CAPITAL STOCK - Narrative (Details) - USD ($) $ / shares in Units, $ in Millions	6 Months Ended	12 Months Ended
	Jun. 30, 2023	Dec. 31, 2022
Equity [Abstract]
Shares authorized (in shares)	10,000,000	10,000,000
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Shares issued (in shares)	100,000	100,000
Shares of capital stock outstanding (in shares)	100,000	100,000
Committed capital	$ 423.6	$ 423.6
Contributed capital to shareholder	$ 415.2	$ 356.1