Quarterly report pursuant to Section 13 or 15(d)

Goodwill and Intangible Assets - Intangible Assets (Details)

v3.22.1
Goodwill and Intangible Assets - Intangible Assets (Details) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount $ 658,383 $ 649,789
Accumulated Amortization 21,150 11,318
Net 637,233 638,471
Biogas rights agreements    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 612,461 603,868
Accumulated Amortization 15,437 8,237
Net 597,024 595,631
Electricity off-take agreements    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 26,512 26,511
Accumulated Amortization 1,547 749
Net 24,965 25,762
Operations and maintenance contracts    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 8,620 8,620
Accumulated Amortization 316 173
Net 8,304 8,447
RNG purchase contract    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 10,290 10,290
Accumulated Amortization 3,642 1,959
Net 6,648 8,331
Customer relationships    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 350 350
Accumulated Amortization 146 140
Net 204 210
Trade names    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 150 150
Accumulated Amortization 62 60
Net $ 88 $ 90