Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
OPERATING ACTIVITIES:
Net income	$ 3,366	$ 3,313
Adjustments to reconcile net income to net cash provided by operating activities:
(Credit) provision for loan losses	(305)	480
Depreciation and amortization of premises and equipment	530	532
Net amortization of premiums and discounts on securities and mortgage loans	2,307	1,937
Net amortization of premiums on modified debt	312	214
Share-based compensation expense	82	968
Amortization of ESOP expense	307	327
Excess tax benefits from equity incentive plan	(2)	(12)
Excess tax benefits in connection with stock option exercises		(203)
Net gains on sales of securities	(2,250)	(1,681)
Gain on sale of other real estate owned	6
Deferred income tax benefit	(8)	(102)
Income from bank-owned life insurance	(773)	(661)
Gain on bank-owned life insurance death benefit	(563)	(80)
Changes in assets and liabilities:
Accrued interest receivable	141	(661)
Other assets	842	(332)
Other liabilities	531	755
Net cash provided by operating activities	4,523	4,804
Securities, held to maturity:
Purchases	(2,636)
Proceeds from calls, maturities, and principal collections	363
Securities, available for sale:
Purchases	(150,972)	(255,877)
Proceeds from sales	122,092	189,949
Proceeds from calls, maturities, and principal collections	41,654	44,884
Purchase of residential mortgages	(28,491)	(45,690)
Loan originations and principal payments, net	16,751	15,588
Purchase of Federal Home Loan Bank of Boston stock	(1,391)	(1,802)
Proceeds from redemption of other restricted stock	31	195
Proceeds from sale of other real estate owned	958
Purchases of premises and equipment	(764)	(713)
Purchase of banked-owned life insurance		(2,600)
Surrender of bank-owned life insurance		1,585
Disbursement of bank-owned life insurance gain	(282)
Proceeds from payout on bank-owned life insurance	1,437
Net cash used in investing activities	(1,250)	(54,481)
FINANCING ACTIVITIES:
Net increase in deposits	29,269	14,593
Net change in short-term borrowings	38	5,589
Repayment of long-term debt	(41,250)	(48,231)
Proceeds from long-term debt	32,068	90,667
Cash dividends paid	(3,534)	(5,581)
Common stock repurchased	(15,921)	(9,024)
Issuance of common stock in connection with stock option exercises		854
Excess tax benefits in connection with equity incentive plan	2	12
Excess tax benefits in connection with stock option exercises		203
Net cash (used) provided by financing activities	672	49,082
NET CHANGE IN CASH AND CASH EQUIVALENTS:	3,945	(595)
Beginning of period	11,761	21,105
End of period	15,706	20,510
Supplemental cashflow information:
Securities reclassified from available-for-sale to held-to-maturity	172,091
Interest paid	5,359	6,408
Taxes paid	313	1,604
Net cash paid to broker for common stock repurchased		$ 352