Consolidated Statements of Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Business Combination, Acquisition Related Costs	$ 0	$ 1,943	$ 7,100	$ 3,674
Interest income
Interest and fees on loans	150,157	84,212	413,770	265,409
Interest Income, Securities, Operating, Taxable	13,243	7,792	34,567	21,603
Nontaxable interest and dividends on securities	1	4	4	14
Interest on loans held for sale	51	193	150	675
Interest on federal funds sold and short-term investments	6,519	815	10,222	1,654
Total interest and dividend income	169,971	93,016	458,713	289,355
Interest expense
Interest on deposits	6,109	1,633	10,327	6,361
Interest on borrowings	1,261	1,292	3,492	3,965
Total interest expense	7,370	2,925	13,819	10,326
Net interest income	162,601	90,091	444,894	279,029
Provision for (release of) credit losses	3,000	(10,000)	1,000	(17,500)
Net interest income after provision for credit losses	159,601	100,091	443,894	296,529
Noninterest income
Deposit account fees	6,261	4,298	17,582	11,704
Interchange and ATM fees	4,331	3,441	11,967	9,229
Investment Banking, Advisory, Brokerage, and Underwriting Fees and Commissions	8,436	9,174	26,438	26,350
Mortgage banking income	585	2,825	2,989	11,270
Bank Owned Life Insurance Income	1,883	1,596	5,549	4,508
Gain Realized on Life Insurance Policies	(477)	0	(600)	(258)
Loan level derivative income	471	586	1,511	875
Other noninterest income	5,751	4,537	15,729	12,476
Total noninterest income	28,195	26,457	82,365	76,670
Noninterest expenses
Salaries and employee benefits	52,708	42,235	150,957	124,759
Occupancy and equipment expenses	12,316	8,564	37,255	26,543
Data processing & facilities management	2,259	1,673	6,878	5,024
Business Combination, Acquisition Related Costs	0	1,943	7,100	3,674
Software Maintenance	2,497	2,018	7,706	5,903
Amortization of Intangible Assets	1,898	1,310	5,801	4,037
FDIC assessment	1,677	980	5,225	2,805
Debit card expense	1,936	1,347	5,562	3,693
Professional Fees	2,547	1,560	7,057	5,443
Other noninterest expenses	14,890	10,789	45,249	33,522
Total noninterest expenses	92,728	72,419	278,790	215,403
Income before income taxes	95,068	54,129	247,469	157,796
Current Federal, State and Local, Tax Expense (Benefit)	23,171	14,122	60,699	38,506
Net income	$ 71,897	$ 40,007	$ 186,770	$ 119,290
Basic earnings per share (in dollars per share)	$ 1.57	$ 1.21	$ 4.01	$ 3.61
Diluted earnings per share (in dollars per share)	$ 1.57	$ 1.21	$ 4.00	$ 3.61
Weighted average common shares (basic) (in shares)	45,839,555	33,043,716	46,618,209	33,024,386
Common shares equivalents (in shares)	16,856	15,554	17,221	18,238
Weighted average common shares (diluted) (in shares)	45,856,411	33,059,270	46,635,430	33,042,624
Retained Earnings [Member]
Noninterest expenses
Net income	$ 71,897	$ 40,007	$ 186,770	$ 119,290
Cash dividends declared per common share (in dollars per share)	$ 0.51	$ 0.48	$ 1.53	$ 1.44