Investment Securities (Amortized Cost and Estimated Fair Values of Investment Securities) (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale securities, Amortized Cost	$ 102,362		$ 122,492
Available-for-sale securities, Gross Unrealized Gains	2,038		577
Available-for-sale securities, Gross Unrealized Losses	25		278
Available-for-sale, at fair value	104,375		122,791
Held-to-maturity Securities, Amortized Cost	8,687		8,786
Held-to-maturity securities, Gross Unrealized Gains	64		1
Held-to-maturity securities, Gross Unrealized Losses	33		133
Held-to-maturity securities, Estimated Fair Value	8,718		8,654
Equity securities, at fair value	1,350		1,342
Accounting Standards Update 2016-01
Schedule of Available-for-sale Securities [Line Items]
Equity securities, at fair value	1,400		1,300
Fair value adjustment recorded through earnings	1	$ 22
U.S. Government Agencies [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale securities, Amortized Cost	9,721		23,854
Available-for-sale securities, Gross Unrealized Gains	37		3
Available-for-sale securities, Gross Unrealized Losses	3		31
Available-for-sale, at fair value	9,755		23,826
Held-to-maturity Securities, Amortized Cost	1,287		1,386
Held-to-maturity securities, Gross Unrealized Gains	43
Held-to-maturity securities, Gross Unrealized Losses			5
Held-to-maturity securities, Estimated Fair Value	1,330		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
Collateralized Mortgage Backed Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale securities, Amortized Cost	92,641		98,638
Available-for-sale securities, Gross Unrealized Gains	2,001		574
Available-for-sale securities, Gross Unrealized Losses	22		247
Available-for-sale, at fair value	94,620		98,965
Other Debt Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Held-to-maturity Securities, Amortized Cost	7,000		7,000
Held-to-maturity securities, Gross Unrealized Gains	20
Held-to-maturity securities, Gross Unrealized Losses	33		128
Held-to-maturity securities, Estimated Fair Value	$ 6,987		$ 6,872

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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