CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Operating Activities
Net income	$ 3,915	$ 3,487
(Accretion), amortization and depreciation:
Securities	29	77
Bank premises and equipment	820	648
Core deposit intangible	236	253
Modification fees on Federal Home Loan Bank of Boston advances	116	114
Subordinated debt issuance costs	12	11
Mortgage servicing rights	23	136
Fair value adjustment on loans	(462)	(744)
Fair value adjustment on deposits	(21)	(47)
(Gains) and losses, including write-downs
(Gain) loss and write-downs on sales and calls of securities available-for-sale, net	(16)	14
Loss on CRA mutual fund	20
Gains on sales of loans, excluding capitalized servicing rights	(10)	(59)
Write-downs of other real estate owned	53	145
Loss on sale/disposals of premises and equipment	1	1
Provision for loan losses	793	716
Proceeds from loans sold	679	3,463
Loans originated for sale	(206)	(3,998)
(Increase) decrease in deferred loan origination fees and costs, net	(161)	47
Mortgage servicing rights originated	(7)	(38)
Increase in mortgage servicing rights impairment reserve		1
(Increase) decrease in interest receivable	(355)	133
Deferred tax benefit	(152)
Increase (decrease) in prepaid expenses	129	(104)
Increase in cash surrender value of life insurance policies	(163)	(173)
Decrease in income tax receivable	606	76
Increase (decrease) in other assets	(17)	802
Increase in accrued expenses	(317)	(996)
Increase (decrease) in interest payable	123	(2)
Increase in other liabilities	(109)	58
Stock based compensation - restricted stock awards	208	122
Net cash provided by operating activities	5,767	4,143
Investing Activities
Purchase of Federal Home Loan Bank of Boston stock, net of redemptions	(1,175)	(241)
Purchases of securities available-for-sale	(26,248)	(25,116)
Proceeds from sales of securities available-for-sale	8,410
Proceeds from calls of securities available-for-sale	945	9,221
Proceeds from maturities of securities available-for-sale	8,706	14,547
Reinvestment of CRA mutual fund	(10)
Loan originations and principle collections, net	(63,442)	(2,091)
Recoveries of loans previously charged off	27	100
Proceeds from sales of other real estate owned	188	177
Capital expenditures	(1,097)	(795)
Cash and cash equivalents (paid) acquired from acquisition	(298)	22,375
Net cash (utilized) provided by investing activities	(73,994)	18,177
Financing Activities
Increase (decrease) in deposit transaction accounts, net	56,901	(2,418)
Increase (decrease) in time deposits, net	16,783	603
Decrease in securities sold under agreements to repurchase, net	23	(3,409)
Federal Home Loan Bank of Boston advances	52,000	10,000
Principal payments on Federal Home Loan Bank of Boston advances	(27,000)
Principal payments on note payable	(16)	(17)
Decrease in capital lease obligation	(61)	(11)
Stock options exercised	145	313
Issuance of shares for directors' fees		81
Common stock dividends paid	(1,561)	(1,555)
Net cash provided by financing activities	97,214	3,587
Net increase in cash and cash equivalents	28,987	25,907
Cash and cash equivalents, beginning of period	48,486	35,485
Cash and cash equivalents, end of period	77,473	61,392
Cash paid (received) during period
Interest	2,784	1,903
Income taxes	516	1,133
Non-cash investing and financing activities
Capital lease obligation		403
Transfer from loans to other real estate owned	1,373
Adoption of new accounting principle	16
Branch Acquisitions
Cash and cash equivalents (paid) acquired	(298)	22,375
Net loans acquired	7,849	7,097
Fixed assets acquired (including capital lease in previous year)	761	1,605
Accrued interest receivable acquired	5	12
Other assets acquired	6	20
Core deposit intangible		632
Goodwill		1,275
Deposits assumed	8,323	31,433
Capital lease assumed		1,580
Other liabilities assumed		$ 3