Quarterly Financial Data - Schedule of Quarterly Financial Information (Parenthetical) (Detail) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Schedule Of Quarterly Financial Data [Line Items]
Gross profit (loss)	$ 92,584	$ 22,129	$ 142,924	$ 90,730	$ 78,464	$ 17,447	$ 35,008	$ 8,060	$ 348,367	$ 138,979	$ 17,048
Gain (loss) on natural gas forward contracts								2,706		2,706	(1,613)
Legal fees associated with Leidos matter	(200)	(302)	(270)	(342)	(296)	(271)	(441)	(886)
Gain (loss) on extinguishment of debt				(113)	(20,259)		10,000		(113)	(10,259)
Interest expense associated with Global judgment									(46,827)	(49,378)	(51,115)
Unrealized gain (loss) on fair value of embedded derivative						(1,106)	(716)	(436)
Benefit (provision) for income taxes	(6,897)	(780)	(20,382)	(11,115)	4,369	(19)	248	(42)	$ (39,174)	$ 4,556	$ 4,749
Cost of Sales [Member]
Schedule Of Quarterly Financial Data [Line Items]
Compensation expense due to CoC event						(1,221)
SG&A [Member]
Schedule Of Quarterly Financial Data [Line Items]
Compensation expense due to CoC event						(3,786)
Turnaround Expense
Schedule Of Quarterly Financial Data [Line Items]
Gross profit (loss)	(4,171)	(19,238)	(3,295)	(2,531)	(1,130)	(7,976)	(707)	(140)
Global Industrial Inc [Member]
Schedule Of Quarterly Financial Data [Line Items]
Interest expense associated with Global judgment	$ (80)	$ (80)	$ (79)	$ (79)	$ (80)	$ (80)	$ (79)	$ (78)