EQUITY METHOD INVESTMENTS - Statements of Operations Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	May 31, 2018	May 31, 2017	May 31, 2018	May 31, 2017
OGC
Schedule Of Equity Method Investments [Line Items]
Total revenues	$ 34,123	$ 31,083	$ 69,083	$ 68,158
Total operating expenses	35,518	33,221	62,293	60,326
Net (loss) income	(1,396)	(139)	6,784	7,834
OCC
Schedule Of Equity Method Investments [Line Items]
Total revenues	2,070	2,004	4,559	4,057
Total operating expenses	1,958	1,836	4,099	4,309
Net (loss) income	$ (59)	$ 23	$ 121	$ (1,192)