Consolidated Balance Sheets (Parentheticals) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Consolidated Balance Sheets
Available-for-sale securities, amortized cost	$ 208,925	$ 216,650
Loans, allowance for loan losses	33,589	34,023
Other real estate owned, valuation allowance	$ 57	$ 57
Common stock par value (in dollars per share)	$ 1.00	$ 1.00
Common stock, shares authorized	8,000,000	8,000,000
Common stock, shares issued	3,476,799	3,497,122
Common stock, shares outstanding	3,476,799	3,497,122
Common stock, unvested shares	139,995	139,455