INCOME TAXES - Summary of Changes in Unrecognized Tax Positions (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Change in Unrecognized Tax Positions [Roll Forward]
Unrecognized tax positions, beginning of year	$ 16,104	$ 10,772
Gross increases - tax positions in prior period	267	2,284
Gross decreases - tax positions in prior period	(1,129)	0
Gross increases - current period tax positions	2,514	4,119
Settlement	0	0
Lapse of statute of limitations	(2,846)	(1,071)
Unrecognized tax positions, end of year	$ 14,910	$ 16,104