Consolidated Statements of Income and Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Interest and Dividend Income:
Loans including fees	$ 71,814	$ 69,512	$ 53,927
Securities:
Taxable	10,977	13,257	13,456
Tax-exempt	3,778	3,713	3,828
Dividends	609	400	205
Total interest and dividend income	87,178	86,882	71,416
Interest Expense:
Deposits	8,498	8,300	7,995
Borrowed funds	3,222	3,241	3,447
Subordinated debentures (includes $378, $384, and $400 accumulated other comprehensive income reclassification for change in fair value of interest rate swap agreements in 2015, 2014, and 2013)	751	746	770
Total interest expense	12,471	12,287	12,212
Net Interest Income	74,707	74,595	59,204
Provision for loan losses	2,560	3,840	6,138
Net Interest Income After Provision for Loan Losses	72,147	70,755	53,066
Non-Interest Income:
Wealth and asset management fees	2,977	2,860	2,426
Service charges on deposit accounts	4,442	4,560	4,272
Other service charges and fees	3,089	2,809	2,179
Net realized gains on available-for-sale securities (includes $666, $429, and $355 accumulated other comprehensive income reclassifications for net realized gains on available-for-sale securities in 2015, 2014, and 2013)	666	429	355
Net realized gains (losses) on trading securities	(211)	10	579
Net unrealized gains (losses) on trading securities	(2)	111	149
Mortgage banking	746	781	940
Bank owned life insurance	1,194	1,041	1,552
Other	1,898	1,720	1,314
Total non-interest income	14,799	14,321	13,766
Non-Interest Expenses:
Salaries	21,652	19,530	15,467
Employee benefits	7,911	7,461	6,250
Net occupancy expense	7,000	6,911	5,506
Amortization of core deposit intangible	1,008	1,180	251
Data processing	4,405	3,996	3,469
State and local taxes	1,868	1,895	1,549
Legal, professional and examination fees	1,553	1,363	1,318
Advertising	1,580	1,455	939
FDIC insurance	1,278	1,322	1,266
Directors fees and benefits	812	625	776
Merger costs	308	0	2,396
Other	7,082	6,950	4,626
Total non-interest expenses	56,457	52,688	43,813
Income Before Income Taxes	30,489	32,388	23,019
Income Tax Expense	8,292	9,314	6,340
Net Income	22,197	23,074	16,679
Other Comprehensive Income (Loss):
Net change in unrealized gains (losses) on available-for-sale securities, net of reclassification and tax	793	10,372	(23,675)
Change in actuarial (loss) gain, for post-employment health care plan, net of amortization and tax	(90)	21	(103)
Change in fair value of interest rate swap agreements designated as a cash flow hedge, net of interest and tax	137	111	409
Other comprehensive income (loss)	840	10,504	(23,369)
Comprehensive Income (Loss)	$ 23,037	$ 33,578	$ (6,690)
Earnings Per Share:
Basic	$ 1.54	$ 1.60	$ 1.29
Diluted	$ 1.54	$ 1.60	$ 1.29