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Short-term Borrowings (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017
Federal Funds Purchased [Member] |  |
Short-term Debt [Line Items] |  |
Short-term Debt | $ 0 | $ 0
Short-term Debt, Weighted Average Interest Rate | 0.00% | 0.00%
Short-term Debt, Average Outstanding Amount | $ 2 | $ 9
Short-term Debt, Weighted Average Interest Rate During Year | 2.50% | 2.01%
Short-term Debt, Maximum Month-end Outstanding Amount | $ 0 | $ 0
Securities Sold under Agreements to Repurchase [Member] |  |
Short-term Debt [Line Items] |  |
Short-term Debt | $ 2,300 | $ 2,658
Short-term Debt, Weighted Average Interest Rate | 0.50% | 0.50%
Short-term Debt, Average Outstanding Amount | $ 2,632 | $ 3,467
Short-term Debt, Weighted Average Interest Rate During Year | 0.50% | 0.52%
Short-term Debt, Maximum Month-end Outstanding Amount | $ 3,241 | $ 4,152

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