Consolidated Statements Of Changes In Stockholders' Equity - USD ($) $ in Thousands	Cumulative Effect, Period of Adoption, Adjustment [Member] Accumulated Deficit [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member]	Cumulative Effect, Period of Adoption, Adjusted Balance [Member] Common Stock [Member]	Cumulative Effect, Period of Adoption, Adjusted Balance [Member] Non-Voting Common Stock [Member]	Cumulative Effect, Period of Adoption, Adjusted Balance [Member] Additional Paid-In Capital [Member]	Cumulative Effect, Period of Adoption, Adjusted Balance [Member] Accumulated Deficit [Member]	Cumulative Effect, Period of Adoption, Adjusted Balance [Member] Accumulated Other Comprehensive Income (Loss) [Member]	Cumulative Effect, Period of Adoption, Adjusted Balance [Member] Treasury Stock [Member]	Cumulative Effect, Period of Adoption, Adjusted Balance [Member]	Common Stock [Member]	Non-Voting Common Stock [Member]	Additional Paid-In Capital [Member]	Accumulated Deficit [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Treasury Stock [Member]	Total
Balance at Dec. 31, 2021										$ 55	$ 13	$ 88,528	$ 44,084	$ (170)	$ (7,180)	$ 125,330
Net income													9,244			9,244
Other comprehensive loss														(1,267)		(1,267)
Issuance of stock based incentive plan shares, net of forfeitures										1		(1)
Restricted stock expense, net of forfeitures												402				402
Stock options exercised												132				132
Acquisition of treasury shares surrendered upon vesting of restricted stock for payment of taxes															(48)	(48)
Purchase of treasury shares															(588)	(588)
Cash dividends declared on common stock													(514)			(514)
Balance at Jun. 30, 2022										56	13	89,061	52,814	(1,437)	(7,816)	132,691
Balance at Dec. 31, 2021										55	13	88,528	44,084	(170)	(7,180)	125,330
Balance at Dec. 31, 2022	$ (39)	$ (39)	$ 56	$ 13	$ 89,813	$ 61,056	$ (2,037)	$ (9,692)	$ 139,209	56	13	89,813	61,095	(2,037)	(9,692)	$ 139,248
Accounting Standards Update [Extensible Enumeration]																Accounting Standards Update201613 [Member]
Balance at Mar. 31, 2022										55	13	88,708	48,345	(1,220)	(7,559)	$ 128,342
Net income													4,726			4,726
Other comprehensive loss														(217)		(217)
Issuance of stock based incentive plan shares, net of forfeitures										1		(1)
Restricted stock expense, net of forfeitures												222				222
Stock options exercised												132				132
Purchase of treasury shares															(257)	(257)
Cash dividends declared on common stock													(257)			(257)
Balance at Jun. 30, 2022										56	13	89,061	52,814	(1,437)	(7,816)	132,691
Balance at Dec. 31, 2022	$ (39)	$ (39)	$ 56	$ 13	$ 89,813	$ 61,056	$ (2,037)	$ (9,692)	$ 139,209	56	13	89,813	61,095	(2,037)	(9,692)	139,248
Net income													8,671			8,671
Other comprehensive loss														(364)		(364)
Issuance of stock based incentive plan shares, net of forfeitures										1		(1)
Restricted stock expense, net of forfeitures												582				582
Stock options exercised												28				28
Acquisition of treasury shares surrendered upon vesting of restricted stock for payment of taxes															(71)	(71)
Acquisition of treasury shares surrendered upon exercise of stock options for payment of exercise price															(9)	(9)
Cash dividends declared on common stock													(705)			(705)
Balance at Jun. 30, 2023										57	13	90,422	69,022	(2,401)	(9,772)	147,341
Balance at Mar. 31, 2023										57	13	90,095	65,184	(2,253)	(9,763)	143,333
Net income													4,223			4,223
Other comprehensive loss														(148)		(148)
Restricted stock expense, net of forfeitures												299				299
Acquisition of treasury shares surrendered upon exercise of stock options for payment of exercise price												28			(9)	19
Cash dividends declared on common stock													(385)			(385)
Balance at Jun. 30, 2023										$ 57	$ 13	$ 90,422	$ 69,022	$ (2,401)	$ (9,772)	$ 147,341