DEBT - Summary of debt and interest payment obligations (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013
Debt Disclosure [Abstract]
Debt payment obligations, 2014 (remainder)	$ 2,500
Interest payments on debt payment obligations, 2014 (remainder)	911
Total, 2014 (remainder)	3,411
Debt payment obligations, 2015	6,875
Interest payments on debt payment obligations, 2015	1,723
Total, 2015	8,598
Debt payment obligations, 2016	39,375
Interest payments on debt payment obligations, 2016	1,043
Total, 2016	40,418
Debt payment obligations, 2017	10,000
Interest payments on debt payment obligations, 2017	532
Total, 2017	10,532
Debt payment obligations, 2018	15,000
Interest payments on debt payment obligations, 2018	125
Total, 2018	15,125
Debt payment obligations	73,750
Interest payments on debt payment obligations	4,334
Total	$ 78,084