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Mortgage Servicing Rights, Net (Tables)
9 Months Ended
Sep. 30, 2018
Mortgage Servicing [Abstract]  
Schedule Of Servicing Assets At Fair Value [Table Text Block]
Quarter ended September 30,Nine Months ended September 30,
(Dollars in thousands)2018201720182017
MSRs, net:
Beginning balance$1,549$1,762$1,644$1,952
Additions, net6172175165
Amortization expense(115)(131)(324)(415)
Decrease in valuation allowance1
Ending balance$1,495$1,703$1,495$1,703
Valuation allowance included in MSRs, net:
Beginning of period$$$$1
End of period
Fair value of amortized MSRs:
Beginning of period$2,659$2,520$2,528$2,678
End of period2,6152,4412,6152,441