Schedule III-Real Estate and Accumulated Depreciation - Rollforward (Details) - USD ($) $ in Thousands	12 Months Ended
	Nov. 30, 2016	Nov. 30, 2015	Nov. 30, 2014
Cost
Balance at beginning of year	$ 247,239	$ 209,284	$ 192,268
Changes during the year:
Additions to real estate assets	15,702	30,556	16,680
Reclassification to real estate held for sale	(2,129)	(7,916)	(9,236)
Writeoff of fully depreciated assets	(1,751)	(517)	(1,913)
Reclassification to real estate assets from property and equipment			11,485
Balance at end of year	259,061	247,239	209,284
Reserve
Balance at beginning of year	(80,784)	(74,762)	(61,078)
Changes during the year:
Additions to reserve charged to costs and expenses	(7,768)	(6,539)	(5,747)
Writeoff of fully depreciated assets	1,751	517	1,913
Reclassification of real estate assets from property and equipment			(9,850)
Balance at end of year	$ (86,801)	$ (80,784)	$ (74,762)