Annual report pursuant to Section 13 and 15(d)

Recent Transactions - Acquisitions - Schedule Of Consolidated Financial Position (Detail)

v3.20.1
Recent Transactions - Acquisitions - Schedule Of Consolidated Financial Position (Detail) - USD ($)
$ in Thousands
12 Months Ended
Sep. 27, 2019
Sep. 09, 2019
Jul. 25, 2019
Jul. 10, 2019
Jun. 06, 2019
Mar. 18, 2019
Dec. 31, 2019
Dec. 31, 2018
Total Consideration             $ 2,253 $ 11,180
KPAM-AM In Portland, Oregon Asset Acquisition [Member]                
Acquisition Date Sep. 27, 2019           Sep. 27, 2019  
Asset acquisition $ 1,000           $ 965  
FM Translator Construction Permit in Louisville, Kentucky Asset Acquisition [Member]                
Acquisition Date   Sep. 09, 2019         Sep. 09, 2019  
Asset acquisition   $ 35,000         $ 35  
Journey box media [Member]                
Acquisition Date             Jul. 25, 2019  
Business acquisition             $ 500  
Asset acquisition     $ 500          
Steelehouse production [Member]                
Acquisition Date             Jul. 10, 2019  
Business acquisition             $ 100  
Asset acquisition       $ 100        
Investment HouseCom [Member]                
Acquisition Date             Jun. 06, 2019  
Business acquisition         $ 600   $ 553  
pjmedia website [Member]                
Acquisition Date             Mar. 18, 2019  
Asset acquisition           $ 100 $ 100  
KTRB-AM, San Francisco, California (Asset Purchase) [Member]                
Acquisition Date               Sep. 11, 2018
Asset acquisition               $ 5,349
Hilary Kramer Financial Newsletter (Business Acquisition) [Member]                
Acquisition Date               Aug. 09, 2018
Business acquisition               $ 439
Just1Word (Business Acquisition) [Member]                
Acquisition Date               Aug. 07, 2018
Business acquisition               $ 312
KZTS-AM (formerly KDXE-AM), Little Rock, Arkansas (asset purchase) [Member]                
Acquisition Date               Jul. 25, 2018
Asset acquisition               $ 210
Childrens-Ministry-Deals.com (Business Acquisition) [Member]                
Acquisition Date               Jul. 24, 2018
Business acquisition               $ 3,700
KDXE-FM (Formerly KZTS-FM), Little Rock, Arkansas (Business Acquisition) [Member]                
Acquisition Date               Jun. 25, 2018
Business acquisition               $ 1,100
HearItFirst.com (Asset Purchase) [Member]                
Acquisition Date               Apr. 19, 2018
Asset acquisition               $ 70