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STOCK-BASED COMPENSATION - Other (Details) - Peter C. Georgiopoulos, Chairman of Board - USD ($) $ / shares in Units, $ in Thousands |  | 3 Months Ended
--- | --- | ---
Oct. 13, 2016 | Dec. 31, 2016
Stock Awards |  |
Warrants exercisable | 213,937 |
Minimum |  |
Stock Awards |  |
Exercise price per share | $ 259.10 |
Maximum |  |
Stock Awards |  |
Exercise price per share | $ 341.90 |
Separation and release agreement |  |
Stock Awards |  |
Severance payment | $ 500 |
Restricted Stock |  |
Stock Awards |  |
Vested (in shares) | 68,581 |
Restricted Awards and Warrants |  |
Stock Awards |  |
Recognized nonvested stock amortization expense |  | $ 5,317

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