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STOCKHOLDERS' EQUITY (Div and Treas) (Details) - USD ($) $ / shares in Units, $ in Thousands |  | 3 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | ---
Apr. 26, 2016 | Mar. 31, 2016 | Mar. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2015 | Oct. 31, 2015
Dividends on Common Stock |  |  |  |  |  |
Dividends declared (in dollars per share) |  | $ 0.08 | $ 0.06 |  |  |
Dividend Amount |  | $ 2,088 | $ 1,584 |  |  |
Treasury Stock |  |  |  |  |  |
Aggregate cost of shares repurchased during the period |  | 2,602 | $ 2,459 |  |  |
Stock Repurchase Program |  |  |  |  |  |
Treasury Stock |  |  |  |  |  |
Amount of stock repurchases authorized |  |  |  |  |  | $ 50,000
Amount available for repurchase |  | 44,600 |  |  | $ 47,200 |
Number of shares repurchased during the period |  |  |  | 133,959 |  |
Aggregate cost of shares repurchased during the period |  | $ 2,600 |  |  |  |
Subsequent Event |  |  |  |  |  |
Dividends on Common Stock |  |  |  |  |  |
Dividends declared (in dollars per share) | $ 0.08 |  |  |  |  |

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