Commitments and Contingencies - Summary Of Unfunded Debt Commitments (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Other Commitments [Line Items]
Unfunded Commitments	$ 10,328	$ 12,065
Unfunded Debt And Equity Commitments
Other Commitments [Line Items]
Unfunded Commitments	10,328	12,065
Arcutis Biotherapeutics, Inc. \| Unfunded Debt And Equity Commitments
Other Commitments [Line Items]
Unfunded Commitments	1,585	3,171
Ardelyx, Inc. \| Unfunded Debt And Equity Commitments
Other Commitments [Line Items]
Unfunded Commitments	1,494	1,494
Wilbur-Ellis Holdings II, LLC \| Unfunded Debt And Equity Commitments
Other Commitments [Line Items]
Unfunded Commitments	1,236	1,224
ReFocus Management Services, LLC \| Unfunded Debt And Equity Commitments
Other Commitments [Line Items]
Unfunded Commitments	911	0
Treace Medical Concepts, Inc. \| Unfunded Debt And Equity Commitments
Other Commitments [Line Items]
Unfunded Commitments	753	753
Plastic Management, LLC \| Unfunded Debt And Equity Commitments
Other Commitments [Line Items]
Unfunded Commitments	633	633
Quantcast Corporation \| Unfunded Debt And Equity Commitments
Other Commitments [Line Items]
Unfunded Commitments	519	434
Stella & Chewy's LLC \| Unfunded Debt And Equity Commitments
Other Commitments [Line Items]
Unfunded Commitments	509	429
The Townsend Company, LLC \| Unfunded Debt And Equity Commitments
Other Commitments [Line Items]
Unfunded Commitments	334	359
Alkeme Intermediary Holdings, LLC \| Unfunded Debt And Equity Commitments
Other Commitments [Line Items]
Unfunded Commitments	330	681
Pinnacle Fertility, Inc. \| Unfunded Debt And Equity Commitments
Other Commitments [Line Items]
Unfunded Commitments	273	273
Western Veterinary Partners LLC \| Unfunded Debt And Equity Commitments
Other Commitments [Line Items]
Unfunded Commitments	264	556
Nexus Intermediate III, LLC \| Unfunded Debt And Equity Commitments
Other Commitments [Line Items]
Unfunded Commitments	170	278
CVAUSA Management, LLC \| Unfunded Debt And Equity Commitments
Other Commitments [Line Items]
Unfunded Commitments	157	162
Southern Orthodontics Partners Management, LLC \| Unfunded Debt And Equity Commitments
Other Commitments [Line Items]
Unfunded Commitments	156	329
Sherwood Management Co., Inc \| Unfunded Debt And Equity Commitments
Other Commitments [Line Items]
Unfunded Commitments	147	237
World Insurance Associates, LLC \| Unfunded Debt And Equity Commitments
Other Commitments [Line Items]
Unfunded Commitments	135	148
United Digestive MSO Parent, LLC \| Unfunded Debt And Equity Commitments
Other Commitments [Line Items]
Unfunded Commitments	135	135
AAH Topco, LLC \| Unfunded Debt And Equity Commitments
Other Commitments [Line Items]
Unfunded Commitments	130	173
Foundation Consumer Brands, LLC \| Unfunded Debt And Equity Commitments
Other Commitments [Line Items]
Unfunded Commitments	125	125
Crewline Buyer, Inc. \| Unfunded Debt And Equity Commitments
Other Commitments [Line Items]
Unfunded Commitments	122	122
Exactcare Parent, Inc. \| Unfunded Debt And Equity Commitments
Other Commitments [Line Items]
Unfunded Commitments	81	81
Medrina, LLC \| Unfunded Debt And Equity Commitments
Other Commitments [Line Items]
Unfunded Commitments	79	79
MRI Software LLC \| Unfunded Debt And Equity Commitments
Other Commitments [Line Items]
Unfunded Commitments	50	54
WALCO Funding, LLC \| Unfunded Debt And Equity Commitments
Other Commitments [Line Items]
Unfunded Commitments	$ 0	$ 135