Securities (Schedule of Unrealized Losses) (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended	12 Months Ended
	Sep. 30, 2013	Dec. 31, 2012
Schedule of Available-for-sale Securities [Line Items]
Fair Value, Less Than 12 Months	$ 68,518	$ 24,760
Gross unrealized Losses, Less Than 12 Months	(1,555)	(88)
Fair Value, 12 Months or More	1,854	251
Gross Unrealized Losses, 12 Months or More	(79)	(98)
Fair Value, Total	70,372	25,011
Unrealized Losses, Total	(1,634)	(186)
Obligations of U.S. Government agencies and corporations [Member]
Schedule of Available-for-sale Securities [Line Items]
Fair Value, Less Than 12 Months	49,793	11,471
Gross unrealized Losses, Less Than 12 Months	(1,351)	(32)
Fair Value, Total	49,793	11,471
Unrealized Losses, Total	(1,351)	(32)
Obligations of State and Political Subdivisions [Member]
Schedule of Available-for-sale Securities [Line Items]
Fair Value, Less Than 12 Months	17,658	13,040
Gross unrealized Losses, Less Than 12 Months	(196)	(43)
Fair Value, 12 Months or More	1,632
Gross Unrealized Losses, 12 Months or More	(13)
Fair Value, Total	19,290	13,040
Unrealized Losses, Total	(209)	(43)
Mortgage Backed Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Fair Value, Less Than 12 Months	1,067
Gross unrealized Losses, Less Than 12 Months	(8)
Fair Value, Total	1,067
Unrealized Losses, Total	(8)
Debt securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Fair Value, Less Than 12 Months	68,518	24,511
Gross unrealized Losses, Less Than 12 Months	(1,555)	(75)
Fair Value, 12 Months or More	1,632
Gross Unrealized Losses, 12 Months or More	(13)
Fair Value, Total	70,150	24,511
Unrealized Losses, Total	(1,568)	(75)
Equity securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Fair Value, Less Than 12 Months		249
Gross unrealized Losses, Less Than 12 Months		(13)
Fair Value, 12 Months or More	222	251
Gross Unrealized Losses, 12 Months or More	(66)	(98)
Fair Value, Total	222	500
Unrealized Losses, Total	$ (66)	$ (111)