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COMMITMENTS AND CONTINGENCIES - Schedule of Private Equity Commitments (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Other Commitments [Line Items]
Total net adjusted unfunded loan commitments	$ 32.0	$ 57.0
Equity investment commitments
Other Commitments [Line Items]
Total equity commitments	168.9	119.8
Less: funded commitments	(64.3)	(69.2)
Total net adjusted unfunded loan commitments	104.6	50.6
Less: equity commitments substantially at discretion of the Company	(43.0)	(50.6)
Total net unfunded revolving and delayed draw loan commitments	$ 61.6	$ 0.0

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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 16
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480990/946-20-50-16

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 15
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480990/946-20-50-15

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480990/946-20-50-15

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 946
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 15
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480990/946-20-50-15

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