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DERIVATIVES AND HEDGING ACTIVITIES - Fair Value of Derivatives (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Derivatives, Fair Value [Line Items]
Notional amount	$ 2,277,585	$ 2,322,816
Derivatives before netting, derivative assets	7,925	35,889
Netting adjustments/Cash collateral, derivative assets	1,355	(8,250)
Derivative assets	9,280	27,639
Derivatives before netting, derivative liability	(5,184)	(24,232)
Netting adjustments/Cash collateral, derivative liabilities	3,921	21,447
Derivative liabilities	(1,263)	(2,785)
Fair Value, Concentration of Credit Risk, Master Netting Arrangements
Derivatives, Fair Value [Line Items]
Cash collateral	(5,300)	(13,200)
Forward sale commitments
Derivatives, Fair Value [Line Items]
Notional amount	793,208	977,974
Derivatives before netting, derivative assets	723	1,035
Derivatives before netting, derivative liability	(640)	(3,714)
Interest rate lock commitments
Derivatives, Fair Value [Line Items]
Notional amount	115,025	493,873
Derivatives before netting, derivative assets	2,487	17,395
Derivatives before netting, derivative liability	(3)	(3)
Interest rate swaps
Derivatives, Fair Value [Line Items]
Notional amount	287,352	536,969
Derivatives before netting, derivative assets	4,381	17,459
Derivatives before netting, derivative liability	(4,541)	(20,511)
Futures
Derivatives, Fair Value [Line Items]
Notional amount	1,082,000	314,000
Derivatives before netting, derivative assets	334	0
Derivatives before netting, derivative liability	$ 0	$ (4)

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The amount as of the balance sheet date of the fair value of derivative assets that in accordance with the entity's accounting policy was offset against other derivative contracts under a master netting arrangement.

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