SUMMARY OF SIGNIFICANT ACCOUNTING AND BUSINESS POLICIES - Impairment of Goodwill, Other Intangibles and Long-lived Assets (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Goodwill impairments	$ 0.0	$ 0.0	$ 0.0
Long-lived asset impairments	$ 0.0	$ 0.0	$ 0.0