NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Goodwill and Intangible Assets (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Income Tax Disclosure [Abstract]
Uncertain tax positions	$ 0	$ 0
Customer relationships
Goodwill and Intangible Assets
Estimated useful lives	8 years
Customer relationships | Minimum
Goodwill and Intangible Assets
Estimated useful lives	10 years
Customer relationships | Maximum
Goodwill and Intangible Assets
Estimated useful lives	15 years
Non-competition agreements
Goodwill and Intangible Assets
Estimated useful lives	10 months 24 days
Non-competition agreements | Minimum
Goodwill and Intangible Assets
Estimated useful lives	2 years
Non-competition agreements | Maximum
Goodwill and Intangible Assets
Estimated useful lives	5 years