FAIR VALUES - Schedule of Fair Value Measurement Inputs and Valuation Techniques (Details) $ in Thousands	Mar. 31, 2026 USD ($)		Dec. 31, 2025 USD ($)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair Value	$ 1,955,403	[1],[2]	$ 1,528,317	[3],[4]
Investments in loans and other notes
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair Value	1,688,393		1,176,561
Level 3 | Investments in loans and other notes
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair Value	1,688,393		1,176,561
Level 3 | Investments in loans and other notes | Valuation, Market Approach
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair Value	$ 1,688,393		$ 1,176,561
Level 3 | Investments in loans and other notes | Weighted Average | Valuation, Market Approach
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Rate	0.073		0.069
Level 3 | Investments in loans and other notes | Minimum | Valuation, Market Approach
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Rate	0.051		0.055
Level 3 | Investments in loans and other notes | Maximum | Valuation, Market Approach
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Rate	0.244		0.100

[1] Maturity date is based on the fully extended maturity date of the instrument for investments in loans and other notes or rated final distribution date for investments in debt securities; however, investments may be repaid before such date.

[2] Under the Investment Company Act of 1940, as amended (together with the rules and regulations promulgated thereunder, the "1940 Act"), the Company is generally deemed to "control" a portfolio company if the Company owns more than 25% of its outstanding voting securities and/or holds the power to exercise control over the management or policies of the portfolio company. Under the 1940 Act, the Company is generally deemed an "affiliated person" of a portfolio company if the Company owns 5% or more of the portfolio company's outstanding voting securities. As of March 31, 2026, the Company did not own more than 5% of a portfolio company's outstanding voting securities.

[3] Maturity date is based on the fully extended maturity date of the instrument for investments in loans and other notes or rated final distribution date for investments in debt securities; however investments may be repaid before such date.

[4] Under the Investment Company Act of 1940, as amended (together with the rules and regulations promulgated thereunder, the "1940 Act"), the Company is generally deemed to "control" a portfolio company if the Company owns more than 25% of its outstanding voting securities and/or holds the power to exercise control over the management or policies of the portfolio company. Under the 1940 Act, the Company is generally deemed an "affiliated person" of a portfolio company if the Company owns 5% or more of the portfolio company's outstanding voting securities. As of December 31, 2025, the Company did not own more than 5% of a portfolio company's outstanding voting securities.