Annual report pursuant to Section 13 and 15(d)

Energy Assets, Net - Additional Information (Details)

v3.22.0.1
Energy Assets, Net - Additional Information (Details)
$ in Thousands
 1 Months Ended 12 Months Ended
Sep. 30, 2021
USD ($)
Aug. 31, 2020
USD ($)
Dec. 31, 2021
USD ($)
project
Dec. 31, 2020
USD ($)
project
Dec. 31, 2019
USD ($)
Property, Plant and Equipment [Line Items]          
Energy assets, net [1]     $ 856,531 $ 729,378  
Cost of revenues     43,113 38,039 $ 35,543
Capitalized interest     $ 2,814 $ 4,341 2,966
Energy asset impairment charges $ 1,901 $ 1,028      
Number of ESPC asset projects | project     4 3  
Accrued expenses and other current liabilities     $ 35,918 $ 33,984  
Other liabilities     6,481 6,631  
Total contract liabilities     $ 42,399 $ 40,615  
Number of projects | project     1 1  
Purchase price     $ 3,461 $ 1,251  
Remaining deferred purchase consideration on previously closed projects     $ 303 1,446  
Number of projects to be acquired | project     8    
Consideration to be transferred     $ 10,242    
ARO assets, net     1,939 1,468  
ARO liabilities, current     6 86  
ARO liabilities, non-current     2,342 1,561  
Asset retirement obligation     2,348 1,647  
Depreciation expense of ARO assets     3,143 3,317 2,987
Accretion expense of ARO liabilities     123 93 44
Asset Retirement Obligation (ARO) Asset          
Property, Plant and Equipment [Line Items]          
Depreciation expense of ARO assets     113 78 $ 45
Energy Project          
Property, Plant and Equipment [Line Items]          
Payments to acquire assets       1,031  
Asset acquisition, note payable       204  
Asset acquisition, rollover equity       16  
Renewal Energy Program          
Property, Plant and Equipment [Line Items]          
Energy assets     1,120,712 954,426  
Less: accumulated depreciation and amortization     (264,181) (225,048)  
Energy assets, net     856,531 729,378  
Other liabilities     12,827 10,794  
Total contract liabilities     13,072 11,023  
Renewal Energy Program | Accrued expenses and other current liabilities          
Property, Plant and Equipment [Line Items]          
Accrued expenses and other current liabilities     $ 245 $ 229  
[1] Includes restricted assets of consolidated variable interest entities (“VIEs”) of $124,454 as of December 31, 2021 and $162,198 as of December 31, 2020. Includes non-recourse liabilities of consolidated VIEs of $31,125 as of December 31, 2021 and $33,335 as of December 31, 2020. See Note 11.