Investments in Unconsolidated Entities (Details Textual 2) $ in Thousands	9 Months Ended
	Jul. 31, 2016 USD ($) joint_ventures	Oct. 31, 2015 USD ($) joint_ventures
Statement of Investments in and Advances to Unconsolidated Entities [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 1,457,196
Amounts borrowed under commitments	1,184,758
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures	461,604	$ 412,860
Other Commitment	280,141
Equity Method Investee [Member]
Statement of Investments in and Advances to Unconsolidated Entities [Line Items]
Guarantees, Fair Value Disclosure	$ 4,500
Equity Method Investee [Member] | Variable Interest Entity, Not Primary Beneficiary, Aggregated Disclosure [Member]
Statement of Investments in and Advances to Unconsolidated Entities [Line Items]
Number Of Unconsolidated Entities That Are Considered Variable Interest Entities | joint_ventures	3	1
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures	$ 7,300	$ 6,700
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	871,500
Amounts borrowed under commitments	600,000
Guarantor Obligations, Maximum Exposure, Undiscounted	871,500
Guarantees, Repayment and Carry Cost, Maximum	78,800
Maxiumum guarantor obigation for borrowings by JVs	600,000
Maximum repapyment and carry cost guarantee obligation for borrowings by JV	$ 64,000
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	P4M
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]
Guarantor Obligations, Maximum Exposure, Undiscounted	$ 70,000	89,800
Maximum repapyment and carry cost guarantee obligation for borrowings by JV	14,300	14,300
Ground Lease and Insurance Deductible Guarantee Member [Member] | Equity Method Investee [Member]
Statement of Investments in and Advances to Unconsolidated Entities [Line Items]
Guarantor Obligations, Maximum Exposure, Undiscounted	$ 4,400
Number of JVs, ground lease and other	3
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	$ 1,600	$ 400