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 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 Loss [Member]	Treasury Stock [Member]	Total
Balance at Dec. 31, 2021										$ 55	$ 13	$ 88,528	$ 44,084	$ (170)	$ (7,180)	$ 125,330
Net income													13,493			13,493
Other comprehensive loss														(1,484)		(1,484)
Issuance of stock based incentive plan shares, net of forfeitures										1		(1)
Restricted stock expense, net of forfeitures												648				648
Stock options exercised												132				132
Acquisition of treasury shares surrendered upon vesting of restricted stock for payment of taxes															(73)	(73)
Purchase of treasury shares															(2,339)	(2,339)
Cash dividends declared on common stock													(835)			(835)
Balance at Sep. 30, 2022										56	13	89,307	56,742	(1,654)	(9,592)	134,872
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 Jun. 30, 2022										56	13	89,061	52,814	(1,437)	(7,816)	$ 132,691
Net income													4,249			4,249
Other comprehensive loss														(217)		(217)
Restricted stock expense, net of forfeitures												246				246
Acquisition of treasury shares surrendered upon vesting of restricted stock for payment of taxes															(25)	(25)
Purchase of treasury shares															(1,751)	(1,751)
Cash dividends declared on common stock													(321)			(321)
Balance at Sep. 30, 2022										56	13	89,307	56,742	(1,654)	(9,592)	134,872
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													12,702			12,702
Other comprehensive loss														(347)		(347)
Issuance of stock based incentive plan shares, net of forfeitures										1		(1)
Restricted stock expense, net of forfeitures												875				875
Stock options exercised												44				44
Acquisition of treasury shares surrendered upon vesting of restricted stock for payment of taxes															(96)	(96)
Acquisition of treasury shares surrendered upon exercise of stock options for payment of exercise price															(27)	(27)
Cash dividends declared on common stock													(1,090)			(1,090)
Balance at Sep. 30, 2023										57	13	90,731	72,668	(2,384)	(9,815)	151,270
Balance at Jun. 30, 2023										57	13	90,422	69,022	(2,401)	(9,772)	147,341
Net income													4,031			4,031
Other comprehensive loss														17		17
Restricted stock expense, net of forfeitures												294				294
Stock options exercised												15				15
Acquisition of treasury shares surrendered upon vesting of restricted stock for payment of taxes															(24)	(24)
Acquisition of treasury shares surrendered upon exercise of stock options for payment of exercise price															(19)	(19)
Cash dividends declared on common stock													(385)			(385)
Balance at Sep. 30, 2023										$ 57	$ 13	$ 90,731	$ 72,668	$ (2,384)	$ (9,815)	$ 151,270