Consolidated Statements of Changes in Shareholders' Equity - 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, 2020	$ 438,816	$ 206	$ 215,316	$ (22,370)	$ 224,645	$ 21,019
Beginning Balance, Shares at Dec. 31, 2020		20,589,309		(1,258,250)
Comprehensive income:
Net Income (Loss)	65,756				65,756
Other comprehensive income:
Change in unrealized gains (losses), net of tax	(7,482)					(7,482)
Comprehensive income	58,274
Common stock issued	1,563		1,563
Common stock issued, Shares		32,995
Share-based compensation	579		579
Dividends to shareholders	(99,909)				(99,909)
Ending Balance at Dec. 31, 2021	399,323	$ 206	217,458	$ (22,370)	190,492	13,537
Ending Balance, Shares at Dec. 31, 2021		20,622,304		(1,258,250)
Comprehensive income:
Net Income (Loss)	55,602				55,602
Other comprehensive income:
Change in unrealized gains (losses), net of tax	(27,365)					(27,365)
Comprehensive income	28,237
Common stock issued	1,971	$ 1	1,970
Common stock issued, Shares		56,268
Purchase of treasury stock	(12,388)			$ (12,388)
Purchase of treasury stock, Shares				(264,449)
Share-based compensation	871		871
Dividends to shareholders	(100,582)				(100,582)
Ending Balance at Dec. 31, 2022	$ 317,432	$ 207	220,299	$ (34,758)	145,512	(13,828)
Ending Balance, Shares at Dec. 31, 2022	19,155,873	20,678,572		(1,522,699)
Comprehensive income:
Net Income (Loss)	$ 62,108				62,108
Other comprehensive income:
Change in unrealized gains (losses), net of tax	6,634					6,634
Comprehensive income	68,742
Common stock issued	779		779
Common stock issued, Shares		25,876
Purchase of treasury stock	(2,171)			$ 2,171
Purchase of treasury stock, Shares				46,741
Share-based compensation	1,000		1,000
Dividends to shareholders	(93,331)				(93,331)
Ending Balance at Dec. 31, 2023	$ 292,451	$ 207	$ 222,078	$ (36,929)	$ 114,289	$ (7,194)
Ending Balance, Shares at Dec. 31, 2023	19,135,008	20,704,448		(1,569,440)