Commitments and Contingencies - Schedule of Commitments To Fund Investments In Current Portfolio Companies (Details) - USD ($) $ in Thousands		Dec. 31, 2024	Dec. 31, 2023
Loss Contingencies [Line Items]
Total Portfolio Company Commitments	[1],[2]	$ 1,050,384	$ 358,502
Revolver | Artisan Bidco, Inc
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		16,886	21,283
Revolver | Avalara, Inc.
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		13,636	13,636
Revolver | AVSC Holding Corp
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		33,830
Revolver | Disco Parent, Inc.
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		5,776	5,776
Revolver | Elysium BidCo Limited
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		19,289
Revolver | Galileo Parent Inc
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		12,788	15,817
Revolver | Greenshoot Bidco B.V.
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		407
Revolver | Hirevue, Inc.
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		5,141	14,113
Revolver | Kryptona BidCo US, LLC
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		14,674
Revolver | Ping Identity Holding Corp.
Loss Contingencies [Line Items]
Total Portfolio Company Commitments			13,636
Revolver | Raptor US Buyer II Corp
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		4,318
Revolver | Sapphire Software Buyer, Inc
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		27,027
Revolver | SMA Technologies Holdings, LLC
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		3,991
Revolver | Sport Alliance GmbH
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		647
Delayed Draw & Revolver | Alaska Bidco Oy
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		217	231
Delayed Draw & Revolver | Aptean, Inc.
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		15,757
Delayed Draw & Revolver | BTRS Holdings, Inc.
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		9,086	16,689
Delayed Draw & Revolver | Coupa Holdings, LLC
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		20,428	20,427
Delayed Draw & Revolver | Edge Bidco BV
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		993	1,060
Delayed Draw & Revolver | Erling Lux Bidco SARL
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		2,772	3,184
Delayed Draw & Revolver | Eventus Buyer, LLC
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		18,777
Delayed Draw & Revolver | Fullsteam Operations LLC
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		70,282	31,239
Delayed Draw & Revolver | Heritage Environmental Services, Inc.
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		28,485
Delayed Draw & Revolver | Hippo XPA Bidco AB
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		1,697
Delayed Draw & Revolver | Hornetsecurity Holding GmbH
Loss Contingencies [Line Items]
Total Portfolio Company Commitments			2,113
Delayed Draw & Revolver | Lynx BidCo
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		25,077
Delayed Draw & Revolver | Merit Software Finance Holdings, LLC
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		3,214
Delayed Draw & Revolver | PDI TA Holdings, Inc.
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		26,516
Delayed Draw & Revolver | Rapid Data GmbH Unternehmensberatung
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		1,425	6,254
Delayed Draw & Revolver | Severin Acquisition, LLC
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		72,475
Delayed Draw & Revolver | Truck-Lite Co., LLC
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		61,202
Delayed Draw & Revolver | USA Debusk, LLC
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		42,137
Delayed Draw & Revolver | Wrangler TopCo, LLC
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		32,377	9,576
Revolver & Equity | Azurite Intermediate Holdings, Inc.
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		29,175
Revolver & Equity | Crewline Buyer, Inc.
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		16,295	20,809
Delayed Draw | Apellis Pharmaceuticals, Inc.
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		42,105
Delayed Draw | Arrow Buyer, Inc.
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		20,157	28,125
Delayed Draw | Arrowhead Pharmaceuticals, Inc.
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		135,222
Delayed Draw | Babylon Finco Limited
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		16,527
Delayed Draw | Banyan Software Holdings, LLC
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		19,491	20,073
Delayed Draw | BCTO Bluebill Buyer, Inc.
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		1,074	1,325
Delayed Draw | Ben Nevis Midco Limited
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		27,307
Delayed Draw | Cirrus (BidCo) Limited
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		417
Delayed Draw | Flight Intermediate HoldCo, Inc
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		44,012
Delayed Draw | Kangaroo Bidco AS
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		22,500	53,817
Delayed Draw | Laramie Energy, LLC
Loss Contingencies [Line Items]
Total Portfolio Company Commitments			27,439
Delayed Draw | OutSystems Luxco SARL
Loss Contingencies [Line Items]
Total Portfolio Company Commitments			2,213
Delayed Draw | QSR Acquisition Co
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		5,000
Delayed Draw | Scorpio Bidco
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		15,195
Delayed Draw | Shiftmove GmbH
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		6,040
Delayed Draw | Sky Bidco S.p.A
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		29,645
Delayed Draw | SkyLark UK DebtCo
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		24,084	28,192
Delayed Draw | SL Buyer Corp
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		1,258	$ 1,475
Delayed Draw | Varinem German Bidco GmbH
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		$ 3,553

[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.