Parent Company only Condensed Financial Information - Statements of Operations (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Condensed statements of income
Interest expense	$ (8,948)	$ (7,131)	$ (8,581)
Income tax benefit	(27,811)	(18,170)	(13,769)
Net income	66,555	47,700	35,299
Parent Company
Condensed statements of income
Dividend from subsidiary bank	32,000	32,000	32,000
Interest expense	(2,179)	(2,314)	(2,321)
Other expenses	(3,675)	(3,929)	(3,263)
Income before income taxes and equity in net income of subsidiary bank	26,146	25,757	26,416
Equity in undistributed net income of subsidiary bank	38,702	20,127	7,255
Income tax benefit	1,707	1,816	1,628
Net income	$ 66,555	$ 47,700	$ 35,299