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STOCK-BASED COMPENSATION - Restricted Stock Activity Under Omnibus Plan (Detail)
6 Months Ended
Jun. 30, 2018
$ / shares
shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Number of non-vested shares of restricted stock, beginning of period | shares 1,816,968
Granted shares of restricted stock | shares 342,439
Vested | shares (1,086,822)
Forefeited | shares (9,500)
Number of non-vested shares of restricted stock, end of period | shares 1,063,085
Weighted-Average Grant Date Fair Value, beginning of period | $ / shares $ 2.76
Weighted-Average Grant Date Fair Value of Stocks | $ / shares 6.3
Weighted-Averages Grant Date Dair Value, Forefeitures | $ / shares 2.99
Weighted-Averages Grant Date Fair Value, Vested | $ / shares 2.09
Weighted-Average Grant Date Fair Value, end of period | $ / shares $ 4.59