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IMPAIRMENT OF GOODWILL AND OTHER INDEFINITE-LIVED INTANGIBLE ASSETS (Schedule of Key Estimates and Assumptions For Discounted Cash Flow Method is Applied to Calculate Estimated Fair Value of Mastheads (Detail) (Mastheads [Member])
 6 Months Ended 12 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Fair Value Inputs, Assets, Quantitative Information [Line Items]          
Risk adjusted discount rate 9.00%us-gaap_FairValueInputsDiscountRate 8.50%us-gaap_FairValueInputsDiscountRate 8.00%us-gaap_FairValueInputsDiscountRate 9.50%us-gaap_FairValueInputsDiscountRate 8.50%us-gaap_FairValueInputsDiscountRate
Royalty growth rate 3.00%salm_RoyaltyRatePercentage 3.00%salm_RoyaltyRatePercentage 3.00%salm_RoyaltyRatePercentage 2.00%salm_RoyaltyRatePercentage 3.00%salm_RoyaltyRatePercentage
Minimum [Member]
          
Fair Value Inputs, Assets, Quantitative Information [Line Items]          
Risk adjusted discount rate       9.00%us-gaap_FairValueInputsDiscountRate
/ us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis
= salm_GoodwillAndMagazineMastheadsMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember		  
Projected revenue growth ranges 1.00%us-gaap_FairValueInputsLongTermRevenueGrowthRate
/ us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis
= salm_GoodwillAndMagazineMastheadsMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember		 1.50%us-gaap_FairValueInputsLongTermRevenueGrowthRate
/ us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis
= salm_GoodwillAndMagazineMastheadsMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember		 (4.80%)us-gaap_FairValueInputsLongTermRevenueGrowthRate
/ us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis
= salm_GoodwillAndMagazineMastheadsMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember		 1.20%us-gaap_FairValueInputsLongTermRevenueGrowthRate
/ us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis
= salm_GoodwillAndMagazineMastheadsMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember		 1.50%us-gaap_FairValueInputsLongTermRevenueGrowthRate
/ us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis
= salm_GoodwillAndMagazineMastheadsMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
Royalty growth rate       2.00%salm_RoyaltyRatePercentage
/ us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis
= salm_GoodwillAndMagazineMastheadsMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember		  
Maximum [Member]
          
Fair Value Inputs, Assets, Quantitative Information [Line Items]          
Risk adjusted discount rate       9.50%us-gaap_FairValueInputsDiscountRate
/ us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis
= salm_GoodwillAndMagazineMastheadsMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember		  
Projected revenue growth ranges 2.80%us-gaap_FairValueInputsLongTermRevenueGrowthRate
/ us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis
= salm_GoodwillAndMagazineMastheadsMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember		 2.50%us-gaap_FairValueInputsLongTermRevenueGrowthRate
/ us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis
= salm_GoodwillAndMagazineMastheadsMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember		 1.40%us-gaap_FairValueInputsLongTermRevenueGrowthRate
/ us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis
= salm_GoodwillAndMagazineMastheadsMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember		 2.50%us-gaap_FairValueInputsLongTermRevenueGrowthRate
/ us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis
= salm_GoodwillAndMagazineMastheadsMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember		 3.00%us-gaap_FairValueInputsLongTermRevenueGrowthRate
/ us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis
= salm_GoodwillAndMagazineMastheadsMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
Royalty growth rate       3.00%salm_RoyaltyRatePercentage
/ us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis
= salm_GoodwillAndMagazineMastheadsMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember