Consolidated Statements of Changes in Shareholders' Equity (Unaudited) - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid-In Capital [Member]	Treasury Stock [Member]	Accumulated Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]
Beginning Balance at Dec. 31, 2021	$ 399,323	$ 206	$ 217,458	$ (22,370)	$ 190,492	$ 13,537
Beginning Balance, Shares at Dec. 31, 2021		20,622,304		(1,258,250)
Comprehensive income:
Net income	17,331				17,331
Other comprehensive income:
Change in unrealized gains (losses) on debt securities, net of tax	(13,480)					(13,480)
Comprehensive income	3,851
Common stock issued, Shares		261
Purchase of treasury stock	$ (2,059)			$ (2,059)
Purchase of treasury stock, Shares	(43,893)			(43,893)
Share-based compensation	$ 147		147
Dividends to shareholders	(5,989)				(5,989)
Ending Balance at Mar. 31, 2022	395,273	$ 206	217,605	$ (24,429)	201,834	57
Ending Balance, Shares at Mar. 31, 2022		20,622,565		(1,302,143)
Beginning Balance at Dec. 31, 2022	$ 317,432	$ 207	220,299	$ (34,758)	145,512	(13,828)
Beginning Balance, Shares at Dec. 31, 2022	19,155,873	20,678,572		(1,522,699)
Comprehensive income:
Net income	$ 17,339				17,339
Other comprehensive income:
Change in unrealized gains (losses) on debt securities, net of tax	4,344					4,344
Comprehensive income	$ 21,683
Common stock issued, Shares		(1,486)
Purchase of treasury stock, Shares	0
Share-based compensation	$ 257		257
Dividends to shareholders	(6,517)				(6,517)
Ending Balance at Mar. 31, 2023	$ 332,855	$ 207	$ 220,556	$ (34,758)	$ 156,334	$ (9,484)
Ending Balance, Shares at Mar. 31, 2023	19,154,387	20,677,086		(1,522,699)