Investments - JCP Fund V - Narrative (Details) - JCP Fund V - USD ($) $ in Millions	12 Months Ended
	Nov. 30, 2019	Nov. 30, 2018
Schedule of Equity Method Investments [Line Items]
Investment amount	$ 20.6	$ 31.9
Unfunded portion of equity commitment to subsidiary	$ 9.4	9.7
Percent of financial information presented	100.00%
Ownership percentage	32.60%
Maximum
Schedule of Equity Method Investments [Line Items]
Total committed equity capitalization	$ 85.0	$ 85.0