Accumulated Other Comprehensive Income/(Loss) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Activity in accumulated other comprehensive income (loss) [Roll Forward]
Balance	$ 132,915	$ 112,461	$ 100,044
Current period other comprehensive income (loss), net of tax	4,904	5,170	(639)
Balance	150,657	132,915	112,461
Accumulated Other Comprehensive Income (Loss) [Member]
Activity in accumulated other comprehensive income (loss) [Roll Forward]
Balance	134	(5,036)	(4,397)
Current period other comprehensive income (loss), net of tax	4,904	5,170	(639)
Balance	5,038	134	(5,036)
Unrealized Gains (Losses) on Securities [Member]
Activity in accumulated other comprehensive income (loss) [Roll Forward]
Balance	1,561	(3,867)	(2,997)
Current period other comprehensive income (loss), net of tax	5,635	5,428	(870)
Balance	7,196	1,561	(3,867)
Officers' Retirement Plan [Member]
Activity in accumulated other comprehensive income (loss) [Roll Forward]
Balance	(1,411)	(1,198)	(1,403)
Current period other comprehensive income (loss), net of tax	(694)	(213)	205
Balance	(2,105)	(1,411)	(1,198)
Directors' Retirement Plan [Member]
Activity in accumulated other comprehensive income (loss) [Roll Forward]
Balance	(16)	29	3
Current period other comprehensive income (loss), net of tax	(37)	(45)	26
Balance	$ (53)	$ (16)	$ 29