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Fair Value Measurements (Details 2) (USD $)
9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Balance, beginning $ 47 $ 47
Total realized/unrealized gains and (losses):    
Included in earnings      
Included in other comprehensive income      
Purchases, maturities, and sales      
Transferred from Level 2 to Level 3      
Transferred to held to maturity classification      
Balance, ending 47 47
Total gains or (losses) for the period included in earnings attributable to the change in unrealized gains or losses relating to assets still held