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Fair Value Measurements and Fair Value of Financial Instruments (Details) - Schedule of Fair Value on a non-recurring basis - Non-recurring [Member] - Impaired Loans [Member] - Commercial Real Estate [Member] - USD ($) $ in Thousands | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2018 | Dec. 31, 2017
Fair Value Measurements and Fair Value of Financial Instruments (Details) - Fair value, assets and liabilities measured on nonrecurring basis, valuation techniques [Line Items] |  |
Fair Value | $ 7,866 | $ 1,094
Valuation Techniques | Sales comparison approach | Sales comparison approach
Unobservable Input | Adjustment for differences between the comparable sales | Adjustment for differences between the comparable sales
Sales comparison approach [Member] |  |
Fair Value Measurements and Fair Value of Financial Instruments (Details) - Fair value, assets and liabilities measured on nonrecurring basis, valuation techniques [Line Items] |  |
Capitalization rate | 10.00% | 5.00%
Sales comparison approach [Member] | Minimum [Member] |  |
Fair Value Measurements and Fair Value of Financial Instruments (Details) - Fair value, assets and liabilities measured on nonrecurring basis, valuation techniques [Line Items] |  |
Capitalization rate | 0.00% | 0.00%
Sales comparison approach [Member] | Maximum [Member] |  |
Fair Value Measurements and Fair Value of Financial Instruments (Details) - Fair value, assets and liabilities measured on nonrecurring basis, valuation techniques [Line Items] |  |
Capitalization rate | 20.00% | 10.00%

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