DERIVATIVES - Derivatives Recorded at Fair Value (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Derivative [Line Items]
Derivative assets	$ 43,904	$ 52,229
Derivative liabilities	46,954	18,064
Interest rate swaps
Derivative [Line Items]
Derivative assets	1,637	449
Derivative asset, variation margin accounts	800,000	1,200,000
Interest rate lock commitments
Derivative [Line Items]
Derivative assets	36,107	16,015
Derivative liabilities	1,081	7,229
TBAs
Derivative [Line Items]
Derivative assets	6,160	35,765
Derivative liabilities	45,873	10,835
Options on treasury futures
Derivative [Line Items]
Derivative assets	$ 0	$ 0