Investments in Unconsolidated Entities (Details 4) - USD ($) $ in Thousands	Oct. 31, 2017	Oct. 31, 2016
Condensed Balance Sheets:
Cash and cash equivalents	$ 153,828	$ 130,794
Inventory	1,148,209	1,074,888
Equity Method Investment, Summarized Financial Information, Loans Receivable, Net	22,495
Rental properties	970,497	621,615
Rental properties under development	190,541	302,632
Real estate owned	53,902	87,226
Other assets	156,618	180,103
Total assets	2,696,090	2,397,258
Debt	1,199,583	1,164,883
Other liabilities	135,292	152,881
Members' equity	1,332,285	980,354
Noncontrolling interest	28,930	99,140
Total liabilities and equity	2,696,090	2,397,258
Investments in unconsolidated entities	481,758	496,411
Land Development Joint Ventures [Member]
Condensed Balance Sheets:
Cash and cash equivalents	77,667	38,466
Inventory	629,159	719,732
Rental properties
Rental properties under development
Real estate owned
Other assets	96,725	76,518
Total assets	803,551	834,716
Debt	223,035	394,813
Other liabilities	37,832	38,769
Members' equity	542,684	401,134
Noncontrolling interest
Total liabilities and equity	803,551	834,716
Investments in unconsolidated entities	236,062	223,483
Home Building Joint Ventures, Total [Member]
Condensed Balance Sheets:
Cash and cash equivalents	38,600	12,820
Inventory	503,131	345,588
Rental properties
Rental properties under development
Real estate owned
Other assets	31,794	82,794
Total assets	573,525	441,202
Debt	173,285	110,879
Other liabilities	51,017	75,419
Members' equity	349,223	254,904
Noncontrolling interest
Total liabilities and equity	573,525	441,202
Investments in unconsolidated entities	102,191	98,754
Rental Property Joint Ventures, including Trust I [Member]
Condensed Balance Sheets:
Cash and cash equivalents	24,367	29,103
Inventory
Rental properties	970,497	621,615
Rental properties under development	190,541	302,632
Real estate owned
Other assets	26,637	14,574
Total assets	1,212,042	967,924
Debt	803,263	659,191
Other liabilities	40,610	35,303
Members' equity	368,169	273,430
Noncontrolling interest
Total liabilities and equity	1,212,042	967,924
Investments in unconsolidated entities	127,439	153,640
Gibraltar Joint Ventures [Member]
Condensed Balance Sheets:
Cash and cash equivalents	13,194	50,405
Inventory	15,919	9,568
Equity Method Investment, Summarized Financial Information, Loans Receivable, Net	22,495
Rental properties
Rental properties under development
Real estate owned	53,902	87,226
Other assets	1,462	6,217
Total assets	106,972	153,416
Debt	0	0
Other liabilities	5,833	3,390
Members' equity	72,209	50,886
Noncontrolling interest	28,930	99,140
Total liabilities and equity	106,972	153,416
Investments in unconsolidated entities	$ 16,066	$ 20,534