STOCKHOLDERS' EQUITY - Common Stock (Details) - USD ($)	Jan. 30, 2020	Jan. 22, 2020	Nov. 22, 2019	Sep. 30, 2020	Dec. 31, 2019
Class of Stock [Line Items]
Common stock, par value (in dollars per share)				$ 0.01	$ 0.01
Common Stock
Class of Stock [Line Items]
Common stock, par value (in dollars per share)		$ 0.01	$ 0.01
Sale of common stock (in shares)	600,000	4,000,000
Proceeds from issuance of common stock	$ 9,600,000	$ 63,300,000
Over-Allotment Option | Common Stock
Class of Stock [Line Items]
Sale of common stock (in shares)		600,000
Maximum | Common Stock
Class of Stock [Line Items]
Sale of stock, consideration received on transaction			$ 100,000,000.0