LEASES - Lease Costs (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Leases [Abstract]
Operating lease right-of-use liabilities	$ 10.5	$ 14.1
Operating lease, liability, statement of financial position [Extensible Enumeration]	Other liabilities	Other liabilities
Operating lease right-of-use assets	$ 4.3	$ 5.1
Operating lease, right-of-use asset, statement of financial position [Extensible Enumeration]	Other assets	Other assets
Operating lease, cost	$ 2.1	$ 5.0
Operating cash flows paid for amounts included in the measurement of lease liabilities	$ 3.9	$ 3.8
Weighted average of remaining operating lease term (years)	4 years 7 months 6 days	4 years 4 months 24 days
Weighted average operating lease discount rate	11.80%	10.80%