Quarterly report pursuant to Section 13 or 15(d)

Income Taxes (Narrative) (Details)

v3.7.0.1
Income Taxes (Narrative) (Details) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Income Taxes [Abstract]    
Uncertain tax benefit positions that would reduce the effective income tax rate if recognized $ 222  
Effective tax rate (0.80%) (5.00%)
Federal tax rate 35.00%  
Increase (decrease) in income tax rate due to the effect of foreign operations (18.20%)