Lease Agreements and Power Purchase Agreements - Schedule of Firm Sales under SREC Sales Agreement (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		May 31, 2017	May 31, 2016	May 31, 2017	May 31, 2016
Sale Agreement [Line Items]
SREC sales, Total	[1]	$ 16,678	$ 13,517	$ 26,575	$ 20,619
SREC Sales Agreement
Sale Agreement [Line Items]
SREC sales, 2017 (remaining six months)				586
SREC sales, 2018				781
SREC sales, 2019				781
SREC sales, 2020				781
SREC sales, 2021				195
SREC sales, thereafter				0
SREC sales, Total				$ 3,124

[1] The Partnership has related-party activities for transactions made with the Sponsors. Related party transactions recorded within “Operating revenues” in the unaudited condensed consolidated statement of operations were $1.3 million for each of the three months ended May 31, 2017 and May 31, 2016, and $2.6 million for each of the six months ended May 31, 2017 and May 31, 2016. Related party transactions recorded within “Operating costs and expenses” in the unaudited condensed consolidated statement of operations were $2.2 million and $1.7 million for the three months ended May 31, 2017 and May 31, 2016, respectively, and $4.2 million and $3.1 million for the six months ended May 31, 2017 and May 31, 2016, respectively.