CERTAIN RISKS AND CONCENTRATION - Additional Information (Detail)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Concentration Risk [Line Items]
Number of customers with greater than ten percent revenue	2	2	2
Percentage of total accounts receivables	37.80%
Customer 1
Concentration Risk [Line Items]
Concentration Risk, Percentage	25.50%	31.70%	25.30%
Number of customers with greater than ten percent of total accounts receivable		1
Percentage of total accounts receivables		48.50%
Customer 2
Concentration Risk [Line Items]
Concentration Risk, Percentage	12.30%	12.90%	10.60%
Number of customers with greater than ten percent of total accounts receivable		2
Percentage of total accounts receivables		14.60%