Leases, Right-of-Use Assets and Related Liabilities - Narrative (Details) $ in Thousands	3 Months Ended			12 Months Ended
	Sep. 30, 2022 USD ($)	Dec. 31, 2021 USD ($)	Sep. 30, 2021 USD ($)	Dec. 31, 2022 USD ($) contract site	Dec. 31, 2021 USD ($)	Jun. 30, 2022 USD ($)	Mar. 31, 2022 USD ($)	Jun. 30, 2021 USD ($)
Leases [Abstract]
Number of finance lease | contract				4
Number of digester sites | site				3
Lessee, Lease, Description [Line Items]
Reduction to finance right of use asset		$ 236		$ 219	$ 236
Reduction to finance lease liabilities (current)		11		79	11
Reduction to finance lease liabilities (long-term)		242		183	242
Increase in cash used in operating activities				(52,613)	(48,271)
Increase (decrease) in cash used for financing activities				$ 138,562	517,324
Revision of Prior Period, Change in Accounting Principle, Adjustment
Lessee, Lease, Description [Line Items]
Reduction to finance right of use asset	$ (26,800)	(27,100)	$ (27,400)		(27,100)	$ (27,300)	$ (26,700)	$ (27,300)
Reduction to finance lease liabilities (current)	(2,100)	(3,400)	(2,700)		(3,400)	(6,200)	(4,000)	(4,900)
Reduction to finance lease liabilities (long-term)	(16,200)	(17,600)	(19,400)		(17,600)	(16,200)	(17,200)	(19,500)
Increase (decrease) in construction in progress	(900)	(800)	(800)		(800)	(700)	(700)	(800)
Increase (decrease) in other assets	8,700	7,400	6,000		$ 7,400	7,700	$ 7,500	$ 3,400
Increase (decrease) in prepaid expenses,						1,100
Increase (decrease) in prepaid expenses and other assets						$ 900
Increase in cash used in operating activities	4,300	4,500	3,000
Increase (decrease) in cash used for financing activities	$ (4,300)	$ (4,500)	$ (3,000)