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, 2021		2,707	3,694
Beginning treasury balance (in shares) at Dec. 31, 2021				(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	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		2,822	3,816
Ending treasury balance (in shares) at Jun. 30, 2022				(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 treasury 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	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		2,822	3,816
Ending treasury balance (in shares) at Jun. 30, 2022				(994)
Ending balance at Jun. 30, 2022	$ 45,168		$ 490,494	$ (15,555)	(1,360)	(428,411)
Beginning balance (in shares) at Dec. 31, 2022	2,823	2,794	3,823
Beginning treasury balance (in shares) at Dec. 31, 2022	1,029			(1,029)
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	$ 932					932
Other comprehensive loss					(63)
Purchase of treasury stock (in shares)				(27)
Purchase of treasury stock				$ (573)
Purchase of restricted stock from employees (in shares)				(10)
Purchase of net settled restricted stock from employees				$ (209)
Stock-based compensation (in shares)			66
Stock-based compensation			$ 856
Ending balance (in shares) at Jun. 30, 2023	2,794	2,823	3,889
Ending treasury balance (in shares) at Jun. 30, 2023	1,066			(1,066)
Ending balance at Jun. 30, 2023	$ 46,684		$ 492,427	$ (17,528)	(1,702)	(426,513)
Beginning balance (in shares) at Mar. 31, 2023		2,824	3,861
Beginning treasury balance (in shares) at Mar. 31, 2023				(1,037)
Beginning balance at Mar. 31, 2023	46,395		$ 492,044	$ (16,910)	(1,648)	(427,091)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	$ 578					578
Other comprehensive loss					(54)
Purchase of treasury stock (in shares)				(27)
Purchase of treasury stock				$ (573)
Purchase of restricted stock from employees (in shares)				(2)
Purchase of net settled restricted stock from employees				$ (45)
Stock-based compensation (in shares)			28
Stock-based compensation			$ 383
Ending balance (in shares) at Jun. 30, 2023	2,794	2,823	3,889
Ending treasury balance (in shares) at Jun. 30, 2023	1,066			(1,066)
Ending balance at Jun. 30, 2023	$ 46,684		$ 492,427	$ (17,528)	$ (1,702)	$ (426,513)