Parent Company Only Financial Statements - Parent Company Condensed Statements of Income (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Total interest income	$ 92,657	$ 96,102	$ 93,300
Expenses	5,558	12,256	18,749
Income before income taxes	69,077	58,518	38,896
Income tax benefit	(16,396)	(13,843)	(9,356)
Net income	52,681	44,675	29,540
Parent Company
Dividends from subsidiaries	16,000	16,000	15,000
Other income	4	10	15
Total interest income	16,004	16,010	15,015
Expenses	5,293	6,057	5,999
Income before equity in undistributed income	10,711	9,953	9,016
Equity in undistributed income of subsidiaries	40,642	33,208	19,089
Income before income taxes	51,353	43,161	28,105
Income tax benefit	1,328	1,514	1,435
Net income	$ 52,681	$ 44,675	$ 29,540