BORROWINGS - Schedule of Debt Agreements (Details) $ in Thousands	Mar. 31, 2026 USD ($) position	Dec. 31, 2025 USD ($) position
Debt Instrument [Line Items]
Borrowings	$ 1,082,345	$ 820,128
Secured credit facilities
Debt Instrument [Line Items]
Weighted Average Rate (as a percent)	5.00%	5.20%
Borrowings	$ 729,770	$ 622,925
Number of Positions Pledged | position	75	76
Collateral	$ 1,038,927	$ 937,065
Asset-specific debt
Debt Instrument [Line Items]
Borrowings	$ 352,575	$ 197,203
Investments in loans and other notes | Secured credit facilities
Debt Instrument [Line Items]
Weighted Average Rate (as a percent)	5.10%	5.20%
Borrowings	$ 603,634	$ 472,862
Number of Positions Pledged | position	24	23
Collateral	$ 852,022	$ 673,424
Investments in loans and other notes | Asset-specific debt
Debt Instrument [Line Items]
Weighted Average Rate (as a percent)	5.00%	5.10%
Borrowings	$ 352,575	$ 197,203
Number of Positions Pledged | position	3	2
Collateral	$ 455,278	$ 262,937
Investments in loans and other notes | Wells Fargo Bank, N.A.  | Secured credit facilities
Debt Instrument [Line Items]
Weighted Average Rate (as a percent)	5.00%	5.10%
Borrowings	$ 185,030	$ 126,525
Number of Positions Pledged | position	3	2
Collateral	$ 271,684	$ 168,700
Investments in loans and other notes | Barclays Bank PLC | Secured credit facilities
Debt Instrument [Line Items]
Weighted Average Rate (as a percent)	5.20%	5.30%
Borrowings	$ 170,143	$ 86,112
Number of Positions Pledged | position	5	4
Collateral	$ 247,071	$ 155,947
Investments in loans and other notes | Canadian Imperial Bank of Commerce | Secured credit facilities
Debt Instrument [Line Items]
Weighted Average Rate (as a percent)	5.10%	5.10%
Borrowings	$ 148,613	$ 146,261
Number of Positions Pledged | position	1	1
Collateral	$ 198,151	$ 195,556
Investments in loans and other notes | Morgan Stanley Bank, N.A. | Secured credit facilities
Debt Instrument [Line Items]
Weighted Average Rate (as a percent)	5.10%	5.10%
Borrowings	$ 99,848	$ 113,964
Number of Positions Pledged | position	15	16
Collateral	$ 135,116	$ 153,221
Investments in loans and other notes | U.S. Bank, N.A, | Asset-specific debt
Debt Instrument [Line Items]
Weighted Average Rate (as a percent)	4.90%
Borrowings	$ 154,522
Number of Positions Pledged | position	1
Collateral	$ 191,208
Investments in loans and other notes | Standard Chartered Bank | Asset-specific debt
Debt Instrument [Line Items]
Weighted Average Rate (as a percent)	5.00%	5.10%
Borrowings	$ 150,750	$ 150,750
Number of Positions Pledged | position	1	1
Collateral	$ 201,000	$ 201,000
Investments in loans and other notes | HSBC Bank USA, N.A.  | Asset-specific debt
Debt Instrument [Line Items]
Weighted Average Rate (as a percent)	5.10%	5.20%
Borrowings	$ 47,303	$ 46,453
Number of Positions Pledged | position	1	1
Collateral	$ 63,070	$ 61,937
Investments in debt securities | Secured credit facilities
Debt Instrument [Line Items]
Weighted Average Rate (as a percent)	4.80%	5.20%
Borrowings	$ 126,136	$ 150,063
Number of Positions Pledged | position	51	53
Collateral	$ 186,905	$ 263,641
Investments in debt securities | Société Generale | Secured credit facilities
Debt Instrument [Line Items]
Weighted Average Rate (as a percent)	4.80%	5.20%
Borrowings	$ 57,845	$ 57,868
Number of Positions Pledged | position	25	27
Collateral	$ 94,206	$ 104,036
Investments in debt securities | Royal Bank of Canada | Secured credit facilities
Debt Instrument [Line Items]
Weighted Average Rate (as a percent)	4.90%	5.10%
Borrowings	$ 38,148	$ 36,357
Number of Positions Pledged | position	10	10
Collateral	$ 55,034	$ 61,087
Investments in debt securities | Canadian Imperial Bank of Commerce | Secured credit facilities
Debt Instrument [Line Items]
Weighted Average Rate (as a percent)	4.70%	4.90%
Borrowings	$ 11,729	$ 15,512
Number of Positions Pledged | position	7	8
Collateral	$ 17,133	$ 32,992
Investments in debt securities | Citigroup Global Markets Inc. | Secured credit facilities
Debt Instrument [Line Items]
Weighted Average Rate (as a percent)	4.70%	5.20%
Borrowings	$ 18,414	$ 40,326
Number of Positions Pledged | position	9	8
Collateral	$ 20,532	$ 65,526