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LOANS AND ALLOWANCE FOR CREDIT LOSSES - Schedule of Nonaccrual Loans and Loans Past Due (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2024	Dec. 31, 2023
Financing Receivable, Allowance for Credit Loss [Line Items]
Nonaccrual Amortized Cost	$ 23,969	$ 21,407
Nonaccrual With No Related Allowance	15,555	8,834
Past Due 90 Days or Greater and Accruing	6,281	5,538
Interest Income Recognized on Nonaccrual	0	0
Construction and commercial multifamily | Construction
Financing Receivable, Allowance for Credit Loss [Line Items]
Nonaccrual Amortized Cost	0	0
Nonaccrual With No Related Allowance	0	0
Past Due 90 Days or Greater and Accruing	0	0
Interest Income Recognized on Nonaccrual	0	0
Construction and commercial multifamily | Commercial multifamily
Financing Receivable, Allowance for Credit Loss [Line Items]
Nonaccrual Amortized Cost	4,612	0
Nonaccrual With No Related Allowance	4,216	0
Past Due 90 Days or Greater and Accruing	0	0
Interest Income Recognized on Nonaccrual	0	0
Commercial real estate | Commercial real estate owner occupied
Financing Receivable, Allowance for Credit Loss [Line Items]
Nonaccrual Amortized Cost	2,279	605
Nonaccrual With No Related Allowance	1,543	285
Past Due 90 Days or Greater and Accruing	0	199
Interest Income Recognized on Nonaccrual	0	0
Commercial real estate | Commercial real estate non-owner occupied
Financing Receivable, Allowance for Credit Loss [Line Items]
Nonaccrual Amortized Cost	3,578	3,798
Nonaccrual With No Related Allowance	3,526	45
Past Due 90 Days or Greater and Accruing	0	0
Interest Income Recognized on Nonaccrual	0	0
Commercial and industrial
Financing Receivable, Allowance for Credit Loss [Line Items]
Nonaccrual Amortized Cost	8,028	8,665
Nonaccrual With No Related Allowance	4,865	5,586
Past Due 90 Days or Greater and Accruing	425	104
Interest Income Recognized on Nonaccrual	0	0
Residential real estate | Residential real estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Nonaccrual Amortized Cost	4,525	6,696
Nonaccrual With No Related Allowance	1,353	2,796
Past Due 90 Days or Greater and Accruing	4,138	3,991
Interest Income Recognized on Nonaccrual	0	0
Consumer loans | Home equity
Financing Receivable, Allowance for Credit Loss [Line Items]
Nonaccrual Amortized Cost	669	961
Nonaccrual With No Related Allowance	52	122
Past Due 90 Days or Greater and Accruing	836	320
Interest Income Recognized on Nonaccrual	0	0
Consumer loans | Consumer other
Financing Receivable, Allowance for Credit Loss [Line Items]
Nonaccrual Amortized Cost	278	682
Nonaccrual With No Related Allowance	0	0
Past Due 90 Days or Greater and Accruing	882	924
Interest Income Recognized on Nonaccrual	$ 0	$ 0

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/2003/role/disclosureRef
-Name Regulation S-K (SK)
-Number 229
-Section 1405
-Paragraph c
-Publisher SEC

Reference 2: 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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Amortized cost excluding accrued interest, of financing receivable 90 days or more past due and still accruing. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 16
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-16

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Amortized cost excluding accrued interest, of financing receivable on nonaccrual status. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 16
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-16

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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 16
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-16

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+ References

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-Section 50
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-URI https://asc.fasb.org/1943274/2147479319/326-20-50-16

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