Investments in Unconsolidated Entities Investments in Unconsolidated Entities (Details 2) $ in Thousands	12 Months Ended
Oct. 31, 2022 USD ($) joint_ventures	Oct. 31, 2021 USD ($) joint_ventures
Schedule of Equity Method Investments [Line Items]
Number of joint ventures with loan commitments \| joint_ventures	47	34
Line of Credit Facility, Maximum Borrowing Capacity	$ 4,094,096	$ 2,773,602
Amounts borrowed under commitments	2,236,456	1,671,091
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures	852,314	599,101
Newly Formed Joint Ventures
Schedule of Equity Method Investments [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	219,700
Amounts borrowed under commitments	17,600
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures	45,500
Land Development Joint Venture [Member]
Schedule of Equity Method Investments [Line Items]
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures	$ 343,314	$ 243,767
Land Development Joint Venture [Member] \| Newly Formed Joint Ventures
Schedule of Equity Method Investments [Line Items]
Number of JVs formed in the period \| joint_ventures	3	6
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures	$ 48,600	$ 112,400
Rental Joint Ventures, including the Trust [Member] \| Newly Formed Joint Ventures
Schedule of Equity Method Investments [Line Items]
Number of JVs formed in the period \| joint_ventures	12	11
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures	$ 132,200	$ 112,900
Home Building Joint Ventures, Total [Member]
Schedule of Equity Method Investments [Line Items]
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures	$ 49,385	12,944
Home Building Joint Ventures, Total [Member] \| Newly Formed Joint Ventures
Schedule of Equity Method Investments [Line Items]
Number of JVs formed in the period \| joint_ventures	2
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures	$ 48,700
Gibraltar Joint Ventures [Member]
Schedule of Equity Method Investments [Line Items]
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures	$ 18,216	$ 25,810
Gibraltar Joint Ventures [Member] \| Newly Formed Joint Ventures
Schedule of Equity Method Investments [Line Items]
Number of JVs formed in the period \| joint_ventures	1
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures	$ 2,700
Variable Interest Entity, Primary Beneficiary [Member]
Schedule of Equity Method Investments [Line Items]
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures	$ 81,300
Land Development Joint Venture [Member]
Schedule of Equity Method Investments [Line Items]
Number of joint ventures with loan commitments \| joint_ventures	10	7
Line of Credit Facility, Maximum Borrowing Capacity	$ 557,185	$ 422,446
Amounts borrowed under commitments	$ 444,306	$ 328,173
Home Building Joint Ventures, Total [Member]
Schedule of Equity Method Investments [Line Items]
Number of joint ventures with loan commitments \| joint_ventures	2
Line of Credit Facility, Maximum Borrowing Capacity	$ 219,650
Amounts borrowed under commitments	$ 17,583
Rental Joint Ventures, including Trusts i and II [Member]
Schedule of Equity Method Investments [Line Items]
Number of joint ventures with loan commitments \| joint_ventures	35	27
Line of Credit Facility, Maximum Borrowing Capacity	$ 3,317,261	$ 2,351,156
Amounts borrowed under commitments	$ 1,774,567	$ 1,342,918

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Number of joint ventures with loan commitments [Member]

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

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section S99
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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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