Quarterly report pursuant to Section 13 or 15(d)

SUBSEQUENT EVENTS (Details)

v2.4.1.9
SUBSEQUENT EVENTS (Details) (USD $)
3 Months Ended 0 Months Ended
Mar. 31, 2015
Feb. 20, 2015
Apr. 07, 2015
Apr. 01, 2015
May 06, 2015
May 07, 2015
Subsequent Event [Line Items]            
Purchase price $ 1,580,000us-gaap_BusinessCombinationConsiderationTransferred1          
Radio station WDWD-AM in Atlanta, Georgia [Member]            
Subsequent Event [Line Items]            
Acquisition date   Feb. 20, 2015        
Cash paid for business acquisition   2,800,000salm_BusinessAcquisitionCostOfAcquiredEntityCashPaidNet
/ us-gaap_BusinessAcquisitionAxis
= salm_BusinessAcquisitionFortyOneMember
       
Purchase price   2,800,000us-gaap_BusinessCombinationConsiderationTransferred1
/ us-gaap_BusinessAcquisitionAxis
= salm_BusinessAcquisitionFortyOneMember
       
Subsequent Event [Member]            
Subsequent Event [Line Items]            
Cash paid to acquire land in Greenville, South Carolina     200,000us-gaap_PaymentsToAcquirePropertyPlantAndEquipment
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
     
Subsequent Event [Member] | Radio station KKSP-FM in Little Rock, Arkansas [Member]            
Subsequent Event [Line Items]            
Acquisition date       Apr. 01, 2015    
Cash paid for business acquisition       1,500,000salm_BusinessAcquisitionCostOfAcquiredEntityCashPaidNet
/ us-gaap_BusinessAcquisitionAxis
= salm_BusinessAcquisitionFortyTwoMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
   
Subsequent Event [Member] | Domain names and mobile applications for Daily Bible Devotion [Member]            
Subsequent Event [Line Items]            
Acquisition date         May 06, 2015  
Cash paid for business acquisition         1,100,000salm_BusinessAcquisitionCostOfAcquiredEntityCashPaidNet
/ us-gaap_BusinessAcquisitionAxis
= salm_BusinessAcquisitionFortyThreeMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
 
Maximum additional contingent earn-out consideration payable         300,000us-gaap_BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh
/ us-gaap_BusinessAcquisitionAxis
= salm_BusinessAcquisitionFortyThreeMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
 
Contingent earn-out consideration achievement of milestone period         2 years  
Subsequent Event [Member] | Radio station WDWD-AM in Atlanta, Georgia [Member]            
Subsequent Event [Line Items]            
Acquisition date           May 07, 2015
Cash paid for business acquisition           $ 2,800,000salm_BusinessAcquisitionCostOfAcquiredEntityCashPaidNet
/ us-gaap_BusinessAcquisitionAxis
= salm_BusinessAcquisitionFortyOneMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember