INVESTMENTS - Schedule of Credit Ratings of the Company’s Investments at Cost and Fair Value (Details) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2026 USD ($) position		Dec. 31, 2025 USD ($) position
Financing Receivable, Credit Quality Indicator [Line Items]
Number of Positions | position	106		112
Cost Basis	$ 1,945,794	[1],[2]	$ 1,516,173	[3],[4]
Fair Value	$ 1,955,403	[1],[2]	$ 1,528,317	[3],[4]
Fair Value as % of Net Assets	213.10%	[1],[2]	205.20%	[3],[4]
Credit Concentration Risk | Investments Owned At Fair Value
Financing Receivable, Credit Quality Indicator [Line Items]
% of Total Investments at Fair Value	100.00%		100.00%
Investments in loans and other notes
Financing Receivable, Credit Quality Indicator [Line Items]
Number of Positions | position	37		32
Cost Basis	$ 1,679,055		$ 1,166,686
Fair Value	$ 1,688,393		$ 1,176,561
Fair Value as % of Net Assets	184.00%		157.00%
Investments in loans and other notes | Credit Concentration Risk | Investments Owned At Fair Value
Financing Receivable, Credit Quality Indicator [Line Items]
% of Total Investments at Fair Value	86.00%		77.00%
Investments in debt securities
Financing Receivable, Credit Quality Indicator [Line Items]
Number of Positions | position	69		80
Cost Basis	$ 266,739		$ 349,487
Fair Value	$ 267,010		$ 351,756
Fair Value as % of Net Assets	29.00%		48.00%
Investments in debt securities | Credit Concentration Risk | Investments Owned At Fair Value
Financing Receivable, Credit Quality Indicator [Line Items]
% of Total Investments at Fair Value	14.00%		23.00%
Not rated | Investments in loans and other notes
Financing Receivable, Credit Quality Indicator [Line Items]
Number of Positions | position	37		32
Cost Basis	$ 1,679,055		$ 1,166,686
Fair Value	$ 1,688,393		$ 1,176,561
Fair Value as % of Net Assets	184.00%		157.00%
Not rated | Investments in loans and other notes | Credit Concentration Risk | Investments Owned At Fair Value
Financing Receivable, Credit Quality Indicator [Line Items]
% of Total Investments at Fair Value	86.00%		77.00%
Not rated | Investments in debt securities
Financing Receivable, Credit Quality Indicator [Line Items]
Number of Positions | position	3		3
Cost Basis	$ 17,152		$ 17,328
Fair Value	$ 17,382		$ 17,335
Fair Value as % of Net Assets	2.00%		2.00%
Not rated | Investments in debt securities | Credit Concentration Risk | Investments Owned At Fair Value
Financing Receivable, Credit Quality Indicator [Line Items]
% of Total Investments at Fair Value	1.00%		1.00%
AA- | Investments in debt securities
Financing Receivable, Credit Quality Indicator [Line Items]
Number of Positions | position	1		1
Cost Basis	$ 3,827		$ 3,825
Fair Value	$ 3,878		$ 3,853
Fair Value as % of Net Assets	0.00%		1.00%
AA- | Investments in debt securities | Credit Concentration Risk | Investments Owned At Fair Value
Financing Receivable, Credit Quality Indicator [Line Items]
% of Total Investments at Fair Value	0.00%		0.00%
A | Investments in debt securities
Financing Receivable, Credit Quality Indicator [Line Items]
Number of Positions | position			4
Cost Basis			$ 9,300
Fair Value			$ 9,276
Fair Value as % of Net Assets			1.00%
A | Investments in debt securities | Credit Concentration Risk | Investments Owned At Fair Value
Financing Receivable, Credit Quality Indicator [Line Items]
% of Total Investments at Fair Value			1.00%
BBB | Investments in debt securities
Financing Receivable, Credit Quality Indicator [Line Items]
Number of Positions | position	9		11
Cost Basis	$ 18,395		$ 38,364
Fair Value	$ 17,937		$ 38,223
Fair Value as % of Net Assets	2.00%		5.00%
BBB | Investments in debt securities | Credit Concentration Risk | Investments Owned At Fair Value
Financing Receivable, Credit Quality Indicator [Line Items]
% of Total Investments at Fair Value	1.00%		3.00%
BB | Investments in debt securities
Financing Receivable, Credit Quality Indicator [Line Items]
Number of Positions | position	35		39
Cost Basis	$ 128,143		$ 200,267
Fair Value	$ 128,756		$ 202,197
Fair Value as % of Net Assets	14.00%		28.00%
BB | Investments in debt securities | Credit Concentration Risk | Investments Owned At Fair Value
Financing Receivable, Credit Quality Indicator [Line Items]
% of Total Investments at Fair Value	7.00%		13.00%
B | Investments in debt securities
Financing Receivable, Credit Quality Indicator [Line Items]
Number of Positions | position	21		22
Cost Basis	$ 99,222		$ 80,403
Fair Value	$ 99,057		$ 80,872
Fair Value as % of Net Assets	11.00%		11.00%
B | Investments in debt securities | Credit Concentration Risk | Investments Owned At Fair Value
Financing Receivable, Credit Quality Indicator [Line Items]
% of Total Investments at Fair Value	5.00%		5.00%

[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.