Acquisitions and Dispositions - Pro Forma Results of Operations for Acquisitions (Details) - Assets of WKOA (FM), WKHY (FM), WASK (FM), WXXB (FM), WASK (AM) and W269DJ from Neuhoff Communications, Inc. - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Acquisitions and Dispositions
Net operating revenue	$ 24,212	$ 25,922
Station operating expense	21,963	22,987
Corporate general and administrative	3,167	3,083
Depreciation and amortization	1,326	1,335
Other operating expense (income), net	54	971
Operating loss	(2,298)	(2,454)
Interest expense	107	122
Interest income	(222)	(303)
Other income, net	(23)
Loss before income tax expense	(2,160)	(2,273)
Current	(670)	(541)
Deferred	85	(78)
Income tax (benefit) expense	(585)	(619)
Net loss	$ (1,575)	$ (1,654)
Loss per share:
Basic (in dollars per share)	$ (0.25)	$ (0.26)
Diluted (in dollars per share)	$ (0.25)	$ (0.26)