Acquisitions and Dispositions - Additional Information (Details) - USD ($)	Feb. 18, 2025	May 31, 2024	Mar. 29, 2024	Mar. 22, 2024	Feb. 13, 2024	Dec. 31, 2025	Sep. 30, 2025	Dec. 31, 2024	Dec. 31, 2023
Business Acquisition [Line Items]
Transactional costs		$ 121,000
Transaction costs adjustments		88,000
Goodwill						$ 0	$ 19,229,000	$ 19,229,000	$ 19,236,000
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