Borrowed Funds (Details 1) (USD $) In Thousands, unless otherwise specified					12 Months Ended				6 Months Ended		6 Months Ended		6 Months Ended		6 Months Ended				6 Months Ended
	Jun. 30, 2013	Dec. 31, 2012	Jun. 30, 2013 Fixed interest rate note, originating April 1999, due April 2014	Dec. 31, 2012 Fixed interest rate note, originating April 1999, due April 2014	Dec. 31, 2012 Fixed interest rate note, originating January 2005, due January 2020	Jun. 30, 2013 Fixed interest rate note, originating January 2005, due January 2020	Jun. 30, 2013 Fixed interest rate note, originating April 2002, due May 2017	Dec. 31, 2012 Fixed interest rate note, originating April 2002, due May 2017	Jun. 30, 2013 Fixed interest rate note, originating July 2006, due July 2016	Dec. 31, 2012 Fixed interest rate note, originating July 2006, due July 2016	Jun. 30, 2013 Fixed interest rate note, originating October 2006, due October 2021	Dec. 31, 2012 Fixed interest rate note, originating October 2006, due October 2021	Jun. 30, 2013 Fixed interest rate note, originating February 2007, due February 2022	Dec. 31, 2012 Fixed interest rate note, originating February 2007, due February 2022	Jun. 30, 2013 Fixed interest rate note, originating April 2007, due April 2022	Dec. 31, 2012 Fixed interest rate note, originating April 2007, due April 2022	Jun. 30, 2013 Floating interest rate note, originating March 2003, due December 2013	Dec. 31, 2012 Floating interest rate note, originating March 2003, due December 2013	Jun. 30, 2013 Fixed interest rate note, originating December 2007, due December 2017	Dec. 31, 2012 Fixed interest rate note, originating December 2007, due December 2017	Jun. 30, 2013 Fixed interest rate note originating March 2008, due March 2013	Dec. 31, 2012 Fixed interest rate note originating March 2008, due March 2013
Borrowings from the FHLB were as follows:
Borrowings from the FHLB	$ 72,863	$ 32,600	$ 1,000	$ 1,000	$ 763		$ 606	$ 615	$ 1,237	$ 1,258	$ 1,035	$ 1,047	$ 870	$ 879	$ 984	$ 995	$ 66,167	$ 23,065	$ 964	$ 978		$ 2,000
Interest rate on debt security (as a percent)			5.41%	5.41%	5.14%		5.90%	5.90%	4.50%	4.50%	5.20%	5.20%	5.22%	5.22%	5.18%	5.18%	0.25%	0.25%	5.25%	5.25%		2.37%
Monthly installments					$ 11				$ 8		$ 6		$ 5		$ 6				$ 7