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Fair Value Measurements (Details 2) - USD ($) $ in Thousands | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2016 | Dec. 31, 2015
Investments in securities that are classified as level 3 |  |
Available-for-sale Securities | $ 387,008 | $ 367,249
Discounted cash flow methodology [Member] | Significant Unobservable Inputs (Level 3) | Weighted Average [Member] |  |
Investments in securities that are classified as level 3 |  |
Cumulative Prepayment | 2.60% | 2.70%
Cumulative Default | 12.90% | 15.10%
Loss Given Default | 94.20% | 94.20%
Cure Given Default | 60.90% | 62.30%
Pooled trust preferred securities | Significant Unobservable Inputs (Level 3) |  |
Investments in securities that are classified as level 3 |  |
Available-for-sale Securities | $ 1,538 | $ 1,572
Pooled trust preferred securities | Discounted cash flow methodology [Member] | Significant Unobservable Inputs (Level 3) | Minimum [Member] |  |
Investments in securities that are classified as level 3 |  |
Cumulative Prepayment | 0.00% | 0.00%
Cumulative Default | 5.00% | 5.00%
Loss Given Default | 85.00% | 85.00%
Cure Given Default | 0.00% | 0.00%
Pooled trust preferred securities | Discounted cash flow methodology [Member] | Significant Unobservable Inputs (Level 3) | Maximum [Member] |  |
Investments in securities that are classified as level 3 |  |
Cumulative Prepayment | 63.00% | 64.00%
Cumulative Default | 100.00% | 100.00%
Loss Given Default | 100.00% | 100.00%
Cure Given Default | 75.00% | 75.00%
Impaired loans | Significant Unobservable Inputs (Level 3) |  |
Investments in securities that are classified as level 3 |  |
Fair Value | $ 3,056 | $ 4,598
Other real estate owned and other foreclosed assets | Significant Unobservable Inputs (Level 3) |  |
Investments in securities that are classified as level 3 |  |
Fair Value | $ 1,798 | $ 2,159

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