Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Assets:
Cash and cash equivalents	$ 56,710	$ 36,929
Investment securities:
Held-to-maturity, at amortized cost (fair value of $9,372 and $11,637)	9,201	11,387
Available-for-sale, at fair value	739,573	815,299
Total securities	748,774	826,686
Loans:
Commercial and industrial	123,791	126,038
Secured by real estate:
Commercial mortgages	1,128,454	1,085,198
Residential mortgages	1,427,555	1,238,431
Home equity lines	88,392	86,461
Consumer and other	5,864	9,293
Total Loans	2,774,056	2,545,421
Allowance for loan losses	(32,136)	(30,057)
Total	2,741,920	2,515,364
Restricted stock, at cost	30,530	31,763
Bank premises and equipment, net	35,654	34,361
Bank-owned life insurance	58,842	33,097
Pension plan assets, net	17,384	17,316
Other assets	15,480	14,804
Total	3,705,294	3,510,320
Deposits:
Checking	850,316	808,311
Savings, NOW and money market	1,647,281	1,519,749
Time, $100,000 and over	203,825	178,918
Time, other	114,186	101,739
Total	2,815,608	2,608,717
Short-term borrowings	136,017	207,012
Long-term debt	412,362	379,212
Accrued expenses and other liabilities	9,061	9,481
Deferred income taxes payable	1,971	68
Total	3,375,019	3,204,490
Stockholders' Equity:
Common stock, par value $.10 per share: Authorized, 40,000,000 shares; Issued and outstanding, 24,129,266 and 23,699,107 shares	2,413	2,370
Surplus	111,569	101,738
Retained earnings	214,787	203,326
Total	328,769	307,434
Accumulated other comprehensive income (loss), net of tax	1,506	(1,604)
Total	330,275	305,830
Total	$ 3,705,294	$ 3,510,320