v3.20.2
ASSETS HELD FOR SALE - Narrative (Details)
3 Months Ended
Jun. 30, 2020
USD ($)
license
Sep. 30, 2020
USD ($)
Sep. 28, 2020
numberOfStations
Dec. 31, 2019
USD ($)
Long Lived Assets Held-for-sale [Line Items]        
Net assets held for sale   $ 509,000   $ 10,188,000
Disposed of by sale | Equipment And Broadcasting License        
Long Lived Assets Held-for-sale [Line Items]        
Net assets held for sale       $ 10,200,000
Total proceeds $ 10,800,000      
Gain on sale 200,000      
Held-for-sale,        
Long Lived Assets Held-for-sale [Line Items]        
Net assets held for sale $ 500,000      
Number of broadcasting licenses | license 2      
Number of broadcasting stations | numberOfStations     2