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Securities Sold under Agreements to Repurchase (Details) - Schedule of repurchase agreements - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Securities Sold under Agreements to Repurchase [Abstract] |  |  |
Average daily balance during the year | $ 15,000 | $ 15,000 | $ 22,890
Average interest rate during the year | 5.95% | 5.95% | 5.92%
Maximum month-end balance during the year | $ 15,000 | $ 15,000 | $ 31,000
Weighted average interest rate during the year | 5.95% | 5.95% | 5.92%

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