Investments in Unconsolidated Entities (Details Textual 2) $ in Thousands	6 Months Ended
	Apr. 30, 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	$ 1,470,946
Amounts borrowed under commitments	1,150,436
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures	424,268	$ 412,860
Other Commitment	289,155
Equity Method Investee [Member]
Statement of Investments in and Advances to Unconsolidated Entities [Line Items]
Guarantees, Fair Value Disclosure	$ 4,800
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	$ 6,500	$ 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	945,200
Amounts borrowed under commitments	624,700
Guarantor Obligations, Maximum Exposure, Undiscounted	945,200
Guarantees, Repayment and Carry Cost, Maximum	85,800
Maxiumum guarantor obigation for borrowings by JVs	624,700
Maximum repapyment and carry cost guarantee obligation for borrowings by JV	$ 68,100
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	P48M
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	$ 89,800	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	$ 9,900
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	$ 400	$ 400