Annual report pursuant to Section 13 and 15(d)

FAIR VALUE ACCOUNTING (Summary of Fair Value of Financial Assets Measured at Fair Value (Details)

v2.4.1.9
FAIR VALUE ACCOUNTING (Summary of Fair Value of Financial Assets Measured at Fair Value (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Assets: [Abstract]    
Cash and cash equivalents $ 33us-gaap_CashAndCashEquivalentsFairValueDisclosure  
Trade accounts receivable, net 34,781us-gaap_AccountsReceivableFairValueDisclosure  
Fair value of interest rate swap 475us-gaap_DerivativeFairValueOfDerivativeAsset 3,177us-gaap_DerivativeFairValueOfDerivativeAsset
Liabilities: [Abstract]    
Accounts payable 2,964us-gaap_AccountsPayableFairValueDisclosure  
Accrued expenses including estimated fair value of contingent earn-out consideration 12,704us-gaap_AccruedLiabilitiesFairValueDisclosure  
Accrued interest 48salm_AccruedInterestPayableFairValueDisclosure  
Long term liabilities including estimated fair value of contingent earn-out consideration 4,123us-gaap_OtherLiabilitiesNoncurrent 452us-gaap_OtherLiabilitiesNoncurrent
Long-term debt 277,505us-gaap_LongTermDebtFairValue  
Quoted prices in active markets (Level 1) [Member]    
Assets: [Abstract]    
Cash and cash equivalents 33us-gaap_CashAndCashEquivalentsFairValueDisclosure
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel1Member
 
Trade accounts receivable, net 34,781us-gaap_AccountsReceivableFairValueDisclosure
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel1Member
 
Fair value of interest rate swap     
Liabilities: [Abstract]    
Accounts payable 2,964us-gaap_AccountsPayableFairValueDisclosure
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel1Member
 
Accrued expenses including estimated fair value of contingent earn-out consideration 11,129us-gaap_AccruedLiabilitiesFairValueDisclosure
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel1Member
 
Accrued interest 48salm_AccruedInterestPayableFairValueDisclosure
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel1Member
 
Long term liabilities including estimated fair value of contingent earn-out consideration 2,413us-gaap_OtherLiabilitiesNoncurrent
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel1Member
 
Long-term debt 277,505us-gaap_LongTermDebtFairValue
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel1Member
 
Significant Other Observable Inputs (Level 2) [Member]    
Assets: [Abstract]    
Cash and cash equivalents     
Trade accounts receivable, net     
Fair value of interest rate swap 475us-gaap_DerivativeFairValueOfDerivativeAsset
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel2Member
 
Liabilities: [Abstract]    
Accounts payable     
Accrued expenses including estimated fair value of contingent earn-out consideration     
Accrued interest     
Long term liabilities including estimated fair value of contingent earn-out consideration     
Long-term debt     
Significant Unobservable Inputs (Level 3) [Member]    
Assets: [Abstract]    
Cash and cash equivalents     
Trade accounts receivable, net     
Fair value of interest rate swap     
Liabilities: [Abstract]    
Accounts payable     
Accrued expenses including estimated fair value of contingent earn-out consideration 1,575us-gaap_AccruedLiabilitiesFairValueDisclosure
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member
 
Accrued interest     
Long term liabilities including estimated fair value of contingent earn-out consideration 1,710us-gaap_OtherLiabilitiesNoncurrent
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member
 
Long-term debt