CONDENSED CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Stock	Common stock and additional paid-in capital	Treasury stock:	Accumulated other comprehensive (loss) income	Retained Earnings
Beginning balance (in shares) at Dec. 31, 2021		2,707,000	3,694,000
Beginning treasury balance (in shares) at Dec. 31, 2021				(987,000)
Beginning balance at Dec. 31, 2021	$ 39,316		$ 489,253	$ (15,329)	$ (85)	$ (434,523)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	7,067					7,067
Other comprehensive loss					(2,426)
Purchase of treasury stock (in shares)				(33,000)
Purchase of treasury stock				$ (1,131)
Purchase of restricted stock from employees (in shares)				(7,000)
Purchase of net settled restricted stock from employees				$ (246)
Stock-based compensation (in shares)			124,000
Stock-based compensation			$ 1,786
Ending balance (in shares) at Sep. 30, 2022		2,791,000	3,818,000
Ending treasury balance (in shares) at Sep. 30, 2022				(1,027,000)
Ending balance at Sep. 30, 2022	44,366		$ 491,039	$ (16,706)	(2,511)	(427,456)
Beginning balance (in shares) at Jun. 30, 2022		2,822,000	3,816,000
Beginning treasury balance (in shares) at Jun. 30, 2022				(994,000)
Beginning balance at Jun. 30, 2022	45,168		$ 490,494	$ (15,555)	(1,360)	(428,411)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	955					955
Other comprehensive loss					(1,151)
Purchase of treasury stock (in shares)				(33,000)
Purchase of treasury stock				$ (1,131)
Purchase of restricted stock from employees (in shares)				0
Purchase of net settled restricted stock from employees				$ (20)
Stock-based compensation (in shares)			2,000
Stock-based compensation			$ 545
Ending balance (in shares) at Sep. 30, 2022		2,791,000	3,818,000
Ending treasury balance (in shares) at Sep. 30, 2022				(1,027,000)
Ending balance at Sep. 30, 2022	$ 44,366		$ 491,039	$ (16,706)	(2,511)	(427,456)
Beginning balance (in shares) at Dec. 31, 2022	2,815,000	2,794,000	3,823,000
Beginning treasury balance (in shares) at Dec. 31, 2022	1,029,000			(1,029,000)
Beginning balance at Dec. 31, 2022	$ 45,792		$ 491,571	$ (16,746)	(1,639)	(427,394)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	$ 1,465					1,465
Other comprehensive loss					(561)
Purchase of treasury stock (in shares)	(36,842)			(37,000)
Purchase of treasury stock	$ (774)			$ (774)
Purchase of restricted stock from employees (in shares)				(10,000)
Purchase of net settled restricted stock from employees				$ (222)
Stock-based compensation (in shares)			68,000
Stock-based compensation			$ 987
Ending balance (in shares) at Sep. 30, 2023	2,794,000	2,815,000	3,891,000
Ending treasury balance (in shares) at Sep. 30, 2023	1,076,000			(1,076,000)
Ending balance at Sep. 30, 2023	$ 46,636		$ 492,558	$ (17,742)	(2,200)	(425,980)
Beginning balance (in shares) at Jun. 30, 2023		2,823,000	3,889,000
Beginning treasury balance (in shares) at Jun. 30, 2023				(1,066,000)
Beginning balance at Jun. 30, 2023	46,684		$ 492,427	$ (17,528)	(1,702)	(426,513)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	$ 533					533
Other comprehensive loss					(498)
Purchase of treasury stock (in shares)				(10,000)
Purchase of treasury stock				$ (201)
Purchase of restricted stock from employees (in shares)				0
Purchase of net settled restricted stock from employees				$ (13)
Stock-based compensation (in shares)			2,000
Stock-based compensation			$ 131
Ending balance (in shares) at Sep. 30, 2023	2,794,000	2,815,000	3,891,000
Ending treasury balance (in shares) at Sep. 30, 2023	1,076,000			(1,076,000)
Ending balance at Sep. 30, 2023	$ 46,636		$ 492,558	$ (17,742)	$ (2,200)	$ (425,980)