Investments in Unconsolidated Entities Investments in Unconsolidated Entities (Details 2) $ in Thousands	12 Months Ended
	Oct. 31, 2024 USD ($) joint_ventures	Oct. 31, 2023 USD ($) joint_ventures
Schedule of Equity Method Investments [Line Items]
Number of joint ventures with loan commitments | joint_ventures	50	56
Line of Credit Facility, Maximum Borrowing Capacity	$ 4,275,887	$ 4,562,255
Amounts borrowed under commitments	3,180,718	2,734,101
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures	1,007,417	959,041
Assets related to consolidated VIEs	13,367,932	12,527,018
Land Development Joint Venture [Member]
Schedule of Equity Method Investments [Line Items]
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures	388,550	351,154
Assets related to consolidated VIEs	$ 1,500,351	$ 1,406,543
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	1	1
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures	$ 17,956	$ 14,867
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		5
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures		$ 59,567
Home Building Joint Ventures, Total [Member]
Schedule of Equity Method Investments [Line Items]
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures	58,403	65,285
Assets related to consolidated VIEs	188,715	307,523
Gibraltar Joint Ventures [Member]
Schedule of Equity Method Investments [Line Items]
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures	11,269	10,779
Assets related to consolidated VIEs	55,253	54,359
Variable Interest Entity, Primary Beneficiary [Member]
Schedule of Equity Method Investments [Line Items]
Noncontrolling Interest in Variable Interest Entity	$ 9,800	$ 10,200
Land Development Joint Venture [Member]
Schedule of Equity Method Investments [Line Items]
Number of joint ventures with loan commitments | joint_ventures	11	12
Line of Credit Facility, Maximum Borrowing Capacity	$ 639,589	$ 610,758
Amounts borrowed under commitments	$ 381,614	$ 445,506
Land Development Joint Venture [Member] | Variable Interest Entity, Primary Beneficiary [Member] | Newly Formed Joint Ventures
Schedule of Equity Method Investments [Line Items]
Number of JVs formed in the period | joint_ventures		0
Assets related to consolidated VIEs		$ 0
Noncontrolling Interest in Variable Interest Entity		$ 0
Home Building Joint Ventures, Total [Member]
Schedule of Equity Method Investments [Line Items]
Number of joint ventures with loan commitments | joint_ventures	1	2
Line of Credit Facility, Maximum Borrowing Capacity	$ 98,150	$ 219,650
Amounts borrowed under commitments	$ 47,903	$ 135,723
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	38	42
Line of Credit Facility, Maximum Borrowing Capacity	$ 3,538,148	$ 3,731,847
Amounts borrowed under commitments	$ 2,751,201	$ 2,152,872
Rental Joint Ventures, including the Trust [Member] | Variable Interest Entity, Primary Beneficiary [Member] | Newly Formed Joint Ventures
Schedule of Equity Method Investments [Line Items]
Number of JVs formed in the period | joint_ventures		1
Assets related to consolidated VIEs		$ 10,600
Noncontrolling Interest in Variable Interest Entity		$ 2,700