Investments in Unconsolidated Entities (Details Textual 2) $ in Thousands	9 Months Ended
	Jul. 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	$ 1,467,783
Amounts borrowed under commitments	$ 1,224,794
Number Of Entities That Are Considered Variable Interest Entities | joint_ventures	18	11
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures	$ 354,569	$ 431,813
Other Commitment	$ 32,966
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	5
Variable Interest Entity, Consolidated, Carrying Amount, Assets	$ 139,900	$ 19,700
Noncontrolling Interest in Variable Interest Entity	39,400
Equity Method Investee [Member]
Statement of Investments in and Advances to Unconsolidated Entities [Line Items]
Guarantees, Fair Value Disclosure	$ 4,400
Number Of Unconsolidated Entities That Are Considered Variable Interest Entities | joint_ventures	13	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	$ 37,800	$ 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	1,370,000
Guarantees, Repayment and Carry Cost, Maximum	299,200
Amounts borrowed under commitments	1,130,000
Maximum repapyment and carry cost guarantee obligation for borrowings by JV	$ 265,600
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	P9Y10M24D
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	$ 76,000	70,000
Maximum repapyment and carry cost guarantee obligation for borrowings by JV	76,000	70,000
Guarantor Obligations, Maximum Exposure, Undiscounted	76,000	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	$ 9,600	$ 10,800