Fair Value Measurements (Details 1) (Fair Value measured on a Non-Recurring Basis, USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Fair value
Collateral-dependent impaired loans		$ 3,468
Foreclosed assets	21	1,283
Quoted Prices in Active Markets for Identical Assets (Level 1)
Collateral-dependent impaired loans
Foreclosed assets
Significant Other Observable Inputs (Level 2)
Collateral-dependent impaired loans
Foreclosed assets
Significant Unobservable Inputs (Level 3)
Collateral-dependent impaired loans		3,468
Foreclosed assets	$ 21	$ 1,283