SHAREHOLDERS' EQUITY - Shareholder Rights Agreement (Details)	Apr. 20, 2020 right $ / shares shares
Class of Stock [Line Items]
Multiple of current purchase price per right	2
Class A Right
Class of Stock [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
Class B Right
Class of Stock [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
Common Class A
Class of Stock [Line Items]
Par Value (in dollars per share) | $ / shares	$ 0.01
Assets or earning power sold (in percent)	50.00%
Threshold of common stock owned by acquired person (in percent)	50.00%
Ownership threshold	10.00%
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%
Common Class B
Class of Stock [Line Items]
Par Value (in dollars per share) | $ / shares	$ 0.01