Fair Value of Financial Instruments - Unobservable Inputs (Details) $ in Thousands	Mar. 31, 2024 USD ($)		Dec. 31, 2023 USD ($)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair Value	$ 444,376	[1]	$ 263,930	[2]
Level 3—Significant unobservable inputs
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair Value	444,376		262,316
Level 3—Significant unobservable inputs | Senior Debt Obligations | Discounted Cash Flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair Value	$ 352,884		$ 185,976
Level 3—Significant unobservable inputs | Senior Debt Obligations | Discounted Cash Flow | Minimum | Range (Weighted Average)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Measurement input	0.087		0.10
Level 3—Significant unobservable inputs | Senior Debt Obligations | Discounted Cash Flow | Maximum | Range (Weighted Average)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Measurement input	0.113		0.115
Level 3—Significant unobservable inputs | Senior Debt Obligations | Discounted Cash Flow | Weighted Average | Range (Weighted Average)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Measurement input	0.103		0.109
Level 3—Significant unobservable inputs | Senior Debt Obligations | Cost
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair Value	$ 7,037		$ 18,338
Level 3—Significant unobservable inputs | Subordinated Debt | Discounted Cash Flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair Value	$ 1,496		$ 961
Level 3—Significant unobservable inputs | Subordinated Debt | Discounted Cash Flow | Minimum | Range (Weighted Average)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Measurement input	0.154		0.154
Level 3—Significant unobservable inputs | Subordinated Debt | Discounted Cash Flow | Maximum | Range (Weighted Average)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Measurement input	0.154		0.154
Level 3—Significant unobservable inputs | Subordinated Debt | Discounted Cash Flow | Weighted Average | Range (Weighted Average)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Measurement input	0.154		0.154
Level 3—Significant unobservable inputs | Net Asset Based Finance | Discounted Cash Flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair Value	$ 75,196		$ 39,896
Level 3—Significant unobservable inputs | Net Asset Based Finance | Discounted Cash Flow | Minimum | Range (Weighted Average)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Measurement input	0.057		0.059
Level 3—Significant unobservable inputs | Net Asset Based Finance | Discounted Cash Flow | Maximum | Range (Weighted Average)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Measurement input	0.424		0.432
Level 3—Significant unobservable inputs | Net Asset Based Finance | Discounted Cash Flow | Weighted Average | Range (Weighted Average)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Measurement input	0.084		0.08
Level 3—Significant unobservable inputs | Net Asset Based Finance | Cost
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair Value	$ 5,331		$ 14,174
Level 3—Significant unobservable inputs | Net Asset Based Finance | Waterfall
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair Value	$ 2,432		$ 2,679
Level 3—Significant unobservable inputs | Net Asset Based Finance | Waterfall | Minimum | Range (Weighted Average)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Measurement input	0.01		1
Level 3—Significant unobservable inputs | Net Asset Based Finance | Waterfall | Maximum | Range (Weighted Average)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Measurement input	0.01		1
Level 3—Significant unobservable inputs | Net Asset Based Finance | Waterfall | Weighted Average | Range (Weighted Average)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Measurement input	0.01		1
Level 3—Significant unobservable inputs | Net Asset Based Finance | Other
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair Value			$ 292

[1] See Note 7 for additional information regarding the fair value of the Company’s financial instruments.

[2] See Note 7 for additional information regarding the fair value of the Company’s financial instruments.