Annual report pursuant to Section 13 and 15(d)

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)

v2.4.1.9
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