Salem Media Group, Inc. Quarterly report pursuant to Section 13 or 15(d)

Summary of Changes in Present Value of Acquisition Related Contingent Earn-Out Consideration (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2014
Business Acquisition, Contingent Consideration [Line Items]
Beginning Balance as of January 1, 2014	$ 2,850	$ 616
Acquisitions	2,047	2,047
Accretion of acquisition-related contingent consideration	63	123
Change in the estimated fair value of contingent earn-out consideration	242	369
Reclassification of payments due in next 12 month to short-term	0	0
Ending Balance as of June 30, 2014	3,155	3,155
Short Term Accrued Expenses
Business Acquisition, Contingent Consideration [Line Items]
Beginning Balance as of January 1, 2014	1,148	329
Acquisitions	692	692
Accretion of acquisition-related contingent consideration	26	49
Change in the estimated fair value of contingent earn-out consideration	206	310
Reclassification of payments due in next 12 month to short-term	176	176
Ending Balance as of June 30, 2014	1,556	1,556
Long Term Other Liabilities
Business Acquisition, Contingent Consideration [Line Items]
Beginning Balance as of January 1, 2014	1,702	287
Acquisitions	1,355	1,355
Accretion of acquisition-related contingent consideration	37	74
Change in the estimated fair value of contingent earn-out consideration	36	59
Reclassification of payments due in next 12 month to short-term	(176)	(176)
Ending Balance as of June 30, 2014	$ 1,599	$ 1,599