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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Loans and Leases (Details)	12 Months Ended
	Dec. 31, 2021
Financing Receivable, Past Due [Line Items]
Threshold period past due for nonperforming status of financing receivables	90 days
Single family residential mortgage
Financing Receivable, Past Due [Line Items]
Threshold period past due for write-off of financing receivable	180 days
Commercial and industrial
Financing Receivable, Past Due [Line Items]
Threshold period past due for write-off of financing receivable	90 days
Consumer loans
Financing Receivable, Past Due [Line Items]
Threshold period past due for write-off of financing receivable	120 days

X

- Definition

Threshold Period Past Due For Nonperforming Status Of Financing Receivables

+ References

No definition available.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

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- Definition

Threshold period for when financing receivable is considered past due to write off as uncollectible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 14
-URI http://asc.fasb.org/extlink&oid=124255953&loc=SL82919253-210447

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