Annual report pursuant to Section 13 and 15(d)

Leases - Supplemental Balance Sheet Information Related to Leases (Details)

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Leases - Supplemental Balance Sheet Information Related to Leases (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Operating Leases    
Operating lease assets [1] $ 39,151 $ 32,791
Current portion of operating lease liabilities [1] 6,106 5,802
Long-term operating lease liabilities, net of current portion [1] 35,300 29,101
Total Operating lease liabilities $ 41,406 $ 34,903
Operating lease, weighted-average remaining lease term (in years) 12 years 11 years
Operating lease, weighted-average discount rate (as a percent) 5.90% 6.30%
Financing Leases:    
Energy assets, net $ 34,005 $ 36,134
Current portions of financing lease liabilities 4,273 4,997
Long-term financing lease liabilities, net of current portion, unamortized discount and debt issuance costs 19,227 23,500
Total financing lease liabilities $ 23,500 $ 28,497
Finance Lease, weighted-average remaining lease term (in years) 16 years 17 years
Financing lease, weighted-average discount rate (percent) 11.94% 11.80%
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List] us-gaap:AssetsAbstract us-gaap:AssetsAbstract
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List] us-gaap:LongTermDebtAndCapitalLeaseObligations us-gaap:LongTermDebtAndCapitalLeaseObligations
[1] Includes restricted assets of consolidated variable interest entities (“VIEs”) of $162,198 as of December 31, 2020 and $158,912 as of December 31, 2019. Includes non-recourse liabilities of consolidated VIEs of $33,335 as of December 31, 2020 and $38,568 as of December 31, 2019. See Note 11.