DEBT - Schedule of Long-Term Debt Instruments (Details) - Line of Credit - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025
Debt Instrument [Line Items]
Average Outstanding Amount	$ 2,120,886	$ 390,728	$ 1,737,455	$ 292,230
Weighted Average Rate	5.57%	5.54%	5.49%	4.08%
Denali Credit Agreement
Debt Instrument [Line Items]
Average Outstanding Amount	$ 203,674	$ 210,198	$ 205,053	$ 211,429
Weighted Average Rate	5.66%	6.37%	5.66%	6.36%
Aspen Credit Agreement
Debt Instrument [Line Items]
Average Outstanding Amount	$ 231,950	$ 50,000	$ 226,998	$ 36,813
Weighted Average Rate	5.28%	6.12%	5.31%	4.50%
ACI Portfolio Aggregator Credit Agreement
Debt Instrument [Line Items]
Average Outstanding Amount	$ 1,359	$ 0	$ 33,663	$ 0
Weighted Average Rate	6.26%	0.00%	6.24%	0.00%
Tango Credit Agreement
Debt Instrument [Line Items]
Average Outstanding Amount	$ 334,750	$ 130,530	$ 264,970	$ 43,988
Weighted Average Rate	5.16%	4.14%	5.16%	1.39%
BNP Funding Facility
Debt Instrument [Line Items]
Average Outstanding Amount	$ 60,870	$ 0	$ 153,114	$ 0
Weighted Average Rate	5.03%	0.00%	4.92%	0.00%
Pioneer Credit Agreement
Debt Instrument [Line Items]
Average Outstanding Amount	$ 378,283	$ 0	$ 306,705	$ 0
Weighted Average Rate	5.17%	0.00%	5.16%	0.00%
Rover Credit Agreement
Debt Instrument [Line Items]
Average Outstanding Amount	$ 910,000	$ 0	$ 546,952	$ 0
Weighted Average Rate	5.99%	0.00%	5.96%	0.00%