Condensed Financial Statements of Parent Company, Statements of Income (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Income [Abstract]
Other income	$ 221	$ 253
Total interest and dividend income	40,241	38,219
Expenses [Abstract]
Salary and benefits	24,024	22,580
Legal expenses	2,311	2,296
Merger expenses	0	655
Other operating expenses	2,653	3,188
Total noninterest expense	38,638	38,500
Income before income taxes	8,940	5,198
Income tax benefit	1,080	279
Net income	7,860	4,919
Parent Company [Member]
Income [Abstract]
Dividends from subsidiary	3,500	2,500
Interest on investments	0	0
Other income	200	233
Total interest and dividend income	3,700	2,733
Expenses [Abstract]
Salary and benefits	477	453
Legal expenses	101	143
Service fees	200	166
Merger expenses	0	655
Other operating expenses	163	153
Total noninterest expense	941	1,570
Income before income taxes	2,759	1,163
Income tax benefit	(155)	(143)
Net income before equity in undistributed net income of subsidiaries	2,914	1,306
Equity in undistributed net income of subsidiaries	4,946	3,613
Net income	$ 7,860	$ 4,919