INVESTMENTS - Non-Marketable Equity Investments, Equity Method Investments (Details) - Privately held company, equity method - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Schedule of Equity Method Investments [Line Items]
Equity method investment, ownership percentage	16.00%		16.00%
Equity method investments, carrying value	$ 108.1		$ 108.1		$ 111.1
Income (loss) from equity method investments	$ 0.2	$ 1.0	$ 0.6	$ 1.1

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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