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STOCKHOLDERS' EQUITY Narrative (Details) - USD ($) | Nov. 14, 2018 | Mar. 31, 2019 | Dec. 31, 2018
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Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |
Stock repurchase program, period in force | 3 years |  |
Stock repurchase program, authorized amount | $ 100,000,000 |  |
Stock repurchase program, remaining authorized repurchase amount |  | $ 100,000,000 |
Common stock, shares authorized (in shares) |  | 200,000,000 | 200,000,000
Common stock, par value (in usd per share) |  | $ 0.01 | $ 0.01
Preferred Class A |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |
Preferred stock, shares authorized (in shares) |  | 25,000,000 |

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