Securities (Details 2) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Fair Value, Less than 12 Months	$ 22,271	$ 12,212
Unrealized Loss, Less than 12 Months	(130)	(90)
Fair Value, 12 Months or More	0	0
Unrealized Loss, 12 Months or More	0	0
Fair Value, Total	22,271	12,212
Unrealized Loss, Total	(130)	(90)
U.S. Treasury and federal agency [Member]
Fair Value, Less than 12 Months	483
Unrealized Loss, Less than 12 Months	(19)
Fair Value, 12 Months or More	0
Unrealized Loss, 12 Months or More	0
Fair Value, Total	483
Unrealized Loss, Total	(19)
U.S. government sponsored entities and agencies [Member]
Fair Value, Less than 12 Months	3,205
Unrealized Loss, Less than 12 Months	(2)
Fair Value, 12 Months or More	0
Unrealized Loss, 12 Months or More	0
Fair Value, Total	3,205
Unrealized Loss, Total	(2)
Collateralized mortgage obligations: residential [Member]
Fair Value, Less than 12 Months	17,383	10,698
Unrealized Loss, Less than 12 Months	(97)	(80)
Fair Value, 12 Months or More	0	0
Unrealized Loss, 12 Months or More	0	0
Fair Value, Total	17,383	10,698
Unrealized Loss, Total	(97)	(80)
Equity Securities [Member]
Fair Value, Less than 12 Months	1,200	493
Unrealized Loss, Less than 12 Months	(12)	(8)
Fair Value, 12 Months or More	0	0
Unrealized Loss, 12 Months or More	0	0
Fair Value, Total	1,200	493
Unrealized Loss, Total	(12)	(8)
State and political subdivisions [Member]
Fair Value, Less than 12 Months		521
Unrealized Loss, Less than 12 Months		(1)
Fair Value, 12 Months or More		0
Unrealized Loss, 12 Months or More		0
Fair Value, Total		521
Unrealized Loss, Total		(1)
Corporate debt securities [Member]
Fair Value, Less than 12 Months		500
Unrealized Loss, Less than 12 Months		(1)
Fair Value, 12 Months or More		0
Unrealized Loss, 12 Months or More		0
Fair Value, Total		500
Unrealized Loss, Total		$ (1)