SHARE-BASED COMPENSATION - Summary of Restricted Stock Unit Activity (Detail) (Restricted Stock Units (RSUs), USD $) In Thousands, except Share data, unless otherwise specified	1 Months Ended	9 Months Ended
	Apr. 30, 2013	Sep. 30, 2013
Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Balance beginning of period (units)		680,185
Granted (units)	54,730	103,730
Vested (units)		(195,940)
Balance end of period (units)		587,975
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Roll Forward]
Weighted Average Grant Date Fair Value, beginning of period (in USD per share)		$ 8.88
Weighted Average Grant Date Fair Value, Awards granted (in USD per share)		$ 11.70
Weighted Average Grant Date Fair Value, Awards vested (in USD per share)		$ 8.62
Weighted Average Grant Date Fair Value, end of period (in USD per share)		$ 9.46
Unamortized Compensation Expense		$ 3,075	[1]

[1] Expected to be recognized over the next three years.