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SHAREHOLDERS' EQUITY (Details) - USD ($) |  |  | 12 Months Ended | 19 Months Ended
--- | --- | --- | --- | ---
Jun. 02, 2014 | Nov. 14, 2012 | Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2015
Equity [Abstract] |  |  |  |  |
Stock repurchase program, authorized amount | $ 50,000,000.0 | $ 50,000,000.0 |  |  |
Stock Repurchase Program, Authorized Period in Force | 12 months | 12 months |  |  |
Shares repurchased during the period |  |  | 195,599 | 205,902 | 956,362
Treasury Stock, Value, Acquired, Cost Method |  |  | $ 5,500,000 | $ 5,200,000 | $ 29,500,000

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