Fair Value Measurement - Summary of Reconciliation of Level 3 Assets (Parenthetical) (Details) - Level 3 - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2024	Dec. 31, 2023
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair value, net change in unrealized appreciation	$ (6,628)
Fair value, net change in unrealized depreciation		$ (2,538)
Debt
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair value, net change in unrealized appreciation	(4,913)
Fair value, net change in unrealized depreciation		(2,178)
Equity/Other
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair value, net change in unrealized appreciation	$ (1,715)
Fair value, net change in unrealized depreciation		$ (360)