Securities Available for Sale (Schedule of Amortized Cost and Fair Value of Securities) (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Securities Available For Sale
Amortized Cost	$ 315,833	$ 324,503
Gross Unrealized Gains	129	357
Gross Unrealized Losses	(8,709)	(5,199)
Fair Value	307,253	319,661
U.S. Government Agencies [Member]
Securities Available For Sale
Amortized Cost	35,089	35,101
Gross Unrealized Gains
Gross Unrealized Losses	(1,390)	(749)
Fair Value	33,699	34,352
U.S. Agency Mortgage-Backed Securities [Member]
Securities Available For Sale
Amortized Cost	48,039	52,981
Gross Unrealized Gains		8
Gross Unrealized Losses	(1,936)	(916)
Fair Value	46,103	52,073
U.S. Agency Collateralized Mortgage Obligations [Member]
Securities Available For Sale
Amortized Cost	58,120	55,493
Gross Unrealized Gains	19	46
Gross Unrealized Losses	(1,868)	(898)
Fair Value	56,271	54,641
Asset-backed Securities [Member]
Securities Available For Sale
Amortized Cost	7,768
Gross Unrealized Gains
Gross Unrealized Losses	(32)
Fair Value	7,736
Corporate Bonds [Member]
Securities Available For Sale
Amortized Cost	62,929	61,334
Gross Unrealized Gains	5	24
Gross Unrealized Losses	(1,582)	(589)
Fair Value	61,352	60,769
Obligations of States and Political Subdivisions [Member]
Securities Available For Sale
Amortized Cost	103,888	114,047
Gross Unrealized Gains	105	243
Gross Unrealized Losses	(1,901)	(2,047)
Fair Value	$ 102,092	112,243
Total Debt Securities [Member]
Securities Available For Sale
Amortized Cost		318,956
Gross Unrealized Gains		321
Gross Unrealized Losses		(5,199)
Fair Value		314,078
Equity Securities [Member]
Securities Available For Sale
Amortized Cost		5,547
Gross Unrealized Gains		36
Gross Unrealized Losses
Fair Value		$ 5,583

Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

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- References

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- Definition

Amount before tax of unrealized gain in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27161-111563

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Amount before tax of unrealized loss in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale.

+ References

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This item represents the cost of debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any.

+ References

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