CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY - USD ($) $ in Thousands	Total	Common Stock Issued	Treasury	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Noncontrolling Interests
Balances at Dec. 31, 2022	$ 600,050	$ 145,448	$ (848,570)	$ 225,759	$ 1,591,448	$ (567,635)	$ 53,600
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(84,939)				(82,962)		(1,977)
Cash dividends declared:
Noncontrolling interests	(5)						(5)
Total other comprehensive income (loss)	25,028					25,645	(617)
Purchase of subsidiary shares from noncontrolling interest	0			398			(398)
Proceeds from (Payments to) Noncontrolling Interests	1,654						1,654
Vesting of restricted stock units and other stock grants	(1,426)	657	(1,426)	(657)
Amortization of unearned stock-based compensation, net of forfeitures	12,916			12,916
Balances at Dec. 31, 2023	553,278	146,105	(849,996)	238,416	1,508,486	(541,990)	52,257
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(124,339)				(129,651)		5,312
Cash dividends declared:
Noncontrolling interests	(17,095)						(17,095)
Total other comprehensive income (loss)	3,380					4,605	(1,225)
Purchase of subsidiary shares from noncontrolling interest	(1,197)			775			(1,972)
Proceeds from (Payments to) Noncontrolling Interests	874						874
Stock appreciation rights exercised	(2)	1	(2)	(1)
Vesting of restricted stock units and other stock grants	(1,883)	738	(1,883)	(738)
Amortization of unearned stock-based compensation, net of forfeitures	16,650			16,650
Balances at Dec. 31, 2024	429,666	146,844	(851,881)	255,102	1,378,835	(537,385)	38,151
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(163,709)				(167,601)		3,892
Cash dividends declared:
Noncontrolling interests	(3,377)						(3,377)
Total other comprehensive income (loss)	24,763					22,904	1,859
Stock appreciation rights exercised	(46)	19	(46)	(19)
Vesting of restricted stock units and other stock grants	(1,934)	946	(1,934)	(946)
Vesting of performance share units	(10,785)	1,710	(10,785)	(1,710)
Amortization of unearned stock-based compensation, net of forfeitures	21,009			21,009
Balances at Dec. 31, 2025	$ 295,587	$ 149,519	$ (864,646)	$ 273,436	$ 1,211,234	$ (514,481)	$ 40,525