DERIVATIVES AND HEDGING - Schedule of Derivatives and Hedges are Recorded at Fair Value (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Sep. 30, 2024	Dec. 31, 2023
Derivative [Line Items]
Derivative and Hedging Assets:		$ 50,514	$ 28,080
Derivative and Hedging Liabilities:		85,415	51,765
Derivative liabilities, other commitments	$ 25,500
Interest rate swaps
Derivative [Line Items]
Derivative and Hedging Assets:		7	106
Derivative assets (liabilities), variation margin accounts		(68,200)	(342,000)
IRLCs
Derivative [Line Items]
Derivative and Hedging Assets:		39,055	26,482
Derivative and Hedging Liabilities:		6,933	2,678
TBAs
Derivative [Line Items]
Derivative and Hedging Assets:		11,452	1,492
Derivative and Hedging Liabilities:		59,748	49,087
Foreign exchange forwards
Derivative [Line Items]
Derivative and Hedging Liabilities:		448	0
Treasury Short Sales
Derivative [Line Items]
Derivative and Hedging Liabilities:		2,207	0
Derivative liabilities, reverse repurchase agreements		500,000
Other commitments
Derivative [Line Items]
Derivative and Hedging Liabilities:		$ 16,079	$ 0