Quarterly report pursuant to Section 13 or 15(d)

Equity Method Investments - Narrative (Details)

v3.21.4
Equity Method Investments - Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended 8 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2021
Sep. 14, 2021
Sep. 30, 2021
Dec. 31, 2020
Jun. 30, 2021
Sep. 30, 2017
Mavrix            
Schedule of Equity Method Investments [Line Items]            
Membership percentage           50.00%
Earn-out payment     $ 1,700      
Carrying value basis difference $ 145,500   145,500      
Amortization of basis difference $ 400   $ 400      
Mavrix | Maximum            
Schedule of Equity Method Investments [Line Items]            
Earn-out payment obligation           $ 9,550
Mavrix | Aria Energy LLC            
Schedule of Equity Method Investments [Line Items]            
Membership percentage           50.00%
Earn-out payment obligation   $ 1,700   $ 1,400    
Earn-out payment   1,700   $ 1,400    
Joint ventures membership amount           $ 9,550
Mavrix | Aria Energy LLC | Maximum            
Schedule of Equity Method Investments [Line Items]            
Earn-out payment obligation   $ 9,550        
Mavrix | Two Joint Ventures            
Schedule of Equity Method Investments [Line Items]            
Interest in joint ventures 50.00%   50.00%      
Two Joint Ventures | Mavrix and Sunshine Gas Producers | Aria Energy LLC            
Schedule of Equity Method Investments [Line Items]            
Interest in joint ventures   50.00%        
Four Joint Ventures | Riverview Energy Systems, Adrian Energy Systems, Salem Energy Systems and Salt Lake Energy Systems | Aria Energy LLC            
Schedule of Equity Method Investments [Line Items]            
Interest in joint ventures         50.00%