Investments in Unconsolidated Entities Investments in Unconsolidated Entities (Details 1) $ in Thousands	Oct. 31, 2019 USD ($) joint_ventures	Oct. 31, 2018 USD ($)
Schedule of Investments [Line Items]
Number of Joint Ventures \| joint_ventures	41
Investments in unconsolidated entities \| $	$ 366,252	$ 431,813
Number of joint venture with funding commitments \| joint_ventures	6
Other Commitment \| $	$ 38,796
Land Development Joint Ventures [Member]
Schedule of Investments [Line Items]
Number of Joint Ventures \| joint_ventures	8
Investments in unconsolidated entities \| $	$ 110,306	176,593
Number of joint venture with funding commitments \| joint_ventures	2
Home Building Joint Ventures, Total [Member]
Schedule of Investments [Line Items]
Number of Joint Ventures \| joint_ventures	4
Investments in unconsolidated entities \| $	$ 60,512	65,936
Number of joint venture with funding commitments \| joint_ventures	1
Rental Property Joint Ventures, including Trust I [Member]
Schedule of Investments [Line Items]
Number of Joint Ventures \| joint_ventures	20
Investments in unconsolidated entities \| $	$ 174,292	171,216
Number of joint venture with funding commitments \| joint_ventures	2
Gibraltar Joint Ventures [Member]
Schedule of Investments [Line Items]
Number of Joint Ventures \| joint_ventures	9
Investments in unconsolidated entities \| $	$ 21,142	$ 18,068
Number of joint venture with funding commitments \| joint_ventures	1
Commitment To Advance Or Invest In Affiliates Subsidiaries And Joint Venture [Member] \| Land Development Joint Ventures [Member]
Schedule of Investments [Line Items]
Other Commitment \| $	$ 28,586
Commitment To Advance Or Invest In Affiliates Subsidiaries And Joint Venture [Member] \| Home Building Joint Ventures, Total [Member]
Schedule of Investments [Line Items]
Other Commitment \| $	1,400
Commitment To Advance Or Invest In Affiliates Subsidiaries And Joint Venture [Member] \| Rental Property Joint Ventures, including Trust I [Member]
Schedule of Investments [Line Items]
Other Commitment \| $	539
Commitment To Advance Or Invest In Affiliates Subsidiaries And Joint Venture [Member] \| Gibraltar Joint Ventures [Member]
Schedule of Investments [Line Items]
Other Commitment \| $	$ 8,271

Number of unconsolidated joint ventures, in which the Company has an interest.

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- Definition

Number of joint venture with funding commitments

+ References

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- Definition

Amount of investment in equity method investee and investment in and advance to affiliate.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.12)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Minimum amount of other commitment not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in the taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions.

+ References

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