Investments in Unconsolidated Entities (Details 4) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jul. 31, 2019	Jul. 31, 2018	Jul. 31, 2019	Jul. 31, 2018
Condensed Statements of Operations and Comprehensive Income:
Revenues	$ 179,608	$ 117,239	$ 511,226	$ 393,522
Cost of revenues	154,787	93,799	443,740	303,209
Other expenses	22,674	19,880	64,027	64,462
Total expenses	177,461	113,679	507,767	367,671
Gain on disposition of loans and REO	689	25,964	4,383	52,444
Income (loss) from operations	2,836	29,524	7,842	78,295
Other income	29,846	25,275	31,584	106,141
Income before income taxes	32,682	54,799	39,426	184,436
Income tax provision	201	238	596	587
Net income including earnings from noncontrolling interests	32,481	54,561	38,830	183,849
Less: (income) loss attributable to noncontrolling interest	(7,521)	(16,079)	(9,600)	(28,017)
Net income (loss) attributable to controlling interest	24,960	38,482	29,230	155,832
Income (loss) from unconsolidated entities	$ 7,200	$ 12,469	$ 17,759	$ 53,913