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Disposition - Additional Information (Detail) - USD ($)	3 Months Ended	9 Months Ended
Disposition - Additional Information (Detail) - USD ($)	Sep. 30, 2025	Sep. 30, 2025	Sep. 29, 2025	Aug. 11, 2025	Dec. 31, 2024
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Assets held for sale	$ 6,183,987	$ 6,183,987
Gain on disposition		2,116,709
Operating lease right-of-use assets	28,587,882	28,587,882			$ 33,233,714
Operating lease liabilities	27,512,529	27,512,529			$ 31,402,424
Discontinued Operations, Held-for-Sale [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Impairment loss		0
Tampa, FL [Member] \| Discontinued Operations, Held-for-Sale [Member] \| WPBB-FM [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Assets held for sale	6,183,987	6,183,987	$ 8,000,000
Gain on disposition	400,000
Tampa, FL [Member] \| Discontinued Operations, Held-for-Sale [Member] \| WRXK-FM and WXKB-FM [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Assets held for sale				$ 9,000,000
Tampa, FL [Member] \| Discontinued Operations, Held-for-Sale [Member] \| WBCN-AM, WJPT-FM and WWCN-FM [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Assets held for sale				$ 9,000,000
Fort Myers-Naples, FL \| Discontinued Operations, Held-for-Sale [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Operating lease right-of-use assets	1,300,000	1,300,000
Operating lease liabilities	$ 1,800,000	$ 1,800,000