Due		Nonaccrual
Commercial and industrial	$	47	$	—	$	—	$	—
Residential mortgage	126		—		—		248
Auto	61		—		—		—
Home equity	31		—		—		93
Other consumer	498		—		—		—
Total loans modified	$	763	$	—	$	—	$	341

The following table provides the amortized cost of loan modifications by loan portfolio and type of concession that were modified in the previous three months and subsequently had a payment default, as of March 31, 2023:

	Amortized Cost of Loan Modifications that Subsequently Defaulted
($ in thousands)	Interest Rate Concession		Term Extension		Combination Interest Rate Reduction and Term Extension
Home equity	$	—	$	—	$	60

The following table presents nonaccrual and performing restructured loans by loan portfolio at December 31, 2022:

($ in thousands)	Performing Restructured Loans		Nonaccrual Restructured Loans(a)
Commercial and industrial	$	12,453	$	—
Commercial real estate — owner occupied	316		—
Commercial real estate — investor	128		2,074
Real estate construction	195		9
Residential mortgage	16,829		17,117
Home equity	2,148		927
Other consumer	798		—
Total restructured loans	$	32,868	$	20,127

(a) Nonaccrual restructured loans have been included within nonaccrual 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 three months ended March 31, 2022:

($ in thousands)	Number of Loans	Recorded Investment(a)		Unpaid Principal Balance(b)
Residential mortgage	24	$	6,421	$	6,502
Home equity	3	80		101
Total loans modified	27	$	6,500	$	6,603

(a) Represents post-modification outstanding recorded investment.
(b) Represents pre-modification outstanding recorded investment.

During the three months ended March 31, 2022, restructured loan modifications of commercial loans primarily included maturity date extensions and payment schedule modifications. Restructured loan modifications of consumer loans for the three months ended March 31, 2022 primarily included maturity date extensions, interest rate concessions, non-reaffirmed Chapter 7 bankruptcies, or a combination of these concessions.

The following table provides the number of loans modified during the previous twelve months which subsequently defaulted during the three months ended March 31, 2022, and the recorded investment in these restructured loans at the time of default as of March 31, 2022:

	Three Months Ended March 31, 2022
($ in thousands)	Number of Loans	Recorded Investment
Residential mortgage	1	$	884

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

Allowance for Credit Losses on Loans

The ACLL is comprised of the allowance for loan losses and the allowance for unfunded commitments. The level of the ACLL represents management’s estimate of an amount appropriate to provide for expected lifetime credit losses in the loan portfolio at the balance sheet date. The expected lifetime credit losses are the product of multiplying the Corporation's estimates of probability of default, loss given default, and the individual loan level exposure at default on an undiscounted basis. A main factor in the determination of the ACLL is the economic forecast. The forecast the Corporation used for March 31, 2023 was the Moody's baseline scenario from February 2023, which was reviewed against the March 2023 baseline scenario with no material updates made, over a 2 year reasonable and supportable period with straight-line reversion to the historical losses over the second year of the period. The allowance for unfunded commitments is maintained at a level believed by management to be sufficient to absorb expected lifetime losses related to unfunded credit facilities (including unfunded loan commitments and letters of credit). See Note 11 for additional information on the change in the allowance for unfunded commitments.

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

($ in thousands)	Dec 31, 2022		Charge offs		Recoveries		Net Charge offs		Provision for credit losses		Mar 31, 2023		ACLL / Loans
Allowance for loan losses
Asset-based lending & equipment finance	$	6,564	$	—	$	—	$	—	$	2	$	6,566
Commercial and industrial	112,512		(2,975)		1,216		(1,759)		6,930		117,683
Commercial real estate — owner occupied	9,475		—		3		3		785		10,263
Commercial and business lending	128,551		(2,975)		1,219		(1,756)		7,717		134,512
Commercial real estate — investor	54,398		—		—		—		412		54,809
Real estate construction	45,589		—		18		18		3,946		49,552
Commercial real estate lending	99,986		—		18		18		4,357		104,362
Total commercial	228,538		(2,975)		1,237		(1,738)		12,075		238,874
Residential mortgage	38,298		(168)		114		(53)		851		39,096
Auto finance	19,619		(1,103)		147		(957)		3,531		22,193
Home equity	14,875		(111)		451		340		(442)		14,774
Other consumer	11,390		(1,144)		263		(881)		986		11,495
Total consumer	84,182		(2,525)		975		(1,550)		4,925		87,557
Total loans	$	312,720	$	(5,501)	$	2,212	$	(3,289)	$	17,000	$	326,432
Allowance for unfunded commitments
Asset-based lending & equipment finance	$	601	$	—	$	—	$	—	$	(103)	$	498
Commercial and industrial	12,396		—		—		—		(123)		12,273
Commercial real estate — owner occupied	103		—		—		—		146		249
Commercial and business lending	13,101		—		—		—		(80)		13,020
Commercial real estate — investor	710		—		—		—		159		868
Real estate construction	20,583		—		—		—		963		21,546
Commercial real estate lending	21,292		—		—		—		1,122		22,414
Total commercial	34,393		—		—		—		1,041		35,435
Home equity	2,699		—		—		—		(8)		2,691
Other consumer	1,683		—		—		—		(34)		1,650
Total consumer	4,382		—		—		—		(41)		4,341
Total loans	$	38,776	$	—	$	—	$	—	$	1,000	$	39,776
Allowance for credit losses on loans
Asset-based lending & equipment finance	$	7,165	$	—	$	—	$	—	$	(102)	$	7,063	1.35	%
Commercial and industrial	124,908		(2,975)		1,216		(1,759)		6,808		129,957		1.39	%
Commercial real estate — owner occupied	9,579		—		3		3		931		10,513		1.00	%
Commercial and business lending	141,652		(2,975)		1,219		(1,756)		7,637		147,533		1.35	%
Commercial real estate — investor	55,108		—		—		—		570		55,678		1.09	%
Real estate construction	66,171		—		18		18		4,909		71,098		3.31	%
Commercial real estate lending	121,279		—		18		18		5,479		126,776		1.75	%
Total commercial	262,931		(2,975)		1,237		(1,738)		13,116		274,309		1.51	%
Residential mortgage	38,298		(168)		114		(53)		851		39,096		0.45	%
Auto finance	19,619		(1,103)		147		(957)		3,531		22,193		1.43	%
Home equity	17,574		(111)		451		340		(449)		17,465		2.86	%
Other consumer	13,073		(1,144)		263		(881)		952		13,145		4.71	%
Total consumer	88,565		(2,525)		975		(1,550)		4,884		91,898		0.83	%
Total loans	$	351,496	$	(5,501)	$	2,212	$	(3,289)	$	18,000	$	366,208	1.25	%

The following table presents a summary of the changes in the ACLL by portfolio segment for the year ended December 31, 2022:

($ in thousands)	Dec 31, 2021		Charge offs		Recoveries		Net Charge offs		Provision for credit losses		Dec 31, 2022		ACLL / Loans
Allowance for loan losses
Asset-based lending & equipment finance	$	4,182	$	—	$	—	$	—	$	2,382	$	6,564
Commercial and industrial	85,675		(4,491)		5,282		791		26,047		112,512
Commercial real estate — owner occupied	11,473		—		13		13		(2,011)		9,475
Commercial and business lending	101,330		(4,491)		5,295		804		26,418		128,551
Commercial real estate — investor	72,803		(50)		50		—		(18,405)		54,398
Real estate construction	37,643		(48)		106		58		7,887		45,589
Commercial real estate lending	110,446		(98)		156		58		(10,518)		99,986
Total commercial	211,776		(4,588)		5,451		862		15,900		228,538
Residential mortgage	40,787		(567)		908		341		(2,830)		38,298
Auto finance	1,999		(1,041)		98		(943)		18,563		19,619
Home equity	14,011		(587)		1,385		798		66		14,875
Other consumer	11,441		(3,363)		1,010		(2,353)		2,301		11,390
Total consumer	68,239		(5,558)		3,401		(2,157)		18,100		84,182
Total loans	$	280,015	$	(10,146)	$	8,852	$	(1,294)	$	34,000	$	312,720
Allowance for unfunded commitments
Asset-based lending & equipment finance	$	857	$	—	$	—	$	—	$	(256)	$	601
Commercial and industrial	17,601		—		—		—		(5,205)		12,396
Commercial real estate — owner occupied	208		—		—		—		(105)		103
Commercial and business lending	18,667		—		—		—		(5,566)		13,101
Commercial real estate — investor	936		—		—		—		(226)		710
Real estate construction	15,586		—		—		—		4,997		20,583
Commercial real estate lending	16,522		—		—		—		4,770		21,292
Total commercial	35,189		—		—		—		(796)		34,393
Home equity	2,592		—		—		—		107		2,699
Other consumer	1,995		—		—		—		(311)		1,683
Total consumer	4,587		—		—		—		(204)		4,382
Total loans	$	39,776	$	—	$	—	$	—	$	(1,000)	$	38,776
Allowance for credit losses on loans
Asset-based lending & equipment finance	$	5,040	$	—	$	—	$	—	$	2,125	$	7,165	1.56	%
Commercial and industrial	103,276		(4,491)		5,282		791		20,842		124,908		1.34	%
Commercial real estate — owner occupied	11,681		—		13		13		(2,115)		9,579		0.97	%
Commercial and business lending	119,997		(4,491)		5,295		804		20,852		141,652		1.32	%
Commercial real estate — investor	73,739		(50)		50		—		(18,631)		55,108		1.08	%
Real estate construction	53,229		(48)		106		58		12,884		66,171		3.07	%
Commercial real estate lending	126,968		(98)		156		58		(5,748)		121,279		1.68	%
Total commercial	246,965		(4,588)		5,451		862		15,104		262,931		1.46	%
Residential mortgage	40,787		(567)		908		341		(2,830)		38,298		0.45	%
Auto finance	1,999		(1,041)		98		(943)		18,563		19,619		1.42	%
Home equity	16,603		(587)		1,385		798		173		17,574		2.81	%
Other consumer	13,436		(3,363)		1,010		(2,353)		1,990		13,073		4.43	%
Total consumer	72,825		(5,558)		3,401		(2,157)		17,896		88,565		0.82	%
Total loans	$	319,791	$	(10,146)	$	8,852	$	(1,294)	$	33,000	$	351,496	1.22	%

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Goodwill and Other Intangible Assets

3 Months Ended

Mar. 31, 2023

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 2022, utilizing a qualitative assessment. Factors that management considered in this assessment included macroeconomic conditions, industry and market considerations, overall financial performance of the Corporation and each reporting unit (both current and projected), changes in management

strategy, and changes in the composition or carrying amount of net assets. In addition, management considered the changes in both the Corporation's common stock price and in the overall bank common stock index (based on the S&P 400 Regional Bank Sub-Industry Index), as well as the Corporation's earnings per common share trend over the past year. Based on these assessments, management concluded that it is more likely than not that the estimated fair value exceeded the carrying value (including goodwill) for each reporting unit. Therefore, a step one quantitative analysis was not required. There have been no events since the May 2022 impairment test that have changed the Corporation's impairment assessment conclusion. There were no impairment charges recorded in 2022 or the first three months of 2023.

The Corporation had goodwill of $1.1 billion at both March 31, 2023 and December 31, 2022.

Core Deposit Intangibles

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

($ in thousands)	Three Months Ended March 31, 2023		Year Ended Dec 31, 2022
Core deposit intangibles
Gross carrying amount at the beginning of period	$	88,109	$	88,109
Accumulated amortization	(41,030)		(38,827)
Net book value	$	47,079	$	49,282
Amortization during the period	$	2,203	$	8,811

Mortgage Servicing Rights

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

A summary of changes in the balance of the MSRs asset under the fair value measurement method for the three months ended March 31, 2023 and the year ended December 31, 2022 is as follows:

($ in thousands)	Three Months Ended March 31, 2023			Year Ended Dec 31, 2022
Mortgage servicing rights
Mortgage servicing rights at beginning of period	$	77,351		$	54,862
Cumulative effect of accounting methodology change	N/A			2,296
Balance at beginning of period, adjusted	$	77,351		$	57,158
Additions	474			7,279
Paydowns	(1,489)			(9,350)
Valuation:
Change in fair value model assumptions	—			5,715
Changes in fair value of asset	(1,857)			16,549
Mortgage servicing rights at end of period	$	74,479		$	77,351
Portfolio of residential mortgage loans serviced for others (“servicing portfolio”)	$	6,611,770		$	6,711,820
Mortgage servicing rights to servicing portfolio	1.13		%	1.15		%

The projections of amortization expense for CDIs and decay for MSRs are based on existing asset balances, the current interest rate environment, and prepayment speeds as of March 31, 2023. The actual expense the Corporation recognizes in any given period may be significantly different depending upon acquisition or sale activities, changes in interest rates, prepayment speeds, market conditions, regulatory requirements, and events or circumstances that indicate the carrying amount of an asset may not be recoverable. The following table shows the estimated future amortization expense for CDIs and decay for MSRs:

($ in thousands)	Core Deposit Intangibles		Mortgage Servicing Rights
Nine months ended December 31, 2023	$	6,608	$	9,713
2024	8,811		12,079
2025	8,811		10,382
2026	8,811		8,924
2027	8,811		7,518
2028	3,485		6,564
Beyond 2028	1,742		19,299
Total estimated amortization expense and MSRs decay	$	47,079	$	74,479

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Short and Long-Term Funding

3 Months Ended

Mar. 31, 2023

Debt Disclosure [Abstract]

Short and Long-Term Funding

Short and Long-Term Funding

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

($ in thousands)	Mar 31, 2023		Dec 31, 2022
Short-term funding
Federal funds purchased	$	350	$	344,170
Securities sold under agreements to repurchase	208,048		240,969
Federal funds purchased and securities sold under agreements to repurchase	208,398		585,139
Commercial paper	18,210		20,798
Total short-term funding	$	226,608	$	605,937
Long-term funding
Corporation subordinated notes, at par	$	550,000	$	250,000
Discount and capitalized costs	(8,513)		(544)
Subordinated debt fair value hedge(a)	2,168		(1,855)
Finance leases	448		469
Total long-term funding	$	544,103	$	248,071
Total short and long-term funding, excluding FHLB advances	$	770,711	$	854,007
FHLB advances
Short-term FHLB advances	$	3,785,000	$	3,125,000
Long-term FHLB advances	1,208,745		1,209,170
FHLB advances fair value hedge(a)	(7,607)		(14,308)
Total FHLB advances	$	4,986,138	$	4,319,861
Total short and long-term funding	$	5,756,849	$	5,173,869

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

Securities Sold Under Agreements to Repurchase

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

The Corporation utilizes repurchase agreements to facilitate the needs of its customers. The fair value of securities pledged to secure repurchase agreements may decline. At March 31, 2023, the Corporation had pledged securities valued at 157% of the gross outstanding balance of repurchase agreements to manage this risk.

The remaining contractual maturity of the securities sold under agreements to repurchase on the consolidated balance sheets as of March 31, 2023 and December 31, 2022 are presented in the following table:

	Overnight and Continuous
($ in thousands)	Mar 31, 2023		Dec 31, 2022
Repurchase agreements
Agency mortgage-related securities	$	208,048	$	240,969

Long-Term Funding

Subordinated Notes 

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

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

Finance Leases

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

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Derivative and Hedging Activities

3 Months Ended

Mar. 31, 2023

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 values 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 $106 million and $92 million of investment securities as collateral at March 31, 2023 and December 31, 2022, respectively. Cash is often pledged as collateral for derivatives that are not centrally cleared. The Corporation's required cash collateral was approximately $610,000 at March 31, 2023, compared to $3 million at December 31, 2022.

Federal regulations require the Corporation to clear all LIBOR and compound SOFR 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 and the London Clearing House 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 its fixed-rate debt due to changes in benchmark interest rates. The Corporation uses interest rate swaps to manage its exposure to changes in fair value on these instruments attributable to changes in the designated benchmark interest rates. Interest rate swaps designated as fair value hedges involve receiving payment of

fixed-rate amounts from a counterparty in exchange for the Corporation paying 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, as allowed under U.S. GAAP, we applied the "shortcut" method of accounting, which permits the assumption of perfect effectiveness. The gain or loss on the derivative as well as the offsetting loss or gain on the hedged item attributable to the hedged risk are recognized in interest expense. These items, along with the net interest from the derivative, are reported in the same income statement line as the fixed-rate debt expense.

Cash Flow Hedges of Interest Rate Risk

The Corporation is exposed to variability in cash flows on its floating rate assets due to changes in benchmark interest rates. The Corporation uses interest rate swaps to hedge certain forecasted transactions for the variability in cash flows attributable to the contractually specified interest rate in order to add stability to net interest income and to manage its exposure to interest rate movements. Interest rate swaps designated as cash flow hedges involve receiving fixed-rate amounts from a counterparty in exchange for the Corporation making variable-rate payments over the life of the agreements without the exchange of the underlying notional amount. These items, along with the net interest from the derivative, are reported in the same income statement line as the interest income from the floating-rate assets.

When the relationship between the hedged item and hedging instrument is highly effective at achieving offsetting changes in cash flows attributable to the hedged risk, changes in the fair value of these cash flow hedges are recorded in accumulated other comprehensive income (loss) and are subsequently reclassified to interest income as interest payments are made on such variable rate loans.

Derivatives to Accommodate Customer Needs

The Corporation 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 and foreign currency. 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) and foreign currency exchange forwards. See Note 10 for additional information and disclosures on balance sheet offsetting.

Interest rate-related and other 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. The Corporation also enters into credit risk participation agreements with financial institution counterparties for interest rate swaps related to loans in which we are either a participant or a lead bank. The risk participation agreements entered into by the Corporation as a participant bank provide credit protection to the financial institution counterparty should the borrower fail to perform on its interest rate derivative contract with that financial institution.

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.

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 are 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 on the consolidated statements of income.

Interest rate-related instruments for MSRs hedge: The fair value of the Corporation's MSRs asset changes in response to changes in primary mortgage loan rates and other assumptions. To mitigate the earnings volatility caused by changes in the fair value of MSRs, the Corporation designates certain financial instruments as an economic hedge. Changes in the fair value of these instruments are generally expected to partially offset changes in the fair value of MSRs and are 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 on the consolidated statements of income.

The following table presents the total notional amounts and gross fair values of the Corporation’s derivatives, as well as the balance sheet netting adjustments as of March 31, 2023 and December 31, 2022. 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 March 31, 2023 and December 31, 2022. 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.

	Mar 31, 2023								Dec 31, 2022
	Asset				Liability				Asset				Liability
($ in thousands)	Notional Amount		Fair Value		Notional Amount		Fair Value		Notional Amount		Fair Value		Notional Amount		Fair Value
Designated as hedging instruments:
Interest rate-related instruments	$	2,000,000	$	19,416	$	850,000	$	—	$	900,000	$	4,349	$	1,150,000	$	1,260
Not designated as hedging instruments:
Interest rate-related and other instruments	4,412,666		71,619		4,737,474		199,339		4,246,823		62,401		4,599,391		251,398
Foreign currency exchange forwards	468,094		3,313		454,970		3,194		499,078		1,922		461,134		1,801
Mortgage banking(a)	59,184		338		83,500		441		21,265		86		33,000		46
Total not designated as hedging instruments			75,271				202,974				64,410				253,245
Gross derivatives before netting			94,687				202,974				68,759				254,506
Less: Legally enforceable master netting agreements			8,301				8,301				2,788				2,788
Less: Cash collateral pledged/received			36,331				342				26,898				217
Total derivative instruments, after netting			$	50,056			$	194,331			$	39,072			$	251,500

(a) The notional amount of the mortgage derivative asset includes interest rate lock commitments, while the notional amount of the mortgage derivative liability includes forward commitments.

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

	Line Item in the Consolidated Balance Sheets in Which the Hedged Item is Included
	Carrying Amount of the Hedged Assets/(Liabilities)		Cumulative Amount of Fair Value Hedging Adjustment Included in the Carrying Amount of the Hedged Assets/(Liabilities)		Carrying Amount of the Hedged Assets/(Liabilities)		Cumulative Amount of Fair Value Hedging Adjustment Included in the Carrying Amount of the Hedged Assets/(Liabilities)
($ in thousands)	March 31, 2023				December 31, 2022
Other long-term funding	$	(552,168)	$	(2,168)	$	(248,145)	$	1,855
FHLB Advances	(592,393)		7,607		(585,692)		14,308
Total	$	(1,144,561)	$	5,439	$	(833,837)	$	16,163

The Corporation terminated its $500 million fair value hedge during the fourth quarter of 2019. At March 31, 2023, the amortized cost basis of the closed portfolios which had previously been used in the terminated hedging relationship was $315 million and is included in loans on the consolidated balance sheets. This amount includes $1 million of hedging adjustments on the discontinued hedging relationships, which are not presented in the table above.

The table below identifies the effect of fair value and cash flow hedge accounting on the Corporation's consolidated statements of income for the three months ended March 31, 2023 and 2022:

	Location and Amount Recognized on the Consolidated Statements of Income in Fair Value and Cash Flow Hedging Relationships
	Three months ended Mar 31,
	2023				2022
($ in thousands)	Interest Income		Interest Expense		Interest Income
Total amounts of income presented on the consolidated statements of income in which the effects of the fair value or cash flow hedges are recorded(a)	$	(1,321)	$	2,515	$	(179)
The effects of fair value and cash flow hedging: Impact on fair value hedging relationships in Subtopic 815-20
Interest contracts:
Hedged items	(59)		10,724		(179)
Derivatives designated as hedging instruments(a)	(1,262)		(8,209)		—

(a) Includes net settlements on the derivatives.

The following table presents the effect of cash flow hedge accounting on accumulated other comprehensive income (loss) for the three months ended March 31, 2023 and 2022:

	Three Months Ended Mar 31,
($ in thousands)	2023		2022
Interest rate-related instruments designated as cash flow hedging instruments
Amount of gain recognized in OCI on cash flow hedge derivative(a)	$	13,763	$	—
Amount of loss reclassified from accumulated other comprehensive income (loss) into interest income(a)	1,262		—

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

Amounts reported in accumulated other comprehensive income (loss) related to cash flow hedge derivatives are reclassified to interest income as interest payments are made on the hedged variable interest rate assets. The Corporation estimates that $6 million will be reclassified as a decrease to interest income over the next 12 months. This amount could differ from amounts actually recognized due to changes in interest rates, hedge de-designations, or the addition of other hedges subsequent to March 31, 2023. The maximum length of time over which the Corporation is hedging its exposure to the variability in future cash flows is 44 months as of March 31, 2023.

The table below identifies the effect of derivatives not designated as hedging instruments on the Corporation's consolidated statements of income for the three months ended March 31, 2023 and 2022:

	Consolidated Statements of Income Category of Gain / (Loss)  Recognized in Income	Three Months Ended Mar 31,
($ in thousands)		2023		2022
Derivative instruments
Interest rate-related and other instruments — customer and mirror, net	Capital markets, net	$	(70)	$	558
Interest rate-related instruments — MSRs hedge	Mortgage banking, net	2,521		(3,666)
Foreign currency exchange forwards	Capital markets, net	(2)		123
Interest rate lock commitments (mortgage)	Mortgage banking, net	252		(2,842)
Forward commitments (mortgage)	Mortgage banking, net	(395)		4,757

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Balance Sheet Offsetting

3 Months Ended

Mar. 31, 2023

Offsetting [Abstract]

Balance Sheet Offsetting

Balance Sheet Offsetting

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

The Corporation enters into interest rate-related instruments to facilitate the interest rate risk management strategies of commercial customers 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 some of 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 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 with assets and liabilities offset resulting in a net position which is further offset by any cash collateral, and is reported in other assets and accrued expenses and other liabilities on the face of the consolidated balance sheets. For disclosure purposes, the net position on the consolidated balance sheets can be further netted down by investment securities collateral received or pledged. See Note 9 for additional information on the Corporation’s derivative and hedging activities.

The following table presents the interest rate and foreign exchange assets and liabilities subject to an enforceable master netting arrangement as of March 31, 2023 and December 31, 2022. The interest and foreign exchange agreements the Corporation has with its commercial customers are not subject to an enforceable master netting arrangement and are therefore excluded from this table:

	Gross Amounts Recognized		Gross Amounts Subject to Master Netting Arrangements Offset on the Consolidated Balance Sheets				Net Amounts Presented on the Consolidated Balance Sheets		Gross Amounts Not Offset on the Consolidated Balance Sheets
($ in thousands)			Derivative Liabilities Offset		Cash Collateral Received				Security Collateral Received		Net  Amount
Derivative assets
March 31, 2023	$	78,018	$	(8,301)	$	(36,331)	$	33,387	$	(32,827)	$	560
December 31, 2022	63,029		(2,788)		(26,898)		33,342		(30,753)		2,589
	Gross Amounts Recognized		Gross Amounts Subject to Master Netting Arrangements Offset on the Consolidated Balance Sheets				Net Amounts Presented on the Consolidated Balance Sheets		Gross Amounts Not Offset on the Consolidated Balance Sheets
($ in thousands)			Derivative Assets Offset		Cash Collateral Pledged				Security Collateral Pledged		Net  Amount
Derivative liabilities
March 31, 2023	$	8,676	$	(8,301)	$	(342)	$	34	$	—	$	34
December 31, 2022	3,096		(2,788)		(217)		91		—		91

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

3 Months Ended

Mar. 31, 2023

Commitments and Contingencies Disclosure [Abstract]

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

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

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

($ in thousands)	Mar 31, 2023		Dec 31, 2022
Commitments to extend credit, excluding commitments to originate residential mortgage loans held for sale(a)(b)	$	11,919,626	$	12,444,275
Commercial letters of credit(a)	5,413		3,188
Standby letters of credit(c)	251,565		270,692

(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 March 31, 2023 or December 31, 2022.

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

(c) Standby letters of credit are presented excluding participations. The Corporation has established a liability of $3 million at both March 31, 2023 and December 31, 2022, 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)	Three Months Ended March 31, 2023		Year Ended December 31, 2022
Allowance for unfunded commitments
Balance at beginning of period	$	38,776	$	39,776
Provision for unfunded commitments	1,000		(1,000)
Balance at end of period	$	39,776	$	38,776

Lending-related commitments include commitments to extend credit, commitments to originate residential mortgage loans held for sale, commercial letters of credit, and standby letters of credit. Commitments to extend credit are legally binding agreements

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

Other Commitments

The Corporation invests in qualified affordable housing projects, historic projects, new market projects, and opportunity zone funds for the purpose of community reinvestment and obtaining tax credits and other tax benefits. Return on the Corporation's investment in these projects and funds comes in the form of the tax credits and tax losses that pass through to the Corporation, and deferral or elimination of capital gain recognition for tax purposes. The aggregate carrying value of these investments at March 31, 2023 was $241 million, compared to $250 million at December 31, 2022, 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 $9 million and $8 million for the three months ended March 31, 2023 and March 31, 2022, respectively. The Corporation's remaining investment in qualified affordable housing projects accounted for under the proportional amortization method totaled $237 million at March 31, 2023 and $246 million at December 31, 2022.

The Corporation’s unfunded equity contributions relating to investments in qualified affordable housing and historic projects are recorded in accrued expenses and other liabilities on the consolidated balance sheets. The Corporation’s remaining unfunded equity contributions totaled $34 million at March 31, 2023 and $40 million at December 31, 2022. Additionally, at March 31, 2023, the Corporation also invests in a private SBA loan fund, recorded in equity securities on the consolidated balance sheets, the purpose of which is to identify CRA qualifying loans within a target region, which has a remaining unfunded equity contribution of $5 million.

For the three months ended March 31, 2023 and the year ended December 31, 2022, the Corporation did not record any impairment related to qualified affordable housing investments.

The Corporation has principal investment commitments to provide capital-based financing to private companies through either direct investment in specific companies or through investment funds and partnerships. The timing of future cash requirements to fund such principal investment commitments is generally dependent on the investment cycle, whereby privately held companies are funded by private equity investors and ultimately sold, merged, or taken public through an initial offering, which can vary based on overall market conditions, as well as the nature and type of industry in which the companies operate. The Corporation also invests in loan pools that support CRA loans. The timing of future cash requirements to fund these pools is dependent upon loan demand, which can vary over time. The aggregate carrying value of these investments was $28 million at March 31, 2023 and $27 million December 31, 2022, 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 believes that the legal proceedings currently pending against it should not have a material adverse effect on the Corporation’s consolidated financial condition. The Corporation notes, however, that in light of the uncertainties involved in such proceedings, there is no assurance that the ultimate resolution of these matters will not significantly exceed the reserves it has currently accrued or that a matter will not have material reputational consequences. As a result, the outcome of a particular matter may be material to the Corporation’s operating results for a particular period, depending on, among other factors, the size of the loss or liability imposed and the level of the Corporation’s income for that period.

Regulatory Matters

A variety of consumer products, including mortgage and deposit products, and certain fees and charges related to such products, have come under increased regulatory scrutiny. It is possible that regulatory authorities could bring enforcement actions, including civil money penalties, or take other actions against the Corporation in regard to these consumer products. The Bank could also determine of its own accord, or be required by regulators, to refund or otherwise make remediation payments to customers in connection with these products. 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. The Corporation also sells qualifying residential mortgage loans guaranteed by U.S. government agencies into GNMA pools.

As a result of make whole requests, the Corporation has repurchased loans with aggregate principal balances of $2 million and $6 million for the three months ended March 31, 2023 and the year ended December 31, 2022, respectively. There were no loss reimbursement and settlement claims paid in the three months ended March 31, 2023, and no such claims were paid for the year ended December 31, 2022. Make whole requests since January 1, 2022 generally arose from loans originated since January 1, 2021 with such balances totaling $2.5 billion at the time of sale, consisting primarily of loans sold to GSEs. As of March 31, 2023, $2.1 billion of those loans originated since January 1, 2021 remain outstanding.

The balance in the mortgage repurchase reserve at the balance sheet date reflects the estimated amount of potential loss the Corporation could incur from repurchasing a loan, as well as loss reimbursements, indemnifications, and other settlement resolutions. The mortgage repurchase reserve, included in accrued expenses and other liabilities on the consolidated balance sheets, was approximately $566,000 at March 31, 2023 and $1 million at December 31, 2022.

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 both March 31, 2023 and December 31, 2022, there were $7 million 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 March 31, 2023 and December 31, 2022, there were $18 million and $19 million, respectively, of such residential mortgage loans with credit risk recourse, upon which there have been immaterial historical losses to the Corporation.

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Fair Value Measurements

3 Months Ended

Mar. 31, 2023

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 2022 Annual Report on Form 10-K.

The table below presents the Corporation’s financial instruments measured at fair value on a recurring basis as of March 31, 2023 and December 31, 2022, aggregated by the level in the fair value hierarchy within which those measurements fall:

($ in thousands)	Fair Value Hierarchy	Mar 31, 2023		Dec 31, 2022
Assets
AFS investment securities:
U.S. Treasury securities	Level 1	$	111,743	$	109,378
Agency securities	Level 2	13,730		13,532
Obligations of state and political subdivisions (municipal securities)	Level 2	228,902		230,714
Residential mortgage-related securities:
FNMA / FHLMC	Level 2	1,574,578		1,604,610
GNMA	Level 2	1,095,588		497,596
Commercial mortgage-related securities:
FNMA / FHLMC	Level 2	17,618		17,142
GNMA	Level 2	189,466		110,462
Asset backed securities:
FFELP	Level 2	143,084		151,191
SBA	Level 2	3,983		4,477
Other debt securities	Level 2	2,918		2,922
Total AFS investment securities	Level 1	$	111,743	$	109,378
Total AFS investment securities	Level 2	3,269,864		2,632,647
Equity securities with readily determinable fair values	Level 1	6,286		5,991
Residential loans held for sale	Level 2	35,742		20,383
Mortgage servicing rights, net	Level 3	74,479		77,351
Interest rate-related instruments designated as hedging instruments(a)	Level 2	19,416		4,349
Interest rate-related and other instruments not designated as hedging instruments(a)	Level 2	71,619		62,401
Foreign currency exchange forwards(a)	Level 2	3,313		1,922
Interest rate lock commitments to originate residential mortgage loans held for sale	Level 3	338		86
Liabilities
Interest rate-related instruments designated as hedging instruments(a)	Level 2	$	—	$	1,260
Interest rate-related and other instruments not designated as hedging instruments(a)	Level 2	199,339		251,398
Foreign currency exchange forwards(a)	Level 2	3,194		1,801
Forward commitments to sell residential mortgage loans	Level 3	441		46

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

The table below presents a rollforward of the consolidated balance sheets amounts for the three months ended March 31, 2023 and the year ended December 31, 2022, 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, 2021	$	2,617	$	(30)	$	2,647
New production	10,442		(2,028)		12,470
Closed loans / settlements	(913)		24,766		(25,679)
Other	(12,060)		(22,662)		10,603
Change in mortgage derivative	(2,531)		76		(2,607)
Balance December 31, 2022	$	86	$	46	$	40
New production	$	1,134	$	(294)	$	1,429
Closed loans / settlements	(570)		46		(616)
Other	(312)		644		(956)
Change in mortgage derivative	252		395		(143)
Balance March 31, 2023	$	338	$	441	$	(103)

The following table presents the carrying value of equity securities without readily determinable fair values still held as of March 31, 2023 that are measured under the measurement alternative and the related adjustments recorded during the periods presented for those securities with observable price changes. 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 March 31, 2023:

($ in thousands)
Equity securities without readily determinable fair values
Carrying value as of December 31, 2022	$	19,225
Carrying value changes	—
Purchases	5,003
Sales	—
Carrying value as of March 31, 2023	$	24,228
Cumulative upward carrying value changes between January 1, 2018 and March 31, 2023	$	19,134
Cumulative downward carrying value changes/impairment between January 1, 2018 and March 31, 2023	$	—

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

($ in thousands)	Fair Value Hierarchy	Fair Value		Consolidated Statements of Income Category of Adjustment Recognized in Income	Adjustment Recognized on the Consolidated Statements of Income(a)
March 31, 2023
Assets
Individually evaluated loans	Level 3	$	35,499	Provision for credit losses	$	4,608
OREO(b)	Level 2	70		Other noninterest expense / provision for credit losses(c)	46
December 31, 2022
Assets
Individually evaluated loans	Level 3	$	23,584	Provision for credit losses	$	4,405
OREO(b)	Level 2	2,196		Other noninterest expense / provision for credit losses(c)	971
Equity securities without readily determinable fair values	Level 3	19,134		Investment securities gains (losses), net	5,690

(a) Includes the full year impact on the consolidated statements of income.
(b) If the fair value of the collateral exceeds the carrying amount of the asset, no charge off or adjustment is necessary, the asset is not considered to be carried at fair value and is therefore not included in the table.
(c) When a property's value is written down at the time it is transferred to OREO, the charge off is booked to the provision for credit losses. When a property is already in OREO and subsequently written down, the charge off is booked to other noninterest expense.

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

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

March 31, 2023	Valuation Technique	Significant Unobservable Input	Range of Inputs			Weighted Average Input Applied
Mortgage servicing rights	Discounted cash flow	Option adjusted spread	6%	-	9%	7%
Mortgage servicing rights	Discounted cash flow	Constant prepayment rate	—%	-	100%	7%
Individually evaluated loans	Appraisals / Discounted cash flow	Collateral / Discount factor	25%	-	48%	35%
Interest rate lock commitments to originate residential mortgage loans held for sale	Discounted cash flow	Closing Ratio	5%	-	100%	74%

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:

		Mar 31, 2023				Dec 31, 2022
($ in thousands)	Fair Value Hierarchy Level	Carrying Amount		Fair Value		Carrying Amount		Fair Value
Financial assets
Cash and due from banks	Level 1	$	311,269	$	311,269	$	436,952	$	436,952
Interest-bearing deposits in other financial institutions	Level 1	511,116		511,116		156,693		156,693
Federal funds sold and securities purchased under agreements to resell	Level 1	455		455		27,810		27,810
AFS investment securities	Level 1	111,743		111,743		109,378		109,378
AFS investment securities	Level 2	3,269,864		3,269,864		2,632,647		2,632,647
HTM investment securities, net	Level 1	999		947		999		936
HTM investment securities, net	Level 2	3,966,060		3,480,530		3,959,399		3,400,028
Equity securities with readily determinable fair values	Level 1	6,286		6,286		5,991		5,991
Equity securities without readily determinable fair values	Level 2	5,000		5,000		—		—
Equity securities without readily determinable fair values	Level 3	19,228		19,228		19,225		19,225
FHLB and Federal Reserve Bank stocks	Level 2	331,420		331,420		295,496		295,496
Residential loans held for sale	Level 2	35,742		35,742		20,383		20,383
Commercial loans held for sale	Level 2	33,490		33,490		—		—
Loans, net	Level 3	28,880,640		27,921,022		28,486,849		27,481,426
Bank and corporate owned life insurance	Level 2	677,328		677,328		676,530		676,530
Mortgage servicing rights, net	Level 3	74,479		74,479		77,351		77,351
Derivatives (other assets)(a)	Level 2	94,349		94,349		68,672		68,672
Interest rate lock commitments to originate residential mortgage loans held for sale (other assets)	Level 3	338		338		86		86
Financial liabilities
Noninterest-bearing demand, savings, interest-bearing demand, and money market accounts	Level 3	$	27,393,908	$	27,393,908	$	27,705,996	$	27,705,996
Brokered CDs and other time deposits(b)	Level 2	2,937,916		2,937,916		1,930,158		1,930,158
Short-term funding	Level 2	226,608		226,600		605,937		605,205
FHLB advances	Level 2	4,986,138		4,987,658		4,319,861		4,322,264
Other long-term funding	Level 2	544,103		535,836		248,071		242,151
Standby letters of credit(c)	Level 2	2,717		2,717		2,881		2,881
Derivatives (accrued expenses and other liabilities)(a)	Level 2	202,533		202,533		254,459		254,459
Forward commitments to sell residential mortgage loans (accrued expenses and other liabilities)	Level 3	441		441		46		46

(a) Figures are presented gross before netting. See Note 9 and Note 10 for information relating to the impact of offsetting derivative assets and liabilities and cash collateral with the
    same counterparty where there is a legally enforceable master netting agreement in place.
(b) When the estimated fair value is less than the carrying value, the carrying value is reported as the fair value.
(c) The commitment on standby letters of credit was $252 million at March 31, 2023 and $271 million at December 31, 2022. See Note 11 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

3 Months Ended

Mar. 31, 2023

Retirement Benefits [Abstract]

Retirement Plans

Retirement Plans

The Corporation has a noncontributory defined benefit 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 components of net periodic pension cost and net periodic benefit cost for the RAP and Postretirement Plan for the three months ended March 31, 2023 and 2022 were as follows:

	Three Months Ended Mar 31,
($ in thousands)	2023		2022
RAP
Service cost	$	796	$	923
Interest cost	2,686		1,772
Expected return on plan assets	(8,202)		(6,736)
Amortization of prior service cost	(63)		(63)
Amortization of actuarial loss	37		74
Total net periodic pension cost	$	(4,746)	$	(4,029)
Postretirement Plan
Interest cost	$	20	$	13
Amortization of prior service cost	(19)		(19)
Amortization of actuarial loss (gain)	(7)		—
Total net periodic benefit cost	$	(7)	$	(6)

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 three months ended March 31, 2023 and 2022.

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Segment Reporting

3 Months Ended

Mar. 31, 2023

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 2022 Annual Report on Form 10-K, with certain exceptions. The more significant of these exceptions are described herein.

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

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

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

The provision for credit losses is allocated to segments based on the expected long-term annual net charge off rates attributable to the credit risk of loans managed by the segment during the period. In contrast, the level of the consolidated provision for credit losses is determined based on an ACLL model using the methodologies described in the Corporation’s 2022 Annual Report on Form 10-K. The net effect of the credit provision is recorded in Risk Management and Shared Services. Indirect

expenses incurred by certain centralized support areas are allocated to segments based on actual usage (for example, volume measurements) and other criteria. Certain types of administrative expense and bank-wide expense accruals (including, when applicable, amortization of CDIs and other intangible assets associated with acquisitions, acquisition-related costs, and asset gains on disposed business units) are generally not allocated to segments. Income taxes are allocated to segments based on the Corporation’s estimated effective tax rate, with certain segments adjusted for any tax-exempt income or non-deductible expenses. Equity is allocated to the segments based on regulatory capital requirements and in proportion to an assessment of the inherent risks associated with the business of the segment (including interest, credit and operating risk).

A brief description of each business segment is presented below. A more in-depth discussion of these segments can be found in the Segment Reporting note in the Corporation’s 2022 Annual Report on Form 10-K.

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

Information about the Corporation’s segments is presented below:

	Corporate and Commercial Specialty
	Three Months Ended Mar 31,
($ in thousands)	2023		2022
Net interest income	$	219,123	$	90,633
Net intersegment interest income (expense)	(80,980)		8,525
Segment net interest income	138,143		99,158
Noninterest income	32,715		37,728
Total revenue	170,858		136,886
Provision for credit losses	13,782		12,653
Noninterest expense	62,061		56,528
Income before income taxes	95,015		67,705
Income tax expense	17,737		12,307
Net income	$	77,278	$	55,399
Allocated goodwill	$	525,836	$	525,836

	Community, Consumer, and Business
	Three Months Ended Mar 31,
($ in thousands)	2023		2022
Net interest income	$	80,284	$	69,544
Net intersegment interest income	88,079		18,833
Segment net interest income	168,363		88,377
Noninterest income	25,949		33,207
Total revenue	194,312		121,584
Provision for credit losses	6,758		4,656
Noninterest expense	111,694		98,461
Income before income taxes	75,860		18,466
Income tax expense	15,931		3,878
Net income	$	59,930	$	14,588
Allocated goodwill	$	579,156	$	579,156

	Risk Management and Shared Services
	Three Months Ended Mar 31,
($ in thousands)	2023		2022
Net interest income	$	(25,397)	$	27,570
Net intersegment (expense)	(7,099)		(27,358)
Segment net interest income (loss)	(32,496)		212
Noninterest income	3,409		3,532
Total revenue	(29,087)		3,744
Provision for credit losses	(2,568)		(21,300)
Noninterest expense	13,658		18,303
Income (loss) before income taxes	(40,176)		6,741
Income tax expense (benefit)	(6,328)		2,465
Net income (loss)	$	(33,848)	$	4,275
Allocated goodwill	$	—	$	—

	Consolidated Total
	Three Months Ended Mar 31,
($ in thousands)	2023		2022
Net interest income	$	274,010	$	187,747
Net intersegment interest income	—		—
Segment net interest income	274,010		187,747
Noninterest income	62,073		74,467
Total revenue	336,083		262,214
Provision for credit losses	17,971		(3,990)
Noninterest expense	187,412		173,292
Income before income taxes	130,700		92,912
Income tax expense	27,340		18,650
Net income	$	103,360	$	74,262
Allocated goodwill	$	1,104,992	$	1,104,992

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Accumulated Other Comprehensive Income (Loss)

3 Months Ended

Mar. 31, 2023

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 March 31, 2023 and 2022, including changes during the preceding three month periods as well as any reclassifications out of accumulated other comprehensive income (loss):

($ in thousands)	AFS Investment Securities		Cash Flow Hedge Derivatives		Defined Benefit Pension and Postretirement Obligations		Accumulated Other Comprehensive Income (Loss)
Balance December 31, 2022	$	(233,192)	$	3,360	$	(42,968)	$	(272,799)
Other comprehensive income before reclassifications	36,478		—		—		36,478
Amounts reclassified from accumulated other comprehensive income (loss):
HTM investment securities, net, at amortized cost	2,267		—		—		2,267
Other assets / accrued expenses and other liabilities	—		13,763		—		13,763
Interest income	—		1,262		—		1,262
Personnel expense	—		—		(81)		(81)
Other expense	—		—		30		30
Income tax (expense) benefit	(9,892)		(4,694)		79		(14,507)
Net other comprehensive income during period	28,853		10,331		27		39,211
Balance March 31, 2023	$	(204,339)	$	13,691	$	(42,940)	$	(233,588)
Balance December 31, 2021	$	(5,266)	$	—	$	(5,051)	$	(10,317)
Other comprehensive (loss) before reclassifications	(103,284)		—		—		(103,284)
Unrealized (losses) on AFS securities transferred to HTM securities	(67,604)		—		—		(67,604)
Amounts reclassified from accumulated other comprehensive income (loss):
Investment securities (gains), net	(21)		—		—		(21)
HTM investment securities, net, at amortized cost	1,108		—		—		1,108
Personnel expense	—		—		(81)		(81)
Other expense	—		—		74		74
Income tax benefit	43,098		—		2		43,100
Net other comprehensive (loss) during period	(126,702)		—		(6)		(126,708)
Balance March 31, 2022	$	(131,968)	$	—	$	(5,057)	$	(137,024)

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Leases

3 Months Ended

Mar. 31, 2023

Leases [Abstract]

Leases

Leases

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

These leases have original terms of 1 year or longer with remaining maturities up to 40 years, some of which include options to extend the lease term. An analysis of the lease options has been completed and any purchase options or optional periods that the Corporation is reasonably likely to extend have been included in the capitalization.

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

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

	Three Months Ended Mar 31,
($ in thousands)	2023		2022
Operating lease costs	$	1,464	$	1,798
Finance lease costs	23		41
Operating lease cash flows	1,828		2,407
Finance lease cash flows	22		44

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

($ in thousands)	Consolidated Balance Sheets Category	Mar 31, 2023		Dec 31, 2022
Operating lease right-of-use asset	Premises and equipment	$	24,377	$	25,617
Finance lease right-of-use asset	Other assets	433		455
Operating lease liability	Accrued expenses and other liabilities	26,938		28,357
Finance lease liability	Other long-term funding	448		469

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

	Mar 31, 2023					Dec 31, 2022
($ in thousands)	Lease payments		Weighted-average lease term (in years)	Weighted-average discount rate		Lease payments		Weighted-average lease term (in years)	Weighted-average discount rate
Operating leases
Retail and corporate offices	$	24,738	5.76	2.63	%	$	26,140	5.92	2.62	%
Land	4,569		7.44	3.15	%	4,766		7.59	3.14	%
Equipment	—		0.00	—	%	—		0.00	—	%
Total operating leases	$	29,307	6.01	2.71	%	$	30,906	6.17	2.70	%
Finance leases
Retail and corporate offices	$	463	5.00	1.32	%	$	485	5.25	1.32	%
Total finance leases	$	463	5.00	1.32	%	$	485	5.25	1.32	%

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

($ in thousands)	Operating Leases		Finance Leases		Total Leases
Nine months ended December 31, 2023	$	4,540	$	69	$	4,609
2024	5,735		93		5,827
2025	4,512		93		4,605
2026	4,246		93		4,339
2027	3,807		93		3,899
Beyond 2027	6,468		23		6,491
Total lease payments	$	29,307	$	463	$	29,770
Less: interest	2,369		15		2,384
Present value of lease payments	$	26,938	$	448	$	27,386

As of March 31, 2023 and December 31, 2022, additional operating leases, primarily retail and corporate offices, that had not yet commenced totaled $12 million and $13 million, respectively. The leases that had not yet commenced as of March 31, 2023 will commence between April 2023 and January 2024 with lease terms of 1 year to 6 years.

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Summary of Significant Accounting Policies (Policies)

3 Months Ended

Mar. 31, 2023

Accounting Standards Update and Change in Accounting Principle [Abstract]

New Accounting Pronouncements Adopted

New Accounting Pronouncements Adopted

Standard	Description	Date of adoption	Effect on financial statements
ASU 2022-02 Financial Instruments-Credit Losses (Topic 326): Troubled Debt Restructurings and Vintage Disclosures	The FASB issued these amendments to eliminate accounting guidance for TDRs by creditors in Subtopic 310-40, Receivables-Troubled Debt Restructurings by Creditors, while enhancing disclosure requirements for certain loan refinancings and restructurings by creditors when a borrower is experiencing financial difficulty, and to require that an entity disclose current-period gross writeoffs by year of origination for financing receivables and net investments in leases within the scope of Subtopic 326-20, Financial Instruments-Credit Losses-Measured at Amortized Cost. The amendments in this Update are effective for fiscal years beginning after December 15, 2022, including interim periods within those fiscal years, and should be applied prospectively, except as provided in the next sentence. For the transition method related to the recognition and measurement of TDRs, an entity has the option to apply a modified retrospective transition method, resulting in a cumulative-effect adjustment to retained earnings in the period of adoption. Early adoption is permitted if an entity has adopted the amendments in Update 2016-03, including adoption in an interim period.	1st Quarter 2023	Adoption of this amendment did not have a material impact on the Corporation's results of operation, financial position or liquidity, but resulted in additional disclosure requirements related to gross charge offs by vintage year and the removal of TDR disclosures, replaced by additional disclosures on the types of modifications of loans to borrowers experiencing financial difficulties. The Corporation has adopted this update prospectively.

Future Accounting Pronouncements

Future Accounting Pronouncements

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

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

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Earnings Per Common Share (Tables)

3 Months Ended

Mar. 31, 2023

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 Mar 31,
($ in thousands, except per share data)	2023		2022
Net income	$	103,360	$	74,262
Preferred stock dividends	(2,875)		(2,875)
Net income available to common equity	$	100,485	$	71,387
Common shareholder dividends	(31,808)		(30,372)
Unvested share-based payment awards	(205)		(211)
Undistributed earnings	$	68,472	$	40,804
Undistributed earnings allocated to common shareholders	$	68,086	$	40,548
Undistributed earnings allocated to unvested share-based payment awards	386		256
Undistributed earnings	$	68,472	$	40,804
Basic
Distributed earnings to common shareholders	$	31,808	$	30,372
Undistributed earnings allocated to common shareholders	68,086		40,548
Total common shareholders earnings, basic	$	99,894	$	70,920
Diluted
Distributed earnings to common shareholders	$	31,808	$	30,372
Undistributed earnings allocated to common shareholders	68,086		40,548
Total common shareholders earnings, diluted	$	99,894	$	70,920
Weighted average common shares outstanding	149,763		148,781
Effect of dilutive common stock awards	1,365		1,711
Diluted weighted average common shares outstanding	151,128		150,492
Basic earnings per common share	$	0.67	$	0.48
Diluted earnings per common share	$	0.66	$	0.47

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Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2023

Retirement Benefits [Abstract]

Summary of company's stock option activities

A summary of the Corporation’s stock option activity for the three months ended March 31, 2023 is presented below:

Stock Options	Shares(a)	Weighted Average Exercise Price		Weighted Average Remaining Contractual Term	Aggregate Intrinsic Value(a)
Outstanding at December 31, 2022	3,994	$	21.06	5.11 years	$	10,525
Exercised	34	17.07
Forfeited or expired	—	—
Outstanding at March 31, 2023	3,960	$	21.10	4.87 years	$	1,039
Options Exercisable at March 31, 2023	3,746	$	21.27	4.75 years	$	887

(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 three months ended March 31, 2023:

Restricted Stock	Shares(a)	Weighted Average Grant Date Fair Value
Outstanding at December 31, 2022	2,303	$	20.81
Granted	813	22.67
Vested	630	20.99
Forfeited	2	21.92
Outstanding at March 31, 2023	2,484	$	21.38

(a) In thousands

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Investment Securities (Tables)

3 Months Ended

Mar. 31, 2023

Investments, Debt and Equity Securities [Abstract]

Investment securities available for sale

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

($ in thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized (Losses)		Fair Value
AFS investment securities
U. S. Treasury securities	$	124,478	$	—	$	(12,735)	$	111,743
Agency securities	15,000		—		(1,271)		13,730
Obligations of state and political subdivisions (municipal securities)	230,673		291		(2,063)		228,902
Residential mortgage-related securities:
FNMA/FHLMC	1,768,846		260		(194,529)		1,574,578
GNMA	1,092,742		7,273		(4,427)		1,095,588
Commercial mortgage-related securities:
FNMA/FHLMC	18,952		—		(1,335)		17,618
GNMA	194,550		17		(5,101)		189,466
Asset backed securities:
FFELP	147,876		—		(4,791)		143,084
SBA	4,020		13		(50)		3,983
Other debt securities	3,000		—		(82)		2,918
Total AFS investment securities	$	3,600,137	$	7,854	$	(226,383)	$	3,381,607
HTM investment securities
U. S. Treasury securities	$	999	$	—	$	(51)	$	947
Obligations of state and political subdivisions (municipal securities)	1,720,177		4,888		(146,544)		1,578,521
Residential mortgage-related securities:
FNMA/FHLMC	981,065		30,284		(163,514)		847,835
GNMA	53,298		195		(2,897)		50,596
Private-label	361,170		11,242		(71,147)		301,265
Commercial mortgage-related securities:
FNMA/FHLMC	785,516		14,657		(156,369)		643,803
GNMA	64,859		502		(6,826)		58,536
Total HTM investment securities	$	3,967,083	$	61,768	$	(547,349)	$	3,481,502

The amortized cost and fair values of AFS and HTM securities at December 31, 2022 were as follows:

($ in thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized (Losses)		Fair Value
AFS investment securities
U. S. Treasury securities	$	124,441	$	—	$	(15,063)	$	109,378
Agency securities	15,000		—		(1,468)		13,532
Obligations of state and political subdivisions (municipal securities)	235,693		96		(5,074)		230,714
Residential mortgage-related securities:
FNMA/FHLMC	1,820,642		404		(216,436)		1,604,610
GNMA	502,537		314		(5,255)		497,596
Commercial mortgage-related securities:
FNMA/FHLMC	19,038		—		(1,896)		17,142
GNMA	115,031		—		(4,569)		110,462
Asset backed securities:
FFELP	157,138		—		(5,947)		151,191
SBA	4,512		15		(51)		4,477
Other debt securities	3,000		—		(78)		2,922
Total AFS investment securities	$	2,997,032	$	830	$	(255,837)	$	2,742,025
HTM investment securities
U. S. Treasury securities	$	999	$	—	$	(62)	$	936
Obligations of state and political subdivisions (municipal securities)	1,732,351		1,994		(182,697)		1,551,647
Residential mortgage-related securities:
FNMA/FHLMC	961,231		31,301		(175,760)		816,771
GNMA	52,979		85		(3,436)		49,628
Private-label	364,728		11,697		(72,920)		303,505
Commercial mortgage-related securities:
FNMA/FHLMC	778,796		15,324		(178,281)		615,839
GNMA	69,369		577		(7,254)		62,691
Total HTM investment securities	$	3,960,451	$	60,978	$	(620,411)	$	3,401,018

Investment securities held to maturity

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

($ in thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized (Losses)		Fair Value
AFS investment securities
U. S. Treasury securities	$	124,478	$	—	$	(12,735)	$	111,743
Agency securities	15,000		—		(1,271)		13,730
Obligations of state and political subdivisions (municipal securities)	230,673		291		(2,063)		228,902
Residential mortgage-related securities:
FNMA/FHLMC	1,768,846		260		(194,529)		1,574,578
GNMA	1,092,742		7,273		(4,427)		1,095,588
Commercial mortgage-related securities:
FNMA/FHLMC	18,952		—		(1,335)		17,618
GNMA	194,550		17		(5,101)		189,466
Asset backed securities:
FFELP	147,876		—		(4,791)		143,084
SBA	4,020		13		(50)		3,983
Other debt securities	3,000		—		(82)		2,918
Total AFS investment securities	$	3,600,137	$	7,854	$	(226,383)	$	3,381,607
HTM investment securities
U. S. Treasury securities	$	999	$	—	$	(51)	$	947
Obligations of state and political subdivisions (municipal securities)	1,720,177		4,888		(146,544)		1,578,521
Residential mortgage-related securities:
FNMA/FHLMC	981,065		30,284		(163,514)		847,835
GNMA	53,298		195		(2,897)		50,596
Private-label	361,170		11,242		(71,147)		301,265
Commercial mortgage-related securities:
FNMA/FHLMC	785,516		14,657		(156,369)		643,803
GNMA	64,859		502		(6,826)		58,536
Total HTM investment securities	$	3,967,083	$	61,768	$	(547,349)	$	3,481,502

The amortized cost and fair values of AFS and HTM securities at December 31, 2022 were as follows:

($ in thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized (Losses)		Fair Value
AFS investment securities
U. S. Treasury securities	$	124,441	$	—	$	(15,063)	$	109,378
Agency securities	15,000		—		(1,468)		13,532
Obligations of state and political subdivisions (municipal securities)	235,693		96		(5,074)		230,714
Residential mortgage-related securities:
FNMA/FHLMC	1,820,642		404		(216,436)		1,604,610
GNMA	502,537		314		(5,255)		497,596
Commercial mortgage-related securities:
FNMA/FHLMC	19,038		—		(1,896)		17,142
GNMA	115,031		—		(4,569)		110,462
Asset backed securities:
FFELP	157,138		—		(5,947)		151,191
SBA	4,512		15		(51)		4,477
Other debt securities	3,000		—		(78)		2,922
Total AFS investment securities	$	2,997,032	$	830	$	(255,837)	$	2,742,025
HTM investment securities
U. S. Treasury securities	$	999	$	—	$	(62)	$	936
Obligations of state and political subdivisions (municipal securities)	1,732,351		1,994		(182,697)		1,551,647
Residential mortgage-related securities:
FNMA/FHLMC	961,231		31,301		(175,760)		816,771
GNMA	52,979		85		(3,436)		49,628
Private-label	364,728		11,697		(72,920)		303,505
Commercial mortgage-related securities:
FNMA/FHLMC	778,796		15,324		(178,281)		615,839
GNMA	69,369		577		(7,254)		62,691
Total HTM investment securities	$	3,960,451	$	60,978	$	(620,411)	$	3,401,018

Amortized cost and fair values of investment securities by contractual maturity

The expected maturities of AFS and HTM securities at March 31, 2023, are shown below:

	AFS					HTM
($ in thousands)	Amortized Cost		Fair Value			Amortized Cost		Fair Value
Due in one year or less	$	6,773	$	6,768		$	14,358	$	14,350
Due after one year through five years	179,763		165,292			36,046		35,926
Due after five years through ten years	150,181		149,003			161,217		159,591
Due after ten years	36,434		36,229			1,509,554		1,369,602
Total debt securities	373,151		357,292			1,721,175		1,579,468
Residential mortgage-related securities:
FNMA/FHLMC	1,768,846		1,574,578			981,065		847,835
GNMA	1,092,742		1,095,588			53,298		50,596
Private-label	—		—			361,170		301,265
Commercial mortgage-related securities:
FNMA/FHLMC	18,952		17,618			785,516		643,803
GNMA	194,550		189,466			64,859		58,536
Asset backed securities:
FFELP	147,876		143,084			—		—
SBA	4,020		3,983			—		—
Total investment securities	$	3,600,137	$	3,381,607		$	3,967,083	$	3,481,502
Ratio of fair value to amortized cost			93.9		%			87.8		%

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

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

($ in thousands)	AAA		AA		A		Not Rated		Total
U. S. Treasury securities	$	999	$	—	$	—	$	—	$	999
Obligations of state and political subdivisions (municipal securities)	807,729		903,689		7,602		1,157		1,720,177
Residential mortgage-related securities:
FNMA/FHLMC	981,065		—		—		—		981,065
GNMA	53,298		—		—		—		53,298
Private-label	361,170		—		—		—		361,170
Commercial mortgage-related securities:
FNMA/FHLMC	785,516		—		—		—		785,516
GNMA	64,859		—		—		—		64,859
Total HTM securities	$	3,054,635	$	903,689	$	7,602	$	1,157	$	3,967,083

The following table summarizes the credit quality indicators of HTM securities at amortized cost at December 31, 2022:

($ in thousands)	AAA		AA		A		Not Rated		Total
U. S. Treasury securities	$	999	$	—	$	—	$	—	$	999
Obligations of state and political subdivisions (municipal securities)	806,529		917,059		7,604		1,158		1,732,351
Residential mortgage-related securities:
FNMA/FHLMC	961,231		—		—		—		961,231
GNMA	52,979		—		—		—		52,979
Private-label	364,728		—		—		—		364,728
Commercial mortgage-related securities:
FNMA/FHLMC	778,796		—		—		—		778,796
GNMA	69,369		—		—		—		69,369
Total HTM securities	$	3,034,630	$	917,059	$	7,604	$	1,158	$	3,960,451

Realized gains and losses and proceeds from sale

The following table summarizes gross realized gains and losses on AFS securities, net write-up of equity securities, and proceeds from the sale of investment securities for the three months ended March 31, 2023 and 2022:

	Three Months Ended Mar 31,
($ in thousands)	2023		2022
Gross gains on AFS securities	$	—	$	21
Net write-up of equity securities	51		—
Investment securities gains (losses), net	$	51	$	21
Proceeds from sales of AFS investment securities	$	—	$	734

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

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

	Less than 12 months					12 months or more					Total
($ in thousands)	Number of Securities	Unrealized (Losses)		Fair Value		Number of Securities	Unrealized (Losses)		Fair Value		Unrealized (Losses)		Fair Value
AFS investment securities
U.S. Treasury securities	—	$	—	$	—	7	$	(12,735)	$	111,743	$	(12,735)	$	111,743
Agency securities	—	—		—		1	(1,271)		13,730		(1,271)		13,730
Obligations of state and political subdivisions (municipal securities)	189	(1,025)		111,529		72	(1,037)		40,199		(2,063)		151,727
Residential mortgage-related securities:
FNMA/FHLMC	12	(3,619)		51,021		96	(190,909)		1,504,384		(194,529)		1,555,405
GNMA	23	(2,583)		294,212		9	(1,844)		33,128		(4,427)		327,340
Commercial mortgage-related securities:
FNMA/FHLMC	—	—		—		1	(1,335)		17,618		(1,335)		17,618
GNMA	13	(1,039)		100,585		29	(4,062)		74,665		(5,101)		175,250
Asset backed securities:
FFELP	—	—		—		15	(4,791)		143,084		(4,791)		143,084
SBA	2	(1)		331		6	(49)		1,755		(50)		2,087
Other debt securities	1	(31)		969		2	(51)		1,949		(82)		2,918
Total	240	$	(8,299)	$	558,647	238	$	(218,084)	$	1,942,255	$	(226,383)	$	2,500,901
HTM investment securities
U.S. Treasury securities	—	$	—	$	—	1	$	(51)	$	947	$	(51)	$	947
Obligations of state and political subdivisions (municipal securities)	311	(7,598)		454,461		400	(138,946)		614,842		(146,544)		1,069,304
Residential mortgage-related securities:
FNMA/FHLMC	63	(2,881)		75,386		50	(160,633)		762,280		(163,514)		837,666
GNMA	16	(168)		6,511		63	(2,729)		32,771		(2,897)		39,282
Private-label	—	—		—		18	(71,147)		301,265		(71,147)		301,265
Commercial mortgage-related securities:
FNMA/FHLMC	4	(473)		29,658		41	(155,897)		614,153		(156,369)		643,811
GNMA	—	—		—		14	(6,826)		58,536		(6,826)		58,536
Total	394	$	(11,120)	$	566,017	587	$	(536,229)	$	2,384,794	$	(547,349)	$	2,950,811

For comparative purposes, the following represents gross unrealized losses and the related fair value of AFS and HTM securities, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position, at December 31, 2022:

	Less than 12 months					12 months or more					Total
($ in thousands)	Number of Securities	Unrealized (Losses)		Fair Value		Number of Securities	Unrealized (Losses)		Fair Value		Unrealized (Losses)		Fair Value
AFS investment securities
U.S. Treasury securities	—	$	—	$	—	7	$	(15,063)	$	109,378	$	(15,063)	$	109,378
Agency securities	—	—		—		1	(1,468)		13,532		(1,468)		13,532
Obligations of state and political subdivisions (municipal securities)	358	(5,066)		201,260		4	(8)		1,916		(5,074)		203,176
Residential mortgage-related securities:
FNMA/FHLMC	24	(31,266)		260,986		84	(185,170)		1,321,420		(216,436)		1,582,406
GNMA	23	(4,415)		220,276		2	(840)		11,096		(5,255)		231,372
Commercial mortgage-related securities:
FNMA/FHLMC	1	(1,896)		17,142		—	—		—		(1,896)		17,142
GNMA	33	(3,920)		101,036		4	(649)		9,426		(4,569)		110,462
Asset backed securities:
FFELP	3	(1,668)		44,304		12	(4,278)		106,887		(5,947)		151,191
SBA	2	(1)		417		6	(50)		2,057		(51)		2,474
Other debt securities	2	(30)		1,970		1	(49)		951		(78)		2,922
Total	446	$	(48,263)	$	847,391	121	$	(207,575)	$	1,576,665	$	(255,837)	$	2,424,055
HTM investment securities
U.S. Treasury securities	1	$	(62)	$	936	—	$	—	$	—	$	(62)	$	936
Obligations of state and political subdivisions (municipal securities)	771	(96,282)		1,079,216		156	(86,415)		231,022		(182,697)		1,310,238
Residential mortgage-related securities:
FNMA/FHLMC	79	(18,925)		143,201		22	(156,836)		671,570		(175,760)		814,770
GNMA	81	(3,436)		44,476		—	—		—		(3,436)		44,476
Private-label	3	(9,509)		58,733		15	(63,411)		244,772		(72,920)		303,505
Commercial mortgage-related securities:
FNMA/FHLMC	4	(3,814)		20,338		39	(174,467)		576,911		(178,281)		597,249
GNMA	8	(2,528)		34,612		6	(4,726)		28,080		(7,254)		62,691
Total	947	$	(134,556)	$	1,381,511	238	$	(485,855)	$	1,752,354	$	(620,411)	$	3,133,865

XML

Loans Loans (Tables)

3 Months Ended

12 Months Ended

Mar. 31, 2023

Mar. 31, 2022

Dec. 31, 2022

Receivables [Abstract]

Loan composition

The period end loan composition was as follows:

($ in thousands)	Mar 31, 2023		Dec 31, 2022
Asset-based lending & equipment finance	$	522,834	$	458,887
Commercial and industrial	9,346,947		9,300,567
Commercial real estate — owner occupied	1,050,236		991,722
Commercial and business lending	10,920,017		10,751,176
Commercial real estate — investor	5,094,249		5,080,344
Real estate construction	2,147,070		2,155,222
Commercial real estate lending	7,241,318		7,235,565
Total commercial	18,161,335		17,986,742
Residential mortgage	8,605,164		8,511,550
Auto finance	1,551,538		1,382,073
Home equity	609,787		624,353
Other consumer	279,248		294,851
Total consumer	11,045,737		10,812,828
Total loans	$	29,207,072	$	28,799,569

Loans, Credit Quality Indicator by Vintage Year

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

					Term Loans Amortized Cost Basis by Origination Year(a)
($ in thousands)	Rev Loans Converted to Term(a)		Rev Loans Amortized Cost Basis		YTD 2023		2022		2021		2020		2019		Prior		Total
Asset-based lending & equipment finance:
Risk rating:
Pass	$	—	$	60,256	$	55,535	$	262,074	$	125,609	$	1,420	$	543	$	—	$	505,437
Potential Problem	—		—		—		1,396		—		16,000		—		—		17,396
Asset-based lending & equipment finance	$	—	$	60,256	$	55,535	$	263,471	$	125,609	$	17,420	$	543	$	—	$	522,834
Commercial and industrial:
Risk rating:
Pass	$	71	$	2,003,455	$	332,572	$	2,872,816	$	2,101,488	$	467,455	$	558,852	$	685,216	$	9,021,853
Special Mention	—		86,593		—		30,540		31,161		2,913		—		33,501		184,709
Potential Problem	128		39,951		6,145		34,388		27,494		4,675		132		4,865		117,650
Nonaccrual	9,500		—		—		4,707		9,500		8,528		—		—		22,735
Commercial and industrial	$	9,698	$	2,130,000	$	338,716	$	2,942,451	$	2,169,643	$	483,571	$	558,983	$	723,583	$	9,346,947
Commercial real estate - owner occupied:
Risk rating:
Pass	$	—	$	22,344	$	87,095	$	205,922	$	234,300	$	150,009	$	152,649	$	151,106	$	1,003,424
Special Mention	—		—		—		—		—		3,483		9,500		274		13,257
Potential Problem	—		—		2,812		877		11,651		4,064		518		12,156		32,077
Nonaccrual	8		—		8		1,470		—		—		—		—		1,478
Commercial real estate - owner occupied	$	8	$	22,344	$	89,914	$	208,269	$	245,950	$	157,555	$	162,667	$	163,536	$	1,050,236
Commercial and business lending:
Risk rating:
Pass	$	71	$	2,086,055	$	475,201	$	3,340,812	$	2,461,397	$	618,883	$	712,044	$	836,323	$	10,530,715
Special Mention	—		86,593		—		30,540		31,161		6,396		9,500		33,775		197,965
Potential Problem	128		39,951		8,956		36,661		39,145		24,739		649		17,021		167,124
Nonaccrual	9,508		—		8		6,177		9,500		8,528		—		—		24,213
Commercial and business lending	$	9,707	$	2,212,600	$	484,166	$	3,414,190	$	2,541,203	$	658,546	$	722,194	$	887,119	$	10,920,017
Commercial real estate - investor:
Risk rating:
Pass	$	—	$	118,873	$	324,298	$	1,506,258	$	1,375,935	$	612,765	$	489,024	$	411,246	$	4,838,398
Special Mention	—		—		18,454		92,149		22,247		8,225		—		—		141,075
Potential Problem	—		—		24,803		22,047		22,209		—		1,019		19,575		89,653
Nonaccrual	—		—		—		—		24,855		—		—		267		25,122
Commercial real estate - investor	$	—	$	118,873	$	367,555	$	1,620,454	$	1,445,246	$	620,991	$	490,042	$	431,088	$	5,094,249
Real estate construction:
Risk rating:
Pass	$	—	$	29,616	$	34,604	$	1,025,918	$	812,505	$	197,722	$	7,510	$	11,059	$	2,118,934
Special Mention	—		—		—		—		—		12,308		15,651		—		27,958
Nonaccrual	—		—		—		—		—		—		—		178		178
Real estate construction	$	—	$	29,616	$	34,604	$	1,025,918	$	812,505	$	210,030	$	23,160	$	11,237	$	2,147,070
Commercial real estate lending:
Risk rating:
Pass	$	—	$	148,489	$	358,901	$	2,532,176	$	2,188,440	$	810,487	$	496,533	$	422,305	$	6,957,332
Special Mention	—		—		18,454		92,149		22,247		20,533		15,651		—		169,033
Potential Problem	—		—		24,803		22,047		22,209		—		1,019		19,575		89,653
Nonaccrual	—		—		—		—		24,855		—		—		445		25,300
Commercial real estate lending	$	—	$	148,489	$	402,159	$	2,646,372	$	2,257,752	$	831,020	$	513,203	$	442,325	$	7,241,318
Total commercial:
Risk rating:
Pass	$	71	$	2,234,544	$	834,103	$	5,872,988	$	4,649,837	$	1,429,370	$	1,208,578	$	1,258,628	$	17,488,047
Special Mention	—		86,593		18,454		122,689		53,408		26,929		25,151		33,775		366,999
Potential Problem	128		39,951		33,760		58,708		61,354		24,739		1,668		36,596		256,776
Nonaccrual	9,508		—		8		6,177		34,355		8,528		—		445		49,513
Total commercial	$	9,707	$	2,361,089	$	886,324	$	6,060,562	$	4,798,955	$	1,489,566	$	1,235,396	$	1,329,444	$	18,161,335

					Term Loans Amortized Cost Basis by Origination Year(a)
($ in thousands)	Rev Loans Converted to Term(a)		Rev Loans Amortized Cost Basis		YTD 2023		2022		2021		2020		2019		Prior		Total
Residential mortgage:
Risk rating:
Pass	$	—	$	—	$	85,201	$	1,490,848	$	2,221,515	$	1,687,853	$	798,205	$	2,261,293	$	8,544,915
Special Mention	—		—		91		—		—		95		—		105		291
Potential Problem	—		—		45		216		548		—		551		323		1,684
Nonaccrual	—		—		279		7,384		4,101		8,394		4,356		33,760		58,274
Residential mortgage	$	—	$	—	$	85,616	$	1,498,448	$	2,226,164	$	1,696,342	$	803,113	$	2,295,481	$	8,605,164
Auto finance:
Risk rating:
Pass	$	—	$	—	$	239,138	$	1,208,658	$	98,290	$	299	$	1,020	$	388	$	1,547,793
Special Mention	—		—		—		1,168		141		—		—		—		1,310
Nonaccrual	—		—		—		1,952		474		—		9		—		2,436
Auto finance	$	—	$	—	$	239,138	$	1,211,778	$	98,906	$	299	$	1,029	$	388	$	1,551,538
Home equity:
Risk rating:
Pass	$	2,173	$	495,755	$	230	$	31,083	$	6,835	$	2,243	$	5,732	$	59,670	$	601,549
Special Mention	18		124		—		—		—		—		29		594		747
Potential Problem	14		—		14		196		—		—		34		—		244
Nonaccrual	388		20		—		303		106		131		252		6,434		7,246
Home equity	$	2,592	$	495,900	$	244	$	31,583	$	6,941	$	2,374	$	6,047	$	66,698	$	609,787
Other consumer:
Risk rating:
Pass	$	90	$	190,219	$	1,860	$	5,279	$	4,017	$	1,922	$	849	$	74,324	$	278,471
Special Mention	1		617		—		13		11		3		10		23		676
Nonaccrual	—		44		—		—		7		6		6		36		100
Other consumer	$	91	$	190,881	$	1,860	$	5,292	$	4,035	$	1,930	$	866	$	74,384	$	279,248
Total consumer:
Risk rating:
Pass	$	2,263	$	685,974	$	326,429	$	2,735,869	$	2,330,657	$	1,692,318	$	805,806	$	2,395,676	$	10,972,729
Special Mention	19		742		91		1,181		152		98		39		722		3,024
Potential Problem	14		—		59		413		548		—		585		323		1,928
Nonaccrual	388		65		279		9,639		4,688		8,530		4,624		40,231		68,056
Total consumer	$	2,683	$	686,781	$	326,858	$	2,747,101	$	2,336,046	$	1,700,946	$	811,054	$	2,436,951	$	11,045,737
Total loans:
Risk rating:
Pass	$	2,334	$	2,920,518	$	1,160,532	$	8,608,857	$	6,980,494	$	3,121,688	$	2,014,384	$	3,654,303	$	28,460,776
Special Mention	19		87,335		18,545		123,869		53,560		27,027		25,189		34,497		370,023
Potential Problem	141		39,951		33,818		59,120		61,903		24,739		2,253		36,919		258,704
Nonaccrual	9,896		65		287		15,816		39,044		17,058		4,624		40,675		117,569
Total loans	$	12,390	$	3,047,870	$	1,213,182	$	8,807,663	$	7,135,000	$	3,190,512	$	2,046,450	$	3,766,395	$	29,207,072

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

The following table presents loans by credit quality indicator by origination year at December 31, 2022:

					Term Loans Amortized Cost Basis by Origination Year(a)
($ in thousands)	Rev Loans Converted to Term(a)		Rev Loans Amortized Cost Basis		2022		2021		2020		2019		2018		Prior		Total
Asset-based lending & equipment finance:
Risk rating:
Pass	$	—	$	47,446	$	269,258	$	121,914	$	1,832	$	653	$	85	$	—	$	441,189
Potential Problem	—		—		1,448		—		16,250		—		—		—		17,698
Asset-based lending & equipment finance:	$	—	$	47,446	$	270,706	$	121,914	$	18,082	$	653	$	85	$	—	$	458,887
Commercial and industrial:
Risk rating:
Pass	$	1,423	$	1,891,331	$	2,976,288	$	2,245,094	$	566,001	$	572,467	$	330,557	$	432,906	$	9,014,644
Special Mention	—		93,209		3,411		23,607		—		—		19		32,497		152,744
Potential Problem	447		24,549		39,952		4,193		5,637		38,169		218		6,133		118,851
Nonaccrual	3,926		—		5,210		—		9,119		—		—		—		14,329
Commercial and industrial	$	5,796	$	2,009,089	$	3,024,861	$	2,272,895	$	580,757	$	610,636	$	330,794	$	471,535	$	9,300,567
Commercial real estate - owner occupied:
Risk rating:
Pass	$	—	$	12,447	$	211,645	$	225,627	$	163,965	$	160,370	$	73,487	$	97,420	$	944,961
Special Mention	—		—		—		—		1,136		1,491		9,713		—		12,339
Potential Problem	—		1,325		1,238		11,141		5,523		10,769		370		4,055		34,422
Commercial real estate - owner occupied	$	—	$	13,772	$	212,883	$	236,769	$	170,624	$	172,630	$	83,570	$	101,475	$	991,722
Commercial and business lending:
Risk rating:
Pass	$	1,423	$	1,951,224	$	3,457,191	$	2,592,636	$	731,798	$	733,490	$	404,129	$	530,326	$	10,400,794
Special Mention	—		93,209		3,411		23,607		1,136		1,491		9,732		32,497		165,083
Potential Problem	447		25,874		42,638		15,335		27,410		48,938		589		10,188		170,971
Nonaccrual	3,926		—		5,210		—		9,119		—		—		—		14,329
Commercial and business lending	$	5,796	$	2,070,307	$	3,508,450	$	2,631,578	$	769,463	$	783,919	$	414,449	$	573,010	$	10,751,176
Commercial real estate - investor:
Risk rating:
Pass	$	38,412	$	106,280	$	1,633,094	$	1,419,000	$	683,121	$	530,444	$	262,858	$	210,299	$	4,845,096
Special Mention	—		—		61,968		24,149		7,361		9,400		—		10,455		113,333
Potential Problem	—		—		16,147		21,303		27,635		1,333		19,017		7,099		92,535
Nonaccrual	—		—		2,177		25,668		—		—		—		1,535		29,380
Commercial real estate - investor	$	38,412	$	106,280	$	1,713,387	$	1,490,120	$	718,117	$	541,177	$	281,875	$	229,387	$	5,080,344
Real estate construction:
Risk rating:
Pass	$	—	$	29,892	$	900,593	$	913,107	$	241,230	$	12,062	$	2,226	$	9,775	$	2,108,885
Special Mention	—		—		—		—		12,174		33,087		—		—		45,261
Potential Problem	—		—		—		—		970		—		—		—		970
Nonaccrual	—		—		—		—		—		—		—		105		105
Real estate construction	$	—	$	29,892	$	900,593	$	913,107	$	254,374	$	45,149	$	2,226	$	9,880	$	2,155,222
Commercial real estate lending:
Risk rating:
Pass	$	38,412	$	136,173	$	2,533,687	$	2,332,107	$	924,351	$	542,505	$	265,083	$	220,073	$	6,953,981
Special Mention	—		—		61,968		24,149		19,535		42,487		—		10,455		158,595
Potential Problem	—		—		16,147		21,303		28,605		1,333		19,017		7,099		93,505
Nonaccrual	—		—		2,177		25,668		—		—		—		1,640		29,485
Commercial real estate lending	$	38,412	$	136,173	$	2,613,980	$	2,403,227	$	972,492	$	586,326	$	284,101	$	239,267	$	7,235,565

					Term Loans Amortized Cost Basis by Origination Year(a)
($ in thousands)	Rev Loans Converted to Term(a)		Rev Loans Amortized Cost Basis		2022		2021		2020		2019		2018		Prior		Total
Total commercial:
Risk rating:
Pass	$	39,835	$	2,087,396	$	5,990,879	$	4,924,743	$	1,656,149	$	1,275,996	$	669,213	$	750,399	$	17,354,774
Special Mention	—		93,209		65,379		47,756		20,671		43,978		9,732		42,952		323,677
Potential Problem	447		25,874		58,785		36,638		56,016		50,271		19,606		17,287		264,476
Nonaccrual	3,926		—		7,387		25,668		9,119		—		—		1,640		43,814
Total commercial	$	44,208	$	2,206,480	$	6,122,430	$	5,034,805	$	1,741,955	$	1,370,245	$	698,550	$	812,278	$	17,986,742
Residential mortgage:
Risk rating:
Pass	$	—	$	—	$	1,410,566	$	2,184,125	$	1,716,663	$	817,164	$	370,724	$	1,951,406	$	8,450,648
Special Mention	—		—		—		284		96		—		—		63		444
Potential Problem	—		—		455		71		—		738		29		685		1,978
Nonaccrual	—		—		8,506		3,851		6,219		3,744		5,014		31,145		58,480
Residential mortgage	$	—	$	—	$	1,419,527	$	2,188,332	$	1,722,979	$	821,645	$	375,768	$	1,983,299	$	8,511,550
Auto finance:
Risk rating:
Pass	$	—	$	—	$	1,271,205	$	106,102	$	333	$	1,267	$	446	$	61	$	1,379,414
Special Mention	—		—		1,052		118		—		—		—		—		1,170
Nonaccrual	—		—		1,149		331		—		9		—		—		1,490
Auto finance	$	—	$	—	$	1,273,406	$	106,551	$	333	$	1,276	$	446	$	61	$	1,382,073
Home equity:
Risk rating:
Pass	$	7,254	$	508,212	$	31,389	$	6,508	$	2,112	$	6,197	$	6,966	$	54,827	$	616,211
Special Mention	47		102		—		—		—		—		47		310		458
Potential Problem	—		15		—		—		—		34		2		146		197
Nonaccrual	1,590		—		306		102		131		307		319		6,322		7,487
Home equity	$	8,891	$	508,329	$	31,695	$	6,610	$	2,243	$	6,538	$	7,333	$	61,605	$	624,353
Other consumer:
Risk rating:
Pass	$	64	$	199,942	$	7,429	$	5,256	$	2,468	$	1,238	$	174	$	77,611	$	294,117
Special Mention	6		490		11		—		5		5		—		25		537
Nonaccrual	78		56		11		21		10		56		10		34		197
Other consumer	$	147	$	200,488	$	7,452	$	5,276	$	2,482	$	1,300	$	184	$	77,670	$	294,851
Total consumer:
Risk rating:
Pass	$	7,318	$	708,154	$	2,720,589	$	2,301,991	$	1,721,576	$	825,866	$	378,310	$	2,083,904	$	10,740,390
Special Mention	52		592		1,063		403		101		5		47		398		2,609
Potential Problem	—		15		455		71		—		772		31		831		2,175
Nonaccrual	1,668		56		9,973		4,304		6,360		4,116		5,343		37,501		67,654
Total consumer	$	9,038	$	708,817	$	2,732,080	$	2,306,769	$	1,728,037	$	830,759	$	383,731	$	2,122,635	$	10,812,828
Total loans:
Risk rating:
Pass	$	47,152	$	2,795,551	$	8,711,468	$	7,226,734	$	3,377,725	$	2,101,861	$	1,047,522	$	2,834,303	$	28,095,164
Special Mention	52		93,801		66,443		48,159		20,772		43,983		9,778		43,350		326,286
Potential Problem	447		25,889		59,240		36,709		56,016		51,043		19,637		18,118		266,651
Nonaccrual	5,595		56		17,360		29,972		15,479		4,116		5,343		39,141		111,467
Total loans	$	53,246	$	2,915,297	$	8,854,510	$	7,341,574	$	3,469,992	$	2,201,004	$	1,082,280	$	2,934,912	$	28,799,569

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

The following table presents gross charge offs by origination year at March 31, 2023:

			Gross Charge Offs by Origination Year
($ in thousands)	Rev Loans Amortized Cost Basis		YTD 2023		2022		2021		2020		2019		Prior		Total
Commercial and industrial	$	823	$	—	$	—	$	—	$	—	$	—	$	2,152	$	2,975
Commercial and business lending	823		—		—		—		—		—		2,152		2,975
Total commercial	823		—		—		—		—		—		2,152		2,975
Residential mortgage	—		—		107		19		8		2		32		168
Auto finance	—		—		922		181		—		—		—		1,103
Home equity	—		—		43		14		—		22		33		111
Other consumer	916		—		117		49		9		5		48		1,144
Total consumer	916		—		1,189		263		17		29		112		2,525
Total gross charge offs	$	1,739	$	—	$	1,189	$	263	$	17	$	29	$	2,264	$	5,501

Loans, Past Due Status

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

	Accruing
($ in thousands)	Current		30-59 Days Past Due		60-89 Days Past Due		90+ Days Past Due		Nonaccrual(a)(b)		Total
Asset-based lending & equipment finance	$	522,834	$	—	$	—	$	—	$	—	$	522,834
Commercial and industrial	9,319,650		4,110		130		323		22,735		9,346,947
Commercial real estate - owner occupied	1,045,803		2,955		—		—		1,478		1,050,236
Commercial and business lending	10,888,287		7,065		130		323		24,213		10,920,017
Commercial real estate - investor	5,069,126		—		—		—		25,122		5,094,249
Real estate construction	2,146,892		—		—		—		178		2,147,070
Commercial real estate lending	7,216,018		—		—		—		25,300		7,241,318
Total commercial	18,104,305		7,065		130		323		49,513		18,161,335
Residential mortgage	8,539,264		7,430		196		—		58,274		8,605,164
Auto finance	1,540,463		7,330		1,310		—		2,436		1,551,538
Home equity	598,427		3,366		747		—		7,246		609,787
Other consumer	276,045		976		747		1,380		100		279,248
Total consumer	10,954,199		19,102		3,000		1,380		68,056		11,045,737
Total loans	$	29,058,504	$	26,167	$	3,130	$	1,703	$	117,569	$	29,207,072

(a) Of the total nonaccrual loans, $78 million, or 66%, were current with respect to payment at March 31, 2023.

(b) No interest income was recognized on nonaccrual loans for the three months ended March 31, 2023. In addition, there were $15 million of nonaccrual loans for which there was no related ACLL at March 31, 2023.

The following table presents loans by past due status at December 31, 2022:

	Accruing
($ in thousands)	Current		30-59 Days Past Due		60-89 Days Past Due		90+ Days  Past Due		Nonaccrual(a)(b)		Total
Asset-based lending & equipment finance	$	458,887	$	—	$	—	$	—	$	—	$	458,887
Commercial and industrial	9,279,674		716		5,566		282		14,329		9,300,567
Commercial real estate - owner occupied	991,493		218		12		—		—		991,722
Commercial and business lending	10,730,053		934		5,578		282		14,329		10,751,176
Commercial real estate - investor	5,049,897		1,067		—		—		29,380		5,080,344
Real estate construction	2,155,077		39		—		—		105		2,155,222
Commercial real estate lending	7,204,975		1,105		—		—		29,485		7,235,565
Total commercial	17,935,028		2,040		5,578		282		43,814		17,986,742
Residential mortgage	8,443,072		9,811		63		124		58,480		8,511,550
Auto finance	1,371,176		8,238		1,170		—		1,490		1,382,073
Home equity	611,259		5,149		458		—		7,487		624,353
Other consumer	291,722		1,018		592		1,322		197		294,851
Total consumer	10,717,229		24,216		2,283		1,446		67,654		10,812,828
Total loans	$	28,652,257	$	26,256	$	7,861	$	1,728	$	111,467	$	28,799,569

(a) Of the total nonaccrual loans, $64 million, or 58%, were current with respect to payment at December 31, 2022.

(b) No interest income was recognized on nonaccrual loans for the year ended December 31, 2022. In addition, there were $11 million of nonaccrual loans for which there was no related ACLL at December 31, 2022.

Loans, Modifications

The following tables show the composition of loan modifications made to borrowers experiencing financial difficulty by the loan portfolio and type of concessions granted during the three months ended March 31, 2023. Each of the types of concessions granted comprised less than 1% of their respective classes of loan portfolios at March 31, 2023.

	Interest Rate Concession
($ in thousands)	Amortized Cost
Commercial and industrial	$	47
Auto	61
Home equity	31
Other consumer	498
Total loans modified	$	637

	Term Extension
($ in thousands)	Amortized Cost
Residential mortgage	$	209
Total loans modified	$	209

	Combination - Interest Rate Concession and Term Extension
($ in thousands)	Amortized Cost
Residential mortgage	$	165
Home equity	93
Total loans modified	$	258

The following tables summarize, by loan portfolio, the financial effect of the Corporation's loan modifications on the modified loans as of March 31, 2023:

Interest Rate Concession
Loan Type	Financial Effect, Weighted Average Contractual Interest Rate (Decrease) Increase(a)
Commercial and industrial	(16)	%
Auto	(2)	%
Home equity	1	%
Other consumer	(20)	%
Total loans modified(b)	(17)	%

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

(b) During the three months ended March 31, 2023, interest rate concessions changed the weighted average interest rate on modified loans from 22% to 5%, which primarily consisted of credit cards.

Term Extension
Loan Type	Financial Effect, Weighted Average Term Increase(a)
Residential mortgage	26 months
Total loans modified	26 months

(a) During the three months ended March 31, 2023, term extensions changed the weighted average term on modified loans from 334 months to 360 months.

Loans, Modifications in Last 12 Months, Performance

The following table depicts the performance of loans that have been modified in the last three months at March 31, 2023:

	Payment Status (Amortized Cost Basis)
($ in thousands)	Current		30-89 Days Past Due		90+ Days Past Due		Nonaccrual
Commercial and industrial	$	47	$	—	$	—	$	—
Residential mortgage	126		—		—		248
Auto	61		—		—		—
Home equity	31		—		—		93
Other consumer	498		—		—		—
Total loans modified	$	763	$	—	$	—	$	341

Loans, Modified, Subsequent Default

The following table provides the amortized cost of loan modifications by loan portfolio and type of concession that were modified in the previous three months and subsequently had a payment default, as of March 31, 2023:

	Amortized Cost of Loan Modifications that Subsequently Defaulted
($ in thousands)	Interest Rate Concession		Term Extension		Combination Interest Rate Reduction and Term Extension
Home equity	$	—	$	—	$	60

Loans, Troubled Debt Restructurings, Performance and Nonaccrual

The following table presents nonaccrual and performing restructured loans by loan portfolio at December 31, 2022:

($ in thousands)	Performing Restructured Loans		Nonaccrual Restructured Loans(a)
Commercial and industrial	$	12,453	$	—
Commercial real estate — owner occupied	316		—
Commercial real estate — investor	128		2,074
Real estate construction	195		9
Residential mortgage	16,829		17,117
Home equity	2,148		927
Other consumer	798		—
Total restructured loans	$	32,868	$	20,127

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

Loans, Troubled Debt Restructuring, Summary

The following table provides the number of loans modified in a TDR by loan portfolio, the recorded investment, and unpaid principal balance for the three months ended March 31, 2022:

($ in thousands)	Number of Loans	Recorded Investment(a)		Unpaid Principal Balance(b)
Residential mortgage	24	$	6,421	$	6,502
Home equity	3	80		101
Total loans modified	27	$	6,500	$	6,603

(a) Represents post-modification outstanding recorded investment.
(b) Represents pre-modification outstanding recorded investment.

Loans, Troubled Debt Restructurings, Subsequent Default

The following table provides the number of loans modified during the previous twelve months which subsequently defaulted during the three months ended March 31, 2022, and the recorded investment in these restructured loans at the time of default as of March 31, 2022:

	Three Months Ended March 31, 2022
($ in thousands)	Number of Loans	Recorded Investment
Residential mortgage	1	$	884

Loans, Changes in AFLL by Portfolio Segment

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

($ in thousands)	Dec 31, 2022		Charge offs		Recoveries		Net Charge offs		Provision for credit losses		Mar 31, 2023		ACLL / Loans
Allowance for loan losses
Asset-based lending & equipment finance	$	6,564	$	—	$	—	$	—	$	2	$	6,566
Commercial and industrial	112,512		(2,975)		1,216		(1,759)		6,930		117,683
Commercial real estate — owner occupied	9,475		—		3		3		785		10,263
Commercial and business lending	128,551		(2,975)		1,219		(1,756)		7,717		134,512
Commercial real estate — investor	54,398		—		—		—		412		54,809
Real estate construction	45,589		—		18		18		3,946		49,552
Commercial real estate lending	99,986		—		18		18		4,357		104,362
Total commercial	228,538		(2,975)		1,237		(1,738)		12,075		238,874
Residential mortgage	38,298		(168)		114		(53)		851		39,096
Auto finance	19,619		(1,103)		147		(957)		3,531		22,193
Home equity	14,875		(111)		451		340		(442)		14,774
Other consumer	11,390		(1,144)		263		(881)		986		11,495
Total consumer	84,182		(2,525)		975		(1,550)		4,925		87,557
Total loans	$	312,720	$	(5,501)	$	2,212	$	(3,289)	$	17,000	$	326,432
Allowance for unfunded commitments
Asset-based lending & equipment finance	$	601	$	—	$	—	$	—	$	(103)	$	498
Commercial and industrial	12,396		—		—		—		(123)		12,273
Commercial real estate — owner occupied	103		—		—		—		146		249
Commercial and business lending	13,101		—		—		—		(80)		13,020
Commercial real estate — investor	710		—		—		—		159		868
Real estate construction	20,583		—		—		—		963		21,546
Commercial real estate lending	21,292		—		—		—		1,122		22,414
Total commercial	34,393		—		—		—		1,041		35,435
Home equity	2,699		—		—		—		(8)		2,691
Other consumer	1,683		—		—		—		(34)		1,650
Total consumer	4,382		—		—		—		(41)		4,341
Total loans	$	38,776	$	—	$	—	$	—	$	1,000	$	39,776
Allowance for credit losses on loans
Asset-based lending & equipment finance	$	7,165	$	—	$	—	$	—	$	(102)	$	7,063	1.35	%
Commercial and industrial	124,908		(2,975)		1,216		(1,759)		6,808		129,957		1.39	%
Commercial real estate — owner occupied	9,579		—		3		3		931		10,513		1.00	%
Commercial and business lending	141,652		(2,975)		1,219		(1,756)		7,637		147,533		1.35	%
Commercial real estate — investor	55,108		—		—		—		570		55,678		1.09	%
Real estate construction	66,171		—		18		18		4,909		71,098		3.31	%
Commercial real estate lending	121,279		—		18		18		5,479		126,776		1.75	%
Total commercial	262,931		(2,975)		1,237		(1,738)		13,116		274,309		1.51	%
Residential mortgage	38,298		(168)		114		(53)		851		39,096		0.45	%
Auto finance	19,619		(1,103)		147		(957)		3,531		22,193		1.43	%
Home equity	17,574		(111)		451		340		(449)		17,465		2.86	%
Other consumer	13,073		(1,144)		263		(881)		952		13,145		4.71	%
Total consumer	88,565		(2,525)		975		(1,550)		4,884		91,898		0.83	%
Total loans	$	351,496	$	(5,501)	$	2,212	$	(3,289)	$	18,000	$	366,208	1.25	%

The following table presents a summary of the changes in the ACLL by portfolio segment for the year ended December 31, 2022:

($ in thousands)	Dec 31, 2021		Charge offs		Recoveries		Net Charge offs		Provision for credit losses		Dec 31, 2022		ACLL / Loans
Allowance for loan losses
Asset-based lending & equipment finance	$	4,182	$	—	$	—	$	—	$	2,382	$	6,564
Commercial and industrial	85,675		(4,491)		5,282		791		26,047		112,512
Commercial real estate — owner occupied	11,473		—		13		13		(2,011)		9,475
Commercial and business lending	101,330		(4,491)		5,295		804		26,418		128,551
Commercial real estate — investor	72,803		(50)		50		—		(18,405)		54,398
Real estate construction	37,643		(48)		106		58		7,887		45,589
Commercial real estate lending	110,446		(98)		156		58		(10,518)		99,986
Total commercial	211,776		(4,588)		5,451		862		15,900		228,538
Residential mortgage	40,787		(567)		908		341		(2,830)		38,298
Auto finance	1,999		(1,041)		98		(943)		18,563		19,619
Home equity	14,011		(587)		1,385		798		66		14,875
Other consumer	11,441		(3,363)		1,010		(2,353)		2,301		11,390
Total consumer	68,239		(5,558)		3,401		(2,157)		18,100		84,182
Total loans	$	280,015	$	(10,146)	$	8,852	$	(1,294)	$	34,000	$	312,720
Allowance for unfunded commitments
Asset-based lending & equipment finance	$	857	$	—	$	—	$	—	$	(256)	$	601
Commercial and industrial	17,601		—		—		—		(5,205)		12,396
Commercial real estate — owner occupied	208		—		—		—		(105)		103
Commercial and business lending	18,667		—		—		—		(5,566)		13,101
Commercial real estate — investor	936		—		—		—		(226)		710
Real estate construction	15,586		—		—		—		4,997		20,583
Commercial real estate lending	16,522		—		—		—		4,770		21,292
Total commercial	35,189		—		—		—		(796)		34,393
Home equity	2,592		—		—		—		107		2,699
Other consumer	1,995		—		—		—		(311)		1,683
Total consumer	4,587		—		—		—		(204)		4,382
Total loans	$	39,776	$	—	$	—	$	—	$	(1,000)	$	38,776
Allowance for credit losses on loans
Asset-based lending & equipment finance	$	5,040	$	—	$	—	$	—	$	2,125	$	7,165	1.56	%
Commercial and industrial	103,276		(4,491)		5,282		791		20,842		124,908		1.34	%
Commercial real estate — owner occupied	11,681		—		13		13		(2,115)		9,579		0.97	%
Commercial and business lending	119,997		(4,491)		5,295		804		20,852		141,652		1.32	%
Commercial real estate — investor	73,739		(50)		50		—		(18,631)		55,108		1.08	%
Real estate construction	53,229		(48)		106		58		12,884		66,171		3.07	%
Commercial real estate lending	126,968		(98)		156		58		(5,748)		121,279		1.68	%
Total commercial	246,965		(4,588)		5,451		862		15,104		262,931		1.46	%
Residential mortgage	40,787		(567)		908		341		(2,830)		38,298		0.45	%
Auto finance	1,999		(1,041)		98		(943)		18,563		19,619		1.42	%
Home equity	16,603		(587)		1,385		798		173		17,574		2.81	%
Other consumer	13,436		(3,363)		1,010		(2,353)		1,990		13,073		4.43	%
Total consumer	72,825		(5,558)		3,401		(2,157)		17,896		88,565		0.82	%
Total loans	$	319,791	$	(10,146)	$	8,852	$	(1,294)	$	33,000	$	351,496	1.22	%

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Goodwill and Other Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2023

Goodwill and Intangible Assets Disclosure [Abstract]

Summary of core deposit intangibles and other intangibles

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

($ in thousands)	Three Months Ended March 31, 2023		Year Ended Dec 31, 2022
Core deposit intangibles
Gross carrying amount at the beginning of period	$	88,109	$	88,109
Accumulated amortization	(41,030)		(38,827)
Net book value	$	47,079	$	49,282
Amortization during the period	$	2,203	$	8,811

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

A summary of changes in the balance of the MSRs asset under the fair value measurement method for the three months ended March 31, 2023 and the year ended December 31, 2022 is as follows:

($ in thousands)	Three Months Ended March 31, 2023			Year Ended Dec 31, 2022
Mortgage servicing rights
Mortgage servicing rights at beginning of period	$	77,351		$	54,862
Cumulative effect of accounting methodology change	N/A			2,296
Balance at beginning of period, adjusted	$	77,351		$	57,158
Additions	474			7,279
Paydowns	(1,489)			(9,350)
Valuation:
Change in fair value model assumptions	—			5,715
Changes in fair value of asset	(1,857)			16,549
Mortgage servicing rights at end of period	$	74,479		$	77,351
Portfolio of residential mortgage loans serviced for others (“servicing portfolio”)	$	6,611,770		$	6,711,820
Mortgage servicing rights to servicing portfolio	1.13		%	1.15		%

Summary of estimated future amortization expense

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

($ in thousands)	Core Deposit Intangibles		Mortgage Servicing Rights
Nine months ended December 31, 2023	$	6,608	$	9,713
2024	8,811		12,079
2025	8,811		10,382
2026	8,811		8,924
2027	8,811		7,518
2028	3,485		6,564
Beyond 2028	1,742		19,299
Total estimated amortization expense and MSRs decay	$	47,079	$	74,479

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Short and Long-Term Funding (Tables)

3 Months Ended

Mar. 31, 2023

Debt Disclosure [Abstract]

Breakdown of short & long-term debt balances

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

($ in thousands)	Mar 31, 2023		Dec 31, 2022
Short-term funding
Federal funds purchased	$	350	$	344,170
Securities sold under agreements to repurchase	208,048		240,969
Federal funds purchased and securities sold under agreements to repurchase	208,398		585,139
Commercial paper	18,210		20,798
Total short-term funding	$	226,608	$	605,937
Long-term funding
Corporation subordinated notes, at par	$	550,000	$	250,000
Discount and capitalized costs	(8,513)		(544)
Subordinated debt fair value hedge(a)	2,168		(1,855)
Finance leases	448		469
Total long-term funding	$	544,103	$	248,071
Total short and long-term funding, excluding FHLB advances	$	770,711	$	854,007
FHLB advances
Short-term FHLB advances	$	3,785,000	$	3,125,000
Long-term FHLB advances	1,208,745		1,209,170
FHLB advances fair value hedge(a)	(7,607)		(14,308)
Total FHLB advances	$	4,986,138	$	4,319,861
Total short and long-term funding	$	5,756,849	$	5,173,869

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

Remaining contractual maturity of securities sold under agreements to repurchase

The remaining contractual maturity of the securities sold under agreements to repurchase on the consolidated balance sheets as of March 31, 2023 and December 31, 2022 are presented in the following table:

	Overnight and Continuous
($ in thousands)	Mar 31, 2023		Dec 31, 2022
Repurchase agreements
Agency mortgage-related securities	$	208,048	$	240,969

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Derivative and Hedging Activities (Tables)

3 Months Ended

Mar. 31, 2023

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 Corporation’s derivatives, as well as the balance sheet netting adjustments as of March 31, 2023 and December 31, 2022. 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 March 31, 2023 and December 31, 2022. 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.

	Mar 31, 2023								Dec 31, 2022
	Asset				Liability				Asset				Liability
($ in thousands)	Notional Amount		Fair Value		Notional Amount		Fair Value		Notional Amount		Fair Value		Notional Amount		Fair Value
Designated as hedging instruments:
Interest rate-related instruments	$	2,000,000	$	19,416	$	850,000	$	—	$	900,000	$	4,349	$	1,150,000	$	1,260
Not designated as hedging instruments:
Interest rate-related and other instruments	4,412,666		71,619		4,737,474		199,339		4,246,823		62,401		4,599,391		251,398
Foreign currency exchange forwards	468,094		3,313		454,970		3,194		499,078		1,922		461,134		1,801
Mortgage banking(a)	59,184		338		83,500		441		21,265		86		33,000		46
Total not designated as hedging instruments			75,271				202,974				64,410				253,245
Gross derivatives before netting			94,687				202,974				68,759				254,506
Less: Legally enforceable master netting agreements			8,301				8,301				2,788				2,788
Less: Cash collateral pledged/received			36,331				342				26,898				217
Total derivative instruments, after netting			$	50,056			$	194,331			$	39,072			$	251,500

(a) The notional amount of the mortgage derivative asset includes interest rate lock commitments, while the notional amount of the mortgage derivative liability includes forward commitments.

Balance Sheet Recording of Fair Value Hedge [Table]

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

	Line Item in the Consolidated Balance Sheets in Which the Hedged Item is Included
	Carrying Amount of the Hedged Assets/(Liabilities)		Cumulative Amount of Fair Value Hedging Adjustment Included in the Carrying Amount of the Hedged Assets/(Liabilities)		Carrying Amount of the Hedged Assets/(Liabilities)		Cumulative Amount of Fair Value Hedging Adjustment Included in the Carrying Amount of the Hedged Assets/(Liabilities)
($ in thousands)	March 31, 2023				December 31, 2022
Other long-term funding	$	(552,168)	$	(2,168)	$	(248,145)	$	1,855
FHLB Advances	(592,393)		7,607		(585,692)		14,308
Total	$	(1,144,561)	$	5,439	$	(833,837)	$	16,163

Schedule of cash flow hedging instruments, statements of financial performance and financial position location

The table below identifies the effect of fair value and cash flow hedge accounting on the Corporation's consolidated statements of income for the three months ended March 31, 2023 and 2022:

	Location and Amount Recognized on the Consolidated Statements of Income in Fair Value and Cash Flow Hedging Relationships
	Three months ended Mar 31,
	2023				2022
($ in thousands)	Interest Income		Interest Expense		Interest Income
Total amounts of income presented on the consolidated statements of income in which the effects of the fair value or cash flow hedges are recorded(a)	$	(1,321)	$	2,515	$	(179)
The effects of fair value and cash flow hedging: Impact on fair value hedging relationships in Subtopic 815-20
Interest contracts:
Hedged items	(59)		10,724		(179)
Derivatives designated as hedging instruments(a)	(1,262)		(8,209)		—

Schedule of Cash Flow Hedges Included in Accumulated Other Comprehensive Income (Loss) [Table Text Block]

The following table presents the effect of cash flow hedge accounting on accumulated other comprehensive income (loss) for the three months ended March 31, 2023 and 2022:

	Three Months Ended Mar 31,
($ in thousands)	2023		2022
Interest rate-related instruments designated as cash flow hedging instruments
Amount of gain recognized in OCI on cash flow hedge derivative(a)	$	13,763	$	—
Amount of loss reclassified from accumulated other comprehensive income (loss) into interest income(a)	1,262		—

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

Gain (loss) on derivative instruments not designated as hedging instruments

The table below identifies the effect of derivatives not designated as hedging instruments on the Corporation's consolidated statements of income for the three months ended March 31, 2023 and 2022:

	Consolidated Statements of Income Category of Gain / (Loss)  Recognized in Income	Three Months Ended Mar 31,
($ in thousands)		2023		2022
Derivative instruments
Interest rate-related and other instruments — customer and mirror, net	Capital markets, net	$	(70)	$	558
Interest rate-related instruments — MSRs hedge	Mortgage banking, net	2,521		(3,666)
Foreign currency exchange forwards	Capital markets, net	(2)		123
Interest rate lock commitments (mortgage)	Mortgage banking, net	252		(2,842)
Forward commitments (mortgage)	Mortgage banking, net	(395)		4,757

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Balance Sheet Offsetting (Tables)

3 Months Ended

Mar. 31, 2023

Offsetting [Abstract]

Balance sheet offsetting of derivative assets and liabilities

The following table presents the interest rate and foreign exchange assets and liabilities subject to an enforceable master netting arrangement as of March 31, 2023 and December 31, 2022. The interest and foreign exchange agreements the Corporation has with its commercial customers are not subject to an enforceable master netting arrangement and are therefore excluded from this table:

	Gross Amounts Recognized		Gross Amounts Subject to Master Netting Arrangements Offset on the Consolidated Balance Sheets				Net Amounts Presented on the Consolidated Balance Sheets		Gross Amounts Not Offset on the Consolidated Balance Sheets
($ in thousands)			Derivative Liabilities Offset		Cash Collateral Received				Security Collateral Received		Net  Amount
Derivative assets
March 31, 2023	$	78,018	$	(8,301)	$	(36,331)	$	33,387	$	(32,827)	$	560
December 31, 2022	63,029		(2,788)		(26,898)		33,342		(30,753)		2,589
	Gross Amounts Recognized		Gross Amounts Subject to Master Netting Arrangements Offset on the Consolidated Balance Sheets				Net Amounts Presented on the Consolidated Balance Sheets		Gross Amounts Not Offset on the Consolidated Balance Sheets
($ in thousands)			Derivative Assets Offset		Cash Collateral Pledged				Security Collateral Pledged		Net  Amount
Derivative liabilities
March 31, 2023	$	8,676	$	(8,301)	$	(342)	$	34	$	—	$	34
December 31, 2022	3,096		(2,788)		(217)		91		—		91

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

3 Months Ended

Mar. 31, 2023

Commitments and Contingencies Disclosure [Abstract]

Summary of lending-related and other commitments

The following is a summary of lending-related commitments:

($ in thousands)	Mar 31, 2023		Dec 31, 2022
Commitments to extend credit, excluding commitments to originate residential mortgage loans held for sale(a)(b)	$	11,919,626	$	12,444,275
Commercial letters of credit(a)	5,413		3,188
Standby letters of credit(c)	251,565		270,692

Schedule Of Unfunded Commitments [Table Text Block]

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

($ in thousands)	Three Months Ended March 31, 2023		Year Ended December 31, 2022
Allowance for unfunded commitments
Balance at beginning of period	$	38,776	$	39,776
Provision for unfunded commitments	1,000		(1,000)
Balance at end of period	$	39,776	$	38,776

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Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2023

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 March 31, 2023 and December 31, 2022, aggregated by the level in the fair value hierarchy within which those measurements fall:

($ in thousands)	Fair Value Hierarchy	Mar 31, 2023		Dec 31, 2022
Assets
AFS investment securities:
U.S. Treasury securities	Level 1	$	111,743	$	109,378
Agency securities	Level 2	13,730		13,532
Obligations of state and political subdivisions (municipal securities)	Level 2	228,902		230,714
Residential mortgage-related securities:
FNMA / FHLMC	Level 2	1,574,578		1,604,610
GNMA	Level 2	1,095,588		497,596
Commercial mortgage-related securities:
FNMA / FHLMC	Level 2	17,618		17,142
GNMA	Level 2	189,466		110,462
Asset backed securities:
FFELP	Level 2	143,084		151,191
SBA	Level 2	3,983		4,477
Other debt securities	Level 2	2,918		2,922
Total AFS investment securities	Level 1	$	111,743	$	109,378
Total AFS investment securities	Level 2	3,269,864		2,632,647
Equity securities with readily determinable fair values	Level 1	6,286		5,991
Residential loans held for sale	Level 2	35,742		20,383
Mortgage servicing rights, net	Level 3	74,479		77,351
Interest rate-related instruments designated as hedging instruments(a)	Level 2	19,416		4,349
Interest rate-related and other instruments not designated as hedging instruments(a)	Level 2	71,619		62,401
Foreign currency exchange forwards(a)	Level 2	3,313		1,922
Interest rate lock commitments to originate residential mortgage loans held for sale	Level 3	338		86
Liabilities
Interest rate-related instruments designated as hedging instruments(a)	Level 2	$	—	$	1,260
Interest rate-related and other instruments not designated as hedging instruments(a)	Level 2	199,339		251,398
Foreign currency exchange forwards(a)	Level 2	3,194		1,801
Forward commitments to sell residential mortgage loans	Level 3	441		46

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

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 three months ended March 31, 2023 and the year ended December 31, 2022, 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, 2021	$	2,617	$	(30)	$	2,647
New production	10,442		(2,028)		12,470
Closed loans / settlements	(913)		24,766		(25,679)
Other	(12,060)		(22,662)		10,603
Change in mortgage derivative	(2,531)		76		(2,607)
Balance December 31, 2022	$	86	$	46	$	40
New production	$	1,134	$	(294)	$	1,429
Closed loans / settlements	(570)		46		(616)
Other	(312)		644		(956)
Change in mortgage derivative	252		395		(143)
Balance March 31, 2023	$	338	$	441	$	(103)

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 March 31, 2023 that are measured under the measurement alternative and the related adjustments recorded during the periods presented for those securities with observable price changes. 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 March 31, 2023:

($ in thousands)
Equity securities without readily determinable fair values
Carrying value as of December 31, 2022	$	19,225
Carrying value changes	—
Purchases	5,003
Sales	—
Carrying value as of March 31, 2023	$	24,228
Cumulative upward carrying value changes between January 1, 2018 and March 31, 2023	$	19,134
Cumulative downward carrying value changes/impairment between January 1, 2018 and March 31, 2023	$	—

Assets and liabilities measured on nonrecurring basis at fair value

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

($ in thousands)	Fair Value Hierarchy	Fair Value		Consolidated Statements of Income Category of Adjustment Recognized in Income	Adjustment Recognized on the Consolidated Statements of Income(a)
March 31, 2023
Assets
Individually evaluated loans	Level 3	$	35,499	Provision for credit losses	$	4,608
OREO(b)	Level 2	70		Other noninterest expense / provision for credit losses(c)	46
December 31, 2022
Assets
Individually evaluated loans	Level 3	$	23,584	Provision for credit losses	$	4,405
OREO(b)	Level 2	2,196		Other noninterest expense / provision for credit losses(c)	971
Equity securities without readily determinable fair values	Level 3	19,134		Investment securities gains (losses), net	5,690

(a) Includes the full year impact on the consolidated statements of income.
(b) If the fair value of the collateral exceeds the carrying amount of the asset, no charge off or adjustment is necessary, the asset is not considered to be carried at fair value and is therefore not included in the table.
(c) When a property's value is written down at the time it is transferred to OREO, the charge off is booked to the provision for credit losses. When a property is already in OREO and subsequently written down, the charge off is booked to other noninterest expense.

Schedule of assumptions for fair value as of balance sheet date of assets or liabilities that relate to transferor's continuing involvement

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

March 31, 2023	Valuation Technique	Significant Unobservable Input	Range of Inputs			Weighted Average Input Applied
Mortgage servicing rights	Discounted cash flow	Option adjusted spread	6%	-	9%	7%
Mortgage servicing rights	Discounted cash flow	Constant prepayment rate	—%	-	100%	7%
Individually evaluated loans	Appraisals / Discounted cash flow	Collateral / Discount factor	25%	-	48%	35%
Interest rate lock commitments to originate residential mortgage loans held for sale	Discounted cash flow	Closing Ratio	5%	-	100%	74%

Estimated fair values of financial instruments

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

		Mar 31, 2023				Dec 31, 2022
($ in thousands)	Fair Value Hierarchy Level	Carrying Amount		Fair Value		Carrying Amount		Fair Value
Financial assets
Cash and due from banks	Level 1	$	311,269	$	311,269	$	436,952	$	436,952
Interest-bearing deposits in other financial institutions	Level 1	511,116		511,116		156,693		156,693
Federal funds sold and securities purchased under agreements to resell	Level 1	455		455		27,810		27,810
AFS investment securities	Level 1	111,743		111,743		109,378		109,378
AFS investment securities	Level 2	3,269,864		3,269,864		2,632,647		2,632,647
HTM investment securities, net	Level 1	999		947		999		936
HTM investment securities, net	Level 2	3,966,060		3,480,530		3,959,399		3,400,028
Equity securities with readily determinable fair values	Level 1	6,286		6,286		5,991		5,991
Equity securities without readily determinable fair values	Level 2	5,000		5,000		—		—
Equity securities without readily determinable fair values	Level 3	19,228		19,228		19,225		19,225
FHLB and Federal Reserve Bank stocks	Level 2	331,420		331,420		295,496		295,496
Residential loans held for sale	Level 2	35,742		35,742		20,383		20,383
Commercial loans held for sale	Level 2	33,490		33,490		—		—
Loans, net	Level 3	28,880,640		27,921,022		28,486,849		27,481,426
Bank and corporate owned life insurance	Level 2	677,328		677,328		676,530		676,530
Mortgage servicing rights, net	Level 3	74,479		74,479		77,351		77,351
Derivatives (other assets)(a)	Level 2	94,349		94,349		68,672		68,672
Interest rate lock commitments to originate residential mortgage loans held for sale (other assets)	Level 3	338		338		86		86
Financial liabilities
Noninterest-bearing demand, savings, interest-bearing demand, and money market accounts	Level 3	$	27,393,908	$	27,393,908	$	27,705,996	$	27,705,996
Brokered CDs and other time deposits(b)	Level 2	2,937,916		2,937,916		1,930,158		1,930,158
Short-term funding	Level 2	226,608		226,600		605,937		605,205
FHLB advances	Level 2	4,986,138		4,987,658		4,319,861		4,322,264
Other long-term funding	Level 2	544,103		535,836		248,071		242,151
Standby letters of credit(c)	Level 2	2,717		2,717		2,881		2,881
Derivatives (accrued expenses and other liabilities)(a)	Level 2	202,533		202,533		254,459		254,459
Forward commitments to sell residential mortgage loans (accrued expenses and other liabilities)	Level 3	441		441		46		46

(a) Figures are presented gross before netting. See Note 9 and Note 10 for information relating to the impact of offsetting derivative assets and liabilities and cash collateral with the
    same counterparty where there is a legally enforceable master netting agreement in place.
(b) When the estimated fair value is less than the carrying value, the carrying value is reported as the fair value.
(c) The commitment on standby letters of credit was $252 million at March 31, 2023 and $271 million at December 31, 2022. See Note 11 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)

3 Months Ended

Mar. 31, 2023

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 months ended March 31, 2023 and 2022 were as follows:

	Three Months Ended Mar 31,
($ in thousands)	2023		2022
RAP
Service cost	$	796	$	923
Interest cost	2,686		1,772
Expected return on plan assets	(8,202)		(6,736)
Amortization of prior service cost	(63)		(63)
Amortization of actuarial loss	37		74
Total net periodic pension cost	$	(4,746)	$	(4,029)
Postretirement Plan
Interest cost	$	20	$	13
Amortization of prior service cost	(19)		(19)
Amortization of actuarial loss (gain)	(7)		—
Total net periodic benefit cost	$	(7)	$	(6)

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Segment Reporting (Tables)

3 Months Ended

Mar. 31, 2023

Segment Reporting [Abstract]

Selected segment information

Information about the Corporation’s segments is presented below:

	Corporate and Commercial Specialty
	Three Months Ended Mar 31,
($ in thousands)	2023		2022
Net interest income	$	219,123	$	90,633
Net intersegment interest income (expense)	(80,980)		8,525
Segment net interest income	138,143		99,158
Noninterest income	32,715		37,728
Total revenue	170,858		136,886
Provision for credit losses	13,782		12,653
Noninterest expense	62,061		56,528
Income before income taxes	95,015		67,705
Income tax expense	17,737		12,307
Net income	$	77,278	$	55,399
Allocated goodwill	$	525,836	$	525,836

	Community, Consumer, and Business
	Three Months Ended Mar 31,
($ in thousands)	2023		2022
Net interest income	$	80,284	$	69,544
Net intersegment interest income	88,079		18,833
Segment net interest income	168,363		88,377
Noninterest income	25,949		33,207
Total revenue	194,312		121,584
Provision for credit losses	6,758		4,656
Noninterest expense	111,694		98,461
Income before income taxes	75,860		18,466
Income tax expense	15,931		3,878
Net income	$	59,930	$	14,588
Allocated goodwill	$	579,156	$	579,156

	Risk Management and Shared Services
	Three Months Ended Mar 31,
($ in thousands)	2023		2022
Net interest income	$	(25,397)	$	27,570
Net intersegment (expense)	(7,099)		(27,358)
Segment net interest income (loss)	(32,496)		212
Noninterest income	3,409		3,532
Total revenue	(29,087)		3,744
Provision for credit losses	(2,568)		(21,300)
Noninterest expense	13,658		18,303
Income (loss) before income taxes	(40,176)		6,741
Income tax expense (benefit)	(6,328)		2,465
Net income (loss)	$	(33,848)	$	4,275
Allocated goodwill	$	—	$	—

	Consolidated Total
	Three Months Ended Mar 31,
($ in thousands)	2023		2022
Net interest income	$	274,010	$	187,747
Net intersegment interest income	—		—
Segment net interest income	274,010		187,747
Noninterest income	62,073		74,467
Total revenue	336,083		262,214
Provision for credit losses	17,971		(3,990)
Noninterest expense	187,412		173,292
Income before income taxes	130,700		92,912
Income tax expense	27,340		18,650
Net income	$	103,360	$	74,262
Allocated goodwill	$	1,104,992	$	1,104,992

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Accumulated Other Comprehensive Income (Loss) (Tables)

3 Months Ended

Mar. 31, 2023

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 March 31, 2023 and 2022, including changes during the preceding three month periods as well as any reclassifications out of accumulated other comprehensive income (loss):

($ in thousands)	AFS Investment Securities		Cash Flow Hedge Derivatives		Defined Benefit Pension and Postretirement Obligations		Accumulated Other Comprehensive Income (Loss)
Balance December 31, 2022	$	(233,192)	$	3,360	$	(42,968)	$	(272,799)
Other comprehensive income before reclassifications	36,478		—		—		36,478
Amounts reclassified from accumulated other comprehensive income (loss):
HTM investment securities, net, at amortized cost	2,267		—		—		2,267
Other assets / accrued expenses and other liabilities	—		13,763		—		13,763
Interest income	—		1,262		—		1,262
Personnel expense	—		—		(81)		(81)
Other expense	—		—		30		30
Income tax (expense) benefit	(9,892)		(4,694)		79		(14,507)
Net other comprehensive income during period	28,853		10,331		27		39,211
Balance March 31, 2023	$	(204,339)	$	13,691	$	(42,940)	$	(233,588)
Balance December 31, 2021	$	(5,266)	$	—	$	(5,051)	$	(10,317)
Other comprehensive (loss) before reclassifications	(103,284)		—		—		(103,284)
Unrealized (losses) on AFS securities transferred to HTM securities	(67,604)		—		—		(67,604)
Amounts reclassified from accumulated other comprehensive income (loss):
Investment securities (gains), net	(21)		—		—		(21)
HTM investment securities, net, at amortized cost	1,108		—		—		1,108
Personnel expense	—		—		(81)		(81)
Other expense	—		—		74		74
Income tax benefit	43,098		—		2		43,100
Net other comprehensive (loss) during period	(126,702)		—		(6)		(126,708)
Balance March 31, 2022	$	(131,968)	$	—	$	(5,057)	$	(137,024)

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Leases (Tables)

3 Months Ended

Mar. 31, 2023

Leases [Abstract]

Lease, Cost and Cash Flows

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

	Three Months Ended Mar 31,
($ in thousands)	2023		2022
Operating lease costs	$	1,464	$	1,798
Finance lease costs	23		41
Operating lease cash flows	1,828		2,407
Finance lease cash flows	22		44

Components of lease expense

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

($ in thousands)	Consolidated Balance Sheets Category	Mar 31, 2023		Dec 31, 2022
Operating lease right-of-use asset	Premises and equipment	$	24,377	$	25,617
Finance lease right-of-use asset	Other assets	433		455
Operating lease liability	Accrued expenses and other liabilities	26,938		28,357
Finance lease liability	Other long-term funding	448		469

Operating lease information

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

	Mar 31, 2023					Dec 31, 2022
($ in thousands)	Lease payments		Weighted-average lease term (in years)	Weighted-average discount rate		Lease payments		Weighted-average lease term (in years)	Weighted-average discount rate
Operating leases
Retail and corporate offices	$	24,738	5.76	2.63	%	$	26,140	5.92	2.62	%
Land	4,569		7.44	3.15	%	4,766		7.59	3.14	%
Equipment	—		0.00	—	%	—		0.00	—	%
Total operating leases	$	29,307	6.01	2.71	%	$	30,906	6.17	2.70	%
Finance leases
Retail and corporate offices	$	463	5.00	1.32	%	$	485	5.25	1.32	%
Total finance leases	$	463	5.00	1.32	%	$	485	5.25	1.32	%

Amortization of operating lease liabilities

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

($ in thousands)	Operating Leases		Finance Leases		Total Leases
Nine months ended December 31, 2023	$	4,540	$	69	$	4,609
2024	5,735		93		5,827
2025	4,512		93		4,605
2026	4,246		93		4,339
2027	3,807		93		3,899
Beyond 2027	6,468		23		6,491
Total lease payments	$	29,307	$	463	$	29,770
Less: interest	2,369		15		2,384
Present value of lease payments	$	26,938	$	448	$	27,386

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Acquisitions (Details Textuals) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Business Acquisition [Line Items]
Deposits	$ 30,331,824	$ 29,636,154

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Summary of Significant Accounting Policies (Details) (Textuals) $ in Thousands	Jan. 01, 2022 USD ($)
Accounting Changes and Error Corrections [Abstract]
Cumulative effect of accounting methodology change	$ 2,296

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Earnings Per Common Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Earnings Per Share [Abstract]
Net income	$ 103,360	$ 74,262
Preferred stock dividends	(2,875)	(2,875)
Net income available to common equity	100,485	71,387
Common shareholder dividends	(31,808)	(30,372)
Unvested share-based payment awards	(205)	(211)
Undistributed earnings	68,472	40,804
Undistributed earnings allocated to common shareholders	68,086	40,548
Undistributed earnings allocated to unvested share-based payment awards	386	256
Basic
Distributed earnings to common shareholders	31,808	30,372
Undistributed earnings allocated to common shareholders	68,086	40,548
Total common shareholders earnings, basic	99,894	70,920
Diluted
Distributed earnings to common shareholders	31,808	30,372
Undistributed earnings allocated to common shareholders	68,086	40,548
Total common shareholders earnings, diluted	$ 99,894	$ 70,920
Weighted average common shares outstanding	149,763	148,781
Effect of dilutive common stock awards	1,365	1,711
Diluted weighted average common shares outstanding	151,128	150,492
Basic earnings per common share	$ 0.67	$ 0.48
Diluted earnings per common share	$ 0.66	$ 0.47

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Earnings Per Common Share (Details Textuals) - shares	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
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	2,000,000	2,000,000

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Stock-Based Compensation, Stock Option Activity (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2023	Dec. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Stock Options Shares Outstanding, Beginning balance (in shares)	3,994
Exercised	34
Forfeited or expired	0
Stock Options Shares Outstanding, Ending balance (in shares)	3,960	3,994
Options exercisable (in shares)	3,746
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]
Stock Option Outstanding, Weighted Average Exercise Price, Beginning balance (in usd per share)	$ 21.06
Exercised	17.07
Forfeited	0
Stock Option Outstanding, Weighted Average Exercise Price, Ending balance (in usd per share)	21.10	$ 21.06
Options Exercisable, Weighted Average Exercise Price (in usd per share)	$ 21.27
Stock Options Outstanding, Weighted Average Remaining Contractual Term	4 years 10 months 13 days	5 years 1 month 9 days
Options exercisable, Weighted Average Remaining Contractual Term	4 years 9 months
Stock Options Outstanding, Aggregate Intrinsic Value, Beginning balance	$ 10,525
Stock Options Outstanding, Aggregate Intrinsic Value, Ending balance	1,039	$ 10,525
Options exercisable, Aggregate Intrinsic Value	$ 887

XML

Stock-Based Compensation, Restricted Stock Activity (Details) shares in Thousands	3 Months Ended
	Mar. 31, 2023 $ / 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	2,303
Granted | shares	813
Vested | shares	630
Forfeited | shares	2
Outstanding Shares, Ending balance (in shares) | shares	2,484
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	$ 20.81
Granted, Weighted Average Grant Date Fair Value | $ / shares	22.67
Vested, Weighted Average Grant Date Fair Value | $ / shares	20.99
Forfeited, Weighted Average Grant Date Fair Value | $ / shares	21.92
Outstanding Weighted Average Grant Date Fair Value, Ending balance (in usd per share) | $ / shares	$ 21.38

XML

Stock-Based Compensation (Details Textuals) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award
Intrinsic value of stock options exercised	$ 219	$ 3,000
Total fair value of vested stock options	$ 955	2,000
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	$ 108	241
Unvested share-based payment awards	270
Share-based Payment Arrangement, Expense	$ 108	$ 241
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	$ 6,000
Remaining requisite service periods, extend through	first quarter of 2027
Recognized compensation expense for accelerated vesting	$ 3,000
Unvested share-based payment awards	31,000
Share-based Payment Arrangement, Expense	6,000
Share-based Payment Arrangement, Accelerated Cost	$ 3,000

XML

Investment Securities, AFS and HTM Securities Amortized Costs and Fair Values (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2023	Dec. 31, 2022
Schedule of Available-for-sale and Held-to-maturity Securities [Line Items]
Debt Securities, Available-for-sale, Amortized Cost	$ 3,600,137	$ 2,997,032
Debt Securities, Available-for-sale, Unrealized Gain	7,854	830
Debt Securities, Available-for-sale, Unrealized Loss	(226,383)	(255,837)
AFS investment securities, at fair value	3,381,607	2,742,025
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	3,967,083	3,960,451
Held-to-maturity, Gross Unrealized Gains	61,768	60,978
Held-to-maturity, Gross Unrealized Loss	(547,349)	(620,411)
Held-to-maturity, Fair Value	3,481,502	3,401,018
US Treasury Securities
Schedule of Available-for-sale and Held-to-maturity Securities [Line Items]
Debt Securities, Available-for-sale, Amortized Cost	124,478	124,441
Debt Securities, Available-for-sale, Unrealized Gain	0	0
Debt Securities, Available-for-sale, Unrealized Loss	(12,735)	(15,063)
AFS investment securities, at fair value	111,743	109,378
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	999	999
Held-to-maturity, Gross Unrealized Gains	0	0
Held-to-maturity, Gross Unrealized Loss	(51)	(62)
Held-to-maturity, Fair Value	947	936
Agency Securities
Schedule of Available-for-sale and Held-to-maturity Securities [Line Items]
Debt Securities, Available-for-sale, Amortized Cost	15,000	15,000
Debt Securities, Available-for-sale, Unrealized Gain	0	0
Debt Securities, Available-for-sale, Unrealized Loss	(1,271)	(1,468)
AFS investment securities, at fair value	13,730	13,532
US States and Political Subdivisions Debt Securities [Member]
Schedule of Available-for-sale and Held-to-maturity Securities [Line Items]
Debt Securities, Available-for-sale, Amortized Cost	230,673	235,693
Debt Securities, Available-for-sale, Unrealized Gain	291	96
Debt Securities, Available-for-sale, Unrealized Loss	(2,063)	(5,074)
AFS investment securities, at fair value	228,902	230,714
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	1,720,177	1,732,351
Held-to-maturity, Gross Unrealized Gains	4,888	1,994
Held-to-maturity, Gross Unrealized Loss	(146,544)	(182,697)
Held-to-maturity, Fair Value	1,578,521	1,551,647
Mortgage-backed Securities, Issued by Private Enterprises [Member]
Schedule of Available-for-sale and Held-to-maturity Securities [Line Items]
Debt Securities, Available-for-sale, Amortized Cost	0
AFS investment securities, at fair value	0
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	361,170	364,728
Held-to-maturity, Gross Unrealized Gains	11,242	11,697
Held-to-maturity, Gross Unrealized Loss	(71,147)	(72,920)
Held-to-maturity, Fair Value	301,265	303,505
Federal Family Education Loan Program (FFELP) Guaranteed Loans [Member]
Schedule of Available-for-sale and Held-to-maturity Securities [Line Items]
Debt Securities, Available-for-sale, Amortized Cost	147,876	157,138
Debt Securities, Available-for-sale, Unrealized Gain	0	0
Debt Securities, Available-for-sale, Unrealized Loss	(4,791)	(5,947)
AFS investment securities, at fair value	143,084	151,191
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	0
Held-to-maturity, Fair Value	0
US Government-sponsored Enterprises Debt Securities [Member]
Schedule of Available-for-sale and Held-to-maturity Securities [Line Items]
Debt Securities, Available-for-sale, Amortized Cost	4,020	4,512
Debt Securities, Available-for-sale, Unrealized Gain	13	15
Debt Securities, Available-for-sale, Unrealized Loss	(50)	(51)
AFS investment securities, at fair value	3,983	4,477
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	0
Held-to-maturity, Fair Value	0
Other Debt securities
Schedule of Available-for-sale and Held-to-maturity Securities [Line Items]
Debt Securities, Available-for-sale, Amortized Cost	3,000	3,000
Debt Securities, Available-for-sale, Unrealized Gain	0	0
Debt Securities, Available-for-sale, Unrealized Loss	(82)	(78)
AFS investment securities, at fair value	2,918	2,922
FNMA/FHLMC | Residential Related Securities
Schedule of Available-for-sale and Held-to-maturity Securities [Line Items]
Debt Securities, Available-for-sale, Amortized Cost	1,768,846	1,820,642
Debt Securities, Available-for-sale, Unrealized Gain	260	404
Debt Securities, Available-for-sale, Unrealized Loss	(194,529)	(216,436)
AFS investment securities, at fair value	1,574,578	1,604,610
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	981,065	961,231
Held-to-maturity, Gross Unrealized Gains	30,284	31,301
Held-to-maturity, Gross Unrealized Loss	(163,514)	(175,760)
Held-to-maturity, Fair Value	847,835	816,771
FNMA/FHLMC | Commercial mortgage-related securities
Schedule of Available-for-sale and Held-to-maturity Securities [Line Items]
Debt Securities, Available-for-sale, Amortized Cost	18,952	19,038
Debt Securities, Available-for-sale, Unrealized Gain	0	0
Debt Securities, Available-for-sale, Unrealized Loss	(1,335)	(1,896)
AFS investment securities, at fair value	17,618	17,142
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	785,516	778,796
Held-to-maturity, Gross Unrealized Gains	14,657	15,324
Held-to-maturity, Gross Unrealized Loss	(156,369)	(178,281)
Held-to-maturity, Fair Value	643,803	615,839
Government National Mortgage Association (GNMA) [Member] | Residential Related Securities
Schedule of Available-for-sale and Held-to-maturity Securities [Line Items]
Debt Securities, Available-for-sale, Amortized Cost	1,092,742	502,537
Debt Securities, Available-for-sale, Unrealized Gain	7,273	314
Debt Securities, Available-for-sale, Unrealized Loss	(4,427)	(5,255)
AFS investment securities, at fair value	1,095,588	497,596
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	53,298	52,979
Held-to-maturity, Gross Unrealized Gains	195	85
Held-to-maturity, Gross Unrealized Loss	(2,897)	(3,436)
Held-to-maturity, Fair Value	50,596	49,628
Government National Mortgage Association (GNMA) [Member] | Commercial mortgage-related securities
Schedule of Available-for-sale and Held-to-maturity Securities [Line Items]
Debt Securities, Available-for-sale, Amortized Cost	194,550	115,031
Debt Securities, Available-for-sale, Unrealized Gain	17	0
Debt Securities, Available-for-sale, Unrealized Loss	(5,101)	(4,569)
AFS investment securities, at fair value	189,466	110,462
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	64,859	69,369
Held-to-maturity, Gross Unrealized Gains	502	577
Held-to-maturity, Gross Unrealized Loss	(6,826)	(7,254)
Held-to-maturity, Fair Value	$ 58,536	$ 62,691

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Investment Securities, AFS and HTM Contractual Maturities (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Amortized Cost
Available for Sale, Due in one year or less	$ 6,773
Available for Sale, Due after one year through five years	179,763
Available for Sale, Due after five years through ten years	150,181
Available for Sale, Due after ten years	36,434
Debt Securities, Available-for-sale, Maturity, without Single Maturity Date, Amortized Cost	373,151
Available for Sale, Total debt securities	3,600,137	$ 2,997,032
Fair Value
Available for Sale, Due in one year or less	6,768
Available for Sale, Due after one year through five years	165,292
Available for Sale, Due after five years through ten years	149,003
Available for Sale, Due after ten years	36,229
Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, Fair Value	357,292
Available for Sale, Total debt securities	$ 3,381,607	2,742,025
Available for Sale, Ratio of Fair Value to Amortized Cost	93.90%
Amortized Cost
Held to Maturity, Due in one year or less	$ 14,358
Held to Maturity, Due after one year through five years	36,046
Held to Maturity, Due after five years through ten years	161,217
Held to Maturity, Due after ten years	1,509,554
Held to Maturity, Total Debt Securities	1,721,175
Held to Maturity, Amortized Cost	3,967,083	3,960,451
Fair Value
Held to Maturity, Due in one year or less	14,350
Held to Maturity, Due after one year through five years	35,926
Held to Maturity, Due after five years through ten years	159,591
Held to Maturity, Due after ten years	1,369,602
Held to Maturity, Securities, Debt Securities	1,579,468
Held to Maturity, Total debt securities at fair value	$ 3,481,502	3,401,018
Held to Maturity, Ratio of Fair Value to Amortized Cost	87.80%
Mortgage-backed Securities, Issued by Private Enterprises [Member]
Amortized Cost
Available for Sale, Total debt securities	$ 0
Fair Value
Available for Sale, Total debt securities	0
Amortized Cost
Held to Maturity, Amortized Cost	361,170	364,728
Fair Value
Held to Maturity, Total debt securities at fair value	301,265	303,505
Federal Family Education Loan Program (FFELP) Guaranteed Loans [Member]
Amortized Cost
Available for Sale, Total debt securities	147,876	157,138
Fair Value
Available for Sale, Total debt securities	143,084	151,191
Amortized Cost
Held to Maturity, Amortized Cost	0
Fair Value
Held to Maturity, Total debt securities at fair value	0
US Government-sponsored Enterprises Debt Securities [Member]
Amortized Cost
Available for Sale, Total debt securities	4,020	4,512
Fair Value
Available for Sale, Total debt securities	3,983	4,477
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, Total debt securities	1,768,846	1,820,642
Fair Value
Available for Sale, Total debt securities	1,574,578	1,604,610
Amortized Cost
Held to Maturity, Amortized Cost	981,065	961,231
Fair Value
Held to Maturity, Total debt securities at fair value	847,835	816,771
FNMA/FHLMC | Commercial mortgage-related securities
Amortized Cost
Available for Sale, Total debt securities	18,952	19,038
Fair Value
Available for Sale, Total debt securities	17,618	17,142
Amortized Cost
Held to Maturity, Amortized Cost	785,516	778,796
Fair Value
Held to Maturity, Total debt securities at fair value	643,803	615,839
Government National Mortgage Association (GNMA) [Member] | Residential Related Securities
Amortized Cost
Available for Sale, Total debt securities	1,092,742	502,537
Fair Value
Available for Sale, Total debt securities	1,095,588	497,596
Amortized Cost
Held to Maturity, Amortized Cost	53,298	52,979
Fair Value
Held to Maturity, Total debt securities at fair value	50,596	49,628
Government National Mortgage Association (GNMA) [Member] | Commercial mortgage-related securities
Amortized Cost
Available for Sale, Total debt securities	194,550	115,031
Fair Value
Available for Sale, Total debt securities	189,466	110,462
Amortized Cost
Held to Maturity, Amortized Cost	64,859	69,369
Fair Value
Held to Maturity, Total debt securities at fair value	$ 58,536	$ 62,691

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Investment Securities, HTM Credit Quality Indicators (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	$ 3,967,083	$ 3,960,451
US Treasury Securities
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	999	999
US States and Political Subdivisions Debt Securities [Member]
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	1,720,177	1,732,351
Residential Related Securities | FNMA/FHLMC
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	981,065	961,231
Residential Related Securities | Government National Mortgage Association (GNMA) [Member]
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	53,298	52,979
Mortgage-backed Securities, Issued by Private Enterprises [Member]
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	361,170	364,728
Commercial mortgage-related securities | FNMA/FHLMC
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	785,516	778,796
Commercial mortgage-related securities | Government National Mortgage Association (GNMA) [Member]
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	64,859	69,369
Not Rated [Domain]
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	1,157	1,158
Not Rated [Domain] | US Treasury Securities
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	0	0
Not Rated [Domain] | US States and Political Subdivisions Debt Securities [Member]
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	1,157	1,158
Not Rated [Domain] | Residential Related Securities | FNMA/FHLMC
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	0	0
Not Rated [Domain] | Residential Related Securities | Government National Mortgage Association (GNMA) [Member]
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	0	0
Not Rated [Domain] | Mortgage-backed Securities, Issued by Private Enterprises [Member]
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	0	0
Not Rated [Domain] | Commercial mortgage-related securities | FNMA/FHLMC
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	0	0
Not Rated [Domain] | Commercial mortgage-related securities | Government National Mortgage Association (GNMA) [Member]
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	0	0
AAA
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	3,054,635	3,034,630
AAA | US Treasury Securities
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	999	999
AAA | US States and Political Subdivisions Debt Securities [Member]
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	807,729	806,529
AAA | Residential Related Securities | FNMA/FHLMC
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	981,065	961,231
AAA | Residential Related Securities | Government National Mortgage Association (GNMA) [Member]
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	53,298	52,979
AAA | Mortgage-backed Securities, Issued by Private Enterprises [Member]
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	361,170	364,728
AAA | Commercial mortgage-related securities | FNMA/FHLMC
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	785,516	778,796
AAA | Commercial mortgage-related securities | Government National Mortgage Association (GNMA) [Member]
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	64,859	69,369
AA
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	903,689	917,059
AA | US Treasury Securities
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	0	0
AA | US States and Political Subdivisions Debt Securities [Member]
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	903,689	917,059
AA | Residential Related Securities | FNMA/FHLMC
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	0	0
AA | Residential Related Securities | Government National Mortgage Association (GNMA) [Member]
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	0	0
AA | Mortgage-backed Securities, Issued by Private Enterprises [Member]
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	0	0
AA | Commercial mortgage-related securities | FNMA/FHLMC
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	0	0
AA | Commercial mortgage-related securities | Government National Mortgage Association (GNMA) [Member]
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	0	0
A
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	7,602	7,604
A | US Treasury Securities
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	0	0
A | US States and Political Subdivisions Debt Securities [Member]
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	7,602	7,604
A | Residential Related Securities | FNMA/FHLMC
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	0	0
A | Residential Related Securities | Government National Mortgage Association (GNMA) [Member]
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	0	0
A | Mortgage-backed Securities, Issued by Private Enterprises [Member]
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	0	0
A | Commercial mortgage-related securities | FNMA/FHLMC
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	0	0
A | Commercial mortgage-related securities | Government National Mortgage Association (GNMA) [Member]
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	$ 0	$ 0

XML

Investment Securities Gain/Loss Sale of Securities (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Investments, Debt and Equity Securities [Abstract]
Gross gains on AFS securities	$ 0	$ 21
Gain on sale and net write-up of equity securities	51	0
Investment securities gains (losses), net	51	21
Proceeds from sales of AFS investment securities	$ 0	$ 734

XML

Investment Securities, AFS and HTM Securities Gross Unrealized Losses (Details) $ in Thousands	Mar. 31, 2023 USD ($) security	Dec. 31, 2022 USD ($) security
Schedule of Available-for-sale and Held-to-maturity Securities [Line Items]
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Number of Positions | security	240	446
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	$ (8,299)	$ (48,263)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	$ 558,647	$ 847,391
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions | security	238	121
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	$ (218,084)	$ (207,575)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	1,942,255	1,576,665
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	(226,383)	(255,837)
Debt Securities, Available-for-sale, Unrealized Loss Position	2,500,901	2,424,055
HTM investment securities
Unrealized losses on held to maturity securities, less than 12 months	(11,120)	(134,556)
Fair value of unrealized losses on held to maturity securities, less than 12 months	566,017	1,381,511
Unrealized losses on held to maturity securities, 12 months or more	(536,229)	(485,855)
Fair value of unrealized losses on held to maturity securities, 12 months or more	2,384,794	1,752,354
Total unrealized losses on held to maturity securities	(547,349)	(620,411)
Total fair value of unrealized losses on held to maturity securities	$ 2,950,811	$ 3,133,865
US Treasury Securities
Schedule of Available-for-sale and Held-to-maturity Securities [Line Items]
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Number of Positions | security	0	0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	$ 0	$ 0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	$ 0	$ 0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions | security	7	7
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	$ (12,735)	$ (15,063)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	111,743	109,378
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	(12,735)	(15,063)
Debt Securities, Available-for-sale, Unrealized Loss Position	111,743	109,378
HTM investment securities
Unrealized losses on held to maturity securities, less than 12 months	0	(62)
Fair value of unrealized losses on held to maturity securities, less than 12 months	0	936
Unrealized losses on held to maturity securities, 12 months or more	(51)	0
Fair value of unrealized losses on held to maturity securities, 12 months or more	947	0
Total unrealized losses on held to maturity securities	(51)	(62)
Total fair value of unrealized losses on held to maturity securities	$ 947	$ 936
Agency Securities
Schedule of Available-for-sale and Held-to-maturity Securities [Line Items]
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Number of Positions | security	0	0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	$ 0	$ 0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	$ 0	$ 0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions | security	1	1
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	$ (1,271)	$ (1,468)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	13,730	13,532
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	(1,271)	(1,468)
Debt Securities, Available-for-sale, Unrealized Loss Position	$ 13,730	$ 13,532
US States and Political Subdivisions Debt Securities [Member]
Schedule of Available-for-sale and Held-to-maturity Securities [Line Items]
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Number of Positions | security	189	358
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	$ (1,025)	$ (5,066)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	$ 111,529	$ 201,260
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions | security	72	4
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	$ (1,037)	$ (8)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	40,199	1,916
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	(2,063)	(5,074)
Debt Securities, Available-for-sale, Unrealized Loss Position	151,727	203,176
HTM investment securities
Unrealized losses on held to maturity securities, less than 12 months	(7,598)	(96,282)
Fair value of unrealized losses on held to maturity securities, less than 12 months	454,461	1,079,216
Unrealized losses on held to maturity securities, 12 months or more	(138,946)	(86,415)
Fair value of unrealized losses on held to maturity securities, 12 months or more	614,842	231,022
Total unrealized losses on held to maturity securities	(146,544)	(182,697)
Total fair value of unrealized losses on held to maturity securities	1,069,304	1,310,238
Mortgage-backed Securities, Issued by Private Enterprises [Member]
HTM investment securities
Unrealized losses on held to maturity securities, less than 12 months	0	(9,509)
Fair value of unrealized losses on held to maturity securities, less than 12 months	0	58,733
Unrealized losses on held to maturity securities, 12 months or more	(71,147)	(63,411)
Fair value of unrealized losses on held to maturity securities, 12 months or more	301,265	244,772
Total unrealized losses on held to maturity securities	(71,147)	(72,920)
Total fair value of unrealized losses on held to maturity securities	$ 301,265	$ 303,505
Federal Family Education Loan Program (FFELP) Guaranteed Loans [Member]
Schedule of Available-for-sale and Held-to-maturity Securities [Line Items]
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Number of Positions | security	0	3
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	$ 0	$ (1,668)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	$ 0	$ 44,304
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions | security	15	12
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	$ (4,791)	$ (4,278)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	143,084	106,887
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	(4,791)	(5,947)
Debt Securities, Available-for-sale, Unrealized Loss Position	$ 143,084	$ 151,191
US Government-sponsored Enterprises Debt Securities [Member]
Schedule of Available-for-sale and Held-to-maturity Securities [Line Items]
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Number of Positions | security	2	2
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	$ (1)	$ (1)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	$ 331	$ 417
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions | security	6	6
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	$ (49)	$ (50)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	1,755	2,057
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	(50)	(51)
Debt Securities, Available-for-sale, Unrealized Loss Position	$ 2,087	$ 2,474
Other Debt securities
Schedule of Available-for-sale and Held-to-maturity Securities [Line Items]
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Number of Positions | security	1	2
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	$ (31)	$ (30)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	$ 969	$ 1,970
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions | security	2	1
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	$ (51)	$ (49)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	1,949	951
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	(82)	(78)
Debt Securities, Available-for-sale, Unrealized Loss Position	$ 2,918	$ 2,922
FNMA/FHLMC | Residential Related Securities
Schedule of Available-for-sale and Held-to-maturity Securities [Line Items]
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Number of Positions | security	12	24
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	$ (3,619)	$ (31,266)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	$ 51,021	$ 260,986
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions | security	96	84
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	$ (190,909)	$ (185,170)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	1,504,384	1,321,420
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	(194,529)	(216,436)
Debt Securities, Available-for-sale, Unrealized Loss Position	1,555,405	1,582,406
HTM investment securities
Unrealized losses on held to maturity securities, less than 12 months	(2,881)	(18,925)
Fair value of unrealized losses on held to maturity securities, less than 12 months	75,386	143,201
Unrealized losses on held to maturity securities, 12 months or more	(160,633)	(156,836)
Fair value of unrealized losses on held to maturity securities, 12 months or more	762,280	671,570
Total unrealized losses on held to maturity securities	(163,514)	(175,760)
Total fair value of unrealized losses on held to maturity securities	$ 837,666	$ 814,770
FNMA/FHLMC | Commercial mortgage-related securities
Schedule of Available-for-sale and Held-to-maturity Securities [Line Items]
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Number of Positions | security	0	1
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	$ 0	$ (1,896)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	$ 0	$ 17,142
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions | security	1	0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	$ (1,335)	$ 0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	17,618	0
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	(1,335)	(1,896)
Debt Securities, Available-for-sale, Unrealized Loss Position	17,618	17,142
HTM investment securities
Unrealized losses on held to maturity securities, less than 12 months	(473)	(3,814)
Fair value of unrealized losses on held to maturity securities, less than 12 months	29,658	20,338
Unrealized losses on held to maturity securities, 12 months or more	(155,897)	(174,467)
Fair value of unrealized losses on held to maturity securities, 12 months or more	614,153	576,911
Total unrealized losses on held to maturity securities	(156,369)	(178,281)
Total fair value of unrealized losses on held to maturity securities	$ 643,811	$ 597,249
Government National Mortgage Association (GNMA) [Member] | Residential Related Securities
Schedule of Available-for-sale and Held-to-maturity Securities [Line Items]
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Number of Positions | security	23	23
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	$ (2,583)	$ (4,415)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	$ 294,212	$ 220,276
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions | security	9	2
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	$ (1,844)	$ (840)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	33,128	11,096
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	(4,427)	(5,255)
Debt Securities, Available-for-sale, Unrealized Loss Position	327,340	231,372
HTM investment securities
Unrealized losses on held to maturity securities, less than 12 months	(168)	(3,436)
Fair value of unrealized losses on held to maturity securities, less than 12 months	6,511	44,476
Unrealized losses on held to maturity securities, 12 months or more	(2,729)	0
Fair value of unrealized losses on held to maturity securities, 12 months or more	32,771	0
Total unrealized losses on held to maturity securities	(2,897)	(3,436)
Total fair value of unrealized losses on held to maturity securities	$ 39,282	$ 44,476
Government National Mortgage Association (GNMA) [Member] | Commercial mortgage-related securities
Schedule of Available-for-sale and Held-to-maturity Securities [Line Items]
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Number of Positions | security	13	33
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	$ (1,039)	$ (3,920)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	$ 100,585	$ 101,036
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions | security	29	4
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	$ (4,062)	$ (649)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	74,665	9,426
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	(5,101)	(4,569)
Debt Securities, Available-for-sale, Unrealized Loss Position	175,250	110,462
HTM investment securities
Unrealized losses on held to maturity securities, less than 12 months	0	(2,528)
Fair value of unrealized losses on held to maturity securities, less than 12 months	0	34,612
Unrealized losses on held to maturity securities, 12 months or more	(6,826)	(4,726)
Fair value of unrealized losses on held to maturity securities, 12 months or more	58,536	28,080
Total unrealized losses on held to maturity securities	(6,826)	(7,254)
Total fair value of unrealized losses on held to maturity securities	$ 58,536	$ 62,691
Held to maturity, number of securities, less than 12 months
HTM investment securities
Number of held to maturity securities in a continuous unrealized loss position | security	394	947
Held to maturity, number of securities, less than 12 months | US Treasury Securities
HTM investment securities
Number of held to maturity securities in a continuous unrealized loss position | security	0	1
Held to maturity, number of securities, less than 12 months | US States and Political Subdivisions Debt Securities [Member]
HTM investment securities
Number of held to maturity securities in a continuous unrealized loss position | security	311	771
Held to maturity, number of securities, less than 12 months | Mortgage-backed Securities, Issued by Private Enterprises [Member]
HTM investment securities
Number of held to maturity securities in a continuous unrealized loss position | security	0	3
Held to maturity, number of securities, less than 12 months | FNMA/FHLMC | Residential Related Securities
HTM investment securities
Number of held to maturity securities in a continuous unrealized loss position | security	63	79
Held to maturity, number of securities, less than 12 months | FNMA/FHLMC | Commercial mortgage-related securities
HTM investment securities
Number of held to maturity securities in a continuous unrealized loss position | security	4	4
Held to maturity, number of securities, less than 12 months | Government National Mortgage Association (GNMA) [Member] | Residential Related Securities
HTM investment securities
Number of held to maturity securities in a continuous unrealized loss position | security	16	81
Held to maturity, number of securities, less than 12 months | Government National Mortgage Association (GNMA) [Member] | Commercial mortgage-related securities
HTM investment securities
Number of held to maturity securities in a continuous unrealized loss position | security	0	8
Held to maturity, number of securities, 12 months or more
HTM investment securities
Number of held to maturity securities in a continuous unrealized loss position | security	587	238
Held to maturity, number of securities, 12 months or more | US Treasury Securities
HTM investment securities
Number of held to maturity securities in a continuous unrealized loss position | security	1	0
Held to maturity, number of securities, 12 months or more | US States and Political Subdivisions Debt Securities [Member]
HTM investment securities
Number of held to maturity securities in a continuous unrealized loss position | security	400	156
Held to maturity, number of securities, 12 months or more | Mortgage-backed Securities, Issued by Private Enterprises [Member]
HTM investment securities
Number of held to maturity securities in a continuous unrealized loss position | security	18	15
Held to maturity, number of securities, 12 months or more | FNMA/FHLMC | Residential Related Securities
HTM investment securities
Number of held to maturity securities in a continuous unrealized loss position | security	50	22
Held to maturity, number of securities, 12 months or more | FNMA/FHLMC | Commercial mortgage-related securities
HTM investment securities
Number of held to maturity securities in a continuous unrealized loss position | security	41	39
Held to maturity, number of securities, 12 months or more | Government National Mortgage Association (GNMA) [Member] | Residential Related Securities
HTM investment securities
Number of held to maturity securities in a continuous unrealized loss position | security	63	0
Held to maturity, number of securities, 12 months or more | Government National Mortgage Association (GNMA) [Member] | Commercial mortgage-related securities
HTM investment securities
Number of held to maturity securities in a continuous unrealized loss position | security	14	6

XML

Investment Securities (Details Textual) - USD ($)	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Investment Securities Information [Line Items]
Proceeds from sales of AFS investment securities	$ 0	$ 734,000
Debt Instrument, Collateral Amount	2,200,000,000		$ 2,300,000,000
Interest receivable	152,404,000		144,449,000
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	(25,000)		(54,000)
Federal Home Loan Bank Stock	245,000,000		209,000,000
Federal Reserve Bank Stock	87,000,000		87,000,000
Equity securities with readily determinable fair values, Fair Value	6,000,000		6,000,000
Equity Securities without Readily Determinable Fair Value, Amount	24,228,000		19,225,000
Held-to-maturity Securities [Member]
Investment Securities Information [Line Items]
Interest receivable	16,000,000		19,000,000
Available-for-sale Securities [Member]
Investment Securities Information [Line Items]
Interest receivable	12,000,000		9,000,000
Federal Home Loan Bank Certificates and Obligations (FHLB) [Member]
Investment Securities Information [Line Items]
Interest receivable	4,000,000		3,000,000
Federal Reserve Bank Stock [Member]
Investment Securities Information [Line Items]
Interest receivable	776,000		0
US Treasury Securities
Investment Securities Information [Line Items]
Held to maturity allowance for credit loss	0		0
US States and Political Subdivisions Debt Securities [Member]
Investment Securities Information [Line Items]
Held to maturity allowance for credit loss	0		0
Agency mortgage-related securities
Investment Securities Information [Line Items]
Held to maturity allowance for credit loss	$ 0		$ 0

XML

Loans Composition (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Loans and Leases Receivable Disclosure [Line Items]
Loans	$ 29,207,072	$ 28,799,569
Asset-based lending & equipment finance
Loans and Leases Receivable Disclosure [Line Items]
Loans	522,834	458,887
Commercial and industrial
Loans and Leases Receivable Disclosure [Line Items]
Loans	9,346,947	9,300,567
Commercial real estate — owner occupied
Loans and Leases Receivable Disclosure [Line Items]
Loans	1,050,236	991,722
Commercial and business lending
Loans and Leases Receivable Disclosure [Line Items]
Loans	10,920,017	10,751,176
Commercial real estate — investor
Loans and Leases Receivable Disclosure [Line Items]
Loans	5,094,249	5,080,344
Real estate construction
Loans and Leases Receivable Disclosure [Line Items]
Loans	2,147,070	2,155,222
Commercial real estate lending
Loans and Leases Receivable Disclosure [Line Items]
Loans	7,241,318	7,235,565
Total commercial
Loans and Leases Receivable Disclosure [Line Items]
Loans	18,161,335	17,986,742
Residential mortgage
Loans and Leases Receivable Disclosure [Line Items]
Loans	8,605,164	8,511,550
Auto finance
Loans and Leases Receivable Disclosure [Line Items]
Loans	1,551,538	1,382,073
Home equity
Loans and Leases Receivable Disclosure [Line Items]
Loans	609,787	624,353
Other consumer
Loans and Leases Receivable Disclosure [Line Items]
Loans	279,248	294,851
Total consumer
Loans and Leases Receivable Disclosure [Line Items]
Loans	$ 11,045,737	$ 10,812,828

XML

Loans, Credit Quality Indicator by Vintage Year (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Dec. 31, 2022
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	$ 12,390	$ 53,246
Financing Receivable, Revolving	3,047,870	2,915,297
Financing Receivable, Originated in Current Fiscal Year	1,213,182	8,854,510
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	8,807,663	7,341,574
Financing Receivable, Originated Two Years before Latest Fiscal Year	7,135,000	3,469,992
Financing Receivable, Originated Three Years before Latest Fiscal Year	3,190,512	2,201,004
Financing Receivable, Originated Four Years before Latest Fiscal Year	2,046,450	1,082,280
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	3,766,395	2,934,912
Total	29,207,072	28,799,569
Financing Receivable, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
Financing Receivable, Revolving, Writeoff	1,739
Financing Receivable, Year One, Originated, Current Fiscal Year, Writeoff	0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff	1,189
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff	263
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff	17
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff	29
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Writeoff	2,264
Charge offs	5,501
Pass [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	2,334	47,152
Financing Receivable, Revolving	2,920,518	2,795,551
Financing Receivable, Originated in Current Fiscal Year	1,160,532	8,711,468
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	8,608,857	7,226,734
Financing Receivable, Originated Two Years before Latest Fiscal Year	6,980,494	3,377,725
Financing Receivable, Originated Three Years before Latest Fiscal Year	3,121,688	2,101,861
Financing Receivable, Originated Four Years before Latest Fiscal Year	2,014,384	1,047,522
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	3,654,303	2,834,303
Total	28,460,776	28,095,164
Special Mention [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	19	52
Financing Receivable, Revolving	87,335	93,801
Financing Receivable, Originated in Current Fiscal Year	18,545	66,443
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	123,869	48,159
Financing Receivable, Originated Two Years before Latest Fiscal Year	53,560	20,772
Financing Receivable, Originated Three Years before Latest Fiscal Year	27,027	43,983
Financing Receivable, Originated Four Years before Latest Fiscal Year	25,189	9,778
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	34,497	43,350
Total	370,023	326,286
Potential Problem [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	141	447
Financing Receivable, Revolving	39,951	25,889
Financing Receivable, Originated in Current Fiscal Year	33,818	59,240
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	59,120	36,709
Financing Receivable, Originated Two Years before Latest Fiscal Year	61,903	56,016
Financing Receivable, Originated Three Years before Latest Fiscal Year	24,739	51,043
Financing Receivable, Originated Four Years before Latest Fiscal Year	2,253	19,637
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	36,919	18,118
Total	258,704	266,651
Nonaccrual Loan [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	9,896	5,595
Financing Receivable, Revolving	65	56
Financing Receivable, Originated in Current Fiscal Year	287	17,360
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	15,816	29,972
Financing Receivable, Originated Two Years before Latest Fiscal Year	39,044	15,479
Financing Receivable, Originated Three Years before Latest Fiscal Year	17,058	4,116
Financing Receivable, Originated Four Years before Latest Fiscal Year	4,624	5,343
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	40,675	39,141
Total	117,569	111,467
Total commercial
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	9,707	44,208
Financing Receivable, Revolving	2,361,089	2,206,480
Financing Receivable, Originated in Current Fiscal Year	886,324	6,122,430
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	6,060,562	5,034,805
Financing Receivable, Originated Two Years before Latest Fiscal Year	4,798,955	1,741,955
Financing Receivable, Originated Three Years before Latest Fiscal Year	1,489,566	1,370,245
Financing Receivable, Originated Four Years before Latest Fiscal Year	1,235,396	698,550
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	1,329,444	812,278
Total	18,161,335	17,986,742
Financing Receivable, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
Financing Receivable, Revolving, Writeoff	823
Financing Receivable, Year One, Originated, Current Fiscal Year, Writeoff	0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff	0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff	0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff	0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Writeoff	2,152
Charge offs	(2,975)
Total commercial | Pass [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	71	39,835
Financing Receivable, Revolving	2,234,544	2,087,396
Financing Receivable, Originated in Current Fiscal Year	834,103	5,990,879
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	5,872,988	4,924,743
Financing Receivable, Originated Two Years before Latest Fiscal Year	4,649,837	1,656,149
Financing Receivable, Originated Three Years before Latest Fiscal Year	1,429,370	1,275,996
Financing Receivable, Originated Four Years before Latest Fiscal Year	1,208,578	669,213
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	1,258,628	750,399
Total	17,488,047	17,354,774
Total commercial | Special Mention [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0	0
Financing Receivable, Revolving	86,593	93,209
Financing Receivable, Originated in Current Fiscal Year	18,454	65,379
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	122,689	47,756
Financing Receivable, Originated Two Years before Latest Fiscal Year	53,408	20,671
Financing Receivable, Originated Three Years before Latest Fiscal Year	26,929	43,978
Financing Receivable, Originated Four Years before Latest Fiscal Year	25,151	9,732
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	33,775	42,952
Total	366,999	323,677
Total commercial | Potential Problem [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	128	447
Financing Receivable, Revolving	39,951	25,874
Financing Receivable, Originated in Current Fiscal Year	33,760	58,785
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	58,708	36,638
Financing Receivable, Originated Two Years before Latest Fiscal Year	61,354	56,016
Financing Receivable, Originated Three Years before Latest Fiscal Year	24,739	50,271
Financing Receivable, Originated Four Years before Latest Fiscal Year	1,668	19,606
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	36,596	17,287
Total	256,776	264,476
Total commercial | Nonaccrual Loan [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	9,508	3,926
Financing Receivable, Revolving	0	0
Financing Receivable, Originated in Current Fiscal Year	8	7,387
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	6,177	25,668
Financing Receivable, Originated Two Years before Latest Fiscal Year	34,355	9,119
Financing Receivable, Originated Three Years before Latest Fiscal Year	8,528	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	445	1,640
Total	49,513	43,814
Total commercial | Asset-based lending & equipment finance
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0	0
Financing Receivable, Revolving	60,256	47,446
Financing Receivable, Originated in Current Fiscal Year	55,535	270,706
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	263,471	121,914
Financing Receivable, Originated Two Years before Latest Fiscal Year	125,609	18,082
Financing Receivable, Originated Three Years before Latest Fiscal Year	17,420	653
Financing Receivable, Originated Four Years before Latest Fiscal Year	543	85
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0	0
Total	522,834	458,887
Total commercial | Asset-based lending & equipment finance | Pass [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0	0
Financing Receivable, Revolving	60,256	47,446
Financing Receivable, Originated in Current Fiscal Year	55,535	269,258
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	262,074	121,914
Financing Receivable, Originated Two Years before Latest Fiscal Year	125,609	1,832
Financing Receivable, Originated Three Years before Latest Fiscal Year	1,420	653
Financing Receivable, Originated Four Years before Latest Fiscal Year	543	85
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0	0
Total	505,437	441,189
Total commercial | Asset-based lending & equipment finance | Potential Problem [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0	0
Financing Receivable, Revolving	0	0
Financing Receivable, Originated in Current Fiscal Year	0	1,448
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,396	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0	16,250
Financing Receivable, Originated Three Years before Latest Fiscal Year	16,000	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0	0
Total	17,396	17,698
Total commercial | Commercial and Industrial Sector
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	9,698	5,796
Financing Receivable, Revolving	2,130,000	2,009,089
Financing Receivable, Originated in Current Fiscal Year	338,716	3,024,861
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	2,942,451	2,272,895
Financing Receivable, Originated Two Years before Latest Fiscal Year	2,169,643	580,757
Financing Receivable, Originated Three Years before Latest Fiscal Year	483,571	610,636
Financing Receivable, Originated Four Years before Latest Fiscal Year	558,983	330,794
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	723,583	471,535
Total	9,346,947	9,300,567
Financing Receivable, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
Financing Receivable, Revolving, Writeoff	823
Financing Receivable, Year One, Originated, Current Fiscal Year, Writeoff	0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff	0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff	0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff	0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Writeoff	2,152
Charge offs	(2,975)
Total commercial | Commercial and Industrial Sector | Pass [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	71	1,423
Financing Receivable, Revolving	2,003,455	1,891,331
Financing Receivable, Originated in Current Fiscal Year	332,572	2,976,288
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	2,872,816	2,245,094
Financing Receivable, Originated Two Years before Latest Fiscal Year	2,101,488	566,001
Financing Receivable, Originated Three Years before Latest Fiscal Year	467,455	572,467
Financing Receivable, Originated Four Years before Latest Fiscal Year	558,852	330,557
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	685,216	432,906
Total	9,021,853	9,014,644
Total commercial | Commercial and Industrial Sector | Special Mention [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0	0
Financing Receivable, Revolving	86,593	93,209
Financing Receivable, Originated in Current Fiscal Year	0	3,411
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	30,540	23,607
Financing Receivable, Originated Two Years before Latest Fiscal Year	31,161	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	2,913	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0	19
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	33,501	32,497
Total	184,709	152,744
Total commercial | Commercial and Industrial Sector | Potential Problem [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	128	447
Financing Receivable, Revolving	39,951	24,549
Financing Receivable, Originated in Current Fiscal Year	6,145	39,952
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	34,388	4,193
Financing Receivable, Originated Two Years before Latest Fiscal Year	27,494	5,637
Financing Receivable, Originated Three Years before Latest Fiscal Year	4,675	38,169
Financing Receivable, Originated Four Years before Latest Fiscal Year	132	218
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	4,865	6,133
Total	117,650	118,851
Total commercial | Commercial and Industrial Sector | Nonaccrual Loan [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	9,500	3,926
Financing Receivable, Revolving	0	0
Financing Receivable, Originated in Current Fiscal Year	0	5,210
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	4,707	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	9,500	9,119
Financing Receivable, Originated Three Years before Latest Fiscal Year	8,528	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0	0
Total	22,735	14,329
Total commercial | Commercial real estate — owner occupied
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	8	0
Financing Receivable, Revolving	22,344	13,772
Financing Receivable, Originated in Current Fiscal Year	89,914	212,883
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	208,269	236,769
Financing Receivable, Originated Two Years before Latest Fiscal Year	245,950	170,624
Financing Receivable, Originated Three Years before Latest Fiscal Year	157,555	172,630
Financing Receivable, Originated Four Years before Latest Fiscal Year	162,667	83,570
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	163,536	101,475
Total	1,050,236	991,722
Total commercial | Commercial real estate — owner occupied | Pass [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0	0
Financing Receivable, Revolving	22,344	12,447
Financing Receivable, Originated in Current Fiscal Year	87,095	211,645
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	205,922	225,627
Financing Receivable, Originated Two Years before Latest Fiscal Year	234,300	163,965
Financing Receivable, Originated Three Years before Latest Fiscal Year	150,009	160,370
Financing Receivable, Originated Four Years before Latest Fiscal Year	152,649	73,487
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	151,106	97,420
Total	1,003,424	944,961
Total commercial | Commercial real estate — owner occupied | Special Mention [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0	0
Financing Receivable, Revolving	0	0
Financing Receivable, Originated in Current Fiscal Year	0	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0	1,136
Financing Receivable, Originated Three Years before Latest Fiscal Year	3,483	1,491
Financing Receivable, Originated Four Years before Latest Fiscal Year	9,500	9,713
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	274	0
Total	13,257	12,339
Total commercial | Commercial real estate — owner occupied | Potential Problem [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0	0
Financing Receivable, Revolving	0	1,325
Financing Receivable, Originated in Current Fiscal Year	2,812	1,238
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	877	11,141
Financing Receivable, Originated Two Years before Latest Fiscal Year	11,651	5,523
Financing Receivable, Originated Three Years before Latest Fiscal Year	4,064	10,769
Financing Receivable, Originated Four Years before Latest Fiscal Year	518	370
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	12,156	4,055
Total	32,077	34,422
Total commercial | Commercial real estate — owner occupied | Nonaccrual Loan [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	8
Financing Receivable, Revolving	0
Financing Receivable, Originated in Current Fiscal Year	8
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,470
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	1,478
Total commercial | Commercial and business lending
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	9,707	5,796
Financing Receivable, Revolving	2,212,600	2,070,307
Financing Receivable, Originated in Current Fiscal Year	484,166	3,508,450
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	3,414,190	2,631,578
Financing Receivable, Originated Two Years before Latest Fiscal Year	2,541,203	769,463
Financing Receivable, Originated Three Years before Latest Fiscal Year	658,546	783,919
Financing Receivable, Originated Four Years before Latest Fiscal Year	722,194	414,449
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	887,119	573,010
Total	10,920,017	10,751,176
Financing Receivable, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
Financing Receivable, Revolving, Writeoff	823
Financing Receivable, Year One, Originated, Current Fiscal Year, Writeoff	0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff	0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff	0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff	0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Writeoff	2,152
Charge offs	(2,975)
Total commercial | Commercial and business lending | Pass [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	71	1,423
Financing Receivable, Revolving	2,086,055	1,951,224
Financing Receivable, Originated in Current Fiscal Year	475,201	3,457,191
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	3,340,812	2,592,636
Financing Receivable, Originated Two Years before Latest Fiscal Year	2,461,397	731,798
Financing Receivable, Originated Three Years before Latest Fiscal Year	618,883	733,490
Financing Receivable, Originated Four Years before Latest Fiscal Year	712,044	404,129
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	836,323	530,326
Total	10,530,715	10,400,794
Total commercial | Commercial and business lending | Special Mention [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0	0
Financing Receivable, Revolving	86,593	93,209
Financing Receivable, Originated in Current Fiscal Year	0	3,411
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	30,540	23,607
Financing Receivable, Originated Two Years before Latest Fiscal Year	31,161	1,136
Financing Receivable, Originated Three Years before Latest Fiscal Year	6,396	1,491
Financing Receivable, Originated Four Years before Latest Fiscal Year	9,500	9,732
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	33,775	32,497
Total	197,965	165,083
Total commercial | Commercial and business lending | Potential Problem [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	128	447
Financing Receivable, Revolving	39,951	25,874
Financing Receivable, Originated in Current Fiscal Year	8,956	42,638
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	36,661	15,335
Financing Receivable, Originated Two Years before Latest Fiscal Year	39,145	27,410
Financing Receivable, Originated Three Years before Latest Fiscal Year	24,739	48,938
Financing Receivable, Originated Four Years before Latest Fiscal Year	649	589
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	17,021	10,188
Total	167,124	170,971
Total commercial | Commercial and business lending | Nonaccrual Loan [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	9,508	3,926
Financing Receivable, Revolving	0	0
Financing Receivable, Originated in Current Fiscal Year	8	5,210
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	6,177	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	9,500	9,119
Financing Receivable, Originated Three Years before Latest Fiscal Year	8,528	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0	0
Total	24,213	14,329
Total commercial | Commercial real estate — investor
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0	38,412
Financing Receivable, Revolving	118,873	106,280
Financing Receivable, Originated in Current Fiscal Year	367,555	1,713,387
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,620,454	1,490,120
Financing Receivable, Originated Two Years before Latest Fiscal Year	1,445,246	718,117
Financing Receivable, Originated Three Years before Latest Fiscal Year	620,991	541,177
Financing Receivable, Originated Four Years before Latest Fiscal Year	490,042	281,875
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	431,088	229,387
Total	5,094,249	5,080,344
Total commercial | Commercial real estate — investor | Pass [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0	38,412
Financing Receivable, Revolving	118,873	106,280
Financing Receivable, Originated in Current Fiscal Year	324,298	1,633,094
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,506,258	1,419,000
Financing Receivable, Originated Two Years before Latest Fiscal Year	1,375,935	683,121
Financing Receivable, Originated Three Years before Latest Fiscal Year	612,765	530,444
Financing Receivable, Originated Four Years before Latest Fiscal Year	489,024	262,858
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	411,246	210,299
Total	4,838,398	4,845,096
Total commercial | Commercial real estate — investor | Special Mention [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0	0
Financing Receivable, Revolving	0	0
Financing Receivable, Originated in Current Fiscal Year	18,454	61,968
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	92,149	24,149
Financing Receivable, Originated Two Years before Latest Fiscal Year	22,247	7,361
Financing Receivable, Originated Three Years before Latest Fiscal Year	8,225	9,400
Financing Receivable, Originated Four Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0	10,455
Total	141,075	113,333
Total commercial | Commercial real estate — investor | Potential Problem [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0	0
Financing Receivable, Revolving	0	0
Financing Receivable, Originated in Current Fiscal Year	24,803	16,147
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	22,047	21,303
Financing Receivable, Originated Two Years before Latest Fiscal Year	22,209	27,635
Financing Receivable, Originated Three Years before Latest Fiscal Year	0	1,333
Financing Receivable, Originated Four Years before Latest Fiscal Year	1,019	19,017
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	19,575	7,099
Total	89,653	92,535
Total commercial | Commercial real estate — investor | Nonaccrual Loan [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0	0
Financing Receivable, Revolving	0	0
Financing Receivable, Originated in Current Fiscal Year	0	2,177
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0	25,668
Financing Receivable, Originated Two Years before Latest Fiscal Year	24,855	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	267	1,535
Total	25,122	29,380
Total commercial | Real Estate Construction
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0	0
Financing Receivable, Revolving	29,616	29,892
Financing Receivable, Originated in Current Fiscal Year	34,604	900,593
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,025,918	913,107
Financing Receivable, Originated Two Years before Latest Fiscal Year	812,505	254,374
Financing Receivable, Originated Three Years before Latest Fiscal Year	210,030	45,149
Financing Receivable, Originated Four Years before Latest Fiscal Year	23,160	2,226
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	11,237	9,880
Total	2,147,070	2,155,222
Total commercial | Real Estate Construction | Pass [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0	0
Financing Receivable, Revolving	29,616	29,892
Financing Receivable, Originated in Current Fiscal Year	34,604	900,593
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,025,918	913,107
Financing Receivable, Originated Two Years before Latest Fiscal Year	812,505	241,230
Financing Receivable, Originated Three Years before Latest Fiscal Year	197,722	12,062
Financing Receivable, Originated Four Years before Latest Fiscal Year	7,510	2,226
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	11,059	9,775
Total	2,118,934	2,108,885
Total commercial | Real Estate Construction | Special Mention [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0	0
Financing Receivable, Revolving	0	0
Financing Receivable, Originated in Current Fiscal Year	0	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0	12,174
Financing Receivable, Originated Three Years before Latest Fiscal Year	12,308	33,087
Financing Receivable, Originated Four Years before Latest Fiscal Year	15,651	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0	0
Total	27,958	45,261
Total commercial | Real Estate Construction | Potential Problem [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan		0
Financing Receivable, Revolving		0
Financing Receivable, Originated in Current Fiscal Year		0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year		0
Financing Receivable, Originated Two Years before Latest Fiscal Year		970
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		970
Total commercial | Real Estate Construction | Nonaccrual Loan [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0	0
Financing Receivable, Revolving	0	0
Financing Receivable, Originated in Current Fiscal Year	0	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	178	105
Total	178	105
Total commercial | Commercial Real Estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0	38,412
Financing Receivable, Revolving	148,489	136,173
Financing Receivable, Originated in Current Fiscal Year	402,159	2,613,980
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	2,646,372	2,403,227
Financing Receivable, Originated Two Years before Latest Fiscal Year	2,257,752	972,492
Financing Receivable, Originated Three Years before Latest Fiscal Year	831,020	586,326
Financing Receivable, Originated Four Years before Latest Fiscal Year	513,203	284,101
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	442,325	239,267
Total	7,241,318	7,235,565
Total commercial | Commercial Real Estate | Pass [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0	38,412
Financing Receivable, Revolving	148,489	136,173
Financing Receivable, Originated in Current Fiscal Year	358,901	2,533,687
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	2,532,176	2,332,107
Financing Receivable, Originated Two Years before Latest Fiscal Year	2,188,440	924,351
Financing Receivable, Originated Three Years before Latest Fiscal Year	810,487	542,505
Financing Receivable, Originated Four Years before Latest Fiscal Year	496,533	265,083
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	422,305	220,073
Total	6,957,332	6,953,981
Total commercial | Commercial Real Estate | Special Mention [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0	0
Financing Receivable, Revolving	0	0
Financing Receivable, Originated in Current Fiscal Year	18,454	61,968
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	92,149	24,149
Financing Receivable, Originated Two Years before Latest Fiscal Year	22,247	19,535
Financing Receivable, Originated Three Years before Latest Fiscal Year	20,533	42,487
Financing Receivable, Originated Four Years before Latest Fiscal Year	15,651	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0	10,455
Total	169,033	158,595
Total commercial | Commercial Real Estate | Potential Problem [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0	0
Financing Receivable, Revolving	0	0
Financing Receivable, Originated in Current Fiscal Year	24,803	16,147
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	22,047	21,303
Financing Receivable, Originated Two Years before Latest Fiscal Year	22,209	28,605
Financing Receivable, Originated Three Years before Latest Fiscal Year	0	1,333
Financing Receivable, Originated Four Years before Latest Fiscal Year	1,019	19,017
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	19,575	7,099
Total	89,653	93,505
Total commercial | Commercial Real Estate | Nonaccrual Loan [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0	0
Financing Receivable, Revolving	0	0
Financing Receivable, Originated in Current Fiscal Year	0	2,177
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0	25,668
Financing Receivable, Originated Two Years before Latest Fiscal Year	24,855	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	445	1,640
Total	25,300	29,485
Total consumer
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	2,683	9,038
Financing Receivable, Revolving	686,781	708,817
Financing Receivable, Originated in Current Fiscal Year	326,858	2,732,080
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	2,747,101	2,306,769
Financing Receivable, Originated Two Years before Latest Fiscal Year	2,336,046	1,728,037
Financing Receivable, Originated Three Years before Latest Fiscal Year	1,700,946	830,759
Financing Receivable, Originated Four Years before Latest Fiscal Year	811,054	383,731
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	2,436,951	2,122,635
Total	11,045,737	10,812,828
Financing Receivable, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
Financing Receivable, Revolving, Writeoff	916
Financing Receivable, Year One, Originated, Current Fiscal Year, Writeoff	0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff	1,189
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff	263
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff	17
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff	29
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Writeoff	112
Charge offs	(2,525)
Total consumer | Pass [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	2,263	7,318
Financing Receivable, Revolving	685,974	708,154
Financing Receivable, Originated in Current Fiscal Year	326,429	2,720,589
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	2,735,869	2,301,991
Financing Receivable, Originated Two Years before Latest Fiscal Year	2,330,657	1,721,576
Financing Receivable, Originated Three Years before Latest Fiscal Year	1,692,318	825,866
Financing Receivable, Originated Four Years before Latest Fiscal Year	805,806	378,310
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	2,395,676	2,083,904
Total	10,972,729	10,740,390
Total consumer | Special Mention [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	19	52
Financing Receivable, Revolving	742	592
Financing Receivable, Originated in Current Fiscal Year	91	1,063
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,181	403
Financing Receivable, Originated Two Years before Latest Fiscal Year	152	101
Financing Receivable, Originated Three Years before Latest Fiscal Year	98	5
Financing Receivable, Originated Four Years before Latest Fiscal Year	39	47
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	722	398
Total	3,024	2,609
Total consumer | Potential Problem [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	14	0
Financing Receivable, Revolving	0	15
Financing Receivable, Originated in Current Fiscal Year	59	455
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	413	71
Financing Receivable, Originated Two Years before Latest Fiscal Year	548	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0	772
Financing Receivable, Originated Four Years before Latest Fiscal Year	585	31
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	323	831
Total	1,928	2,175
Total consumer | Nonaccrual Loan [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	388	1,668
Financing Receivable, Revolving	65	56
Financing Receivable, Originated in Current Fiscal Year	279	9,973
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	9,639	4,304
Financing Receivable, Originated Two Years before Latest Fiscal Year	4,688	6,360
Financing Receivable, Originated Three Years before Latest Fiscal Year	8,530	4,116
Financing Receivable, Originated Four Years before Latest Fiscal Year	4,624	5,343
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	40,231	37,501
Total	68,056	67,654
Total consumer | Residential mortgage
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0	0
Financing Receivable, Revolving	0	0
Financing Receivable, Originated in Current Fiscal Year	85,616	1,419,527
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,498,448	2,188,332
Financing Receivable, Originated Two Years before Latest Fiscal Year	2,226,164	1,722,979
Financing Receivable, Originated Three Years before Latest Fiscal Year	1,696,342	821,645
Financing Receivable, Originated Four Years before Latest Fiscal Year	803,113	375,768
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	2,295,481	1,983,299
Total	8,605,164	8,511,550
Financing Receivable, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
Financing Receivable, Revolving, Writeoff	0
Financing Receivable, Year One, Originated, Current Fiscal Year, Writeoff	0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff	107
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff	19
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff	8
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff	2
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Writeoff	32
Charge offs	(168)
Total consumer | Residential mortgage | Pass [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0	0
Financing Receivable, Revolving	0	0
Financing Receivable, Originated in Current Fiscal Year	85,201	1,410,566
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,490,848	2,184,125
Financing Receivable, Originated Two Years before Latest Fiscal Year	2,221,515	1,716,663
Financing Receivable, Originated Three Years before Latest Fiscal Year	1,687,853	817,164
Financing Receivable, Originated Four Years before Latest Fiscal Year	798,205	370,724
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	2,261,293	1,951,406
Total	8,544,915	8,450,648
Total consumer | Residential mortgage | Special Mention [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0	0
Financing Receivable, Revolving	0	0
Financing Receivable, Originated in Current Fiscal Year	91	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0	284
Financing Receivable, Originated Two Years before Latest Fiscal Year	0	96
Financing Receivable, Originated Three Years before Latest Fiscal Year	95	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	105	63
Total	291	444
Total consumer | Residential mortgage | Potential Problem [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0	0
Financing Receivable, Revolving	0	0
Financing Receivable, Originated in Current Fiscal Year	45	455
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	216	71
Financing Receivable, Originated Two Years before Latest Fiscal Year	548	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0	738
Financing Receivable, Originated Four Years before Latest Fiscal Year	551	29
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	323	685
Total	1,684	1,978
Total consumer | Residential mortgage | Nonaccrual Loan [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0	0
Financing Receivable, Revolving	0	0
Financing Receivable, Originated in Current Fiscal Year	279	8,506
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	7,384	3,851
Financing Receivable, Originated Two Years before Latest Fiscal Year	4,101	6,219
Financing Receivable, Originated Three Years before Latest Fiscal Year	8,394	3,744
Financing Receivable, Originated Four Years before Latest Fiscal Year	4,356	5,014
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	33,760	31,145
Total	58,274	58,480
Total consumer | Auto finance
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0	0
Financing Receivable, Revolving	0	0
Financing Receivable, Originated in Current Fiscal Year	239,138	1,273,406
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,211,778	106,551
Financing Receivable, Originated Two Years before Latest Fiscal Year	98,906	333
Financing Receivable, Originated Three Years before Latest Fiscal Year	299	1,276
Financing Receivable, Originated Four Years before Latest Fiscal Year	1,029	446
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	388	61
Total	1,551,538	1,382,073
Financing Receivable, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
Financing Receivable, Revolving, Writeoff	0
Financing Receivable, Year One, Originated, Current Fiscal Year, Writeoff	0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff	922
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff	181
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff	0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Writeoff	0
Charge offs	(1,103)
Total consumer | Auto finance | Pass [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0	0
Financing Receivable, Revolving	0	0
Financing Receivable, Originated in Current Fiscal Year	239,138	1,271,205
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,208,658	106,102
Financing Receivable, Originated Two Years before Latest Fiscal Year	98,290	333
Financing Receivable, Originated Three Years before Latest Fiscal Year	299	1,267
Financing Receivable, Originated Four Years before Latest Fiscal Year	1,020	446
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	388	61
Total	1,547,793	1,379,414
Total consumer | Auto finance | Special Mention [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0	0
Financing Receivable, Revolving	0	0
Financing Receivable, Originated in Current Fiscal Year	0	1,052
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,168	118
Financing Receivable, Originated Two Years before Latest Fiscal Year	141	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0	0
Total	1,310	1,170
Total consumer | Auto finance | Nonaccrual Loan [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0	0
Financing Receivable, Revolving	0	0
Financing Receivable, Originated in Current Fiscal Year	0	1,149
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,952	331
Financing Receivable, Originated Two Years before Latest Fiscal Year	474	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0	9
Financing Receivable, Originated Four Years before Latest Fiscal Year	9	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0	0
Total	2,436	1,490
Total consumer | Home equity
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	2,592	8,891
Financing Receivable, Revolving	495,900	508,329
Financing Receivable, Originated in Current Fiscal Year	244	31,695
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	31,583	6,610
Financing Receivable, Originated Two Years before Latest Fiscal Year	6,941	2,243
Financing Receivable, Originated Three Years before Latest Fiscal Year	2,374	6,538
Financing Receivable, Originated Four Years before Latest Fiscal Year	6,047	7,333
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	66,698	61,605
Total	609,787	624,353
Financing Receivable, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
Financing Receivable, Revolving, Writeoff	0
Financing Receivable, Year One, Originated, Current Fiscal Year, Writeoff	0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff	43
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff	14
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff	0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff	22
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Writeoff	33
Charge offs	(111)
Total consumer | Home equity | Pass [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	2,173	7,254
Financing Receivable, Revolving	495,755	508,212
Financing Receivable, Originated in Current Fiscal Year	230	31,389
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	31,083	6,508
Financing Receivable, Originated Two Years before Latest Fiscal Year	6,835	2,112
Financing Receivable, Originated Three Years before Latest Fiscal Year	2,243	6,197
Financing Receivable, Originated Four Years before Latest Fiscal Year	5,732	6,966
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	59,670	54,827
Total	601,549	616,211
Total consumer | Home equity | Special Mention [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	18	47
Financing Receivable, Revolving	124	102
Financing Receivable, Originated in Current Fiscal Year	0	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	29	47
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	594	310
Total	747	458
Total consumer | Home equity | Potential Problem [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	14	0
Financing Receivable, Revolving	0	15
Financing Receivable, Originated in Current Fiscal Year	14	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	196	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0	34
Financing Receivable, Originated Four Years before Latest Fiscal Year	34	2
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0	146
Total	244	197
Total consumer | Home equity | Nonaccrual Loan [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	388	1,590
Financing Receivable, Revolving	20	0
Financing Receivable, Originated in Current Fiscal Year	0	306
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	303	102
Financing Receivable, Originated Two Years before Latest Fiscal Year	106	131
Financing Receivable, Originated Three Years before Latest Fiscal Year	131	307
Financing Receivable, Originated Four Years before Latest Fiscal Year	252	319
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	6,434	6,322
Total	7,246	7,487
Total consumer | Other consumer
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	91	147
Financing Receivable, Revolving	190,881	200,488
Financing Receivable, Originated in Current Fiscal Year	1,860	7,452
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	5,292	5,276
Financing Receivable, Originated Two Years before Latest Fiscal Year	4,035	2,482
Financing Receivable, Originated Three Years before Latest Fiscal Year	1,930	1,300
Financing Receivable, Originated Four Years before Latest Fiscal Year	866	184
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	74,384	77,670
Total	279,248	294,851
Financing Receivable, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
Financing Receivable, Revolving, Writeoff	916
Financing Receivable, Year One, Originated, Current Fiscal Year, Writeoff	0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff	117
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff	49
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff	9
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff	5
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Writeoff	48
Charge offs	(1,144)
Total consumer | Other consumer | Pass [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	90	64
Financing Receivable, Revolving	190,219	199,942
Financing Receivable, Originated in Current Fiscal Year	1,860	7,429
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	5,279	5,256
Financing Receivable, Originated Two Years before Latest Fiscal Year	4,017	2,468
Financing Receivable, Originated Three Years before Latest Fiscal Year	1,922	1,238
Financing Receivable, Originated Four Years before Latest Fiscal Year	849	174
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	74,324	77,611
Total	278,471	294,117
Total consumer | Other consumer | Special Mention [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	1	6
Financing Receivable, Revolving	617	490
Financing Receivable, Originated in Current Fiscal Year	0	11
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	13	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	11	5
Financing Receivable, Originated Three Years before Latest Fiscal Year	3	5
Financing Receivable, Originated Four Years before Latest Fiscal Year	10	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	23	25
Total	676	537
Total consumer | Other consumer | Nonaccrual Loan [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Revolving, Converted To Term Loan	0	78
Financing Receivable, Revolving	44	56
Financing Receivable, Originated in Current Fiscal Year	0	11
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0	21
Financing Receivable, Originated Two Years before Latest Fiscal Year	7	10
Financing Receivable, Originated Three Years before Latest Fiscal Year	6	56
Financing Receivable, Originated Four Years before Latest Fiscal Year	6	10
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	36	34
Total	$ 100	$ 197

XML

Loans Past Due Status (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2023	Dec. 31, 2022
Summarized details of Loans
Current	$ 29,058,504	$ 28,652,257
Financing Receivable, Nonaccrual	117,569	111,467
Loans and Leases Receivable, Net of Deferred Income, Total	29,207,072	28,799,569
Nonaccrual Loans, Current Portion	$ 78,000	$ 64,000
Percent of current nonaccrual loans	66.00%	58.00%
Financing Receivable, Nonaccrual, Interest Income	$ 0	$ 0
Financing Receivable, Nonaccrual, No Allowance	15,000	11,000
30-59 Days Past Due
Summarized details of Loans
Total Past Due	26,167	26,256
60-89 Days Past Due
Summarized details of Loans
Total Past Due	3,130	7,861
Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Summarized details of Loans
Total Past Due	1,703	1,728
Asset-based lending & equipment finance
Summarized details of Loans
Current	522,834	458,887
Financing Receivable, Nonaccrual	0	0
Loans and Leases Receivable, Net of Deferred Income, Total	522,834	458,887
Asset-based lending & equipment finance | 30-59 Days Past Due
Summarized details of Loans
Total Past Due	0	0
Asset-based lending & equipment finance | 60-89 Days Past Due
Summarized details of Loans
Total Past Due	0	0
Asset-based lending & equipment finance | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Summarized details of Loans
Total Past Due	0	0
Commercial and Industrial Sector
Summarized details of Loans
Current	9,319,650	9,279,674
Financing Receivable, Nonaccrual	22,735	14,329
Loans and Leases Receivable, Net of Deferred Income, Total	9,346,947	9,300,567
Commercial and Industrial Sector | 30-59 Days Past Due
Summarized details of Loans
Total Past Due	4,110	716
Commercial and Industrial Sector | 60-89 Days Past Due
Summarized details of Loans
Total Past Due	130	5,566
Commercial and Industrial Sector | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Summarized details of Loans
Total Past Due	323	282
Commercial real estate — owner occupied
Summarized details of Loans
Current	1,045,803	991,493
Financing Receivable, Nonaccrual	1,478	0
Loans and Leases Receivable, Net of Deferred Income, Total	1,050,236	991,722
Commercial real estate — owner occupied | 30-59 Days Past Due
Summarized details of Loans
Total Past Due	2,955	218
Commercial real estate — owner occupied | 60-89 Days Past Due
Summarized details of Loans
Total Past Due	0	12
Commercial real estate — owner occupied | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Summarized details of Loans
Total Past Due	0	0
Commercial and business lending
Summarized details of Loans
Current	10,888,287	10,730,053
Financing Receivable, Nonaccrual	24,213	14,329
Loans and Leases Receivable, Net of Deferred Income, Total	10,920,017	10,751,176
Commercial and business lending | 30-59 Days Past Due
Summarized details of Loans
Total Past Due	7,065	934
Commercial and business lending | 60-89 Days Past Due
Summarized details of Loans
Total Past Due	130	5,578
Commercial and business lending | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Summarized details of Loans
Total Past Due	323	282
Commercial real estate — investor
Summarized details of Loans
Current	5,069,126	5,049,897
Financing Receivable, Nonaccrual	25,122	29,380
Loans and Leases Receivable, Net of Deferred Income, Total	5,094,249	5,080,344
Commercial real estate — investor | 30-59 Days Past Due
Summarized details of Loans
Total Past Due	0	1,067
Commercial real estate — investor | 60-89 Days Past Due
Summarized details of Loans
Total Past Due	0	0
Commercial real estate — investor | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Summarized details of Loans
Total Past Due	0	0
Real estate construction
Summarized details of Loans
Current	2,146,892	2,155,077
Financing Receivable, Nonaccrual	178	105
Loans and Leases Receivable, Net of Deferred Income, Total	2,147,070	2,155,222
Real estate construction | 30-59 Days Past Due
Summarized details of Loans
Total Past Due	0	39
Real estate construction | 60-89 Days Past Due
Summarized details of Loans
Total Past Due	0	0
Real estate construction | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Summarized details of Loans
Total Past Due	0	0
Commercial real estate lending
Summarized details of Loans
Current	7,216,018	7,204,975
Financing Receivable, Nonaccrual	25,300	29,485
Loans and Leases Receivable, Net of Deferred Income, Total	7,241,318	7,235,565
Commercial real estate lending | 30-59 Days Past Due
Summarized details of Loans
Total Past Due	0	1,105
Commercial real estate lending | 60-89 Days Past Due
Summarized details of Loans
Total Past Due	0	0
Commercial real estate lending | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Summarized details of Loans
Total Past Due	0	0
Total commercial
Summarized details of Loans
Current	18,104,305	17,935,028
Financing Receivable, Nonaccrual	49,513	43,814
Loans and Leases Receivable, Net of Deferred Income, Total	18,161,335	17,986,742
Total commercial | 30-59 Days Past Due
Summarized details of Loans
Total Past Due	7,065	2,040
Total commercial | 60-89 Days Past Due
Summarized details of Loans
Total Past Due	130	5,578
Total commercial | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Summarized details of Loans
Total Past Due	323	282
Residential mortgage
Summarized details of Loans
Current	8,539,264	8,443,072
Financing Receivable, Nonaccrual	58,274	58,480
Loans and Leases Receivable, Net of Deferred Income, Total	8,605,164	8,511,550
Residential mortgage | 30-59 Days Past Due
Summarized details of Loans
Total Past Due	7,430	9,811
Residential mortgage | 60-89 Days Past Due
Summarized details of Loans
Total Past Due	196	63
Residential mortgage | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Summarized details of Loans
Total Past Due	0	124
Auto finance
Summarized details of Loans
Current	1,540,463	1,371,176
Financing Receivable, Nonaccrual	2,436	1,490
Loans and Leases Receivable, Net of Deferred Income, Total	1,551,538	1,382,073
Auto finance | 30-59 Days Past Due
Summarized details of Loans
Total Past Due	7,330	8,238
Auto finance | 60-89 Days Past Due
Summarized details of Loans
Total Past Due	1,310	1,170
Auto finance | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Summarized details of Loans
Total Past Due	0	0
Home equity
Summarized details of Loans
Current	598,427	611,259
Financing Receivable, Nonaccrual	7,246	7,487
Loans and Leases Receivable, Net of Deferred Income, Total	609,787	624,353
Home equity | 30-59 Days Past Due
Summarized details of Loans
Total Past Due	3,366	5,149
Home equity | 60-89 Days Past Due
Summarized details of Loans
Total Past Due	747	458
Home equity | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Summarized details of Loans
Total Past Due	0	0
Other consumer
Summarized details of Loans
Current	276,045	291,722
Financing Receivable, Nonaccrual	100	197
Loans and Leases Receivable, Net of Deferred Income, Total	279,248	294,851
Other consumer | 30-59 Days Past Due
Summarized details of Loans
Total Past Due	976	1,018
Other consumer | 60-89 Days Past Due
Summarized details of Loans
Total Past Due	747	592
Other consumer | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Summarized details of Loans
Total Past Due	1,380	1,322
Total consumer
Summarized details of Loans
Current	10,954,199	10,717,229
Financing Receivable, Nonaccrual	68,056	67,654
Loans and Leases Receivable, Net of Deferred Income, Total	11,045,737	10,812,828
Total consumer | 30-59 Days Past Due
Summarized details of Loans
Total Past Due	19,102	24,216
Total consumer | 60-89 Days Past Due
Summarized details of Loans
Total Past Due	3,000	2,283
Total consumer | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Summarized details of Loans
Total Past Due	$ 1,380	$ 1,446

XML

Loans, Modifications (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2023 USD ($)
Financing Receivable, Modified [Line Items]
Financing Receivable, Modified, Weighted Average Interest Rate, Range, From	22.00%
Financing Receivable, Modified, Weighted Average Interest Rate, Range, To	5.00%
Financing Receivable, Modified, Weighted Average Term, Range, From	334 months
Financing Receivable, Modified, Weighted Average Term, Range, To	360 months
Interest Rate Below Market Reduction [Member]
Financing Receivable, Modified [Line Items]
Financing Receivable, Modified in Period, Amount	$ 637
Financing Receivable, Modified, Weighted Average Interest Rate Decrease from Modification	(17.00%)
Extended Maturity [Member]
Financing Receivable, Modified [Line Items]
Financing Receivable, Modified in Period, Amount	$ 209
Financing Receivable, Modified, Weighted Average Term Increase from Modification	26 months
Extended Maturity and Interest Rate Reduction [Member]
Financing Receivable, Modified [Line Items]
Financing Receivable, Modified in Period, Amount	$ 258
Commercial and Industrial Sector | Interest Rate Below Market Reduction [Member]
Financing Receivable, Modified [Line Items]
Financing Receivable, Modified in Period, Amount	$ 47
Financing Receivable, Modified, Weighted Average Interest Rate Decrease from Modification	(16.00%)
Residential mortgage | Extended Maturity [Member]
Financing Receivable, Modified [Line Items]
Financing Receivable, Modified in Period, Amount	$ 209
Financing Receivable, Modified, Weighted Average Term Increase from Modification	26 months
Residential mortgage | Extended Maturity and Interest Rate Reduction [Member]
Financing Receivable, Modified [Line Items]
Financing Receivable, Modified in Period, Amount	$ 165
Auto finance | Interest Rate Below Market Reduction [Member]
Financing Receivable, Modified [Line Items]
Financing Receivable, Modified in Period, Amount	$ 61
Financing Receivable, Modified, Weighted Average Interest Rate Decrease from Modification	(2.00%)
Home equity | Interest Rate Below Market Reduction [Member]
Financing Receivable, Modified [Line Items]
Financing Receivable, Modified in Period, Amount	$ 31
Financing Receivable, Modified, Weighted Average Interest Rate Decrease from Modification	1.00%
Home equity | Extended Maturity and Interest Rate Reduction [Member]
Financing Receivable, Modified [Line Items]
Financing Receivable, Modified in Period, Amount	$ 93
Other consumer | Interest Rate Below Market Reduction [Member]
Financing Receivable, Modified [Line Items]
Financing Receivable, Modified in Period, Amount	$ 498
Financing Receivable, Modified, Weighted Average Interest Rate Decrease from Modification	(20.00%)

XML

Loans, Modifications in Last 12 Months, Performance $ in Thousands	3 Months Ended
	Mar. 31, 2023 USD ($)
Financial Asset, Not Past Due [Member]
Financing Receivable, Modified in the Last 12 Months, Performance [Line Items]
Financing Receivable, Modified in Period, Amount	$ 763
Financial Asset, 30-89 Days Past Due [Member]
Financing Receivable, Modified in the Last 12 Months, Performance [Line Items]
Financing Receivable, Modified in Period, Amount	0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Financing Receivable, Modified in the Last 12 Months, Performance [Line Items]
Financing Receivable, Modified in Period, Amount	0
Financial Asset, Nonaccrual [Member]
Financing Receivable, Modified in the Last 12 Months, Performance [Line Items]
Financing Receivable, Modified in Period, Amount	341
Commercial and Industrial Sector | Financial Asset, Not Past Due [Member]
Financing Receivable, Modified in the Last 12 Months, Performance [Line Items]
Financing Receivable, Modified in Period, Amount	47
Commercial and Industrial Sector | Financial Asset, 30-89 Days Past Due [Member]
Financing Receivable, Modified in the Last 12 Months, Performance [Line Items]
Financing Receivable, Modified in Period, Amount	0
Commercial and Industrial Sector | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Financing Receivable, Modified in the Last 12 Months, Performance [Line Items]
Financing Receivable, Modified in Period, Amount	0
Commercial and Industrial Sector | Financial Asset, Nonaccrual [Member]
Financing Receivable, Modified in the Last 12 Months, Performance [Line Items]
Financing Receivable, Modified in Period, Amount	0
Residential mortgage | Financial Asset, Not Past Due [Member]
Financing Receivable, Modified in the Last 12 Months, Performance [Line Items]
Financing Receivable, Modified in Period, Amount	126
Residential mortgage | Financial Asset, 30-89 Days Past Due [Member]
Financing Receivable, Modified in the Last 12 Months, Performance [Line Items]
Financing Receivable, Modified in Period, Amount	0
Residential mortgage | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Financing Receivable, Modified in the Last 12 Months, Performance [Line Items]
Financing Receivable, Modified in Period, Amount	0
Residential mortgage | Financial Asset, Nonaccrual [Member]
Financing Receivable, Modified in the Last 12 Months, Performance [Line Items]
Financing Receivable, Modified in Period, Amount	248
Auto finance | Financial Asset, Not Past Due [Member]
Financing Receivable, Modified in the Last 12 Months, Performance [Line Items]
Financing Receivable, Modified in Period, Amount	61
Auto finance | Financial Asset, 30-89 Days Past Due [Member]
Financing Receivable, Modified in the Last 12 Months, Performance [Line Items]
Financing Receivable, Modified in Period, Amount	0
Auto finance | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Financing Receivable, Modified in the Last 12 Months, Performance [Line Items]
Financing Receivable, Modified in Period, Amount	0
Auto finance | Financial Asset, Nonaccrual [Member]
Financing Receivable, Modified in the Last 12 Months, Performance [Line Items]
Financing Receivable, Modified in Period, Amount	0
Home equity | Financial Asset, Not Past Due [Member]
Financing Receivable, Modified in the Last 12 Months, Performance [Line Items]
Financing Receivable, Modified in Period, Amount	31
Home equity | Financial Asset, 30-89 Days Past Due [Member]
Financing Receivable, Modified in the Last 12 Months, Performance [Line Items]
Financing Receivable, Modified in Period, Amount	0
Home equity | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Financing Receivable, Modified in the Last 12 Months, Performance [Line Items]
Financing Receivable, Modified in Period, Amount	0
Home equity | Financial Asset, Nonaccrual [Member]
Financing Receivable, Modified in the Last 12 Months, Performance [Line Items]
Financing Receivable, Modified in Period, Amount	93
Other consumer | Financial Asset, Not Past Due [Member]
Financing Receivable, Modified in the Last 12 Months, Performance [Line Items]
Financing Receivable, Modified in Period, Amount	498
Other consumer | Financial Asset, 30-89 Days Past Due [Member]
Financing Receivable, Modified in the Last 12 Months, Performance [Line Items]
Financing Receivable, Modified in Period, Amount	0
Other consumer | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Financing Receivable, Modified in the Last 12 Months, Performance [Line Items]
Financing Receivable, Modified in Period, Amount	0
Other consumer | Financial Asset, Nonaccrual [Member]
Financing Receivable, Modified in the Last 12 Months, Performance [Line Items]
Financing Receivable, Modified in Period, Amount	$ 0

XML

Loans, Modified, Subsequent Default (Details) - Home equity $ in Thousands	3 Months Ended
	Mar. 31, 2023 USD ($)
Interest Rate Below Market Reduction [Member]
Financing Receivable, Modified, Subsequent Default [Line Items]
Financing Receivable, Modified, Subsequent Default	$ 0
Extended Maturity [Member]
Financing Receivable, Modified, Subsequent Default [Line Items]
Financing Receivable, Modified, Subsequent Default	0
Extended Maturity and Interest Rate Reduction [Member]
Financing Receivable, Modified, Subsequent Default [Line Items]
Financing Receivable, Modified, Subsequent Default	$ 60

XML

Loans, Troubled Debt Restructurings Performing and Nonaccrual (Details) $ in Thousands	Dec. 31, 2022 USD ($)
Financing Receivable, Impaired [Line Items]
Performing Restructured Loans	$ 32,868
Nonaccrual Restructured Loans(a)	20,127
Commercial and Industrial Sector
Financing Receivable, Impaired [Line Items]
Performing Restructured Loans	12,453
Nonaccrual Restructured Loans(a)	0
Commercial real estate — owner occupied
Financing Receivable, Impaired [Line Items]
Performing Restructured Loans	316
Nonaccrual Restructured Loans(a)	0
Commercial real estate — investor
Financing Receivable, Impaired [Line Items]
Performing Restructured Loans	128
Nonaccrual Restructured Loans(a)	2,074
Real estate construction
Financing Receivable, Impaired [Line Items]
Performing Restructured Loans	195
Nonaccrual Restructured Loans(a)	9
Residential mortgage
Financing Receivable, Impaired [Line Items]
Performing Restructured Loans	16,829
Nonaccrual Restructured Loans(a)	17,117
Home equity
Financing Receivable, Impaired [Line Items]
Performing Restructured Loans	2,148
Nonaccrual Restructured Loans(a)	927
Other consumer
Financing Receivable, Impaired [Line Items]
Performing Restructured Loans	798
Nonaccrual Restructured Loans(a)	$ 0

XML

Loans, Troubled Debt Restructurings, Summary (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2022 USD ($) loan
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Number of Contracts | loan	27
Financing Receivable, Troubled Debt Restructuring, Postmodification	$ 6,500
Financing Receivable, Troubled Debt Restructuring, Premodification	$ 6,603
Residential mortgage
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Number of Contracts | loan	24
Financing Receivable, Troubled Debt Restructuring, Postmodification	$ 6,421
Financing Receivable, Troubled Debt Restructuring, Premodification	$ 6,502
Home equity
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Number of Contracts | loan	3
Financing Receivable, Troubled Debt Restructuring, Postmodification	$ 80
Financing Receivable, Troubled Debt Restructuring, Premodification	$ 101

XML

Loans, Troubled Debt Restructurings Subsequent Default (Details) - Residential mortgage $ in Thousands	3 Months Ended
	Mar. 31, 2022 USD ($) loan
Financing Receivable, Modified [Line Items]
Number of Loans | loan	1
Financing Receivable, Modified, Subsequent Default | $	$ 884

XML

Loans, Changes in the Allowance for Loan Losses by Portfolio Segment (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Charge offs	$ (5,501)
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Off-Balance-Sheet, Credit Loss, Liability, Beginning Balance	38,776	$ 39,776	$ 39,776
Provision for credit losses	1,000		(1,000)
Off-Balance-Sheet, Credit Loss, Liability, Ending Balance	39,776		38,776
Allowance for credit losses on loans
Charge offs	(5,501)
Provision for credit losses	17,971	(3,990)
Allowance for Loan Losses [Member]
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Financing Receivable, Allowance for Credit Loss, Beginning Balance	312,720	280,015	280,015
Charge offs	(5,501)		(10,146)
Recoveries	2,212		8,852
Net Charge offs	(3,289)		(1,294)
Provision for credit losses	17,000		34,000
Financing Receivable, Allowance for Credit Loss, Ending Balance	326,432		312,720
Allowance for credit losses on loans
Charge offs	(5,501)		(10,146)
Recoveries	2,212		8,852
Net Charge offs	(3,289)		(1,294)
Allowance for Loan Losses [Member] | Asset-based lending & equipment finance
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Financing Receivable, Allowance for Credit Loss, Beginning Balance	6,564	4,182	4,182
Charge offs	0		0
Recoveries	0		0
Net Charge offs	0		0
Provision for credit losses	2		2,382
Financing Receivable, Allowance for Credit Loss, Ending Balance	6,566		6,564
Allowance for credit losses on loans
Charge offs	0		0
Recoveries	0		0
Net Charge offs	0		0
Allowance for Loan Losses [Member] | Commercial and industrial
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Financing Receivable, Allowance for Credit Loss, Beginning Balance	112,512	85,675	85,675
Charge offs	(2,975)		(4,491)
Recoveries	1,216		5,282
Net Charge offs	(1,759)		791
Provision for credit losses	6,930		26,047
Financing Receivable, Allowance for Credit Loss, Ending Balance	117,683		112,512
Allowance for credit losses on loans
Charge offs	(2,975)		(4,491)
Recoveries	1,216		5,282
Net Charge offs	(1,759)		791
Allowance for Loan Losses [Member] | Commercial real estate — owner occupied
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Financing Receivable, Allowance for Credit Loss, Beginning Balance	9,475	11,473	11,473
Charge offs	0		0
Recoveries	3		13
Net Charge offs	3		13
Provision for credit losses	785		(2,011)
Financing Receivable, Allowance for Credit Loss, Ending Balance	10,263		9,475
Allowance for credit losses on loans
Charge offs	0		0
Recoveries	3		13
Net Charge offs	3		13
Allowance for Loan Losses [Member] | Commercial and business lending
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Financing Receivable, Allowance for Credit Loss, Beginning Balance	128,551	101,330	101,330
Charge offs	(2,975)		(4,491)
Recoveries	1,219		5,295
Net Charge offs	(1,756)		804
Provision for credit losses	7,717		26,418
Financing Receivable, Allowance for Credit Loss, Ending Balance	134,512		128,551
Allowance for credit losses on loans
Charge offs	(2,975)		(4,491)
Recoveries	1,219		5,295
Net Charge offs	(1,756)		804
Allowance for Loan Losses [Member] | Commercial real estate — investor
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Financing Receivable, Allowance for Credit Loss, Beginning Balance	54,398	72,803	72,803
Charge offs	0		(50)
Recoveries	0		50
Net Charge offs	0		0
Provision for credit losses	412		(18,405)
Financing Receivable, Allowance for Credit Loss, Ending Balance	54,809		54,398
Allowance for credit losses on loans
Charge offs	0		(50)
Recoveries	0		50
Net Charge offs	0		0
Allowance for Loan Losses [Member] | Real estate construction
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Financing Receivable, Allowance for Credit Loss, Beginning Balance	45,589	37,643	37,643
Charge offs	0		(48)
Recoveries	18		106
Net Charge offs	18		58
Provision for credit losses	3,946		7,887
Financing Receivable, Allowance for Credit Loss, Ending Balance	49,552		45,589
Allowance for credit losses on loans
Charge offs	0		(48)
Recoveries	18		106
Net Charge offs	18		58
Allowance for Loan Losses [Member] | Commercial real estate lending
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Financing Receivable, Allowance for Credit Loss, Beginning Balance	99,986	110,446	110,446
Charge offs	0		(98)
Recoveries	18		156
Net Charge offs	18		58
Provision for credit losses	4,357		(10,518)
Financing Receivable, Allowance for Credit Loss, Ending Balance	104,362		99,986
Allowance for credit losses on loans
Charge offs	0		(98)
Recoveries	18		156
Net Charge offs	18		58
Allowance for Loan Losses [Member] | Total commercial
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Financing Receivable, Allowance for Credit Loss, Beginning Balance	228,538	211,776	211,776
Charge offs	(2,975)		(4,588)
Recoveries	1,237		5,451
Net Charge offs	(1,738)		862
Provision for credit losses	12,075		15,900
Financing Receivable, Allowance for Credit Loss, Ending Balance	238,874		228,538
Allowance for credit losses on loans
Charge offs	(2,975)		(4,588)
Recoveries	1,237		5,451
Net Charge offs	(1,738)		862
Allowance for Loan Losses [Member] | Residential mortgage
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Financing Receivable, Allowance for Credit Loss, Beginning Balance	38,298	40,787	40,787
Charge offs	(168)		(567)
Recoveries	114		908
Net Charge offs	(53)		341
Provision for credit losses	851		(2,830)
Financing Receivable, Allowance for Credit Loss, Ending Balance	39,096		38,298
Allowance for credit losses on loans
Charge offs	(168)		(567)
Recoveries	114		908
Net Charge offs	(53)		341
Allowance for Loan Losses [Member] | Auto finance
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Financing Receivable, Allowance for Credit Loss, Beginning Balance	19,619	1,999	1,999
Charge offs	(1,103)		(1,041)
Recoveries	147		98
Net Charge offs	(957)		(943)
Provision for credit losses	3,531		18,563
Financing Receivable, Allowance for Credit Loss, Ending Balance	22,193		19,619
Allowance for credit losses on loans
Charge offs	(1,103)		(1,041)
Recoveries	147		98
Net Charge offs	(957)		(943)
Allowance for Loan Losses [Member] | Home equity
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Financing Receivable, Allowance for Credit Loss, Beginning Balance	14,875	14,011	14,011
Charge offs	(111)		(587)
Recoveries	451		1,385
Net Charge offs	340		798
Provision for credit losses	(442)		66
Financing Receivable, Allowance for Credit Loss, Ending Balance	14,774		14,875
Allowance for credit losses on loans
Charge offs	(111)		(587)
Recoveries	451		1,385
Net Charge offs	340		798
Allowance for Loan Losses [Member] | Other consumer
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Financing Receivable, Allowance for Credit Loss, Beginning Balance	11,390	11,441	11,441
Charge offs	(1,144)		(3,363)
Recoveries	263		1,010
Net Charge offs	(881)		(2,353)
Provision for credit losses	986		2,301
Financing Receivable, Allowance for Credit Loss, Ending Balance	11,495		11,390
Allowance for credit losses on loans
Charge offs	(1,144)		(3,363)
Recoveries	263		1,010
Net Charge offs	(881)		(2,353)
Allowance for Loan Losses [Member] | Total consumer
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Financing Receivable, Allowance for Credit Loss, Beginning Balance	84,182	68,239	68,239
Charge offs	(2,525)		(5,558)
Recoveries	975		3,401
Net Charge offs	(1,550)		(2,157)
Provision for credit losses	4,925		18,100
Financing Receivable, Allowance for Credit Loss, Ending Balance	87,557		84,182
Allowance for credit losses on loans
Charge offs	(2,525)		(5,558)
Recoveries	975		3,401
Net Charge offs	(1,550)		(2,157)
SEC Schedule, 12-09, Reserve, Off-balance Sheet Activity [Member]
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Off-Balance-Sheet, Credit Loss, Liability, Beginning Balance	38,776	39,776	39,776
Provision for credit losses	1,000		(1,000)
Off-Balance-Sheet, Credit Loss, Liability, Ending Balance	39,776		38,776
SEC Schedule, 12-09, Reserve, Off-balance Sheet Activity [Member] | Asset-based lending & equipment finance
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Off-Balance-Sheet, Credit Loss, Liability, Beginning Balance	601	857	857
Provision for credit losses	(103)		(256)
Off-Balance-Sheet, Credit Loss, Liability, Ending Balance	498		601
SEC Schedule, 12-09, Reserve, Off-balance Sheet Activity [Member] | Commercial and industrial
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Off-Balance-Sheet, Credit Loss, Liability, Beginning Balance	12,396	17,601	17,601
Provision for credit losses	(123)		(5,205)
Off-Balance-Sheet, Credit Loss, Liability, Ending Balance	12,273		12,396
SEC Schedule, 12-09, Reserve, Off-balance Sheet Activity [Member] | Commercial real estate — owner occupied
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Off-Balance-Sheet, Credit Loss, Liability, Beginning Balance	103	208	208
Provision for credit losses	146		(105)
Off-Balance-Sheet, Credit Loss, Liability, Ending Balance	249		103
SEC Schedule, 12-09, Reserve, Off-balance Sheet Activity [Member] | Commercial and business lending
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Off-Balance-Sheet, Credit Loss, Liability, Beginning Balance	13,101	18,667	18,667
Provision for credit losses	(80)		(5,566)
Off-Balance-Sheet, Credit Loss, Liability, Ending Balance	13,020		13,101
SEC Schedule, 12-09, Reserve, Off-balance Sheet Activity [Member] | Commercial real estate — investor
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Off-Balance-Sheet, Credit Loss, Liability, Beginning Balance	710	936	936
Provision for credit losses	159		(226)
Off-Balance-Sheet, Credit Loss, Liability, Ending Balance	868		710
SEC Schedule, 12-09, Reserve, Off-balance Sheet Activity [Member] | Real estate construction
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Off-Balance-Sheet, Credit Loss, Liability, Beginning Balance	20,583	15,586	15,586
Provision for credit losses	963		4,997
Off-Balance-Sheet, Credit Loss, Liability, Ending Balance	21,546		20,583
SEC Schedule, 12-09, Reserve, Off-balance Sheet Activity [Member] | Commercial real estate lending
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Off-Balance-Sheet, Credit Loss, Liability, Beginning Balance	21,292	16,522	16,522
Provision for credit losses	1,122		4,770
Off-Balance-Sheet, Credit Loss, Liability, Ending Balance	22,414		21,292
SEC Schedule, 12-09, Reserve, Off-balance Sheet Activity [Member] | Total commercial
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Off-Balance-Sheet, Credit Loss, Liability, Beginning Balance	34,393	35,189	35,189
Provision for credit losses	1,041		(796)
Off-Balance-Sheet, Credit Loss, Liability, Ending Balance	35,435		34,393
SEC Schedule, 12-09, Reserve, Off-balance Sheet Activity [Member] | Home equity
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Off-Balance-Sheet, Credit Loss, Liability, Beginning Balance	2,699	2,592	2,592
Provision for credit losses	(8)		107
Off-Balance-Sheet, Credit Loss, Liability, Ending Balance	2,691		2,699
SEC Schedule, 12-09, Reserve, Off-balance Sheet Activity [Member] | Other consumer
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Off-Balance-Sheet, Credit Loss, Liability, Beginning Balance	1,683	1,995	1,995
Provision for credit losses	(34)		(311)
Off-Balance-Sheet, Credit Loss, Liability, Ending Balance	1,650		1,683
SEC Schedule, 12-09, Reserve, Off-balance Sheet Activity [Member] | Total consumer
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Off-Balance-Sheet, Credit Loss, Liability, Beginning Balance	4,382	4,587	4,587
Provision for credit losses	(41)		(204)
Off-Balance-Sheet, Credit Loss, Liability, Ending Balance	4,341		4,382
Allowance for Loans Losses and Unfunded Commitments [Member]
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Charge offs	(5,501)		(10,146)
Recoveries	2,212		8,852
Net Charge offs	(3,289)		(1,294)
Allowance for credit losses on loans
Balance at beginning of period	351,496	319,791	319,791
Charge offs	(5,501)		(10,146)
Recoveries	2,212		8,852
Net Charge offs	(3,289)		(1,294)
Provision for credit losses	18,000		33,000
Balance at end of period	$ 366,208		$ 351,496
Percent of Loans	1.25%		1.22%
Allowance for Loans Losses and Unfunded Commitments [Member] | Asset-based lending & equipment finance
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Charge offs	$ 0		$ 0
Recoveries	0		0
Net Charge offs	0		0
Allowance for credit losses on loans
Balance at beginning of period	7,165	5,040	5,040
Charge offs	0		0
Recoveries	0		0
Net Charge offs	0		0
Provision for credit losses	(102)		2,125
Balance at end of period	$ 7,063		$ 7,165
Percent of Loans	1.35%		1.56%
Allowance for Loans Losses and Unfunded Commitments [Member] | Commercial and industrial
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Charge offs	$ (2,975)		$ (4,491)
Recoveries	1,216		5,282
Net Charge offs	(1,759)		791
Allowance for credit losses on loans
Balance at beginning of period	124,908	103,276	103,276
Charge offs	(2,975)		(4,491)
Recoveries	1,216		5,282
Net Charge offs	(1,759)		791
Provision for credit losses	6,808		20,842
Balance at end of period	$ 129,957		$ 124,908
Percent of Loans	1.39%		1.34%
Allowance for Loans Losses and Unfunded Commitments [Member] | Commercial real estate — owner occupied
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Charge offs	$ 0		$ 0
Recoveries	3		13
Net Charge offs	3		13
Allowance for credit losses on loans
Balance at beginning of period	9,579	11,681	11,681
Charge offs	0		0
Recoveries	3		13
Net Charge offs	3		13
Provision for credit losses	931		(2,115)
Balance at end of period	$ 10,513		$ 9,579
Percent of Loans	1.00%		0.97%
Allowance for Loans Losses and Unfunded Commitments [Member] | Commercial and business lending
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Charge offs	$ (2,975)		$ (4,491)
Recoveries	1,219		5,295
Net Charge offs	(1,756)		804
Allowance for credit losses on loans
Balance at beginning of period	141,652	119,997	119,997
Charge offs	(2,975)		(4,491)
Recoveries	1,219		5,295
Net Charge offs	(1,756)		804
Provision for credit losses	7,637		20,852
Balance at end of period	$ 147,533		$ 141,652
Percent of Loans	1.35%		1.32%
Allowance for Loans Losses and Unfunded Commitments [Member] | Commercial real estate — investor
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Charge offs	$ 0		$ (50)
Recoveries	0		50
Net Charge offs	0		0
Allowance for credit losses on loans
Balance at beginning of period	55,108	73,739	73,739
Charge offs	0		(50)
Recoveries	0		50
Net Charge offs	0		0
Provision for credit losses	570		(18,631)
Balance at end of period	$ 55,678		$ 55,108
Percent of Loans	1.09%		1.08%
Allowance for Loans Losses and Unfunded Commitments [Member] | Real estate construction
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Charge offs	$ 0		$ (48)
Recoveries	18		106
Net Charge offs	18		58
Allowance for credit losses on loans
Balance at beginning of period	66,171	53,229	53,229
Charge offs	0		(48)
Recoveries	18		106
Net Charge offs	18		58
Provision for credit losses	4,909		12,884
Balance at end of period	$ 71,098		$ 66,171
Percent of Loans	3.31%		3.07%
Allowance for Loans Losses and Unfunded Commitments [Member] | Commercial real estate lending
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Charge offs	$ 0		$ (98)
Recoveries	18		156
Net Charge offs	18		58
Allowance for credit losses on loans
Balance at beginning of period	121,279	126,968	126,968
Charge offs	0		(98)
Recoveries	18		156
Net Charge offs	18		58
Provision for credit losses	5,479		(5,748)
Balance at end of period	$ 126,776		$ 121,279
Percent of Loans	1.75%		1.68%
Allowance for Loans Losses and Unfunded Commitments [Member] | Total commercial
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Charge offs	$ (2,975)		$ (4,588)
Recoveries	1,237		5,451
Net Charge offs	(1,738)		862
Allowance for credit losses on loans
Balance at beginning of period	262,931	246,965	246,965
Charge offs	(2,975)		(4,588)
Recoveries	1,237		5,451
Net Charge offs	(1,738)		862
Provision for credit losses	13,116		15,104
Balance at end of period	$ 274,309		$ 262,931
Percent of Loans	1.51%		1.46%
Allowance for Loans Losses and Unfunded Commitments [Member] | Residential mortgage
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Charge offs	$ (168)		$ (567)
Recoveries	114		908
Net Charge offs	(53)		341
Allowance for credit losses on loans
Balance at beginning of period	38,298	40,787	40,787
Charge offs	(168)		(567)
Recoveries	114		908
Net Charge offs	(53)		341
Provision for credit losses	851		(2,830)
Balance at end of period	$ 39,096		$ 38,298
Percent of Loans	0.45%		0.45%
Allowance for Loans Losses and Unfunded Commitments [Member] | Auto finance
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Charge offs	$ (1,103)		$ (1,041)
Recoveries	147		98
Net Charge offs	(957)		(943)
Allowance for credit losses on loans
Balance at beginning of period	19,619	1,999	1,999
Charge offs	(1,103)		(1,041)
Recoveries	147		98
Net Charge offs	(957)		(943)
Provision for credit losses	3,531		18,563
Balance at end of period	$ 22,193		$ 19,619
Percent of Loans	1.43%		1.42%
Allowance for Loans Losses and Unfunded Commitments [Member] | Home equity
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Charge offs	$ (111)		$ (587)
Recoveries	451		1,385
Net Charge offs	340		798
Allowance for credit losses on loans
Balance at beginning of period	17,574	16,603	16,603
Charge offs	(111)		(587)
Recoveries	451		1,385
Net Charge offs	340		798
Provision for credit losses	(449)		173
Balance at end of period	$ 17,465		$ 17,574
Percent of Loans	2.86%		2.81%
Allowance for Loans Losses and Unfunded Commitments [Member] | Other consumer
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Charge offs	$ (1,144)		$ (3,363)
Recoveries	263		1,010
Net Charge offs	(881)		(2,353)
Allowance for credit losses on loans
Balance at beginning of period	13,073	13,436	13,436
Charge offs	(1,144)		(3,363)
Recoveries	263		1,010
Net Charge offs	(881)		(2,353)
Provision for credit losses	952		1,990
Balance at end of period	$ 13,145		$ 13,073
Percent of Loans	4.71%		4.43%
Allowance for Loans Losses and Unfunded Commitments [Member] | Total consumer
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Charge offs	$ (2,525)		$ (5,558)
Recoveries	975		3,401
Net Charge offs	(1,550)		(2,157)
Allowance for credit losses on loans
Balance at beginning of period	88,565	$ 72,825	72,825
Charge offs	(2,525)		(5,558)
Recoveries	975		3,401
Net Charge offs	(1,550)		(2,157)
Provision for credit losses	4,884		17,896
Balance at end of period	$ 91,898		$ 88,565
Percent of Loans	0.83%		0.82%

XML

Loans Narrative (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Loans Information [Line Items]
Interest receivable	$ 152,404		$ 144,449
Financing Receivable, Nonaccrual, Interest Income	0	$ 0
Loans and Finance Receivables [Member]
Loans Information [Line Items]
Interest receivable	$ 119,000		$ 113,000

XML

Goodwill and Other Intangible Assets, Summary of Core Deposit and Other Intangibles (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022	Dec. 31, 2021
Summary of core deposit intangibles and other intangibles
Other intangible amortization	$ 2,203	$ 2,203
Core Deposit Intangibles
Summary of core deposit intangibles and other intangibles
Gross carrying amount at the beginning of period			$ 88,109	$ 88,109
Accumulated amortization	(41,030)		(38,827)
Total estimated amortization expense and MSRs decay	47,079		49,282
Other intangible amortization	$ 2,203		$ 8,811

XML

Goodwill and Other Intangible Assets, Mortgage Servicing Rights Roll-Forward (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022	Jan. 01, 2022	Dec. 31, 2021
Summary Of Changes In Balance Of Mortgage Servicing Rights Asset And Mortgage Servicing Rights Valuation Allowance [Abstract]
Servicing Asset at Amortized Cost					$ 54,862
Cumulative effect of accounting methodology change				$ 2,296
Servicing Asset at Fair Value, Amount	$ 74,479		$ 77,351		$ 57,158
Additions	474	$ 3,042	7,279
Paydowns	(1,489)		(9,350)
Change in fair value model assumptions	0		5,715
Changes in fair value of asset	(1,857)		16,549
Portfolio Of Residential Mortgage Loans Serviced For Others	$ 6,611,770		$ 6,711,820
Mortgage Servicing Rights Net To Servicing Portfolio	1.13%		1.15%

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Goodwill and Other Intangible Assets, Estimated Future Amortization Expense (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Core Deposit Intangibles
Estimated future amortization expense
Nine months ended December 31, 2023	$ 6,608
2024	8,811
2025	8,811
2026	8,811
2027	8,811
2028	3,485
Beyond 2028	1,742
Total estimated amortization expense and MSRs decay	47,079	$ 49,282
Mortgage Servicing Rights
Estimated future amortization expense
Nine months ended December 31, 2023	9,713
2024	12,079
2025	10,382
2026	8,924
2027	7,518
2028	6,564
Beyond 2028	19,299
Total estimated amortization expense and MSRs decay	$ 74,479

XML

Goodwill and Other Intangible Assets (Details Textuals) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2023	Dec. 31, 2022	Mar. 31, 2022
Goodwill [Line Items]
Goodwill, Impaired, Facts and Circumstances Leading to Impairment	no
Goodwill, Impairment Loss	$ 0	$ 0
Goodwill	$ 1,104,992	$ 1,104,992	$ 1,104,992

XML

Short and Long-Term Funding, FHLB Advances (Components of Short-term and Long-term Funding) (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Short-term Funding [Abstract]
Federal funds purchased	$ 350	$ 344,170
Securities sold under agreements to repurchase	208,048	240,969
Federal funds purchased and securities sold under agreements to repurchase	208,398	585,139
Commercial paper	18,210	20,798
Total short-term funding	226,608	605,937
Long-term funding
Subordinated Debt	550,000	250,000
Other Long-term Debt and Capitalized Costs	(8,513)	(544)
Finance lease liability	448	469
Long-term Debt	544,103	248,071
TotalShortTermLongTermExcludingFHLB	770,711	854,007
Advance from Federal Home Loan Bank	3,785,000	3,125,000
Advance from Federal Home Loan Bank [Abstract]
Advance from Federal Home Loan Bank	3,785,000	3,125,000
Long-Term Federal Home Loan Bank Advances	1,208,745	1,209,170
Federal Home Loan Bank, Advances, Branch of FHLB Bank, Amount of Advances	4,986,138	4,319,861
Debt, Long-Term and Short-Term, Combined Amount	5,756,849	5,173,869
Fair Value Hedging [Member]
Long-term funding
Subordinated Debt	2,168	(1,855)
Advance from Federal Home Loan Bank	(7,607)	(14,308)
Advance from Federal Home Loan Bank [Abstract]
Advance from Federal Home Loan Bank	$ (7,607)	$ (14,308)

XML

Short and Long-Term Funding (Remaining Contractual Maturity of the Securities Sold Under Agreements to Repurchase) (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Agency mortgage-related securities | Maturity Overnight and on Demand [Member]
RemainingContractualMaturityoftheSecuritiesSoldUnderAgreementtoRepurchase [Line Items]
Repurchase agreements	$ 208,048	$ 240,969

XML

Short and Long-Term Funding (Long-term Funding Narrative) (Details) - USD ($) $ in Millions		1 Months Ended
	Feb. 10, 2023	Nov. 30, 2014	Mar. 31, 2023
Long-term funding
Fair Value of Pledged Securites to Securities Sold under Agreements to Repurchase			157.00%
Debt Instrument, Redemption Period, Start Date	Mar. 01, 2028
Interest Added to UST 5 Year Rate	2.812%
Two Thousand Fourteen Subordinated Notes
Long-term funding
Debt Instrument, Issuance Date Month, Year		November 2014
Junior Subordinated Debentures Issued		$ 250
Debt Instrument, Term		10 years
Debt Instrument, Maturity Date Month, Year		January 2025
Debt Instrument Call Date Earliest Month Year		October 2024
Subordinated Borrowing, Interest Rate		4.25%
Two Thousand Twenty Three Subordinated Notes
Long-term funding
Debt Instrument, Issuance Date Month, Year	February 2023
Junior Subordinated Debentures Issued	$ 300
Debt Instrument, Maturity Date Month, Year	March 1, 2033
Subordinated Borrowing, Interest Rate	6.625%

XML

Derivative and Hedging Activities, Derivative Instruments Not Designated as Hedging Instruments (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Other Assets [Member]
Derivative Instruments Not Designated as Hedging Instruments [Abstract]
Derivatives (trading and other assets), fair value	$ 94,687	$ 68,759
Less: Legally enforceable master netting agreements	8,301	2,788
Less: Cash collateral pledged/received	36,331	26,898
Derivative Asset	50,056	39,072
Liability
Derivative Instruments Not Designated as Hedging Instruments [Abstract]
Derivatives (trading and other liabilities), fair value	202,974	254,506
Less: Legally enforceable master netting agreements	8,301	2,788
Less: Cash collateral pledged/received	342	217
Derivatives (trading liabilities)	194,331	251,500
Not designated as hedging instruments: | Other Assets [Member]
Derivative Instruments Not Designated as Hedging Instruments [Abstract]
Derivatives (trading and other assets), fair value	75,271	64,410
Not designated as hedging instruments: | Other Assets [Member] | Interest rate-related instruments — customer and mirror
Derivative Instruments Not Designated as Hedging Instruments [Abstract]
Notional Amount	4,412,666	4,246,823
Not designated as hedging instruments: | Other Assets [Member] | Mortgage banking(a)
Derivative Instruments Not Designated as Hedging Instruments [Abstract]
Notional Amount	59,184	21,265
Not designated as hedging instruments: | Other Assets [Member] | Interest rate lock commitments (mortgage)
Derivative Instruments Not Designated as Hedging Instruments [Abstract]
Notional Amount	468,094	499,078
Not designated as hedging instruments: | Liability
Derivative Instruments Not Designated as Hedging Instruments [Abstract]
Derivatives (trading and other assets), fair value	202,974	253,245
Not designated as hedging instruments: | Liability | Interest rate-related instruments — customer and mirror
Derivative Instruments Not Designated as Hedging Instruments [Abstract]
Notional Amount	4,737,474	4,599,391
Not designated as hedging instruments: | Liability | Forward Commitments to Sell Residential Mortgage Loans
Derivative Instruments Not Designated as Hedging Instruments [Abstract]
Notional Amount	83,500	33,000
Not designated as hedging instruments: | Liability | Interest rate lock commitments (mortgage)
Derivative Instruments Not Designated as Hedging Instruments [Abstract]
Notional Amount	454,970	461,134
Designated as Hedging Instrument | Interest rate-related instruments — customer and mirror
Derivative Instruments Not Designated as Hedging Instruments [Abstract]
Derivative Asset	19,416	4,349
Derivatives (trading liabilities)	0	1,260
Designated as Hedging Instrument | Other Assets [Member] | Interest rate-related instruments — customer and mirror
Derivative Instruments Not Designated as Hedging Instruments [Abstract]
Notional Amount	2,000,000	900,000
Designated as Hedging Instrument | Liability | Interest rate-related instruments — customer and mirror
Derivative Instruments Not Designated as Hedging Instruments [Abstract]
Notional Amount	850,000	1,150,000
Fair Value, Inputs, Level 3
Derivative Instruments Not Designated as Hedging Instruments [Abstract]
Derivatives (trading liabilities)	441	46
Fair Value, Measurements, Recurring | Not designated as hedging instruments: | Mortgage banking(a)
Derivative Instruments Not Designated as Hedging Instruments [Abstract]
Derivative Asset	338	86
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 3 | Forward Commitments to Sell Residential Mortgage Loans
Derivative Instruments Not Designated as Hedging Instruments [Abstract]
Derivatives (trading liabilities)	441	46
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2 | Interest rate lock commitments (mortgage)
Derivative Instruments Not Designated as Hedging Instruments [Abstract]
Derivatives (trading liabilities)	3,194	1,801
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2 | Not designated as hedging instruments: | Interest rate-related instruments — customer and mirror
Derivative Instruments Not Designated as Hedging Instruments [Abstract]
Derivative Asset	71,619	62,401
Derivatives (trading liabilities)	199,339	251,398
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2 | Not designated as hedging instruments: | Interest rate lock commitments (mortgage)
Derivative Instruments Not Designated as Hedging Instruments [Abstract]
Derivative Asset	$ 3,313	$ 1,922

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Derivative and Hedging Activities Cumulative Basis Adjustment for Fair Value Hedges (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Forward commitments to sell residential mortgage loans
Balance Sheet Recording of Fair Value Hedge [Line Items]
Derivatives (trading liabilities)	$ (1,144,561)	$ (833,837)
Fair Value Hedging [Member]
Balance Sheet Recording of Fair Value Hedge [Line Items]
Deferred (Gain) Loss on Discontinuation of Fair Value Hedge	5,439	16,163
Long-Term Debt [Member] | Forward commitments to sell residential mortgage loans
Balance Sheet Recording of Fair Value Hedge [Line Items]
Derivatives (trading liabilities)	(552,168)	(248,145)
Long-Term Debt [Member] | Fair Value Hedging [Member]
Balance Sheet Recording of Fair Value Hedge [Line Items]
Deferred (Gain) Loss on Discontinuation of Fair Value Hedge	(2,168)	1,855
Federal Home Loan Bank Advances [Member] | Forward commitments to sell residential mortgage loans
Balance Sheet Recording of Fair Value Hedge [Line Items]
Derivatives (trading liabilities)	(592,393)	(585,692)
Federal Home Loan Bank Advances [Member] | Fair Value Hedging [Member]
Balance Sheet Recording of Fair Value Hedge [Line Items]
Deferred (Gain) Loss on Discontinuation of Fair Value Hedge	7,607	$ 14,308
Designated as Hedging Instrument
Balance Sheet Recording of Fair Value Hedge [Line Items]
Deferred (Gain) Loss on Discontinuation of Fair Value Hedge	$ 1,000

XML

Derivative and Hedging Activities Income impact of Fair Value and Cash Flow Hedge (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Change in Unrealized Gain (Loss) on Hedged Item in Fair Value Hedge	$ (10,724)	$ 0
Unrealized Gain (Loss) on Cash Flow Hedging Instruments	13,763	0
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	1,262	0
Interest Income [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Change in Unrealized Gain (Loss) on Hedged Item in Fair Value Hedge	(1,321)	(179)
Interest Income [Member] | Not Designated as Hedging Instrument, Economic Hedge [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Change in Unrealized Gain (Loss) on Hedged Item in Fair Value Hedge	(59)	(179)
Interest Income [Member] | Designated as Hedging Instrument
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Change in Unrealized Gain (Loss) on Hedged Item in Fair Value Hedge	(1,262)	$ 0
Interest Expense
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Change in Unrealized Gain (Loss) on Hedged Item in Fair Value Hedge	2,515
Interest Expense | Not Designated as Hedging Instrument, Economic Hedge [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Change in Unrealized Gain (Loss) on Hedged Item in Fair Value Hedge	10,724
Interest Expense | Designated as Hedging Instrument
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Change in Unrealized Gain (Loss) on Hedged Item in Fair Value Hedge	$ (8,209)

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Derivative and Hedging Activities, Cash Flow Hedge Included in AOCI (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Cash Flow Hedge Impacts on AOCI [Line Items]
Unrealized Gain (Loss) on Cash Flow Hedging Instruments	$ 13,763	$ 0
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	$ 1,262	$ 0

XML

Derivative and Hedging Activities Derivative Impact on Perfomance (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Capital markets, net | Interest rate-related and other instruments — customer and mirror, net
Derivative instruments
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net	$ (70)	$ 558
Capital markets, net | Foreign currency exchange forwards
Derivative instruments
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net	252	(2,842)
Capital markets, net | Commodity contracts
Derivative instruments
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net	(395)	4,757
Mortgage banking, net | Interest Rate-Related Instruments - MSRs Hedge
Derivative instruments
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net	2,521	(3,666)
Mortgage banking, net | Interest rate lock commitments (mortgage)
Derivative instruments
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net	$ (2)	$ 123

XML

Derivative and Hedging Activities (Details Textuals) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Dec. 31, 2022	Dec. 31, 2019
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Maximum Length of Time Hedged in Cash Flow Hedge	44 months
Cash Flow Hedge Gain (Loss) to be Reclassified within 12 Months	$ 6,000
Underlying Hedged Asset, Amortized Cost Basis	315,000
Derivative collateral right to reclaim cash	610	$ 3,000
Additional Collateral, Aggregate Fair Value	$ 106,000	$ 92,000
Derivative Liability Notional Amount, Terminated			$ 500,000

XML

Balance Sheet Offsetting (Details) - Interest Rate Contract - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Derivative assets
Gross Amounts Recognized	$ 78,018	$ 63,029
Derivative Liabilities Offset	(8,301)	(2,788)
Derivative Asset, Collateral, Obligation to Return Cash, Offset	(36,331)	(26,898)
Net Amounts Presented on the Consolidated Balance Sheets	33,387	33,342
Gross Amounts Not Offset on the Consolidated Balance Sheets	(32,827)	(30,753)
Derivative Asset, Fair Value, Amount Offset Against Collateral	560	2,589
Derivative liabilities
Gross Amounts Recognized	8,676	3,096
Derivative Liability, Fair Value, Gross Asset	(8,301)	(2,788)
Derivative Liability, Collateral, Right to Reclaim Cash, Offset	(342)	(217)
Net Amounts Presented on the Consolidated Balance Sheets	34	91
Gross Amounts Not Offset on the Consolidated Balance Sheets	0	0
Derivative Liability, Fair Value, Amount Offset Against Collateral	$ 34	$ 91

XML

Commitments, Off-Balance Sheet Arrangements, Legal Proceedings and Regulatory Matters, Summary of Lending Related and Other Commitments (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Schedule of lending-related and other commitments [Line Items]
Lending Related Commitments, Fair Value	$ 0
Commitments to extend credit, excluding commitments to originate residential mortgage loans held for sale(a)(b)
Schedule of lending-related and other commitments [Line Items]
Lending Related Commitments By Type [Domain]	11,919,626	$ 12,444,275
Commercial letters of credit(a)
Schedule of lending-related and other commitments [Line Items]
Lending Related Commitments By Type [Domain]	5,413	3,188
Standby letters of credit(c)
Schedule of lending-related and other commitments [Line Items]
Lending Related Commitments By Type [Domain]	251,565	270,692
Lines of Credit, Fair Value Disclosure	$ 3,000	$ 3,000

XML

Commitment, Changes in the Allowance for Unfunded Commitments (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2023	Dec. 31, 2022
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Off-Balance-Sheet, Credit Loss, Liability, Beginning Balance	$ 38,776	$ 39,776
Off-Balance Sheet, Credit Loss, Liability	39,776	38,776
Provision for credit losses	1,000	(1,000)
Off-Balance-Sheet, Credit Loss, Liability, Ending Balance	$ 39,776	$ 38,776

XML

Commitments, Off-Balance Sheet Arrangements, Legal Proceedings and Regulatory Matters (Details Textuals) - USD ($)	3 Months Ended		12 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Commitments, Off-Balance Sheet Arrangements, and Contingent Liabilities (Textuals) [Line Items]
Expense Related to Qualified Affordable Housing Projects	$ 9,000,000	$ 8,000,000
Remaining Investment in Qualified Affordable Housing Projects	237,000,000		$ 246,000,000
Variable Interest Entity Reporting Entity Involvement Unfunded Obligation Amount	34,000,000		40,000,000
Qualified Affordable Housing Investments, Impairment Loss	0		0
Loans Repurchased Under Make Whole Requests	2,000,000		6,000,000
Loans Sold To Outside Investors Original Amount	2,500,000,000
Loans Sold To Outside Investors Remaining Outstanding Amount	2,100,000,000
Mortgage Repurchase Reserve	566,000		1,000,000
Residential Mortgage Loans Sold With Recourse Risk	7,000,000
Residential Mortgage Loans Sold With Credit Recourse Risk	18,000,000		19,000,000
Residential Mortgage Loans with Credit Risk Recourse	0
SBA Loan Fund, Remaining Unfunded Equity Contribution	$ 5,000,000
Make Whole Requests, Loan Origination Date, Majority	Jan. 01, 2021
UnconsolidatedProjectsLowIncomeHousing [Member]
Commitments, Off-Balance Sheet Arrangements, and Contingent Liabilities (Textuals) [Line Items]
Other Investments	$ 241,000,000		250,000,000
PrincipalInvestmentCommitment [Member]
Commitments, Off-Balance Sheet Arrangements, and Contingent Liabilities (Textuals) [Line Items]
Other Investments	$ 28,000,000		$ 27,000,000

XML

Fair Value Measurements, Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Assets, Fair Value Disclosure [Abstract]
AFS investment securities, at fair value	$ 3,381,607	$ 2,742,025
Equity securities with readily determinable fair values, Fair Value	6,000	6,000
Servicing Asset at Fair Value, Amount	74,479	77,351	$ 57,158
Fair Value, Inputs, Level 1
Assets, Fair Value Disclosure [Abstract]
AFS investment securities, at fair value	111,743	109,378
Equity securities with readily determinable fair values, Fair Value	6,286	5,991
Fair Value, Inputs, Level 2
Assets, Fair Value Disclosure [Abstract]
AFS investment securities, at fair value	3,269,864	2,632,647
Fair Value, Inputs, Level 3
Assets, Fair Value Disclosure [Abstract]
Servicing Asset at Fair Value, Amount	74,479	77,351
Liabilities, Fair Value Disclosure [Abstract]
Trading liabilities	441	46
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2 | Designated as Hedging Instrument
Assets, Fair Value Disclosure [Abstract]
Interest Rate Fair Value Hedge Asset at Fair Value	19,416	4,349
Liabilities, Fair Value Disclosure [Abstract]
Interest Rate Fair Value Hedge Liability at Fair Value	0	1,260
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 3
Assets, Fair Value Disclosure [Abstract]
Servicing Asset at Fair Value, Amount	74,479	77,351
US Treasury Securities
Assets, Fair Value Disclosure [Abstract]
AFS investment securities, at fair value	111,743	109,378
US Treasury Securities | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 1
Assets, Fair Value Disclosure [Abstract]
AFS investment securities, at fair value	111,743	109,378
Agency Securities
Assets, Fair Value Disclosure [Abstract]
AFS investment securities, at fair value	13,730	13,532
Agency Securities | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2
Assets, Fair Value Disclosure [Abstract]
AFS investment securities, at fair value	13,730	13,532
US States and Political Subdivisions Debt Securities [Member]
Assets, Fair Value Disclosure [Abstract]
AFS investment securities, at fair value	228,902	230,714
US States and Political Subdivisions Debt Securities [Member] | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2
Assets, Fair Value Disclosure [Abstract]
AFS investment securities, at fair value	228,902	230,714
Mortgage-backed Securities, Issued by Private Enterprises [Member]
Assets, Fair Value Disclosure [Abstract]
AFS investment securities, at fair value	0
Residential Related Securities | FNMA/FHLMC
Assets, Fair Value Disclosure [Abstract]
AFS investment securities, at fair value	1,574,578	1,604,610
Residential Related Securities | FNMA/FHLMC | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2
Assets, Fair Value Disclosure [Abstract]
AFS investment securities, at fair value	1,574,578	1,604,610
Residential Related Securities | Government National Mortgage Association (GNMA) [Member]
Assets, Fair Value Disclosure [Abstract]
AFS investment securities, at fair value	1,095,588	497,596
Residential Related Securities | Government National Mortgage Association (GNMA) [Member] | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2
Assets, Fair Value Disclosure [Abstract]
AFS investment securities, at fair value	1,095,588	497,596
Commercial mortgage-related securities | FNMA/FHLMC
Assets, Fair Value Disclosure [Abstract]
AFS investment securities, at fair value	17,618	17,142
Commercial mortgage-related securities | FNMA/FHLMC | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2
Assets, Fair Value Disclosure [Abstract]
AFS investment securities, at fair value	17,618	17,142
Commercial mortgage-related securities | Government National Mortgage Association (GNMA) [Member]
Assets, Fair Value Disclosure [Abstract]
AFS investment securities, at fair value	189,466	110,462
Commercial mortgage-related securities | Government National Mortgage Association (GNMA) [Member] | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2
Assets, Fair Value Disclosure [Abstract]
AFS investment securities, at fair value	189,466	110,462
Federal Family Education Loan Program (FFELP) Guaranteed Loans [Member]
Assets, Fair Value Disclosure [Abstract]
AFS investment securities, at fair value	143,084	151,191
Federal Family Education Loan Program (FFELP) Guaranteed Loans [Member] | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2
Assets, Fair Value Disclosure [Abstract]
AFS investment securities, at fair value	143,084	151,191
US Government-sponsored Enterprises Debt Securities [Member]
Assets, Fair Value Disclosure [Abstract]
AFS investment securities, at fair value	3,983	4,477
US Government-sponsored Enterprises Debt Securities [Member] | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2
Assets, Fair Value Disclosure [Abstract]
AFS investment securities, at fair value	3,983	4,477
Other Debt securities
Assets, Fair Value Disclosure [Abstract]
AFS investment securities, at fair value	2,918	2,922
Other Debt securities | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2
Assets, Fair Value Disclosure [Abstract]
AFS investment securities, at fair value	2,918	2,922
Available-for-sale Securities [Member] | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 1
Assets, Fair Value Disclosure [Abstract]
AFS investment securities, at fair value	111,743	109,378
Available-for-sale Securities [Member] | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2
Assets, Fair Value Disclosure [Abstract]
AFS investment securities, at fair value	3,269,864	2,632,647
Other Debt And Other Equity Securities | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 1
Assets, Fair Value Disclosure [Abstract]
Equity securities with readily determinable fair values, Fair Value	6,286	5,991
Residential loans held for sale | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2
Assets, Fair Value Disclosure [Abstract]
Trading assets	35,742	20,383
Mortgage banking(a) | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 3
Assets, Fair Value Disclosure [Abstract]
Trading assets	338	$ 86
Forward Commitments to Sell Residential Mortgage Loans | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 3
Liabilities, Fair Value Disclosure [Abstract]
Trading liabilities	$ 441

XML

Fair Value Measurements Financial Instruments Classified Within Level 3 (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2023	Dec. 31, 2022
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	$ 86	$ 2,617
New production	1,134	10,442
Closed loans / settlements	(570)	(913)
Other	(312)	(12,060)
Change in mortgage derivative	252	(2,531)
Ending Balance	338	86
Forward commitments to sell residential mortgage loans
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]
Beginning Balance	46	(30)
New production	(294)	(2,028)
Closed loans / settlements	46	24,766
Other	644	(22,662)
Change in mortgage derivative	395	76
Ending Balance	441	46
Total derivatives
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]
Beginning Balance	40	2,647
New production	1,429	12,470
Closed loans / settlements	(616)	(25,679)
Other	(956)	10,603
Change in mortgage derivative	(143)	(2,607)
Ending Balance	$ (103)	$ 40

XML

Fair Value Measurements Equity Securities Without Readily Determinable Fair Values (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2023 USD ($)
Equity Securities Without Readily Determinable Fair Value Amount [Roll Forward]
Carrying value as of December 31, 2022	$ 19,225
Carrying value changes	0
Purchases	5,003
Equity Securities without Readily Determinable Fair Value, Sales, Annual Amount	0
Carrying value as of March 31, 2023	24,228
Cumulative upward carrying value changes between January 1, 2018 and March 31, 2023	19,134
Cumulative downward carrying value changes/impairment between January 1, 2018 and March 31, 2023	$ 0

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Fair Value Measurements, Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2023	Dec. 31, 2022
Assets and Liabilities Measured at Fair Value on a Non-recurring Basis
Net write-up of equity securities	$ 0
Equity securities	24,228	$ 19,225
Equity securities	30,514	25,216
Fair Value, Inputs, Level 3
Assets and Liabilities Measured at Fair Value on a Non-recurring Basis
Equity securities	19,228	19,225
Equity securities	19,228	19,225
Fair Value, Inputs, Level 2
Assets and Liabilities Measured at Fair Value on a Non-recurring Basis
Equity securities	5,000	0
Equity securities	5,000	0
Fair Value, Nonrecurring [Member] | Fair Value, Inputs, Level 3
Assets and Liabilities Measured at Fair Value on a Non-recurring Basis
Individually evaluated loans	35,499	23,584
Provision for credit losses	4,608	4,405
Equity securities		19,134
Equity securities		5,690
Fair Value, Nonrecurring [Member] | Fair Value, Inputs, Level 2
Assets and Liabilities Measured at Fair Value on a Non-recurring Basis
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Write-down or Reserve, Amount	46	971
OREO(b)	$ 70	$ 2,196

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Fair Value Measurements Fair Value Unobservable Level 3 Measurements (Details) - Fair Value, Inputs, Level 3	3 Months Ended
	Mar. 31, 2023
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	6.00%
Assumption for Fair Value of Assets or Liabilities that relate to Transferor's Continuing Involvement, Prepayment Speed	0.00%
Discounted Cash Flow | Mortgage Servicing Rights | Maximum
Assumption for Fair Value as of Balance Sheet Date of Assets or Liabilities that relate to Transferor's Continuing Involvement [Line Items]
Assumption for Fair Value of Assets or Liabilities that relate to Transferor's Continuing Involvement, Discount Rate	9.00%
Assumption for Fair Value of Assets or Liabilities that relate to Transferor's Continuing Involvement, Prepayment Speed	100.00%
Discounted Cash Flow | Mortgage Servicing Rights | Weighted Average [Member]
Assumption for Fair Value as of Balance Sheet Date of Assets or Liabilities that relate to Transferor's Continuing Involvement [Line Items]
Assumption for Fair Value of Assets or Liabilities that relate to Transferor's Continuing Involvement, Discount Rate	7.00%
Assumption for Fair Value of Assets or Liabilities that relate to Transferor's Continuing Involvement, Prepayment Speed	7.00%
Discounted Cash Flow | Mortgage banking(a) | Minimum
Assumption for Fair Value as of Balance Sheet Date of Assets or Liabilities that relate to Transferor's Continuing Involvement [Line Items]
Assumption for Fair Value of Assets or Liabilities that relate to Transferor's Continuing Involvement, Discount Rate	5.00%
Discounted Cash Flow | Mortgage banking(a) | Maximum
Assumption for Fair Value as of Balance Sheet Date of Assets or Liabilities that relate to Transferor's Continuing Involvement [Line Items]
Assumption for Fair Value of Assets or Liabilities that relate to Transferor's Continuing Involvement, Discount Rate	100.00%
Discounted Cash Flow | Mortgage banking(a) | 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	74.00%
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	25.00%
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	48.00%
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	35.00%

XML

Fair Value Measurements, Fair Value of Financial Instruments (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Financial assets
Cash and due from banks	$ 311,269	$ 436,952
Interest-bearing deposits in other financial institutions	511,116	156,693
Federal funds sold and securities purchased under agreements to resell	455	27,810
Available-for-sale Securities	3,381,607	2,742,025
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	3,967,083	3,960,451
Investment securities held to maturity, fair value	3,481,502	3,401,018
Equity securities with readily determinable fair values, Fair Value	6,000	6,000
Equity Securities without Readily Determinable Fair Value, Amount	24,228	19,225
Equity Securities, FV-NI and without Readily Determinable Fair Value	30,514	25,216
FHLB and Federal Reserve Bank stocks	331,420	295,496
Residential loans held for sale	35,742	20,383
Commercial loans held for sale	33,490	0
Loans, net	28,880,640	28,486,849
Bank owned life insurance, fair value	677,328	676,530
Servicing Asset at Fair Value, Amount	74,479	77,351	$ 57,158
Financial liabilities
Short-term funding	226,608	605,937
Federal Home Loan Bank, Advances, Branch of FHLB Bank, Amount of Advances	4,986,138	4,319,861
Other long-term funding	544,103	248,071
Standby letters of credit(c)
Financial liabilities
Standby letters of credit, fair value	3,000	3,000
Lending Related Commitments By Type [Domain]	251,565	270,692
US Treasury Securities
Financial assets
Available-for-sale Securities	111,743	109,378
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	999	999
Investment securities held to maturity, fair value	947	936
Fair Value, Inputs, Level 1
Financial assets
Available-for-sale Securities	111,743	109,378
Equity securities with readily determinable fair value, Carrying Amount	6,286	5,991
Equity securities with readily determinable fair values, Fair Value	6,286	5,991
Fair Value, Inputs, Level 1 | US Treasury Securities | Fair Value, Measurements, Recurring
Financial assets
Available-for-sale Securities	111,743	109,378
Fair Value, Inputs, Level 2
Financial assets
Available-for-sale Securities	3,269,864	2,632,647
Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	3,966,060	3,959,399
Investment securities held to maturity, fair value	3,480,530	3,400,028
Equity Securities without Readily Determinable Fair Value, Amount	5,000	0
Equity Securities, FV-NI and without Readily Determinable Fair Value	5,000	0
Financial liabilities
Brokered CDs and other time deposits	2,937,916	1,930,158
Brokered CDs and other time deposits, fair value	2,937,916	1,930,158
Short-term funding	226,608	605,937
Short-term funding, fair value	226,600	605,205
Advances, Fair Value Disclosure	4,987,658	4,322,264
Long-term funding, fair value	535,836	242,151
Standby letters of credit	2,717	2,881
Standby letters of credit, fair value	2,717	2,881
Fair Value, Inputs, Level 2 | Other Assets [Member]
Financial assets
Derivative Asset	94,349	68,672
Derivatives (trading and other assets), fair value	94,349	68,672
Fair Value, Inputs, Level 2 | Other Liabilities [Member]
Financial liabilities
Derivatives (trading liabilities)	202,533	254,459
Derivatives (trading and other liabilities), fair value	202,533	254,459
Fair Value, Inputs, Level 3
Financial assets
Equity Securities without Readily Determinable Fair Value, Amount	19,228	19,225
Equity Securities, FV-NI and without Readily Determinable Fair Value	19,228	19,225
Loans, net, fair value	27,921,022	27,481,426
Servicing Asset	74,479	77,351
Servicing Asset at Fair Value, Amount	74,479	77,351
Financial liabilities
Noninterest-bearing demand, savings, interest-bearing demand, and money market accounts	27,393,908	27,705,996
Noninterest-bearing demand, savings, interest-bearing demand, and money market deposits, fair value	27,393,908	27,705,996
Derivatives (trading liabilities)	441	46
Fair Value, Inputs, Level 3 | Fair Value, Measurements, Recurring
Financial assets
Servicing Asset at Fair Value, Amount	74,479	77,351
Fair Value, Inputs, Level 3 | Mortgage banking(a) | Fair Value, Measurements, Recurring
Financial assets
Derivative Asset	$ 338	$ 86

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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
	Mar. 31, 2023	Mar. 31, 2022
RAP
Net period benefit cost for the pension and postretirement plans
Defined Benefit Plan, Description	The Corporation has a noncontributory defined benefit RAP, covering substantially all employees who meet 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.
Service cost	$ 796	$ 923
Interest cost	2,686	1,772
Expected return on plan assets	(8,202)	(6,736)
Amortization of prior service cost	(63)	(63)
Amortization of actuarial loss	37	74
Total net periodic pension cost	(4,746)	(4,029)
Postretirement Plan
Net period benefit cost for the pension and postretirement plans
Interest cost	20	13
Amortization of prior service cost	(19)	(19)
Amortization of actuarial loss	(7)	0
Total net periodic pension cost	$ (7)	$ (6)

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Retirement Plans (Details Textuals) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
RAP
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined Benefit Plan, Plan Assets, Contributions by Employer	$ 0	$ 0

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Segment Reporting (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Segment Income Statement Data Abstract
Net interest income	$ 274,010	$ 187,747
Net intersegment interest income (expense)	0	0
Segment net interest income	274,010	187,747
Noninterest income	62,073	74,467
Total revenue	336,083	262,214
Provision for credit losses	17,971	(3,990)
Noninterest expense	187,412	173,292
Income before income taxes	130,700	92,912
Income tax expense (benefit)	27,340	18,650
Net income	103,360	74,262
Goodwill	1,104,992	1,104,992	$ 1,104,992
Operating Segments | Corporate and Commercial Specialty
Segment Income Statement Data Abstract
Net interest income	219,123	90,633
Net intersegment interest income (expense)	(80,980)	8,525
Segment net interest income	138,143	99,158
Noninterest income	32,715	37,728
Total revenue	170,858	136,886
Provision for credit losses	13,782	12,653
Noninterest expense	62,061	56,528
Income before income taxes	95,015	67,705
Income tax expense (benefit)	17,737	12,307
Net income	77,278	55,399
Goodwill	525,836	525,836
Operating Segments | Community, Consumer, and Business
Segment Income Statement Data Abstract
Net interest income	80,284	69,544
Net intersegment interest income (expense)	88,079	18,833
Segment net interest income	168,363	88,377
Noninterest income	25,949	33,207
Total revenue	194,312	121,584
Provision for credit losses	6,758	4,656
Noninterest expense	111,694	98,461
Income before income taxes	75,860	18,466
Income tax expense (benefit)	15,931	3,878
Net income	59,930	14,588
Goodwill	579,156	579,156
Operating Segments | Risk Management and Shared Services
Segment Income Statement Data Abstract
Net interest income	(25,397)	27,570
Net intersegment interest income (expense)	(7,099)	(27,358)
Segment net interest income	(32,496)	212
Noninterest income	3,409	3,532
Total revenue	(29,087)	3,744
Provision for credit losses	(2,568)	(21,300)
Noninterest expense	13,658	18,303
Income before income taxes	(40,176)	6,741
Income tax expense (benefit)	(6,328)	2,465
Net income	(33,848)	4,275
Goodwill	$ 0	$ 0

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Segment Reporting (Details Textuals)	3 Months Ended
	Mar. 31, 2023 segment
Segment Reporting [Abstract]
Number of Reportable Segments	3

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Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning Balance	$ (272,799)
HTM investment securities, net, at amortized cost	(2,267)	$ (1,108)
Unrealized Gain (Loss) on Cash Flow Hedging Instruments	13,763	0
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, before Tax	1,262	0
Personnel expense	(116,420)	(104,811)
Net other comprehensive income during period	39,211	(126,708)
Ending Balance	(233,588)
AFS Investment Securities
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning Balance	(233,192)	(5,266)
Other comprehensive income before reclassifications	36,478	(103,284)
Unrealized gains (losses) on AFS securities transferred to HTM securities		(67,604)
Investment securities losses (gains), net		(21)
HTM investment securities, net, at amortized cost	2,267	1,108
Unrealized Gain (Loss) on Cash Flow Hedging Instruments	0
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, before Tax	0
Personnel expense	0	0
Other expense	0	0
Income tax (expense) benefit	(9,892)	43,098
Net other comprehensive income during period	28,853	(126,702)
Ending Balance	(204,339)	(131,968)
Defined Benefit Pension and Postretirement Obligations
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning Balance	(42,968)	(5,051)
Other comprehensive income before reclassifications	0	0
Unrealized gains (losses) on AFS securities transferred to HTM securities		0
Investment securities losses (gains), net		0
HTM investment securities, net, at amortized cost	0	0
Unrealized Gain (Loss) on Cash Flow Hedging Instruments	0
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, before Tax	0
Personnel expense	(81)	(81)
Other expense	30	74
Income tax (expense) benefit	79	2
Net other comprehensive income during period	27	(6)
Ending Balance	(42,940)	(5,057)
Accumulated Other Comprehensive Income (Loss)
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning Balance	(272,799)	(10,317)
Other comprehensive income before reclassifications	36,478	(103,284)
Unrealized gains (losses) on AFS securities transferred to HTM securities		(67,604)
Investment securities losses (gains), net		(21)
HTM investment securities, net, at amortized cost	2,267	1,108
Unrealized Gain (Loss) on Cash Flow Hedging Instruments	13,763
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, before Tax	1,262
Personnel expense	(81)	(81)
Other expense	30	74
Income tax (expense) benefit	(14,507)	43,100
Net other comprehensive income during period	39,211	(126,708)
Ending Balance	(233,588)	(137,024)
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning Balance	3,360	0
Other comprehensive income before reclassifications	0	0
Unrealized gains (losses) on AFS securities transferred to HTM securities		0
Investment securities losses (gains), net		0
HTM investment securities, net, at amortized cost	0	0
Unrealized Gain (Loss) on Cash Flow Hedging Instruments	13,763
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, before Tax	1,262
Personnel expense	0	0
Other expense	0	0
Income tax (expense) benefit	(4,694)	0
Net other comprehensive income during period	10,331	0
Ending Balance	$ 13,691	$ 0

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Leases Lease, Cost and Cash Flows (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Leases [Abstract]
Operating lease costs	$ 1,464	$ 1,798
Finance lease costs	23	41
Operating lease cash flows	1,828	2,407
Finance lease cash flows	$ 22	$ 44

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Leases Components of Lease Expense (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Leases [Abstract]
Operating lease right-of-use asset	$ 24,377	$ 25,617
Finance lease right-of-use asset	433	455
Operating lease liability	26,938	28,357
Finance lease liability	$ 448	$ 469

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Leases Operating Lease Information (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Lessee, Lease, Description [Line Items]
Total lease payments	$ 29,307	$ 30,906
Operating Lease, Weighted Average Remaining Lease Term	6 years 3 days	6 years 2 months 1 day
Operating Lease, Weighted Average Discount Rate, Percent	2.71%	2.70%
Finance Lease, Liability, Payment, Due	$ 463	$ 485
Finance Lease, Weighted Average Remaining Lease Term	5 years	5 years 3 months
Finance Lease, Weighted Average Discount Rate, Percent	1.32%	1.32%
Equipment
Lessee, Lease, Description [Line Items]
Total lease payments	$ 0	$ 0
Operating Lease, Weighted Average Remaining Lease Term	0 years	0 years
Operating Lease, Weighted Average Discount Rate, Percent	0.00%	0.00%
Retail and corporate offices
Lessee, Lease, Description [Line Items]
Total lease payments	$ 24,738	$ 26,140
Operating Lease, Weighted Average Remaining Lease Term	5 years 9 months 3 days	5 years 11 months 1 day
Operating Lease, Weighted Average Discount Rate, Percent	2.63%	2.62%
Finance Lease, Liability, Payment, Due	$ 463	$ 485
Finance Lease, Weighted Average Remaining Lease Term	5 years	5 years 3 months
Finance Lease, Weighted Average Discount Rate, Percent	1.32%	1.32%
Land
Lessee, Lease, Description [Line Items]
Total lease payments	$ 4,569	$ 4,766
Operating Lease, Weighted Average Remaining Lease Term	7 years 5 months 8 days	7 years 7 months 2 days
Operating Lease, Weighted Average Discount Rate, Percent	3.15%	3.14%

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Leases Amortization of Operating Lease Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Operating Leases
Nine months ended December 31, 2023	$ 4,540
2024	5,735
2025	4,512
2026	4,246
2027	3,807
Beyond 2027	6,468
Total lease payments	29,307	$ 30,906
Less: interest	2,369
Present value of lease payments	26,938	28,357
Finance Leases
Nine months ended December 31, 2023	69
2024	93
2025	93
2026	93
2027	93
Beyond 2027	23
Total lease payments	463	485
Less: interest	15
Present value of lease payments	448	$ 469
Total Leases
Nine months ended December 31, 2023	4,609
2024	5,827
2025	4,605
2026	4,339
2027	3,899
Beyond 2027	6,491
Total lease payments	29,770
Less: interest	2,384
Present value of lease payments	$ 27,386

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Leases (Details Textuals) - USD ($) $ in Millions	Mar. 31, 2023	Dec. 31, 2022
Lessee, Lease, Description [Line Items]
Additional operating leases	$ 12	$ 13
Minimum
Lessee, Lease, Description [Line Items]
Operating lease terms	1 year
Additional operating lease terms	1 year
Maximum
Lessee, Lease, Description [Line Items]
Operating lease terms	40 years
Additional operating lease terms	6 years