CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Operating Activities
Net income	$ 6,259	$ 5,180
(Accretion), amortization and depreciation:
Securities	32	116
Bank premises and equipment	1,249	979
Core deposit intangible	347	395
Modification fees on Federal Home Loan Bank of Boston advances	174	176
Subordinated debt issuance costs	18	17
Mortgage servicing rights	34	149
Fair value adjustment on loans	(658)	(969)
Fair value adjustment on deposits	(30)	(64)
(Gains) and losses, including write-downs
Sales and calls of securities available-for-sale, net	(16)	14
CRA mutual fund	26
Sales of loans, excluding capitalized servicing rights	(28)	(79)
Other real estate owned	91	395
Sales/disposals of premises and equipment	1	1
Provision for loan losses	1,171	953
Proceeds from loans sold	1,946	4,495
Loans originated for sale	(1,838)	(4,977)
Increase in deferred loan origination fees and costs, net	(179)	(38)
Mortgage servicing rights originated	(18)	(53)
(Decrease) increase in mortgage servicing rights impairment reserve		(24)
Increase in interest receivable	(647)	(84)
Deferred tax benefit	(471)
Increase in prepaid expenses	(167)	(59)
Increase in cash surrender value of life insurance policies	(246)	(259)
Decrease in income tax receivable	839	43
(Increase) decrease in other assets	(48)	920
Increase (decrease) in accrued expenses	496	(384)
Increase in interest payable	283	157
Increase (decrease) in other liabilities	1,596	(16)
Stock based compensation - restricted stock awards	334	200
Net cash provided by operating activities	10,550	7,184
Investing Activities
(Purchases) redemption of Federal Home Loan Bank of Boston stock, net of redemptions	(1,175)	173
Purchases of securities available-for-sale	(40,035)	(36,654)
Proceeds from sales of securities available-for-sale	8,410
Proceeds from calls of securities available-for-sale	995	11,141
Proceeds from maturities of securities available-for-sale	11,554	19,618
Reinvestment of CRA mutual fund	(14)
Loan originations and principle collections, net	(89,457)	(14,776)
Recoveries of loans previously charged off	50	232
Proceeds from sales of other real estate owned	288	177
Capital expenditures	(1,209)	(1,306)
Cash and cash equivalents (paid) acquired from acquisition	(298)	22,387
Net cash (used by) provided by investing activities	(110,891)	992
Financing Activities
Increase in deposit transaction accounts, net	57,502	18,714
Increase in time deposits, net	20,872	136
Increase (decrease) in securities sold under agreements to repurchase, net	4,990	(1,006)
Federal Home Loan Bank of Boston advances	82,000
Principal payments on Federal Home Loan Bank of Boston advances	(69,000)	(10,000)
Principal payments on note payable	(24)	(23)
Decrease in capital lease obligation	(94)	(139)
Proceeds from exercise of stock options	175	312
Issuance of shares for directors' fees		81
Common stock dividends paid	(2,346)	(2,333)
Net cash provided by financing activities	94,075	5,742
Net (decrease) increase in cash and cash equivalents	(6,266)	13,918
Cash and cash equivalents, beginning of period	48,486	35,485
Cash and cash equivalents, end of period	42,220	49,403
Supplemental Cash Flow Information:
Cash paid for interest	4,585	2,810
Cash paid for income taxes	665	1,958
Non-cash investing and financing activities:
Transfer from loans to other real estate owned		743
Assets acquired under capital lease	1,373
Adoption of new accounting principle	16
Branch Acquisitions
Cash and cash equivalents (paid) acquired	(298)	22,387
Net loans acquired	7,849	7,097
Fixed assets acquired (including capital leases)	761	1,605
Accrued interest receivable acquired	5	12
Other assets acquired	5	20
Core deposit intangible		632
Goodwill		1,263
Deposits assumed	8,322	31,433
Capital lease assumed		1,580
Other liabilities assumed		$ 3