DERIVATIVES - Derivatives Recorded at Fair Value (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Derivative [Line Items]
Derivative assets	$ 52,229	$ 138,173
Derivative liabilities	18,064	34,583
Interest rate swaps
Derivative [Line Items]
Derivative assets	449	52
Derivative asset, variation margin accounts	1,200,000	60,700
Interest rate lock commitments
Derivative [Line Items]
Derivative assets	16,015	114,871
Derivative liabilities	7,229	3,093
Options on treasury futures
Derivative [Line Items]
Derivative assets	0	7,778
TBAs
Derivative [Line Items]
Derivative assets	35,765	15,472
Derivative liabilities	$ 10,835	$ 31,490