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Goodwill and Investment and Other Assets, Net - Additional Information (Details) - USD ($)
 3 Months Ended 12 Months Ended
Sep. 30, 2025
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2027
Dec. 31, 2026
Dec. 31, 2025
Goodwill [Line Items]            
Goodwill   $ 33,982,000       $ 33,982,000
Goodwill acquired during period $ 2,000,000          
Accrued and other liabilities   2,732,000       $ 3,396,000
Goodwill adjustments during period   0 $ 0      
Cost method investment aggregate cost   2,000        
Impairment of goodwill   $ 0 0      
Forecast [Member]            
Goodwill [Line Items]            
Intangible assets, amortization expense       $ 165,000 $ 165,000  
Customer Relationships [Member]            
Goodwill [Line Items]            
Assets including acquired media and customer relationships intangibles 500,000          
Intangible assets, amortization method   straight-line basis        
Intangible assets, amortization expense   $ 55,000 $ 142,000      
Weighted-average remaining useful life   18 months        
UTV L.L.C [Member]            
Goodwill [Line Items]            
Assets including acquired media and customer relationships intangibles $ 2,500,000          
Accrued and other liabilities   $ 500,000        
Maximum [Member]            
Goodwill [Line Items]            
Other intangible asset amortized period   48 months        
Cost method investment aggregate cost   10.00%        
Maximum [Member] | Customer Relationships [Member]            
Goodwill [Line Items]            
Estimated Life   48 months        
Minimum [Member]            
Goodwill [Line Items]            
Other intangible asset amortized period   24 months        
Minimum [Member] | Customer Relationships [Member]            
Goodwill [Line Items]            
Estimated Life   24 months