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Commitment and Contigent Liabilities (Tables) | 12 Months Ended
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Dec. 31, 2020
Commitments and Contingencies Disclosure [Abstract] |
Schedule Of Commitments To Extend Credit [Table Text Block] | December 31 (Dollars in thousands) 2020 2019 Commitments to extend credit $ 74,970 $ 60,564 Standby letters of credit 1,237 1,921

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