EQUITY METHOD INVESTMENTS - Statements of Operations Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Feb. 28, 2019	Feb. 28, 2018
OGC
Schedule Of Equity Method Investments [Line Items]
Total revenues	$ 33,466	$ 34,960
Total operating expenses	25,487	26,775
Net income (loss)	7,972	8,180
OCC
Schedule Of Equity Method Investments [Line Items]
Total revenues	2,266	2,489
Total operating expenses	2,973	2,141
Net income (loss)	$ (707)	$ 180