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 (loss):
Net income	23,463				23,463
Other comprehensive income (loss):
Change in unrealized gains (losses) on debt securities, net of tax	(22,411)					(22,411)
Comprehensive income (loss)	1,052
Common stock issued	1,970	$ 1	1,969
Common stock issued, Shares		54,170
Purchase of treasury stock	$ (5,701)			$ (5,701)
Purchase of treasury stock, Shares	(121,592)			(121,592)
Share-based compensation	$ 317		317
Dividends to shareholders	(11,972)				(11,972)
Ending Balance at Jun. 30, 2022	384,989	$ 207	219,744	$ (28,071)	201,983	(8,874)
Ending Balance, Shares at Jun. 30, 2022		20,676,474		(1,379,842)
Beginning Balance at Mar. 31, 2022	395,273	$ 206	217,605	$ (24,429)	201,834	57
Beginning Balance, Shares at Mar. 31, 2022		20,622,565		(1,302,143)
Comprehensive income (loss):
Net income	6,132				6,132
Other comprehensive income (loss):
Change in unrealized gains (losses) on debt securities, net of tax	(8,931)					(8,931)
Comprehensive income (loss)	(2,799)
Common stock issued	1,970	$ 1	1,969
Common stock issued, Shares		53,909
Purchase of treasury stock	$ (3,642)			$ (3,642)
Purchase of treasury stock, Shares	(77,699)			(77,699)
Share-based compensation	$ 170		170
Dividends to shareholders	(5,983)				(5,983)
Ending Balance at Jun. 30, 2022	384,989	$ 207	219,744	$ (28,071)	201,983	(8,874)
Ending Balance, Shares at Jun. 30, 2022		20,676,474		(1,379,842)
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 (loss):
Net income	$ 32,966				32,966
Other comprehensive income (loss):
Change in unrealized gains (losses) on debt securities, net of tax	1,728					1,728
Comprehensive income (loss)	34,694
Common stock issued	$ 944		944
Common stock issued, Shares		24,141
Purchase of treasury stock, Shares	0
Share-based compensation	$ 516		516
Dividends to shareholders	(13,019)				(13,019)
Ending Balance at Jun. 30, 2023	$ 340,567	$ 207	221,759	$ (34,758)	165,459	(12,100)
Ending Balance, Shares at Jun. 30, 2023	19,180,014	20,702,713		(1,522,699)
Beginning Balance at Mar. 31, 2023	$ 332,855	$ 207	220,556	$ (34,758)	156,334	(9,484)
Beginning Balance, Shares at Mar. 31, 2023		20,677,086		(1,522,699)
Comprehensive income (loss):
Net income	15,627				15,627
Other comprehensive income (loss):
Change in unrealized gains (losses) on debt securities, net of tax	(2,616)					(2,616)
Comprehensive income (loss)	13,011
Common stock issued	$ 944		944
Common stock issued, Shares		25,627
Purchase of treasury stock, Shares	0
Share-based compensation	$ 259		259
Dividends to shareholders	(6,502)				(6,502)
Ending Balance at Jun. 30, 2023	$ 340,567	$ 207	$ 221,759	$ (34,758)	$ 165,459	$ (12,100)
Ending Balance, Shares at Jun. 30, 2023	19,180,014	20,702,713		(1,522,699)