ALLOWANCE FOR CREDIT LOSSES (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2023	Mar. 31, 2022
Financing Receivable, Allowance for Credit Loss [Line Items]
Decrease in allowance for credit losses	$ 789
Provision for (recapture of) credit losses	9,445	$ 1,551
Net charge-off	(10,100)
Increase (decrease) in net charge-offs	9,500
Improved Macroeconomic Conditions
Financing Receivable, Allowance for Credit Loss [Line Items]
Provision for (recapture of) credit losses	(619)
Changes in Economic and Loss Rate Models and Miscellaneous Reserves
Financing Receivable, Allowance for Credit Loss [Line Items]
Provision for (recapture of) credit losses	(293)
Commercial loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Provision for (recapture of) credit losses	4,100
Increase (decrease) in net charge-offs	5,300
Auto loans and leases
Financing Receivable, Allowance for Credit Loss [Line Items]
Increase (decrease) in net charge-offs	(109)
Consumer
Financing Receivable, Allowance for Credit Loss [Line Items]
Increase (decrease) in net charge-offs	2,700
Mortgage
Financing Receivable, Allowance for Credit Loss [Line Items]
Increase (decrease) in net charge-offs	1,600
Financing Receivable, Loan Growth Member
Financing Receivable, Allowance for Credit Loss [Line Items]
Provision for (recapture of) credit losses	$ 6,100

Financing Receivable, Allowance for Credit Loss, Increase (Decrease) in Writeoff, after Recovery

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- Definition

Amount, after recovery, of writeoff of financing receivable, charged against allowance for credit loss.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479319/326-20-50-13

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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Name Regulation S-K (SK)
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-Section 1405
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+ References

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Amount of increase (decrease) in allowance for credit loss on financing receivable.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
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Amount of credit loss expense (reversal of expense) for financing receivable.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
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