CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (Unaudited) - USD ($) $ in Thousands	Total	Common Stock [Member]	Retained Earnings [Member]	Treasury Shares [Member]	Accumulated Other Comprehensive Income (Loss) [Member]
Balance Beginning (in shares) at Dec. 31, 2013		9,287,536
Balance Beginning at Dec. 31, 2013	$ 118,873	$ 66,785	$ 65,475	$ (11,665)	$ (1,722)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	6,652		6,652
Other comprehensive income, net of taxes	1,813				1,813
Dividend Reinvestment and Stock Purchase Plan (in shares)		17,672
Dividend Reinvestment and Stock Purchase Plan	283	$ 283
Compensation expense relating to stock options	18	$ 18
Common stock dividends, $0.48 per share	(4,460)		(4,460)
Balance Ending (in shares) at Sep. 30, 2014		9,305,208
Balance Ending at Sep. 30, 2014	123,179	$ 67,086	67,667	(11,665)	91
Balance Beginning (in shares) at Dec. 31, 2014		9,311,318
Balance Beginning at Dec. 31, 2014	125,695	$ 67,181	69,394	(11,665)	785
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	8,590		8,590
Other comprehensive income, net of taxes	1,690				1,690
Dividend Reinvestment and Stock Purchase Plan (in shares)		18,395
Dividend Reinvestment and Stock Purchase Plan	289	$ 289
Acquisition of BNB Bancorp, Inc. (in shares)		560,132
Acquisition of BNB Bancorp, Inc.	9,063	$ 9,063
Exercise of stock options (in shares)		13,449
Exercise of stock options	152	$ 152
Excess tax benefit on exercise of stock options	13	13
Compensation expense relating to stock options	13	$ 13
Common stock dividends, $0.48 per share	(4,654)		(4,654)
Balance Ending (in shares) at Sep. 30, 2015		9,903,294
Balance Ending at Sep. 30, 2015	$ 140,851	$ 76,711	$ 73,330	$ (11,665)	$ 2,475