XML 98 R85.htm IDEA: XBRL DOCUMENT v3.6.0.2
Mortgage Servicing Rights - At Fair Value (Details) - Mortgage loans - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Servicing Assets and Servicing Liabilities at Fair Value, Assumptions Used to Estimate Fair Value [Abstract]    
Mortagage servicing rights, fair value $ 35,656 $ 31,011
Servicing asset at fair value, assumptions used to estimate fair value, weighted average life 8 years 7 years 3 months 17 days
Minimum    
Servicing Assets and Servicing Liabilities at Fair Value, Assumptions Used to Estimate Fair Value [Abstract]    
Servicing assets at fair value, assumptions used to estimate fair value, discount rate 9.60% 9.80%
Servicing assets at fair value, assumptions used to estimate fair value, prepayment speed 0.50% 0.50%
Maximum    
Servicing Assets and Servicing Liabilities at Fair Value, Assumptions Used to Estimate Fair Value [Abstract]    
Servicing assets at fair value, assumptions used to estimate fair value, discount rate 11.40% 14.50%
Servicing assets at fair value, assumptions used to estimate fair value, prepayment speed 1.50% 1.80%