Investments in Unconsolidated Entities (Details 4) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Apr. 30, 2019	Apr. 30, 2018	Apr. 30, 2019	Apr. 30, 2018
Condensed Statements of Operations and Comprehensive Income:
Revenues	$ 178,388	$ 82,663	$ 331,617	$ 276,284
Cost of revenues	157,196	60,660	288,951	209,410
Other expenses	22,879	20,297	41,354	44,584
Total expenses	180,075	80,957	330,305	253,994
Gain on disposition of loans and REO	0	11,809	3,694	26,480
Income (loss) from operations	(1,687)	13,515	5,006	48,770
Other income	1,090	1,502	1,737	80,866
Income before income taxes	(597)	15,017	6,743	129,636
Income tax provision	(40)	151	225	349
Net income including earnings from noncontrolling interests	(557)	14,866	6,518	129,287
Less: (income) loss attributable to noncontrolling interest	31	(5,855)	(2,078)	(11,937)
Net income (loss) attributable to controlling interest	(526)	9,011	4,440	117,350
Income (loss) from unconsolidated entities	$ 4,419	$ 2,564	$ 10,559	$ 41,444