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INCOME TAXES (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2015
Dec. 31, 2014
INCOME TAXES [Abstract]    
Estimated fair value $ 1,976us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromAcquisition  
Indemnification asset 1,976us-gaap_BusinessCombinationIndemnificationAssetsAmountAsOfAcquisitionDate  
Unrecognized tax benefits 5,400us-gaap_UnrecognizedTaxBenefits 5,200us-gaap_UnrecognizedTaxBenefits
Accrued interest and penalties $ 1,810us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued $ 1,643us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued