CONDENSED CONSOLIDATED STATEMENTS OF EQUITY (Unaudited) - USD ($) $ in Thousands	Total	Common Stock Issued	Common Stock Treasury	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Loss	Noncontrolling Interests
Beginning balance at Dec. 31, 2023	$ 575,408	$ 146,105	$ (849,996)	$ 238,416	$ 1,528,320	$ (539,694)	$ 52,257
Increase (Decrease) in Stockholders' Equity
Net income (loss)	(16,846)				(17,962)		1,116
Noncontrolling interests	(8,243)						(8,243)
Total other comprehensive income	(7,659)					(6,838)	(821)
Contributions from noncontrolling interests	874						874
Vesting of restricted stock units and other stock grants, net	(1,270)	443	(1,270)	(443)
Amortization of unearned portion of stock-based compensation, net of forfeitures	3,860			3,860
Ending balance at Mar. 31, 2024	546,124	146,548	(851,266)	241,833	1,510,358	(546,532)	45,183
Beginning balance at Dec. 31, 2023	575,408	146,105	(849,996)	238,416	1,528,320	(539,694)	52,257
Increase (Decrease) in Stockholders' Equity
Net income (loss)	(27,966)
Total other comprehensive income	(13,899)
Ending balance at Jun. 30, 2024	528,798	146,651	(851,327)	246,133	1,496,757	(552,548)	43,132
Beginning balance at Mar. 31, 2024	546,124	146,548	(851,266)	241,833	1,510,358	(546,532)	45,183
Increase (Decrease) in Stockholders' Equity
Net income (loss)	(11,120)				(13,601)		2,481
Noncontrolling interests	(4,308)						(4,308)
Total other comprehensive income	(6,240)					(6,016)	(224)
Stock appreciation rights exercised, net	(2)	1	(2)	(1)
Vesting of restricted stock units and other stock grants, net	(59)	102	(59)	(102)
Amortization of unearned portion of stock-based compensation, net of forfeitures	4,403			4,403
Ending balance at Jun. 30, 2024	528,798	146,651	(851,327)	246,133	1,496,757	(552,548)	43,132
Beginning balance at Dec. 31, 2024	449,599	146,844	(851,881)	255,102	1,400,347	(538,964)	38,151
Increase (Decrease) in Stockholders' Equity
Net income (loss)	(12,195)				(13,396)		1,201
Total other comprehensive income	8,718					8,351	367
Vesting of restricted stock units and other stock grants, net	(1,357)	636	(1,357)	(636)
Vesting of performance share units, net	(122)	35	(122)	(35)
Amortization of unearned portion of stock-based compensation, net of forfeitures	4,044			4,044
Ending balance at Mar. 31, 2025	448,687	147,515	(853,360)	258,475	1,386,951	(530,613)	39,719
Beginning balance at Dec. 31, 2024	449,599	146,844	(851,881)	255,102	1,400,347	(538,964)	38,151
Increase (Decrease) in Stockholders' Equity
Net income (loss)	(58,744)
Total other comprehensive income	18,751
Ending balance at Jun. 30, 2025	417,831	147,706	(853,416)	264,000	1,339,344	(521,368)	41,565
Beginning balance at Mar. 31, 2025	448,687	147,515	(853,360)	258,475	1,386,951	(530,613)	39,719
Increase (Decrease) in Stockholders' Equity
Net income (loss)	(46,549)				(47,607)		1,058
Total other comprehensive income	10,033					9,245	788
Vesting of restricted stock units and other stock grants, net	(56)	191	(56)	(191)
Amortization of unearned portion of stock-based compensation, net of forfeitures	5,716			5,716
Ending balance at Jun. 30, 2025	$ 417,831	$ 147,706	$ (853,416)	$ 264,000	$ 1,339,344	$ (521,368)	$ 41,565