Consolidated Statements of Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Business Combination, Acquisition Related Costs	$ 0	$ 1,731	$ 7,100	$ 1,731
Interest income
Interest and fees on loans	133,988	88,814	263,613	181,197
Interest Income, Securities, Operating, Taxable	11,281	7,184	21,324	13,811
Nontaxable interest and dividends on securities	2	5	3	10
Interest on loans held for sale	35	186	99	482
Interest on federal funds sold and short-term investments	2,817	513	3,703	839
Total interest and dividend income	148,123	96,702	288,742	196,339
Interest expense
Interest on deposits	2,111	2,017	4,218	4,728
Interest on borrowings	1,151	1,331	2,231	2,673
Total interest expense	3,262	3,348	6,449	7,401
Net interest income	144,861	93,354	282,293	188,938
Release of provision for credit losses	0	(5,000)	(2,000)	(7,500)
Net interest income after provision for credit losses	144,861	98,354	284,293	196,438
Noninterest income
Deposit account fees	5,828	3,822	11,321	7,406
Interchange and ATM fees	4,027	3,068	7,636	5,788
Investment Banking, Advisory, Brokerage, and Underwriting Fees and Commissions	9,329	8,872	18,002	17,176
Mortgage banking income	1,042	2,705	2,404	8,445
Bank Owned Life Insurance Income	1,871	1,589	3,666	2,912
Gain Realized on Life Insurance Policies	(123)	0	(123)	(258)
Loan level derivative income	436	116	1,040	289
Other noninterest income	5,242	4,795	9,978	7,939
Total noninterest income	27,898	24,967	54,170	50,213
Noninterest expenses
Salaries and employee benefits	49,538	42,635	98,249	82,524
Occupancy and equipment expenses	11,637	8,706	24,939	17,979
Data processing & facilities management	2,247	1,686	4,619	3,351
Business Combination, Acquisition Related Costs	0	1,731	7,100	1,731
Software Maintenance	2,645	1,915	5,209	3,885
Amortization of Intangible Assets	1,902	1,314	3,903	2,727
FDIC assessment	1,743	775	3,548	1,825
Debit card expense	1,861	1,165	3,626	2,346
Professional Fees	2,760	1,492	4,510	3,883
Other noninterest expenses	16,229	11,883	30,359	22,733
Total noninterest expenses	90,562	73,302	186,062	142,984
Income before income taxes	82,197	50,019	152,401	103,667
Current Federal, State and Local, Tax Expense (Benefit)	20,421	12,447	37,528	24,384
Net income	$ 61,776	$ 37,572	$ 114,873	$ 79,283
Basic earnings per share (in dollars per share)	$ 1.32	$ 1.14	$ 2.44	$ 2.40
Diluted earnings per share (in dollars per share)	$ 1.32	$ 1.14	$ 2.44	$ 2.40
Weighted average common shares (basic) (in shares)	46,665,101	33,033,578	47,013,989	33,014,561
Common shares equivalents (in shares)	14,096	21,270	17,403	25,085
Weighted average common shares (diluted) (in shares)	46,679,197	33,054,848	47,031,392	33,039,646
Retained Earnings [Member]
Noninterest expenses
Net income	$ 61,776	$ 37,572	$ 114,873	$ 79,283
Cash dividends declared per common share (in dollars per share)	$ 0.51	$ 0.48	$ 1.02	$ 0.96