Investment Securities (Amortized Cost and Estimated Fair Values of Investment Securities) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale securities, Amortized Cost	$ 137,465	$ 122,492
Available-for-sale, Pledged available-for-sale securities, Estimated Fair Value	3,626	4,190
Available-for-sale securities, Gross Unrealized Gains	2,254	577
Available-for-sale securities, Gross Unrealized Losses	151	278
Available-for-sale, at fair value	139,568	122,791
Held-to-maturity Securities, Amortized Cost	65,706	8,786
Held-to-maturity securities, Gross Unrealized Gains	185	1
Held-to-maturity securities, Gross Unrealized Losses	63	133
Held-to-maturity securities, Estimated Fair Value	65,828	8,654
Equity securities, at fair value	1,395	1,342
Accounting Standards Update 2016-01
Schedule of Available-for-sale Securities [Line Items]
Equity securities, at fair value	1,400	1,300
Accounting Standards Update 2016-01 | Revision of Prior Period, Change in Accounting Principle, Adjustment [Member]
Schedule of Available-for-sale Securities [Line Items]
Fair value adjustment recorded through earnings	28	42
Collateral Pledged [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale securities, Amortized Cost	60,600	66,904
Available-for-sale, Pledged available-for-sale securities, Estimated Fair Value	61,094	67,142
U.S. Government Agencies [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale securities, Amortized Cost	23,600	23,854
Available-for-sale securities, Gross Unrealized Gains	20	3
Available-for-sale securities, Gross Unrealized Losses	83	31
Available-for-sale, at fair value	23,537	23,826
Held-to-maturity Securities, Amortized Cost	18,893	1,386
Held-to-maturity securities, Gross Unrealized Gains	38
Held-to-maturity securities, Gross Unrealized Losses	43	5
Held-to-maturity securities, Estimated Fair Value	18,888	1,381
States and Political Subdivisions [Member]
Schedule of Available-for-sale Securities [Line Items]
Held-to-maturity Securities, Amortized Cost	400	400
Held-to-maturity securities, Gross Unrealized Gains	1	1
Held-to-maturity securities, Estimated Fair Value	401	401
Mortgage-backed [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale securities, Amortized Cost	113,865	98,638
Available-for-sale securities, Gross Unrealized Gains	2,234	574
Available-for-sale securities, Gross Unrealized Losses	68	247
Available-for-sale, at fair value	116,031	98,965
Held-to-maturity Securities, Amortized Cost	27,347
Held-to-maturity securities, Gross Unrealized Gains	7
Held-to-maturity securities, Gross Unrealized Losses	18
Held-to-maturity securities, Estimated Fair Value	27,336
Other debt securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Held-to-maturity Securities, Amortized Cost	19,066	7,000
Held-to-maturity securities, Gross Unrealized Gains	139
Held-to-maturity securities, Gross Unrealized Losses	2	128
Held-to-maturity securities, Estimated Fair Value	$ 19,203	$ 6,872