Investment Securities (Amortized Cost and Estimated Fair Values of Investment Securities) (Details) - USD ($) $ in Thousands	6 Months Ended
Jun. 30, 2019	Jun. 30, 2018	Dec. 31, 2018
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale securities, Amortized Cost	$ 145,645		$ 158,447
Available-for-sale securities, Gross Unrealized Gains	365		117
Available-for-sale securities, Gross Unrealized Losses	600		4,132
Available-for-sale, at fair value	145,410		154,432
Held-to-maturity Securities, Amortized Cost	5,905		6,043
Held-to-maturity securities, Gross Unrealized Gains	15		14
Held-to-maturity securities, Gross Unrealized Losses	33		57
Held-to-maturity securities, Estimated Fair Value	5,887		6,000
Equity securities, at fair value	1,325		1,269
Accounting Standards Update 2016-01
Schedule of Available-for-sale Securities [Line Items]
Cumulative effect adjustment (ASU 2016-01)	1,300		1,300
Fair value adjustment recorded through earnings	41	$ (13)
U.S. Government Agencies [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale securities, Amortized Cost	34,125		34,285
Available-for-sale securities, Gross Unrealized Gains	4		2
Available-for-sale securities, Gross Unrealized Losses	110		651
Available-for-sale, at fair value	34,019		33,636
Held-to-maturity Securities, Amortized Cost	1,504		1,642
Held-to-maturity securities, Gross Unrealized Gains	10
Held-to-maturity securities, Gross Unrealized Losses			25
Held-to-maturity securities, Estimated Fair Value	1,514		1,617
States and Political Subdivisions [Member]
Schedule of Available-for-sale Securities [Line Items]
Held-to-maturity Securities, Amortized Cost	1,401		1,401
Held-to-maturity securities, Gross Unrealized Gains	5		14
Held-to-maturity securities, Estimated Fair Value	1,406		1,415
Mortgage Backed [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale securities, Amortized Cost	111,520		124,162
Available-for-sale securities, Gross Unrealized Gains	361		115
Available-for-sale securities, Gross Unrealized Losses	490		3,481
Available-for-sale, at fair value	111,391		120,796
Other Debt Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Held-to-maturity Securities, Amortized Cost	3,000		3,000
Held-to-maturity securities, Gross Unrealized Losses	33		32
Held-to-maturity securities, Estimated Fair Value	$ 2,967		$ 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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