Consolidated Statements of Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Interest income
Interest and fees on loans	$ 129,625	$ 92,383
Interest Income, Securities, Operating, Taxable	10,043	6,627
Nontaxable interest and dividends on securities	1	5
Interest on loans held for sale	64	296
Interest on federal funds sold and short-term investments	886	326
Total interest and dividend income	140,619	99,637
Interest expense
Interest on deposits	2,107	2,711
Interest on borrowings	1,080	1,342
Total interest expense	3,187	4,053
Net interest income	137,432	95,584
(Release of) provision for credit losses	(2,000)	(2,500)
Net interest income after provision for credit losses	139,432	98,084
Noninterest income
Deposit account fees	5,493	3,584
Interchange and ATM fees	3,609	2,720
Investment Banking, Advisory, Brokerage, and Underwriting Fees and Commissions	8,673	8,304
Mortgage banking income	1,362	5,740
Bank Owned Life Insurance Income	1,795	1,323
Gain Realized on Life Insurance Policies	0	(258)
Loan level derivative income	604	173
Other noninterest income	4,736	3,144
Total noninterest income	26,272	25,246
Noninterest expenses
Salaries and employee benefits	48,711	39,889
Occupancy and equipment expenses	13,302	9,273
Data processing & facilities management	2,372	1,665
Business Combination, Acquisition Related Costs	7,100	0
Software Maintenance	2,564	1,970
Amortization of Intangible Assets	2,001	1,413
FDIC assessment	1,805	1,050
Debit card expense	1,765	1,181
Professional Fees	1,750	2,391
Other noninterest expenses	14,130	10,850
Total noninterest expenses	95,500	69,682
Income before income taxes	70,204	53,648
Current Federal, State and Local, Tax Expense (Benefit)	17,107	11,937
Net income	$ 53,097	$ 41,711
Basic earnings per share (in dollars per share)	$ 1.12	$ 1.26
Diluted earnings per share (in dollars per share)	$ 1.12	$ 1.26
Weighted average common shares (basic) (in shares)	47,366,753	32,995,332
Common shares equivalents (in shares)	20,711	30,098
Weighted average common shares (diluted) (in shares)	47,387,464	33,025,430
Retained Earnings [Member]
Noninterest expenses
Net income	$ 53,097	$ 41,711
Cash dividends declared per common share (in dollars per share)	$ 0.51	$ 0.48