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, 2022	$ 623,042	$ 145,448	$ (848,570)	$ 225,759	$ 1,614,441	$ (567,636)	$ 53,600
Increase (Decrease) in Stockholders' Equity
Net income (loss)	(8,590)				(9,525)		935
Total other comprehensive income	7,152					6,794	358
Sale of subsidiary shares to noncontrolling interest	0			398			(398)
Vesting of restricted stock units and other stock grants, net	(1,108)	395	(1,108)	(395)
Amortization of unearned portion of stock-based compensation, net of forfeitures	3,456			3,456
Ending balance at Mar. 31, 2023	623,952	145,843	(849,678)	229,218	1,604,916	(560,842)	54,495
Beginning balance at Dec. 31, 2022	623,042	145,448	(848,570)	225,759	1,614,441	(567,636)	53,600
Increase (Decrease) in Stockholders' Equity
Net income (loss)	(34,522)
Total other comprehensive income	15,246
Ending balance at Sep. 30, 2023	613,765	146,079	(849,944)	235,245	1,582,675	(550,334)	50,044
Beginning balance at Mar. 31, 2023	623,952	145,843	(849,678)	229,218	1,604,916	(560,842)	54,495
Increase (Decrease) in Stockholders' Equity
Net income (loss)	(15,838)				(11,439)		(4,399)
Total other comprehensive income	14,401					16,236	(1,835)
Contributions from noncontrolling interests	1,654						1,654
Vesting of restricted stock units and other stock grants, net	(130)	123	(130)	(123)
Amortization of unearned portion of stock-based compensation, net of forfeitures	3,368			3,368
Ending balance at Jun. 30, 2023	627,407	145,966	(849,808)	232,463	1,593,477	(544,606)	49,915
Increase (Decrease) in Stockholders' Equity
Net income (loss)	(10,094)				(10,802)		708
Total other comprehensive income	(6,307)					(5,728)	(579)
Vesting of restricted stock units and other stock grants, net	(136)	113	(136)	(113)
Amortization of unearned portion of stock-based compensation, net of forfeitures	2,895			2,895
Ending balance at Sep. 30, 2023	613,765	146,079	(849,944)	235,245	1,582,675	(550,334)	50,044
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)	(40,233)
Total other comprehensive income	(5,701)
Ending balance at Sep. 30, 2024	525,879	146,706	(851,541)	250,855	1,483,589	(545,620)	41,890
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
Increase (Decrease) in Stockholders' Equity
Net income (loss)	(12,267)				(13,168)		901
Noncontrolling interests	(3,413)						(3,413)
Total other comprehensive income	8,198					6,928	1,270
Vesting of restricted stock units and other stock grants, net	(214)	55	(214)	(55)
Amortization of unearned portion of stock-based compensation, net of forfeitures	4,777			4,777
Ending balance at Sep. 30, 2024	$ 525,879	$ 146,706	$ (851,541)	$ 250,855	$ 1,483,589	$ (545,620)	$ 41,890