Commitments and Contingencies - Schedule of Commitments To Fund Investments In Current Portfolio Companies (Details) - USD ($) $ in Thousands		Dec. 31, 2023	Dec. 31, 2022
Loss Contingencies [Line Items]
Total Portfolio Company Commitments	[1],[2]	$ 358,502	$ 62,983
Revolver | Artisan Bidco, Inc
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		21,283
Revolver | Avalara, Inc.
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		13,636	13,636
Revolver | Disco Parent, Inc.
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		5,776
Revolver | Galileo Parent Inc
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		15,817
Revolver | Hirevue, Inc.
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		14,113
Revolver | Ping Identity Holding Corp.
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		13,636	13,636
Revolver | Wrangler TopCo, LLC
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		9,576
Revolver & Partnership Interest | Crewline Buyer, Inc.
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		20,809
Delayed Draw & Revolver | Alaska Bidco Oy
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		231
Delayed Draw & Revolver | BTRS Holdings, Inc.
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		16,689	25,915
Delayed Draw & Revolver | Coupa Holdings, LLC
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		20,427
Delayed Draw & Revolver | Edge Bidco BV
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		1,060
Delayed Draw & Revolver | Erling Lux Bidco SARL
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		3,184	5,618
Delayed Draw & Revolver | Fullsteam Operations LLC
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		31,239
Delayed Draw & Revolver | Hornetsecurity Holding GmbH
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		2,113	2,041
Delayed Draw & Revolver | Rapid Data GmbH Unternehmensberatung
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		6,255
Delayed Draw | Arrow Buyer, Inc.
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		28,125
Delayed Draw | Banyan Software Holdings, LLC
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		20,073
Delayed Draw | BCTO Bluebill Buyer, Inc.
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		1,325
Delayed Draw | Kangaroo Bidco AS
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		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		2,212	$ 2,137
Delayed Draw | SkyLark UK DebtCo
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		28,192
Delayed Draw | SL Buyer Corp
Loss Contingencies [Line Items]
Total Portfolio Company Commitments		$ 1,475

[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.