Rialto Segment (Changes In Real Estate Owned) (Details) - Rialto - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Aug. 31, 2016	Aug. 31, 2015	Aug. 31, 2016	Aug. 31, 2015
Real Estate Owned Held-For-Sale [Roll Forward]
REO - held-for-sale, beginning of period	$ 180,547	$ 195,386	$ 183,052	$ 190,535
Improvements	575	1,023	2,170	4,318
Sales	(18,889)	(26,575)	(52,840)	(74,713)
Impairments and unrealized losses	(6,669)	(3,127)	(15,016)	(7,499)
Transfers from held-and-used, net	14,960	19,031	53,158	73,097
REO - held-for-sale, end of period	170,524	185,738	170,524	185,738
REO Held And Used [Roll Forward]
REO - held-and-used, net, beginning of period	125,406	213,748	153,717	255,795
Additions	1,013	1,367	12,316	15,710
Improvements	706	309	828	1,737
Impairments	(23)	(7)	(826)	(1,420)
Depreciation	(523)	(520)	(1,258)	(1,895)
Transfers to held-for-sale	(14,960)	(19,031)	(53,158)	(73,097)
Other	0	0	0	(964)
REO - held-and-used, net, end of period	$ 111,619	$ 195,866	$ 111,619	$ 195,866