CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Common Stock	Surplus	Retained Earnings	Treasury Stock	Accumulated Other Comprehensive Income (Loss)	Total
Balance at Dec. 31, 2012	$ 89	$ 64,208	$ 55,102	$ (309)	$ (418)	$ 118,672
Increase (Decrease) in Stockholders' Equity
Net income			13,093			13,093
Shares issued under the dividend reinvestment plan ("DRP")	4	8,656				8,660
Shares issued in common stock offerings, net of offering costs (1,926,250 shares)	19	37,558				37,577
Stock awards granted and distributed	1	(435)		434
Stock awards forfeited		79		(79)
Vesting of stock awards				(291)		(291)
Exercise of stock options		(6)		10		4
Tax effect of stock plans		21				21
Shared based compensation expense		1,296				1,296
Cash dividend declared, $0.69 per share for December 31, 2013 and $0.92 per share for December 31, 2014 and December 31, 2015			(6,754)			(6,754)
Other comprehensive income (loss), net of deferred income taxes					(12,818)	(12,818)
Balance at Dec. 31, 2013	113	111,377	61,441	(235)	(13,236)	159,460
Increase (Decrease) in Stockholders' Equity
Net income			13,763			13,763
Shares issued under the dividend reinvestment plan ("DRP")	1	630				631
Shares issued in the acquisition of Community National Bank ("CNB") and FNBNY Bancorp, net of offering costs 5,647,268 and 240,598 shares, respectively.	2	5,946				5,948
Stock awards granted and distributed	1	(432)		431
Stock awards forfeited		58		(58)
Vesting of stock awards				(173)		(173)
Exercise of stock options		(3)		10		7
Tax effect of stock plans		36				36
Shared based compensation expense		1,234				1,234
Cash dividend declared, $0.69 per share for December 31, 2013 and $0.92 per share for December 31, 2014 and December 31, 2015			(10,657)			(10,657)
Other comprehensive income (loss), net of deferred income taxes					4,869	4,869
Balance at Dec. 31, 2014	117	118,846	64,547	(25)	(8,367)	175,118
Increase (Decrease) in Stockholders' Equity
Net income			21,111			21,111
Shares issued under the dividend reinvestment plan ("DRP")		779				779
Shares issued in the acquisition of Community National Bank ("CNB") and FNBNY Bancorp, net of offering costs 5,647,268 and 240,598 shares, respectively.	56	157,143				157,199
Stock awards granted and distributed	1	(263)		262
Stock awards forfeited		125		(125)
Vesting of stock awards				(228)		(228)
Exercise of stock options		(36)		$ 116		80
Tax effect of stock plans		50				50
Shared based compensation expense		1,689				1,689
Cash dividend declared, $0.69 per share for December 31, 2013 and $0.92 per share for December 31, 2014 and December 31, 2015			(13,415)			(13,415)
Other comprehensive income (loss), net of deferred income taxes					(1,255)	(1,255)
Balance at Dec. 31, 2015	$ 174	$ 278,333	$ 72,243		$ (9,622)	$ 341,128