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ALLOWANCE FOR CREDIT LOSSES - LOANS - Amortized cost basis of collateral-dependent loans (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Financing Receivable, Allowance for Credit Loss [Line Items]
Total	$ 1,038,271	$ 990,766
Collateral Pledged [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Total	9,140
Other commercial and industrial
Financing Receivable, Allowance for Credit Loss [Line Items]
Total	159,424
Commercial real estate (non-owner occupied) - multi-family
Financing Receivable, Allowance for Credit Loss [Line Items]
Total	110,008
Other commercial real estate (non-owner occupied)
Financing Receivable, Allowance for Credit Loss [Line Items]
Total	240,286
Other commercial real estate (non-owner occupied) | Collateral Pledged [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Total	8,780
Residential mortgage
Financing Receivable, Allowance for Credit Loss [Line Items]
Total	174,670	297,971
Residential mortgage | Collateral Pledged [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Total	173
Commercial
Financing Receivable, Allowance for Credit Loss [Line Items]
Total	760,826
Commercial | Collateral Pledged [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Total	187
Commercial | Commercial real estate (owner occupied)
Financing Receivable, Allowance for Credit Loss [Line Items]
Total	89,147	75,158
Commercial | Other commercial and industrial
Financing Receivable, Allowance for Credit Loss [Line Items]
Total	159,424
Commercial | Commercial real estate (non-owner occupied)
Financing Receivable, Allowance for Credit Loss [Line Items]
Total		450,744
Commercial | Commercial real estate (non-owner occupied) - retail
Financing Receivable, Allowance for Credit Loss [Line Items]
Total	161,961
Commercial | Commercial real estate (non-owner occupied) - multi-family
Financing Receivable, Allowance for Credit Loss [Line Items]
Total	110,008
Commercial | Other commercial real estate (non-owner occupied)
Financing Receivable, Allowance for Credit Loss [Line Items]
Total	240,286
Consumer
Financing Receivable, Allowance for Credit Loss [Line Items]
Total	277,445
Consumer | Residential mortgage
Financing Receivable, Allowance for Credit Loss [Line Items]
Total	174,670
Consumer | Consumer
Financing Receivable, Allowance for Credit Loss [Line Items]
Total	$ 102,775	$ 13,473

X

- 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

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

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name Regulation S-K (SK)
-Number 229
-Section 1405
-Paragraph c
-Publisher SEC

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- Definition

Amortized cost excluding accrued interest, before allowance for credit loss, of financing receivable. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479344/326-20-45-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3B
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479319/326-20-50-3B

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479319/326-20-50-5

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