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

ACQUISITIONS AND RECENT TRANSACTIONS (Summary of Business Acquisitions and Asset Purchases) (Details)

ACQUISITIONS AND RECENT TRANSACTIONS (Summary of Business Acquisitions and Asset Purchases) (Details) - USD ($) $ in Thousands									6 Months Ended
	Jun. 04, 2015	Jun. 02, 2015	May. 12, 2015	May. 07, 2015	May. 06, 2015	Apr. 07, 2015	Mar. 27, 2015	Feb. 06, 2015	Jun. 30, 2015
Business Acquisition [Line Items]
Business acquisition, total cost									$ 6,873
WPGP-AM (formerly WDDZ-AM), Pittsburgh, Pennsylvania (business acquisition) [Member]
Business Acquisition [Line Items]
Business acquisition, total cost			$ 1,000
Business acquisition, date			May 12, 2015
WDWD-AM, Atlanta, Georgia (business acquisition) [Member]
Business Acquisition [Line Items]
Business acquisition, total cost				$ 2,800
Business acquisition, date				May 07, 2015
Daily Bible Devotion (business acquisition) [Member]
Business Acquisition [Line Items]
Business acquisition, total cost					$ 1,242
Business acquisition, date		Jun. 02, 2015			May 06, 2015
Gene Smart Wellness e-commerce website [Member]
Business Acquisition [Line Items]
Business acquisition, total cost	$ 100
Business acquisition, date	Jun. 04, 2015
Radio station, WDYZ-AM in Orlando, Florida (business acquisition)
Business Acquisition [Line Items]
Business acquisition, total cost							$ 1,300
Business acquisition, date							Mar. 27, 2015
Land and Studio Building, Greenville, South Carolina (asset purchase) [Member]
Business Acquisition [Line Items]
Business acquisition, total cost						$ 201
Business acquisition, date						Apr. 07, 2015
Bryan Perry Newsletters (business acquisition) [Member]
Business Acquisition [Line Items]
Business acquisition, total cost								$ 200
Business acquisition, date								Feb. 06, 2015
Purchase of domain names and digital media assets (asset purchases)
Business Acquisition [Line Items]
Business acquisition, total cost									$ 100