Commitment and Contingencies- Narrative (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Other Commitments [Line Items]
Unfunded commitments	$ 93,999
Estimated unfunded commitments	430,100	$ 1,219,500
Delayed Draw Term Loans And Revolvers
Other Commitments [Line Items]
Unfunded commitments	$ 5,746,600	$ 6,343,100

Amount of financial support committed by investment company to investee that is contractually required but not provided.

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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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant