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) (USD $) In Thousands, unless otherwise specified	3 Months Ended	0 Months Ended
	Mar. 31, 2015	Mar. 27, 2015	Feb. 06, 2015
Business Acquisition [Line Items]
Business acquisition, total cost	$ 1,580
Purchase of domain names and digital media assets (asset purchases)
Business Acquisition [Line Items]
Business acquisition, total cost	122
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
Bryan Perry's Cash Machine and Premium Income (business acquisition) [Member]
Business Acquisition [Line Items]
Business acquisition, total cost			$ 158
Business acquisition, date			Feb. 06, 2015