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LOANS AND CREDIT QUALITY - Gross Charge-offs by Year and Type (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Gross charge-offs, year one | $ 0 |  |
Gross charge-offs, year two | (106) |  |
Gross charge-offs, year three | (206) |  |
Gross charge-offs, year four | 0 |  |
Gross charge-offs, year five | (1,136) |  |
Gross charge-offs, originated more than five years prior, net | 291 |  |
Revolving | (174) |  |
Revolving-term | (50) |  |
Total | (1,381) | $ (1,266) | $ (2,349)
Commercial business | Commercial business |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Gross charge-offs, year one | 0 |  |
Gross charge-offs, year two | 0 |  |
Gross charge-offs, year three | (184) |  |
Gross charge-offs, year four | 0 |  |
Gross charge-offs, year five | (1,136) |  |
Gross charge-offs, originated more than five years prior, net | 295 |  |
Revolving, net | 13 |  |
Revolving-term | (50) |  |
Total | (1,062) | (1,098) | (1,739)
Consumer loans |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Total | (319) | (168) | (610)
Consumer loans | Home equity and other |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Gross charge-offs, year one | 0 |  |
Gross charge-offs, year two | (106) |  |
Gross charge-offs, year three | (22) |  |
Gross charge-offs, year four | 0 |  |
Gross charge-offs, year five | 0 |  |
Gross charge-offs, originated more than five years prior | (4) |  |
Revolving | (187) |  |
Revolving-term | 0 |  |
Total | $ (319) | $ (168) | $ (483)

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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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