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Fair Value (Details 1) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Reconciliation for all assets measured at fair value on a recurring basis using significant unobservable inputs    
Beginning Balance $ 12 $ 15
Total unrealized gains or losses:    
Included in other comprehensive income 0 0
Repayments, calls and maturities (1) (1)
Ending Balance $ 11 $ 14