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Borrowings - Schedule of Debt (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024	Aug. 06, 2024	Aug. 05, 2024	Feb. 28, 2014
Debt Instrument [Line Items]
Total Commitment	$ 675,000	$ 695,000
Balance Outstanding	425,000	400,000
Unused Commitment	250,000	295,000
Unamortized deferred financing and issuance costs	(4,502)	(5,077)
Total borrowings outstanding, net of deferred financing and issuance costs	420,498	394,923
Unsecured Debt \| 2025 Notes
Debt Instrument [Line Items]
Total Commitment	0	70,000
Balance Outstanding	0	70,000
Unused Commitment	0	0
Unsecured Debt \| 2026 Notes
Debt Instrument [Line Items]
Total Commitment	200,000	200,000
Balance Outstanding	200,000	200,000
Unused Commitment	0	0
Unsecured Debt \| 2027 Notes
Debt Instrument [Line Items]
Total Commitment	125,000	125,000
Balance Outstanding	125,000	125,000
Unused Commitment	0	0
Unsecured Debt \| 2028 Notes
Debt Instrument [Line Items]
Total Commitment	50,000	0
Balance Outstanding	50,000	0
Unused Commitment	0	0
Revolving Credit Facility \| Line of Credit
Debt Instrument [Line Items]
Total Commitment	300,000	300,000	$ 300,000	$ 350,000	$ 150,000
Balance Outstanding	50,000	5,000
Unused Commitment	$ 250,000	$ 295,000