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Fair Value of Financial Instruments (Additional Qualitative Information about Level 3 Assets) (Details) - USD ($) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2018 | Dec. 31, 2017
Impaired Loans [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Assets, Fair Value Disclosure | $ 1,319,000 | $ 1,247,000
Fair Value Disclosure, Unobservable Input Range | Probability of default |
Impaired Loans [Member] | Measurement Input, Default Rate [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Servicing Asset, Measurement Input | 0 | 0
Impaired Loans [Member] | Appraisal of collateral [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Assets, Fair Value Disclosure | $ 232,000 | $ 131,000
Fair Value Disclosure, Unobservable Input Range | Appraisal adjustments(2) |
Impaired Loans [Member] | Appraisal of collateral [Member] | Measurement Input, Appraised Value [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Servicing Asset, Measurement Input |  | 10
Impaired Loans [Member] | Present value of future cash flows [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Assets, Fair Value Disclosure | $ 1,087,000 | $ 1,116,000
Fair Value Disclosure, Unobservable Input Range | Loan discount rate |
Impaired Loans [Member] | Minimum [Member] | Appraisal of collateral [Member] | Measurement Input, Appraised Value [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Servicing Asset, Measurement Input | 10.00 |
Impaired Loans [Member] | Minimum [Member] | Present value of future cash flows [Member] | Measurement Input, Discount Rate [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Servicing Asset, Measurement Input | 4.00 | 4
Impaired Loans [Member] | Maximum [Member] | Appraisal of collateral [Member] | Measurement Input, Appraised Value [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Servicing Asset, Measurement Input | 81.54 |
Impaired Loans [Member] | Maximum [Member] | Present value of future cash flows [Member] | Measurement Input, Discount Rate [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Servicing Asset, Measurement Input | 6.00 | 5.25
Impaired Loans [Member] | Weighted Average [Member] | Appraisal of collateral [Member] | Measurement Input, Appraised Value [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Servicing Asset, Measurement Input | 56.06 | 10
Impaired Loans [Member] | Weighted Average [Member] | Present value of future cash flows [Member] | Measurement Input, Discount Rate [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Servicing Asset, Measurement Input | 5.80 | 5.11
Foreclosed Real Estate Owned [Member] | Appraisal of collateral [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Assets, Fair Value Disclosure | $ 1,115,000 | $ 1,661,000
Fair Value Disclosure, Unobservable Input Range | Liquidation Expenses(2) |
Foreclosed Real Estate Owned [Member] | Minimum [Member] | Appraisal of collateral [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Other Real Estate Owned, Measurement Input | 7.00 | 0
Foreclosed Real Estate Owned [Member] | Maximum [Member] | Appraisal of collateral [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Other Real Estate Owned, Measurement Input | 85.71 | 42.60
Foreclosed Real Estate Owned [Member] | Weighted Average [Member] | Appraisal of collateral [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Other Real Estate Owned, Measurement Input | 7.80 | 14.68

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