Other Comprehensive Income (Reclassification Out of Accumulated Other Comprehensive Income) (Details) - USD ($)	3 Months Ended						9 Months Ended
	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Sep. 30, 2020	Sep. 30, 2019
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Recovery on previously impaired investment securities	$ 20,000			$ 13,000			$ 48,000	$ 39,000
Income tax expense	(226,000)			(191,000)			(581,000)	(469,000)
Net income	1,231,000	$ 1,353,000	$ 731,000	1,212,000	$ 805,000	$ 898,000	3,315,000	2,915,000
Unrealized Gains and Losses on Securities Available for Sale [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Recovery on previously impaired investment securities	(20,000)			(13,000)			(48,000)	(39,000)
Income tax expense	4,000			3,000			10,000	8,000
Net income	$ (16,000)			$ (10,000)			$ (38,000)	$ (31,000)