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Borrowings - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Debt Disclosure [Abstract]
Interest expense	$ 29.0		$ 38.7
Unused commitment fees	$ 1.1		$ 1.2
Weighted average interest rate	5.10%	4.68%
Weighted average interest rate all-in	5.23%	4.78%
Average principal debt outstanding	$ 5,046.2	$ 5,619.0

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Interest Payable, Debt Instrument Unused Borrowing Capacity Fee

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- Definition

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Weighted average interest rate of debt outstanding.

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- Definition

Average amount outstanding of long-term debt.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-07(3))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483575/946-220-S99-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name Regulation S-K (SK)
-Number 229
-Section 1402
-Paragraph (a)
-Publisher SEC

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Name Regulation S-K (SK)
-Number 229
-Section 1402
-Paragraph (b)
-Subparagraph (1)
-Publisher SEC

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