Securities (Investments' Gross Unrealized Losses and Fair Value) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2015 security	Dec. 31, 2014
Schedule of Investments [Line Items]
Less than 12 Months, Fair Value	$ 28,191	$ 30,250
Less than 12 Months, Unrealized Losses	(368)	(226)
12 Months or More, Fair Value	31,617	46,878
12 Months or More, Unrealized Losses	(524)	(1,181)
Total, Fair Value	59,808	77,128
Total, Unrealized Losses	(892)	(1,407)
Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions, Less than One Year	33
Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions, Greater than or Equal to One Year	33
Impairment of Investments	0us-gaap_ImpairmentOfInvestments
U.S. Government Agencies [Member]
Schedule of Investments [Line Items]
Less than 12 Months, Fair Value	3,010	4,965
Less than 12 Months, Unrealized Losses	(12)	(17)
12 Months or More, Fair Value	9,111	15,051
12 Months or More, Unrealized Losses	(85)	(339)
Total, Fair Value	12,121	20,016
Total, Unrealized Losses	(97)	(356)
States and political subdivisions [Member]
Schedule of Investments [Line Items]
Less than 12 Months, Fair Value	12,141	3,195
Less than 12 Months, Unrealized Losses	(238)	(20)
12 Months or More, Fair Value	2,477	4,633
12 Months or More, Unrealized Losses	(57)	(83)
Total, Fair Value	14,618	7,828
Total, Unrealized Losses	(295)	(103)
Corporate obligations [Member]
Schedule of Investments [Line Items]
Less than 12 Months, Fair Value		0
Less than 12 Months, Unrealized Losses		0
12 Months or More, Fair Value		1,144
12 Months or More, Unrealized Losses		(11)
Total, Fair Value		1,144
Total, Unrealized Losses		(11)
Mortgage-backed securities-government sponsored entities [Member]
Schedule of Investments [Line Items]
Less than 12 Months, Fair Value	13,040	22,090
Less than 12 Months, Unrealized Losses	(118)	(189)
12 Months or More, Fair Value	20,029	26,050
12 Months or More, Unrealized Losses	(382)	(748)
Total, Fair Value	33,069	48,140
Total, Unrealized Losses	$ (500)	$ (937)

Amount of accumulated unrealized loss on investments in debt and equity securities classified as available-for-sale that have been in a continuous loss position for twelve months or longer.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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This item represents the aggregate fair value of investments in debt and equity securities in an unrealized loss position which are categorized neither as held-to-maturity nor trading securities.

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Number of investment positions in available-for-sale investments that have been in a continuous unrealized loss position for greater than or equal to a year for which an other-than-temporary impairment (OTTI) has not been recognized in the income statement.

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