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SUBSEQUENT EVENTS (Details) - USD ($) $ / shares in Units, $ in Millions			1 Months Ended	3 Months Ended		9 Months Ended
	Dec. 14, 2022	Nov. 10, 2022	Nov. 10, 2022	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Subsequent Event [Line Items]
Purchases of portfolio investments				$ 183.4	$ 122.1	$ 681.2	$ 529.9
Total dividends/distributions per share, declared (in dollars per share)				$ 0.24	$ 0.21	$ 0.71	$ 0.60
Total dividends/distributions per share, paid (in dollars per share)				$ 0.24	$ 0.21	$ 0.71	$ 0.60
Forecast
Subsequent Event [Line Items]
Total dividends/distributions per share, paid (in dollars per share)	$ 0.24
Subsequent Event
Subsequent Event [Line Items]
Investment company, committed capital			$ 131.1
Purchases of portfolio investments			$ 103.0
Weighted average yield of the debt investments		9.90%	9.90%
Total dividends/distributions per share, declared (in dollars per share)		$ 0.24
Subsequent Event | Debt Securities, First Lien Senior Secured And Subordinated Investment
Subsequent Event [Line Items]
Investments in and advances to affiliates, at fair value, gross additions			$ 97.5
Subsequent Event | Equity shares
Subsequent Event [Line Items]
Investments in and advances to affiliates, at fair value, gross additions			5.5
Subsequent Event | Delayed Draw Term Loan
Subsequent Event [Line Items]
Purchases of portfolio investments			$ 7.5

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