Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets and Goodwill (Intangible Assets Rollforward) (Details)

v3.7.0.1
Intangible Assets and Goodwill (Intangible Assets Rollforward) (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Finite-lived Intangible Assets [Roll Forward]        
Balance, beginning of period     $ 8,110  
Amortization expense $ (524) $ (550) (1,040) $ (1,098)
Currency translation     (172)  
Balance, end of period $ 7,242   $ 7,242