Commitments and Contingencies - Schedule of Commitments To Fund Investments In Current Portfolio Companies (Details) - USD ($) $ in Thousands		Dec. 31, 2025	Dec. 31, 2024
Loss Contingencies [Line Items]
Total Portfolio Company Commitments	[1],[2]	$ 857,800	$ 1,050,384
Alaska Bidco Oy | Delayed Draw & Revolver
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		246	217
Aledade, Inc. | Revolver
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		62,065
Apellis Pharmaceuticals, Inc. | Delayed Draw
Loss Contingencies [Line Items]
Total Portfolio Company Commitments			42,105
Aptean, Inc. | Delayed Draw & Revolver
Loss Contingencies [Line Items]
Total Portfolio Company Commitments			15,757
Arrow Buyer, Inc. | Delayed Draw
Loss Contingencies [Line Items]
Total Portfolio Company Commitments			20,157
Arrowhead Pharmaceuticals, Inc. | Delayed Draw
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		116,949	135,222
Artisan Bidco, Inc | Revolver
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		4,222	16,886
Avalara, Inc. | Revolver
Loss Contingencies [Line Items]
Total Portfolio Company Commitments			13,636
AVSC Holding Corp | Revolver
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		26,580	33,830
Azurite Intermediate Holdings, Inc. | Revolver & Equity
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		29,175	29,175
Babylon Finco Limited | Delayed Draw
Loss Contingencies [Line Items]
Total Portfolio Company Commitments			16,527
Banyan Software Holdings, LLC | Delayed Draw
Loss Contingencies [Line Items]
Total Portfolio Company Commitments			19,491
BCTO Bluebill Buyer, Inc. | Delayed Draw
Loss Contingencies [Line Items]
Total Portfolio Company Commitments			1,074
Ben Nevis Midco Limited | Delayed Draw
Loss Contingencies [Line Items]
Total Portfolio Company Commitments			27,307
BTRS Holdings, Inc. | Delayed Draw & Revolver
Loss Contingencies [Line Items]
Total Portfolio Company Commitments			9,086
Cirrus (Bidco) Ltd | Delayed Draw
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		448	417
Cordance Operations LLC | Delayed Draw
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		45,674
Coupa Holdings, LLC | Delayed Draw & Revolver
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		20,427	20,428
Crewline Buyer, Inc. | Revolver & Equity
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		16,295	16,295
Disco Parent, Inc. | Revolver
Loss Contingencies [Line Items]
Total Portfolio Company Commitments			5,776
EDB Parent, LLC | Delayed Draw
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		1,124
LIHA Holdco B.V. | Delayed Draw & Revolver
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		753	993
Elysium BidCo Limited | Revolver
Loss Contingencies [Line Items]
Total Portfolio Company Commitments			19,289
Erling Lux Bidco SARL | Delayed Draw & Revolver
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		6,134	2,772
Eventus Buyer, LLC | Delayed Draw & Revolver
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		16,157	18,777
Flight Intermediate HoldCo, Inc | Delayed Draw
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		37,352	44,012
Fullsteam Operations LLC | Delayed Draw & Revolver
Loss Contingencies [Line Items]
Total Portfolio Company Commitments			70,282
Galileo Parent Inc | Revolver
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		8,077	12,788
Greenshoot Bidco B.V. | Revolver
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		461	407
Arcwood Environmental Inc. | Delayed Draw & Revolver
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		19,458	28,485
Hippo XPA Bidco AB | Delayed Draw & Revolver
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		9,407	1,697
Hirevue, Inc. | Revolver
Loss Contingencies [Line Items]
Total Portfolio Company Commitments			5,141
HMP Omnimedia, LLC | Delayed Draw & Revolver
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		62,182
Ingenovis Health Finance, LLC | Revolver
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		10,000
Kangaroo Bidco AS | Delayed Draw
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		22,500	22,500
Kaseware Intermediate Holding Company | Delayed Draw & Revolver
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		4,724
Kryptona BidCo US, LLC | Revolver
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		14,674	14,674
Lynx BidCo | Delayed Draw & Revolver
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		15,686	25,077
Merit Software Finance Holdings, LLC | Delayed Draw & Revolver
Loss Contingencies [Line Items]
Total Portfolio Company Commitments			3,214
Omnigo Software L L C | Delayed Draw & Revolver
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		10,125
PDI TA Holdings, Inc. | Delayed Draw & Revolver
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		3,529	26,516
QSR Acquisition Co | Delayed Draw
Loss Contingencies [Line Items]
Total Portfolio Company Commitments			5,000
Rail Acquisitions LLC | Delayed Draw & Revolver
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		7,076
Rapid Data GmbH Unternehmensberatung
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		1,231	1,425
RainFocus, LLC | Delayed Draw
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		887
Raptor US Buyer II Corp | Revolver
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		3,800	4,318
Sapphire Software Buyer, Inc | Revolver
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		27,027	27,027
Scorpio Bidco | Delayed Draw
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		17,234	15,195
Severin Acquisition, LLC | Delayed Draw & Revolver
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		52,040	72,475
Shiftmove GmbH | Delayed Draw
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		4,522	6,040
Sediver S.p.A. | Delayed Draw
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		33,623	29,645
SkyLark UK DebtCo | Delayed Draw
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		0	24,084
SL Buyer Corp | Delayed Draw
Loss Contingencies [Line Items]
Total Portfolio Company Commitments			1,258
SMA Technologies Holdings, LLC | Revolver
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		3,991	3,991
Sport Alliance GmbH | Revolver
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		489	647
Tango Management Consulting, LLC | Delayed Draw & Revolver
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		6,208
Truck-Lite Co., LLC | Delayed Draw & Revolver
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		35,191	61,202
USA Debusk, LLC | Delayed Draw & Revolver
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		37,786	42,137
Varinem German Bidco GmbH | Delayed Draw
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		4,917	3,553
Velocity Clinical Research, Inc. | Delayed Draw & Revolver
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		37,289
Wrangler TopCo, LLC | Delayed Draw & Revolver
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		$ 20,065	$ 32,377

[1] Represents the full amount of the Company’s commitments to fund investments on such date. Commitments may be subject to limitations on borrowings set forth in the agreements between the Company and the applicable portfolio company. As a result, portfolio companies may not be eligible to borrow the full commitment amount on such date.

[2] The Company’s estimate of the fair value of the current investments in these portfolio companies includes an analysis of the fair value of any unfunded commitments.