DERIVATIVES AND HEDGING - Schedule of Derivatives and Hedges are Recorded at Fair Value (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Dec. 31, 2023
Derivative [Line Items]
Derivative and hedging assets	$ 102,227	$ 28,080
Derivative and hedging liabilities	33,586	115,531
Derivative liabilities, other commitments	25,500
Interest rate swaps
Derivative [Line Items]
Derivative and hedging assets	0	106
Derivative and hedging liabilities	0	0
Derivative assets (liabilities), variation margin accounts	500	342,000
Derivative liabilities, reverse repurchase agreements	3,000,000	1,800,000
IRLCs
Derivative [Line Items]
Derivative and hedging assets	32,063	26,482
Derivative and hedging liabilities	835	2,678
TBAs
Derivative [Line Items]
Derivative and hedging assets	7,492	1,492
Derivative and hedging liabilities	15,654	49,087
Treasury short sales
Derivative [Line Items]
Derivative and hedging assets	62,672	0
Derivative and hedging liabilities	0	63,766
Other commitments
Derivative [Line Items]
Derivative and hedging liabilities	$ 17,097	$ 0