Fair Value of Assets and Liabilities (Details 1) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012	Mar. 31, 2012	Dec. 31, 2011
Assets
Other real estate owned	$ 1,480	$ 1,548	$ 1,181	$ 2,267
Fair Value, Measurements, Nonrecurring [Member]
Assets
Other real estate owned	1,480	1,544
Other assets owned		4
Impaired loans, net of reserve of $2,664 and $3,841 for March 31, 2013 and December 31, 2013 respectively	41,001	62,763
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Fair Value, Measurements, Nonrecurring [Member]
Assets
Other real estate owned
Other assets owned
Impaired loans, net of reserve of $2,664 and $3,841 for March 31, 2013 and December 31, 2013 respectively
Significant Other Observable Inputs (Level 2) [Member] | Fair Value, Measurements, Nonrecurring [Member]
Assets
Other real estate owned
Other assets owned
Impaired loans, net of reserve of $2,664 and $3,841 for March 31, 2013 and December 31, 2013 respectively
Significant Unobservable Inputs (Level 3) [Member] | Fair Value, Measurements, Nonrecurring [Member]
Assets
Other real estate owned	1,480	1,544
Other assets owned		4
Impaired loans, net of reserve of $2,664 and $3,841 for March 31, 2013 and December 31, 2013 respectively	$ 41,001	$ 62,763