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Investment in Unconsolidated Affiliates - Additional Information (Details) - USD ($)
$ in Millions
11 Months Ended 12 Months Ended
Dec. 01, 2016
Nov. 11, 2016
Sep. 20, 2016
Nov. 30, 2015
Nov. 30, 2017
Nov. 30, 2016
Schedule of Equity Method Investments [Line Items]            
Difference between partnership's investment unconsolidated affiliates and partnership's proportionate share of the equity method of investee's net assets         $ 136.4 $ 83.2
Difference over the life of the assets and accretion       $ 0.7 $ 4.1 $ 1.7
OpCo | Solar Gen 2            
Schedule of Equity Method Investments [Line Items]            
Percentage of ownership interest         49.00%  
OpCo | North Star            
Schedule of Equity Method Investments [Line Items]            
Percentage of ownership interest         49.00%  
OpCo | Lost Hills Blackwell Holdings            
Schedule of Equity Method Investments [Line Items]            
Percentage of ownership interest         49.00%  
OpCo | Henrietta Holdings            
Schedule of Equity Method Investments [Line Items]            
Percentage of ownership interest         49.00%  
Payment to acquire business     $ 134.0      
Payment to acquire equity method investment     $ 134.5      
OpCo | Stateline Holdings            
Schedule of Equity Method Investments [Line Items]            
Percentage of ownership interest   34.00%     34.00%  
Stateline Project | OpCo            
Schedule of Equity Method Investments [Line Items]            
Percentage of ownership interest         34.00%  
Stateline Project | OpCo | First Solar And First Solar Asset Management            
Schedule of Equity Method Investments [Line Items]            
Payment to acquire equity method investment   $ 329.5        
Investment after consideration of acquisition related costs $ 330.0