ALLOWANCE FOR CREDIT LOSSES AND CREDIT QUALITY - Additional Information (Details)	3 Months Ended
Mar. 31, 2022 USD ($) loan	Mar. 31, 2021 loan	Dec. 31, 2021 USD ($)
Financing Receivable, Allowance for Credit Loss [Line Items]
Loan amount of credit quality analysis	$ 250,000
Loans receivable before allowance for credit loss	4,353,714,000		$ 4,287,841,000
PPP \| Pass
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans receivable before allowance for credit loss	12,500,000		26,200,000
Total consumer loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans modified In troubled debt restructured loans	$ 6,000,000		$ 5,800,000
Number of loans modified as troubled debt restructurings \| loan	1	0

The minimum loan amount required for credit quality analysis.

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+ References

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Number of financing receivables that have been modified by troubled debt restructurings.

+ References

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Amount of financing receivable modified as troubled debt restructuring.

+ References

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- Definition

Amount, before allowance for credit loss, of financing receivable.

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