Significant Accounting Policies - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Significant Accounting Policies [Line Items]
Amortization income of purchase discount	$ 1,323	$ 920
Percentage of non-accrual investment at amortized cost	3.30%		3.80%
Percentage of non-accrual investment at fair value	1.60%		2.30%
Cash	$ 52,319		$ 52,363
Excise taxes	1,074	$ 758
Accrued excise taxes	1,778
Foreign Currency [Member]
Significant Accounting Policies [Line Items]
Cash	3,779		3,586
Acquisition cost	$ 3,788		$ 3,522