CONDENSED CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) shares in Thousands, $ 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, 2020		2,685	3,672
Beginning Balance (in shares) at Dec. 31, 2020				(987)
Beginning Balance at Dec. 31, 2020	$ 34,280		$ 486,829	$ (15,325)	$ 526	$ (437,750)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	1,169					1,169
Other comprehensive loss					(710)
Purchase of treasury stock (in shares)				0
Purchase of treasury stock				$ 0
Purchase of restricted stock from employees (in shares)				0
Purchase of net settled restricted stock from employees				$ (4)
Stock-based compensation (in shares)			22
Stock-based compensation			$ 1,795
Ending Balance (in shares) at Sep. 30, 2021		2,707	3,694
Ending Balance (in shares) at Sep. 30, 2021				(987)
Ending Balance at Sep. 30, 2021	36,530		$ 488,624	$ (15,329)	(184)	(436,581)
Beginning Balance (in shares) at Jun. 30, 2021		2,690	3,677
Beginning Balance (in shares) at Jun. 30, 2021				(987)
Beginning Balance at Jun. 30, 2021	34,803		$ 487,925	$ (15,329)	282	(438,075)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	1,494					1,494
Other comprehensive loss					(466)
Purchase of treasury stock (in shares)				0
Purchase of treasury stock				$ 0
Purchase of restricted stock from employees (in shares)				0
Purchase of net settled restricted stock from employees				$ 0
Stock-based compensation (in shares)			17
Stock-based compensation			$ 699
Ending Balance (in shares) at Sep. 30, 2021		2,707	3,694
Ending Balance (in shares) at Sep. 30, 2021				(987)
Ending Balance at Sep. 30, 2021	$ 36,530		$ 488,624	$ (15,329)	(184)	(436,581)
Beginning Balance (in shares) at Dec. 31, 2021	2,791	2,707	3,694
Beginning Balance (in shares) at Dec. 31, 2021	987			(987)
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)
Purchase of treasury stock				$ (1,131)
Purchase of restricted stock from employees (in shares)				(7)
Purchase of net settled restricted stock from employees				$ (246)
Stock-based compensation (in shares)			124
Stock-based compensation			$ 1,786
Ending Balance (in shares) at Sep. 30, 2022	2,707	2,791	3,818
Ending Balance (in shares) at Sep. 30, 2022	1,027			(1,027)
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	3,816
Beginning Balance (in shares) at Jun. 30, 2022				(994)
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)
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
Stock-based compensation			$ 545
Ending Balance (in shares) at Sep. 30, 2022	2,707	2,791	3,818
Ending Balance (in shares) at Sep. 30, 2022	1,027			(1,027)
Ending Balance at Sep. 30, 2022	$ 44,366		$ 491,039	$ (16,706)	$ (2,511)	$ (427,456)