CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 70,079	$ (186,019)	[1]
Other comprehensive income (loss) before tax:
Foreign currency translation adjustment	(6,589)	(2,213)
Defined benefit pension plans:
Net actuarial (loss) gain arising during period	(6,632)	4,048
Settlement cost during period	0	67
Amortization of prior service cost	31	33
Other comprehensive (loss) income, before tax	(13,190)	1,935
Tax benefit (provision) attributable to other comprehensive income (loss)	925	(989)
Other comprehensive (loss) income, net of tax	(12,265)	946
Total comprehensive income (loss)	$ 57,814	$ (185,073)

[1] Consolidated statements of cash flows include discontinued operations. December 31,20222021Cash and cash equivalents from continuing operations$58,075 $55,193 Cash and cash equivalents from discontinued operations— 10,122 Total$58,075 $65,315