v3.26.1
Subsequent Event - Additional Information (Detail) - USD ($)
Jul. 31, 2026
Jun. 30, 2026
Dec. 31, 2025
Subsequent Event [Line Items]      
Assets held for sale   $ 0 $ 7,423,633
Subsequent Event [Member] | Discontinued Operations, Held-for-Sale [Member] | WNKS-FM and KXTE-FM [Member] | Charlotte, NC and Las Vegas, NV [Member]      
Subsequent Event [Line Items]      
Assets held for sale $ 8,000,000    
Impairment loss $ 0