Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Assets [Abstract]
Cash and due from banks	$ 8,747	$ 12,358
Interest-bearing deposits with other institutions	3,468	5,995
Total cash and cash equivalents	12,215	18,353
Securities available for sale, at fair value	143,975	144,298
Restricted investments	1,170	1,170
Loans	619,208	606,827
Allowance for loan losses	(5,685)	(5,456)
Net Loans	613,523	601,371
Bank premises and equipment, net	19,208	19,083
Other real estate owned, net of allowance	106	106
Other assets	18,520	15,236
Total assets	808,717	799,617
Liabilities and Equity [Abstract]
Noninterest bearing demand deposits	255,567	251,184
Savings and interest bearing demand deposits	336,109	336,778
Time deposits	115,763	115,142
Total deposits	707,439	703,104
Federal funds purchased	355	1,871
Other liabilities	9,738	7,043
Total liabilities	717,532	712,018
Shareholders' Equity
Preferred stock, $10 par value; 500,000 shares authorized and unissued	0	0
Common stock, $2.50 par value; authorized 10,000,000 shares; issued and outstanding 2019, 3,459,549 including 18,151 shares of unvested restricted stock; issued and outstanding 2018, 3,445,914 including 16,701 shares of unvested restricted stock	8,604	8,573
Surplus	12,116	11,992
Retained earnings	70,328	68,587
Accumulated other comprehensive income (loss)	137	(1,553)
Total shareholders' equity	91,185	87,599
Total liabilities and shareholders' equity	$ 808,717	$ 799,617