Consolidated Statements of Changes in Stockholders' Equity - USD ($) $ in Thousands	Common Stock	Treasury Shares	Paid-in Capital	Retained Earnings Adoption of ASU 2016-13 (CECL)	Retained Earnings	Accumulated Other Comprehensive Loss	Adoption of ASU 2016-13 (CECL)	Total
Balance (in shares) at Dec. 31, 2022	16,030,172
Balance (in shares) at Dec. 31, 2022		511,353
Balance, beginning of period at Dec. 31, 2022	$ 16,030	$ (12,520)	$ 143,950	$ (1,652)	$ 151,743	$ (49,878)	$ (1,652)	$ 249,325
Net income					12,296			12,296
Other comprehensive loss, net						1,805		1,805
Cash dividends declared on common stock					(8,662)			(8,662)
Shares issued for dividend reinvestment plan (in shares)		(40,687)
Shares issued for dividend reinvestment plan		$ 956	(146)					810
Restricted stock granted (in shares)		(53,788)
Restricted stock granted		$ 1,314	(1,314)					0
Forfeiture of restricted stock (in shares)		21,966
Forfeiture of restricted stock		$ (476)	476					0
Stock-based compensation expense			695					695
Purchase of restricted stock for tax withholding (in shares)		8,615
Purchase of restricted stock for tax withholding		$ (203)						(203)
Treasury stock purchases (in shares)		314,617
Treasury stock purchases		$ (6,297)						(6,297)
Balance (in shares) at Jun. 30, 2023	16,030,172
Balance (in shares) at Jun. 30, 2023		762,076
Balance, end of period at Jun. 30, 2023	$ 16,030	$ (17,226)	143,661		153,725	(48,073)		248,117
Balance (in shares) at Mar. 31, 2023	16,030,172
Balance (in shares) at Mar. 31, 2023		545,137
Balance, beginning of period at Mar. 31, 2023	$ 16,030	$ (13,050)	143,395		151,990	(42,797)		255,568
Net income					6,043			6,043
Other comprehensive loss, net						(5,276)		(5,276)
Cash dividends declared on common stock					(4,308)			(4,308)
Shares issued for dividend reinvestment plan (in shares)		(22,992)
Shares issued for dividend reinvestment plan		$ 524	(117)					407
Forfeiture of restricted stock (in shares)		2,744
Forfeiture of restricted stock		$ (65)	65					0
Stock-based compensation expense			318					318
Treasury stock purchases (in shares)		237,187
Treasury stock purchases		$ (4,635)						(4,635)
Balance (in shares) at Jun. 30, 2023	16,030,172
Balance (in shares) at Jun. 30, 2023		762,076
Balance, end of period at Jun. 30, 2023	$ 16,030	$ (17,226)	143,661		153,725	(48,073)		$ 248,117
Balance (in shares) at Dec. 31, 2023	16,030,172
Balance (in shares) at Dec. 31, 2023		735,037						735,037
Balance, beginning of period at Dec. 31, 2023	$ 16,030	$ (16,628)	144,388		157,028	(38,437)		$ 262,381
Net income					11,419			11,419
Other comprehensive loss, net						(2,924)		(2,924)
Cash dividends declared on common stock					(8,588)			(8,588)
Shares issued for dividend reinvestment plan (in shares)		(42,788)
Shares issued for dividend reinvestment plan		$ 968	(156)					812
Restricted stock granted (in shares)		(72,860)
Restricted stock granted		$ 1,646	(1,646)					0
Forfeiture of restricted stock (in shares)		2,076
Forfeiture of restricted stock		$ (50)	50					0
Stock-based compensation expense			716					716
Purchase of restricted stock for tax withholding (in shares)		10,229
Purchase of restricted stock for tax withholding		$ (212)						(212)
Treasury stock purchases (in shares)		22,496
Treasury stock purchases		$ (383)						$ (383)
Balance (in shares) at Jun. 30, 2024	16,030,172
Balance (in shares) at Jun. 30, 2024		654,190						654,190
Balance, end of period at Jun. 30, 2024	$ 16,030	$ (14,659)	143,352		159,859	(41,361)		$ 263,221
Balance (in shares) at Mar. 31, 2024	16,030,172
Balance (in shares) at Mar. 31, 2024		652,107
Balance, beginning of period at Mar. 31, 2024	$ 16,030	$ (14,735)	143,016		158,051	(40,706)		261,656
Net income					6,113			6,113
Other comprehensive loss, net						(655)		(655)
Cash dividends declared on common stock					(4,305)			(4,305)
Shares issued for dividend reinvestment plan (in shares)		(21,902)
Shares issued for dividend reinvestment plan		$ 495	(90)					405
Forfeiture of restricted stock (in shares)		1,489
Forfeiture of restricted stock		$ (36)	36					0
Stock-based compensation expense			390					390
Treasury stock purchases (in shares)		22,496
Treasury stock purchases		$ (383)						$ (383)
Balance (in shares) at Jun. 30, 2024	16,030,172
Balance (in shares) at Jun. 30, 2024		654,190						654,190
Balance, end of period at Jun. 30, 2024	$ 16,030	$ (14,659)	$ 143,352		$ 159,859	$ (41,361)		$ 263,221