Parent Company Only Condensed Financial Information - Condensed Statements of Income and Comprehensive Income (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income:
Total interest income	$ 169,354	$ 156,837	$ 155,838
Expense:
Interest expense	14,121	20,884	28,616
Salary and employee benefits	151,926	139,980	104,699
Occupancy and equipment	26,565	26,716	23,439
Merger related expenses	3,085	0	0
Other noninterest expenses, net	41,642	35,892	40,166
Total noninterest expense	224,635	204,073	170,200
Income before income taxes	51,842	57,165	21,939
Benefit from income taxes	8,678	9,580	1,436
Net income	43,164	47,585	20,503
Income tax effect on other comprehensive income	(2,415)	2,352	4,022
Comprehensive income	35,709	54,846	32,996
Parent Company
Income:
Dividends received from subsidiary bank	0	0	32,000
Interest income, $44, $65 and $87 from subsidiaries, respectively	56	80	110
Total interest income	56	80	32,110
Expense:
Interest expense	4,609	3,592	2,591
Salary and employee benefits	1,305	1,046	848
Occupancy and equipment	2	4	5
Merger related expenses	1,663	0	0
Other noninterest expenses, net	778	57	2,512
Total noninterest expense	8,357	4,699	5,956
Loss before income taxes and undistributed earnings from subsidiaries	(8,301)	(4,619)	26,154
Equity in undistributed earnings from subsidiaries	49,729	50,996	(7,163)
Income before income taxes	41,428	46,377	18,991
Benefit from income taxes	(1,736)	(1,208)	(1,512)
Net income	43,164	47,585	20,503
Income tax effect on other comprehensive income	(7,455)	7,261	12,493
Comprehensive income	35,709	54,846	32,996
Interest income from subsidiaries	$ 44	$ 65	$ 87