Consolidated Statements of Shareholders' Equity (USD $) In Thousands, except Share data, unless otherwise specified	Total	Common stock	Preferred stock	Nonvested restricted stock	Additional paid-in capital	Accumulated other comprehensive income (loss)	Retained earnings
Beginning balance at Dec. 31, 2011	$ 62,539	$ 38	$ 16,596	$ (16)	$ 39,546	$ 1,041	$ 5,334
Beginning balance, shares at Dec. 31, 2011		3,820,830	17,299
Net income	3,862						3,862
Preferred stock transactions:
Redemption of preferred stock	(904)		(1,000)				96
Redemption of preferred stock, shares			(1,000)
Redemption of CPP Warrant	(1,100)				(1,100)
Cash dividends on Series T preferred stock	(845)						(845)
Discount accretion			703		(343)		(360)
Proceeds from exercise of stock options	96	1			95
Proceeds from exercise of stock options, shares		15,336
Stock dividend on common stock (10%)		4			3,712		(3,716)
Stock dividend on common stock (10%), shares		388,738
Cash in lieu of fractional shares	(2)						(2)
Issuance of restricted stock				(175)	175
Issuance of restricted stock, shares		22,500
Amortization of deferred compensation on restricted stock	31			31
Compensation expense related to stock options, net of tax	311				311
Other comprehensive income	137					137
Balance at Dec. 31, 2012	64,125	43	16,299	(160)	42,396	1,178	4,369
Balance, shares at Dec. 31, 2012		4,247,404	16,299
Net income	5,120						5,120
Preferred stock transactions:
Redemption of preferred stock	(980)		(1,000)				20
Redemption of preferred stock, shares			(1,000)
Cash dividends on Series T preferred stock	(778)						(778)
Proceeds from exercise of stock options	198				198
Proceeds from exercise of stock options, shares		28,596
Cash in lieu of fractional shares	(9)						(9)
Issuance of restricted stock				(564)	564
Issuance of restricted stock, shares		43,750
Amortization of deferred compensation on restricted stock	88			88
Compensation expense related to stock options, net of tax	427				427
Other comprehensive income	(2,526)					(2,526)
Balance at Dec. 31, 2013	65,665	43	15,299	(636)	43,585	(1,348)	8,722
Balance, shares at Dec. 31, 2013		4,319,750	15,299
Net income	6,625						6,625
Preferred stock transactions:
Redemption of preferred stock	(15,299)		(15,299)
Redemption of preferred stock, shares			(15,299)
Cash dividends on Series T preferred stock	(1,010)						(1,010)
Issuance of common stock	24,376	18			24,358
Issuance of common stock, Shares		1,855,000
Proceeds from exercise of stock options	356	1			355
Proceeds from exercise of stock options, shares		39,752
Issuance of restricted stock				(57)	57
Issuance of restricted stock, shares		4,500
Amortization of deferred compensation on restricted stock	199			199
Compensation expense related to stock options, net of tax	430				430
Other comprehensive income	1,650					1,650
Balance at Dec. 31, 2014	$ 82,992	$ 62		$ (494)	$ 68,785	$ 302	$ 14,337
Balance, shares at Dec. 31, 2014		6,219,002