Annual report pursuant to Section 13 and 15(d)

ACQUISITIONS AND RECENT TRANSACTIONS (Schedule of Repayments of Debt) (Details)

v2.4.1.9
ACQUISITIONS AND RECENT TRANSACTIONS (Schedule of Repayments of Debt) (Details) (Term Loan B [Member], USD $)
In Thousands, unless otherwise specified
0 Months Ended 9 Months Ended 12 Months Ended
Dec. 31, 2014
Nov. 28, 2014
Sep. 29, 2014
Mar. 31, 2014
Dec. 30, 2013
Sep. 30, 2013
Jun. 28, 2013
Sep. 30, 2013
Dec. 31, 2014
Term Loan B [Member]
                 
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]                  
Principal Paid $ 4,000us-gaap_PaymentsForLoans
/ us-gaap_DebtInstrumentAxis
= salm_TermBLoanMember
$ 4,000us-gaap_PaymentsForLoans
/ us-gaap_DebtInstrumentAxis
= salm_TermBLoanMember
$ 5,000us-gaap_PaymentsForLoans
/ us-gaap_DebtInstrumentAxis
= salm_TermBLoanMember
$ 2,250us-gaap_PaymentsForLoans
/ us-gaap_DebtInstrumentAxis
= salm_TermBLoanMember
$ 750us-gaap_PaymentsForLoans
/ us-gaap_DebtInstrumentAxis
= salm_TermBLoanMember
$ 4,000us-gaap_PaymentsForLoans
/ us-gaap_DebtInstrumentAxis
= salm_TermBLoanMember
$ 4,000us-gaap_PaymentsForLoans
/ us-gaap_DebtInstrumentAxis
= salm_TermBLoanMember
$ 4,000us-gaap_PaymentsForLoans
/ us-gaap_DebtInstrumentAxis
= salm_TermBLoanMember
$ 15,300us-gaap_PaymentsForLoans
/ us-gaap_DebtInstrumentAxis
= salm_TermBLoanMember
Unamortized Discount $ 16us-gaap_DebtInstrumentUnamortizedDiscount
/ us-gaap_DebtInstrumentAxis
= salm_TermBLoanMember
$ 15us-gaap_DebtInstrumentUnamortizedDiscount
/ us-gaap_DebtInstrumentAxis
= salm_TermBLoanMember
$ 18us-gaap_DebtInstrumentUnamortizedDiscount
/ us-gaap_DebtInstrumentAxis
= salm_TermBLoanMember
$ 8us-gaap_DebtInstrumentUnamortizedDiscount
/ us-gaap_DebtInstrumentAxis
= salm_TermBLoanMember
$ 3us-gaap_DebtInstrumentUnamortizedDiscount
/ us-gaap_DebtInstrumentAxis
= salm_TermBLoanMember
$ 16us-gaap_DebtInstrumentUnamortizedDiscount
/ us-gaap_DebtInstrumentAxis
= salm_TermBLoanMember
$ 14us-gaap_DebtInstrumentUnamortizedDiscount
/ us-gaap_DebtInstrumentAxis
= salm_TermBLoanMember
$ 16us-gaap_DebtInstrumentUnamortizedDiscount
/ us-gaap_DebtInstrumentAxis
= salm_TermBLoanMember
$ 16us-gaap_DebtInstrumentUnamortizedDiscount
/ us-gaap_DebtInstrumentAxis
= salm_TermBLoanMember