Quarterly report pursuant to Section 13 or 15(d)

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

v3.22.1
Property and Equipment - Summary of Categories of Property and Equipment (Detail) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross, Total $ 231,666 $ 230,392
Less accumulated depreciation (188,960) (186,053)
Property, Plant and Equipment Net 42,706 44,339
Property, Plant and Equipment, Net, Total 80,262 79,339
Land [Member]    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross, Total 27,037 26,896
Building [Member]    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross, Total 28,600 28,593
Office Furnishings and Equipment [Member]    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross, Total 36,955 36,598
Antennae, Towers and Transmitting Equipment [Member]    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross, Total 78,219 77,813
Studio, Production and Mobile Equipment [Member]    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross, Total 29,693 29,498
Computer Software and Website Development Costs [Member]    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross, Total 38,471 38,271
Automobiles [Member]    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross, Total 1,515 1,515
Leasehold Improvements [Member]    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross, Total 18,213 18,104
Construction in Progress [Member]    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross, Total $ 10,519 $ 8,104