Annual report pursuant to Section 13 and 15(d)

NOTES PAYABLE AND LONG-TERM DEBT (Schedule of Change in Rate Based on Leverage Ratio) (Details)

v2.4.1.9
NOTES PAYABLE AND LONG-TERM DEBT (Schedule of Change in Rate Based on Leverage Ratio) (Details)
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Debt Instrument [Line Items]      
Change in rate based on leverage ratio, contractual interest rate 9.625%us-gaap_DebtInstrumentInterestRateStatedPercentage 9.625%us-gaap_DebtInstrumentInterestRateStatedPercentage 9.625%us-gaap_DebtInstrumentInterestRateStatedPercentage
Base Rate [Member] | Less than 3.00 to 1.00 [Member]      
Debt Instrument [Line Items]      
Change in rate based on leverage ratio, contractual interest rate 1.25%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_ExtinguishmentOfDebtAxis
= salm_RangeFiveMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_BaseRateMember
   
Base Rate [Member] | Greater than or equal to 3.00 to 1.00 but less than 4.00 to 1.00 [Member]      
Debt Instrument [Line Items]      
Change in rate based on leverage ratio, contractual interest rate 1.50%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_ExtinguishmentOfDebtAxis
= salm_RangeSixMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_BaseRateMember
   
Base Rate [Member] | Greater than or equal to 4.00 to 1.00 but less than 5.00 to 1.00 [Member]      
Debt Instrument [Line Items]      
Change in rate based on leverage ratio, contractual interest rate 1.75%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_ExtinguishmentOfDebtAxis
= salm_RangeSevenMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_BaseRateMember
   
Base Rate [Member] | Greater than or equal to 5.00 to 1.00 but less than 6.00 to 1.00 [Member]      
Debt Instrument [Line Items]      
Change in rate based on leverage ratio, contractual interest rate 2.00%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_ExtinguishmentOfDebtAxis
= salm_RangeEightMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_BaseRateMember
   
Base Rate [Member] | Greater than or equal to 6.00 to 1.00 [Member]      
Debt Instrument [Line Items]      
Change in rate based on leverage ratio, contractual interest rate 2.50%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_ExtinguishmentOfDebtAxis
= salm_RangeNineMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_BaseRateMember
   
LIBOR Loans [Member] | Less than 3.00 to 1.00 [Member]      
Debt Instrument [Line Items]      
Change in rate based on leverage ratio, contractual interest rate 2.25%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_ExtinguishmentOfDebtAxis
= salm_RangeFiveMember
/ us-gaap_LongtermDebtTypeAxis
= salm_LiborLoansMember
   
LIBOR Loans [Member] | Greater than or equal to 3.00 to 1.00 but less than 4.00 to 1.00 [Member]      
Debt Instrument [Line Items]      
Change in rate based on leverage ratio, contractual interest rate 2.50%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_ExtinguishmentOfDebtAxis
= salm_RangeSixMember
/ us-gaap_LongtermDebtTypeAxis
= salm_LiborLoansMember
   
LIBOR Loans [Member] | Greater than or equal to 4.00 to 1.00 but less than 5.00 to 1.00 [Member]      
Debt Instrument [Line Items]      
Change in rate based on leverage ratio, contractual interest rate 2.75%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_ExtinguishmentOfDebtAxis
= salm_RangeSevenMember
/ us-gaap_LongtermDebtTypeAxis
= salm_LiborLoansMember
   
LIBOR Loans [Member] | Greater than or equal to 5.00 to 1.00 but less than 6.00 to 1.00 [Member]      
Debt Instrument [Line Items]      
Change in rate based on leverage ratio, contractual interest rate 3.00%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_ExtinguishmentOfDebtAxis
= salm_RangeEightMember
/ us-gaap_LongtermDebtTypeAxis
= salm_LiborLoansMember
   
LIBOR Loans [Member] | Greater than or equal to 6.00 to 1.00 [Member]      
Debt Instrument [Line Items]      
Change in rate based on leverage ratio, contractual interest rate 3.50%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_ExtinguishmentOfDebtAxis
= salm_RangeNineMember
/ us-gaap_LongtermDebtTypeAxis
= salm_LiborLoansMember
   
Less than 3.25 to 1.00 [Member] | Base Rate [Member]      
Debt Instrument [Line Items]      
Change in rate based on leverage ratio, contractual interest rate 0.75%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= salm_RangeOneMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_BaseRateMember
   
Less than 3.25 to 1.00 [Member] | Eurodollar Rate Loans [Member]      
Debt Instrument [Line Items]      
Change in rate based on leverage ratio, contractual interest rate 2.25%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= salm_RangeOneMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_EurodollarMember
   
Less than 3.25 to 1.00 [Member] | Applicable Fee Rate [Member]      
Debt Instrument [Line Items]      
Change in rate based on leverage ratio, contractual interest rate 0.40%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= salm_RangeOneMember
/ us-gaap_LongtermDebtTypeAxis
= salm_ApplicableFeeRateMember
   
Greater than or equal to 3.25 to 1.00 but less than 4.50 to 1.00 [Member] | Base Rate [Member]      
Debt Instrument [Line Items]      
Change in rate based on leverage ratio, contractual interest rate 0.75%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= salm_RangeTwoMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_BaseRateMember
   
Greater than or equal to 3.25 to 1.00 but less than 4.50 to 1.00 [Member] | Eurodollar Rate Loans [Member]      
Debt Instrument [Line Items]      
Change in rate based on leverage ratio, contractual interest rate 2.50%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= salm_RangeTwoMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_EurodollarMember
   
Greater than or equal to 3.25 to 1.00 but less than 4.50 to 1.00 [Member] | Applicable Fee Rate [Member]      
Debt Instrument [Line Items]      
Change in rate based on leverage ratio, contractual interest rate 0.50%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= salm_RangeTwoMember
/ us-gaap_LongtermDebtTypeAxis
= salm_ApplicableFeeRateMember
   
Greater than or equal to 4.50 to 1.00 but less than 6.00 to 1.00 [Member] | Base Rate [Member]      
Debt Instrument [Line Items]      
Change in rate based on leverage ratio, contractual interest rate 1.25%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= salm_RangeThreeMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_BaseRateMember
   
Greater than or equal to 4.50 to 1.00 but less than 6.00 to 1.00 [Member] | Eurodollar Rate Loans [Member]      
Debt Instrument [Line Items]      
Change in rate based on leverage ratio, contractual interest rate 3.00%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= salm_RangeThreeMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_EurodollarMember
   
Greater than or equal to 4.50 to 1.00 but less than 6.00 to 1.00 [Member] | Applicable Fee Rate [Member]      
Debt Instrument [Line Items]      
Change in rate based on leverage ratio, contractual interest rate 0.60%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= salm_RangeThreeMember
/ us-gaap_LongtermDebtTypeAxis
= salm_ApplicableFeeRateMember
   
Greater than or equal to 6.00 to 1.00 [Member] | Base Rate [Member]      
Debt Instrument [Line Items]      
Change in rate based on leverage ratio, contractual interest rate 2.25%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= salm_RangeFourMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_BaseRateMember
   
Greater than or equal to 6.00 to 1.00 [Member] | Eurodollar Rate Loans [Member]      
Debt Instrument [Line Items]      
Change in rate based on leverage ratio, contractual interest rate 3.50%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= salm_RangeFourMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_EurodollarMember
   
Greater than or equal to 6.00 to 1.00 [Member] | Applicable Fee Rate [Member]      
Debt Instrument [Line Items]      
Change in rate based on leverage ratio, contractual interest rate 0.75%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= salm_RangeFourMember
/ us-gaap_LongtermDebtTypeAxis
= salm_ApplicableFeeRateMember