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	(70,387)			(70,387)
Other comprehensive income (loss)	4,156				4,156
Comprehensive income (loss)	(66,231)
Share-based compensation expense	2,205		2,205
Delivery of treasury shares:
RSUs and PSAs	(280)		(4,701)			4,421
Ending balance at Sep. 30, 2023	253,698	544	58,167	428,476	(93,739)	(139,750)
Beginning balance at Jun. 30, 2023	278,838	544	57,945	448,339	(87,596)	(140,394)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(19,863)			(19,863)
Other comprehensive income (loss)	(6,143)				(6,143)
Comprehensive income (loss)	(26,006)
Share-based compensation expense	898		898
Delivery of treasury shares:
RSUs and PSAs	(32)		(676)			644
Ending balance at Sep. 30, 2023	253,698	544	58,167	428,476	(93,739)	(139,750)
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	(57,873)			(57,873)
Other comprehensive income (loss)	5,388				5,388
Comprehensive income (loss)	(52,485)
Share-based compensation expense	2,550		2,550
Delivery of treasury shares:
RSUs and PSAs	(219)		(6,415)			6,196
Ending balance at Sep. 30, 2024	206,700	544	54,894	361,937	(77,121)	(133,554)
Beginning balance at Jun. 30, 2024	205,520	544	55,396	377,184	(92,528)	(135,076)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(15,247)			(15,247)
Other comprehensive income (loss)	15,407				15,407
Comprehensive income (loss)	160
Share-based compensation expense	1,081		1,081
Delivery of treasury shares:
RSUs and PSAs	(61)		(1,583)			1,522
Ending balance at Sep. 30, 2024	$ 206,700	$ 544	$ 54,894	$ 361,937	$ (77,121)	$ (133,554)