DEBT - Schedule of Debt Securitizations (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2026	Dec. 31, 2025
Debt Instrument [Line Items]
Principal amount outstanding	$ 12,251,407	$ 11,194,548
January 2037 CLO Notes
Debt Instrument [Line Items]
Principal amount outstanding	694,100
January 2037 Class A-1 CLO Notes
Debt Instrument [Line Items]
Principal amount outstanding	$ 399,000
Interest rate	1.58%
January 2037 Class A-2 CLO Notes
Debt Instrument [Line Items]
Principal amount outstanding	$ 35,000
Interest rate	1.75%
January 2037 Class B CLO Notes
Debt Instrument [Line Items]
Principal amount outstanding	$ 42,000
Interest rate	1.85%
January 2037 CLO Subordinated Notes
Debt Instrument [Line Items]
Principal amount outstanding	$ 218,100
April 2038 CLO Debt
Debt Instrument [Line Items]
Principal amount outstanding	499,100
April 2038 Class A-1 CLO Notes
Debt Instrument [Line Items]
Principal amount outstanding	$ 210,000
Interest rate	1.38%
April 2038 Class A-1A CLO Loans
Debt Instrument [Line Items]
Interest rate	1.38%
April 2038 Class A-1A CLO Loans \| Secured Debt
Debt Instrument [Line Items]
Principal amount outstanding	$ 75,000
April 2038 Class A-2 CLO Notes
Debt Instrument [Line Items]
Principal amount outstanding	$ 15,000
Interest rate	1.60%
April 2038 Class B CLO Notes
Debt Instrument [Line Items]
Principal amount outstanding	$ 50,000
Interest rate	1.70%
April 2038 CLO Subordinated Notes
Debt Instrument [Line Items]
Principal amount outstanding	$ 149,100
January 2039 CLO Debt
Debt Instrument [Line Items]
Principal amount outstanding	$ 696,400
January 2039 Class A-1 CLO Notes
Debt Instrument [Line Items]
Interest rate	1.40%
January 2039 Class A-1 CLO Notes \| Secured Debt
Debt Instrument [Line Items]
Principal amount outstanding	$ 356,000
January 2039 Class A-1A CLO Loans
Debt Instrument [Line Items]
Interest rate	1.40%
January 2039 Class A-1A CLO Loans \| Secured Debt
Debt Instrument [Line Items]
Principal amount outstanding	$ 50,000
January 2039 Class A-2 CLO Notes
Debt Instrument [Line Items]
Interest rate	1.60%
January 2039 Class A-2 CLO Notes \| Secured Debt
Debt Instrument [Line Items]
Principal amount outstanding	$ 28,000
January 2039 Class B Senior Notes
Debt Instrument [Line Items]
Interest rate	1.75%
January 2039 Class B Senior Notes \| Secured Debt
Debt Instrument [Line Items]
Principal amount outstanding	$ 42,000
January 2039 Class C CLO Notes
Debt Instrument [Line Items]
Interest rate	2.00%
January 2039 Class C CLO Notes \| Secured Debt
Debt Instrument [Line Items]
Principal amount outstanding	$ 56,000
January 2039 CLO Subordinated Notes \| Subordinated Debt
Debt Instrument [Line Items]
Principal amount outstanding	164,400
Total January 2037 CLO Secured Notes \| Secured Debt
Debt Instrument [Line Items]
Principal amount outstanding	476,000
Total April 2038 CLO Secured Debt
Debt Instrument [Line Items]
Principal amount outstanding	350,000
Total January 2039 CLO Secured Debt
Debt Instrument [Line Items]
Principal amount outstanding	$ 532,000