DERIVATIVE FINANCIAL INSTRUMENTS - Fair Value of Derivative Instruments (Details) - Derivatives not designated as hedging instruments - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Derivative [Line Items]
Notional	$ 3,304,276	$ 472,832
Total derivatives	(16,687)	(18,138)
Interest rate products \| Other assets
Derivative [Line Items]
Notional	1,428,507	54,834
Derivative asset	69,824	2,625
Interest rate products \| Other liabilities
Derivative [Line Items]
Notional	1,428,507	54,834
Derivative Liability	(69,874)	(2,847)
Risk participation agreements \| Other liabilities
Derivative [Line Items]
Notional		4,214
Derivative Liability		(3)
Interest rate lock commitments with customers \| Other assets
Derivative [Line Items]
Notional	59,199	102,264
Derivative asset	833	1,991
Interest rate lock commitments with customers \| Other liabilities
Derivative [Line Items]
Notional	48,435	12,813
Derivative Liability	(573)	(73)
Forward sale commitments \| Other assets
Derivative [Line Items]
Notional	92,690	63,664
Derivative asset	1,595	537
Forward sale commitments \| Other liabilities
Derivative [Line Items]
Notional	12,911	67,032
Derivative Liability	(39)	(116)
FX forwards \| Other liabilities
Derivative [Line Items]
Notional	803
Derivative Liability	(30)
Risk participation agreements sold \| Other liabilities
Derivative [Line Items]
Notional	53,175
Derivative Liability	(7)
Risk participation agreements purchased \| Other assets
Derivative [Line Items]
Notional	66,872
Derivative asset	209
Financial derivatives related to sales of certain Visa Class B shares \| Other liabilities
Derivative [Line Items]
Notional	113,177	113,177
Derivative Liability	$ (18,625)	$ (20,252)

Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

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