COMMITMENTS AND CONTINGENCIES - Private Equity Commitments (Details) - Equity investment commitments - USD ($) $ in Millions	Mar. 31, 2026	Dec. 31, 2025
Other Commitments [Line Items]
Total equity commitments	$ 199.2	$ 209.1
Less: funded commitments	(48.0)	(40.0)
Total unfunded equity commitments	151.0	169.0
Less: equity commitments substantially at discretion of the Company	(43.2)	(43.3)
Total net unfunded revolving and delayed draw loan commitments	$ 107.7	$ 125.5