v2.4.1.9
ACQUIRED INTANGIBLE ASSETS, NET (Narrative) (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
ACQUIRED INTANGIBLE ASSETS, NET [Abstract]      
Amortization of acquired intangible assets $ 4,991us-gaap_AmortizationOfIntangibleAssets $ 3,480us-gaap_AmortizationOfIntangibleAssets $ 3,056us-gaap_AmortizationOfIntangibleAssets
2015 5,275us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo    
2016 4,560us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree    
2017 2,989us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour    
2018 2,236us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive    
2019 1,765us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive    
Impairment loss recognized 820us-gaap_ImpairmentOfIntangibleAssetsFinitelived      
Impairment loss 820us-gaap_ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill      
Carrying value of intangible assets disposed 444us-gaap_DisposalGroupIncludingDiscontinuedOperationIntangibleAssets 16us-gaap_DisposalGroupIncludingDiscontinuedOperationIntangibleAssets 43us-gaap_DisposalGroupIncludingDiscontinuedOperationIntangibleAssets
Loss on disposal of intangible assets $ 420us-gaap_GainLossOnDispositionOfIntangibleAssets