Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Statement of Comprehensive Income [Abstract]
Consolidated net income (loss)	$ 58,867	$ 153,488	$ 50,918
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments	(5,668)	(13,747)	6,457
Benefit plans	0	301	(1,840)
Total other comprehensive income (loss), net of tax	(5,668)	(13,446)	4,617
Comprehensive income (loss)	53,199	140,042	55,535
Less: Comprehensive income (loss) attributable to noncontrolling interest in subsidiaries, net of tax	9,370	27,653	6,301
Comprehensive income (loss) attributable to common stockholders	$ 43,829	$ 112,389	$ 49,234