DERIVATIVE FINANCIAL INSTRUMENTS - Summary of Fair Values of Derivative Instruments (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Derivatives, Fair Value [Line Items]
Notional	$ 3,921,032	$ 472,832
Total derivatives	(16,629)	(18,138)
Derivatives not designated as hedging instruments \| Interest rate products
Derivatives, Fair Value [Line Items]
Derivative asset	156,414	2,625
Derivative liability	(156,414)	(2,847)
Derivatives not designated as hedging instruments \| Interest rate products \| Other assets
Derivatives, Fair Value [Line Items]
Notional	1,794,678	54,834
Derivatives not designated as hedging instruments \| Interest rate products \| Other liabilities
Derivatives, Fair Value [Line Items]
Notional	1,794,678	54,834
Derivatives not designated as hedging instruments \| Interest rate lock commitments with customers
Derivatives, Fair Value [Line Items]
Derivative asset	385	1,991
Derivative liability	(7)	(73)
Derivatives not designated as hedging instruments \| Interest rate lock commitments with customers \| Other assets
Derivatives, Fair Value [Line Items]
Notional	24,673	102,264
Derivatives not designated as hedging instruments \| Interest rate lock commitments with customers \| Other liabilities
Derivatives, Fair Value [Line Items]
Notional	1,179	12,813
Derivatives not designated as hedging instruments \| Forward sale commitments
Derivatives, Fair Value [Line Items]
Derivative asset	75	537
Derivative liability	(54)	(116)
Derivatives not designated as hedging instruments \| Forward sale commitments \| Other assets
Derivatives, Fair Value [Line Items]
Notional	9,072	63,664
Derivatives not designated as hedging instruments \| Forward sale commitments \| Other liabilities
Derivatives, Fair Value [Line Items]
Notional	20,719	67,032
Derivatives not designated as hedging instruments \| FX forwards
Derivatives, Fair Value [Line Items]
Derivative asset	38
Derivative liability	(45)
Derivatives not designated as hedging instruments \| FX forwards \| Other assets
Derivatives, Fair Value [Line Items]
Notional	4,177
Derivatives not designated as hedging instruments \| FX forwards \| Other liabilities
Derivatives, Fair Value [Line Items]
Notional	3,052
Derivatives not designated as hedging instruments \| Risk participation agreements sold
Derivatives, Fair Value [Line Items]
Derivative liability	(2)
Derivatives not designated as hedging instruments \| Risk participation agreements sold \| Other liabilities
Derivatives, Fair Value [Line Items]
Notional	68,459
Derivatives not designated as hedging instruments \| Risk participation agreements purchased
Derivatives, Fair Value [Line Items]
Derivative asset	81
Derivatives not designated as hedging instruments \| Risk participation agreements purchased \| Other assets
Derivatives, Fair Value [Line Items]
Notional	87,168
Derivatives not designated as hedging instruments \| Risk participation agreements
Derivatives, Fair Value [Line Items]
Derivative liability		(3)
Derivatives not designated as hedging instruments \| Risk participation agreements \| Other liabilities
Derivatives, Fair Value [Line Items]
Notional		4,214
Derivatives not designated as hedging instruments \| Financial derivative related to sales of certain Visa Class B shares
Derivatives, Fair Value [Line Items]
Derivative liability	(17,100)	(20,252)
Derivatives not designated as hedging instruments \| Financial derivative related to sales of certain Visa Class B shares \| Other liabilities
Derivatives, Fair Value [Line Items]
Notional	$ 113,177	$ 113,177

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