CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS' EQUITY (Unaudited) (Parentheticals) $ in Thousands	9 Months Ended
	Sep. 30, 2016 USD ($) $ / shares shares
Statement Of Stockholders Equity [Abstract]
Tax on change in unrealized loss on securities available for sale	$ 101
Tax on change in unrecognized loss on securities held to maturity, portion of OTTI	3
Accretion on change in unrecognized loss on securities held to maturity, portion of OTTI	$ 7
Common stock dividends per share (in dollars per share) | $ / shares	$ 0.24
Issuance of common stock for warrants exercised (in shares) | shares	11,000
Issuance of common shares under Stock Incentive Plan (in shares) | shares	16,200