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	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Acquisitions and Dispositions
Net operating revenue	$ 114,087	$ 118,764
Station operating expense	98,049	95,688
Corporate general and administrative	12,611	10,966
Other operating expense (income), net	1,048	120
Operating income	2,379	11,990
Interest expense	479	488
Interest income	(1,047)	(1,441)
Other income, net	(1,516)	(119)
Income before income tax expense	4,463	13,062
Current	1,200	3,015
Deferred	(119)	389
Income tax expense (benefit)	1,081	3,404
Net income	$ 3,382	$ 9,658
Earnings per share:
Basic (in dollars per share)	$ 0.54	$ 1.57
Diluted (in dollars per share)	$ 0.54	$ 1.57