Supplemental Consolidated Statements of Cash Flows Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Cash paid during the year for [Abstract]
Interest	$ 1,151	$ 1,292	$ 1,288
Income taxes	3,745	2,137	1,816
Supplemental disclosures of non-cash investing and financing activities [Abstract]
Stock dividend distributed	3,103	2,065	1,047
Fair value adjustment of securities available for sale, net of tax of ($368), $893, and ($1,648) for the years ended December 31, 2015, 2014, and 2013, respectively	(553)	1,342	(2,473)
Loans held-for-investment transferred to other real estate owned	407	1,198	0
Loans held-for-sale transferred to loans held-for investment	0	166	0
Financed sale of other real estate owned	0	0	(540)
Tax deficiency related to expired, vested non-qualified stock options	0	0	(106)
Fair value adjustment of securities available for sale, tax	$ (368)	$ 893	$ (1,648)