Quarterly report pursuant to Section 13 or 15(d)

NOTES PAYABLE AND LONG-TERM DEBT (Narrative) (Details)

v2.4.1.9
NOTES PAYABLE AND LONG-TERM DEBT (Narrative) (Details) (USD $)
3 Months Ended 0 Months Ended 1 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Jan. 30, 2015
Mar. 14, 2013
Sep. 30, 2013
Mar. 14, 2013
Dec. 31, 2014
Debt Instrument [Line Items]              
Bank loan fees written off in conjunction with the early retirement of debt $ 158,000us-gaap_AmortizationOfFinancingCosts $ 172,000us-gaap_AmortizationOfFinancingCosts          
Loss on early retirement of long-term debt (41,000)us-gaap_GainsLossesOnExtinguishmentOfDebt (8,000)us-gaap_GainsLossesOnExtinguishmentOfDebt          
Debt, accrued interest 43,000us-gaap_InterestPayableCurrent           48,000us-gaap_InterestPayableCurrent
Term Loan B [Member]              
Debt Instrument [Line Items]              
Credit facility, borrowing capacity 274,000,000us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
/ us-gaap_DebtInstrumentAxis
= salm_TermBLoanMember
    300,000,000us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
/ us-gaap_DebtInstrumentAxis
= salm_TermBLoanMember
  300,000,000us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
/ us-gaap_DebtInstrumentAxis
= salm_TermBLoanMember
 
Interest expense 46,000us-gaap_InterestExpenseDebt
/ us-gaap_DebtInstrumentAxis
= salm_TermBLoanMember
46,000us-gaap_InterestExpenseDebt
/ us-gaap_DebtInstrumentAxis
= salm_TermBLoanMember
         
Bank loan fees written off in conjunction with the early retirement of debt 27,000us-gaap_AmortizationOfFinancingCosts
/ us-gaap_DebtInstrumentAxis
= salm_TermBLoanMember
27,000us-gaap_AmortizationOfFinancingCosts
/ us-gaap_DebtInstrumentAxis
= salm_TermBLoanMember
27,000us-gaap_AmortizationOfFinancingCosts
/ us-gaap_DebtInstrumentAxis
= salm_TermBLoanMember
       
Debt, issued at discount       298,500,000us-gaap_SeniorLongTermNotes
/ us-gaap_DebtInstrumentAxis
= salm_TermBLoanMember
  298,500,000us-gaap_SeniorLongTermNotes
/ us-gaap_DebtInstrumentAxis
= salm_TermBLoanMember
 
Term loan maturity year       7 years 7 years    
Additional term loan amount increased           60,000,000us-gaap_ProceedsFromIssuanceOfDebt
/ us-gaap_DebtInstrumentAxis
= salm_TermBLoanMember
 
Credit facility, quarterly consecutive principal payments         750,000us-gaap_DebtInstrumentPeriodicPaymentPrincipal
/ us-gaap_DebtInstrumentAxis
= salm_TermBLoanMember
   
Loss on early retirement of long-term debt     15,000us-gaap_GainsLossesOnExtinguishmentOfDebt
/ us-gaap_DebtInstrumentAxis
= salm_TermBLoanMember
       
Floor percentage on Term Loan 1.00%salm_FloorRateOnTermLoan
/ us-gaap_DebtInstrumentAxis
= salm_TermBLoanMember
           
Debt, interest rate over LIBOR 3.50%salm_DebtInstrumentInterestAdditionalInterestAboveLondonInterbankOfferedRateRate
/ us-gaap_DebtInstrumentAxis
= salm_TermBLoanMember
           
Debt, interest rate above base rate 2.50%salm_DebtInstrumentInterestAdditionalInterestAboveBaseRate
/ us-gaap_DebtInstrumentAxis
= salm_TermBLoanMember
           
Debt, increase in interest rate if default occurs 2.00%salm_LineOfCreditDefaultRateAboveApplicableInterestRate
/ us-gaap_DebtInstrumentAxis
= salm_TermBLoanMember
           
Blended interest rate on amounts outstanding 5.06%us-gaap_DebtInstrumentInterestRateEffectivePercentage
/ us-gaap_DebtInstrumentAxis
= salm_TermBLoanMember
           
Debt, issuance of principal amount     300,000,000us-gaap_DebtInstrumentFaceAmount
/ us-gaap_DebtInstrumentAxis
= salm_TermBLoanMember
       
Credit facility, floating rate, interest above prime rate 2.50%salm_DebtInstrumentInterestAdditionalInterestAbovePrimeRate
/ us-gaap_DebtInstrumentAxis
= salm_TermBLoanMember
           
Debt, interest rate above LIBOR 3.50%salm_DebtInstrumentInterestOverLondonInterbankOfferedRateRate
/ us-gaap_DebtInstrumentAxis
= salm_TermBLoanMember
           
Revolver [Member]              
Debt Instrument [Line Items]              
Credit facility, borrowing capacity $ 500,000us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
/ us-gaap_DebtInstrumentAxis
= salm_RevolverMember
    $ 25,000,000us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
/ us-gaap_DebtInstrumentAxis
= salm_RevolverMember
  $ 25,000,000us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
/ us-gaap_DebtInstrumentAxis
= salm_RevolverMember
 
Term loan maturity year           5 years  
Debt, interest rate over LIBOR 3.00%salm_DebtInstrumentInterestAdditionalInterestAboveLondonInterbankOfferedRateRate
/ us-gaap_DebtInstrumentAxis
= salm_RevolverMember
           
Debt, interest rate above base rate 2.00%salm_DebtInstrumentInterestAdditionalInterestAboveBaseRate
/ us-gaap_DebtInstrumentAxis
= salm_RevolverMember
           
Commitment fees on any unused portion 0.50%us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage
/ us-gaap_DebtInstrumentAxis
= salm_RevolverMember
           
Revolver under senior credit facility [Member]              
Debt Instrument [Line Items]              
Revolving credit facility, covenant description
With respect to financial covenants, the credit agreement includes a minimum interest coverage ratio, which started at 1.50 to 1.0 and steps up to 2.50 to 1.0 by 2016 and a maximum leverage ratio, which started at 6.75 to 1.0 and steps down to 5.75 to 1.0 by 2017.  The credit agreement also includes other negative covenants that are customary for credit facilities of this type, including covenants that, subject to exceptions described in the credit agreement, restrict the ability of Salem and its subsidiary guarantors
           
Interest coverage ratio 3.25%salm_InterestCoverageRatio
/ us-gaap_DebtInstrumentAxis
= us-gaap_RevolvingCreditFacilityMember
          2.25%salm_InterestCoverageRatio
/ us-gaap_DebtInstrumentAxis
= us-gaap_RevolvingCreditFacilityMember
Leverage ratio 5.35%salm_LeverageRatio
/ us-gaap_DebtInstrumentAxis
= us-gaap_RevolvingCreditFacilityMember
           
Revolver under senior credit facility [Member] | Minimum [Member]              
Debt Instrument [Line Items]              
Leverage ratio 5.75%salm_LeverageRatio
/ us-gaap_DebtInstrumentAxis
= us-gaap_RevolvingCreditFacilityMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
           
Revolver under senior credit facility [Member] | Maximum [Member]              
Debt Instrument [Line Items]              
Leverage ratio 6.25%salm_LeverageRatio
/ us-gaap_DebtInstrumentAxis
= us-gaap_RevolvingCreditFacilityMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
          6.75%salm_LeverageRatio
/ us-gaap_DebtInstrumentAxis
= us-gaap_RevolvingCreditFacilityMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
Revolver under senior credit facility [Member] | Covenant requirement [Member] | Minimum [Member]              
Debt Instrument [Line Items]              
Interest coverage ratio 1.50%salm_InterestCoverageRatio
/ us-gaap_DebtInstrumentAxis
= us-gaap_RevolvingCreditFacilityMember
/ us-gaap_LongtermDebtTypeAxis
= salm_CovenantRequirementMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
           
Revolver under senior credit facility [Member] | Covenant requirement [Member] | Maximum [Member]              
Debt Instrument [Line Items]              
Interest coverage ratio 2.50%salm_InterestCoverageRatio
/ us-gaap_DebtInstrumentAxis
= us-gaap_RevolvingCreditFacilityMember
/ us-gaap_LongtermDebtTypeAxis
= salm_CovenantRequirementMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember