Securities (Details 1) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Unrecognized income from securities with unrealized losses
Continuous Unrealized Loss Position, Less than 12 Months, Fair Value	$ 3,492	$ 1,005
Continuous Unrealized Loss Position, Less than 12 Months, Unrealized Loss	(23)	(3)
Continuous Unrealized Loss Position, 12 Months or More, Fair Value		2,487
Continuous Unrealized Loss Position, 12 Months or Longer, Unrealized Loss		(11)
Total temporarily impaired , Fair value	3,492	3,492
Total temporarily impaired , Unrealized loss	(23)	(14)
States and political subdivisions [Member]
Unrecognized income from securities with unrealized losses
Continuous Unrealized Loss Position, Less than 12 Months, Fair Value	3,492	1,005
Continuous Unrealized Loss Position, Less than 12 Months, Unrealized Loss	(23)	(3)
Continuous Unrealized Loss Position, 12 Months or More, Fair Value
Continuous Unrealized Loss Position, 12 Months or Longer, Unrealized Loss
Total temporarily impaired , Fair value	3,492	1,005
Total temporarily impaired , Unrealized loss	(23)	(3)
Mortgage-backed securities [Member]
Unrecognized income from securities with unrealized losses
Continuous Unrealized Loss Position, Less than 12 Months, Fair Value
Continuous Unrealized Loss Position, Less than 12 Months, Unrealized Loss
Continuous Unrealized Loss Position, 12 Months or More, Fair Value		2,487
Continuous Unrealized Loss Position, 12 Months or Longer, Unrealized Loss		(11)
Total temporarily impaired , Fair value		2,487
Total temporarily impaired , Unrealized loss		$ (11)