Investment Securities (Amortized Cost and Estimated Fair Values of Investment Securities) (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale securities, Amortized Cost	$ 122,492	$ 158,447
Available-for-sale securities, Gross Unrealized Gains	577	117
Available-for-sale securities, Gross Unrealized Losses	278	4,132
Available-for-sale, at fair value	122,791	154,432
Held-to-maturity Securities, Amortized Cost	8,786	6,043
Held-to-maturity securities, Gross Unrealized Gains	1	14
Held-to-maturity securities, Gross Unrealized Losses	133	57
Held-to-maturity securities, Estimated Fair Value	8,654	6,000
Equity securities, at fair value	1,342	1,269
Accounting Standards Update 2016-01
Schedule of Available-for-sale Securities [Line Items]
Equity securities, at fair value	1,300	1,300
Fair value adjustment recorded through earnings	42	(5)
U.S. Government Agencies [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale securities, Amortized Cost	23,854	34,285
Available-for-sale securities, Gross Unrealized Gains	3	2
Available-for-sale securities, Gross Unrealized Losses	31	651
Available-for-sale, at fair value	23,826	33,636
Held-to-maturity Securities, Amortized Cost	1,386	1,642
Held-to-maturity securities, Gross Unrealized Losses	5	25
Held-to-maturity securities, Estimated Fair Value	1,381	1,617
States and Political Subdivisions [Member]
Schedule of Available-for-sale Securities [Line Items]
Held-to-maturity Securities, Amortized Cost	400	1,401
Held-to-maturity securities, Gross Unrealized Gains	1	14
Held-to-maturity securities, Estimated Fair Value	401	1,415
Mortgage-backed [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale securities, Amortized Cost	98,638	124,162
Available-for-sale securities, Gross Unrealized Gains	574	115
Available-for-sale securities, Gross Unrealized Losses	247	3,481
Available-for-sale, at fair value	98,965	120,796
Other Debt Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Held-to-maturity Securities, Amortized Cost	7,000	3,000
Held-to-maturity securities, Gross Unrealized Losses	128	32
Held-to-maturity securities, Estimated Fair Value	$ 6,872	$ 2,968

Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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