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Investments in Unconsolidated Entities (Details Textual 2)
$ in Thousands
9 Months Ended
Jul. 31, 2017
USD ($)
joint_ventures
Oct. 31, 2016
USD ($)
joint_ventures
Statement of Investments in and Advances to Unconsolidated Entities [Line Items]    
Line of Credit Facility, Maximum Borrowing Capacity $ 1,532,906  
Amounts borrowed under commitments 1,143,321  
Investments in Affiliates, Subsidiaries, Associates, and Joint Ventures 514,265 $ 496,411
Other Commitment 52,871  
Equity Method Investee [Member]    
Statement of Investments in and Advances to Unconsolidated Entities [Line Items]    
Guarantees, Fair Value Disclosure $ 4,700  
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 7 3
Investments in Affiliates, Subsidiaries, Associates, and Joint Ventures $ 25,600 $ 16,400
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 1,080,100  
Amounts borrowed under commitments 693,500  
Guarantees, Repayment and Carry Cost, Maximum 250,500  
Maximum repapyment and carry cost guarantee obligation for borrowings by JV $ 207,100  
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 P1M  
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 P40M  
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 70,000
Guarantees, Repayment and Carry Cost, Maximum 70,000 14,300
Maximum repapyment and carry cost guarantee obligation for borrowings by JV 56,800  
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 $ 10,600 $ 1,400