Investment Securities (Unrealized Gain (Loss) on Investments) (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Schedule of Investments [Line Items]
Available-for-sale debt securities, Amortized Cost	$ 83,738	$ 116,027
Available-for-sale debt securities, Unrealized Gains	122	21
Available-for-sale debt securities, Unrealized Losses	456	4,125
Available for sale debt securities, Fair Value	83,404	111,923
Held-to-maturity debt securities, Amortized Cost	160,182	168,370
Held-to-maturity debt securities, Unrealized Gains	2,913	517
Held-to-maturity debt securities, Unrealized Losses	232	2,305
Held-to-maturity debt securities, Fair Value	162,863	166,582
Available-for-sale securities and Held-to-maturity debt securities, Amortized Cost	243,920	284,397
Available-for-sale securities and Held-to-maturity debt securities, Unrealized Gains	3,035	538
Available-for-sale securities and Held-to-maturity debt securities, Unrealized Losses	688	6,430
Available-for-sale securities and Held-to-maturity debt securities, Fair Value	246,267	278,505
Available-for-sale securities and Held-to-maturity debt securities, Fair Value	246,267	278,505
U.S. Treasury and U.S. government agencies [Member]
Schedule of Investments [Line Items]
Available-for-sale debt securities, Amortized Cost	44,699	43,270
Available-for-sale debt securities, Unrealized Gains	23	10
Available-for-sale debt securities, Unrealized Losses	196	1,708
Available for sale debt securities, Fair Value	44,526	41,572
Held-to-maturity debt securities, Amortized Cost	15,505	16,985
Held-to-maturity debt securities, Unrealized Gains	38	14
Held-to-maturity debt securities, Unrealized Losses	16	143
Held-to-maturity debt securities, Fair Value	15,527	16,856
Mortgage-backed U.S. Government Agencies [Member]
Schedule of Investments [Line Items]
Available-for-sale debt securities, Amortized Cost	21,530	39,865
Available-for-sale debt securities, Unrealized Gains	15
Available-for-sale debt securities, Unrealized Losses	187	1,016
Available for sale debt securities, Fair Value	21,358	38,849
Held-to-maturity debt securities, Amortized Cost	59,377	65,812
Held-to-maturity debt securities, Unrealized Gains	441	46
Held-to-maturity debt securities, Unrealized Losses	206	1,310
Held-to-maturity debt securities, Fair Value	59,612	64,548
State and political subdivision obligations [Member]
Schedule of Investments [Line Items]
Available-for-sale debt securities, Amortized Cost	14,240	30,642
Available-for-sale debt securities, Unrealized Gains	19	11
Available-for-sale debt securities, Unrealized Losses	73	1,397
Available for sale debt securities, Fair Value	14,186	29,256
Held-to-maturity debt securities, Amortized Cost	83,769	84,034
Held-to-maturity debt securities, Unrealized Gains	2,433	457
Held-to-maturity debt securities, Unrealized Losses	1	842
Held-to-maturity debt securities, Fair Value	86,201	83,649
Corporate debt securities [Member]
Schedule of Investments [Line Items]
Available-for-sale debt securities, Amortized Cost	3,269	2,250
Available-for-sale debt securities, Unrealized Gains	65
Available-for-sale debt securities, Unrealized Losses		4
Available for sale debt securities, Fair Value	3,334	2,246
Held-to-maturity debt securities, Amortized Cost	1,531	1,539
Held-to-maturity debt securities, Unrealized Gains	1
Held-to-maturity debt securities, Unrealized Losses	9	10
Held-to-maturity debt securities, Fair Value	$ 1,523	$ 1,529

Available-for-sale securities and held-to-maturity amortized cost.

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Available-for-sale securities and held-to-maturity gross unrealized gain.

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Available-for-sale securities and held-to-maturity gross unrealized losses.

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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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Amount, before tax, of unrealized loss 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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Amortized cost of 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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Amount of debt and equity financial instruments classified as either held-to-maturity or available-for-sale.

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