CONSOLIDATED STATEMENT OF CHANGES IN SHAREHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Cumulative effect of adoption of ASU 2016-13	COMMON STOCK	ADDITIONAL PAID-IN CAPITAL	RETAINED EARNINGS	RETAINED EARNINGS Cumulative effect of adoption of ASU 2016-13	ACCUMULATED OTHER COMPREHENSIVE LOSS	TREASURY STOCK
Beginning balance (in shares) at Dec. 31, 2022			7,566,810
Beginning balance at Dec. 31, 2022	$ 167,665	$ 1,647	$ 42,039	$ 54,252	$ 98,147	$ 1,647	$ (13,958)	$ (12,815)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	4,658				4,658
Other comprehensive income	1,920						1,920
Stock-based compensation	253			253
Dividends declared	(2,258)				(2,258)
Common shares issued for employee stock purchase plan (in shares)			854
Common shares issued for employee stock purchase plan	21		$ 5	16
Common shares issued for director compensation plan (in shares)			2,422
Common shares issued for director compensation plan	64		$ 13	51
Ending balance (in shares) at Mar. 31, 2023			7,570,086
Ending balance at Mar. 31, 2023	173,970		$ 42,057	54,572	102,194		(12,038)	(12,815)
Beginning balance (in shares) at Dec. 31, 2023			8,019,219
Beginning balance at Dec. 31, 2023	191,556		$ 44,550	61,733	107,238		(9,150)	(12,815)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	3,808				3,808
Other comprehensive income	(16)						(16)
Stock-based compensation	273			273
Dividends declared	(2,404)				(2,404)
Common shares issued for employee stock purchase plan (in shares)			2,550
Common shares issued for employee stock purchase plan	50		$ 15	35
Common shares issued for director compensation plan (in shares)			2,888
Common shares issued for director compensation plan	62		$ 16	46
Dividend reinvestment plan (in shares)			10,940
Dividend reinvestment plan	188		$ 60	128
Ending balance (in shares) at Mar. 31, 2024			8,035,597
Ending balance at Mar. 31, 2024	$ 193,517		$ 44,641	$ 62,215	$ 108,642		$ (9,166)	$ (12,815)