CREDIT QUALITY ASSESSMENT - Non-accrual Loans (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
Mar. 31, 2024	Dec. 31, 2023
Financing Receivable, Nonaccrual [Line Items]
Average non-accrual loans for the period	$ 87,786	$ 58,813
Contractual interest income due on non- accrual loans during the period	1,414	2,552
Commercial real estate: \| Commercial investor real estate
Financing Receivable, Nonaccrual [Line Items]
Average non-accrual loans for the period	57,119	28,650
Contractual interest income due on non- accrual loans during the period	923	760
Commercial real estate: \| Commercial owner-occupied real estate
Financing Receivable, Nonaccrual [Line Items]
Average non-accrual loans for the period	4,517	4,795
Contractual interest income due on non- accrual loans during the period	71	298
Commercial real estate: \| Commercial AD&C
Financing Receivable, Nonaccrual [Line Items]
Average non-accrual loans for the period	908	812
Contractual interest income due on non- accrual loans during the period	14	41
Commercial Business
Financing Receivable, Nonaccrual [Line Items]
Average non-accrual loans for the period	8,608	9,640
Contractual interest income due on non- accrual loans during the period	154	716
Residential real estate: \| Residential mortgage
Financing Receivable, Nonaccrual [Line Items]
Average non-accrual loans for the period	12,084	10,547
Contractual interest income due on non- accrual loans during the period	149	432
Residential real estate: \| Residential construction
Financing Receivable, Nonaccrual [Line Items]
Average non-accrual loans for the period	493	223
Contractual interest income due on non- accrual loans during the period	6	6
Consumer
Financing Receivable, Nonaccrual [Line Items]
Average non-accrual loans for the period	4,057	4,146
Contractual interest income due on non- accrual loans during the period	$ 97	$ 299

Average amount of nonaccrual financing receivables with related allowance for credit losses.

No definition available.

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- Definition

Amount of interest income on financing receivable on nonaccrual status.

+ References

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

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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

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

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