Nature of Business, Financial Condition and Basis of Presentation (Details) ft² in Thousands, $ in Thousands, lb in Millions	3 Months Ended				9 Months Ended
	Jun. 30, 2023 USD ($)	Mar. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Sep. 30, 2022 USD ($)	Sep. 30, 2023 USD ($) a ft² MMBTU item lb gal	Sep. 30, 2022 USD ($)
Nature of Business, Financial Condition and Basis of Presentation [Line Items]
Renewable natural gas facilities, original design capacity | MMBTU					355,000
Increase to property, plant, and equipment			$ 185,174		$ 238,117
Decrease in deposits and other assets			13,692		11,759
Increase in trade accounts receivable			476		2,242
Increase(Decrease) is accounts payable and accrued liabilities			24,760		27,895
Decrease in the net cash used in operating activities					(21,128)	$ (32,776)
Decrease in the net cash provided by investing activities					$ 107,171	$ 36,568
Revision of prior period, adjustment post VIEs
Nature of Business, Financial Condition and Basis of Presentation [Line Items]
Decrease to deposits and other assets	$ 300
Increase to property, plant, and equipment	19,700	$ 19,000	8,300
Decrease in deposits and other assets	(19,700)	(19,000)	(8,300)
Increase in trade accounts receivable		100
Increase(Decrease) is accounts payable and accrued liabilities	(300)	100
Decrease in the net cash used in operating activities	(11,400)	(10,700)	(8,300)	$ (8,300)
Decrease in the net cash provided by investing activities	$ (11,400)	$ (10,700)	$ (8,300)	$ (8,300)
Lake Preston, South Dakota | Hydrocarbon revenue
Nature of Business, Financial Condition and Basis of Presentation [Line Items]
Project production capacity (in gallon per year) | gal					65,000,000
Lake Preston, South Dakota | Sustainable Aviation Fuel (SAF)
Nature of Business, Financial Condition and Basis of Presentation [Line Items]
Project production capacity (in gallon per year) | gal					60
Lake Preston, South Dakota | High-Value Protein Products
Nature of Business, Financial Condition and Basis of Presentation [Line Items]
Project production capacity (in pound per year) | lb					1,390
Lake Preston, South Dakota | Corn Oil
Nature of Business, Financial Condition and Basis of Presentation [Line Items]
Project production capacity (in pound per year) | lb					34
Luverne, Minnesota | Land
Nature of Business, Financial Condition and Basis of Presentation [Line Items]
Area of land (in acres) | a					55
Luverne, Minnesota | Building and Building Improvements
Nature of Business, Financial Condition and Basis of Presentation [Line Items]
Area of real estate property | ft²					50
Northwest Iowa
Nature of Business, Financial Condition and Basis of Presentation [Line Items]
Number of dairies | item					3