Schedule III-Real Estate and Accumulated Depreciation - Rollforward (Details) - USD ($) $ in Thousands	12 Months Ended
	Nov. 30, 2019	Nov. 30, 2018	Nov. 30, 2017
Cost
Balance at beginning of year	$ 318,625	$ 291,852	$ 259,061
Changes during the year:
Additions to real estate assets	39,735	27,559	35,036
Reclassification to real estate held for sale	(11,307)	500	(2,047)
Writeoff of fully depreciated assets	(304)	(286)	(198)
Balance at end of year	343,649	318,625	291,852
Reserve
Balance at beginning of year	(105,004)	(95,112)	(86,801)
Changes during the year:
Additions to reserve charged to costs and expenses	(10,416)	(9,853)	(8,831)
Reclassification to real estate held for sale	10,081	(325)	322
Writeoff of fully depreciated assets	304	286	198
Balance at end of year	$ (105,035)	$ (105,004)	$ (95,112)