Quarterly report pursuant to Section 13 or 15(d)

Basis of Presentation??and Summary of Significant Accounting Policies - Revenue Recognition (Details)

v3.21.4
Basis of Presentation and Summary of Significant Accounting Policies - Revenue Recognition (Details) - USD ($)
$ in Thousands
2 Months Ended 3 Months Ended 8 Months Ended 9 Months Ended
Sep. 14, 2021
Sep. 30, 2021
Sep. 30, 2020
Sep. 14, 2021
Sep. 30, 2021
Sep. 30, 2020
Revenue from External Customer [Line Items]            
Revenue   $ 11,781 $ 1,904   $ 18,563 $ 4,496
Aria Energy LLC            
Revenue from External Customer [Line Items]            
Revenue $ 35,773   36,081 $ 120,282   105,975
Aria Energy LLC | RNG            
Revenue from External Customer [Line Items]            
Revenue 28,402   21,939 84,853   62,559
Aria Energy LLC | Power            
Revenue from External Customer [Line Items]            
Revenue 7,371   14,142 35,429   43,416
RNG, including RINs and LCFSs            
Revenue from External Customer [Line Items]            
Revenue   5,525 0   6,346 0
RNG, including RINs and LCFSs | Aria Energy LLC            
Revenue from External Customer [Line Items]            
Revenue 28,125   18,925 83,848   51,818
Gas O&M service            
Revenue from External Customer [Line Items]            
Revenue   110 0   110 0
Gas O&M service | Aria Energy LLC            
Revenue from External Customer [Line Items]            
Revenue 268   309 974   791
Power, including RECs            
Revenue from External Customer [Line Items]            
Revenue   5,125 0   7,363 0
Power, including RECs | Aria Energy LLC            
Revenue from External Customer [Line Items]            
Revenue 6,591   11,323 31,217   36,280
Electric O&M service            
Revenue from External Customer [Line Items]            
Revenue   $ 156 0   $ 156 0
Electric O&M service | Aria Energy LLC            
Revenue from External Customer [Line Items]            
Revenue 781   2,819 4,211   7,136
Other | Aria Energy LLC            
Revenue from External Customer [Line Items]            
Revenue $ 8   $ 2,705 $ 32   $ 9,950