Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Assets:
Cash and cash equivalents	$ 67,186	$ 69,672
Investment securities:
Held-to-maturity, at amortized cost (fair value of $5,653 and $7,749)	5,575	7,636
Available-for-Sale Securities, Fair value	801,859	720,128
Total securities	807,434	727,764
Loans:
Commercial and industrial	103,490	109,623
Secured by real estate:
Commercial mortgages	1,273,470	1,193,007
Residential mortgages	1,792,213	1,558,564
Home equity lines	78,746	83,625
Consumer and other	6,690	5,533
Total Loans	3,254,609	2,950,352
Allowance for loan losses	(35,832)	(33,784)
Total	3,218,777	2,916,568
Restricted stock, at cost	36,659	37,314
Bank premises and equipment, net	40,099	39,648
Bank-owned life insurance	79,828	59,665
Pension plan assets, net	19,311	19,152
Deferred income tax benefit	5,723
Other assets	17,458	24,925
Total assets	4,292,475	3,894,708
Deposits:
Checking	922,006	896,129
Savings, NOW and money market	1,761,726	1,602,460
Time, $100,000 and over	302,966	203,890
Time, other	247,200	119,518
Total	3,233,898	2,821,997
Short-term borrowings	255,907	281,141
Long-term debt	414,527	423,797
Accrued expenses and other liabilities	13,904	10,942
Deferred income taxes payable		2,381
Total liabilities	3,918,236	3,540,258
Stockholders' Equity:
Common stock, par value $.10 per share: Authorized, 80,000,000 shares; Issued and outstanding, 25,353,336 and 24,668,390 shares	2,535	2,467
Surplus	143,620	127,122
Retained earnings	238,447	224,315
Total	384,602	353,904
Accumulated other comprehensive income (loss), net of tax	(10,363)	546
Total	374,239	354,450
Total	$ 4,292,475	$ 3,894,708