Investments in Unconsolidated Entities (Details Textual 2) $ in Thousands	3 Months Ended
	Jan. 31, 2019 USD ($) joint_ventures	Oct. 31, 2018 USD ($) joint_ventures
Statement of Investments in and Advances to Unconsolidated Entities [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 1,623,192
Amounts borrowed under commitments	$ 1,207,715
Number Of Entities That Are Considered Variable Interest Entities | joint_ventures	14	11
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures	$ 409,374	$ 431,813
Other Commitment	$ 28,040
Variable Interest Entity, Primary Beneficiary [Member]
Statement of Investments in and Advances to Unconsolidated Entities [Line Items]
Number Of Entities That Are Considered Variable Interest Entities | joint_ventures	4
Variable Interest Entity, Consolidated, Carrying Amount, Assets	$ 115,500
Noncontrolling Interest in Variable Interest Entity	35,700
Equity Method Investee [Member]
Statement of Investments in and Advances to Unconsolidated Entities [Line Items]
Guarantees, Fair Value Disclosure	$ 6,200
Number Of Unconsolidated Entities That Are Considered Variable Interest Entities | joint_ventures	10	10
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	$ 34,600	$ 33,800
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	1,280,000
Guarantees, Repayment and Carry Cost, Maximum	308,300
Amounts borrowed under commitments	861,200
Maximum repapyment and carry cost guarantee obligation for borrowings by JV	$ 261,500
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	P5M
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	P45M
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	$ 70,000	70,000
Maximum repapyment and carry cost guarantee obligation for borrowings by JV	70,000	70,000
Guarantor Obligations, Maximum Exposure, Undiscounted	70,000	70,000
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	$ 10,800	$ 10,800