Quarterly report pursuant to Section 13 or 15(d)

Investment Funds and Equity Method Investments - Schedule of Variable Interest Entity Financial Information (Details)

v3.21.2
Investment Funds and Equity Method Investments - Schedule of Variable Interest Entity Financial Information (Details) - USD ($)
$ in Thousands
Jun. 30, 2021
Dec. 31, 2020
Variable Interest Entity [Line Items]    
Variable interest entities, current assets [1] $ 483,836 $ 490,715
Total assets [1] 1,938,690 1,754,115
Variable interest entities, current liabilities [1] 345,815 383,097
Variable Interest Entity, Primary Beneficiary    
Variable Interest Entity [Line Items]    
Variable interest entities, current assets 8,891 10,935
Total assets 155,878 162,198
Variable interest entities, current liabilities 3,015 3,758
Total VIE liabilities 32,318 33,335
Cash and cash equivalents | Variable Interest Entity, Primary Beneficiary    
Variable Interest Entity [Line Items]    
Variable interest entities, current assets 5,351 5,828
Restricted cash | Variable Interest Entity, Primary Beneficiary    
Variable Interest Entity [Line Items]    
Variable interest entities, current assets 373 3,185
Accounts receivable, net | Variable Interest Entity, Primary Beneficiary    
Variable Interest Entity [Line Items]    
Variable interest entities, current assets 817 834
Costs and estimated earnings in excess of billings | Variable Interest Entity, Primary Beneficiary    
Variable Interest Entity [Line Items]    
Variable interest entities, current assets 2,286 968
Prepaid expenses and other current assets | Variable Interest Entity, Primary Beneficiary    
Variable Interest Entity [Line Items]    
Variable interest entities, current assets 64 120
Property and equipment, net | Variable Interest Entity, Primary Beneficiary    
Variable Interest Entity [Line Items]    
Variable interest entities, noncurrent assets 1,266 1,266
Energy assets, net | Variable Interest Entity, Primary Beneficiary    
Variable Interest Entity [Line Items]    
Variable interest entities, noncurrent assets 138,858 143,133
Operating lease assets | Variable Interest Entity, Primary Beneficiary    
Variable Interest Entity [Line Items]    
Variable interest entities, noncurrent assets 6,363 6,439
Restricted cash, non-current portion | Variable Interest Entity, Primary Beneficiary    
Variable Interest Entity [Line Items]    
Variable interest entities, noncurrent assets 383 331
Other assets | Variable Interest Entity, Primary Beneficiary    
Variable Interest Entity [Line Items]    
Variable interest entities, noncurrent assets 117 94
Current portions of long-term debt and financing lease liabilities | Variable Interest Entity, Primary Beneficiary    
Variable Interest Entity [Line Items]    
Variable interest entities, current liabilities 2,221 2,230
Accounts payable | Variable Interest Entity, Primary Beneficiary    
Variable Interest Entity [Line Items]    
Variable interest entities, current liabilities 179 311
Accrued expenses and other current liabilities | Variable Interest Entity, Primary Beneficiary    
Variable Interest Entity [Line Items]    
Variable interest entities, current liabilities 482 1,092
Current portions of operating lease liabilities | Variable Interest Entity, Primary Beneficiary    
Variable Interest Entity [Line Items]    
Variable interest entities, current liabilities 133 125
Long-term debt and financing lease liabilities, net of current portion, unamortized discount and debt issuance costs | Variable Interest Entity, Primary Beneficiary    
Variable Interest Entity [Line Items]    
Variable interest entities, noncurrent liabilities 22,261 22,822
Long-term operating lease liabilities, net of current portion | Variable Interest Entity, Primary Beneficiary    
Variable Interest Entity [Line Items]    
Variable interest entities, noncurrent liabilities 6,184 6,220
Other liabilities | Variable Interest Entity, Primary Beneficiary    
Variable Interest Entity [Line Items]    
Variable interest entities, noncurrent liabilities $ 858 $ 535
[1] Includes restricted assets of consolidated variable interest entities (“VIEs”) at June 30, 2021 and December 31, 2020 of $155,878 and $162,198, respectively. Includes non-recourse liabilities of consolidated VIEs at June 30, 2021 and December 31, 2020 of $32,318 and $33,335, respectively. See Note 12.