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Fair Value Measurements (Details 2) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Reconciliation of Fair Value Measurements    
Balance, beginning $ 47 $ 47
Total realized/unrealized gains and (losses):    
Included in earnings      
Included in other comprehensive income      
Purchases, maturities, and sales      
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 at year end