Quarterly report pursuant to Section 13 or 15(d)

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

v3.20.1
Property and Equipment - Summary of Categories of Property and Equipment (Detail) - USD ($)
$ in Thousands
Mar. 31, 2020
Dec. 31, 2019
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross, Total $ 261,842 $ 260,795
Less accumulated depreciation (175,212) (173,122)
Property, Plant and Equipment, Net, Total 86,630 87,673
Land [Member]    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross, Total 30,951 30,936
Building [Member]    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross, Total 30,283 30,283
Office Furnishings and Equipment [Member]    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross, Total 37,215 36,855
Antennae, Towers and Transmitting Equipment [Member]    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross, Total 78,423 78,312
Studio, Production and Mobile Equipment [Member]    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross, Total 29,713 30,164
Computer Software and Website Development Costs [Member]    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross, Total 30,587 29,595
Record and Tape Libraries [Member]    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross, Total 17 17
Automobiles [Member]    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross, Total 1,556 1,509
Leasehold Improvements [Member]    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross, Total 18,983 18,834
Construction in Progress [Member]    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross, Total $ 4,114 $ 4,290