Condensed Consolidated Statements of Redeemable Noncontrolling Interests and Equity - USD ($) $ in Thousands	Total	Redeemable Noncontrolling Interest	Accumulated Earnings	Total Shareholders Equity	Noncontrolling Interest	Class A shares	Class B shares
Beginning balance at Nov. 30, 2016		$ 17,624
Increase (Decrease) in Temporary Equity [Roll Forward]
Cash and accrued distributions to noncontrolling interests - tax equity investors	$ (5,828)	(3,561)			$ (5,828)
Net income		3,283
Ending balance at Nov. 30, 2017	17,346	17,346
Beginning balance at Nov. 30, 2016	861,909		$ 22,440	$ 271,578	590,331	$ 249,138	$ 0
Beginning balance, shares at Nov. 30, 2016						28,072,680	51,000,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Noncontrolling interests obtained through acquisition	1,736				1,736
Share-based compensation	225			225		$ 225
Contributions from tax equity investors	28,388				28,388
Share-based compensation, shares						15,993
Cash distributions to Class A shareholders	(29,252)		(29,252)	(29,252)
Cash distributions to Sponsors as OpCo unitholders	(53,132)				(53,132)
Net income	35,962		11,407	11,407	24,555
Ending balance at Nov. 30, 2017	840,008		4,595	253,958	586,050	$ 249,363	$ 0
Ending balance, shares at Nov. 30, 2017						28,088,673.000	51,000,000
Increase (Decrease) in Temporary Equity [Roll Forward]
Cash and accrued distributions to noncontrolling interests - tax equity investors	(864)	(890)			(864)
Net income		890
Ending balance at Feb. 28, 2018	17,346	$ 17,346
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation	56			56		$ 56
Share-based compensation, shares						4,632
Cash distributions to Class A shareholders	(7,871)		(7,871)	(7,871)
Cash distributions to Sponsors as OpCo unitholders	(14,290)				(14,290)
Net income	5,854		9,947	9,947	(4,093)
Ending balance at Feb. 28, 2018	$ 822,893		$ 6,671	$ 256,090	$ 566,803	$ 249,419	$ 0
Ending balance, shares at Feb. 28, 2018						28,093,305.000	51,000,000