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Fair Values of Financial Instruments (Details 1) - Fair Value, Inputs, Level 3 [Member] - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Balance at the beginning of the period $ 898 $ 653
Total gains or losses (realized/unrealized):    
Included in earnings (298) 0
Included in other comprehensive income 61 245
Issuances 0 0
Sales (587) 0
Transfers in and/or out of Level 3 0 0
Balance at the end of the period $ 74 $ 898