DERIVATIVE INSTRUMENTS - Schedule of Significant Unobservable Inputs used in Valuation (Details) - Barings LLC	Sep. 30, 2025 USD ($)	Dec. 31, 2024 USD ($) yr
MVC Credit Support Agreement
Derivative [Line Items]
Fair Value		$ 19,250,000
MVC Credit Support Agreement \| Minimum \| Discount Rate \| Valuation, Income Approach
Derivative [Line Items]
Measurement input		0.054
MVC Credit Support Agreement \| Minimum \| Time Until Exit (years) \| Valuation, Income Approach
Derivative [Line Items]
Measurement input \| yr		1.5
MVC Credit Support Agreement \| Maximum \| Discount Rate \| Valuation, Income Approach
Derivative [Line Items]
Measurement input		0.064
MVC Credit Support Agreement \| Maximum \| Time Until Exit (years) \| Valuation, Income Approach
Derivative [Line Items]
Measurement input \| yr		4.5
MVC Credit Support Agreement \| Weighted Average \| Discount Rate \| Valuation, Income Approach
Derivative [Line Items]
Measurement input		0.059
MVC Credit Support Agreement \| Weighted Average \| Time Until Exit (years) \| Valuation, Income Approach
Derivative [Line Items]
Measurement input \| yr		3.0
Sierra Credit Support Agreement
Derivative [Line Items]
Fair Value	$ 52,800,000	$ 44,200,000
Sierra Credit Support Agreement \| Discount Rate \| Simulation Analysis
Derivative [Line Items]
Measurement input	0.057	0.063
Sierra Credit Support Agreement \| Minimum \| Time Until Exit (years) \| Simulation Analysis
Derivative [Line Items]
Measurement input	0.0	0.0
Sierra Credit Support Agreement \| Minimum \| Enterprise Value \| Simulation Analysis
Derivative [Line Items]
Measurement input	0	15
Sierra Credit Support Agreement \| Minimum \| Asset Volatility \| Simulation Analysis
Derivative [Line Items]
Measurement input	0.200	0.250
Sierra Credit Support Agreement \| Minimum \| Recovery Rate \| Simulation Analysis
Derivative [Line Items]
Measurement input	0.050	0.050
Sierra Credit Support Agreement \| Maximum \| Time Until Exit (years) \| Simulation Analysis
Derivative [Line Items]
Measurement input	5.8	6.6
Sierra Credit Support Agreement \| Maximum \| Enterprise Value \| Simulation Analysis
Derivative [Line Items]
Measurement input	399,400	393,900
Sierra Credit Support Agreement \| Maximum \| Asset Volatility \| Simulation Analysis
Derivative [Line Items]
Measurement input	0.500	0.550
Sierra Credit Support Agreement \| Maximum \| Recovery Rate \| Simulation Analysis
Derivative [Line Items]
Measurement input	0.800	0.700
Sierra Credit Support Agreement \| Weighted Average \| Discount Rate \| Simulation Analysis
Derivative [Line Items]
Measurement input	0.057	0.063
Sierra Credit Support Agreement \| Weighted Average \| Time Until Exit (years) \| Simulation Analysis
Derivative [Line Items]
Measurement input	2.9	3.3
Sierra Credit Support Agreement \| Weighted Average \| Enterprise Value \| Simulation Analysis
Derivative [Line Items]
Measurement input	199,700	196,958
Sierra Credit Support Agreement \| Weighted Average \| Asset Volatility \| Simulation Analysis
Derivative [Line Items]
Measurement input	0.350	0.400
Sierra Credit Support Agreement \| Weighted Average \| Recovery Rate \| Simulation Analysis
Derivative [Line Items]
Measurement input	0.425	0.375