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Debt - Additional Information (Detail)
In Thousands, unless otherwise specified
6 Months Ended 6 Months Ended
Jun. 30, 2013
Jun. 30, 2013
Credit Facility One
Jun. 04, 2013
Credit Facility One
USD ($)
Jun. 04, 2013
Credit Facility One
CNY
Jun. 30, 2013
Credit Facility Two
Jun. 04, 2013
Credit Facility Two
USD ($)
Jun. 04, 2013
Credit Facility Two
CNY
Jun. 30, 2013
Credit Facility
USD ($)
Jun. 30, 2013
Credit Facility
CNY
Jun. 04, 2013
KSCP
USD ($)
Line of Credit Facility [Line Items]                    
Percentage of remaining equity interest acquired                   50.00%
Credit facilities assumed in a business combination     $ 5,987 37,000   $ 13,431 83,000     $ 19,095
Period of credit facility 5 years                  
Outstanding credit facilities               $ 19,095 118,000  
Credit facility, interest rate               6.00% 6.00%  
Debt covenant, maximum liquidity ratio that triggers acceleration of repayment   70.00%     80.00%          
Debt covenant, projected revenue below which triggers acceleration of repayment 50.00%