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VARIABLE INTEREST ENTITIES - Balances and Activity in Affordable Housing Partnerships (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Variable Interest Entity [Line Items]
Fundings	$ 10,749	$ 27,832	$ 14,800
Variable Interest Entity, Not Primary Beneficiary
Variable Interest Entity [Line Items]
Maximum loss exposure	27,977
Maximum loss exposure	25,888	27,977
Affordable Housing Fund Investment
Variable Interest Entity [Line Items]
Unfunded commitment	10,300
Fundings	8,023	16,086	9,143
Proportional amortization recognized	4,227	5,253	3,521
Affordable Housing Fund Investment | Variable Interest Entity, Not Primary Beneficiary
Variable Interest Entity [Line Items]
Maximum loss exposure	43,209
Aggregate funding commitment	61,278	61,278
Total amount funded	51,014	42,991
Unfunded commitment	10,264	18,287
Maximum loss exposure	38,982	43,209
Income tax credits recognized	$ 4,604	$ 4,300	$ 2,410

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Amount of amortization expense of investment in qualified affordable housing projects.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to investment tax credit.

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The reporting entity's maximum amount of exposure to loss as a result of its involvement with the Variable Interest Entity (VIE).

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