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Mortgage Servicing Rights, Net (Tables)
3 Months Ended
Mar. 31, 2018
Mortgage Servicing [Abstract]  
Schedule Of Servicing Assets At Fair Value [Table Text Block]
Quarter ended March 31,
(Dollars in thousands)20182017
MSRs, net:
Beginning balance$1,644$1,952
Additions, net5353
Amortization expense(93)(144)
Decrease in MSR valuation allowance1
Ending balance$1,604$1,862
Valuation allowance included in MSRs, net:
Beginning of period$$1
End of period
Fair value of amortized MSRs:
Beginning of period$2,528$2,678
End of period2,7382,689