Fair Value Measurements (Details 1) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2012
Collateral Method [Member]
 
Available For Sale Securities Continuou sUnrealized Loss Position Aggregate Losses Two  
Weighted average range   
Impaired Loans [Member]
 
Available For Sale Securities Continuou sUnrealized Loss Position Aggregate Losses Two  
Assets 1,627
Foreclosed and repossessed assets [Member]
 
Available For Sale Securities Continuou sUnrealized Loss Position Aggregate Losses Two  
Assets 280