STOCK BASED COMPENSATION - Additional Information (Detail)	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected dividend yield	0.00%	0.00%	0.00%	0.00%
Ratio of share reserve related to RSUs granted			2
Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock units, vesting period			3 years
Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock units, vesting period			5 years