Fair Value Measurements (Details 1) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Collateral-dependent impaired loans		$ 2,437
Foreclosed assets		16
Fair Value measured on a Non-Recurring Basis \| Fair value
Collateral-dependent impaired loans	344	2,437
Foreclosed assets		16
Fair Value measured on a Non-Recurring Basis \| Quoted Prices in Active Markets for Identical Assets (Level 1)
Collateral-dependent impaired loans
Foreclosed assets
Fair Value measured on a Non-Recurring Basis \| Significant Other Observable Inputs (Level 2)
Collateral-dependent impaired loans
Foreclosed assets
Fair Value measured on a Non-Recurring Basis \| Significant Unobservable Inputs (Level 3)
Collateral-dependent impaired loans	344	2,437
Foreclosed assets		$ 16

Fair Value measured on a Non-Recurring Basis | Fair value

Fair Value measured on a Non-Recurring Basis | Quoted Prices in Active Markets for Identical Assets (Level 1)

Fair Value measured on a Non-Recurring Basis | Significant Other Observable Inputs (Level 2)

Fair Value measured on a Non-Recurring Basis | Significant Unobservable Inputs (Level 3)