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Income Taxes (Details 3) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Reconciliation of unrecognized tax benefits    
Balance at January 1 $ 1,790 $ 1,679
Additions to tax provisions related to the current year 9 12
Additions to tax positions related to prior years 0 483
Reduction to tax positions related to prior years (439) 0
Lapses on statutes of limitations (75) (384)
Balance at December 31 $ 1,285 $ 1,790