Securities (Schedule of Unrealized Losses) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Schedule of Available-for-sale Securities [Line Items]
Fair Value, Less Than 12 Months	$ 79,252	$ 24,760
Gross unrealized Losses, Less Than 12 Months	(1,835)	(88)
Fair Value, 12 Months or More	312	251
Gross Unrealized Losses, 12 Months or More	(78)	(98)
Fair Value, Total	79,564	25,011
Unrealized Losses, Total	(1,913)	(186)
Obligations of U.S. Government agencies and corporations [Member]
Schedule of Available-for-sale Securities [Line Items]
Fair Value, Less Than 12 Months	55,093	11,471
Gross unrealized Losses, Less Than 12 Months	(1,549)	(32)
Fair Value, Total	55,093	11,471
Unrealized Losses, Total	(1,549)	(32)
Obligations of State and Political Subdivisions [Member]
Schedule of Available-for-sale Securities [Line Items]
Fair Value, Less Than 12 Months	23,848	13,040
Gross unrealized Losses, Less Than 12 Months	(283)	(43)
Fair Value, 12 Months or More	41
Gross Unrealized Losses, 12 Months or More	(1)
Fair Value, Total	23,889	13,040
Unrealized Losses, Total	(284)	(43)
Mortgage Backed Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Fair Value, Less Than 12 Months	311
Gross unrealized Losses, Less Than 12 Months	(3)
Fair Value, Total	311
Unrealized Losses, Total	(3)
Debt securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Fair Value, Less Than 12 Months	79,252	24,511
Gross unrealized Losses, Less Than 12 Months	(1,835)	(75)
Fair Value, 12 Months or More	41
Gross Unrealized Losses, 12 Months or More	(1)
Fair Value, Total	79,293	24,511
Unrealized Losses, Total	(1,836)	(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	271	251
Gross Unrealized Losses, 12 Months or More	(77)	(98)
Fair Value, Total	271	500
Unrealized Losses, Total	$ (77)	$ (111)