Quarterly report pursuant to Section 13 or 15(d)

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

v3.19.3
Property and Equipment - Summary of Categories of Property and Equipment (Detail) - USD ($)
$ in Thousands
Sep. 30, 2019
Dec. 31, 2018
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross, Total $ 258,795 $ 267,100
Less accumulated depreciation (170,478) (170,756)
Property, Plant and Equipment, Net, Total 88,317 96,344
Land [Member]    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross, Total 30,913 31,822
Building [Member]    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross, Total 30,009 30,104
Office Furnishings and Equipment [Member]    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross, Total 36,758 36,756
Antennae, Towers and Transmitting Equipment [Member]    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross, Total 78,055 85,998
Studio, Production and Mobile Equipment [Member]    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross, Total 29,059 29,040
Computer Software and Website Development Costs [Member]    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross, Total 27,914 27,603
Record and Tape Libraries [Member]    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross, Total 12 17
Automobiles [Member]    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross, Total 1,453 1,570
Leasehold Improvements [Member]    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross, Total 18,665 19,357
Construction in Progress [Member]    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross, Total $ 5,957 $ 4,833