Consolidated Statements of Changes in Stockholders' Equity (unaudited) - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Total
Beginning Balance at Dec. 31, 2018	$ 25,853	$ 20,698	$ 57,611	$ (2,156)	$ 102,006
Beginning Balance (in shares) at Dec. 31, 2018	5,170,600
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	$ 0	0	2,027	0	2,027
Other comprehensive income (loss), net of tax	0	0	0	1,540	1,540
Employee Stock Purchase Plan share issuance	$ 4	15	0	0	19
Employee Stock Purchase Plan share issuance (in shares)	862
Stock-based compensation expense	$ 0	50	0	0	50
Cash dividends	0	0	(623)	0	(623)
Ending Balance at Mar. 31, 2019	$ 25,857	20,763	59,015	(616)	105,019
Ending Balance (in shares) at Mar. 31, 2019	5,171,462
Beginning Balance at Dec. 31, 2019	$ 25,901	20,959	62,975	(79)	$ 109,756
Beginning Balance (in shares) at Dec. 31, 2019	5,180,105				5,200,038
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	$ 0	0	1,250	0	$ 1,250
Other comprehensive income (loss), net of tax	0	0	0	(445)	(445)
Employee Stock Purchase Plan share issuance	$ 4	17	0	0	21
Employee Stock Purchase Plan share issuance (in shares)	858
Restricted stock vested	$ 36	(36)	0	0	0
Restricted stock vested (in shares)	7,258
Stock-based compensation expense	$ 0	86	0	0	86
Cash dividends	0	0	(624)	0	(624)
Ending Balance at Mar. 31, 2020	$ 25,941	$ 21,026	$ 63,601	$ (524)	$ 110,044
Ending Balance (in shares) at Mar. 31, 2020	5,188,221				5,200,606