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LOANS AND CREDIT QUALITY - Gross Charge-offs by Year and Type (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Financing receivable, year one, Gross charge-offs |  |  | $ 0 |
Financing receivable, year two, Gross charge-offs |  |  | (61) |
Financing receivable, year three, Gross charge-offs |  |  | (198) |
Financing receivable, year four, Gross charge-offs |  |  | 0 |
Financing receivable, year five, Gross charge-offs |  |  | (564) |
Financing receivable, prior to year five, Gross charge-offs |  |  | 0 |
Revolving |  |  | (66) |
Revolving-term |  |  | (50) |
Charge-offs | $ (256) | $ (682) | (939) | $ (726)
Consumer loans |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Charge-offs | (90) | (33) | (140) | (66)
Consumer loans | Home equity and other |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Financing receivable, year one, Gross charge-offs |  |  | 0 |
Financing receivable, year two, Gross charge-offs |  |  | (61) |
Financing receivable, year three, Gross charge-offs |  |  | (13) |
Financing receivable, year four, Gross charge-offs |  |  | 0 |
Financing receivable, year five, Gross charge-offs |  |  | 0 |
Financing receivable, prior to year five, Gross charge-offs |  |  | 0 |
Revolving |  |  | (66) |
Revolving-term |  |  | 0 |
Charge-offs | (90) | (33) | (140) | (66)
Commercial loans | Commercial business |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Financing receivable, year one, Gross charge-offs |  |  | 0 |
Financing receivable, year two, Gross charge-offs |  |  | 0 |
Financing receivable, year three, Gross charge-offs |  |  | (185) |
Financing receivable, year four, Gross charge-offs |  |  | 0 |
Financing receivable, year five, Gross charge-offs |  |  | (564) |
Financing receivable, prior to year five, Gross charge-offs |  |  | 0 |
Revolving |  |  | 0 |
Revolving-term |  |  | (50) |
Charge-offs | $ (166) | $ (649) | $ (799) | $ (660)

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- Definition Amount, excluding accrued interest, of decrease in allowance for credit loss on financing receivable from writeoff. 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 6 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-6 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-13 + Details
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- Definition Amount, excluding accrued interest, of writeoff of financing receivable originated more than five years before current fiscal year. 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 6 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-6 + Details
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- Definition Amount, excluding accrued interest, of writeoff of revolving financing receivable converted to term loan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6A -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-6A + Details
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