SUBSEQUENT EVENTS (Details) $ / shares in Units, $ in Millions	Apr. 21, 2020 USD ($)	Apr. 20, 2020 right $ / shares shares
Subsequent Event [Line Items]
Ownership threshold		10.00%
Subsequent Event
Subsequent Event [Line Items]
Assets or earning power sold (in percent)		50.00%
Subsequent Event | Class A Right
Subsequent Event [Line Items]
Number stock purchase rights | right		1
Number of shares per right (in shares) | shares		0.001
Purchase price (in dollars per share) | $ / shares		$ 6.06
Exchange rate (in shares) | shares		0.001
Subsequent Event | Class B Right
Subsequent Event [Line Items]
Number stock purchase rights | right		1
Number of shares per right (in shares) | shares		0.001
Purchase price (in dollars per share) | $ / shares		$ 6.06
Exchange rate (in shares) | shares		0.001
Subsequent Event | Common Class A
Subsequent Event [Line Items]
Par Value (in dollars per share) | $ / shares		$ 0.01
Threshold of common stock owned by acquired person (in percent)		50.00%
Percentage of common stock acquired that will cause diluted (in percent)		10.00%
Percentage of common stock acquired by passive institutional investors that will cause dilution (in percent)		15.00%
Subsequent Event | Common Class B
Subsequent Event [Line Items]
Par Value (in dollars per share) | $ / shares		$ 0.01
Subsequent Event | Equipment And Broadcasting License | Disposal Group, Disposed of by Sale, Not Discontinued Operations
Subsequent Event [Line Items]
Total proceeds | $	$ 10.8
Gain on sale | $	$ 0.2