Investments in Unconsolidated Entities (Details 4) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Apr. 30, 2016	Apr. 30, 2015	Apr. 30, 2016	Apr. 30, 2015
Condensed Statements of Operations:
Revenues	$ 123,531	$ 40,237	$ 166,018	$ 86,306
Cost of revenues	66,979	27,662	102,492	63,549
Other expenses	9,065	6,175	18,375	12,699
Total expenses	76,044	33,837	120,867	76,248
Gain on disposition of loans and REO	8,706	15,955	34,689	23,586
Income (loss) from operations	56,193	22,355	79,840	33,644
Other income	1,346	1,047	2,351	1,707
Net income (loss)	57,539	23,402	82,191	35,351
Less: income attributable to noncontrolling interest	(3,413)	(9,454)	(15,023)	(11,077)
Net income (loss) attributable to controlling interest	54,126	13,948	67,168	24,274
Other comprehensive income (loss)	13	(23)	100	(45)
Total comprehensive income (loss)	54,139	13,925	67,268	24,229
Income (loss) from unconsolidated entities	$ 9,118	$ 6,227	$ 17,756	$ 11,128