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Unobservable Inputs (Details) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 USD ($) | Dec. 31, 2017 USD ($)
Fair Value, Assets, Quantitative Information [Line Items] |  |
Debt Securities, Available-for-sale | $ 442,752 | $ 447,498
Weighted Average [Member] | Discounted cash flow methodology [Member] | Significant Unobservable Inputs (Level 3) [Member] |  |
Fair Value, Assets, Quantitative Information [Line Items] |  |
Cumulative Default | 16.20% | 12.40%
Loss Given Default | 94.80% | 94.30%
Cure Given Default | 60.90% | 60.90%
Pooled Trust Preferred Securities [Member] | Significant Unobservable Inputs (Level 3) [Member] |  |
Fair Value, Assets, Quantitative Information [Line Items] |  |
Debt Securities, Available-for-sale | $ 1,329 | $ 1,640
Pooled Trust Preferred Securities [Member] | Minimum [Member] | Discounted cash flow methodology [Member] | Significant Unobservable Inputs (Level 3) [Member] |  |
Fair Value, Assets, Quantitative Information [Line Items] |  |
Cumulative Default | 5.00% | 5.00%
Loss Given Default | 85.00% | 85.00%
Cure Given Default | 0.00% | 0.00%
Pooled Trust Preferred Securities [Member] | Maximum [Member] | Discounted cash flow methodology [Member] | Significant Unobservable Inputs (Level 3) [Member] |  |
Fair Value, Assets, Quantitative Information [Line Items] |  |
Cumulative Default | 100.00% | 100.00%
Loss Given Default | 100.00% | 100.00%
Cure Given Default | 75.00% | 75.00%
Fair Value, Measurements, Recurring [Member] | Impaired Loans [Member] | Significant Unobservable Inputs (Level 3) [Member] |  |
Fair Value, Assets, Quantitative Information [Line Items] |  |
Assets, Fair Value Disclosure | $ 29,109 | $ 33,567
Fair Value, Measurements, Recurring [Member] | Other real estate owned and other foreclosed assets | Significant Unobservable Inputs (Level 3) [Member] |  |
Fair Value, Assets, Quantitative Information [Line Items] |  |
Assets, Fair Value Disclosure | $ 0 | $ 612
Measurement Input, Constant Prepayment Rate [Member] | Weighted Average [Member] | Discounted cash flow methodology [Member] | Significant Unobservable Inputs (Level 3) [Member] |  |
Fair Value, Assets, Quantitative Information [Line Items] |  |
Debt Securities, Available-for-sale, Measurement Input | 0.021 | 0.025
Measurement Input, Constant Prepayment Rate [Member] | Pooled Trust Preferred Securities [Member] | Minimum [Member] | Discounted cash flow methodology [Member] | Significant Unobservable Inputs (Level 3) [Member] |  |
Fair Value, Assets, Quantitative Information [Line Items] |  |
Debt Securities, Available-for-sale, Measurement Input | 0 | 0
Measurement Input, Constant Prepayment Rate [Member] | Pooled Trust Preferred Securities [Member] | Maximum [Member] | Discounted cash flow methodology [Member] | Significant Unobservable Inputs (Level 3) [Member] |  |
Fair Value, Assets, Quantitative Information [Line Items] |  |
Debt Securities, Available-for-sale, Measurement Input | 0.59 | 0.61

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