Fair Value of Assets and Liabilities (Details 1) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Assets
Other real estate owned	$ 1,348	$ 2,267
Fair Value, Measurements, Nonrecurring [Member]
Assets
Other real estate owned	1,348	2,258
Other assets owned		9
Impaired loans, net of reserve	86,637	45,180
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
Using 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
Significant Unobservable Inputs (Level 3) [Member] | Fair Value, Measurements, Nonrecurring [Member]
Assets
Other real estate owned	1,348	2,258
Other assets owned		9
Impaired loans, net of reserve	$ 86,637	$ 45,180