Summary of Significant Accounting Policies (Details) - USD ($)
$ in Thousands
Apr. 30, 2017
Oct. 31, 2016
Adoption of New Accounting Pronouncement [Line Items]    
Other assets $ 56,428 $ 85,565
Total assets 2,167,073 1,730,382
Debt 868,272 571,773
Total liabilities 1,178,469 916,779
Total permanent equity 788,490 704,575
Total liabilities, temporary equity and permanent equity $ 2,167,073 1,730,382
As Previously Reported [Member]    
Adoption of New Accounting Pronouncement [Line Items]    
Other assets   87,759
Total assets   1,732,576
Debt   573,967
Total liabilities   918,973
Total permanent equity   704,575
Total liabilities, temporary equity and permanent equity   1,732,576
Reclassification [Member]    
Adoption of New Accounting Pronouncement [Line Items]    
Other assets   (2,194)
Total assets   (2,194)
Debt   (2,194)
Total liabilities   (2,194)
Total permanent equity   0
Total liabilities, temporary equity and permanent equity   (2,194)
As Restated Member [Member]    
Adoption of New Accounting Pronouncement [Line Items]    
Other assets   85,565
Total assets   1,730,382
Debt   571,773
Total liabilities   916,779
Total permanent equity   704,575
Total liabilities, temporary equity and permanent equity   $ 1,730,382