RELATED PERSON TRANSACTIONS - MileOne Autogroup Inc. (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Related Party Transaction [Line Items]
Revenue	$ 768.0	$ 837.0	$ 1,541.0	$ 2,125.0
MileOne AutoGroup \| Advertising Time
Related Party Transaction [Line Items]
Revenue	$ 0.1	$ 0.1	$ 0.1	$ 0.1

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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+ Details