Quarterly report pursuant to Section 13 or 15(d)

Property and Equipment - Summary of Categories of Property and Equipment (Detail)

v3.23.1
Property and Equipment - Summary of Categories of Property and Equipment (Detail) - USD ($)
$ in Thousands
Mar. 31, 2023
Dec. 31, 2022
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross, Total $ 238,131 $ 235,970
Less accumulated depreciation (194,407) (191,638)
Property, Plant and Equipment Net 43,724 44,332
Property, Plant and Equipment, Net, Total 83,689 81,296
Land [Member]    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross, Total 27,070 27,070
Building [Member]    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross, Total 28,566 28,523
Office Furnishings and Equipment [Member]    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross, Total 37,567 37,162
Antennae, Towers and Transmitting Equipment [Member]    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross, Total 77,755 76,950
Studio, Production and Mobile Equipment [Member]    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross, Total 30,673 30,267
Computer Software and Website Development Costs [Member]    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross, Total 42,562 42,304
Automobiles [Member]    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross, Total 1,615 1,633
Leasehold Improvements [Member]    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross, Total 19,393 19,131
Construction in Progress [Member]    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross, Total $ 12,895 $ 9,894