Consolidated Statements of Income (unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Interest and Dividend Income:
Interest and fees on loans	$ 8,688	$ 7,110	$ 16,583	$ 13,890
Interest on due from banks	22	3	26	8
Interest on federal funds sold	8	2	10	5
Interest on securities:
Taxable	499	491	993	987
Tax-exempt	302	420	646	847
Dividends and interest on all other securities	75	35	135	49
Total interest and dividend income	9,594	8,061	18,393	15,786
Interest Expense:
Interest on savings deposits	141	73	245	137
Interest on time deposits	698	520	1,314	1,039
Interest on federal funds purchased, securities sold under agreements to repurchase and other borrowings	42	8	52	13
Interest on Federal Home Loan Bank advances	287	72	611	72
Total interest expense	1,168	673	2,222	1,261
Net interest income	8,426	7,388	16,171	14,525
Provision for loan losses	575	1,000	1,100	1,650
Net interest income, after provision for loan losses	7,851	6,388	15,071	12,875
Noninterest Income:
Bank-owned life insurance income	173	199	382	397
Mortgage banking income	236	284	377	290
Gain on sale of securities, net	40	87	120	87
Gain on acquisition of Old Point Mortgage	0	550	0	550
Total noninterest income	3,647	4,091	7,002	7,254
Noninterest Expense:
Salaries and employee benefits	5,935	5,449	11,412	10,546
Occupancy and equipment	1,487	1,454	2,964	2,903
Data processing	596	441	1,112	855
FDIC insurance	186	98	377	194
Customer development	135	154	317	298
Professional services	537	520	1,025	893
Employee professional development	208	219	400	455
Other taxes	142	138	312	281
ATM and other losses	157	155	254	332
Loss (gain) on other real estate owned	86	(18)	86	(18)
Merger expenses	391	0	596	0
Other operating expenses	581	660	1,215	1,237
Total noninterest expense	10,441	9,270	20,070	17,976
Income before income taxes	1,057	1,209	2,003	2,153
Income tax expense	65	48	69	50
Net income	$ 992	$ 1,161	$ 1,934	$ 2,103
Basic earnings per share:
Weighted average shares outstanding (in shares)	5,177,233	4,984,151	5,099,088	4,980,728
Net income per share of common stock (in dollars per share)	$ 0.19	$ 0.23	$ 0.38	$ 0.42
Diluted earnings per share:
Weighted average shares outstanding (in shares)	5,177,233	4,996,880	5,099,124	4,993,916
Net income per share of common stock (in dollars per share)	$ 0.19	$ 0.23	$ 0.38	$ 0.42
Fiduciary and Asset Management Fees [Member]
Noninterest Income:
Noninterest revenue	$ 916	$ 951	$ 1,899	$ 1,917
Service Charges on Deposit Accounts [Member]
Noninterest Income:
Noninterest revenue	1,078	916	1,948	1,843
Other Service Charges, Commissions and Fees [Member]
Noninterest Income:
Noninterest revenue	1,164	1,075	2,231	2,091
Other Operating Income [Member]
Noninterest Income:
Noninterest revenue	$ 40	$ 29	$ 45	$ 79