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 (loss)	(325)					(325)
Other comprehensive loss					(244)
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)			5
Stock-based compensation			$ 1,096
Ending Balance (in shares) at Jun. 30, 2021		2,690	3,677
Ending Balance (in shares) at Jun. 30, 2021				(987)
Ending Balance at Jun. 30, 2021	34,803		$ 487,925	$ (15,329)	282	(438,075)
Beginning Balance (in shares) at Mar. 31, 2021		2,688	3,675
Beginning Balance (in shares) at Mar. 31, 2021				(987)
Beginning Balance at Mar. 31, 2021	34,151		$ 487,131	$ (15,327)	300	(437,953)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(122)					(122)
Other comprehensive loss					(18)
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				$ (2)
Stock-based compensation (in shares)			2
Stock-based compensation			$ 794
Ending Balance (in shares) at Jun. 30, 2021		2,690	3,677
Ending Balance (in shares) at Jun. 30, 2021				(987)
Ending Balance at Jun. 30, 2021	$ 34,803		$ 487,925	$ (15,329)	282	(438,075)
Beginning Balance (in shares) at Dec. 31, 2021	2,822	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 (loss)	$ 6,112					6,112
Other comprehensive loss					(1,275)
Purchase of treasury stock (in shares)				0
Purchase of treasury stock				$ 0
Purchase of restricted stock from employees (in shares)				(7)
Purchase of net settled restricted stock from employees				$ (226)
Stock-based compensation (in shares)			122
Stock-based compensation			$ 1,241
Ending Balance (in shares) at Jun. 30, 2022	2,707	2,822	3,816
Ending Balance (in shares) at Jun. 30, 2022	994			(994)
Ending Balance at Jun. 30, 2022	$ 45,168		$ 490,494	$ (15,555)	(1,360)	(428,411)
Beginning Balance (in shares) at Mar. 31, 2022		2,805	3,799
Beginning Balance (in shares) at Mar. 31, 2022				(994)
Beginning Balance at Mar. 31, 2022	42,792		$ 489,799	$ (15,555)	52	(431,504)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	$ 3,093					3,093
Other comprehensive loss					(1,412)
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			$ 695
Ending Balance (in shares) at Jun. 30, 2022	2,707	2,822	3,816
Ending Balance (in shares) at Jun. 30, 2022	994			(994)
Ending Balance at Jun. 30, 2022	$ 45,168		$ 490,494	$ (15,555)	$ (1,360)	$ (428,411)