Commitments and Contingencies - Summary of Unfunded Commitments (Detail) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Schedule Of Unfunded Commitments [Line Items]
Unfunded commitments	$ 1,074	$ 3,836
RxSense Holdings LLC [Member]
Schedule Of Unfunded Commitments [Line Items]
Unfunded commitments	0	1,558
SunMed Group Holdings, LLC [Member]
Schedule Of Unfunded Commitments [Line Items]
Unfunded commitments	515	515
TAUC Management, LLC [Member]
Schedule Of Unfunded Commitments [Line Items]
Unfunded commitments	385	385
CC SAG Holdings Corp. (Spectrum Automotive) [Member]
Schedule Of Unfunded Commitments [Line Items]
Unfunded commitments	174	174
Foundation Consumer Brands, LLC [Member]
Schedule Of Unfunded Commitments [Line Items]
Unfunded commitments	0	967
Transportation Insight, Inc. [Member]
Schedule Of Unfunded Commitments [Line Items]
Unfunded commitments	$ 0	$ 237