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, 2021	$ 542,762	$ 544	$ 64,779	$ 705,600	$ (80,304)	$ (147,857)
Increase (Decrease) in Stockholders' Equity
Net income (loss) income	(110,379)			(110,379)
Other comprehensive income (loss)	(31,109)				(31,109)
Comprehensive (loss) income	(141,488)
Cash dividends declared	(12,534)			(12,534)
Share-based compensation expense	2,419		2,419
RSUs and PSAs	(1,237)		(4,643)			3,406
Ending balance at Jun. 30, 2022	389,922	544	62,555	582,687	(111,413)	(144,451)
Beginning balance at Mar. 31, 2022	416,733	544	61,873	591,012	(91,424)	(145,272)
Increase (Decrease) in Stockholders' Equity
Net income (loss) income	(2,052)			(2,052)
Other comprehensive income (loss)	(19,989)				(19,989)
Comprehensive (loss) income	(22,041)
Cash dividends declared	(6,273)			(6,273)
Share-based compensation expense	1,510		1,510
RSUs and PSAs	(7)		(828)			821
Ending balance at Jun. 30, 2022	389,922	544	62,555	582,687	(111,413)	(144,451)
Beginning balance at Dec. 31, 2022	318,004	544	60,663	498,863	(97,895)	(144,171)
Increase (Decrease) in Stockholders' Equity
Net income (loss) income	(50,524)			(50,524)
Other comprehensive income (loss)	10,299				10,299
Comprehensive (loss) income	(40,225)
Share-based compensation expense	1,307		1,307
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
Net income (loss) income	(36,940)			(36,940)
Other comprehensive income (loss)	2,827				2,827
Comprehensive (loss) income	(34,113)
Share-based compensation expense	376		376
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)