RESTRICTED CASH AND TIME DEPOSITS (Detail) (USD $) In Thousands, unless otherwise specified	0 Months Ended
	Oct. 15, 2014	Dec. 31, 2013	Dec. 31, 2012
Restricted Cash and Cash Equivalents [Line Items]
Time deposits		$ 1,188	$ 1,006
Restricted Cash And Time Deposits		1,711	2,133
Time deposits original maturity period	Oct. 15, 2014
Interest rate of time deposits (in hundredths)		2.05%	2.95%
Client Contracts [Member]
Restricted Cash and Cash Equivalents [Line Items]
Short-term security deposits		298	660
Employee Loan Programs [Member] | Noncurrent Assets [Member]
Restricted Cash and Cash Equivalents [Line Items]
Long-term deposits		225	360
Operating Leases [Member] | Noncurrent Assets [Member]
Restricted Cash and Cash Equivalents [Line Items]
Long-term deposits		$ 0	$ 107