Debt - Weighted Average Interest Rates and Average Debt Outstanding (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Line of Credit Facility [Line Items]
Weighted Average Interest Rate	6.85%	7.84%
Average debt outstanding	$ 1,709,148	$ 960,691
ASPV Credit Facility | Line of credit
Line of Credit Facility [Line Items]
Weighted Average Interest Rate	6.75%	8.06%
Average debt outstanding	$ 298,290	$ 212,435
MSPV Credit Facility | Line of credit
Line of Credit Facility [Line Items]
Weighted Average Interest Rate	6.78%	7.74%
Average debt outstanding	$ 310,391	$ 261,637
Truist Credit Facility | Line of credit
Line of Credit Facility [Line Items]
Weighted Average Interest Rate	6.61%	7.56%
Average debt outstanding	$ 91,467	$ 147,947
Series A Tranche A Notes | Senior Notes
Line of Credit Facility [Line Items]
Weighted Average Interest Rate	7.69%	7.69%
Average debt outstanding	$ 90,000	$ 64,380
Series A Tranche B Notes | Senior Notes
Line of Credit Facility [Line Items]
Weighted Average Interest Rate	7.78%	7.78%
Average debt outstanding	$ 150,000	$ 107,299
Series B Tranche A Notes | Senior Notes
Line of Credit Facility [Line Items]
Weighted Average Interest Rate	6.42%
Average debt outstanding	$ 85,000
Series B Tranche B Notes | Senior Notes
Line of Credit Facility [Line Items]
Weighted Average Interest Rate	7.58%
Average debt outstanding	$ 25,000
Series B Tranche C Notes | Senior Notes
Line of Credit Facility [Line Items]
Weighted Average Interest Rate	6.52%
Average debt outstanding	$ 290,000
CLO Transaction | Secured Debt
Line of Credit Facility [Line Items]
Weighted Average Interest Rate	6.79%	7.57%
Average debt outstanding	$ 369,000	$ 166,993