Enterprise Financial Services (EFSC) 10-Q 28 Apr 23 2023 Q1 Quarterly report Financial data

Document and Entity Information

Document and Entity Information - shares	3 Months Ended
	Mar. 31, 2023	Apr. 26, 2023
Document 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	001-15373
Entity Registrant Name	ENTERPRISE FINANCIAL SERVICES CORP
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	43-1706259
Entity Address, Address Line One	150 North Meramec
Entity Address, City or Town	Clayton
Entity Address, State or Province	MO
Entity Address, Postal Zip Code	63105
City Area Code	314
Local Phone Number	725-5500
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		37,312,368
Entity Central Index Key	0001025835
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2023
Document Fiscal Period Focus	Q1
Amendment Flag	false
Common Stock
Document Information [Line Items]
Title of 12(b) Security	Common Stock, par value $0.01 per share
Trading Symbol	EFSC
Security Exchange Name	NASDAQ
Depository Shares
Document Information [Line Items]
Title of 12(b) Security	Depositary Shares, each representing a 1/40th interest in a share of 5.00% Fixed Rate Non-Cumulative Perpetual Preferred Stock, Series A
Trading Symbol	EFSCP
Security Exchange Name	NASDAQ

Condensed Consolidated Balance

Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Assets
Cash and due from banks	$ 210,813	$ 229,580
Federal funds sold	2,749	1,753
Interest-earning deposits	71,521	60,026
Total cash and cash equivalents	285,083	291,359
Interest-earning deposits greater than 90 days	6,971	8,029
Securities available-for-sale	1,555,109	1,535,807
Securities held-to-maturity, net	720,694	709,915
Loans held-for-sale	261	1,228
Loans	10,011,918	9,737,138
Allowance for credit losses on loans	(138,295)	(136,932)
Total loans, net	9,873,623	9,600,206
Other investments	62,943	63,790
Fixed assets, net	42,340	42,985
Goodwill	365,164	365,164
Intangible assets, net	15,680	16,919
Other assets	398,114	418,770
Total assets	13,325,982	13,054,172
Liabilities and Shareholders' Equity
Noninterest-bearing demand accounts	4,192,523	4,642,732
Interest-bearing demand accounts	2,395,901	2,256,295
Money market accounts	2,959,868	2,655,159
Savings accounts	712,671	744,256
Certificates of deposit:
Brokered	369,505	118,968
Other	524,168	411,740
Total deposits	11,154,636	10,829,150
Subordinated debentures and notes	155,569	155,433
FHLB advances	100,000	100,000
Other borrowings	213,489	324,119
Other liabilities	109,468	123,207
Total liabilities	11,733,162	11,531,909
Commitments and contingent liabilities (Note 5)
Shareholders' equity:
Preferred stock, $0.01 par value; 5,000,000 shares authorized; 75,000 shares issued and outstanding ($1,000 per share liquidation preference)	71,988	71,988
Common stock, $0.01 par value; 75,000,000 shares authorized; 37,310,770 shares issued and outstanding and 37,253,292 shares issued, respectively	373	373
Additional paid in capital	984,281	982,660
Retained earnings	642,153	597,574
Accumulated other comprehensive loss	(105,975)	(130,332)
Total shareholders' equity	1,592,820	1,522,263
Total liabilities and shareholders' equity	$ 13,325,982	$ 13,054,172

Condensed Consolidated Balanc_2

Condensed Consolidated Balance Sheets (Parenthetical) - $ / shares	Mar. 31, 2023	Dec. 31, 2022
Statement of Financial Position [Abstract]
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, shares authorized	5,000,000	5,000,000
Preferred stock, shares issued	75,000	75,000
Preferred stock, shares outstanding	75,000	75,000
Preferred stock, liquidation preference (in dollars per share)	$ 1,000	$ 1,000
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	75,000,000	75,000,000
Common stock, shares issued	37,310,770	37,253,292

Condensed Consolidated Statemen

Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Interest income:
Loans	$ 152,606	$ 96,123
Debt securities:
Taxable	9,286	5,351
Nontaxable	5,597	3,942
Interest-earning deposits	1,195	817
Dividends on equity securities	349	348
Total interest income	169,033	106,581
Interest expense:
Deposits	24,661	2,859
Subordinated debentures and notes	2,409	2,220
FHLB advances	1,332	195
Other borrowings	1,102	142
Total interest expense	29,504	5,416
Net interest income	139,529	101,165
Provision (benefit) for credit losses	4,183	(4,068)
Net interest income after provision (benefit) for credit losses	135,346	105,233
Noninterest income:
Total noninterest income	16,898	18,641
Noninterest expense:
Employee compensation and benefits	42,503	35,827
Occupancy	4,061	4,586
Data processing	3,710	3,260
Professional fees	1,631	1,177
Other expense	29,078	17,950
Total noninterest expense	80,983	62,800
Income before income tax expense	71,261	61,074
Income tax expense	15,523	13,381
Net income	55,738	47,693
Dividends on preferred stock	938	1,229
Net income available to common shareholders	$ 54,800	$ 46,464
Earnings per common share
Basic (usd per share)	$ 1.47	$ 1.23
Diluted (usd per share)	$ 1.46	$ 1.23
Deposit service charges
Noninterest income:
Total noninterest income	$ 4,128	$ 4,163
Wealth management revenue
Noninterest income:
Total noninterest income	2,516	2,622
Card services revenue
Noninterest income:
Total noninterest income	2,338	3,040
Tax credit income
Noninterest income:
Total noninterest income	1,813	2,608
Other income
Noninterest income:
Total noninterest income	$ 6,103	$ 6,208

Condensed Consolidated Statem_2

Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Statement of Comprehensive Income [Abstract]
Net income	$ 55,738	$ 47,693
Other comprehensive income (loss), after-tax:
Change in unrealized gain (loss) on available-for-sale securities	23,978	(79,353)
Reclassification adjustment for realized gain on sale of available-for-sale debt securities	(285)	0
Reclassification of gain on held-to-maturity securities	(638)	(704)
Change in unrealized gain on cash flow hedges	1,275	1,751
Reclassification of loss on cash flow hedges	27	269
Total other comprehensive income (loss), after-tax	24,357	(78,037)
Comprehensive income (loss)	$ 80,095	$ (30,344)

Condensed Consolidated Statem_3

Condensed Consolidated Statements of Shareholders' Equity - USD ($) $ in Thousands	Total	Preferred Stock	Common Stock	Treasury Stock	Additional Paid in Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)
Preferred stock, beginning balance (in shares) at Dec. 31, 2021		75,000
Common stock, beginning balance (in shares) at Dec. 31, 2021			37,819,000
Beginning balance at Dec. 31, 2021	$ 1,529,116	$ 71,988	$ 398	$ (73,528)	$ 1,018,799	$ 492,682	$ 18,777
Net income	47,693					47,693
Other comprehensive income (loss)	(78,037)						(78,037)
Common stock dividends	(7,915)					(7,915)
Preferred stock dividends	(1,229)					(1,229)
Repurchase of common shares (in shares)			(351,000)
Repurchase of common stock	(16,974)		$ (4)		(9,457)	(7,513)
Issuance under equity compensation plans, net (in shares)			48,000
Issuance under equity compensation plans, net	(1,163)		$ 1		(582)	(582)
Share-based compensation	1,686				1,686
Preferred stock, ending balance (in shares) at Mar. 31, 2022		75,000
Common stock, ending balance (in shares) at Mar. 31, 2022			37,516,000
Ending balance at Mar. 31, 2022	$ 1,473,177	$ 71,988	$ 395	$ (73,528)	1,010,446	523,136	(59,260)
Preferred stock, beginning balance (in shares) at Dec. 31, 2022	75,000	75,000
Common stock, beginning balance (in shares) at Dec. 31, 2022			37,253,000
Beginning balance at Dec. 31, 2022	$ 1,522,263	$ 71,988	$ 373		982,660	597,574	(130,332)
Net income	55,738					55,738
Other comprehensive income (loss)	24,357						24,357
Common stock dividends	(9,328)					(9,328)
Preferred stock dividends	(938)					(938)
Issuance under equity compensation plans, net (in shares)			58,000
Issuance under equity compensation plans, net	(1,741)				(848)	(893)
Share-based compensation	$ 2,469				2,469
Preferred stock, ending balance (in shares) at Mar. 31, 2023	75,000	75,000
Common stock, ending balance (in shares) at Mar. 31, 2023			37,311,000
Ending balance at Mar. 31, 2023	$ 1,592,820	$ 71,988	$ 373		$ 984,281	$ 642,153	$ (105,975)

Condensed Consolidated Statem_4

Condensed Consolidated Statements of Shareholders' Equity (Parenthetical) - $ / shares	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Statement of Stockholders' Equity [Abstract]
Cash dividends paid on common shares (in dollars per share)	$ 0.25	$ 0.21
Cash dividends paid on preferred shares (in dollars per share)	$ 12.50	$ 16.389

Condensed Consolidated Statem_5

Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Cash flows from operating activities:
Net income	$ 55,738	$ 47,693
Adjustments to reconcile net income to net cash provided by operating activities
Depreciation	1,274	1,472
Provision (benefit) for credit losses	4,183	(4,068)
Deferred income taxes	2,517	5,248
Net amortization of discount/premiums on debt securities	1,070	1,625
Net amortization on loan discount/premiums	1,606	429
Amortization of intangible assets	1,239	1,429
Amortization of servicing assets	493	648
Mortgage loans originated-for-sale	(2,918)	(27,811)
Proceeds from mortgage loans sold	3,884	29,636
Sale of investment securities	(381)	0
Sale of SBA loans	(501)	0
Sale of other real estate	(90)	(19)
Sale of state tax credits	(91)	(9)
Share-based compensation	2,469	1,686
Net change in other assets and liabilities
Net change in other assets and liabilities	(1,316)	(8,076)
Net cash provided by operating activities	69,176	49,883
Cash flows from investing activities:
Net increase in loans	(285,158)	(39,536)
Sale of debt securities, available-for-sale	28,741	0
Paydown or maturity of debt securities, available-for-sale	65,725	63,506
Paydown or maturity of debt securities, held-to-maturity	2,037	5,097
Redemption of other investments	41,109	1,248
Sale of SBA loans	9,502	0
Sale of state tax credits held for sale	504	261
Sale of other real estate	360	1,419
Sale of fixed assets	43	0
Settlement of bank-owned life insurance policies	0	534
Payments for the purchase of:
Available-for-sale debt securities	(86,737)	(313,875)
Held-to-maturity debt securities	(14,602)	(1,120)
Other investments	(39,123)	(8,154)
State tax credits held for sale	(21)	(7,212)
Fixed assets	(681)	(457)
Net cash used in investing activities	(278,301)	(298,289)
Cash flows from financing activities:
Net (decrease) increase in noninterest-bearing deposit accounts	(450,209)	302,607
Net increase in interest-bearing deposit accounts	775,695	57,729
Repayments of notes payable	(1,429)	(1,429)
Net decrease in other borrowings	(109,201)	(123,589)
Repurchase of common stock	0	(16,974)
Cash dividends paid on common stock	(9,328)	(7,915)
Cash dividends paid on preferred stock	(938)	(1,229)
Other	(1,741)	(1,163)
Net cash provided by financing activities	202,849	208,037
Net decrease in cash and cash equivalents	(6,276)	(40,369)
Cash and cash equivalents, beginning of period	291,359	2,021,689
Cash and cash equivalents, end of period	285,083	1,981,320
Noncash investing and financing transactions:
Cash paid during the period for interest	27,486	4,725
Cash paid during period for income taxes	0	979
Right-of-use assets obtained in exchange for lease obligations	564	4,178
Transfer of securities from available-for-sale to held-to-maturity	$ 0	$ 116,927

Summary of Significant Accounti

Summary of Significant Accounting Policies	3 Months Ended
	Mar. 31, 2023
Accounting Policies [Abstract]
Summary of Significant Accounting Policies	SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES The significant accounting policies used by Enterprise Financial Services Corp in the preparation of the condensed consolidated financial statements are summarized below: Business and Consolidation Enterprise is a financial holding company that provides a full range of banking and wealth management services to individuals and corporate customers primarily located in Arizona, California, Florida, Kansas, Missouri, Nevada, and New Mexico through its banking subsidiary, Enterprise Bank & Trust. Operating results for the three months ended March 31, 2023 are not necessarily indicative of the results that may be expected for any other interim period or for the year ending December 31, 2023. For further information, refer to the consolidated financial statements and footnotes thereto included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2022, as filed with the SEC. Basis of Financial Statement Presentation The accompanying unaudited condensed consolidated financial statements of the Company and its subsidiaries have been prepared in accordance with GAAP for interim financial information and with the instructions to Form 10-Q and Rule 10-01 of Regulation S-X. Except as disclosed herein, there has been no material change in the information disclosed in the Notes to Consolidated Financial Statements included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2022. The condensed consolidated financial statements include the accounts of the Company and its subsidiaries, all of which are wholly owned. All intercompany accounts and transactions have been eliminated. In the opinion of management, the consolidated financial statements contain all adjustments (consisting of normal recurring accruals) considered necessary for the fair presentation of the statements of financial position, results of operations, and cash flow for the interim periods. Recent Accounting Pronouncements On January 1, 2023, the Company adopted ASU 2022-02, Financial Instruments–Credit Losses (Topic 326); Troubled Debt Restructurings and Vintage Disclosures. ASU 2022-02 was issued in March 2022 and eliminates the accounting guidance on troubled debt restructurings for creditors in ASC 310-40 and amends the guidance on “vintage disclosures” to require disclosure of current-period gross charge-offs by year of origination. The ASU also updates the requirements related to accounting for credit losses under ASC 326 and adds enhanced disclosures for creditors with respect to loan refinancings and restructurings for borrowers experiencing financial difficulty. The adoption of this update did not have a material effect on the Company’s consolidated financial statements. FASB ASU 2021-01, Reference Rate Reform (Topic 848): Scope (ASU 2021-01) . ASU 2021-01 was issued in January 2021 and provides optional expedients and exceptions in ASC 848 to contracts, hedging relationships, and other transactions affected by reference rate reform if certain criteria are met. The amendment only applies to contracts, hedging relationships, and other transactions that reference LIBOR or another reference rate expected to be discontinued because of reference rate reform. The expedients and exceptions provided by the amendments will not apply to contract modifications made and hedging relationships entered into or evaluated after December 31, 2022, except for hedging relationships existing as of December 31, 2022, where an entity has elected certain optional expedients for and that are retained through the end of the hedging relationship. The amendments in this update were effective immediately upon issuance and did not have a material effect on the consolidated financial statements. In December 2022, ASU 2022-06 Reference Rate Reform (Topic 848): Deferral of the Sunset date of Topic 848 was issued, which extends the sunset date from December 31, 2022 to December 31, 2024. FASB ASU 2022-03, Fair Value Measurement of Equity Securities Subject to Contractual Sale Restrictions. ASU 2022-03 was issued in June 2022 to (1) clarify the guidance in Topic 820, Fair Value Measurement, when measuring the fair value of an equity security subject to contractual restrictions that prohibit the sale of an equity security, (2) amend a related illustrative example, and (3) introduce new disclosure requirements for equity securities subject to contractual sale restrictions that are measured at fair value in accordance with Topic 820. The amendments in this update are effective for fiscal years beginning after December 15, 2023, and interim periods within those fiscal years. The Company has evaluated the accounting and disclosure requirements of ASU 2022-03 and does not expect them to have a material effect on the consolidated financial statements. FASB ASU 2023-02, Accounting for Investments in Tax Credit Structures Using the Proportional Amortization Method . ASU 2023-02 was issued in March 2023 to allow reporting entities to consistently account for equity investments made primarily for the purpose of receiving income tax credits and other income tax benefits. If certain conditions are met, a reporting entity may elect to account for its tax equity investments by using the proportional amortization method regardless of the program from which it receives income tax credits, instead of only low-income-housing tax credit (“LIHTC”) structures. This amendment also eliminates certain LIHTC-specific guidance aligning the accounting with other equity investments in tax credit structures. The amendments in this update are effective for fiscal years beginning after December 15, 2023, and interim periods within those fiscal years. The Company is evaluating the accounting and disclosure requirements of ASU 2023-02 and does not expect them to have a material effect on the consolidated financial statements.

Earnings Per Share

Earnings Per Share	3 Months Ended
	Mar. 31, 2023
Earnings Per Share [Abstract]
Earnings Per Share	EARNINGS PER SHARE Basic earnings per common share data is calculated by dividing net income available to common shareholders by the weighted average number of common shares outstanding during the period. Diluted earnings per common share gives effect to all dilutive potential common shares outstanding during the period using the treasury stock method. The following table presents a summary of per common share data and amounts for the periods indicated. Three months ended March 31, (in thousands, except per share data) 2023 2022 Net income available to common shareholders $ 54,800 $ 46,464 Weighted average common shares outstanding 37,305 37,788 Additional dilutive common stock equivalents 182 70 Weighted average diluted common shares outstanding 37,487 37,858 Basic earnings per common share: $ 1.47 $ 1.23 Diluted earnings per common share: 1.46 1.23

Investments

Investments	3 Months Ended
	Mar. 31, 2023
Investments, Debt and Equity Securities [Abstract]
Investments	INVESTMENTS The following tables present the amortized cost, gross unrealized gains and losses, allowance for credit losses and fair value of securities available for sale and held to maturity: March 31, 2023 (in thousands) Amortized Cost Gross Gross Fair Value Available-for-sale securities: Obligations of U.S. Government-sponsored enterprises $ 289,560 $ 95 $ (23,950) $ 265,705 Obligations of states and political subdivisions 503,883 53 (73,243) 430,693 Agency mortgage-backed securities 710,642 557 (60,748) 650,451 U.S. Treasury bills 203,596 22 (3,515) 200,103 Corporate debt securities 9,000 — (843) 8,157 Total securities available for sale $ 1,716,681 $ 727 $ (162,299) $ 1,555,109 Held-to-maturity securities: Obligations of states and political subdivisions $ 541,345 $ 5,133 $ (54,232) $ 492,246 Agency mortgage-backed securities 55,897 — (5,566) 50,331 Corporate debt securities 124,324 176 (10,524) 113,976 Total securities held-to-maturity $ 721,566 $ 5,309 $ (70,322) $ 656,553 Allowance for credit losses (872) Total securities held-to-maturity, net $ 720,694 December 31, 2022 (in thousands) Amortized Cost Gross Gross Fair Value Available-for-sale securities: Obligations of U.S. Government-sponsored enterprises $ 266,090 $ — $ (28,305) $ 237,785 Obligations of states and political subdivisions 507,842 27 (90,425) 417,444 Agency mortgage-backed securities 727,931 453 (68,980) 659,404 U.S. Treasury Bills 213,441 1 (4,908) 208,534 Corporate debt securities 13,750 — (1,110) 12,640 Total securities available for sale $ 1,729,054 $ 481 $ (193,728) $ 1,535,807 Held-to-maturity securities: Obligations of states and political subdivisions $ 529,012 $ 2,321 $ (65,347) $ 465,986 Agency mortgage-backed securities 57,018 — (6,416) 50,602 Corporate debt securities 124,620 163 (12,854) 111,929 Total securities held to maturity $ 710,650 $ 2,484 $ (84,617) $ 628,517 Allowance for credit losses (735) Total securities held-to-maturity, net $ 709,915 The balance of held-to-maturity securities in the “Amortized Cost” column in the table above includes a cumulative net unamortized unrealized gain of $16.8 million and $17.6 million at March 31, 2023 and December 31, 2022, respectively. Such amounts are amortized over the remaining life of the securities. At March 31, 2023 and December 31, 2022, there were no holdings of securities of any one issuer in an amount greater than 10% of shareholders’ equity, other than U.S. Government agencies and sponsored enterprises. The agency mortgage-backed securities are all issued by U.S. Government agencies and sponsored enterprises. Securities having a fair value of $1.8 billion and $734.5 million at March 31, 2023 and December 31, 2022, respectively, were pledged as collateral to secure deposits of public institutions and for other purposes as required by law or contract provisions, in addition to collateral securing borrowing bases with the FHLB and the Federal Reserve. The amortized cost and estimated fair value of debt securities at March 31, 2023, by contractual maturity, are shown below. 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 weighted average life of the mortgage-backed securities is approximately 6 years. Available for sale Held to maturity (in thousands) Amortized Cost Estimated Fair Value Amortized Cost Estimated Fair Value Due in one year or less $ 97,485 $ 97,369 $ 720 $ 720 Due after one year through five years 370,543 347,074 50,396 47,082 Due after five years through ten years 70,480 64,238 187,914 177,985 Due after ten years 467,531 395,977 426,639 380,435 Agency mortgage-backed securities 710,642 650,451 55,897 50,331 $ 1,716,681 $ 1,555,109 $ 721,566 $ 656,553 The following tables presents a summary of available-for-sale investment securities in an unrealized loss position: March 31, 2023 Less than 12 months 12 months or more Total (in thousands) Fair Value Unrealized Losses Fair Value Unrealized Losses Fair Value Unrealized Losses Obligations of U.S. Government-sponsored enterprises $ 31,351 $ 671 $ 224,294 $ 23,279 $ 255,645 $ 23,950 Obligations of states and political subdivisions 1,954 165 424,582 73,078 426,536 73,243 Agency mortgage-backed securities 198,052 6,861 407,782 53,887 605,834 60,748 U.S. Treasury bills 150,570 2,153 23,795 1,362 174,365 3,515 Corporate debt securities 3,664 336 4,243 507 7,907 843 $ 385,591 $ 10,186 $ 1,084,696 $ 152,113 $ 1,470,287 $ 162,299 December 31, 2022 Less than 12 months 12 months or more Total (in thousands) Fair Value Unrealized Losses Fair Value Unrealized Losses Fair Value Unrealized Losses Obligations of U.S. Government-sponsored enterprises $ 73,738 $ 6,249 $ 163,047 $ 22,056 $ 236,785 $ 28,305 Obligations of states and political subdivisions 103,179 13,501 311,634 76,924 414,813 90,425 Agency mortgage-backed securities 334,431 20,038 281,321 48,942 615,752 68,980 U.S. Treasury bills 198,688 4,908 — — 198,688 4,908 Corporate debt securities 12,640 1,110 — — 12,640 1,110 $ 722,676 $ 45,806 $ 756,002 $ 147,922 $ 1,478,678 $ 193,728 The unrealized losses at both March 31, 2023 and December 31, 2022 were attributable primarily to changes in market interest rates after the securities were purchased. In March 2023, the Company established an allowance for credit losses on available-for-sale investment securities through a provision for credit losses of $4.8 million and subsequently charged-off $4.8 million. The charge-off related to the impairment of a debt security from a bank that failed in 2023. At each of March 31, 2023 and December 31, 2022, the Company had no allowance recorded on available-for-sale securities. Accrued interest receivable on held-to-maturity debt securities totaled $6.6 million and $5.8 million at March 31, 2023 and December 31, 2022, respectively, and is excluded from the estimate of expected credit losses. The estimate of expected credit losses considers historical credit loss information adjusted for current conditions and reasonable and supportable forecasts. The ACL on held-to-maturity securities was $0.9 million at March 31, 2023 and $0.7 million at December 31, 2022. The Company sold $28.4 million of available-for-sale securities in January 2023 for a gain of $0.4 million. There were no sales of available-for-sale investment securities during the three months ended March 31, 2022. Other Investments At March 31, 2023 and December 31, 2022, other investments totaled $62.9 million and $63.8 million, respectively. As a member of the FHLB system administered by the Federal Housing Finance Agency, the Bank is required to maintain a minimum investment in capital stock with the FHLB consisting of membership stock and activity-based stock. The FHLB capital stock of $14.0 million at both March 31, 2023 and December 31, 2022 is recorded at cost, which represents redemption value, and is included in other investments in the consolidated balance sheets. The remaining amounts in other investments primarily include investments in SBICs, CDFIs, private equity investments, and the Company’s investment in unconsolidated trusts used to issue trust preferred securities to third parties.

Loans

Loans	3 Months Ended
	Mar. 31, 2023
Receivables [Abstract]
Portfolio Loans	LOANS The following table presents a summary of loans by category: (in thousands) March 31, 2023 December 31, 2022 Commercial and industrial $ 4,032,189 $ 3,859,964 Real estate: Commercial - investor owned 2,418,079 2,357,820 Commercial - owner occupied 2,281,223 2,270,551 Construction and land development 663,264 611,565 Residential 364,059 395,537 Total real estate loans 5,726,625 5,635,473 Other 260,001 248,990 Loans, before unearned loan fees 10,018,815 9,744,427 Unearned loan fees, net (6,897) (7,289) Loans, including unearned loan fees $ 10,011,918 $ 9,737,138 The loan balance at March 31, 2023 and December 31, 2022, includes a net premium on acquired loans of $10.3 million and $11.9 million, respectively. At March 31, 2023 and December 31, 2022, loans of $3.4 billion and $2.8 billion, respectively, were pledged to FHLB and the Federal Reserve Bank. Accrued interest receivable totaled $44.7 million and $48.1 million at March 31, 2023 and December 31, 2022, respectively, and was reported in “Other Assets” on the consolidated balance sheets. SBA 7(a) guaranteed loans sold during the three months ended March 31, 2023 totaled $8.8 million, resulting in a gain on sale of $0.5 million. There were no SBA loan sales during the same period in 2022. A summary of the activity in the ACL on loans by category for the three months ended March 31, 2023 and 2022 is as follows: (in thousands) Commercial and industrial CRE - investor owned CRE - Construction and land development Residential real estate Other Total Allowance for credit losses on loans: Balance at December 31, 2022 $ 53,835 $ 36,191 $ 22,752 $ 11,444 $ 7,928 $ 4,782 $ 136,932 Provision (benefit) for credit losses 5,083 222 (440) (2,578) (1,151) (37) 1,099 Charge-offs (707) (170) — (9) (102) (192) (1,180) Recoveries 938 23 16 32 322 113 1,444 Balance at March 31, 2023 $ 59,149 $ 36,266 $ 22,328 $ 8,889 $ 6,997 $ 4,666 $ 138,295 (in thousands) Commercial and industrial CRE - investor owned CRE - Construction and land development Residential real estate Other Total Allowance for credit losses on loans: Balance at December 31, 2021 $ 63,825 $ 35,877 $ 17,560 $ 14,536 $ 7,927 $ 5,316 $ 145,041 Provision (benefit) for credit losses (1,481) 121 (582) (1,574) (456) (336) (4,308) Charge-offs (2,159) — (180) — (887) (86) (3,312) Recoveries 790 196 240 21 525 19 1,791 Balance at March 31, 2022 $ 60,975 $ 36,194 $ 17,038 $ 12,983 $ 7,109 $ 4,913 $ 139,212 The ACL on sponsor finance loans, which is included in the categories above, represented $21.0 million and $16.1 million, respectively, as of March 31, 2023 and December 31, 2022. The CECL methodology incorporates various economic scenarios. The Company utilizes three forecasts in the model: Moody’s baseline, a stronger near-term growth upside and a moderate recession downside forecast. The Company weights these scenarios at 40%, 30%, and 30%, respectively, which added approximately $14.2 million to the ACL over the baseline model at March 31, 2023. These forecasts incorporate an expectation that the Federal Reserve will continue quantitative tightening and raise the federal funds rate to 5.00% to 5.25% in 2023 and that the recent bank failures are not an indication of a broader problem in the industry. The Company has also recognized various risks posed by loans in certain segments, including the hospitality and commercial office sectors, by allocating additional reserves to those segments. Some of the key risks to the forecasts that could result in future provision for credit losses are market reactions to the Federal Reserve policy actions that could push the economy into a recession, persistently higher inflation, tightening in the credit markets, and further weakness in the financial system. In addition to the CECL methodology, the Company incorporates qualitative adjustments into the ACL on loans to capture credit risks inherent within the loan portfolio that are not captured in the discounted cash flow (DCF) model. Included in these risks are 1) changes in lending policies and procedures, 2) actual and expected changes in business and economic conditions, 3) changes in the nature and volume of the portfolio, 4) changes in lending management, 5) changes in volume and the severity of past due loans, 6) changes in the quality of the loan review system, 7) changes in the value of underlying collateral, 8) the existence and effect of concentrations of credit and 9) other factors such as the regulatory, legal and competitive environments and events such as natural disasters and pandemics. At March 31, 2023, the ACL on loans included a qualitative adjustment of approximately $43.2 million. Of this amount, approximately $13.8 million was allocated to sponsor finance loans due to their unsecured nature. The current-period gross charge-offs by loan class and year of origination is presented in the following table: March 31, 2023 Term Loans by Origination Year (in thousands) 2022 2021 Prior Revolving Loans Total Commercial and industrial $ 1 $ — $ — $ 570 $ 571 Real estate: Commercial - investor owned — 170 — — 170 Construction and land development — — 9 — 9 Residential — — 102 — 102 Other — — 3 — 3 Total current-period gross charge-offs by risk rating $ 1 $ 170 $ 114 $ 570 $ 855 Total current-period gross charge-offs by performing status 325 Total current-period gross charge-offs $ 1,180 The following tables present the recorded investment in nonperforming loans by category: March 31, 2023 (in thousands) Nonaccrual Loans over 90 days past due and still accruing interest Total nonperforming loans Nonaccrual loans with no allowance Commercial and industrial $ 5,252 $ 73 $ 5,325 $ 1,002 Real estate: Commercial - investor owned 3,887 — 3,887 — Commercial - owner occupied 1,547 — 1,547 — Construction and land development 1,201 — 1,201 1,201 Other — 12 12 — Total $ 11,887 $ 85 $ 11,972 $ 2,203 December 31, 2022 (in thousands) Nonaccrual Restructured, accruing Loans over 90 days past due and still accruing interest Total nonperforming loans Nonaccrual loans with no allowance Commercial and industrial $ 4,373 $ — $ 70 $ 4,443 $ 1,047 Real estate: Commercial - investor owned 3,023 — — 3,023 — Commercial - owner occupied 1,177 — — 1,177 — Construction and land development 1,192 — — 1,192 1,192 Residential — 73 — 73 — Other 1 — 72 73 — Total $ 9,766 $ 73 $ 142 $ 9,981 $ 2,239 The nonperforming loan balances at March 31, 2023 and December 31, 2022 exclude government guaranteed balances of $6.8 million and $6.7 million, respectively. No material interest income was recognized on nonaccrual loans during the three months ended March 31, 2023 or 2022. Collateral-dependent nonperforming loans by class of loan is presented as of the dates indicated: March 31, 2023 Type of Collateral (in thousands) Commercial Real Estate Residential Real Estate Blanket Lien Commercial and industrial $ — $ 950 $ 1,002 Real estate: Commercial - investor owned 2,177 773 — Commercial - owner occupied 1,547 — — Construction and land development 1,201 Residential — — — Total $ 3,724 $ 2,924 $ 1,002 December 31, 2022 Type of Collateral (in thousands) Commercial Real Estate Residential Real Estate Blanket Lien Commercial and industrial $ — $ — $ 1,047 Real estate: Commercial - investor owned 2,238 785 — Commercial - owner occupied 1,177 — — Construction and land development — 1,192 — Residential — 73 — Total $ 3,415 $ 2,050 $ 1,047 The aging of the recorded investment in past due loans by class is presented as of the dates indicated. March 31, 2023 (in thousands) 30-89 Days 90 or More Total Current Total Commercial and industrial $ 3,244 $ 1,894 $ 5,138 $ 4,027,051 $ 4,032,189 Real estate: Commercial - investor owned 2,086 1,098 3,184 2,414,895 2,418,079 Commercial - owner occupied 2,780 4,084 6,864 2,274,359 2,281,223 Construction and land development 396 — 396 662,868 663,264 Residential 2,414 — 2,414 361,645 364,059 Other 151 12 163 259,838 260,001 Loans, before unearned loan fees $ 11,071 $ 7,088 $ 18,159 $ 10,000,656 $ 10,018,815 Unearned loan fees, net (6,897) Total $ 10,011,918 December 31, 2022 (in thousands) 30-89 Days 90 or More Total Current Total Commercial and industrial $ 555 $ 2,373 $ 2,928 $ 3,857,036 $ 3,859,964 Real estate: Commercial - investor owned — 1,135 1,135 2,356,685 2,357,820 Commercial - owner occupied 8,628 164 8,792 2,261,759 2,270,551 Construction and land development 9 1,192 1,201 610,364 611,565 Residential 1,227 — 1,227 394,310 395,537 Other 18 72 90 248,900 248,990 Loans, before unearned loan fees $ 10,437 $ 4,936 $ 15,373 $ 9,729,054 $ 9,744,427 Unearned loan fees, net (7,289) Total $ 9,737,138 The allowance for credit losses incorporates an estimate of lifetime expected credit losses and is recorded on each asset upon origination or acquisition. The starting point for the estimate of the allowance for credit losses is historical loss information, which includes losses from modifications of receivables to borrowers experiencing financial difficulty. The Company uses a probability of default/loss given default model to determine the allowance for credit losses. An assessment of whether a borrower is experiencing financial difficulty is made on the date of a modification. The effect of most modifications made to borrowers experiencing financial difficulty is already included in the allowance for credit losses because of the measurement methodologies used to estimate the allowance. The most common concession the Company provides to borrowers experiencing financial difficulty is a term extension. In limited circumstances, the Company may modify loans by providing principal forgiveness or an interest rate reduction. When principal forgiveness is provided, the amortized cost basis of the asset is written off against the allowance for credit losses. The amount of the principal forgiveness is deemed to be uncollectible; therefore, that portion of the loan is written off, resulting in a reduction of the amortized cost basis and a corresponding adjustment to the allowance for credit losses. In some cases, the Company will modify a loan by providing multiple types of concessions. Typically, one type of concession, such as a term extension, is granted initially. If the borrower continues to experience financial difficulty, another concession, such as an interest rate reduction or principal forgiveness, may be granted. The following table shows loans modified to borrowers experiencing financial difficulty, disaggregated by loan class and type of concession granted: Term Extension (in thousands) March 31, 2023 % of Total Class of Financing Receivable Commercial and industrial $ 22,818 0.57 % Real estate: Construction and land development 1,201 0.18 % Total $ 24,019 The term extensions were for 2-12 months, and all loans were current under the modified terms. There were no loans restructured during the three months ended March 31, 2022, and no troubled debt restructurings subsequently defaulted during the three months ended March 31, 2022. The Company categorizes loans into risk categories based on relevant information about the ability of borrowers to service their debt, such as current financial information, payment experience, credit documentation, current economic factors and other factors. This analysis is performed on a quarterly basis. The Company uses the following definitions for risk ratings: • Grades 1, 2, and 3 – Includes loans to borrowers with a continuous record of strong earnings, sound balance sheet condition and capitalization, ample liquidity with solid cash flow, and whose management team has experience and depth within their industry. • Grade 4 – Includes loans to borrowers with positive trends in profitability, satisfactory capitalization and balance sheet condition, and sufficient liquidity and cash flow. • Grade 5 – Includes loans to borrowers that may display fluctuating trends in sales, profitability, capitalization, liquidity, and cash flow. • Grade 6 – Includes loans to borrowers where an adverse change or perceived weakness has occurred, but may be correctable in the near future. Alternatively, this rating category may include circumstances where the borrower is starting to reverse a negative trend or condition, or has recently been upgraded from a 7, 8, or 9 rating. • Grade 7 – Special Mention credits are borrowers that experienced financial setback of a nature that is not determined to be severe or influence ‘ongoing concern’ expectations. Although possible, no loss is anticipated at this time, due to strong collateral and/or guarantor support. • Grade 8 – Substandard credits include those borrowers characterized by significant losses and sustained downward trends in balance sheet condition, liquidity, and cash flow. Repayment reliance may have shifted to secondary sources. Collateral exposure may exist and additional reserves may be warranted. • Grade 9 – Doubtful credits include borrowers that may show deteriorating trends that are unlikely to be corrected. Collateral values may appear insufficient for full recovery, therefore requiring a partial charge-off, or debt renegotiation with the borrower. The borrower may have declared bankruptcy or bankruptcy is likely in the near term. All doubtful rated credits will be on nonaccrual. The recorded investment by risk category of the loans by class and year of origination is presented in the following tables as of the dates indicated: March 31, 2023 Term Loans by Origination Year (in thousands) 2023 2022 2021 2020 2019 Prior Revolving Loans Converted to Term Loans Revolving Loans Total Commercial and industrial Pass (1-6) $ 446,623 $ 1,294,156 $ 487,289 $ 296,880 $ 163,807 $ 107,963 $ 9,928 $ 1,003,625 $ 3,810,271 Special Mention (7) 11,145 21,894 17,320 13,862 477 11,766 — 68,846 145,310 Classified (8-9) 5,570 10,929 5,569 1,497 23 452 175 27,903 52,118 Total Commercial and industrial $ 463,338 $ 1,326,979 $ 510,178 $ 312,239 $ 164,307 $ 120,181 $ 10,103 $ 1,100,374 $ 4,007,699 Commercial real estate-investor owned Pass (1-6) $ 133,638 $ 649,170 $ 571,133 $ 385,909 $ 217,109 $ 293,114 $ 1,701 $ 60,720 $ 2,312,494 Special Mention (7) — 26,002 5,241 23,260 10,952 12,909 — — 78,364 Classified (8-9) — 1,809 — 462 639 5,845 49 — 8,804 Total Commercial real estate-investor owned $ 133,638 $ 676,981 $ 576,374 $ 409,631 $ 228,700 $ 311,868 $ 1,750 $ 60,720 $ 2,399,662 Commercial real estate-owner occupied Pass (1-6) $ 113,180 $ 520,215 $ 527,516 $ 348,955 $ 205,503 $ 371,027 $ — $ 57,489 $ 2,143,885 Special Mention (7) 9,608 5,946 4,862 19,644 4,459 13,660 4,962 300 63,441 Classified (8-9) — — 2,214 5,025 9,412 27,511 — 595 44,757 Total Commercial real estate-owner occupied $ 122,788 $ 526,161 $ 534,592 $ 373,624 $ 219,374 $ 412,198 $ 4,962 $ 58,384 $ 2,252,083 Construction real estate Pass (1-6) $ 106,759 $ 288,291 $ 198,719 $ 51,005 $ 2,931 $ 10,045 $ — $ 1,637 $ 659,387 Special Mention (7) — 1,284 — 146 145 217 — — 1,792 Classified (8-9) 1,201 396 — — 13 475 — — 2,085 Total Construction real estate $ 107,960 $ 289,971 $ 198,719 $ 51,151 $ 3,089 $ 10,737 $ — $ 1,637 $ 663,264 Residential real estate Pass (1-6) $ 9,606 $ 50,504 $ 54,407 $ 37,471 $ 20,438 $ 94,722 $ 774 $ 91,520 $ 359,442 Special Mention (7) — 329 — — 77 1,119 — — 1,525 Classified (8-9) — 119 72 — 51 2,039 — 75 2,356 Total residential real estate $ 9,606 $ 50,952 $ 54,479 $ 37,471 $ 20,566 $ 97,880 $ 774 $ 91,595 $ 363,323 Other Pass (1-6) $ 960 $ 60,165 $ 85,417 $ 55,789 $ 9,973 $ 26,899 $ — $ 6,833 $ 246,036 Special Mention (7) — — — — — — — — — Classified (8-9) — — — — 2 12 — — 14 Total Other $ 960 $ 60,165 $ 85,417 $ 55,789 $ 9,975 $ 26,911 $ — $ 6,833 $ 246,050 Total loans classified by risk category $ 838,290 $ 2,931,209 $ 1,959,759 $ 1,239,905 $ 646,011 $ 979,775 $ 17,589 $ 1,319,543 $ 9,932,081 Total loans classified by performing status 79,837 Total loans $ 10,011,918 December 31, 2022 Term Loans by Origination Year (in thousands) 2022 2021 2020 2019 2018 Prior Revolving Loans Converted to Term Loans Revolving Loans Total Commercial and industrial Pass (1-6) $ 1,403,381 $ 635,275 $ 332,740 $ 172,127 $ 62,729 $ 66,152 $ 8,388 $ 964,592 $ 3,645,384 Special Mention (7) 37,048 10,836 13,858 423 7,995 4,102 — 72,944 147,206 Classified (8-9) 16,176 4,457 1,627 24 166 183 — 21,349 43,982 Total Commercial and industrial $ 1,456,605 $ 650,568 $ 348,225 $ 172,574 $ 70,890 $ 70,437 $ 8,388 $ 1,058,885 $ 3,836,572 Commercial real estate-investor owned Pass (1-6) $ 667,107 $ 584,644 $ 392,402 $ 240,033 $ 115,530 $ 202,661 $ 1,457 $ 53,051 $ 2,256,885 Special Mention (7) 18,844 5,751 23,502 11,605 — 13,063 — — 72,765 Classified (8-9) 1,823 — 465 953 193 6,092 49 — 9,575 Total Commercial real estate-investor owned $ 687,774 $ 590,395 $ 416,369 $ 252,591 $ 115,723 $ 221,816 $ 1,506 $ 53,051 $ 2,339,225 Commercial real estate-owner occupied Pass (1-6) $ 539,610 $ 555,690 $ 362,150 $ 232,335 $ 123,095 $ 270,613 $ — $ 57,308 $ 2,140,801 Special Mention (7) 11,164 3,801 16,856 4,455 13,043 9,009 — 800 59,128 Classified (8-9) — 1,572 3,483 8,910 15,873 11,387 — — 41,225 Total Commercial real estate-owner occupied $ 550,774 $ 561,063 $ 382,489 $ 245,700 $ 152,011 $ 291,009 $ — $ 58,108 $ 2,241,154 Construction real estate Pass (1-6) $ 290,146 $ 232,998 $ 53,129 $ 2,909 $ 2,061 $ 8,480 $ — $ 1,769 $ 591,492 Special Mention (7) 17,331 — 681 146 111 106 — — 18,375 Classified (8-9) 1,192 — — 14 471 21 — — 1,698 Total Construction real estate $ 308,669 $ 232,998 $ 53,810 $ 3,069 $ 2,643 $ 8,607 $ — $ 1,769 $ 611,565 Residential real estate Pass (1-6) $ 63,317 $ 60,910 $ 48,796 $ 20,943 $ 11,259 $ 88,795 $ 579 $ 96,304 $ 390,903 Special Mention (7) 331 — — 79 352 781 — — 1,543 Classified (8-9) 121 73 — 53 1,102 994 — 5 2,348 Total residential real estate $ 63,769 $ 60,983 $ 48,796 $ 21,075 $ 12,713 $ 90,570 $ 579 $ 96,309 $ 394,794 Other Pass (1-6) $ 38,753 $ 88,613 $ 56,252 $ 10,556 $ 20,508 $ 10,796 $ — $ 9,536 $ 235,014 Special Mention (7) — — — — — — — — — Classified (8-9) — — — 4 3 11 3 4 25 Total Other $ 38,753 $ 88,613 $ 56,252 $ 10,560 $ 20,511 $ 10,807 $ 3 $ 9,540 $ 235,039 Total loans classified by risk category $ 3,106,344 $ 2,184,620 $ 1,305,941 $ 705,569 $ 374,491 $ 693,246 $ 10,476 $ 1,277,662 $ 9,658,349 Total loans classified by performing status 78,789 Total loans $ 9,737,138 In the tables above, loan originations in 2023 and 2022 with a classification of “special mention” or “classified” primarily represent renewals or modifications initially underwritten and originated in prior years. For certain loans the Company evaluates credit quality based on the aging status. The following tables present the recorded investment on loans based on payment activity as of the dates indicated: March 31, 2023 (in thousands) Performing Non Performing Total Commercial and industrial $ 24,417 $ 73 $ 24,490 Real estate: Commercial - investor owned 18,417 — 18,417 Commercial - owner occupied 29,140 — 29,140 Residential 736 — 736 Other 7,042 12 7,054 Total $ 79,752 $ 85 $ 79,837 December 31, 2022 (in thousands) Performing Non Performing Total Commercial and industrial $ 23,240 $ 70 $ 23,310 Real estate: Commercial - investor owned 18,595 — 18,595 Commercial - owner occupied 29,397 — 29,397 Residential 743 — 743 Other 6,672 72 6,744 Total $ 78,647 $ 142 $ 78,789

Commitments

Commitments	3 Months Ended
	Mar. 31, 2023
Commitments and Contingencies Disclosure [Abstract]
Commitments	COMMITMENTS AND CONTINGENCIES The Company issues financial instruments with off balance sheet risk in the normal course of business. These financial instruments include commitments to extend credit and standby letters of credit. These instruments may involve, to varying degrees, elements of credit and interest rate risk in excess of the amounts recognized in the consolidated balance sheets. The Company’s extent of involvement and maximum potential exposure to credit loss in the event of nonperformance by the other party to the financial instrument for commitments to extend credit and standby letters of credit is represented by the contractual amount of these instruments. The Company uses the same credit policies in making commitments and conditional obligations as it does for financial instruments included on its consolidated balance sheets. The contractual amounts of off-balance-sheet financial instruments are as follows: (in thousands) March 31, 2023 December 31, 2022 Commitments to extend credit $ 3,053,927 $ 3,113,966 Letters of credit 94,361 68,544 Off-Balance Sheet Credit Risk Commitments to extend credit are agreements to lend to a customer as long as there is no violation of any condition established in the contract. Commitments usually have fixed expiration dates or other termination clauses, may have significant usage restrictions, and may require payment of a fee. Of the total commitments to extend credit at March 31, 2023 and December 31, 2022, approximately $249.7 million and $246.5 million, respectively, represent fixed rate loan commitments. Since certain of the commitments may expire without being drawn upon or may be revoked, the total commitment amounts do not necessarily represent future cash requirements. The Company evaluates each customer’s credit worthiness on a case-by-case basis. The amount of collateral obtained, if deemed necessary by the Company upon extension of credit, is based on management’s credit evaluation of the borrower. Collateral held varies, but may include accounts receivable, inventory, premises and equipment, and real estate. Other liabilities includes $10.2 million and $12.1 million for estimated losses attributable to the unadvanced commitments at March 31, 2023 and December 31, 2022, respectively. Standby letters of credit are conditional commitments issued by the Company to guarantee the performance or payment of a customer to a third party. These standby letters of credit are issued to support contractual obligations of the Company’s customers. The credit risk involved in issuing letters of credit is essentially the same as the risk involved in extending loans to customers. As of March 31, 2023, the approximate remaining terms of standby letters of credit range from 1 month to 10 years. Contingencies The Company and its subsidiaries are, from time to time, parties to various legal proceedings arising out of their businesses. Management believes there are no such proceedings pending or threatened against the Company or its subsidiaries which, if determined adversely, would have a material adverse effect on the business, consolidated financial condition, results of operations or cash flows of the Company or any of its subsidiaries.

Derivative Financial Instrument

Derivative Financial Instruments	3 Months Ended
	Mar. 31, 2023
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Derivative Financial Instruments	DERIVATIVE FINANCIAL INSTRUMENTS Risk Management Objective of Using Derivatives The Company is exposed to certain risks arising from both its business operations and economic conditions. The Company principally manages its exposures to a wide variety of business and operational risks through management of its core business activities. The Company 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 Company enters into derivative financial instruments to manage exposures that arise from business activities that result in the receipt or payment of future known and uncertain cash amounts, the value of which are determined by interest rates. The Company’s derivative financial instruments are used to manage differences in the amount, timing, and duration of the Company’s known or expected cash receipts and its known or expected cash payments principally related to the Company’s borrowings. The Company does not enter into derivative financial instruments for trading purposes. Cash Flow Hedges of Interest Rate Risk The Company’s objectives in using interest rate derivatives are to add stability to interest expense and to manage its exposure to interest rate movements. To accomplish this objective, the Company primarily uses interest rate swaps as part of its interest rate risk management strategy. For hedges of the Company’s variable-rate loans, interest rate swaps designated as cash flow hedges involve the receipt of fixed amounts and the Company making variable rate payments. In the fourth quarter 2022, the Company executed a cash flow hedge to reduce a portion of variability in cash flows on the Company’s prime based loan portfolio. The interest rate swap has a notional value of $100.0 million, that effectively fixes the interest rate at 6.63% for the notional amount and has a maturity date of January 1, 2028. In January 2023, the Company entered into another hedge on the prime based loan portfolio with a notional value of $50.0 million, that effectively fixes the interest rate at 6.56% for the notional amount and has a maturity date of February 1, 2027. In addition, the Company executed a prime based interest rate collar in the fourth quarter 2022 with a notional amount of $100.0 million. The collar includes a cap of 8.14% and a floor of 5.25%. This transaction, commonly referred to as a zero cost collar, involves the Company selling an interest rate cap where payments will be made when the index exceeds the cap rate, and the purchase of a floor where payments will be received if the index falls below the floor. The collar matures on October 1, 2029. Interest rate swaps designated as cash flow hedges involve the receipt of variable amounts from a counterparty in exchange for the Company making fixed-rate payments over the life of the agreements without exchange of the underlying notional amount. These derivatives were used to hedge the variable cash flows associated with existing variable-rate debt. The Company has executed a series of cash flow hedges to fix the effective interest rate for payments due on $62.0 million of LIBOR-based junior subordinated debentures to a weighted-average-fixed rate o f 2.62%. Select terms of the hedges are as follows: (in thousands) Notional Fixed Rate Maturity Date $ 15,465 2.60 % March 15, 2024 $ 14,433 2.60 % March 30, 2024 $ 18,558 2.64 % March 15, 2026 $ 13,506 2.64 % March 17, 2026 The gain or loss on derivatives designated and qualified as cash flow hedges of interest rate risk are recorded in accumulated other comprehensive income and subsequently reclassified into interest income or expense in the same period(s) during which the hedged transaction affects earnings. Amounts reported in accumulated other comprehensive income related to derivatives will be reclassified to interest income or expense as interest payments are paid on the Company’s variable-rate loans and debt. During the next twelve months, the Company estimates an additional $1.8 million will be reclassified as a decrease to interest income and $1.3 million will be reclassified as a decrease to interest expense. Non-designated Hedges Derivatives not designated as hedges are not considered speculative and result from a service the Company provides to certain customers. The Company executes interest rate swaps with commercial banking customers to facilitate their respective risk management strategies. Those interest rate swaps are simultaneously hedged by offsetting derivatives the Company executes with a third party, such that the Company minimizes its net risk exposure resulting from such transactions. As the interest rate derivatives associated with this program do not meet the strict hedge accounting requirements, changes in the fair value of both the customer derivatives and the offsetting derivatives are recognized directly in earnings as a component of other noninterest income. The table below presents the fair value of the Company’s derivative financial instruments: Notional Amount Derivative Assets Derivative Liabilities (in thousands) March 31, December 31, 2022 March 31, December 31, 2022 March 31, December 31, 2022 Derivatives Designated as Hedging Instruments: Interest rate swap $ 211,962 $ 161,962 $ 2,455 $ 2,348 $ 86 $ 921 Interest rate collar 100,000 100,000 751 — — 48 Total $ 3,206 $ 2,348 $ 86 $ 969 Derivatives not Designated as Hedging Instruments: Interest rate swap $ 705,097 $ 687,902 $ 16,769 $ 20,610 $ 16,772 $ 20,612 The table below presents a gross presentation, the effects of offsetting, and a net presentation of the Company’s financial instruments subject to offsetting. The gross amounts of assets or liabilities can be reconciled to the tabular disclosure of fair value. The fair value table above provides the location financial assets and liabilities are presented on the Balance Sheet. As of March 31, 2023 Gross Amounts Not Offset in the Statement of Financial Position (in thousands) Gross Amounts Recognized Gross Amounts Offset in the Statement of Financial Position Net Amounts of Assets presented in the Statement of Financial Position Financial Instruments Fair Value Collateral Received/ Pledged Net Amount Assets: Interest rate swap $ 19,224 $ — $ 19,224 $ (1,290) $ 17,934 $ — Interest rate collar 751 — 751 — — 751 Liabilities: Interest rate swap $ 16,858 $ — $ 16,858 $ (1,290) $ — $ 15,568 Securities sold under agreements to repurchase 161,573 — 161,573 — 161,573 — As of December 31, 2022 Gross Amounts Not Offset in the Statement of Financial Position (in thousands) Gross Amounts Recognized Gross Amounts Offset in the Statement of Financial Position Net Amounts of Assets presented in the Statement of Financial Position Financial Instruments Fair Value Collateral Received/ Pledged Net Amount Assets: Interest rate swap $ 22,958 $ — $ 22,958 $ — $ 9,010 $ 13,948 Liabilities: Interest rate swap $ 21,533 $ — $ 21,533 $ — $ — $ 21,533 Interest rate collar 48 — 48 — — 48 Securities sold under agreements to repurchase 270,773 — 270,773 — 270,773 —

Fair Value Measurements

Fair Value Measurements	3 Months Ended
	Mar. 31, 2023
Fair Value Disclosures [Abstract]
Fair Value Measurements	FAIR VALUE MEASUREMENTS The following table summarizes financial instruments measured at fair value on a recurring basis segregated by the level of the valuation inputs within the fair value hierarchy utilized to measure fair value: March 31, 2023 (in thousands) Quoted Prices in Significant Significant Total Fair Assets Securities available for sale Obligations of U.S. Government-sponsored enterprises $ — $ 265,705 $ — $ 265,705 Obligations of states and political subdivisions — 430,693 — 430,693 Agency mortgage-backed securities — 650,451 — 650,451 U.S. Treasury bills — 200,103 — 200,103 Corporate debt securities — 8,157 — 8,157 Total securities available for sale — 1,555,109 — 1,555,109 Other investments — 2,770 — 2,770 Derivatives — 19,975 — 19,975 Total assets $ — $ 1,577,854 $ — $ 1,577,854 Liabilities Derivatives $ — $ 16,858 $ — $ 16,858 Total liabilities $ — $ 16,858 $ — $ 16,858 December 31, 2022 (in thousands) Quoted Prices in Significant Significant Total Fair Assets Securities available for sale Obligations of U.S. Government-sponsored enterprises $ — $ 237,785 $ — $ 237,785 Obligations of states and political subdivisions — 417,444 — 417,444 Residential mortgage-backed securities — 659,404 — 659,404 U.S. Treasury bills — 208,534 — 208,534 Corporate debt securities — 12,640 — 12,640 Total securities available-for-sale — 1,535,807 — 1,535,807 Other investments — 2,667 — 2,667 Derivative financial instruments — 22,958 — 22,958 Total assets $ — $ 1,561,432 $ — $ 1,561,432 Liabilities Derivatives $ — $ 21,581 $ — $ 21,581 Total liabilities $ — $ 21,581 $ — $ 21,581 From time to time, the Company measures certain assets at fair value on a nonrecurring basis. These include assets measured at the lower of cost or fair value that were recognized at fair value below cost at the end of the period. The amounts reported in the following tables include balances measured at fair value during the reporting period and still held as of the reporting date. March 31, 2023 (in thousands) Total Fair Value Quoted Prices in Active Significant Significant Loan servicing asset 1,004 — 1,004 — December 31, 2022 (in thousands) Total Fair Value Quoted Prices in Active Significant Significant Other real estate 269 — — 269 Loan servicing asset 1,027 1,027 — Total $ 1,296 $ — $ 1,027 $ 269 Following is a summary of the carrying amounts and fair values of certain financial instruments: March 31, 2023 December 31, 2022 (in thousands) Carrying Amount Estimated fair value Level Carrying Amount Estimated fair value Level Balance sheet assets Securities held-to-maturity, net $ 720,694 $ 656,553 Level 2 $ 709,915 $ 628,517 Level 2 Other investments 60,173 60,173 Level 2 61,123 61,123 Level 2 Loans held for sale 261 261 Level 2 1,228 1,228 Level 2 Loans, net 9,873,623 $ 9,587,197 Level 3 9,600,206 9,328,844 Level 3 State tax credits, held for sale 27,308 28,933 Level 3 27,700 28,880 Level 3 Servicing asset 3,343 4,342 Level 2 3,648 3,905 Level 2 Balance sheet liabilities Certificates of deposit $ 893,673 $ 877,954 Level 3 $ 530,708 $ 512,229 Level 3 Subordinated debentures and notes 155,569 150,559 Level 2 155,433 152,679 Level 2 FHLB advances 100,000 100,000 Level 2 100,000 100,004 Level 2 Other borrowings 213,489 213,489 Level 2 324,119 324,119 Level 2 For information regarding the methods and assumptions used to estimate the fair value of each class of financial instruments refer to Note 19 – Fair Value Measurements in the Company’s Annual Report on Form 10-K for the year ended December 31, 2022, as filed with the SEC.

SHAREHOLDERS_ EQUITY

SHAREHOLDERS’ EQUITY	3 Months Ended
	Mar. 31, 2022
Equity [Abstract]
SHAREHOLDERS’ EQUITY	SHAREHOLDERS’ EQUITY Shareholders’ Equity Accumulated Other Comprehensive Income (Loss) The following table present the changes in accumulated other comprehensive income after-tax by component: Three months ended (in thousands) Net Unrealized Gain (Loss) on Available-for-Sale Securities Unamortized Gain (Loss) on Held-to-Maturity Securities Net Unrealized Gain (Loss) on Cash Flow Hedges Total Balance, December 31, 2022 $ (144,549) $ 13,185 $ 1,032 $ (130,332) Net change $ 23,693 $ (638) $ 1,302 $ 24,357 Balance, March 31, 2023 $ (120,856) $ 12,547 $ 2,334 $ (105,975) Balance, December 31, 2021 $ 5,271 $ 15,684 $ (2,178) $ 18,777 Net change $ (79,353) $ (704) $ 2,020 $ (78,037) Transfer from available-for-sale to held-to-maturity (197) 197 — — Balance, March 31, 2022 $ (74,279) $ 15,177 $ (158) $ (59,260) The following tables present the pre-tax and after-tax changes in the components of other comprehensive income: Three months ended March 31, 2023 2022 (in thousands) Pre-tax Tax effect After-tax Pre-tax Tax effect After-tax Change in unrealized gain (loss) on available-for-sale securities $ 32,056 $ 8,078 $ 23,978 $ (106,087) $ (26,734) $ (79,353) Reclassification of gain on sale of available-for-sale securities (a) (381) (96) (285) — — — Reclassification of gain on held-to-maturity securities (b) (852) (214) (638) (941) (237) (704) Change in unrealized gain on cash flow hedges 1,705 430 1,275 2,341 590 1,751 Reclassification of loss on cash flow hedges (b) 36 9 27 359 90 269 Total other comprehensive income (loss) $ 32,564 $ 8,207 $ 24,357 $ (104,328) $ (26,291) $ (78,037) (a) The pre-tax amount is reported in noninterest income/expense in the Consolidated Statements of Operations (b) The pre-tax amount is reported in interest income/expense in the Consolidated Statements of Income.

Supplemental Financial Informat

Supplemental Financial Information	3 Months Ended
	Mar. 31, 2023
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Supplemental Financial Information	SUPPLEMENTAL FINANCIAL INFORMATION The following table presents miscellaneous income and other expense components that primarily exceed one percent of the aggregate of total interest income and other income in one or more of the periods indicated: Three months ended March 31, (in thousands) 2023 2022 Other income: Bank-owned life insurance $ 791 $ 1,034 Community development fees 595 2,166 Other income 4,717 3,008 Total other noninterest income $ 6,103 $ 6,208 Other expense: Amortization of intangibles $ 1,239 $ 1,430 Banking expense 1,848 1,501 Deposit costs 12,720 4,260 FDIC and other insurance 2,572 1,855 Loan, legal expenses 1,904 1,733 Outside services 1,545 1,262 Other expense 7,250 5,909 Total other noninterest expense $ 29,078 $ 17,950

Summary of Significant Accoun_2

Summary of Significant Accounting Policies (Policies)	3 Months Ended
	Mar. 31, 2023
Accounting Policies [Abstract]
Business and Consolidation	Basis of Financial Statement Presentation The accompanying unaudited condensed consolidated financial statements of the Company and its subsidiaries have been prepared in accordance with GAAP for interim financial information and with the instructions to Form 10-Q and Rule 10-01 of Regulation S-X. Except as disclosed herein, there has been no material change in the information disclosed in the Notes to Consolidated Financial Statements included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2022. The condensed consolidated financial statements include the accounts of the Company and its subsidiaries, all of which are wholly owned. All intercompany accounts and transactions have been eliminated. In the opinion of management, the consolidated financial statements contain all adjustments (consisting of normal recurring accruals) considered necessary for the fair presentation of the statements of financial position, results of operations, and cash flow for the interim periods.
Recent Accounting Pronouncements	Recent Accounting Pronouncements On January 1, 2023, the Company adopted ASU 2022-02, Financial Instruments–Credit Losses (Topic 326); Troubled Debt Restructurings and Vintage Disclosures. ASU 2022-02 was issued in March 2022 and eliminates the accounting guidance on troubled debt restructurings for creditors in ASC 310-40 and amends the guidance on “vintage disclosures” to require disclosure of current-period gross charge-offs by year of origination. The ASU also updates the requirements related to accounting for credit losses under ASC 326 and adds enhanced disclosures for creditors with respect to loan refinancings and restructurings for borrowers experiencing financial difficulty. The adoption of this update did not have a material effect on the Company’s consolidated financial statements. FASB ASU 2021-01, Reference Rate Reform (Topic 848): Scope (ASU 2021-01) . ASU 2021-01 was issued in January 2021 and provides optional expedients and exceptions in ASC 848 to contracts, hedging relationships, and other transactions affected by reference rate reform if certain criteria are met. The amendment only applies to contracts, hedging relationships, and other transactions that reference LIBOR or another reference rate expected to be discontinued because of reference rate reform. The expedients and exceptions provided by the amendments will not apply to contract modifications made and hedging relationships entered into or evaluated after December 31, 2022, except for hedging relationships existing as of December 31, 2022, where an entity has elected certain optional expedients for and that are retained through the end of the hedging relationship. The amendments in this update were effective immediately upon issuance and did not have a material effect on the consolidated financial statements. In December 2022, ASU 2022-06 Reference Rate Reform (Topic 848): Deferral of the Sunset date of Topic 848 was issued, which extends the sunset date from December 31, 2022 to December 31, 2024. FASB ASU 2022-03, Fair Value Measurement of Equity Securities Subject to Contractual Sale Restrictions. ASU 2022-03 was issued in June 2022 to (1) clarify the guidance in Topic 820, Fair Value Measurement, when measuring the fair value of an equity security subject to contractual restrictions that prohibit the sale of an equity security, (2) amend a related illustrative example, and (3) introduce new disclosure requirements for equity securities subject to contractual sale restrictions that are measured at fair value in accordance with Topic 820. The amendments in this update are effective for fiscal years beginning after December 15, 2023, and interim periods within those fiscal years. The Company has evaluated the accounting and disclosure requirements of ASU 2022-03 and does not expect them to have a material effect on the consolidated financial statements. FASB ASU 2023-02, Accounting for Investments in Tax Credit Structures Using the Proportional Amortization Method . ASU 2023-02 was issued in March 2023 to allow reporting entities to consistently account for equity investments made primarily for the purpose of receiving income tax credits and other income tax benefits. If certain conditions are met, a reporting entity may elect to account for its tax equity investments by using the proportional amortization method regardless of the program from which it receives income tax credits, instead of only low-income-housing tax credit (“LIHTC”) structures. This amendment also eliminates certain LIHTC-specific guidance aligning the accounting with other equity investments in tax credit structures. The amendments in this update are effective for fiscal years beginning after December 15, 2023, and interim periods within those fiscal years. The Company is evaluating the accounting and disclosure requirements of ASU 2023-02 and does not expect them to have a material effect on the consolidated financial statements.

Earnings Per Share (Tables)

Earnings Per Share (Tables)	3 Months Ended
	Mar. 31, 2023
Earnings Per Share [Abstract]
Summary of Per Common Share Data and Amounts	The following table presents a summary of per common share data and amounts for the periods indicated. Three months ended March 31, (in thousands, except per share data) 2023 2022 Net income available to common shareholders $ 54,800 $ 46,464 Weighted average common shares outstanding 37,305 37,788 Additional dilutive common stock equivalents 182 70 Weighted average diluted common shares outstanding 37,487 37,858 Basic earnings per common share: $ 1.47 $ 1.23 Diluted earnings per common share: 1.46 1.23

Investments (Tables)

Investments (Tables)	3 Months Ended
	Mar. 31, 2023
Investments, Debt and Equity Securities [Abstract]
Schedule of Available-for-sale and Held-to-Maturity Securities Reconciliation	The following tables present the amortized cost, gross unrealized gains and losses, allowance for credit losses and fair value of securities available for sale and held to maturity: March 31, 2023 (in thousands) Amortized Cost Gross Gross Fair Value Available-for-sale securities: Obligations of U.S. Government-sponsored enterprises $ 289,560 $ 95 $ (23,950) $ 265,705 Obligations of states and political subdivisions 503,883 53 (73,243) 430,693 Agency mortgage-backed securities 710,642 557 (60,748) 650,451 U.S. Treasury bills 203,596 22 (3,515) 200,103 Corporate debt securities 9,000 — (843) 8,157 Total securities available for sale $ 1,716,681 $ 727 $ (162,299) $ 1,555,109 Held-to-maturity securities: Obligations of states and political subdivisions $ 541,345 $ 5,133 $ (54,232) $ 492,246 Agency mortgage-backed securities 55,897 — (5,566) 50,331 Corporate debt securities 124,324 176 (10,524) 113,976 Total securities held-to-maturity $ 721,566 $ 5,309 $ (70,322) $ 656,553 Allowance for credit losses (872) Total securities held-to-maturity, net $ 720,694 December 31, 2022 (in thousands) Amortized Cost Gross Gross Fair Value Available-for-sale securities: Obligations of U.S. Government-sponsored enterprises $ 266,090 $ — $ (28,305) $ 237,785 Obligations of states and political subdivisions 507,842 27 (90,425) 417,444 Agency mortgage-backed securities 727,931 453 (68,980) 659,404 U.S. Treasury Bills 213,441 1 (4,908) 208,534 Corporate debt securities 13,750 — (1,110) 12,640 Total securities available for sale $ 1,729,054 $ 481 $ (193,728) $ 1,535,807 Held-to-maturity securities: Obligations of states and political subdivisions $ 529,012 $ 2,321 $ (65,347) $ 465,986 Agency mortgage-backed securities 57,018 — (6,416) 50,602 Corporate debt securities 124,620 163 (12,854) 111,929 Total securities held to maturity $ 710,650 $ 2,484 $ (84,617) $ 628,517 Allowance for credit losses (735) Total securities held-to-maturity, net $ 709,915
Schedule of Available-for-sale and Held-to-Maturity Securities Reconciliation	The following tables present the amortized cost, gross unrealized gains and losses, allowance for credit losses and fair value of securities available for sale and held to maturity: March 31, 2023 (in thousands) Amortized Cost Gross Gross Fair Value Available-for-sale securities: Obligations of U.S. Government-sponsored enterprises $ 289,560 $ 95 $ (23,950) $ 265,705 Obligations of states and political subdivisions 503,883 53 (73,243) 430,693 Agency mortgage-backed securities 710,642 557 (60,748) 650,451 U.S. Treasury bills 203,596 22 (3,515) 200,103 Corporate debt securities 9,000 — (843) 8,157 Total securities available for sale $ 1,716,681 $ 727 $ (162,299) $ 1,555,109 Held-to-maturity securities: Obligations of states and political subdivisions $ 541,345 $ 5,133 $ (54,232) $ 492,246 Agency mortgage-backed securities 55,897 — (5,566) 50,331 Corporate debt securities 124,324 176 (10,524) 113,976 Total securities held-to-maturity $ 721,566 $ 5,309 $ (70,322) $ 656,553 Allowance for credit losses (872) Total securities held-to-maturity, net $ 720,694 December 31, 2022 (in thousands) Amortized Cost Gross Gross Fair Value Available-for-sale securities: Obligations of U.S. Government-sponsored enterprises $ 266,090 $ — $ (28,305) $ 237,785 Obligations of states and political subdivisions 507,842 27 (90,425) 417,444 Agency mortgage-backed securities 727,931 453 (68,980) 659,404 U.S. Treasury Bills 213,441 1 (4,908) 208,534 Corporate debt securities 13,750 — (1,110) 12,640 Total securities available for sale $ 1,729,054 $ 481 $ (193,728) $ 1,535,807 Held-to-maturity securities: Obligations of states and political subdivisions $ 529,012 $ 2,321 $ (65,347) $ 465,986 Agency mortgage-backed securities 57,018 — (6,416) 50,602 Corporate debt securities 124,620 163 (12,854) 111,929 Total securities held to maturity $ 710,650 $ 2,484 $ (84,617) $ 628,517 Allowance for credit losses (735) Total securities held-to-maturity, net $ 709,915
Investments Classified by Contractual Maturity Date	The amortized cost and estimated fair value of debt securities at March 31, 2023, by contractual maturity, are shown below. 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 weighted average life of the mortgage-backed securities is approximately 6 years. Available for sale Held to maturity (in thousands) Amortized Cost Estimated Fair Value Amortized Cost Estimated Fair Value Due in one year or less $ 97,485 $ 97,369 $ 720 $ 720 Due after one year through five years 370,543 347,074 50,396 47,082 Due after five years through ten years 70,480 64,238 187,914 177,985 Due after ten years 467,531 395,977 426,639 380,435 Agency mortgage-backed securities 710,642 650,451 55,897 50,331 $ 1,716,681 $ 1,555,109 $ 721,566 $ 656,553
Schedule of Unrealized Loss on Investments	The following tables presents a summary of available-for-sale investment securities in an unrealized loss position: March 31, 2023 Less than 12 months 12 months or more Total (in thousands) Fair Value Unrealized Losses Fair Value Unrealized Losses Fair Value Unrealized Losses Obligations of U.S. Government-sponsored enterprises $ 31,351 $ 671 $ 224,294 $ 23,279 $ 255,645 $ 23,950 Obligations of states and political subdivisions 1,954 165 424,582 73,078 426,536 73,243 Agency mortgage-backed securities 198,052 6,861 407,782 53,887 605,834 60,748 U.S. Treasury bills 150,570 2,153 23,795 1,362 174,365 3,515 Corporate debt securities 3,664 336 4,243 507 7,907 843 $ 385,591 $ 10,186 $ 1,084,696 $ 152,113 $ 1,470,287 $ 162,299 December 31, 2022 Less than 12 months 12 months or more Total (in thousands) Fair Value Unrealized Losses Fair Value Unrealized Losses Fair Value Unrealized Losses Obligations of U.S. Government-sponsored enterprises $ 73,738 $ 6,249 $ 163,047 $ 22,056 $ 236,785 $ 28,305 Obligations of states and political subdivisions 103,179 13,501 311,634 76,924 414,813 90,425 Agency mortgage-backed securities 334,431 20,038 281,321 48,942 615,752 68,980 U.S. Treasury bills 198,688 4,908 — — 198,688 4,908 Corporate debt securities 12,640 1,110 — — 12,640 1,110 $ 722,676 $ 45,806 $ 756,002 $ 147,922 $ 1,478,678 $ 193,728

Loans (Tables)

Loans (Tables)	3 Months Ended
	Mar. 31, 2023
Non-covered Loans [Line Items]
Summary of Recorded Investment by Risk Category of Portfolio Loans by Portfolio Class and Category	The current-period gross charge-offs by loan class and year of origination is presented in the following table: March 31, 2023 Term Loans by Origination Year (in thousands) 2022 2021 Prior Revolving Loans Total Commercial and industrial $ 1 $ — $ — $ 570 $ 571 Real estate: Commercial - investor owned — 170 — — 170 Construction and land development — — 9 — 9 Residential — — 102 — 102 Other — — 3 — 3 Total current-period gross charge-offs by risk rating $ 1 $ 170 $ 114 $ 570 $ 855 Total current-period gross charge-offs by performing status 325 Total current-period gross charge-offs $ 1,180 The recorded investment by risk category of the loans by class and year of origination is presented in the following tables as of the dates indicated: March 31, 2023 Term Loans by Origination Year (in thousands) 2023 2022 2021 2020 2019 Prior Revolving Loans Converted to Term Loans Revolving Loans Total Commercial and industrial Pass (1-6) $ 446,623 $ 1,294,156 $ 487,289 $ 296,880 $ 163,807 $ 107,963 $ 9,928 $ 1,003,625 $ 3,810,271 Special Mention (7) 11,145 21,894 17,320 13,862 477 11,766 — 68,846 145,310 Classified (8-9) 5,570 10,929 5,569 1,497 23 452 175 27,903 52,118 Total Commercial and industrial $ 463,338 $ 1,326,979 $ 510,178 $ 312,239 $ 164,307 $ 120,181 $ 10,103 $ 1,100,374 $ 4,007,699 Commercial real estate-investor owned Pass (1-6) $ 133,638 $ 649,170 $ 571,133 $ 385,909 $ 217,109 $ 293,114 $ 1,701 $ 60,720 $ 2,312,494 Special Mention (7) — 26,002 5,241 23,260 10,952 12,909 — — 78,364 Classified (8-9) — 1,809 — 462 639 5,845 49 — 8,804 Total Commercial real estate-investor owned $ 133,638 $ 676,981 $ 576,374 $ 409,631 $ 228,700 $ 311,868 $ 1,750 $ 60,720 $ 2,399,662 Commercial real estate-owner occupied Pass (1-6) $ 113,180 $ 520,215 $ 527,516 $ 348,955 $ 205,503 $ 371,027 $ — $ 57,489 $ 2,143,885 Special Mention (7) 9,608 5,946 4,862 19,644 4,459 13,660 4,962 300 63,441 Classified (8-9) — — 2,214 5,025 9,412 27,511 — 595 44,757 Total Commercial real estate-owner occupied $ 122,788 $ 526,161 $ 534,592 $ 373,624 $ 219,374 $ 412,198 $ 4,962 $ 58,384 $ 2,252,083 Construction real estate Pass (1-6) $ 106,759 $ 288,291 $ 198,719 $ 51,005 $ 2,931 $ 10,045 $ — $ 1,637 $ 659,387 Special Mention (7) — 1,284 — 146 145 217 — — 1,792 Classified (8-9) 1,201 396 — — 13 475 — — 2,085 Total Construction real estate $ 107,960 $ 289,971 $ 198,719 $ 51,151 $ 3,089 $ 10,737 $ — $ 1,637 $ 663,264 Residential real estate Pass (1-6) $ 9,606 $ 50,504 $ 54,407 $ 37,471 $ 20,438 $ 94,722 $ 774 $ 91,520 $ 359,442 Special Mention (7) — 329 — — 77 1,119 — — 1,525 Classified (8-9) — 119 72 — 51 2,039 — 75 2,356 Total residential real estate $ 9,606 $ 50,952 $ 54,479 $ 37,471 $ 20,566 $ 97,880 $ 774 $ 91,595 $ 363,323 Other Pass (1-6) $ 960 $ 60,165 $ 85,417 $ 55,789 $ 9,973 $ 26,899 $ — $ 6,833 $ 246,036 Special Mention (7) — — — — — — — — — Classified (8-9) — — — — 2 12 — — 14 Total Other $ 960 $ 60,165 $ 85,417 $ 55,789 $ 9,975 $ 26,911 $ — $ 6,833 $ 246,050 Total loans classified by risk category $ 838,290 $ 2,931,209 $ 1,959,759 $ 1,239,905 $ 646,011 $ 979,775 $ 17,589 $ 1,319,543 $ 9,932,081 Total loans classified by performing status 79,837 Total loans $ 10,011,918 December 31, 2022 Term Loans by Origination Year (in thousands) 2022 2021 2020 2019 2018 Prior Revolving Loans Converted to Term Loans Revolving Loans Total Commercial and industrial Pass (1-6) $ 1,403,381 $ 635,275 $ 332,740 $ 172,127 $ 62,729 $ 66,152 $ 8,388 $ 964,592 $ 3,645,384 Special Mention (7) 37,048 10,836 13,858 423 7,995 4,102 — 72,944 147,206 Classified (8-9) 16,176 4,457 1,627 24 166 183 — 21,349 43,982 Total Commercial and industrial $ 1,456,605 $ 650,568 $ 348,225 $ 172,574 $ 70,890 $ 70,437 $ 8,388 $ 1,058,885 $ 3,836,572 Commercial real estate-investor owned Pass (1-6) $ 667,107 $ 584,644 $ 392,402 $ 240,033 $ 115,530 $ 202,661 $ 1,457 $ 53,051 $ 2,256,885 Special Mention (7) 18,844 5,751 23,502 11,605 — 13,063 — — 72,765 Classified (8-9) 1,823 — 465 953 193 6,092 49 — 9,575 Total Commercial real estate-investor owned $ 687,774 $ 590,395 $ 416,369 $ 252,591 $ 115,723 $ 221,816 $ 1,506 $ 53,051 $ 2,339,225 Commercial real estate-owner occupied Pass (1-6) $ 539,610 $ 555,690 $ 362,150 $ 232,335 $ 123,095 $ 270,613 $ — $ 57,308 $ 2,140,801 Special Mention (7) 11,164 3,801 16,856 4,455 13,043 9,009 — 800 59,128 Classified (8-9) — 1,572 3,483 8,910 15,873 11,387 — — 41,225 Total Commercial real estate-owner occupied $ 550,774 $ 561,063 $ 382,489 $ 245,700 $ 152,011 $ 291,009 $ — $ 58,108 $ 2,241,154 Construction real estate Pass (1-6) $ 290,146 $ 232,998 $ 53,129 $ 2,909 $ 2,061 $ 8,480 $ — $ 1,769 $ 591,492 Special Mention (7) 17,331 — 681 146 111 106 — — 18,375 Classified (8-9) 1,192 — — 14 471 21 — — 1,698 Total Construction real estate $ 308,669 $ 232,998 $ 53,810 $ 3,069 $ 2,643 $ 8,607 $ — $ 1,769 $ 611,565 Residential real estate Pass (1-6) $ 63,317 $ 60,910 $ 48,796 $ 20,943 $ 11,259 $ 88,795 $ 579 $ 96,304 $ 390,903 Special Mention (7) 331 — — 79 352 781 — — 1,543 Classified (8-9) 121 73 — 53 1,102 994 — 5 2,348 Total residential real estate $ 63,769 $ 60,983 $ 48,796 $ 21,075 $ 12,713 $ 90,570 $ 579 $ 96,309 $ 394,794 Other Pass (1-6) $ 38,753 $ 88,613 $ 56,252 $ 10,556 $ 20,508 $ 10,796 $ — $ 9,536 $ 235,014 Special Mention (7) — — — — — — — — — Classified (8-9) — — — 4 3 11 3 4 25 Total Other $ 38,753 $ 88,613 $ 56,252 $ 10,560 $ 20,511 $ 10,807 $ 3 $ 9,540 $ 235,039 Total loans classified by risk category $ 3,106,344 $ 2,184,620 $ 1,305,941 $ 705,569 $ 374,491 $ 693,246 $ 10,476 $ 1,277,662 $ 9,658,349 Total loans classified by performing status 78,789 Total loans $ 9,737,138 The following tables present the recorded investment on loans based on payment activity as of the dates indicated: March 31, 2023 (in thousands) Performing Non Performing Total Commercial and industrial $ 24,417 $ 73 $ 24,490 Real estate: Commercial - investor owned 18,417 — 18,417 Commercial - owner occupied 29,140 — 29,140 Residential 736 — 736 Other 7,042 12 7,054 Total $ 79,752 $ 85 $ 79,837 December 31, 2022 (in thousands) Performing Non Performing Total Commercial and industrial $ 23,240 $ 70 $ 23,310 Real estate: Commercial - investor owned 18,595 — 18,595 Commercial - owner occupied 29,397 — 29,397 Residential 743 — 743 Other 6,672 72 6,744 Total $ 78,647 $ 142 $ 78,789
Loan Modification	The following table shows loans modified to borrowers experiencing financial difficulty, disaggregated by loan class and type of concession granted: Term Extension (in thousands) March 31, 2023 % of Total Class of Financing Receivable Commercial and industrial $ 22,818 0.57 % Real estate: Construction and land development 1,201 0.18 % Total $ 24,019
Portfolio loans, net
Non-covered Loans [Line Items]
Summary of Portfolio Loans by Category	The following table presents a summary of loans by category: (in thousands) March 31, 2023 December 31, 2022 Commercial and industrial $ 4,032,189 $ 3,859,964 Real estate: Commercial - investor owned 2,418,079 2,357,820 Commercial - owner occupied 2,281,223 2,270,551 Construction and land development 663,264 611,565 Residential 364,059 395,537 Total real estate loans 5,726,625 5,635,473 Other 260,001 248,990 Loans, before unearned loan fees 10,018,815 9,744,427 Unearned loan fees, net (6,897) (7,289) Loans, including unearned loan fees $ 10,011,918 $ 9,737,138
Summary of Allowance for Loan Losses and the Recorded Investment in Portfolio Loans by Class and Category Based on Impairment Method	A summary of the activity in the ACL on loans by category for the three months ended March 31, 2023 and 2022 is as follows: (in thousands) Commercial and industrial CRE - investor owned CRE - Construction and land development Residential real estate Other Total Allowance for credit losses on loans: Balance at December 31, 2022 $ 53,835 $ 36,191 $ 22,752 $ 11,444 $ 7,928 $ 4,782 $ 136,932 Provision (benefit) for credit losses 5,083 222 (440) (2,578) (1,151) (37) 1,099 Charge-offs (707) (170) — (9) (102) (192) (1,180) Recoveries 938 23 16 32 322 113 1,444 Balance at March 31, 2023 $ 59,149 $ 36,266 $ 22,328 $ 8,889 $ 6,997 $ 4,666 $ 138,295 (in thousands) Commercial and industrial CRE - investor owned CRE - Construction and land development Residential real estate Other Total Allowance for credit losses on loans: Balance at December 31, 2021 $ 63,825 $ 35,877 $ 17,560 $ 14,536 $ 7,927 $ 5,316 $ 145,041 Provision (benefit) for credit losses (1,481) 121 (582) (1,574) (456) (336) (4,308) Charge-offs (2,159) — (180) — (887) (86) (3,312) Recoveries 790 196 240 21 525 19 1,791 Balance at March 31, 2022 $ 60,975 $ 36,194 $ 17,038 $ 12,983 $ 7,109 $ 4,913 $ 139,212
Schedule of Recorded Investment in Nonperforming Loans by Category	The following tables present the recorded investment in nonperforming loans by category: March 31, 2023 (in thousands) Nonaccrual Loans over 90 days past due and still accruing interest Total nonperforming loans Nonaccrual loans with no allowance Commercial and industrial $ 5,252 $ 73 $ 5,325 $ 1,002 Real estate: Commercial - investor owned 3,887 — 3,887 — Commercial - owner occupied 1,547 — 1,547 — Construction and land development 1,201 — 1,201 1,201 Other — 12 12 — Total $ 11,887 $ 85 $ 11,972 $ 2,203 December 31, 2022 (in thousands) Nonaccrual Restructured, accruing Loans over 90 days past due and still accruing interest Total nonperforming loans Nonaccrual loans with no allowance Commercial and industrial $ 4,373 $ — $ 70 $ 4,443 $ 1,047 Real estate: Commercial - investor owned 3,023 — — 3,023 — Commercial - owner occupied 1,177 — — 1,177 — Construction and land development 1,192 — — 1,192 1,192 Residential — 73 — 73 — Other 1 — 72 73 — Total $ 9,766 $ 73 $ 142 $ 9,981 $ 2,239
Schedule of Collateral Dependent Loans	Collateral-dependent nonperforming loans by class of loan is presented as of the dates indicated: March 31, 2023 Type of Collateral (in thousands) Commercial Real Estate Residential Real Estate Blanket Lien Commercial and industrial $ — $ 950 $ 1,002 Real estate: Commercial - investor owned 2,177 773 — Commercial - owner occupied 1,547 — — Construction and land development 1,201 Residential — — — Total $ 3,724 $ 2,924 $ 1,002 December 31, 2022 Type of Collateral (in thousands) Commercial Real Estate Residential Real Estate Blanket Lien Commercial and industrial $ — $ — $ 1,047 Real estate: Commercial - investor owned 2,238 785 — Commercial - owner occupied 1,177 — — Construction and land development — 1,192 — Residential — 73 — Total $ 3,415 $ 2,050 $ 1,047
Summary of Aging of Recorded Investment in Past Due Portfolio Loans by Portfolio Class and Category	The aging of the recorded investment in past due loans by class is presented as of the dates indicated. March 31, 2023 (in thousands) 30-89 Days 90 or More Total Current Total Commercial and industrial $ 3,244 $ 1,894 $ 5,138 $ 4,027,051 $ 4,032,189 Real estate: Commercial - investor owned 2,086 1,098 3,184 2,414,895 2,418,079 Commercial - owner occupied 2,780 4,084 6,864 2,274,359 2,281,223 Construction and land development 396 — 396 662,868 663,264 Residential 2,414 — 2,414 361,645 364,059 Other 151 12 163 259,838 260,001 Loans, before unearned loan fees $ 11,071 $ 7,088 $ 18,159 $ 10,000,656 $ 10,018,815 Unearned loan fees, net (6,897) Total $ 10,011,918 December 31, 2022 (in thousands) 30-89 Days 90 or More Total Current Total Commercial and industrial $ 555 $ 2,373 $ 2,928 $ 3,857,036 $ 3,859,964 Real estate: Commercial - investor owned — 1,135 1,135 2,356,685 2,357,820 Commercial - owner occupied 8,628 164 8,792 2,261,759 2,270,551 Construction and land development 9 1,192 1,201 610,364 611,565 Residential 1,227 — 1,227 394,310 395,537 Other 18 72 90 248,900 248,990 Loans, before unearned loan fees $ 10,437 $ 4,936 $ 15,373 $ 9,729,054 $ 9,744,427 Unearned loan fees, net (7,289) Total $ 9,737,138

Commitments (Tables)

Commitments (Tables)	3 Months Ended
	Mar. 31, 2023
Commitments and Contingencies Disclosure [Abstract]
Schedule of Commitments	The contractual amounts of off-balance-sheet financial instruments are as follows: (in thousands) March 31, 2023 December 31, 2022 Commitments to extend credit $ 3,053,927 $ 3,113,966 Letters of credit 94,361 68,544

Derivative Financial Instrume_2

Derivative Financial Instruments (Tables)	3 Months Ended
	Mar. 31, 2023
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Schedule of Derivative Instruments in Statement of Financial Position, Fair Value	The table below presents the fair value of the Company’s derivative financial instruments: Notional Amount Derivative Assets Derivative Liabilities (in thousands) March 31, December 31, 2022 March 31, December 31, 2022 March 31, December 31, 2022 Derivatives Designated as Hedging Instruments: Interest rate swap $ 211,962 $ 161,962 $ 2,455 $ 2,348 $ 86 $ 921 Interest rate collar 100,000 100,000 751 — — 48 Total $ 3,206 $ 2,348 $ 86 $ 969 Derivatives not Designated as Hedging Instruments: Interest rate swap $ 705,097 $ 687,902 $ 16,769 $ 20,610 $ 16,772 $ 20,612 The table below presents a gross presentation, the effects of offsetting, and a net presentation of the Company’s financial instruments subject to offsetting. The gross amounts of assets or liabilities can be reconciled to the tabular disclosure of fair value. The fair value table above provides the location financial assets and liabilities are presented on the Balance Sheet. As of March 31, 2023 Gross Amounts Not Offset in the Statement of Financial Position (in thousands) Gross Amounts Recognized Gross Amounts Offset in the Statement of Financial Position Net Amounts of Assets presented in the Statement of Financial Position Financial Instruments Fair Value Collateral Received/ Pledged Net Amount Assets: Interest rate swap $ 19,224 $ — $ 19,224 $ (1,290) $ 17,934 $ — Interest rate collar 751 — 751 — — 751 Liabilities: Interest rate swap $ 16,858 $ — $ 16,858 $ (1,290) $ — $ 15,568 Securities sold under agreements to repurchase 161,573 — 161,573 — 161,573 — As of December 31, 2022 Gross Amounts Not Offset in the Statement of Financial Position (in thousands) Gross Amounts Recognized Gross Amounts Offset in the Statement of Financial Position Net Amounts of Assets presented in the Statement of Financial Position Financial Instruments Fair Value Collateral Received/ Pledged Net Amount Assets: Interest rate swap $ 22,958 $ — $ 22,958 $ — $ 9,010 $ 13,948 Liabilities: Interest rate swap $ 21,533 $ — $ 21,533 $ — $ — $ 21,533 Interest rate collar 48 — 48 — — 48 Securities sold under agreements to repurchase 270,773 — 270,773 — 270,773 —

Fair Value Measurements (Tables

Fair Value Measurements (Tables)	3 Months Ended
	Mar. 31, 2023
Fair Value Disclosures [Abstract]
Summary of Financial Instruments Measured at Fair Value on a Recurring Basis	The following table summarizes financial instruments measured at fair value on a recurring basis segregated by the level of the valuation inputs within the fair value hierarchy utilized to measure fair value: March 31, 2023 (in thousands) Quoted Prices in Significant Significant Total Fair Assets Securities available for sale Obligations of U.S. Government-sponsored enterprises $ — $ 265,705 $ — $ 265,705 Obligations of states and political subdivisions — 430,693 — 430,693 Agency mortgage-backed securities — 650,451 — 650,451 U.S. Treasury bills — 200,103 — 200,103 Corporate debt securities — 8,157 — 8,157 Total securities available for sale — 1,555,109 — 1,555,109 Other investments — 2,770 — 2,770 Derivatives — 19,975 — 19,975 Total assets $ — $ 1,577,854 $ — $ 1,577,854 Liabilities Derivatives $ — $ 16,858 $ — $ 16,858 Total liabilities $ — $ 16,858 $ — $ 16,858 December 31, 2022 (in thousands) Quoted Prices in Significant Significant Total Fair Assets Securities available for sale Obligations of U.S. Government-sponsored enterprises $ — $ 237,785 $ — $ 237,785 Obligations of states and political subdivisions — 417,444 — 417,444 Residential mortgage-backed securities — 659,404 — 659,404 U.S. Treasury bills — 208,534 — 208,534 Corporate debt securities — 12,640 — 12,640 Total securities available-for-sale — 1,535,807 — 1,535,807 Other investments — 2,667 — 2,667 Derivative financial instruments — 22,958 — 22,958 Total assets $ — $ 1,561,432 $ — $ 1,561,432 Liabilities Derivatives $ — $ 21,581 $ — $ 21,581 Total liabilities $ — $ 21,581 $ — $ 21,581
Summary of Financial Instruments and Non-Financial Assets Measured at Fair Value on a Non-Recurring Basis	These include assets measured at the lower of cost or fair value that were recognized at fair value below cost at the end of the period. The amounts reported in the following tables include balances measured at fair value during the reporting period and still held as of the reporting date. March 31, 2023 (in thousands) Total Fair Value Quoted Prices in Active Significant Significant Loan servicing asset 1,004 — 1,004 — December 31, 2022 (in thousands) Total Fair Value Quoted Prices in Active Significant Significant Other real estate 269 — — 269 Loan servicing asset 1,027 1,027 — Total $ 1,296 $ — $ 1,027 $ 269
Summary of Carrying Amount and Fair Values of Financial Instruments Reported on the Balance Sheets	Following is a summary of the carrying amounts and fair values of certain financial instruments: March 31, 2023 December 31, 2022 (in thousands) Carrying Amount Estimated fair value Level Carrying Amount Estimated fair value Level Balance sheet assets Securities held-to-maturity, net $ 720,694 $ 656,553 Level 2 $ 709,915 $ 628,517 Level 2 Other investments 60,173 60,173 Level 2 61,123 61,123 Level 2 Loans held for sale 261 261 Level 2 1,228 1,228 Level 2 Loans, net 9,873,623 $ 9,587,197 Level 3 9,600,206 9,328,844 Level 3 State tax credits, held for sale 27,308 28,933 Level 3 27,700 28,880 Level 3 Servicing asset 3,343 4,342 Level 2 3,648 3,905 Level 2 Balance sheet liabilities Certificates of deposit $ 893,673 $ 877,954 Level 3 $ 530,708 $ 512,229 Level 3 Subordinated debentures and notes 155,569 150,559 Level 2 155,433 152,679 Level 2 FHLB advances 100,000 100,000 Level 2 100,000 100,004 Level 2 Other borrowings 213,489 213,489 Level 2 324,119 324,119 Level 2

SHAREHOLDERS_ EQUITY (Tables)

SHAREHOLDERS’ EQUITY (Tables)	3 Months Ended
	Mar. 31, 2023
Equity [Abstract]
Schedule of Accumulated Other Comprehensive Income (Loss)	The following table present the changes in accumulated other comprehensive income after-tax by component: Three months ended (in thousands) Net Unrealized Gain (Loss) on Available-for-Sale Securities Unamortized Gain (Loss) on Held-to-Maturity Securities Net Unrealized Gain (Loss) on Cash Flow Hedges Total Balance, December 31, 2022 $ (144,549) $ 13,185 $ 1,032 $ (130,332) Net change $ 23,693 $ (638) $ 1,302 $ 24,357 Balance, March 31, 2023 $ (120,856) $ 12,547 $ 2,334 $ (105,975) Balance, December 31, 2021 $ 5,271 $ 15,684 $ (2,178) $ 18,777 Net change $ (79,353) $ (704) $ 2,020 $ (78,037) Transfer from available-for-sale to held-to-maturity (197) 197 — — Balance, March 31, 2022 $ (74,279) $ 15,177 $ (158) $ (59,260)
Schedule of Pre-tax and After-tax Changes in the Components of Other Comprehensive Income	The following tables present the pre-tax and after-tax changes in the components of other comprehensive income: Three months ended March 31, 2023 2022 (in thousands) Pre-tax Tax effect After-tax Pre-tax Tax effect After-tax Change in unrealized gain (loss) on available-for-sale securities $ 32,056 $ 8,078 $ 23,978 $ (106,087) $ (26,734) $ (79,353) Reclassification of gain on sale of available-for-sale securities (a) (381) (96) (285) — — — Reclassification of gain on held-to-maturity securities (b) (852) (214) (638) (941) (237) (704) Change in unrealized gain on cash flow hedges 1,705 430 1,275 2,341 590 1,751 Reclassification of loss on cash flow hedges (b) 36 9 27 359 90 269 Total other comprehensive income (loss) $ 32,564 $ 8,207 $ 24,357 $ (104,328) $ (26,291) $ (78,037) (a) The pre-tax amount is reported in noninterest income/expense in the Consolidated Statements of Operations (b) The pre-tax amount is reported in interest income/expense in the Consolidated Statements of Income.

Supplemental Financial Inform_2

Supplemental Financial Information (Tables)	3 Months Ended
	Mar. 31, 2023
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Supplemental Financial Information	The following table presents miscellaneous income and other expense components that primarily exceed one percent of the aggregate of total interest income and other income in one or more of the periods indicated: Three months ended March 31, (in thousands) 2023 2022 Other income: Bank-owned life insurance $ 791 $ 1,034 Community development fees 595 2,166 Other income 4,717 3,008 Total other noninterest income $ 6,103 $ 6,208 Other expense: Amortization of intangibles $ 1,239 $ 1,430 Banking expense 1,848 1,501 Deposit costs 12,720 4,260 FDIC and other insurance 2,572 1,855 Loan, legal expenses 1,904 1,733 Outside services 1,545 1,262 Other expense 7,250 5,909 Total other noninterest expense $ 29,078 $ 17,950

Earnings Per Share (Details)

Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Earnings Per Share [Abstract]
Net income available to common shareholders	$ 54,800	$ 46,464
Weighted average common shares outstanding (in shares)	37,305,000	37,788,000
Additional dilutive common stock equivalents (in shares)	182,000	70,000
Weighted average diluted common shares outstanding (in shares)	37,487,000	37,858,000
Basic earnings per common share (in dollars per share)	$ 1.47	$ 1.23
Diluted earnings per common share (in dollars per share)	$ 1.46	$ 1.23
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	311,000	276,000

Investments - Schedule of Avail

Investments - Schedule of Available-for-sale and Held-to-Maturity Securities Reconciliation (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Debt Securities, Held-to-maturity [Abstract]
Amortized Cost	$ 721,566	$ 710,650
Gross Unrealized Gains	5,309	2,484
Gross Unrealized Losses	(70,322)	(84,617)
Allowance for Credit Losses	(872)	(735)
Fair Value	656,553	628,517
Securities held-to-maturity, net	720,694	709,915
Debt Securities, Available-for-sale [Abstract]
Amortized Cost	1,716,681	1,729,054
Gross Unrealized Gains	727	481
Gross Unrealized Losses	(162,299)	(193,728)
Securities available-for-sale	1,555,109	1,535,807
Obligations of U.S. Government-sponsored enterprises
Debt Securities, Available-for-sale [Abstract]
Amortized Cost	289,560	266,090
Gross Unrealized Gains	95	0
Gross Unrealized Losses	(23,950)	(28,305)
Securities available-for-sale	265,705	237,785
Obligations of states and political subdivisions
Debt Securities, Held-to-maturity [Abstract]
Amortized Cost	541,345	529,012
Gross Unrealized Gains	5,133	2,321
Gross Unrealized Losses	(54,232)	(65,347)
Fair Value	492,246	465,986
Debt Securities, Available-for-sale [Abstract]
Amortized Cost	503,883	507,842
Gross Unrealized Gains	53	27
Gross Unrealized Losses	(73,243)	(90,425)
Securities available-for-sale	430,693	417,444
Agency mortgage-backed securities
Debt Securities, Held-to-maturity [Abstract]
Amortized Cost	55,897	57,018
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(5,566)	(6,416)
Fair Value	50,331	50,602
Debt Securities, Available-for-sale [Abstract]
Amortized Cost	710,642	727,931
Gross Unrealized Gains	557	453
Gross Unrealized Losses	(60,748)	(68,980)
Securities available-for-sale	650,451	659,404
U.S. Treasury bills
Debt Securities, Available-for-sale [Abstract]
Amortized Cost	203,596	213,441
Gross Unrealized Gains	22	1
Gross Unrealized Losses	(3,515)	(4,908)
Securities available-for-sale	200,103	208,534
Corporate debt securities
Debt Securities, Held-to-maturity [Abstract]
Amortized Cost	124,324	124,620
Gross Unrealized Gains	176	163
Gross Unrealized Losses	(10,524)	(12,854)
Fair Value	113,976	111,929
Debt Securities, Available-for-sale [Abstract]
Amortized Cost	9,000	13,750
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(843)	(1,110)
Securities available-for-sale	$ 8,157	$ 12,640

Investments - Investments Class

Investments - Investments Classified by Contractual Maturity Date (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Available for sale, Amortized Cost
Due in one year or less	$ 97,485
Due after one year through five years	370,543
Due after five years through ten years	70,480
Due after ten years	467,531
Agency mortgage-backed securities	710,642
Amortized Cost	1,716,681	$ 1,729,054
Available for sale, Estimated Fair Value
Due in one year or less	97,369
Due after one year through five years	347,074
Due after five years through ten years	64,238
Due after ten years	395,977
Agency mortgage-backed securities	650,451
Securities available-for-sale	1,555,109	1,535,807
Held to maturity, Amortized Cost
Due in one year or less	720
Due after one year through five years	50,396
Due after five years through ten years	187,914
Due after ten years	426,639
Agency mortgage-backed securities	55,897
Amortized Cost	721,566	710,650
Held to maturity, Estimated Fair Value
Due in one year or less	720
Due after one year through five years	47,082
Due after five years through ten years	177,985
Due after ten years	380,435
Agency mortgage-backed securities	50,331
Fair Value	$ 656,553	$ 628,517

Investments - Schedule of Unrea

Investments - Schedule of Unrealized Loss on Investments (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	$ 385,591	$ 722,676
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	10,186	45,806
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	1,084,696	756,002
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	152,113	147,922
Debt Securities, Available-for-sale, Unrealized Loss Position	1,470,287	1,478,678
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	162,299	193,728
Obligations of U.S. Government-sponsored enterprises
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	31,351	73,738
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	671	6,249
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	224,294	163,047
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	23,279	22,056
Debt Securities, Available-for-sale, Unrealized Loss Position	255,645	236,785
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	23,950	28,305
Obligations of states and political subdivisions
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	1,954	103,179
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	165	13,501
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	424,582	311,634
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	73,078	76,924
Debt Securities, Available-for-sale, Unrealized Loss Position	426,536	414,813
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	73,243	90,425
Agency mortgage-backed securities
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	198,052	334,431
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	6,861	20,038
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	407,782	281,321
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	53,887	48,942
Debt Securities, Available-for-sale, Unrealized Loss Position	605,834	615,752
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	60,748	68,980
U.S. Treasury bills
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	3,664	12,640
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	336	1,110
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	4,243	0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	507	0
Debt Securities, Available-for-sale, Unrealized Loss Position	7,907	12,640
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	843	1,110
Corporate debt securities
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	150,570	198,688
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	2,153	4,908
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	23,795	0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	1,362	0
Debt Securities, Available-for-sale, Unrealized Loss Position	174,365	198,688
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	$ 3,515	$ 4,908

Investments - Narrative (Detail

Investments - Narrative (Details) - USD ($)	1 Months Ended		3 Months Ended
	Mar. 31, 2023	Jan. 31, 2023	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-sale, Amortized Cost	$ 1,716,681,000		$ 1,716,681,000		$ 1,729,054,000
Cumulative net unamortized unrealized gain	$ 727,000		$ 727,000		$ 481,000
Maximum percentage of shareholders' equity security holdings held of one issuer	10%		10%		10%
Securities pledged	$ 1,800,000,000		$ 1,800,000,000		$ 734,500,000
Mortgage-backed securities, weighted average life			6 years
Provision for credit losses on available-for-sale securities	4,800,000
Charge-off	4,800,000
Allowance for credit losses on available-for-sale securities	0		$ 0		0
Accrued interest receivable, held-to-maturity securities	6,600,000		6,600,000		5,800,000
Allowance for credit losses on held-to-maturity debt securities	(872,000)		(872,000)		(735,000)
Sale of debt securities, available-for-sale		$ 28,400,000	28,741,000	$ 0
Debt Securities, Available-for-sale, Realized Gain		$ 400,000
Other investments, at cost	62,943,000		62,943,000		63,790,000
Reclassified to Held to Maturity
Debt Securities, Available-for-sale [Line Items]
Cumulative net unamortized unrealized gain	16,800,000		16,800,000		17,600,000
Des Moines
Debt Securities, Available-for-sale [Line Items]
Other investments, at cost	$ 14,000,000		$ 14,000,000		$ 14,000,000

Loans - Summary of Portfolio Lo

Loans - Summary of Portfolio Loans by Category (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, before unearned loan fees	$ 10,011,918	$ 9,737,138
Portfolio loans, net
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, before unearned loan fees	10,018,815	9,744,427
Unearned loan fees, net	(6,897)	(7,289)
Loans and Lease Receivable, Including Unearned Loan Fees	10,011,918	9,737,138
Portfolio loans, net | Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, before unearned loan fees	4,032,189	3,859,964
Portfolio loans, net | Commercial - investor owned
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, before unearned loan fees	2,418,079	2,357,820
Portfolio loans, net | Commercial - owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, before unearned loan fees	2,281,223	2,270,551
Portfolio loans, net | Construction and land development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, before unearned loan fees	663,264	611,565
Portfolio loans, net | Residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, before unearned loan fees	364,059	395,537
Portfolio loans, net | Total real estate loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, before unearned loan fees	5,726,625	5,635,473
Portfolio loans, net | Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, before unearned loan fees	$ 260,001	$ 248,990

Loans - Narrative (Details)

Loans - Narrative (Details)	3 Months Ended		12 Months Ended
	Mar. 31, 2023 USD ($)	Mar. 31, 2022 USD ($) loan	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Purchased with Credit Deterioration, Discount (Premium)	$ 10,300,000		$ 11,900,000
Federal Home Loan Bank, Advances, General Debt Obligations, Maximum Amount Available	3,400,000,000		2,800,000,000
Proceeds from sale of SBA loans	8,800,000	$ 0
Gain on sale of SBA loans	501,000	0
Allowance for credit loss adjustment	43,200,000
Nonperforming loan balances, excluding government guaranteed balances	$ 6,800,000		6,700,000
Minimum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term extensions from modifications (in months)	2 months
Maximum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term extensions from modifications (in months)	12 months
Other Assets
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accrued interest receivable	$ 44,700,000		48,100,000
Enterprise Value Lending Portfolio Niche Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for credit loss adjustment	13,800,000
Non-Covered Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, allowance for credit loss	138,295,000	139,212,000	136,932,000	$ 145,041,000
Interest income on nonaccrual loans	0	$ 0
Number of loans restructured | loan		0
Number of troubled debt restructuring subsequently defaulted | loan		0
Non-Covered Loans | Enterprise Value Lending Portfolio Niche Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, allowance for credit loss	21,000,000
Non-Covered Loans | Agriculture Portfolio Niche Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, allowance for credit loss			$ 16,100,000
Cumulative Effect, Period Of Adoption, Adjustment | Non-Covered Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, allowance for credit loss	$ 14,200,000

Loans - Summary of Allowance fo

Loans - Summary of Allowance for Loan Losses by Portfolio Class and Category (Details) - Portfolio loans, net - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Allowance for Loan Losses [Roll Forward]
Beginning Balance	$ 136,932	$ 145,041
Provision (benefit) for credit losses	(1,099)	4,308
Charge-offs	(1,180)	(3,312)
Recoveries	1,444	1,791
Ending Balance	138,295	139,212
Commercial and industrial
Allowance for Loan Losses [Roll Forward]
Beginning Balance	53,835	63,825
Provision (benefit) for credit losses	(5,083)	1,481
Charge-offs	(707)	(2,159)
Recoveries	938	790
Ending Balance	59,149	60,975
CRE - investor owned
Allowance for Loan Losses [Roll Forward]
Beginning Balance	36,191	35,877
Provision (benefit) for credit losses	(222)	(121)
Charge-offs	(170)	0
Recoveries	23	196
Ending Balance	36,266	36,194
CRE - owner occupied
Allowance for Loan Losses [Roll Forward]
Beginning Balance	22,752	17,560
Provision (benefit) for credit losses	440	582
Charge-offs	0	(180)
Recoveries	16	240
Ending Balance	22,328	17,038
Construction and land development
Allowance for Loan Losses [Roll Forward]
Beginning Balance	11,444	14,536
Provision (benefit) for credit losses	2,578	1,574
Charge-offs	(9)	0
Recoveries	32	21
Ending Balance	8,889	12,983
Residential real estate
Allowance for Loan Losses [Roll Forward]
Beginning Balance	7,928	7,927
Provision (benefit) for credit losses	1,151	456
Charge-offs	(102)	(887)
Recoveries	322	525
Ending Balance	6,997	7,109
Other
Allowance for Loan Losses [Roll Forward]
Beginning Balance	4,782	5,316
Provision (benefit) for credit losses	37	336
Charge-offs	(192)	(86)
Recoveries	113	19
Ending Balance	$ 4,666	$ 4,913

Loans - Gross Chargeoffs (Detai

Loans - Gross Chargeoffs (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2023 USD ($)
Financing Receivable, Credit Quality Indicator [Line Items]
Total	$ 1,180
Risk Rating
Financing Receivable, Credit Quality Indicator [Line Items]
2022	1
2021	170
Prior	114
Revolving Loans	570
Total	855
Performing
Financing Receivable, Credit Quality Indicator [Line Items]
Total	325
Commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
2022	1
2021	0
Prior	0
Revolving Loans	570
Total	571
Commercial - investor owned
Financing Receivable, Credit Quality Indicator [Line Items]
2022	0
2021	170
Prior	0
Revolving Loans	0
Total	170
Construction and land development
Financing Receivable, Credit Quality Indicator [Line Items]
2022	0
2021	0
Prior	9
Revolving Loans	0
Total	9
Residential real estate
Financing Receivable, Credit Quality Indicator [Line Items]
2022	0
2021	0
Prior	102
Revolving Loans	0
Total	102
Other
Financing Receivable, Credit Quality Indicator [Line Items]
2022	0
2021	0
Prior	3
Revolving Loans	0
Total	$ 3

Loans - Recorded Investment in

Loans - Recorded Investment in Nonperforming Loans by Category (Details) - Non-Covered Loans - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Financing Receivable, Troubled Debt Restructuring [Line Items]
Nonaccrual	$ 11,887	$ 9,766
Restructured, accruing		73
Loans over 90 days past due and still accruing interest	85	142
Total nonperforming loans	11,972	9,981
Nonaccrual loans with no allowance	2,203	2,239
Commercial Real Estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total nonperforming loans	3,724	3,415
Residential Real Estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total nonperforming loans	2,924	2,050
Commercial and industrial
Financing Receivable, Troubled Debt Restructuring [Line Items]
Nonaccrual	5,252	4,373
Restructured, accruing		0
Loans over 90 days past due and still accruing interest	73	70
Total nonperforming loans	5,325	4,443
Nonaccrual loans with no allowance	1,002	1,047
Commercial and industrial | Commercial Real Estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total nonperforming loans	0	0
Commercial and industrial | Residential Real Estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total nonperforming loans	950	0
Commercial - investor owned
Financing Receivable, Troubled Debt Restructuring [Line Items]
Nonaccrual	3,887	3,023
Restructured, accruing		0
Loans over 90 days past due and still accruing interest	0	0
Total nonperforming loans	3,887	3,023
Nonaccrual loans with no allowance	0	0
Commercial - investor owned | Commercial Real Estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total nonperforming loans	2,177	2,238
Commercial - investor owned | Residential Real Estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total nonperforming loans	773	785
CRE - owner occupied
Financing Receivable, Troubled Debt Restructuring [Line Items]
Nonaccrual	1,547	1,177
Restructured, accruing		0
Loans over 90 days past due and still accruing interest	0	0
Total nonperforming loans	1,547	1,177
Nonaccrual loans with no allowance	0	0
CRE - owner occupied | Commercial Real Estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total nonperforming loans	1,547	1,177
CRE - owner occupied | Residential Real Estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total nonperforming loans	0	0
Construction and land development
Financing Receivable, Troubled Debt Restructuring [Line Items]
Nonaccrual	1,201	1,192
Restructured, accruing		0
Loans over 90 days past due and still accruing interest	0	0
Total nonperforming loans	1,201	1,192
Nonaccrual loans with no allowance	1,201	1,192
Construction and land development | Commercial Real Estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total nonperforming loans		0
Construction and land development | Residential Real Estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total nonperforming loans	1,201	1,192
Residential real estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Nonaccrual		0
Restructured, accruing		73
Loans over 90 days past due and still accruing interest		0
Total nonperforming loans		73
Nonaccrual loans with no allowance		0
Residential real estate | Commercial Real Estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total nonperforming loans	0	0
Residential real estate | Residential Real Estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total nonperforming loans	0	73
Other
Financing Receivable, Troubled Debt Restructuring [Line Items]
Nonaccrual	0	1
Restructured, accruing		0
Loans over 90 days past due and still accruing interest	12	72
Total nonperforming loans	12	73
Nonaccrual loans with no allowance	$ 0	$ 0

Loans - Schedule of Collateral

Loans - Schedule of Collateral Dependent Loans (Details) - Non-Covered Loans - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total nonperforming loans	$ 11,972	$ 9,981
Commercial Real Estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total nonperforming loans	3,724	3,415
Residential Real Estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total nonperforming loans	2,924	2,050
Blanket Lien
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total nonperforming loans	1,002	1,047
Commercial and industrial
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total nonperforming loans	5,325	4,443
Commercial and industrial | Commercial Real Estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total nonperforming loans	0	0
Commercial and industrial | Residential Real Estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total nonperforming loans	950	0
Commercial and industrial | Blanket Lien
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total nonperforming loans	1,002	1,047
Commercial - investor owned
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total nonperforming loans	3,887	3,023
Commercial - investor owned | Commercial Real Estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total nonperforming loans	2,177	2,238
Commercial - investor owned | Residential Real Estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total nonperforming loans	773	785
Commercial - investor owned | Blanket Lien
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total nonperforming loans	0	0
CRE - owner occupied
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total nonperforming loans	1,547	1,177
CRE - owner occupied | Commercial Real Estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total nonperforming loans	1,547	1,177
CRE - owner occupied | Residential Real Estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total nonperforming loans	0	0
CRE - owner occupied | Blanket Lien
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total nonperforming loans	0	0
Construction and land development
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total nonperforming loans	1,201	1,192
Construction and land development | Commercial Real Estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total nonperforming loans		0
Construction and land development | Residential Real Estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total nonperforming loans	1,201	1,192
Construction and land development | Blanket Lien
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total nonperforming loans		0
Residential real estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total nonperforming loans		73
Residential real estate | Commercial Real Estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total nonperforming loans	0	0
Residential real estate | Residential Real Estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total nonperforming loans	0	73
Residential real estate | Blanket Lien
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total nonperforming loans	$ 0	$ 0

Loans - Summary of Aging of Rec

Loans - Summary of Aging of Recorded Investment in Past Due Portfolio Loans by Portfolio Class and Category (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Financing Receivable, Past Due [Line Items]
Total	$ 10,011,918	$ 9,737,138
Non-Covered Loans
Financing Receivable, Past Due [Line Items]
Total	10,018,815	9,744,427
Loans, including unearned loan fees	10,011,918	9,737,138
Unearned loan fees, net	(6,897)	(7,289)
Financing Receivable, Covered, After Allowance For Credit Loss And Unearned Loan Fees, Net	10,018,815	9,744,427
Non-Covered Loans | Commercial and industrial
Financing Receivable, Past Due [Line Items]
Total	4,032,189	3,859,964
Loans, including unearned loan fees	4,032,189	3,859,964
Non-Covered Loans | CRE - investor owned
Financing Receivable, Past Due [Line Items]
Total	2,418,079	2,357,820
Loans, including unearned loan fees	2,418,079	2,357,820
Non-Covered Loans | CRE - owner occupied
Financing Receivable, Past Due [Line Items]
Total	2,281,223	2,270,551
Loans, including unearned loan fees	2,281,223	2,270,551
Non-Covered Loans | Construction and land development
Financing Receivable, Past Due [Line Items]
Total	663,264	611,565
Loans, including unearned loan fees	663,264	611,565
Non-Covered Loans | Residential real estate
Financing Receivable, Past Due [Line Items]
Total	364,059	395,537
Loans, including unearned loan fees	364,059	395,537
Non-Covered Loans | Other
Financing Receivable, Past Due [Line Items]
Total	260,001	248,990
Loans, including unearned loan fees	260,001	248,990
Total Past Due | Non-Covered Loans
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss, Fee and Loan in Process	18,159	15,373
Total Past Due | Non-Covered Loans | Commercial and industrial
Financing Receivable, Past Due [Line Items]
Total	5,138	2,928
Total Past Due | Non-Covered Loans | CRE - investor owned
Financing Receivable, Past Due [Line Items]
Total	3,184	1,135
Total Past Due | Non-Covered Loans | CRE - owner occupied
Financing Receivable, Past Due [Line Items]
Total	6,864	8,792
Total Past Due | Non-Covered Loans | Construction and land development
Financing Receivable, Past Due [Line Items]
Total	396	1,201
Total Past Due | Non-Covered Loans | Residential real estate
Financing Receivable, Past Due [Line Items]
Total	2,414	1,227
Total Past Due | Non-Covered Loans | Other
Financing Receivable, Past Due [Line Items]
Total	163	90
30-89 Days Past Due | Non-Covered Loans
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss, Fee and Loan in Process	11,071	10,437
30-89 Days Past Due | Non-Covered Loans | Commercial and industrial
Financing Receivable, Past Due [Line Items]
Total	3,244	555
30-89 Days Past Due | Non-Covered Loans | CRE - investor owned
Financing Receivable, Past Due [Line Items]
Total	2,086	0
30-89 Days Past Due | Non-Covered Loans | CRE - owner occupied
Financing Receivable, Past Due [Line Items]
Total	2,780	8,628
30-89 Days Past Due | Non-Covered Loans | Construction and land development
Financing Receivable, Past Due [Line Items]
Total	396	9
30-89 Days Past Due | Non-Covered Loans | Residential real estate
Financing Receivable, Past Due [Line Items]
Total	2,414	1,227
30-89 Days Past Due | Non-Covered Loans | Other
Financing Receivable, Past Due [Line Items]
Total	151	18
90 or More Days Past Due | Non-Covered Loans
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss, Fee and Loan in Process	7,088	4,936
90 or More Days Past Due | Non-Covered Loans | Commercial and industrial
Financing Receivable, Past Due [Line Items]
Total	1,894	2,373
90 or More Days Past Due | Non-Covered Loans | CRE - investor owned
Financing Receivable, Past Due [Line Items]
Total	1,098	1,135
90 or More Days Past Due | Non-Covered Loans | CRE - owner occupied
Financing Receivable, Past Due [Line Items]
Total	4,084	164
90 or More Days Past Due | Non-Covered Loans | Construction and land development
Financing Receivable, Past Due [Line Items]
Total	0	1,192
90 or More Days Past Due | Non-Covered Loans | Residential real estate
Financing Receivable, Past Due [Line Items]
Total	0	0
90 or More Days Past Due | Non-Covered Loans | Other
Financing Receivable, Past Due [Line Items]
Total	12	72
Current | Non-Covered Loans
Financing Receivable, Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss, Fee and Loan in Process	10,000,656	9,729,054
Current | Non-Covered Loans | Commercial and industrial
Financing Receivable, Past Due [Line Items]
Total	4,027,051	3,857,036
Current | Non-Covered Loans | CRE - investor owned
Financing Receivable, Past Due [Line Items]
Total	2,414,895	2,356,685
Current | Non-Covered Loans | CRE - owner occupied
Financing Receivable, Past Due [Line Items]
Total	2,274,359	2,261,759
Current | Non-Covered Loans | Construction and land development
Financing Receivable, Past Due [Line Items]
Total	662,868	610,364
Current | Non-Covered Loans | Residential real estate
Financing Receivable, Past Due [Line Items]
Total	361,645	394,310
Current | Non-Covered Loans | Other
Financing Receivable, Past Due [Line Items]
Total	$ 259,838	$ 248,900

Loans - Loan Modification (Deta

Loans - Loan Modification (Details) - Term Extension $ in Thousands	3 Months Ended
	Mar. 31, 2023 USD ($)
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized Cost Basis	$ 24,019
Commercial and industrial
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized Cost Basis	$ 22,818
% of Total Class of Financing Receivable	0.57%
Construction and land development
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized Cost Basis	$ 1,201
% of Total Class of Financing Receivable	0.18%

Loans - Summary of Term Loans b

Loans - Summary of Term Loans by Origination Year (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Financing Receivable, Credit Quality Indicator [Line Items]
Total	$ 10,011,918	$ 9,737,138
Commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
2023	463,338
2022	1,326,979	1,456,605
2021	510,178	650,568
2020	312,239	348,225
2019	164,307	172,574
2018		70,890
Prior	120,181
Prior		70,437
Revolving Loans Converted to Term Loans	10,103	8,388
Revolving Loans	1,100,374	1,058,885
Total	4,007,699	3,836,572
Commercial and industrial | Pass (1-6)
Financing Receivable, Credit Quality Indicator [Line Items]
2023	446,623
2022	1,294,156	1,403,381
2021	487,289	635,275
2020	296,880	332,740
2019	163,807	172,127
2018		62,729
Prior	107,963
Prior		66,152
Revolving Loans Converted to Term Loans	9,928	8,388
Revolving Loans	1,003,625	964,592
Total	3,810,271	3,645,384
Commercial and industrial | Special Mention (7)
Financing Receivable, Credit Quality Indicator [Line Items]
2023	11,145
2022	21,894	37,048
2021	17,320	10,836
2020	13,862	13,858
2019	477	423
2018		7,995
Prior	11,766
Prior		4,102
Revolving Loans Converted to Term Loans	0	0
Revolving Loans	68,846	72,944
Total	145,310	147,206
Commercial and industrial | Classified (8-9)
Financing Receivable, Credit Quality Indicator [Line Items]
2023	5,570
2022	10,929	16,176
2021	5,569	4,457
2020	1,497	1,627
2019	23	24
2018		166
Prior	452
Prior		183
Revolving Loans Converted to Term Loans	175	0
Revolving Loans	27,903	21,349
Total	52,118	43,982
Commercial real estate-investor owned
Financing Receivable, Credit Quality Indicator [Line Items]
2023	133,638
2022	676,981	687,774
2021	576,374	590,395
2020	409,631	416,369
2019	228,700	252,591
2018		115,723
Prior	311,868
Prior		221,816
Revolving Loans Converted to Term Loans	1,750	1,506
Revolving Loans	60,720	53,051
Total	2,399,662	2,339,225
Commercial real estate-investor owned | Pass (1-6)
Financing Receivable, Credit Quality Indicator [Line Items]
2023	133,638
2022	649,170	667,107
2021	571,133	584,644
2020	385,909	392,402
2019	217,109	240,033
2018		115,530
Prior	293,114
Prior		202,661
Revolving Loans Converted to Term Loans	1,701	1,457
Revolving Loans	60,720	53,051
Total	2,312,494	2,256,885
Commercial real estate-investor owned | Special Mention (7)
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0
2022	26,002	18,844
2021	5,241	5,751
2020	23,260	23,502
2019	10,952	11,605
2018		0
Prior	12,909
Prior		13,063
Revolving Loans Converted to Term Loans	0	0
Revolving Loans	0	0
Total	78,364	72,765
Commercial real estate-investor owned | Classified (8-9)
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0
2022	1,809	1,823
2021	0	0
2020	462	465
2019	639	953
2018		193
Prior	5,845
Prior		6,092
Revolving Loans Converted to Term Loans	49	49
Revolving Loans	0	0
Total	8,804	9,575
Commercial real estate-owner occupied
Financing Receivable, Credit Quality Indicator [Line Items]
2023	122,788
2022	526,161	550,774
2021	534,592	561,063
2020	373,624	382,489
2019	219,374	245,700
2018		152,011
Prior	412,198
Prior		291,009
Revolving Loans Converted to Term Loans	4,962	0
Revolving Loans	58,384	58,108
Total	2,252,083	2,241,154
Commercial real estate-owner occupied | Pass (1-6)
Financing Receivable, Credit Quality Indicator [Line Items]
2023	113,180
2022	520,215	539,610
2021	527,516	555,690
2020	348,955	362,150
2019	205,503	232,335
2018		123,095
Prior	371,027
Prior		270,613
Revolving Loans Converted to Term Loans	0	0
Revolving Loans	57,489	57,308
Total	2,143,885	2,140,801
Commercial real estate-owner occupied | Special Mention (7)
Financing Receivable, Credit Quality Indicator [Line Items]
2023	9,608
2022	5,946	11,164
2021	4,862	3,801
2020	19,644	16,856
2019	4,459	4,455
2018		13,043
Prior	13,660
Prior		9,009
Revolving Loans Converted to Term Loans	4,962	0
Revolving Loans	300	800
Total	63,441	59,128
Commercial real estate-owner occupied | Classified (8-9)
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0
2022	0	0
2021	2,214	1,572
2020	5,025	3,483
2019	9,412	8,910
2018		15,873
Prior	27,511
Prior		11,387
Revolving Loans Converted to Term Loans	0	0
Revolving Loans	595	0
Total	44,757	41,225
Construction real estate
Financing Receivable, Credit Quality Indicator [Line Items]
2023	107,960
2022	289,971	308,669
2021	198,719	232,998
2020	51,151	53,810
2019	3,089	3,069
2018		2,643
Prior	10,737
Prior		8,607
Revolving Loans Converted to Term Loans	0	0
Revolving Loans	1,637	1,769
Total	663,264	611,565
Construction real estate | Pass (1-6)
Financing Receivable, Credit Quality Indicator [Line Items]
2023	106,759
2022	288,291	290,146
2021	198,719	232,998
2020	51,005	53,129
2019	2,931	2,909
2018		2,061
Prior	10,045
Prior		8,480
Revolving Loans Converted to Term Loans	0	0
Revolving Loans	1,637	1,769
Total	659,387	591,492
Construction real estate | Special Mention (7)
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0
2022	1,284	17,331
2021	0	0
2020	146	681
2019	145	146
2018		111
Prior	217
Prior		106
Revolving Loans Converted to Term Loans	0	0
Revolving Loans	0	0
Total	1,792	18,375
Construction real estate | Classified (8-9)
Financing Receivable, Credit Quality Indicator [Line Items]
2023	1,201
2022	396	1,192
2021	0	0
2020	0	0
2019	13	14
2018		471
Prior	475
Prior		21
Revolving Loans Converted to Term Loans	0	0
Revolving Loans	0	0
Total	2,085	1,698
Residential real estate
Financing Receivable, Credit Quality Indicator [Line Items]
2023	9,606
2022	50,952	63,769
2021	54,479	60,983
2020	37,471	48,796
2019	20,566	21,075
2018		12,713
Prior	97,880
Prior		90,570
Revolving Loans Converted to Term Loans	774	579
Revolving Loans	91,595	96,309
Total	363,323	394,794
Residential real estate | Pass (1-6)
Financing Receivable, Credit Quality Indicator [Line Items]
2023	9,606
2022	50,504	63,317
2021	54,407	60,910
2020	37,471	48,796
2019	20,438	20,943
2018		11,259
Prior	94,722
Prior		88,795
Revolving Loans Converted to Term Loans	774	579
Revolving Loans	91,520	96,304
Total	359,442	390,903
Residential real estate | Special Mention (7)
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0
2022	329	331
2021	0	0
2020	0	0
2019	77	79
2018		352
Prior	1,119
Prior		781
Revolving Loans Converted to Term Loans	0	0
Revolving Loans	0	0
Total	1,525	1,543
Residential real estate | Classified (8-9)
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0
2022	119	121
2021	72	73
2020	0	0
2019	51	53
2018		1,102
Prior	2,039
Prior		994
Revolving Loans Converted to Term Loans	0	0
Revolving Loans	75	5
Total	2,356	2,348
Other
Financing Receivable, Credit Quality Indicator [Line Items]
2023	960
2022	60,165	38,753
2021	85,417	88,613
2020	55,789	56,252
2019	9,975	10,560
2018		20,511
Prior	26,911
Prior		10,807
Revolving Loans Converted to Term Loans	0	3
Revolving Loans	6,833	9,540
Total	246,050	235,039
Other | Pass (1-6)
Financing Receivable, Credit Quality Indicator [Line Items]
2023	960
2022	60,165	38,753
2021	85,417	88,613
2020	55,789	56,252
2019	9,973	10,556
2018		20,508
Prior	26,899
Prior		10,796
Revolving Loans Converted to Term Loans	0	0
Revolving Loans	6,833	9,536
Total	246,036	235,014
Other | Special Mention (7)
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0
2022	0	0
2021	0	0
2020	0	0
2019	0	0
2018		0
Prior	0
Prior		0
Revolving Loans Converted to Term Loans	0	0
Revolving Loans	0	0
Total	0	0
Other | Classified (8-9)
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0
2022	0	0
2021	0	0
2020	0	0
2019	2	4
2018		3
Prior	12
Prior		11
Revolving Loans Converted to Term Loans	0	3
Revolving Loans	0	4
Total	14	25
Total loans classified by risk category
Financing Receivable, Credit Quality Indicator [Line Items]
2023	838,290	3,106,344
2022	2,931,209	2,184,620
2021	1,959,759	1,305,941
2020	1,239,905	705,569
2019	646,011	374,491
Prior	979,775	693,246
Revolving Loans Converted to Term Loans	17,589	10,476
Revolving Loans	1,319,543	1,277,662
Total	9,932,081	9,658,349
Total loans classified by performing status
Financing Receivable, Credit Quality Indicator [Line Items]
Total	$ 79,837	$ 78,789

Loans - Summary of Performing a

Loans - Summary of Performing and Non Performing Loans (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Financing Receivable, Credit Quality Indicator [Line Items]
Investment on loans by payment activity	$ 79,837	$ 78,789
Loans, before unearned loan fees	10,011,918	9,737,138
Non-Covered Loans
Financing Receivable, Credit Quality Indicator [Line Items]
Loans, before unearned loan fees	10,018,815	9,744,427
Non-Covered Loans | Commercial - investor owned
Financing Receivable, Credit Quality Indicator [Line Items]
Loans, before unearned loan fees	2,418,079	2,357,820
Non-Covered Loans | Commercial - investor owned | Pass (1-6)
Financing Receivable, Credit Quality Indicator [Line Items]
Loans, before unearned loan fees	18,417	18,595
Non-Covered Loans | Commercial - investor owned | Special Mention (7)
Financing Receivable, Credit Quality Indicator [Line Items]
Loans, before unearned loan fees	0	0
Non-Covered Loans | Commercial - investor owned | Classified (8-9)
Financing Receivable, Credit Quality Indicator [Line Items]
Loans, before unearned loan fees	18,417	18,595
Non-Covered Loans | CRE - owner occupied
Financing Receivable, Credit Quality Indicator [Line Items]
Loans, before unearned loan fees	2,281,223	2,270,551
Non-Covered Loans | CRE - owner occupied | Pass (1-6)
Financing Receivable, Credit Quality Indicator [Line Items]
Loans, before unearned loan fees	29,140	29,397
Non-Covered Loans | CRE - owner occupied | Special Mention (7)
Financing Receivable, Credit Quality Indicator [Line Items]
Loans, before unearned loan fees	0	0
Non-Covered Loans | CRE - owner occupied | Classified (8-9)
Financing Receivable, Credit Quality Indicator [Line Items]
Loans, before unearned loan fees	29,140	29,397
Non-Covered Loans | Construction and land development
Financing Receivable, Credit Quality Indicator [Line Items]
Loans, before unearned loan fees	663,264	611,565
Performing
Financing Receivable, Credit Quality Indicator [Line Items]
Investment on loans by payment activity	79,752	78,647
Non Performing
Financing Receivable, Credit Quality Indicator [Line Items]
Investment on loans by payment activity	85	142
Commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
Investment on loans by payment activity	24,490	23,310
Loans, before unearned loan fees	4,007,699	3,836,572
Commercial and industrial | Pass (1-6)
Financing Receivable, Credit Quality Indicator [Line Items]
Loans, before unearned loan fees	3,810,271	3,645,384
Commercial and industrial | Special Mention (7)
Financing Receivable, Credit Quality Indicator [Line Items]
Loans, before unearned loan fees	145,310	147,206
Commercial and industrial | Classified (8-9)
Financing Receivable, Credit Quality Indicator [Line Items]
Loans, before unearned loan fees	52,118	43,982
Commercial and industrial | Performing
Financing Receivable, Credit Quality Indicator [Line Items]
Investment on loans by payment activity	24,417	23,240
Commercial and industrial | Non Performing
Financing Receivable, Credit Quality Indicator [Line Items]
Investment on loans by payment activity	73	70
Residential real estate
Financing Receivable, Credit Quality Indicator [Line Items]
Investment on loans by payment activity	736	743
Loans, before unearned loan fees	363,323	394,794
Residential real estate | Pass (1-6)
Financing Receivable, Credit Quality Indicator [Line Items]
Loans, before unearned loan fees	359,442	390,903
Residential real estate | Special Mention (7)
Financing Receivable, Credit Quality Indicator [Line Items]
Loans, before unearned loan fees	1,525	1,543
Residential real estate | Classified (8-9)
Financing Receivable, Credit Quality Indicator [Line Items]
Loans, before unearned loan fees	2,356	2,348
Residential real estate | Performing
Financing Receivable, Credit Quality Indicator [Line Items]
Investment on loans by payment activity	736	743
Residential real estate | Non Performing
Financing Receivable, Credit Quality Indicator [Line Items]
Investment on loans by payment activity	0	0
Other
Financing Receivable, Credit Quality Indicator [Line Items]
Investment on loans by payment activity	7,054	6,744
Loans, before unearned loan fees	246,050	235,039
Other | Pass (1-6)
Financing Receivable, Credit Quality Indicator [Line Items]
Loans, before unearned loan fees	246,036	235,014
Other | Special Mention (7)
Financing Receivable, Credit Quality Indicator [Line Items]
Loans, before unearned loan fees	0	0
Other | Classified (8-9)
Financing Receivable, Credit Quality Indicator [Line Items]
Loans, before unearned loan fees	14	25
Other | Performing
Financing Receivable, Credit Quality Indicator [Line Items]
Investment on loans by payment activity	7,042	6,672
Other | Non Performing
Financing Receivable, Credit Quality Indicator [Line Items]
Investment on loans by payment activity	$ 12	$ 72

Commitments (Details)

Commitments (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Dec. 31, 2022
Unadvanced Commitment on Impaired Loan
Schedule of Commitments [Line Items]
Estimated losses attributable to unadvanced commitments on impaired loans	$ 10,200	$ 12,100
Commitments to extend credit
Schedule of Commitments [Line Items]
Off-balance sheet financial instruments, contractual amounts	3,053,927	3,113,966
Commitments to extend credit | Fixed Rate Loan Commitment
Schedule of Commitments [Line Items]
Off-balance sheet financial instruments, contractual amounts	249,700	246,500
Letters of credit
Schedule of Commitments [Line Items]
Off-balance sheet financial instruments, contractual amounts	$ 94,361	$ 68,544
Letters of credit | Maximum
Schedule of Commitments [Line Items]
Remaining term	10 years
Letters of credit | Minimum
Schedule of Commitments [Line Items]
Remaining term	1 month

Derivative Financial Instrume_3

Derivative Financial Instruments (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Jan. 31, 2023	Dec. 31, 2022
Derivative Assets (Liabilities), at Fair Value, Net, by Balance Sheet Classification [Abstract]
Derivative Liability, Securities Sold under Agreements to Repurchase, Securities Loaned, Not Offset, Policy Election Deduction		$ 0		$ 0
Securities Sold under Agreements to Repurchase [Abstract]
Gross Amounts Recognized		161,573		270,773
Gross Amounts Offset in the Statement of Financial Position		0		0
Net Amounts of Liabilities presented in the Statement of Financial Position		161,573		270,773
Fair Value Collateral Posted		161,573		270,773
Net Amount		0		0
Fair value of derivatives in a net liability position		16,100
Interest rate swap
Derivative Assets (Liabilities), at Fair Value, Net, by Balance Sheet Classification [Abstract]
Asset derivatives (other assets), fair value		19,224		22,958
Derivative Asset, Not Offset, Policy Election Deduction		(1,290)		0
Liability derivatives (other liabilities), fair value		16,858		21,533
Derivative Asset [Abstract]
Gross Amounts Offset in the Statement of Financial Position		0		0
Derivative financial instruments		19,224		22,958
Fair Value Collateral Received/ Pledged		17,934		9,010
Net Amount		0		13,948
Derivative Liability [Abstract]
Gross Amounts Offset in the Statement of Financial Position		0		0
Net Amounts of Liabilities presented in the Statement of Financial Position		16,858		21,533
Fair Value Collateral Posted		0		0
Net Amount		15,568		21,533
Securities Sold under Agreements to Repurchase [Abstract]
Derivative Asset, Not Offset, Policy Election Deduction		(1,290)		0
Interest rate collar
Derivative Assets (Liabilities), at Fair Value, Net, by Balance Sheet Classification [Abstract]
Asset derivatives (other assets), fair value		751
Derivative Asset, Not Offset, Policy Election Deduction				0
Liability derivatives (other liabilities), fair value				48
Derivative Asset [Abstract]
Gross Amounts Offset in the Statement of Financial Position		0
Derivative financial instruments		751
Financial Instruments		0
Fair Value Collateral Received/ Pledged		0
Net Amount		751
Derivative Liability [Abstract]
Gross Amounts Offset in the Statement of Financial Position				0
Net Amounts of Liabilities presented in the Statement of Financial Position				48
Fair Value Collateral Posted				0
Net Amount				48
Derivatives Designated as Hedging Instruments:
Derivative Assets (Liabilities), at Fair Value, Net, by Balance Sheet Classification [Abstract]
Asset derivatives (other assets), fair value		3,206		2,348
Liability derivatives (other liabilities), fair value		86		969
Derivatives Designated as Hedging Instruments: | Other Assets | Interest rate swap
Derivative [Line Items]
Notional value		211,962		161,962
Derivative Assets (Liabilities), at Fair Value, Net, by Balance Sheet Classification [Abstract]
Derivative Asset, Notional Amount		211,962		161,962
Asset derivatives (other assets), fair value		2,455		2,348
Derivatives Designated as Hedging Instruments: | Other Assets | Interest rate collar
Derivative [Line Items]
Notional value		100,000		100,000
Derivative Assets (Liabilities), at Fair Value, Net, by Balance Sheet Classification [Abstract]
Derivative Asset, Notional Amount		100,000		100,000
Asset derivatives (other assets), fair value		751		0
Derivatives Designated as Hedging Instruments: | Other Liabilities | Interest rate swap
Derivative Assets (Liabilities), at Fair Value, Net, by Balance Sheet Classification [Abstract]
Liability derivatives (other liabilities), fair value		86		921
Derivatives Designated as Hedging Instruments: | Other Liabilities | Interest rate collar
Derivative Assets (Liabilities), at Fair Value, Net, by Balance Sheet Classification [Abstract]
Liability derivatives (other liabilities), fair value		0		48
Derivatives not Designated as Hedging Instruments: | Other Assets | Interest rate swap
Derivative [Line Items]
Notional value		705,097		687,902
Derivative Assets (Liabilities), at Fair Value, Net, by Balance Sheet Classification [Abstract]
Derivative Asset, Notional Amount		705,097		687,902
Asset derivatives (other assets), fair value		16,769		20,610
Derivatives not Designated as Hedging Instruments: | Other Liabilities | Interest rate swap
Derivative Assets (Liabilities), at Fair Value, Net, by Balance Sheet Classification [Abstract]
Liability derivatives (other liabilities), fair value		16,772		20,612
Cash Flow Hedging | Cash Flow Hedge 1
Derivative [Line Items]
Notional value		$ 15,465
Derivative, fixed rate		2.60%
Derivative Assets (Liabilities), at Fair Value, Net, by Balance Sheet Classification [Abstract]
Derivative Asset, Notional Amount		$ 15,465
Cash Flow Hedging | Cash Flow Hedge 2
Derivative [Line Items]
Notional value		$ 14,433
Derivative, fixed rate		2.60%
Derivative Assets (Liabilities), at Fair Value, Net, by Balance Sheet Classification [Abstract]
Derivative Asset, Notional Amount		$ 14,433
Cash Flow Hedging | Cash Flow Hedge 3
Derivative [Line Items]
Notional value		$ 18,558
Derivative, fixed rate		2.64%
Derivative Assets (Liabilities), at Fair Value, Net, by Balance Sheet Classification [Abstract]
Derivative Asset, Notional Amount		$ 18,558
Cash Flow Hedging | Cash Flow Hedge 4
Derivative [Line Items]
Notional value		$ 13,506
Derivative, fixed rate		2.64%
Derivative Assets (Liabilities), at Fair Value, Net, by Balance Sheet Classification [Abstract]
Derivative Asset, Notional Amount		$ 13,506
Cash Flow Hedging | Subordinated Debt
Derivative [Line Items]
Notional value		$ 62,000
Derivative, Variable Interest Rate		2.62%
Derivative Assets (Liabilities), at Fair Value, Net, by Balance Sheet Classification [Abstract]
Derivative Asset, Notional Amount		$ 62,000
Cash Flow Hedging | Derivatives Designated as Hedging Instruments:
Derivative [Line Items]
Notional value			$ 50,000	$ 100,000
Derivative, fixed rate			6.56%	6.63%
Derivative Assets (Liabilities), at Fair Value, Net, by Balance Sheet Classification [Abstract]
Derivative Asset, Notional Amount			$ 50,000	$ 100,000
Prime Based Interest Rate Collar | Derivatives Designated as Hedging Instruments:
Derivative [Line Items]
Notional value				100,000
Derivative Assets (Liabilities), at Fair Value, Net, by Balance Sheet Classification [Abstract]
Derivative Asset, Notional Amount				$ 100,000
Prime Based Interest Rate Collar | Derivatives Designated as Hedging Instruments: | Minimum
Derivative [Line Items]
Derivative, Variable Interest Rate				8.14%
Prime Based Interest Rate Collar | Derivatives Designated as Hedging Instruments: | Maximum
Derivative [Line Items]
Derivative, Variable Interest Rate				5.25%
Scenario, Forecast | Cash Flow Hedging | Interest Expense
Derivative [Line Items]
Decrease to interest expense and decrease to interest income	$ 1,800
Scenario, Forecast | Cash Flow Hedging | Interest Income
Derivative [Line Items]
Decrease to interest expense and decrease to interest income	$ 1,300

Fair Value Measurements - Summa

Fair Value Measurements - Summary of Financial Instruments Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Assets
Securities available for sale	$ 1,555,109	$ 1,535,807
Estimate of Fair Value Measurement
Assets
Other investments	60,173	61,123
Obligations of U.S. Government-sponsored enterprises
Assets
Securities available for sale	265,705	237,785
Obligations of states and political subdivisions
Assets
Securities available for sale	430,693	417,444
Agency mortgage-backed securities
Assets
Securities available for sale	650,451	659,404
U.S. Treasury bills
Assets
Securities available for sale	200,103	208,534
Corporate debt securities
Assets
Securities available for sale	8,157	12,640
Recurring basis | Estimate of Fair Value Measurement
Assets
Securities available for sale	1,555,109	1,535,807
Other investments	2,770	2,667
Derivatives	19,975	22,958
Total assets	1,577,854	1,561,432
Liabilities
Derivatives	16,858	21,581
Total liabilities	16,858	21,581
Recurring basis | Obligations of U.S. Government-sponsored enterprises | Estimate of Fair Value Measurement
Assets
Securities available for sale	265,705	237,785
Recurring basis | Obligations of states and political subdivisions | Estimate of Fair Value Measurement
Assets
Securities available for sale	430,693	417,444
Recurring basis | Agency mortgage-backed securities | Estimate of Fair Value Measurement
Assets
Securities available for sale	650,451	659,404
Recurring basis | U.S. Treasury bills | Estimate of Fair Value Measurement
Assets
Securities available for sale	200,103	208,534
Recurring basis | Corporate debt securities | Estimate of Fair Value Measurement
Assets
Securities available for sale	8,157	12,640
Recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1)
Assets
Securities available for sale	0	0
Other investments	0	0
Derivatives	0	0
Total assets	0	0
Liabilities
Derivatives	0	0
Total liabilities	0	0
Recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1) | Obligations of U.S. Government-sponsored enterprises
Assets
Securities available for sale	0	0
Recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1) | Obligations of states and political subdivisions
Assets
Securities available for sale	0	0
Recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1) | Agency mortgage-backed securities
Assets
Securities available for sale	0	0
Recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1) | U.S. Treasury bills
Assets
Securities available for sale	0	0
Recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1) | Corporate debt securities
Assets
Securities available for sale	0	0
Recurring basis | Significant Other Observable Inputs (Level 2)
Assets
Securities available for sale	1,555,109	1,535,807
Other investments	2,770	2,667
Derivatives	19,975	22,958
Total assets	1,577,854	1,561,432
Liabilities
Derivatives	16,858	21,581
Total liabilities	16,858	21,581
Recurring basis | Significant Other Observable Inputs (Level 2) | Obligations of U.S. Government-sponsored enterprises
Assets
Securities available for sale	265,705	237,785
Recurring basis | Significant Other Observable Inputs (Level 2) | Obligations of states and political subdivisions
Assets
Securities available for sale	430,693	417,444
Recurring basis | Significant Other Observable Inputs (Level 2) | Agency mortgage-backed securities
Assets
Securities available for sale	650,451	659,404
Recurring basis | Significant Other Observable Inputs (Level 2) | U.S. Treasury bills
Assets
Securities available for sale	200,103	208,534
Recurring basis | Significant Other Observable Inputs (Level 2) | Corporate debt securities
Assets
Securities available for sale	8,157	12,640
Recurring basis | Significant Unobservable Inputs (Level 3)
Assets
Securities available for sale	0	0
Other investments	0	0
Derivatives	0	0
Total assets	0	0
Liabilities
Derivatives	0	0
Total liabilities	0	0
Recurring basis | Significant Unobservable Inputs (Level 3) | Obligations of U.S. Government-sponsored enterprises
Assets
Securities available for sale	0	0
Recurring basis | Significant Unobservable Inputs (Level 3) | Obligations of states and political subdivisions
Assets
Securities available for sale	0	0
Recurring basis | Significant Unobservable Inputs (Level 3) | Agency mortgage-backed securities
Assets
Securities available for sale	0	0
Recurring basis | Significant Unobservable Inputs (Level 3) | U.S. Treasury bills
Assets
Securities available for sale	0	0
Recurring basis | Significant Unobservable Inputs (Level 3) | Corporate debt securities
Assets
Securities available for sale	$ 0	$ 0

Fair Value Measurements - Certa

Fair Value Measurements - Certain Assets at Fair Value on a Nonrecurring Basis (Details) - Fair Value, Measurements, Nonrecurring - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets		$ 0
Significant Other Observable Inputs (Level 2)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets		1,027
Significant Unobservable Inputs (Level 3)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets		269
Estimate of Fair Value Measurement
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets		1,296
Other real estate | Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other real estate		0
Other real estate | Significant Other Observable Inputs (Level 2)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other real estate		0
Other real estate | Significant Unobservable Inputs (Level 3)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other real estate		269
Other real estate | Estimate of Fair Value Measurement
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other real estate		269
Loan servicing asset | Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other real estate	$ 0
Loan servicing asset | Significant Other Observable Inputs (Level 2)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other real estate	1,004	1,027
Loan servicing asset | Significant Unobservable Inputs (Level 3)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other real estate	0	0
Loan servicing asset | Estimate of Fair Value Measurement
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other real estate	$ 1,004	$ 1,027

Fair Value Measurements - Sum_2

Fair Value Measurements - Summary of Carrying Amount and Fair Values of Financial Instruments Reported on the Balance Sheets (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Balance sheet assets
Securities held-to-maturity, net	$ 721,566	$ 710,650
Carrying Amount
Balance sheet assets
Securities held-to-maturity, net	720,694	709,915
Other investments	60,173	61,123
Loans held for sale	261	1,228
Loans, net	9,873,623	9,600,206
State tax credits held for sale	27,308	27,700
Servicing asset	3,343	3,648
Balance sheet liabilities
Certificates of deposit	893,673	530,708
Subordinated debentures and notes	155,569	155,433
FHLB advances	100,000	100,000
Other borrowings	213,489	324,119
Estimated fair value
Balance sheet assets
Securities held-to-maturity, net	656,553	628,517
Other investments	60,173	61,123
Loans held for sale	261	1,228
Loans, net	9,587,197	9,328,844
State tax credits held for sale	28,933	28,880
Servicing asset	4,342	3,905
Balance sheet liabilities
Certificates of deposit	877,954	512,229
Subordinated debentures and notes	150,559	152,679
FHLB advances	100,000	100,004
Other borrowings	$ 213,489	$ 324,119

SHAREHOLDERS_ EQUITY - Changes

SHAREHOLDERS’ EQUITY - Changes in Accumulated Other Comprehensive Income After-tax By Component (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	$ 1,522,263	$ 1,529,116
Transfer from available-for-sale to held-to-maturity		0
Ending balance	1,592,820	1,473,177
Total
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(130,332)	18,777
Net change	24,357	(78,037)
Ending balance	(105,975)	(59,260)
Net Unrealized Gain (Loss) on Available-for-Sale Securities
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(144,549)	5,271
Net change	23,693	(79,353)
Transfer from available-for-sale to held-to-maturity		(197)
Ending balance	(120,856)	(74,279)
Unamortized Gain (Loss) on Held-to-Maturity Securities
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	13,185	15,684
Net change	(638)	(704)
Transfer from available-for-sale to held-to-maturity		197
Ending balance	12,547	15,177
Net Unrealized Gain (Loss) on Cash Flow Hedges
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	1,032	(2,178)
Net change	1,302	2,020
Transfer from available-for-sale to held-to-maturity		0
Ending balance	$ 2,334	$ (158)

SHAREHOLDERS_ EQUITY - Pre-tax

SHAREHOLDERS’ EQUITY - Pre-tax and After-tax Changes in the Components of Other Comprehensive Income (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Other Comprehensive Income (Loss), Securities, Available-for-sale, Adjustment, before Reclassification Adjustments, after Tax [Abstract]
Change in unrealized gain (loss) on available-for-sale debt securities, before tax	$ 32,056	$ (106,087)
Change in unrealized gain (loss) on available-for-sale debt securities, tax	8,078	(26,734)
Change in unrealized gain (loss) on available-for-sale debt securities, after tax	23,978	(79,353)
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax, Portion Attributable to Parent [Abstract]
Reclassification of gain on sale of available-for-sale securities, before tax	(381)	0
Reclassification of gain on sale of available-for-sale securities, tax	(96)	0
Reclassification of gain on sale of available-for-sale securities, after tax	(285)	0
Other Comprehensive Loss, Held-to-maturity Security, OTTI, after Tax and Adjustments [Abstract]
Reclassification of gain on held-to-maturity securities, before tax	(852)	(941)
Reclassification of gain on held-to-maturity securities, tax	(214)	(237)
Reclassification of gain on held-to-maturity securities, after tax	(638)	(704)
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax, Parent [Abstract]
Change in unrealized gain (loss) on cash flow hedges arising during the period, before tax	1,705	2,341
Change in unrealized gain (loss) on cash flow hedges arising during the period, tax	430	590
Change in unrealized gain (loss) on cash flow hedges arising during the period, after tax	1,275	1,751
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax [Abstract]
Reclassification of loss on cash flow hedges, before tax	36	359
Reclassification of loss on cash flow hedges, tax	9	90
Reclassification of loss on cash flow hedges, after tax	(27)	(269)
OCI, Net of Tax [Abstract]
Total other comprehensive income (loss), before tax	32,564	(104,328)
Total other comprehensive income (loss), tax	8,207	(26,291)
Total other comprehensive income (loss), after-tax	$ 24,357	$ (78,037)

Supplemental Financial Inform_3

Supplemental Financial Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Interim Period, Costs Not Allocable [Line Items]
Miscellaneous income	$ 16,898	$ 18,641
Other noninterest expense	29,078	17,950
Amortization of intangibles
Interim Period, Costs Not Allocable [Line Items]
Other noninterest expense	1,239	1,430
Banking expense
Interim Period, Costs Not Allocable [Line Items]
Other noninterest expense	1,848	1,501
Deposit costs
Interim Period, Costs Not Allocable [Line Items]
Other noninterest expense	12,720	4,260
FDIC and other insurance
Interim Period, Costs Not Allocable [Line Items]
Other noninterest expense	2,572	1,855
Loan, legal expenses
Interim Period, Costs Not Allocable [Line Items]
Other noninterest expense	1,904	1,733
Outside services
Interim Period, Costs Not Allocable [Line Items]
Other noninterest expense	1,545	1,262
Other expense
Interim Period, Costs Not Allocable [Line Items]
Other noninterest expense	7,250	5,909
Total other noninterest income
Interim Period, Costs Not Allocable [Line Items]
Miscellaneous income	6,103	6,208
Bank-owned life insurance
Interim Period, Costs Not Allocable [Line Items]
Miscellaneous income	791	1,034
Community development fees
Interim Period, Costs Not Allocable [Line Items]
Miscellaneous income	595	2,166
Other income
Interim Period, Costs Not Allocable [Line Items]
Miscellaneous income	$ 4,717	$ 3,008