STATEMENTS OF SHAREHOLDERS’ EQUITY - USD ($) $ in Thousands	Total	Common stock	Capital in Excess of Par Value	Retained Earnings	Accumulated Other Comprehensive Loss	Treasury Stock
Beginning balance at Dec. 31, 2022	$ 318,004	$ 544	$ 60,663	$ 498,863	$ (97,895)	$ (144,171)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(50,524)			(50,524)
Other comprehensive (loss) income	10,299				10,299
Comprehensive loss	(40,225)
Share-based compensation expense	1,307		1,307
Delivery of treasury shares:
RSUs and PSAs	(248)		(4,025)			3,777
Ending balance at Jun. 30, 2023	278,838	544	57,945	448,339	(87,596)	(140,394)
Beginning balance at Mar. 31, 2023	312,587	544	59,256	485,279	(90,423)	(142,069)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(36,940)			(36,940)
Other comprehensive (loss) income	2,827				2,827
Comprehensive loss	(34,113)
Share-based compensation expense	376		376
Delivery of treasury shares:
RSUs and PSAs	(12)		(1,687)			1,675
Ending balance at Jun. 30, 2023	278,838	544	57,945	448,339	(87,596)	(140,394)
Beginning balance at Dec. 31, 2023	256,854	544	58,759	419,810	(82,509)	(139,750)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(42,626)			(42,626)
Other comprehensive (loss) income	(10,019)				(10,019)
Comprehensive loss	(52,645)
Share-based compensation expense	1,469		1,469
Delivery of treasury shares:
RSUs and PSAs	(158)		(4,832)			4,674
Ending balance at Jun. 30, 2024	205,520	544	55,396	377,184	(92,528)	(135,076)
Beginning balance at Mar. 31, 2024	223,322	544	56,781	393,463	(90,211)	(137,255)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(16,279)			(16,279)
Other comprehensive (loss) income	(2,317)				(2,317)
Comprehensive loss	(18,596)
Share-based compensation expense	798		798
Delivery of treasury shares:
RSUs and PSAs	(4)		(2,183)			2,179
Ending balance at Jun. 30, 2024	$ 205,520	$ 544	$ 55,396	$ 377,184	$ (92,528)	$ (135,076)