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Deposits (Tables)
12 Months Ended
Dec. 31, 2017
Deposits:  
Maturities Of Certificates Of Deposit And Other Time Deposits [Table Text Block]
(Dollars in thousands)December 31, 2017
2018$88,324
201953,936
202016,610
20218,055
202221,146
Total certificates of deposit and other time deposits $188,071