Net Income Per Share - Summary of Net Income Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Feb. 28, 2017	Feb. 29, 2016
Basic net income per share:
Net income attributable to Class A shareholders	$ 861	$ 5,308
Basic weighted-average shares	28,073,000	20,007,000
Basic net income per share	$ 0.03	$ 0.27
Diluted net income per share:
Net income attributable to Class A shareholders	$ 861	$ 5,308
Basic weighted-average shares	28,073,000	20,007,000
Effect of dilutive securities:
Potentially dilutive securities include in the computation of diluted shares	0	0
Diluted weighted-average shares	43,573,000	35,507,000
Diluted net income per share	$ 0.03	$ 0.27
Class A shares
Basic net income per share:
Net income attributable to Class A shareholders	$ 861	$ 5,308
Diluted net income per share:
Net income attributable to Class A shareholders	861	5,308
Add: Additional net income attributable to Class A shares due to increased percentage ownership in OpCo, net of tax, from the conversion of Class B shares	514	4,112
Total	$ 1,375	$ 9,420
Class B shares
Effect of dilutive securities:
Potentially dilutive securities include in the computation of diluted shares	15,500,000	15,500,000