Investments in Unconsolidated Entities (Details Textual 2) $ in Thousands	3 Months Ended
	Jan. 31, 2020 USD ($) joint_ventures	Oct. 31, 2019 USD ($) joint_ventures
Statement of Investments in and Advances to Unconsolidated Entities [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 1,615,647
Amounts borrowed under commitments	$ 1,168,731
Number Of Entities That Are Considered Variable Interest Entities | joint_ventures	16	18
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures	$ 364,352	$ 366,252
Other Commitment	36,562
Equity Method Investee [Member]
Statement of Investments in and Advances to Unconsolidated Entities [Line Items]
Guarantees, Fair Value Disclosure	$ 5,500
Number Of Unconsolidated Entities That Are Considered Variable Interest Entities | joint_ventures	11	13
Equity Method Investee [Member] | Variable Interest Entity, Not Primary Beneficiary, Aggregated Disclosure [Member]
Statement of Investments in and Advances to Unconsolidated Entities [Line Items]
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures	$ 43,700	$ 37,000
Indirect Guarantee of Indebtedness [Member] | Equity Method Investee [Member]
Statement of Investments in and Advances to Unconsolidated Entities [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	1,270,000
Guarantees, Repayment and Carry Cost, Maximum	183,100
Amounts borrowed under commitments	825,300
Maximum repapyment and carry cost guarantee obligation for borrowings by JV	$ 114,100
Indirect Guarantee of Indebtedness [Member] | Equity Method Investee [Member] | Minimum [Member]
Statement of Investments in and Advances to Unconsolidated Entities [Line Items]
Guarantor Obligations, Term	P7M
Indirect Guarantee of Indebtedness [Member] | Equity Method Investee [Member] | Maximum [Member]
Statement of Investments in and Advances to Unconsolidated Entities [Line Items]
Guarantor Obligations, Term	P3Y10M24D
Indirect Guarantee of Indebtedness [Member] | Equity Method Investee [Member] | Variable Interest Entity, Not Primary Beneficiary, Aggregated Disclosure [Member]
Statement of Investments in and Advances to Unconsolidated Entities [Line Items]
Guarantees, Repayment and Carry Cost, Maximum	$ 11,100	76,000
Maximum repapyment and carry cost guarantee obligation for borrowings by JV	0	76,000
Guarantor Obligations, Maximum Exposure, Undiscounted	42,000	76,000
Commitment To Advance Or Invest In Affiliates Subsidiaries And Joint Ventures [Member] | Equity Method Investee [Member] | Variable Interest Entity, Not Primary Beneficiary, Aggregated Disclosure [Member]
Statement of Investments in and Advances to Unconsolidated Entities [Line Items]
Other Commitment	$ 6,800	8,300
Rental Joint Ventures, including Trusts i and II [Member] | Variable Interest Entity, Primary Beneficiary [Member]
Statement of Investments in and Advances to Unconsolidated Entities [Line Items]
Number of Real Estate Properties | joint_ventures	5
Variable Interest Entity, Consolidated, Carrying Amount, Assets	$ 157,900	145,800
Noncontrolling Interest in Variable Interest Entity	$ 43,500	$ 41,000