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EMPLOYEE BENEFITS (Details 5) - USD ($) $ in Thousands | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
--- | --- | --- | ---
Pension Benefits |  |  |
Employee benefits |  |  |
Total plan assets | $ 27,914 | $ 24,562 | $ 23,887
Carrying Amount | Recurring basis |  |  |
Employee benefits |  |  |
Total plan assets | 27,914 | 24,562 |
Quoted Prices In Active Markets for Identical Assets (Level 1) | Recurring basis |  |  |
Employee benefits |  |  |
Total plan assets | 19,588 | 17,385 |
Significant Other Observable Inputs (Level 2) | Recurring basis |  |  |
Employee benefits |  |  |
Total plan assets | 8,326 | 7,177 |
Cash Equivalents | Carrying Amount | Recurring basis |  |  |
Employee benefits |  |  |
Total plan assets | 822 | 1,150 |
Cash Equivalents | Quoted Prices In Active Markets for Identical Assets (Level 1) | Recurring basis |  |  |
Employee benefits |  |  |
Total plan assets |  | 1,129 |
Cash Equivalents | Significant Other Observable Inputs (Level 2) | Recurring basis |  |  |
Employee benefits |  |  |
Total plan assets | 822 | 21 |
Cash | Carrying Amount | Recurring basis |  |  |
Employee benefits |  |  |
Total plan assets |  | 1,129 |
Cash | Quoted Prices In Active Markets for Identical Assets (Level 1) | Recurring basis |  |  |
Employee benefits |  |  |
Total plan assets |  | 1,129 |
Cash | Significant Other Observable Inputs (Level 2) | Recurring basis |  |  |
Employee benefits |  |  |
Total plan assets |  |  |
Short term investment funds | Carrying Amount | Recurring basis |  |  |
Employee benefits |  |  |
Total plan assets | 822 | 21 |
Short term investment funds | Quoted Prices In Active Markets for Identical Assets (Level 1) | Recurring basis |  |  |
Employee benefits |  |  |
Total plan assets |  |  |
Short term investment funds | Significant Other Observable Inputs (Level 2) | Recurring basis |  |  |
Employee benefits |  |  |
Total plan assets | 822 | 21 |
Equity Securities | Carrying Amount | Recurring basis |  |  |
Employee benefits |  |  |
Total plan assets | 17,882 | 15,272 |
Equity Securities | Quoted Prices In Active Markets for Identical Assets (Level 1) | Recurring basis |  |  |
Employee benefits |  |  |
Total plan assets | 17,882 | 15,272 |
Equity Securities | Significant Other Observable Inputs (Level 2) | Recurring basis |  |  |
Employee benefits |  |  |
Total plan assets |  |  |
U.S. Large cap | Carrying Amount | Recurring basis |  |  |
Employee benefits |  |  |
Total plan assets | 8,950 | 7,472 |
U.S. Large cap | Quoted Prices In Active Markets for Identical Assets (Level 1) | Recurring basis |  |  |
Employee benefits |  |  |
Total plan assets | 8,950 | 7,472 |
U.S. Large cap | Significant Other Observable Inputs (Level 2) | Recurring basis |  |  |
Employee benefits |  |  |
Total plan assets |  |  |
U.S. Mid cap/small cap | Carrying Amount | Recurring basis |  |  |
Employee benefits |  |  |
Total plan assets | 3,038 | 2,259 |
U.S. Mid cap/small cap | Quoted Prices In Active Markets for Identical Assets (Level 1) | Recurring basis |  |  |
Employee benefits |  |  |
Total plan assets | 3,038 | 2,259 |
U.S. Mid cap/small cap | Significant Other Observable Inputs (Level 2) | Recurring basis |  |  |
Employee benefits |  |  |
Total plan assets |  |  |
International | Carrying Amount | Recurring basis |  |  |
Employee benefits |  |  |
Total plan assets | 5,770 | 4,390 |
International | Quoted Prices In Active Markets for Identical Assets (Level 1) | Recurring basis |  |  |
Employee benefits |  |  |
Total plan assets | 5,770 | 4,390 |
International | Significant Other Observable Inputs (Level 2) | Recurring basis |  |  |
Employee benefits |  |  |
Total plan assets |  |  |
Equity blend | Carrying Amount | Recurring basis |  |  |
Employee benefits |  |  |
Total plan assets | 124 | 1,151 |
Equity blend | Quoted Prices In Active Markets for Identical Assets (Level 1) | Recurring basis |  |  |
Employee benefits |  |  |
Total plan assets | 124 | 1,151 |
Equity blend | Significant Other Observable Inputs (Level 2) | Recurring basis |  |  |
Employee benefits |  |  |
Total plan assets |  |  |
Fixed income securities | Carrying Amount | Recurring basis |  |  |
Employee benefits |  |  |
Total plan assets | 9,210 | 8,140 |
Fixed income securities | Quoted Prices In Active Markets for Identical Assets (Level 1) | Recurring basis |  |  |
Employee benefits |  |  |
Total plan assets | 1,706 | 984 |
Fixed income securities | Significant Other Observable Inputs (Level 2) | Recurring basis |  |  |
Employee benefits |  |  |
Total plan assets | 7,504 | 7,156 |
Government issues | Carrying Amount | Recurring basis |  |  |
Employee benefits |  |  |
Total plan assets | 1,948 | 1,329 |
Government issues | Quoted Prices In Active Markets for Identical Assets (Level 1) | Recurring basis |  |  |
Employee benefits |  |  |
Total plan assets | 1,706 | 984 |
Government issues | Significant Other Observable Inputs (Level 2) | Recurring basis |  |  |
Employee benefits |  |  |
Total plan assets | 242 | 345 |
Corporate bonds | Carrying Amount | Recurring basis |  |  |
Employee benefits |  |  |
Total plan assets | 1,795 | 1,308 |
Corporate bonds | Quoted Prices In Active Markets for Identical Assets (Level 1) | Recurring basis |  |  |
Employee benefits |  |  |
Total plan assets |  |  |
Corporate bonds | Significant Other Observable Inputs (Level 2) | Recurring basis |  |  |
Employee benefits |  |  |
Total plan assets | 1,795 | 1,308 |
Mortgage backed | Carrying Amount | Recurring basis |  |  |
Employee benefits |  |  |
Total plan assets | 960 | 562 |
Mortgage backed | Quoted Prices In Active Markets for Identical Assets (Level 1) | Recurring basis |  |  |
Employee benefits |  |  |
Total plan assets |  |  |
Mortgage backed | Significant Other Observable Inputs (Level 2) | Recurring basis |  |  |
Employee benefits |  |  |
Total plan assets | 960 | 562 |
High yield bonds and bond funds | Carrying Amount | Recurring basis |  |  |
Employee benefits |  |  |
Total plan assets | 4,507 | 4,941 |
High yield bonds and bond funds | Quoted Prices In Active Markets for Identical Assets (Level 1) | Recurring basis |  |  |
Employee benefits |  |  |
Total plan assets |  |  |
High yield bonds and bond funds | Significant Other Observable Inputs (Level 2) | Recurring basis |  |  |
Employee benefits |  |  |
Total plan assets | $ 4,507 | $ 4,941 |

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