Fair Value Measurement and Disclosures - Summary of Quantitative Measure used to Determine the Fair Values of The Level III Investments (Details) - USD ($)	Sep. 30, 2024	Dec. 31, 2023
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value	$ 76,828,000
Series I
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value	12,328,000
Series II
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value	64,500,000
Level III
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value	26,287,000	$ 0
Level III | Series I
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value	4,218,000
Level III | Series II
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value	22,069,000
Level III | Asset Backed Debt Securities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value	5,102,000
Level III | Asset Backed Debt Securities | Valuation Technique, Discounted Cash Flow
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value	8,684,000
Level III | Asset Backed Debt Securities | Valuation Technique, Broker Quote
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value	12,500,000
Level III | Asset Backed Debt Securities | Series I
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value	819,000
Level III | Asset Backed Debt Securities | Series I | Valuation Technique, Discounted Cash Flow
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value	1,393,000
Level III | Asset Backed Debt Securities | Series I | Valuation Technique, Broker Quote
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value	2,006,000
Level III | Asset Backed Debt Securities | Series II
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value	4,284,000
Level III | Asset Backed Debt Securities | Series II | Valuation Technique, Discounted Cash Flow
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value	7,291,000
Level III | Asset Backed Debt Securities | Series II | Valuation Technique, Broker Quote
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value	$ 10,494,000
Level III | Asset Backed Debt Securities | Series II | Minimum | Measurement Input, Discount Rate | Valuation Technique, Discounted Cash Flow
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Range	6.59%
Level III | Asset Backed Debt Securities | Series II | Maximum | Measurement Input, Discount Rate | Valuation Technique, Discounted Cash Flow
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Range	16.00%
Level III | Asset Backed Debt Securities | Series II | Weighted Average | Measurement Input, Discount Rate | Valuation Technique, Discounted Cash Flow
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Weighted average	0.0917