LOANS AND LEASES - Nonaccrual Loans (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Nonaccrual, With Allowance	$ 30,907		$ 25,919
Financing Receivable, Nonaccrual, No Allowance	54,339		54,833
Nonaccrual loans	85,246		80,752
Interest income effect
Gross amount of interest that would have been recorded under original terms	1,487	$ 1,306
Interest included in income
Nonaccrual loans	483	167
Troubled debt restructurings	86	235
Total interest included in income	569	402
Net impact on interest income	918	$ 904
Commercial
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Nonaccrual, With Allowance	12,505		18,711
Financing Receivable, Nonaccrual, No Allowance	12,436		10,519
Nonaccrual loans	24,941		29,230
Lease financing
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Nonaccrual, With Allowance	0		0
Financing Receivable, Nonaccrual, No Allowance	0		0
Nonaccrual loans	0		0
Construction real estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Nonaccrual, With Allowance	0		0
Financing Receivable, Nonaccrual, No Allowance	0		0
Nonaccrual loans	0		0
Commercial real estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Nonaccrual, With Allowance	18,402		6,957
Financing Receivable, Nonaccrual, No Allowance	26,112		27,725
Nonaccrual loans	44,514		34,682
Residential real estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Nonaccrual, With Allowance	0		251
Financing Receivable, Nonaccrual, No Allowance	11,359		11,350
Nonaccrual loans	11,359		11,601
Home equity
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Nonaccrual, With Allowance	0		0
Financing Receivable, Nonaccrual, No Allowance	4,286		5,076
Nonaccrual loans	4,286		5,076
Installment
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Nonaccrual, With Allowance	0		0
Financing Receivable, Nonaccrual, No Allowance	146		163
Nonaccrual loans	$ 146		$ 163

Financing Receivable, Impaired, Interest Income that would have been recorded

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- Definition

Financing Receivable, Impaired, Interest Income Recorded on Nonaccrual Loans

+ References

No definition available.

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- Definition

Financing Receivable, Impaired, Interest Income Recorded on Restructured Loans

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- Definition

Financing Receivable, Nonaccrual, With Allowance

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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

No definition available.

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Amount of financing receivable on nonaccrual status with no allowance for credit loss.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 16
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919258-210447

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- Definition

Amount of financing receivable on nonaccrual status.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 7
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-URI http://asc.fasb.org/extlink&oid=121611835&loc=d3e5111-111524

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
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-Paragraph 16
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919258-210447

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- Definition

Amount of interest income recognized that the financing receivables (with related allowance for credit losses and without a related allowance for credit losses) were impaired.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 15
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-URI http://asc.fasb.org/extlink&oid=121611835&loc=d3e5212-111524

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Reflects the amount of additional interest income that would have been recorded if impaired or nonperforming loans were instead current, in compliance with their original terms, and outstanding throughout the reporting period or since origination (if held for part of the period).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 40
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=121585226&loc=d3e18794-111554

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