Investment Securities (Unrealized Gain (Loss) on Investments) (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Schedule of Investments [Line Items]
Available-for-sale debt securities, Amortized Cost	$ 52,558	$ 116,027
Available-for-sale debt securities, Unrealized Gains	111	21
Available-for-sale debt securities, Unrealized Losses	250	4,125
Available for sale debt securities, Fair Value	52,419	111,923
Held-to-maturity debt securities, Amortized Cost	170,472	168,370
Held-to-maturity debt securities, Unrealized Gains	3,389	517
Held-to-maturity debt securities, Unrealized Losses	139	2,305
Held-to-maturity debt securities, Fair Value	173,722	166,582
Available-for-sale securities and Held-to-maturity debt securities, Amortized Cost	223,030	284,397
Available-for-sale securities and Held-to-maturity debt securities, Unrealized Gains	3,500	538
Available-for-sale securities and Held-to-maturity debt securities, Unrealized Losses	389	6,430
Available-for-sale securities and Held-to-maturity debt securities, Fair Value	226,141	278,505
Available-for-sale securities and Held-to-maturity debt securities, Fair Value	226,141	278,505
U.S. Treasury and U.S. government agencies [Member]
Schedule of Investments [Line Items]
Available-for-sale debt securities, Amortized Cost	32,611	43,270
Available-for-sale debt securities, Unrealized Gains	33	10
Available-for-sale debt securities, Unrealized Losses	111	1,708
Available for sale debt securities, Fair Value	32,533	41,572
Held-to-maturity debt securities, Amortized Cost	19,421	16,985
Held-to-maturity debt securities, Unrealized Gains	39	14
Held-to-maturity debt securities, Unrealized Losses	20	143
Held-to-maturity debt securities, Fair Value	19,440	16,856
Mortgage-backed U.S. Government Agencies [Member]
Schedule of Investments [Line Items]
Available-for-sale debt securities, Amortized Cost	16,638	39,865
Available-for-sale debt securities, Unrealized Gains	8
Available-for-sale debt securities, Unrealized Losses	135	1,016
Available for sale debt securities, Fair Value	16,511	38,849
Held-to-maturity debt securities, Amortized Cost	67,472	65,812
Held-to-maturity debt securities, Unrealized Gains	521	46
Held-to-maturity debt securities, Unrealized Losses	119	1,310
Held-to-maturity debt securities, Fair Value	67,874	64,548
State and political subdivision obligations [Member]
Schedule of Investments [Line Items]
Available-for-sale debt securities, Amortized Cost	1,059	30,642
Available-for-sale debt securities, Unrealized Gains		11
Available-for-sale debt securities, Unrealized Losses	4	1,397
Available for sale debt securities, Fair Value	1,055	29,256
Held-to-maturity debt securities, Amortized Cost	82,051	84,034
Held-to-maturity debt securities, Unrealized Gains	2,820	457
Held-to-maturity debt securities, Unrealized Losses		842
Held-to-maturity debt securities, Fair Value	84,871	83,649
Corporate debt securities [Member]
Schedule of Investments [Line Items]
Available-for-sale debt securities, Amortized Cost	2,250	2,250
Available-for-sale debt securities, Unrealized Gains	70
Available-for-sale debt securities, Unrealized Losses		4
Available for sale debt securities, Fair Value	2,320	2,246
Held-to-maturity debt securities, Amortized Cost	1,528	1,539
Held-to-maturity debt securities, Unrealized Gains	9
Held-to-maturity debt securities, Unrealized Losses		10
Held-to-maturity debt securities, Fair Value	$ 1,537	$ 1,529

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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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