Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Consolidated Statements of Comprehensive Income [Abstract]
Net income	$ 14,721	$ 12,551	$ 8,748
Other comprehensive income (loss), net of tax:
Unrealized holding gains (losses) on securities arising during the current period, net of tax effect of $2,187, ($355), and ($570) for the years ended December 31, 2019, 2018, and 2017, respectively	5,426	(884)	(854)
Reclassification adjustment due to losses realized on sales of securities, net of tax effect of $1, $6, and $6 for the years ended December 31, 2019, 2018, and 2017, respectively	2	14	8
Officers' retirement plan equity adjustments, net of tax effect of ($85), $82, and ($236) for the years ended December 31, 2019, 2018, and 2017, respectively	(213)	205	(591)
Directors' retirement plan equity adjustments, net of tax effect of ($17), $10, and (7) for the years ended December 31, 2019, 2018, and 2017, respectively	(45)	26	(11)
Total other comprehensive income (loss), net of tax effect of $2,086, ($257), and ($807) for the years ended December 31, 2019, 2018, and 2017, respectively	5,170	(639)	(1,448)
Comprehensive income	$ 19,891	$ 11,912	$ 7,300