CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	1 Months Ended	2 Months Ended	3 Months Ended					8 Months Ended	9 Months Ended
	Feb. 05, 2021	Mar. 31, 2021	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Sep. 30, 2021	Jun. 30, 2021	Sep. 30, 2021	Sep. 30, 2022
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 250,228		$ 33,585			$ (23,665)		$ (21,454)	$ 33,986
Other comprehensive loss
Foreign currency translation adjustments	(116)							0	0
Net changes in pension and other postretirement plan assets and benefit obligations recognized in other comprehensive loss, net of tax provision	224		(1,230)			(435)		(267)	(2,817)
Net other comprehensive income (loss)	108	$ 0	(1,230)	$ (1,163)	$ (424)	(435)	$ 168	(267)	(2,817)
Comprehensive income (loss)	$ 250,336		$ 32,355			$ (24,100)		$ (21,721)	$ 31,169