Consolidation - Additional Information (Details)	12 Months Ended
	Dec. 31, 2023 USD ($) collateralized_loan_obligation	Dec. 31, 2022 USD ($)
CLOs
Variable Interest Entity [Line Items]
Number of consolidated CLOs | collateralized_loan_obligation	8
Investments	$ 1,972,342,000	$ 2,106,764,000
Derivative liabilities	$ 0
CLOs | LIBOR | Minimum
Variable Interest Entity [Line Items]
Basis spread on variable rate (as a percent)	0.80%
CLOs | LIBOR | Maximum
Variable Interest Entity [Line Items]
Basis spread on variable rate (as a percent)	9.10%
CLOs | Senior notes
Variable Interest Entity [Line Items]
Unpaid principal balance exceeds fair value	$ 104,400,000
CLOs | CLO subordinated notes
Variable Interest Entity [Line Items]
Debt par value	2,100,000,000
CLOs | CLO subordinated notes | Subordinated debt
Variable Interest Entity [Line Items]
Debt par value	215,100,000
CLOs | CLO senior secured floating rate notes | Senior notes
Variable Interest Entity [Line Items]
Debt par value	1,900,000,000
Nonconsolidated VIEs
Variable Interest Entity [Line Items]
Carrying value and maximum risk of loss	$ 25,700,000