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Fair Value (Details) - USD ($) $ in Thousands | Mar. 31, 2018 | Dec. 31, 2017
--- | --- | ---
Financial Assets |  |
Securities available for sale | $ 384,396 | $ 392,937
Loan yield maintenance provisions | 859 | 653
Fair Value, Measurements, Recurring |  |
Financial Assets |  |
Securities available for sale | 390,405 | 398,516
Loan yield maintenance provisions | 859 | 653
Corporate bonds |  |
Financial Assets |  |
Securities available for sale | 1,161 | 1,234
Corporate bonds | Fair Value, Measurements, Recurring |  |
Financial Assets |  |
Securities available for sale | 1,161 | 1,234
Collateralized mortgage obligations | Fair Value, Measurements, Recurring |  |
Financial Assets |  |
Securities available for sale | 16,133 | 17,121
Small Business Administration |  |
Financial Assets |  |
Securities available for sale | 13,743 | 14,212
Small Business Administration | Fair Value, Measurements, Recurring |  |
Financial Assets |  |
Securities available for sale | 13,743 | 14,212
Other investments measured at net asset value | Fair Value, Measurements, Recurring |  |
Financial Assets |  |
Securities available for sale | 5,593 | 5,185
U.S. Treasury and U.S. government sponsored entities |  |
Financial Assets |  |
Securities available for sale | 6,029 | 8,917
U.S. Treasury and U.S. government sponsored entities | Fair Value, Measurements, Recurring |  |
Financial Assets |  |
Securities available for sale | 6,029 | 8,917
State and political subdivisions |  |
Financial Assets |  |
Securities available for sale | 190,034 | 191,003
State and political subdivisions | Fair Value, Measurements, Recurring |  |
Financial Assets |  |
Securities available for sale | 190,034 | 191,003
Mortgage-backed securities - residential |  |
Financial Assets |  |
Securities available for sale | 157,296 | 160,450
Mortgage-backed securities - residential | Fair Value, Measurements, Recurring |  |
Financial Assets |  |
Securities available for sale | 157,296 | 160,450
Equity securities | Fair Value, Measurements, Recurring |  |
Financial Assets |  |
Securities available for sale | 416 | 394
Interest rate swaps | Fair Value, Measurements, Recurring |  |
Financial Liabilities |  |
Derivative liabilities | 859 | 653
Quoted Prices in Active Markets for Identical Assets (Level 1) | Fair Value, Measurements, Recurring |  |
Financial Assets |  |
Securities available for sale | 416 | 394
Loan yield maintenance provisions | 0 | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Corporate bonds | Fair Value, Measurements, Recurring |  |
Financial Assets |  |
Securities available for sale | 0 | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Collateralized mortgage obligations | Fair Value, Measurements, Recurring |  |
Financial Assets |  |
Securities available for sale | 0 | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Small Business Administration | Fair Value, Measurements, Recurring |  |
Financial Assets |  |
Securities available for sale | 0 | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | U.S. Treasury and U.S. government sponsored entities | Fair Value, Measurements, Recurring |  |
Financial Assets |  |
Securities available for sale | 0 | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | State and political subdivisions | Fair Value, Measurements, Recurring |  |
Financial Assets |  |
Securities available for sale | 0 | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Mortgage-backed securities - residential | Fair Value, Measurements, Recurring |  |
Financial Assets |  |
Securities available for sale | 0 | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Equity securities | Fair Value, Measurements, Recurring |  |
Financial Assets |  |
Securities available for sale | 416 | 394
Quoted Prices in Active Markets for Identical Assets (Level 1) | Interest rate swaps | Fair Value, Measurements, Recurring |  |
Financial Liabilities |  |
Derivative liabilities | 0 | 0
Significant Other Observable Inputs (Level 2) | Fair Value, Measurements, Recurring |  |
Financial Assets |  |
Securities available for sale | 384,389 | 392,929
Loan yield maintenance provisions | 859 | 653
Significant Other Observable Inputs (Level 2) | Corporate bonds | Fair Value, Measurements, Recurring |  |
Financial Assets |  |
Securities available for sale | 1,161 | 1,234
Significant Other Observable Inputs (Level 2) | Collateralized mortgage obligations | Fair Value, Measurements, Recurring |  |
Financial Assets |  |
Securities available for sale | 16,133 | 17,121
Significant Other Observable Inputs (Level 2) | Small Business Administration | Fair Value, Measurements, Recurring |  |
Financial Assets |  |
Securities available for sale | 13,743 | 14,212
Significant Other Observable Inputs (Level 2) | U.S. Treasury and U.S. government sponsored entities | Fair Value, Measurements, Recurring |  |
Financial Assets |  |
Securities available for sale | 6,029 | 8,917
Significant Other Observable Inputs (Level 2) | State and political subdivisions | Fair Value, Measurements, Recurring |  |
Financial Assets |  |
Securities available for sale | 190,034 | 191,003
Significant Other Observable Inputs (Level 2) | Mortgage-backed securities - residential | Fair Value, Measurements, Recurring |  |
Financial Assets |  |
Securities available for sale | 157,289 | 160,442
Significant Other Observable Inputs (Level 2) | Equity securities | Fair Value, Measurements, Recurring |  |
Financial Assets |  |
Securities available for sale | 0 | 0
Significant Other Observable Inputs (Level 2) | Interest rate swaps | Fair Value, Measurements, Recurring |  |
Financial Liabilities |  |
Derivative liabilities | 859 | 653
Significant Unobservable Inputs (Level 3) | Fair Value, Measurements, Recurring |  |
Financial Assets |  |
Securities available for sale | 7 | 8
Loan yield maintenance provisions | 0 | 0
Significant Unobservable Inputs (Level 3) | Corporate bonds | Fair Value, Measurements, Recurring |  |
Financial Assets |  |
Securities available for sale | 0 | 0
Significant Unobservable Inputs (Level 3) | Collateralized mortgage obligations | Fair Value, Measurements, Recurring |  |
Financial Assets |  |
Securities available for sale | 0 | 0
Significant Unobservable Inputs (Level 3) | Small Business Administration | Fair Value, Measurements, Recurring |  |
Financial Assets |  |
Securities available for sale | 0 | 0
Significant Unobservable Inputs (Level 3) | U.S. Treasury and U.S. government sponsored entities | Fair Value, Measurements, Recurring |  |
Financial Assets |  |
Securities available for sale | 0 | 0
Significant Unobservable Inputs (Level 3) | State and political subdivisions | Fair Value, Measurements, Recurring |  |
Financial Assets |  |
Securities available for sale | 0 | 0
Significant Unobservable Inputs (Level 3) | Mortgage-backed securities - residential | Fair Value, Measurements, Recurring |  |
Financial Assets |  |
Securities available for sale | 7 | 8
Significant Unobservable Inputs (Level 3) | Equity securities | Fair Value, Measurements, Recurring |  |
Financial Assets |  |
Securities available for sale | 0 | 0
Significant Unobservable Inputs (Level 3) | Interest rate swaps | Fair Value, Measurements, Recurring |  |
Financial Liabilities |  |
Derivative liabilities | $ 0 | $ 0

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