STOCKHOLDERS' EQUITY (Details) - USD ($) $ / shares in Units, $ in Millions	May 28, 2020	Dec. 31, 2020	Dec. 31, 2019
Preferred stock
Preferred stock authorized for issuance (in shares)		2,000,000	2,000,000
Preferred stock, par value (in dollars per share)		$ 0.01	$ 0.01
Common stock
Common stock authorized for issuance (in shares)		60,000,000	60,000,000
Common stock par value (in dollars per share)		$ 0.01	$ 0.01
Public Offering
Subsidiary, Sale of Stock [Line Items]
Number of shares issued in transaction	2,600,000
Sale of stock, price per share (usd per share)	$ 655
Consideration received on transaction	$ 1,700.0
Payments of stock issuance costs	$ 35.0