Investments in Unconsolidated Entities (Details 4) - USD ($) $ in Thousands	Oct. 31, 2018	Oct. 31, 2017
Condensed Balance Sheets:
Cash and cash equivalents	$ 102,462	$ 153,828
Inventory	973,990	1,148,209
Loans receivable, net	40,065	22,495
Rental properties	808,785	970,497
Rental properties under development	437,586	190,541
Real estate owned	14,838	53,902
Other assets	166,029	156,618
Total assets	2,543,755	2,696,090
Debt	1,145,998	1,199,583
Other liabilities	158,570	135,292
Members' equity	1,235,974	1,332,285
Noncontrolling interest	3,213	28,930
Total liabilities and equity	2,543,755	2,696,090
Investments in unconsolidated entities	431,813	481,758
Land Development Joint Ventures [Member]
Condensed Balance Sheets:
Cash and cash equivalents	47,409	77,667
Inventory	403,670	629,159
Rental properties
Rental properties under development
Real estate owned
Other assets	93,322	96,725
Total assets	544,401	803,551
Debt	125,557	223,035
Other liabilities	29,096	37,832
Members' equity	389,748	542,684
Noncontrolling interest
Total liabilities and equity	544,401	803,551
Investments in unconsolidated entities	176,593	236,062
Home Building Joint Ventures, Total [Member]
Condensed Balance Sheets:
Cash and cash equivalents	22,834	38,600
Inventory	557,157	503,131
Rental properties
Rental properties under development
Real estate owned
Other assets	49,723	31,794
Total assets	629,714	573,525
Debt	284,959	173,285
Other liabilities	72,897	51,017
Members' equity	271,858	349,223
Noncontrolling interest
Total liabilities and equity	629,714	573,525
Investments in unconsolidated entities	65,936	102,191
Rental Property Joint Ventures, including Trust I [Member]
Condensed Balance Sheets:
Cash and cash equivalents	23,750	24,367
Inventory
Rental properties	808,785	970,497
Rental properties under development	437,586	190,541
Real estate owned
Other assets	21,917	26,637
Total assets	1,292,038	1,212,042
Debt	735,482	803,263
Other liabilities	51,992	40,610
Members' equity	504,564	368,169
Noncontrolling interest
Total liabilities and equity	1,292,038	1,212,042
Investments in unconsolidated entities	171,216	127,439
Gibraltar Joint Ventures [Member]
Condensed Balance Sheets:
Cash and cash equivalents	8,469	13,194
Inventory	13,163	15,919
Loans receivable, net	40,065	22,495
Rental properties
Rental properties under development
Real estate owned	14,838	53,902
Other assets	1,067	1,462
Total assets	77,602	106,972
Debt	0	0
Other liabilities	4,585	5,833
Members' equity	69,804	72,209
Noncontrolling interest	3,213	28,930
Total liabilities and equity	77,602	106,972
Investments in unconsolidated entities	$ 18,068	$ 16,066