EMPLOYEE BENEFIT PLANS (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended 12 Months Ended 1 Months Ended
Dec. 31, 2013
item
Dec. 31, 2012
item
Dec. 31, 2013
Multi-employer defined contribution plan
Dec. 31, 2013
Multi-employer defined contribution plan
PRC
Dec. 31, 2012
Multi-employer defined contribution plan
PRC
Dec. 31, 2011
Multi-employer defined contribution plan
PRC
Dec. 31, 2013
Multi-employer defined contribution plan
PRC
Minimum
Dec. 31, 2013
Multi-employer defined contribution plan
PRC
Maximum
Dec. 31, 2013
401(k) retirement plan
Dec. 31, 2012
401(k) retirement plan
Dec. 31, 2011
401(k) retirement plan
Nov. 30, 2008
401(k) retirement plan
Maximum
Defined contribution plan                        
Percentage of employees' salaries on which the entity has to accrue benefits as per labor regulations             33.50% 45.90%        
Employer matching contribution (as a percent)                       3.00%
Total contribution to the plan       $ 1,024 $ 1,324 $ 1,045     $ 2 $ 74 $ 155  
Additional legal obligations or liabilities     0           0      
Defined benefit plan                        
Number of former executive officers for whom the defined benefit plan is established 2                      
Number of former executive officers whose salaries and length of service periods are considered for guaranteed retirement benefit 2                      
Number of former executive officers terminated their employment relationship with the Company and opted to have a lump sum cash distribution   2                    
Accumulated defined benefit   244                    
Assets and obligation   $ 0