Accumulated Other Comprehensive Income/(Loss) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Activity in accumulated other comprehensive income (loss) [Roll Forward]
Balance	$ 112,461	$ 100,044	$ 92,298
Current period other comprehensive income (loss), net of tax	5,170	(639)	(1,448)
Tax rate change reclassification			(599)
Balance	132,915	112,461	100,044
Accumulated Other Comprehensive Income/(Loss) [Member]
Activity in accumulated other comprehensive income (loss) [Roll Forward]
Balance	(5,036)	(4,397)	(2,350)
Current period other comprehensive income (loss), net of tax	5,170	(639)	(1,448)
Balance	134	(5,036)	(4,397)
Unrealized Gains (Losses) on Securities [Member]
Activity in accumulated other comprehensive income (loss) [Roll Forward]
Balance	(3,867)	(2,997)	(1,678)
Current period other comprehensive income (loss), net of tax	5,428	(870)	(846)
Tax rate change reclassification			(473)
Balance	1,561	(3,867)	(2,997)
Officers' Retirement Plan [Member]
Activity in accumulated other comprehensive income (loss) [Roll Forward]
Balance	(1,198)	(1,403)	(686)
Current period other comprehensive income (loss), net of tax	(213)	205	(591)
Tax rate change reclassification			(126)
Balance	(1,411)	(1,198)	(1,403)
Directors' Retirement Plan [Member]
Activity in accumulated other comprehensive income (loss) [Roll Forward]
Balance	29	3	14
Current period other comprehensive income (loss), net of tax	(45)	26	(11)
Tax rate change reclassification			0
Balance	$ (16)	$ 29	$ 3