Annual report pursuant to Section 13 and 15(d)

PROPERTY AND EQUIPMENT (Narrative) (Details)

v2.4.1.9
PROPERTY AND EQUIPMENT (Narrative) (Details) (USD $)
1 Months Ended 12 Months Ended
Dec. 31, 2012
Jun. 30, 2012
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Property, Plant, and Equipment Disclosure [Line Items]          
Depreciation expense     $ 12,600,000us-gaap_Depreciation $ 12,400,000us-gaap_Depreciation $ 12,300,000us-gaap_Depreciation
Capital Lease Obligations     800,000us-gaap_CapitalLeaseObligations    
Accumulated depreciation on Capital Lease     155,495,000us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment 145,215,000us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment  
Impairment Charges Land Held For Sale 1,200,000salm_ImpairmentChargesLandHeldForSale 5,600,000salm_ImpairmentChargesLandHeldForSale 0salm_ImpairmentChargesLandHeldForSale 0salm_ImpairmentChargesLandHeldForSale  
Capital Lease [Member]          
Property, Plant, and Equipment Disclosure [Line Items]          
Depreciation expense     53,000us-gaap_Depreciation
/ us-gaap_LongtermDebtTypeAxis
= salm_CapitalLeaseMember
53,000us-gaap_Depreciation
/ us-gaap_LongtermDebtTypeAxis
= salm_CapitalLeaseMember
53,000us-gaap_Depreciation
/ us-gaap_LongtermDebtTypeAxis
= salm_CapitalLeaseMember
Accumulated depreciation on Capital Lease $ 291,000us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
/ us-gaap_LongtermDebtTypeAxis
= salm_CapitalLeaseMember
  $ 411,000us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
/ us-gaap_LongtermDebtTypeAxis
= salm_CapitalLeaseMember
$ 344,000us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
/ us-gaap_LongtermDebtTypeAxis
= salm_CapitalLeaseMember
$ 291,000us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
/ us-gaap_LongtermDebtTypeAxis
= salm_CapitalLeaseMember