CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY - USD ($) $ in Thousands	Total	Common Stock Issued	Common Stock in Treasury	Paid-in Capital	Accumulated Other Comprehensive Income (Loss)	Retained Earnings
Beginning balance (in shares) at Dec. 31, 2022		25,000,000
Beginning balance at Dec. 31, 2022	$ 268,406	$ 250	$ (368,194)	$ 326,839	$ (21,187)	$ 330,698
Beginning balance (in shares) at Dec. 31, 2022			(12,295,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(61,363)					(61,363)
Currency translation adjustment	1,916				1,916
Shares issued for employee benefit plan and compensation (in shares)		189,000
Shares issued for employee benefit plan and compensation	352	$ 2		350
Purchase of treasury shares (in shares)			(53,000)
Purchase of treasury shares	(812)		$ (812)
Shares issued to directors (in shares)		8,000
Shares issued to directors	0
Employee and director stock-based compensation	2,540			2,540
Ending balance (in shares) at Mar. 31, 2023		25,197,000
Ending balance at Mar. 31, 2023	211,039	$ 252	$ (369,006)	329,729	(19,271)	269,335
Ending balance (in shares) at Mar. 31, 2023			(12,348,000)
Beginning balance (in shares) at Dec. 31, 2022		25,000,000
Beginning balance at Dec. 31, 2022	268,406	$ 250	$ (368,194)	326,839	(21,187)	330,698
Beginning balance (in shares) at Dec. 31, 2022			(12,295,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(91,136)
Currency translation adjustment	$ (2,702)
Purchase of treasury shares (in shares)	(61,000)
Purchase of treasury shares	$ (888)
Ending balance (in shares) at Sep. 30, 2023		25,301,000
Ending balance at Sep. 30, 2023	181,527	$ 253	$ (369,082)	334,683	(23,889)	239,562
Ending balance (in shares) at Sep. 30, 2023			(12,356,000)
Beginning balance (in shares) at Mar. 31, 2023		25,197,000
Beginning balance at Mar. 31, 2023	211,039	$ 252	$ (369,006)	329,729	(19,271)	269,335
Beginning balance (in shares) at Mar. 31, 2023			(12,348,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(10,411)					(10,411)
Currency translation adjustment	(3,117)				(3,117)
Shares issued for employee benefit plan and compensation (in shares)		50,000
Shares issued for employee benefit plan and compensation	373	$ 1		372
Purchase of treasury shares (in shares)			(5,000)
Purchase of treasury shares	(43)		$ (43)
Shares issued to directors (in shares)		7,000
Shares issued to directors	0
Employee and director stock-based compensation	2,158			2,158
Ending balance (in shares) at Jun. 30, 2023		25,254,000
Ending balance at Jun. 30, 2023	199,999	$ 253	$ (369,049)	332,259	(22,388)	258,924
Ending balance (in shares) at Jun. 30, 2023			(12,353,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(19,362)					(19,362)
Currency translation adjustment	(1,501)				(1,501)
Shares issued for employee benefit plan and compensation (in shares)		40,000
Shares issued for employee benefit plan and compensation	289			289
Purchase of treasury shares (in shares)			(3,000)
Purchase of treasury shares	(33)		$ (33)
Shares issued to directors (in shares)		7,000
Shares issued to directors	0
Employee and director stock-based compensation	2,135			2,135
Ending balance (in shares) at Sep. 30, 2023		25,301,000
Ending balance at Sep. 30, 2023	181,527	$ 253	$ (369,082)	334,683	(23,889)	239,562
Ending balance (in shares) at Sep. 30, 2023			(12,356,000)
Beginning balance (in shares) at Dec. 31, 2023		25,346,000
Beginning balance at Dec. 31, 2023	$ 178,920	$ 253	$ (369,973)	336,938	(20,758)	232,460
Beginning balance (in shares) at Dec. 31, 2023	(12,459,845)		(12,460,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	$ (8,649)					(8,649)
Currency translation adjustment	(1,591)				(1,591)
Shares issued for employee benefit plan and compensation (in shares)		156,000
Shares issued for employee benefit plan and compensation	301	$ 2		299
Purchase of treasury shares (in shares)			(140,000)
Purchase of treasury shares	(1,230)		$ (1,230)
Shares issued to directors (in shares)		6,000
Shares issued to directors	0
Employee and director stock-based compensation	1,904			1,904
Ending balance (in shares) at Mar. 31, 2024		25,508,000
Ending balance at Mar. 31, 2024	169,655	$ 255	$ (371,203)	339,141	(22,349)	223,811
Ending balance (in shares) at Mar. 31, 2024			(12,600,000)
Beginning balance (in shares) at Dec. 31, 2023		25,346,000
Beginning balance at Dec. 31, 2023	$ 178,920	$ 253	$ (369,973)	336,938	(20,758)	232,460
Beginning balance (in shares) at Dec. 31, 2023	(12,459,845)		(12,460,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	$ (19,500)
Currency translation adjustment	$ (2,293)
Purchase of treasury shares (in shares)	(201,000)
Purchase of treasury shares	$ (1,896)
Ending balance (in shares) at Sep. 30, 2024		25,680,000
Ending balance at Sep. 30, 2024	$ 161,186	$ 257	$ (371,869)	342,889	(23,051)	212,960
Ending balance (in shares) at Sep. 30, 2024	(12,660,397)		(12,660,000)
Beginning balance (in shares) at Mar. 31, 2024		25,508,000
Beginning balance at Mar. 31, 2024	$ 169,655	$ 255	$ (371,203)	339,141	(22,349)	223,811
Beginning balance (in shares) at Mar. 31, 2024			(12,600,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(8,193)					(8,193)
Currency translation adjustment	(2,902)				(2,902)
Shares issued for employee benefit plan and compensation (in shares)		111,000
Shares issued for employee benefit plan and compensation	362	$ 1		361
Purchase of treasury shares (in shares)			(55,000)
Purchase of treasury shares	(611)		$ (611)
Shares issued to directors (in shares)		8,000
Shares issued to directors	0
Employee and director stock-based compensation	1,460			1,460
Ending balance (in shares) at Jun. 30, 2024		25,627,000
Ending balance at Jun. 30, 2024	159,771	$ 256	$ (371,814)	340,962	(25,251)	215,618
Ending balance (in shares) at Jun. 30, 2024			(12,655,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(2,658)					(2,658)
Currency translation adjustment	2,200				2,200
Shares issued for employee benefit plan and compensation (in shares)		45,000
Shares issued for employee benefit plan and compensation	277	$ 1		276
Purchase of treasury shares (in shares)			(5,000)
Purchase of treasury shares	(55)		$ (55)
Shares issued to directors (in shares)		8,000
Shares issued to directors	0
Employee and director stock-based compensation	1,651			1,651
Ending balance (in shares) at Sep. 30, 2024		25,680,000
Ending balance at Sep. 30, 2024	$ 161,186	$ 257	$ (371,869)	$ 342,889	$ (23,051)	$ 212,960
Ending balance (in shares) at Sep. 30, 2024	(12,660,397)		(12,660,000)