Related Parties - Additional Information (Details)	1 Months Ended	3 Months Ended
	Aug. 31, 2015 USD ($)	Feb. 28, 2018 USD ($) MW	Feb. 28, 2017 USD ($)	Nov. 30, 2017 USD ($)	Dec. 01, 2016 USD ($)	Nov. 25, 2015 USD ($)
Related Party Transaction [Line Items]
Power purchase agreement period (in years)		5 years
MW(ac) | MW		946
Annual revenue		$ 10,869,000	$ 9,897,000
Property and equipment, net		706,277,000		$ 713,284,000
First Solar MSA
Related Party Transaction [Line Items]
Annual management fee	$ 600,000
SunPower MSA
Related Party Transaction [Line Items]
Annual management fee	$ 1,100,000
Service Provider
Related Party Transaction [Line Items]
Management fee expense		$ 400,000	400,000
Affiliated Entity
Related Party Transaction [Line Items]
Period of warranty for power and product		25 years
Affiliated Entity | Minimum
Related Party Transaction [Line Items]
Period of warranty for materials, construction, fabrication and workmanship		1 year
Affiliated Entity | Maximum
Related Party Transaction [Line Items]
Period of warranty for materials, construction, fabrication and workmanship		10 years
Leased Solar Energy Systems
Related Party Transaction [Line Items]
Cost of operations-SunPower, prior to IPO		$ 1,800,000	1,500,000
Other income		900,000	100,000
OpCo
Related Party Transaction [Line Items]
Cash received as indemnity		$ 0	$ 100,000.0
Promissory note issued						$ 2,000,000.0
OpCo | Boulder Solar Generation Project [Member]
Related Party Transaction [Line Items]
MW(ac) | MW		100
Maryland Solar
Related Party Transaction [Line Items]
Annual revenue		$ 8,000,000
Property and equipment, net		$ 51,000,000
OpCo | Maximum
Related Party Transaction [Line Items]
Subordinated indebtedness					$ 50,000,000.0