Quarterly report pursuant to Section 13 or 15(d)

Pass-through Financing Obligations (Details)

v3.21.2
Pass-through Financing Obligations (Details) - USD ($)
$ in Millions
3 Months Ended
Sep. 30, 2021
Dec. 31, 2020
Property Subject to or Available for Operating Lease [Line Items]    
Customer agreement, initial term 22 years  
Solar energy systems, gross $ 707.0 $ 715.5
Depreciation on lease 138.0 $ 120.2
Lease termination 18.1  
Debt extinguishment expense $ (6.3)  
Minimum    
Property Subject to or Available for Operating Lease [Line Items]    
Solar energy systems, initial term 7 years  
Customer agreement, initial term 20 years  
Maximum    
Property Subject to or Available for Operating Lease [Line Items]    
Solar energy systems, initial term 22 years  
Customer agreement, initial term 25 years