CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Interest and dividend income
Interest and fees on loans	$ 44,874	$ 41,080	$ 40,796
Interest on debt securities
Taxable	3,479	2,048	1,671
Tax exempt	787	697	672
Other interest and dividends	871	247	295
Total interest and dividend income	50,011	44,072	43,434
Interest expense
Deposits	3,724	2,160	3,890
Repurchase agreements	30	16	20
Finance lease	163	136	141
Note payable	9	11	14
Subordinated debt	932	1,000	618
Federal Home Loan Bank of Boston advances	114	125	605
Total interest expense	4,972	3,448	5,288
Net interest and dividend income	45,039	40,624	38,146
Provision (release) for loan losses	2,683	(720)	5,038
Net interest and dividend income after provision (release) for loan losses	42,356	41,344	33,108
Non-interest income
Trust and wealth advisory	4,887	4,970	4,194
Service charges and fees	5,299	4,822	3,072
Mortgage banking activities, net	556	1,000	1,621
(Losses) gains on mutual funds	(120)	(26)	19
Gains on securities, net	165	(2)	196
Bank-owned life insurance (“BOLI”) income	717	556	495
Gain on bank-owned life insurance	89		601
Gain on sale of assets		73
Other	109	107	125
Total non-interest income	11,702	11,500	10,323
Non-interest expense
Salaries	14,932	13,417	11,828
Employee benefits	5,125	5,023	4,533
Premises and equipment	4,281	4,114	4,019
Write-down of assets	3	144
Information processing and services	2,795	2,441	2,211
Professional fees	3,218	2,779	2,741
Collections, OREO, and loan related	376	455	323
FDIC insurance	526	541	466
Marketing and community support	822	881	573
Amortization of intangibles	191	256	321
Other	2,376	2,053	2,023
Total non-interest expense	34,645	32,104	29,038
Income before income taxes	19,413	20,740	14,393
Income tax provision	3,539	4,267	2,453
Net income	15,874	16,473	11,940
Net income available to common shareholders	$ 15,598	$ 16,225	$ 11,775
Basic earnings per common share1	$ 2.75	$ 2.88	$ 2.11
Diluted earnings per common share1	2.74	2.86	2.10
Common dividends per share1	$ 0.64	$ 0.61	$ 0.58