LOANS AND ALLOWANCE FOR CREDIT LOSSES - Impaired Loans (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2024	Mar. 31, 2023
Average Amortized Cost Basis
Average recorded investment, total	$ 6,873	$ 6,836
Interest Income Recognized
Total	4	18
Residential Mortgages
Average Amortized Cost Basis
With no related allowance recorded	0	715
Interest Income Recognized
With no related allowance recorded	0	9
Construction \| Commercial Mortgages
Average Amortized Cost Basis
With no related allowance recorded	2,208	0
Interest Income Recognized
With no related allowance recorded	0	0
Commercial mortgages, other \| Commercial Mortgages
Average Amortized Cost Basis
With no related allowance recorded	2,733	4,053
With an allowance recorded	25	36
Interest Income Recognized
With no related allowance recorded	0	7
With an allowance recorded	0	0
Home equity lines and loans \| Consumer Loans
Average Amortized Cost Basis
With no related allowance recorded	0	254
Interest Income Recognized
With no related allowance recorded	0	0
Commercial and Agricultural Sector \| Commercial and industrial
Average Amortized Cost Basis
With no related allowance recorded	49	729
With an allowance recorded	1,844	1,049
Interest Income Recognized
With no related allowance recorded	1	0
With an allowance recorded	3	2
Commercial and Agricultural Sector \| Agricultural
Average Amortized Cost Basis
With no related allowance recorded	0	0
With an allowance recorded	14	0
Interest Income Recognized
With no related allowance recorded	0	0
With an allowance recorded	$ 0	$ 0

Average amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (c)(1)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481962/310-10-50-15

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 17
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481962/310-10-50-17

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+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (c)(2)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481962/310-10-50-15

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