Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Consolidated Statements of Comprehensive Income [Abstract]
Net income	$ 12,161	$ 14,721	$ 12,551
Other comprehensive (loss) income, net of tax:
Unrealized holding gains (losses) on securities arising during the current period, net of tax effect of $2,358, $2,187, and ($355) for the years ended December 31, 2020, 2019, and 2018, respectively	5,846	5,426	(884)
Reclassification adjustment due to (gains) losses realized on sales of securities, net of tax effect of ($85), $1, and $6 for the years ended December 31, 2020, 2019, and 2018, respectively	(211)	2	14
Officers' retirement plan equity adjustments, net of tax effect of ($280), ($85), and $82 for the years ended December 31, 2020, 2019, and 2018, respectively	(694)	(213)	205
Directors' retirement plan equity adjustments, net of tax effect of ($15), ($17), and 10 for the years ended December 31, 2020, 2019, and 2018, respectively	(37)	(45)	26
Total other comprehensive income (loss), net of tax effect of $1,978, $2,086, and ($257) for the years ended December 31, 2020, 2019, and 2018, respectively	4,904	5,170	(639)
Comprehensive income	$ 17,065	$ 19,891	$ 11,912