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

AMORTIZABLE INTANGIBLE ASSETS (Summary of Significant Classes of Amortizable Intangible Assets) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Finite-Lived Intangible Assets [Line Items]
Cost	$ 47,239	$ 46,525
Accumulated Amortization	(35,459)	(34,130)
Net	11,780us-gaap_FiniteLivedIntangibleAssetsNet	12,395us-gaap_FiniteLivedIntangibleAssetsNet
Customer lists and contracts [Member]
Finite-Lived Intangible Assets [Line Items]
Cost	19,910	19,910
Accumulated Amortization	(17,205)	(16,558)
Net	2,705	3,352
Domain and brand names [Member]
Finite-Lived Intangible Assets [Line Items]
Cost	15,657	15,465
Accumulated Amortization	(10,098)	(9,722)
Net	5,559	5,743
Favorable and assigned leases [Member]
Finite-Lived Intangible Assets [Line Items]
Cost	2,379	2,379
Accumulated Amortization	(1,819)	(1,795)
Net	560	584
Subscriber base and lists [Member]
Finite-Lived Intangible Assets [Line Items]
Cost	4,824	4,302
Accumulated Amortization	(2,893)	(2,671)
Net	1,931	1,631
Author relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Cost	2,245	2,245
Accumulated Amortization	(1,415)	(1,379)
Net	830	866
Non-compete agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Cost	888	888
Accumulated Amortization	(693)	(669)
Net	195	219
Other amortizable intangible assets [Member]
Finite-Lived Intangible Assets [Line Items]
Cost	1,336	1,336
Accumulated Amortization	(1,336)	(1,336)
Net