XML 68 R57.htm IDEA: XBRL DOCUMENT v3.7.0.1
Mortgage Servicing Rights Summary of Changes in Mortgage Servicing Rights (Details) - Residential Mortgage [Member] - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Amortized Cost:    
Balance at beginning of period $ 38,822 $ 40,944
Originations of mortgage servicing rights 1,183 920
Amortization (1,462) (1,669)
Balance at end of period 38,543 40,195
Valuation allowance:    
Valuation Allowance - Balance at end of period (1,291) 0
Net MSRs at end of period $ 37,252 $ 40,195