XML 76 R60.htm IDEA: XBRL DOCUMENT v3.8.0.1
Loans Held for Sale - Schedule of Loans Held for Sale at Lower Cost or Fair Value Activity (Footnote) (Details) - USD ($)
$ in Millions
Sep. 30, 2017
Sep. 30, 2016
Ginnie Mae Loans [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans repurchase obligation $ 17.6 $ 28.1