Quarterly report pursuant to Section 13 or 15(d)

Investment Funds and Other Variable Interest Entities - Schedule of Variable Interest Entity Financial Information (Details)

v3.20.1
Investment Funds and Other Variable Interest Entities - Schedule of Variable Interest Entity Financial Information (Details) - USD ($)
$ in Thousands
Mar. 31, 2020
Dec. 31, 2019
Variable Interest Entity [Line Items]    
Variable interest entities, current assets [1] $ 438,092 $ 425,192
Total assets [1] 1,413,583 1,374,013
Variable interest entities, current liabilities [1] 316,079 336,647
Variable Interest Entity, Primary Beneficiary    
Variable Interest Entity [Line Items]    
Variable interest entities, current assets 8,272 7,017
Total assets 163,019 158,912
Variable interest entities, current liabilities 6,633 6,563
Total VIE liabilities 38,024 38,568
Cash and cash equivalents | Variable Interest Entity, Primary Beneficiary    
Variable Interest Entity [Line Items]    
Variable interest entities, current assets 5,789 4,666
Restricted cash | Variable Interest Entity, Primary Beneficiary    
Variable Interest Entity [Line Items]    
Variable interest entities, current assets 586 586
Accounts receivable, net | Variable Interest Entity, Primary Beneficiary    
Variable Interest Entity [Line Items]    
Variable interest entities, current assets 462 532
Costs and estimated earnings in excess of billings | Variable Interest Entity, Primary Beneficiary    
Variable Interest Entity [Line Items]    
Variable interest entities, current assets 1,355 1,125
Prepaid expenses and other current assets | Variable Interest Entity, Primary Beneficiary    
Variable Interest Entity [Line Items]    
Variable interest entities, current assets 80 108
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 145,410 142,456
Operating lease assets | Variable Interest Entity, Primary Beneficiary    
Variable Interest Entity [Line Items]    
Variable interest entities, noncurrent assets 6,411 6,511
Other assets | Variable Interest Entity, Primary Beneficiary    
Variable Interest Entity [Line Items]    
Variable interest entities, noncurrent assets 1,660 1,662
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 2,234 2,252
Accounts payable | Variable Interest Entity, Primary Beneficiary    
Variable Interest Entity [Line Items]    
Variable interest entities, current liabilities 2,670 2,006
Accrued expenses and other current liabilities | Variable Interest Entity, Primary Beneficiary    
Variable Interest Entity [Line Items]    
Variable interest entities, current liabilities 1,623 2,203
Current portions of operating lease liabilities | Variable Interest Entity, Primary Beneficiary    
Variable Interest Entity [Line Items]    
Variable interest entities, current liabilities 106 102
Long-term debt and financing lease liabilities, less current portions and net of deferred financing fees | Variable Interest Entity, Primary Beneficiary    
Variable Interest Entity [Line Items]    
Variable interest entities, noncurrent liabilities 24,214 24,654
Long-term portions of operating lease liabilities | Variable Interest Entity, Primary Beneficiary    
Variable Interest Entity [Line Items]    
Variable interest entities, noncurrent liabilities 6,173 6,180
Other liabilities | Variable Interest Entity, Primary Beneficiary    
Variable Interest Entity [Line Items]    
Variable interest entities, noncurrent liabilities $ 1,004 $ 1,171
[1] Includes restricted assets of consolidated variable interest entities (“VIEs”) at March 31, 2020 and December 31, 2019 of $163,019 and $158,912, respectively. Includes non-recourse liabilities of consolidated VIEs at March 31, 2020 and December 31, 2019 of $38,024 and $38,568, respectively. See Note 12.