Quarterly report pursuant to Section 13 or 15(d)

Lease Pass-Through Financing Obligations - Additional Information (Details)

v3.4.0.3
Lease Pass-Through Financing Obligations - Additional Information (Details) - USD ($)
$ in Thousands
1 Months Ended 3 Months Ended
Jul. 31, 2015
Mar. 31, 2016
Mar. 31, 2015
Dec. 31, 2015
Sep. 30, 2015
Property Subject To Or Available For Operating Lease [Line Items]          
Initial lease term   20 years      
Solar energy systems, gross   $ 2,271,242   $ 2,091,585  
Depreciation on lease   232,939   212,671  
Repayment of lease obligations   3,115 $ 602    
Maximum percentage to defer a portion of upfront payments         25.00%
Aggregate amount of term loan agreement         $ 25,000
Loan amount   24,400   21,800  
Asset Backed Securities          
Property Subject To Or Available For Operating Lease [Line Items]          
Solar energy systems, gross   119,700      
Repayment of lease obligations $ 88,900 88,900      
Solar Energy Systems Under Lease Pass-through Fund Arrangements [Member]          
Property Subject To Or Available For Operating Lease [Line Items]          
Solar energy systems, gross   484,700   447,400  
Depreciation on lease   $ 37,700   $ 33,500  
Solar Energy Systems Under Lease Pass-through Fund Arrangements [Member] | Minimum          
Property Subject To Or Available For Operating Lease [Line Items]          
Initial lease term   20 years      
Solar Energy Systems Under Lease Pass-through Fund Arrangements [Member] | Maximum          
Property Subject To Or Available For Operating Lease [Line Items]          
Initial lease term   25 years