Shareholder's Equity - Additional Information (Details) - USD ($) $ / shares in Units, $ in Thousands																	3 Months Ended				5 Months Ended	6 Months Ended	12 Months Ended
	Jan. 12, 2018	Dec. 20, 2017	Oct. 13, 2017	Jul. 14, 2017	Apr. 14, 2017	Jan. 30, 2017	Jan. 13, 2017	Oct. 14, 2016	Sep. 28, 2016	Jul. 15, 2016	Apr. 14, 2016	Jan. 14, 2016	Nov. 30, 2015	Oct. 15, 2015	Jun. 24, 2015	Jun. 18, 2015	Aug. 31, 2017	May 31, 2017	Feb. 28, 2017	Nov. 30, 2015	Nov. 30, 2015	Jun. 24, 2015	Nov. 30, 2017	Nov. 30, 2016	Jul. 19, 2015	Dec. 28, 2014
Class of Stock [Line Items]
Partnership interest													28.20%
Period of highest cash price after notice to acquire all shares is served (in days)																							90 days
Minimum quarterly distribution other than liquidating																							150.00%
Distributions to SunPower																						$ 3,163
OpCo
Class of Stock [Line Items]
Purchase of common stock									8,050,000
OpCo | Henrietta Project
Class of Stock [Line Items]
Economic interest in entities									49.00%														49.00%
IPO
Class of Stock [Line Items]
Partners' capital number of capital units purchased															20,000,000							20,000,000
Partners capital cash distributions to general purposes															$ 37,800							$ 37,800
First Solar | IPO
Class of Stock [Line Items]
Distributions to SunPower															154,400
SunPower | IPO
Class of Stock [Line Items]
Distributions to SunPower															$ 201,600
Sponsors | Op Co
Class of Stock [Line Items]
Partnership interest													71.80%										64.50%
OpCo | Op Co
Class of Stock [Line Items]
Partnership interest																							35.50%
Minimum
Class of Stock [Line Items]
Period of notice to be served to acquire all shares (in days)																							10 days
Maximum
Class of Stock [Line Items]
Period of notice to be served to acquire all shares (in days)																							60 days
Class A Shares
Class of Stock [Line Items]
New issuance of shares									8,050,000
Shares issued price per share (in dollars per share)									$ 14.65
Payments for underwriting discount									$ 3,500
Partnership shares, issued													20,007,281							20,007,281	20,007,281		28,088,673.000	28,072,680		0
Proceeds from public offering, gross									117,900
Associated expense									1,100
Underwriting discount and associated expenses deducted from the gross proceeds									4,600
Proceeds from public offering, net									$ 113,300
Cash distribution payment to Partnership					$ 20,300					$ 4,700	$ 4,500	$ 4,300		$ 3,100
Cash distribution payment to Partnership (in dollars per share)										$ 0.2325	$ 0.2246			$ 0.157			$ 0.2721	$ 0.2642	$ 0.2565
Class A Shares | IPO
Class of Stock [Line Items]
New issuance of shares															20,000,000
Shares issued price per share (in dollars per share)															$ 21.00							$ 21.00
Proceeds from issuance of shares															$ 420,000
Payments for underwriting discount															23,100
Structuring fee															3,200
Payments of stock issuance costs															26,300
Period to purchase additional shares (in days)																30 days
Additional shares authorized to underwriters																3,000,000
Proceeds from issuance of common limited partners units															$ 393,800
Class A Shares | OpCo
Class of Stock [Line Items]
Cash distribution payment to Partnership			$ 21,500	$ 20,900			$ 19,700	$ 19,000
Cash distribution payment to Partnership (in dollars per share)							$ 0.2490	$ 0.2406						$ 0.2097						$ 0.217	$ 0.8388
Class A Shares | Minimum
Class of Stock [Line Items]
Partnership interest																							80.00%
Class B Shares
Class of Stock [Line Items]
Partnership shares, issued													51,000,000							51,000,000	51,000,000		51,000,000	51,000,000		0
Partnership shares, outstanding													51,000,000							51,000,000	51,000,000
Class B Shares | First Solar
Class of Stock [Line Items]
Partnership shares, outstanding													22,116,925							22,116,925	22,116,925		22,116,925
Class B Shares | First Solar | IPO
Class of Stock [Line Items]
Partnership shares, issued																									1,300,995
Class B Shares | SunPower
Class of Stock [Line Items]
Partnership shares, outstanding													28,883,075							28,883,075	28,883,075		28,883,075
Class B Shares | SunPower | IPO
Class of Stock [Line Items]
Partnership shares, issued																									1,699,005
Class B Shares | Minimum
Class of Stock [Line Items]
Partnership interest																							80.00%
ATM Program | Class A Shares
Class of Stock [Line Items]
Proceeds from issuance of common limited partners units						$ 125,000
Subsequent Event | Class A Shares | OpCo
Class of Stock [Line Items]
Cash distribution payment to Partnership	$ 22,200
Common stock dividends declared (in dollars per share)		$ 0.2802