Consolidated Statements of Shareholders' Equity (Unaudited) - USD ($) shares in Thousands, $ in Thousands	Preferred Stock [Member]	Common Stock [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Total
Balance at Dec. 31, 2014	$ 19,931	$ 23,891	$ 59,867	$ (87)	$ 103,602
Balance (in shares) at Dec. 31, 2014		13,294
Net income			8,586		8,586
Other comprehensive income (loss), net of tax				(167)	(167)
Comprehensive income					8,419
Dividend on preferred stock			(189)		(189)
Dividend on common stock			(1,600)		(1,600)
Common stock issued under employee plans and related tax benefit		$ 36			36
Common stock issued under employee plans and related tax benefit (in shares)		9
Stock options exercised		$ 156			156
Stock options exercised (in shares)		39
Compensation expense associated with stock options		$ 42			42
Compensation expense associated with restricted stock		89			89
Preferred stock redemption	(20,000)		(33)		(20,033)
Preferred stock accretion	69		(69)
Balance at Dec. 31, 2015		$ 24,214	66,562	(254)	90,522
Balance (in shares) at Dec. 31, 2015		13,342
Net income			596		596
Other comprehensive income (loss), net of tax				1,965	1,965
Comprehensive income					2,561
Dividend on common stock			(802)		(802)
Common stock issued under employee plans and related tax benefit		$ 84			84
Common stock issued under employee plans and related tax benefit (in shares)		26
Stock options exercised		$ 4			4
Stock options exercised (in shares)		1
Compensation expense associated with stock options		$ 13			13
Compensation expense associated with restricted stock		106			106
Balance at Jun. 30, 2016		$ 24,421	$ 66,356	$ 1,711	$ 92,488
Balance (in shares) at Jun. 30, 2016		13,369