XML 88 R72.htm IDEA: XBRL DOCUMENT v3.8.0.1
Mortgage Servicing - Schedule of Estimated Change in Fair Value of MSRs (Details)
$ in Thousands
Sep. 30, 2017
USD ($)
Transfers and Servicing [Abstract]  
Weighted average prepayment speeds, 10% $ (59,993)
Weighted average prepayment speeds, 20% (121,587)
Discount rate (Option-adjusted spread), 10% (10,383)
Discount rate (Option-adjusted spread), 20% $ (20,807)