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FAIR VALUES - Level 3 Non-Recurring Fair Value Measurement (Details) - Non-recurring - Significant Unobservable Inputs (Level 3) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Assets, fair value disclosure	$ 884
Commercial and industrial
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Assets, fair value disclosure		$ 62
Commercial and industrial | Net present value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Assets, fair value disclosure	$ 11
Commercial and industrial | Net present value | Minimum | Market discount rate
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair value inputs, discount to appraised value	41.29%	48.64%
Commercial and industrial | Net present value | Maximum | Market discount rate
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair value inputs, discount to appraised value	41.29%	57.33%
Commercial and industrial | Net present value | Weighted Average | Market discount rate
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair value inputs, discount to appraised value	41.29%	55.57%
Commercial mortgages, other | Commercial mortgages, other | Income approach
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Assets, fair value disclosure	$ 873
Commercial mortgages, other | Commercial mortgages, other | Income approach | Minimum | Adjustment to appraised value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair value inputs, discount to appraised value	16.86%
Commercial mortgages, other | Commercial mortgages, other | Income approach | Maximum | Adjustment to appraised value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair value inputs, discount to appraised value	16.86%
Commercial mortgages, other | Commercial mortgages, other | Income approach | Weighted Average | Adjustment to appraised value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair value inputs, discount to appraised value	16.86%
Other real estate owned:
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Assets, fair value disclosure	$ 411	$ 326
Other real estate owned: | Residential mortgages | Sales comparison
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Assets, fair value disclosure	$ 126	$ 116
Other real estate owned: | Residential mortgages | Sales comparison | Minimum | Adjustment to appraised value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair value inputs, discount to appraised value	20.80%	20.80%
Other real estate owned: | Residential mortgages | Sales comparison | Maximum | Adjustment to appraised value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair value inputs, discount to appraised value	20.80%	20.80%
Other real estate owned: | Residential mortgages | Sales comparison | Weighted Average | Adjustment to appraised value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair value inputs, discount to appraised value	20.80%	20.80%
Other real estate owned: | Home equity lines and loans | Sales comparison
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Assets, fair value disclosure	$ 285	$ 210
Other real estate owned: | Home equity lines and loans | Sales comparison | Minimum | Adjustment to appraised value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair value inputs, discount to appraised value	20.80%	20.80%
Other real estate owned: | Home equity lines and loans | Sales comparison | Maximum | Adjustment to appraised value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair value inputs, discount to appraised value	20.80%	20.80%
Other real estate owned: | Home equity lines and loans | Sales comparison | Weighted Average | Adjustment to appraised value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair value inputs, discount to appraised value	20.80%	20.80%

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Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 100
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482078/820-10-55-100

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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-Section 50
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