CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Shares	Retained Earnings	Treasury Shares	Accumulated Other Comprehensive Income (Loss)
Balance (in shares) at Dec. 31, 2013		9,287,536
Balance at beginning of year at Dec. 31, 2013	$ 118,873	$ 66,785	$ 65,475	$ (11,665)	$ (1,722)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	9,869		9,869
Other comprehensive income (loss), net of taxes	2,507				2,507
Dividend Reinvestment and Stock Purchase Plan (in shares)		23,782
Dividend Reinvestment and Stock Purchase Plan	372	$ 372
Compensation expense relating to stock options	24	$ 24
Common stock dividends, $0.64 per share	(5,950)		(5,950)
Balance (in shares) at Dec. 31, 2014		9,311,318
Balance at end of year at Dec. 31, 2014	125,695	$ 67,181	69,394	(11,665)	785
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	11,474		11,474
Other comprehensive income (loss), net of taxes	(549)				(549)
Dividend Reinvestment and Stock Purchase Plan (in shares)		24,610
Dividend Reinvestment and Stock Purchase Plan	390	$ 390
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) expense on exercise and forfeiture of stock options	13	13
Compensation expense relating to stock options	19	$ 19
Compensation expense relating to restricted stock (in shares)		16,038
Compensation expense relating to restricted stock	90	$ 90
Common stock dividends, $0.64 per share	(6,239)		(6,239)
Balance (in shares) at Dec. 31, 2015		9,925,547
Balance at end of year at Dec. 31, 2015	140,108	$ 76,908	74,629	(11,665)	236
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	12,482		12,482
Other comprehensive income (loss), net of taxes	(2,853)				(2,853)
Dividend Reinvestment and Stock Purchase Plan (in shares)		21,088
Dividend Reinvestment and Stock Purchase Plan	379	$ 379
Repurchase of stock warrants	(1,545)	$ (1,545)
Exercise of stock options (in shares)		51,390
Exercise of stock options	592	$ 592
Excess tax (benefit) expense on exercise and forfeiture of stock options	61	61
Compensation expense relating to stock options	5	5
Compensation expense relating to restricted stock	90	$ 90
Common stock dividends, $0.64 per share	(6,375)		(6,375)
Balance (in shares) at Dec. 31, 2016		9,998,025
Balance at end of year at Dec. 31, 2016	$ 142,944	$ 76,490	$ 80,736	$ (11,665)	$ (2,617)