Acquisitions and Dispositions - Additional Information (Details) - USD ($)	Feb. 18, 2025	May 31, 2024	Mar. 29, 2024	Mar. 22, 2024	Feb. 13, 2024	Jun. 30, 2025	Dec. 31, 2024	[1]
Business Acquisition [Line Items]
Transactional costs		$ 121,000
Transaction costs adjustments		88,000
Goodwill						$ 19,229,000	$ 19,229,000
WNDN-FM | Discontinued Operations, Disposed of by Sale
Business Acquisition [Line Items]
Sale of asset		150,000
Loss on sale of asset		$ (20,000)
Discontinued Operation, Gain (Loss) on Disposal, Statement of Income or Comprehensive Income [Extensible Enumeration]		Other Operating Income (Expense), Net
WYSE-AM, W275CP and W248CM | Discontinued Operations, Disposed of by Sale
Business Acquisition [Line Items]
Sale of asset			$ 10,000
Loss on sale of asset			$ (147,000)
Discontinued Operation, Gain (Loss) on Disposal, Statement of Income or Comprehensive Income [Extensible Enumeration]			Other Operating Income (Expense), Net
FCC License for KBAI-AM | Discontinued Operations, Disposed of by Sale
Business Acquisition [Line Items]
Loss on disposal				$ 800,000
WVAX-AM | Discontinued Operations, Disposed of by Sale
Business Acquisition [Line Items]
Loss on sale of asset	$ 19,000
Discontinued Operation, Gain (Loss) on Disposal, Statement of Income or Comprehensive Income [Extensible Enumeration]	Other Operating Income (Expense), Net
Assets of WKOA (FM), WKHY (FM), WASK (FM), WXXB (FM), WASK (AM) and W269DJ from Neuhoff Communications, Inc.
Business Acquisition [Line Items]
Business combination consideration transferred		$ 5,832,000			$ 5,300,000
Purchase price of accounts receivable		499,000
Goodwill		$ 76,000

[1] The balance sheet as December 31, 2024 has been derived from the audited financial statements at that date but does not include all of the information and footnotes required by accounting principles generally accepted in the United States for complete financial statements.