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Fair Value Measurements (Details) - USD ($) $ in Thousands | Jun. 30, 2017 | Dec. 31, 2016 | Jun. 30, 2016
--- | --- | --- | ---
Investment securities | $ 497,672 | $ 538,108 | $ 409,512
Loans held for sale | 49,327 | 51,629 |
Assets measured at a fair value on a recurring basis | 547,102 | 589,851 |
Liabilities measured at a fair value on a recurring basis | 204 | 747 |
Interest Rate Swap [Member] | Derivative Financial Instruments, Assets [Member] |  |  |
Derivative asset | 56 |  |
Derivative Financial Instruments, Liabilities [Member] | Interest Rate Swap [Member] |  |  |
Derivative liability | 157 | 692 |
Derivative Financial Instruments, Liabilities [Member] | Mortgage Banking Derivative [Member] |  |  |
Derivative liability | 47 | 55 |
US Government Agencies Debt Securities [Member] |  |  |
Investment securities | 145,862 | 106,142 |
Residential Mortgage Backed Securities [Member] |  |  |
Investment securities | 296,541 | 326,239 |
US States and Political Subdivisions Debt Securities [Member] |  |  |
Investment securities | 44,886 | 95,930 |
Corporate Debt Securities [Member] |  |  |
Investment securities | 10,165 | 9,579 |
Equity Securities [Member] |  |  |
Investment securities | 218 | 218 |
Mortgage Banking Derivative [Member] | Derivative Financial Instruments, Assets [Member] |  |  |
Derivative asset | 47 |  |
Assets measured at a fair value on a recurring basis |  | 114 |
Fair Value, Inputs, Level 2 [Member] |  |  |
Loans held for sale | 49,327 | 51,629 |
Assets measured at a fair value on a recurring basis | 545,337 | 588,019 |
Liabilities measured at a fair value on a recurring basis | 157 | 692 |
Fair Value, Inputs, Level 2 [Member] | Derivative Financial Instruments, Assets [Member] |  |  |
Derivative asset | 56 |  |
Fair Value, Inputs, Level 2 [Member] | Derivative Financial Instruments, Liabilities [Member] | Interest Rate Swap [Member] |  |  |
Derivative liability | 157 | 692 |
Fair Value, Inputs, Level 2 [Member] | US Government Agencies Debt Securities [Member] |  |  |
Investment securities | 145,862 | 106,142 |
Fair Value, Inputs, Level 2 [Member] | Residential Mortgage Backed Securities [Member] |  |  |
Investment securities | 296,541 | 326,239 |
Fair Value, Inputs, Level 2 [Member] | US States and Political Subdivisions Debt Securities [Member] |  |  |
Investment securities | 44,886 | 95,930 |
Fair Value, Inputs, Level 2 [Member] | Corporate Debt Securities [Member] |  |  |
Investment securities | 8,665 | 8,079 |
Fair Value, Inputs, Level 3 [Member] |  |  |
Assets measured at a fair value on a recurring basis | 1,765 | 1,832 |
Liabilities measured at a fair value on a recurring basis | 47 | 55 |
Fair Value, Inputs, Level 3 [Member] | Derivative Financial Instruments, Assets [Member] |  |  |
Derivative asset | 47 |  |
Fair Value, Inputs, Level 3 [Member] | Derivative Financial Instruments, Liabilities [Member] | Mortgage Banking Derivative [Member] |  |  |
Derivative liability | 47 | 55 |
Fair Value, Inputs, Level 3 [Member] | Corporate Debt Securities [Member] |  |  |
Investment securities | 1,500 | 1,500 |
Fair Value, Inputs, Level 3 [Member] | Equity Securities [Member] |  |  |
Investment securities | $ 218 | 218 |
Fair Value, Inputs, Level 3 [Member] | Mortgage Banking Derivative [Member] | Derivative Financial Instruments, Assets [Member] |  |  |
Derivative asset |  | $ 114 |

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