Subsequent Events - Additional Information (Details) $ / shares in Units, $ in Millions			3 Months Ended	6 Months Ended
	Jun. 29, 2016 USD ($) MW	Jun. 28, 2016 MW	May 31, 2016 $ / shares MW	May 31, 2016 MW
Subsequent Event [Line Items]
MW(ac)			525	525
Subsequent Event | Macy's Maryland Acquisition
Subsequent Event [Line Items]
MW(ac)	5
Payment to acquire business | $	$ 12.0
Percentage of purchase price funded	100.00%
Subsequent Event | First Solar ROFO Agreement
Subsequent Event [Line Items]
Period of first offer to purchase certain solar energy		5 years
Subsequent Event | First Solar ROFO Agreement | Moapa Solar Generation Project
Subsequent Event [Line Items]
MW(ac)		250
Subsequent Event | First Solar ROFO Agreement | California Flats
Subsequent Event [Line Items]
MW(ac)		130
Subsequent Event | First Solar ROFO Agreement | California Flats Facilities in Monterey, California
Subsequent Event [Line Items]
MW(ac)		150
Class A shares
Subsequent Event [Line Items]
Distribution made to limited partner, Distributions declared | $ / shares			$ 0.2325
Cash distribution payment date				Jul. 15, 2016
Cash distribution date of record				Jul. 05, 2016