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Troubled Debt Restructurings (Tables)
12 Months Ended
Dec. 31, 2017
Troubled Debt Restructurings [Abstract]  
Summary of concession at the time of modification and the recorded investment in our TDRs before and after their modificatioN
   
For the year ended December 31, 2017
Pre-Post-
                modificationmodification
RenewalsReducedConvertedMaturityTotal   outstanding   outstanding
deemed aor deferredto interestdatenumberrecordedrecorded
(dollars in thousands)concessionpaymentsonlyextensionsof loansinvestmentInvestment
Commercial
Owner occupied RE1---1        $254        $310
Non-owner occupied RE1---1976976
Business21--3591600
Consumer
Real estate1---1281270
Home equity11--2363456
Total loans62--8$2,465        $2,612
 
For the year ended December 31, 2016
Pre-Post-
modificationmodification
RenewalsReducedConvertedMaturityTotaloutstandingoutstanding
deemed aor deferredto interestdatenumberrecordedrecorded
concessionpaymentsonlyextensionsof loansinvestmentInvestment
Commercial
Owner occupied RE1---1$477$478
Consumer
Real estate1---1188188
Total loans2---2$665$666