CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (USD $) In Thousands, except Share data, unless otherwise specified	Common Stock	Additional Paid-in Capital	Accumulated Retained Earnings	Accumulated Other Comprehensive Income	Total
Balance at Dec. 31, 2013	$ 166	$ 143,322	$ 34,815	$ (3,077)	$ 175,226
Balance (in shares) at Dec. 31, 2013	16,656,279
Increase (Decrease) in Stockholders' Equity
Net income			2,632		2,632
Other comprehensive income				1,993	1,993
Share-based compensation expense		181			181
Common stock repurchased and retired		(284)			(284)
Common stock repurchased and retired (in shares)	(3,936)
Common stock issued	6	9,006			9,012
Common stock issued (in shares)	562,469
Exercise of stock options		100			100
Exercise of stock options (in shares)	10,165
Balance at Mar. 31, 2014	172	152,325	37,447	(1,084)	188,860
Balance (in shares) at Mar. 31, 2014	17,224,977				17,224,977
Balance at Dec. 31, 2014	169	147,474	51,431	518	199,592
Balance (in shares) at Dec. 31, 2014	16,903,884				16,903,884
Increase (Decrease) in Stockholders' Equity
Net income			1,789		1,789
Other comprehensive income				767	767
Share-based compensation expense		200			200
Common stock issued	45	70,884			70,929
Common stock issued (in shares)	4,480,645
Warrant exercise		15			15
Warrant exercise (in shares)	2,456
Repurchase of common stock		(93)			(93)
Repurchase of common stock (in shares)	(5,833)
Exercise of stock options		48			48
Exercise of stock options (in shares)	6,666
Balance at Mar. 31, 2015	$ 214	$ 218,528	$ 53,220	$ 1,285	$ 273,247
Balance (in shares) at Mar. 31, 2015	21,387,818				21,387,818