LOANS AND ALLOWANCE FOR LOAN LOSSES - Receivables Past Due (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Financing Receivable, Recorded Investment, Past Due [Line Items]
Non-accrual	$ 8,178	$ 8,114
Loans Past Due 90 Days or More and Still Accruing	1	4
Total recorded investment in loans	1,835,996	1,522,382
30 - 59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total recorded investment in loans	4,129	2,476
60 - 89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total recorded investment in loans	1,054	908
90 Days or More Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total recorded investment in loans	1,474	2,672
Total Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total recorded investment in loans	6,657	6,056
Loans Not Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total recorded investment in loans	1,829,339	1,516,326
Commercial, and Agricultural
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total recorded investment in loans	253,291	258,013
Commercial mortgages:
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total recorded investment in loans	1,000,861	804,825
Residential Mortgages
Financing Receivable, Recorded Investment, Past Due [Line Items]
Non-accrual	986	1,039
Loans Past Due 90 Days or More and Still Accruing	0	0
Total recorded investment in loans	286,445	259,967
Residential Mortgages | 30 - 59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total recorded investment in loans	1,386	580
Residential Mortgages | 60 - 89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total recorded investment in loans	715	32
Residential Mortgages | 90 Days or More Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total recorded investment in loans	294	652
Residential Mortgages | Total Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total recorded investment in loans	2,395	1,264
Residential Mortgages | Loans Not Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total recorded investment in loans	284,050	258,703
Consumer Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total recorded investment in loans	295,399	199,577
Construction | Commercial mortgages:
Financing Receivable, Recorded Investment, Past Due [Line Items]
Non-accrual	5	34
Loans Past Due 90 Days or More and Still Accruing	0	0
Total recorded investment in loans	108,671	82,435
Construction | Commercial mortgages: | 30 - 59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total recorded investment in loans	0	0
Construction | Commercial mortgages: | 60 - 89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total recorded investment in loans	0	0
Construction | Commercial mortgages: | 90 Days or More Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total recorded investment in loans	0	0
Construction | Commercial mortgages: | Total Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total recorded investment in loans	0	0
Construction | Commercial mortgages: | Loans Not Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total recorded investment in loans	108,671	82,435
Commercial mortgages | Commercial mortgages:
Financing Receivable, Recorded Investment, Past Due [Line Items]
Non-accrual	3,928	3,844
Loans Past Due 90 Days or More and Still Accruing	0	0
Total recorded investment in loans	892,190	722,390
Commercial mortgages | Commercial mortgages: | 30 - 59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total recorded investment in loans	1,066	24
Commercial mortgages | Commercial mortgages: | 60 - 89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total recorded investment in loans	0	224
Commercial mortgages | Commercial mortgages: | 90 Days or More Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total recorded investment in loans	486	1,302
Commercial mortgages | Commercial mortgages: | Total Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total recorded investment in loans	1,552	1,550
Commercial mortgages | Commercial mortgages: | Loans Not Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total recorded investment in loans	890,638	720,840
Home equity lines and loans | Consumer Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Non-accrual	760	790
Loans Past Due 90 Days or More and Still Accruing	0	0
Total recorded investment in loans	81,702	70,854
Home equity lines and loans | Consumer Loans | 30 - 59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total recorded investment in loans	194	256
Home equity lines and loans | Consumer Loans | 60 - 89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total recorded investment in loans	122	69
Home equity lines and loans | Consumer Loans | 90 Days or More Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total recorded investment in loans	442	424
Home equity lines and loans | Consumer Loans | Total Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total recorded investment in loans	758	749
Home equity lines and loans | Consumer Loans | Loans Not Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total recorded investment in loans	80,944	70,105
Indirect Consumer Loans | Consumer Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Non-accrual	540	462
Loans Past Due 90 Days or More and Still Accruing	0	0
Total recorded investment in loans	202,590	118,855
Indirect Consumer Loans | Consumer Loans | 30 - 59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total recorded investment in loans	1,407	1,179
Indirect Consumer Loans | Consumer Loans | 60 - 89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total recorded investment in loans	195	424
Indirect Consumer Loans | Consumer Loans | 90 Days or More Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total recorded investment in loans	250	255
Indirect Consumer Loans | Consumer Loans | Total Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total recorded investment in loans	1,852	1,858
Indirect Consumer Loans | Consumer Loans | Loans Not Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total recorded investment in loans	200,738	116,997
Direct consumer loans | Consumer Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Non-accrual	13	13
Loans Past Due 90 Days or More and Still Accruing	0	0
Total recorded investment in loans	11,107	9,868
Direct consumer loans | Consumer Loans | 30 - 59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total recorded investment in loans	2	24
Direct consumer loans | Consumer Loans | 60 - 89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total recorded investment in loans	19	11
Direct consumer loans | Consumer Loans | 90 Days or More Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total recorded investment in loans	1	13
Direct consumer loans | Consumer Loans | Total Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total recorded investment in loans	22	48
Direct consumer loans | Consumer Loans | Loans Not Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total recorded investment in loans	11,085	9,820
Commercial and industrial | Commercial, and Agricultural
Financing Receivable, Recorded Investment, Past Due [Line Items]
Non-accrual	1,946	1,932
Loans Past Due 90 Days or More and Still Accruing	1	4
Total recorded investment in loans	253,041	257,618
Commercial and industrial | Commercial, and Agricultural | 30 - 59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total recorded investment in loans	74	413
Commercial and industrial | Commercial, and Agricultural | 60 - 89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total recorded investment in loans	3	148
Commercial and industrial | Commercial, and Agricultural | 90 Days or More Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total recorded investment in loans	1	26
Commercial and industrial | Commercial, and Agricultural | Total Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total recorded investment in loans	78	587
Commercial and industrial | Commercial, and Agricultural | Loans Not Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total recorded investment in loans	252,963	257,031
Agricultural | Commercial, and Agricultural
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total recorded investment in loans	250	395
Agricultural | Commercial, and Agricultural | 30 - 59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total recorded investment in loans	0	0
Agricultural | Commercial, and Agricultural | 60 - 89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total recorded investment in loans	0	0
Agricultural | Commercial, and Agricultural | 90 Days or More Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total recorded investment in loans	0	0
Agricultural | Commercial, and Agricultural | Total Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total recorded investment in loans	0	0
Agricultural | Commercial, and Agricultural | Loans Not Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total recorded investment in loans	$ 250	$ 395