Description of Business - Additional Information (Details) $ / shares in Units, $ in Billions	3 Months Ended	12 Months Ended	24 Months Ended
	Feb. 28, 2018	Nov. 30, 2017	Nov. 30, 2017 acquisition	Feb. 05, 2018 USD ($) $ / shares
Description Of Business And Basis Of Presentation [Line Items]
Ownership percentage		35.50%
OpCo | Henrietta Project
Description Of Business And Basis Of Presentation [Line Items]
Economic interest in entities	49.00%
OpCo | Stateline
Description Of Business And Basis Of Presentation [Line Items]
Economic interest in entities	34.00%
OpCo | SunPower
Description Of Business And Basis Of Presentation [Line Items]
Contribution of interest in entities	100.00%
OpCo | Maryland Solar
Description Of Business And Basis Of Presentation [Line Items]
Contribution of interest in entities	100.00%
OpCo | Solar Gen 2
Description Of Business And Basis Of Presentation [Line Items]
Economic interest in entities	49.00%
OpCo | Lost Hills Blackwell
Description Of Business And Basis Of Presentation [Line Items]
Economic interest in entities	49.00%
OpCo | North Star
Description Of Business And Basis Of Presentation [Line Items]
Economic interest in entities	49.00%
First Solar
Description Of Business And Basis Of Presentation [Line Items]
Number of businesses acquired			2
Sponsors
Description Of Business And Basis Of Presentation [Line Items]
Number of businesses acquired			6
Capital Dynamics | 8point3 OpCo Holdings, LLC
Description Of Business And Basis Of Presentation [Line Items]
Issued and outstanding membership interests acquired				100.00%
Conversion price per share (in usd per share) | $ / shares				$ 12.35
Capital Dynamics | OpCo
Description Of Business And Basis Of Presentation [Line Items]
Special distribution to members of OpCo | $				$ 1.1
SunPower
Description Of Business And Basis Of Presentation [Line Items]
Number of businesses acquired			4
Op Co | OpCo
Description Of Business And Basis Of Presentation [Line Items]
Ownership percentage	35.50%
Noncontrolling Interest | Sponsors
Description Of Business And Basis Of Presentation [Line Items]
Ownership percentage	64.50%	64.50%