DERIVATIVE INSTRUMENTS - Summary of Swaptions Outstanding (Details) - Notional - Long Positions - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2024	Dec. 31, 2023
Long pay
Derivative [Line Items]
Current Underlying Notional	$ 250,000	$ 1,250,000
Weighted Average Underlying Fixed Rate	2.40%	2.21%
Weighted Average Underlying Years to Maturity	5 years 10 days	7 years 8 months 8 days
Weighted Average Months to Expiration	7 days	8 months 5 days
Long receive
Derivative [Line Items]
Current Underlying Notional		$ 500,000
Weighted Average Underlying Fixed Rate		1.65%
Weighted Average Underlying Years to Maturity		10 years 3 months 18 days
Weighted Average Months to Expiration		3 months 15 days