CONSOLIDATED BALANCE SHEETS (unaudited) (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Assets:
Investment securities available-for-sale, amortized cost	$ 22,003	$ 23,558
Investment securities held-to-maturity, fair value	9,610	7,399
Loans:
Held for investment, allowance for loan losses	$ 7,190	$ 6,916
Stockholders' equity:
Common stock, par value (in dollars per share)	$ 0	$ 0
Common stock, shares authorized (in shares)	20,000,000	20,000,000
Common stock, shares issued (in shares)	8,094,489	8,205,858
Common stock, shares outstanding (in shares)	8,094,489	8,205,858