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Fair Value Measurements - Additional Information (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended 9 Months Ended
Jan. 17, 2020
Nov. 30, 2019
Nov. 25, 2019
Nov. 30, 2019
Aug. 31, 2019
Nov. 30, 2019
Indefinite Lived Intangible Assets By Major Class [Line Items]            
Impairment charge           $ 4.0
MediaCo Holding Inc | Contribution Agreement            
Indefinite Lived Intangible Assets By Major Class [Line Items]            
Percentage of equity ownership interest   23.72%   23.72%    
MediaCo Holding Inc | Contribution Agreement | Class A Common Stock            
Indefinite Lived Intangible Assets By Major Class [Line Items]            
Percentage of equity ownership interest     23.72%      
Common stock taxable pro rate distribution of per share     $ 0.1265      
MediaCo Holding Inc | Contribution Agreement | Class A Common Stock | Scenario Forecast            
Indefinite Lived Intangible Assets By Major Class [Line Items]            
Common stock taxable pro rate distribution of per share $ 0.1265          
FCC Licenses            
Indefinite Lived Intangible Assets By Major Class [Line Items]            
Impairment charge         $ 4.0  
Fair values of indefinite-lived intangible assets         15.5  
WLIB-AM            
Indefinite Lived Intangible Assets By Major Class [Line Items]            
Fair values of indefinite-lived intangible assets         $ 6.7