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

Quarterly report pursuant to Section 13 or 15(d)

Recent Transactions - Acquisitions - Additional Information (Detail)

Recent Transactions - Acquisitions - Additional Information (Detail) - USD ($) $ in Thousands					9 Months Ended
	Mar. 24, 2023	Feb. 01, 2023	Jan. 10, 2023	Jan. 06, 2023	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022	Dec. 31, 2021
Business Acquisition [Line Items]
Payments to Acquire Businesses, Gross					$ 25	$ 190
Goodwill					$ 22,766		$ 24,085	$ 23,986
George Gilder Report and other digital newsletters and related website assets [Member]
Business Acquisition [Line Items]
Percentage of Purchase Price On Net Revenue		25.00%
Radio stations WWFEAM, WRHCAM and two FM translators in Miami [Member]
Business Acquisition [Line Items]
Payments to Acquire Businesses, Gross			$ 3,000
Radio stations WWFEAM, WRHCAM and two FM translators in Miami [Member] \| Lease Transaction for the Land [Member]
Business Acquisition [Line Items]
Payments to Acquire Businesses, Gross				$ 3,200
Digital Media [Member]
Business Acquisition [Line Items]
Goodwill		$ 1,200
Digital Felt Productions and digital content library [Member]
Business Acquisition [Line Items]
Payments to Acquire Businesses, Gross	$ 25,000

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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