Consolidated Statements of Changes In Shareholders' Equity - USD ($) $ in Thousands	Total	Series B Preferred Stock [Member]	Series C Preferred Stock [Member]	Preferred Stock [Member]	Preferred Stock [Member] Series B Preferred Stock [Member]	Preferred Stock [Member] Series C Preferred Stock [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Retained Earnings [Member] Series B Preferred Stock [Member]	Retained Earnings [Member] Series C Preferred Stock [Member]	Accumulated Other Comprehensive Income (Loss) [Member]
Balance at Dec. 31, 2014	$ 59,130			$ 5,000			$ 3,498	$ 29,902	$ 19,217			$ 1,513
Net income	6,528								6,528
Total other comprehensive (loss) income, net of taxes	299											299
Common stock dividends	(1,785)								(1,785)
Employee Stock Purchase Plan	66						4	62
Preferred stock dividends		$ (373)	$ (17)							$ (373)	$ (17)
Preferred stock redemption		(5,000)	(1,750)		$ (5,000)	$ (1,750)
Preferred stock redemption premium		$ (100)								$ (100)
Preferred stock issuance			$ 1,750			$ 1,750
Common stock issued to Phoenix shareholders	11,292						724	10,568
Restricted stock activity	28						1	27
Balance at Dec. 31, 2015	70,068						4,227	40,559	23,470			1,812
Net income	7,804								7,804
Total other comprehensive (loss) income, net of taxes	(4,665)											(4,665)
Common stock dividends	(2,875)								(2,875)
Employee Stock Purchase Plan	82						4	78
Restricted stock activity	53						2	51
Balance at Dec. 31, 2016	70,467						4,233	40,688	28,399			(2,853)
Net income	7,089								7,089
Total other comprehensive (loss) income, net of taxes	1,120											1,120
Common stock dividends	(3,264)								(3,264)
Employee Stock Purchase Plan	104						4	100
Director Stock Purchase Plan	42						1	41
Restricted stock activity	145						4	141
Tax rate adjustment impact									341			(341)
Balance at Dec. 31, 2017	$ 75,703			$ 0			$ 4,242	$ 40,970	$ 32,565			$ (2,074)