Nature of Business, Financial Condition and Basis of Presentation (Details) ft² in Thousands, lb in Millions	6 Months Ended
	Jun. 30, 2023 a ft² MMBTU item lb gal
Nature of Business, Financial Condition and Basis of Presentation [Line Items]
Renewable natural gas facilities, original design capacity | MMBTU	355,000
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	65,000,000
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	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
Number of milking cows | item	24,000