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Investments in Unconsolidated Entities Investments in Unconsolidated Entities (Details 1) $ in Thousands | Oct. 31, 2019 USD ($) joint_ventures | Oct. 31, 2018 USD ($)
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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 |

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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 + Details
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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 No definition available. + Details
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