Investments in Unconsolidated Entities (Details Textual 2) $ in Thousands	9 Months Ended
	Jul. 31, 2018 USD ($) joint_ventures	Oct. 31, 2017 USD ($) joint_ventures
Statement of Investments in and Advances to Unconsolidated Entities [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 1,585,068
Amounts borrowed under commitments	$ 1,215,133
Number Of Entities That Are Considered Variable Interest Entities | joint_ventures	9
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures	$ 419,994	$ 481,758
Other Commitment	40,224
Equity Method Investee [Member]
Statement of Investments in and Advances to Unconsolidated Entities [Line Items]
Guarantees, Fair Value Disclosure	5,300
Number Of Unconsolidated Entities That Are Considered Variable Interest Entities | joint_ventures		8
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	26,600	$ 35,900
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	1,137,100
Guarantees, Repayment and Carry Cost, Maximum	293,000
Amounts borrowed under commitments	767,100
Maximum repapyment and carry cost guarantee obligation for borrowings by JV	$ 242,500
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	P11M
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	P44M
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	68,300	61,300
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	$ 10,500