Quarterly report pursuant to Section 13 or 15(d)

Accumulated Other Comprehensive Loss - Changes in AOCI (Details)

v3.8.0.1
Accumulated Other Comprehensive Loss - Changes in AOCI (Details)
$ in Thousands
9 Months Ended
Sep. 30, 2017
USD ($)
Accumulated Other Comprehensive Income Loss [Line Items]  
Beginning Balance $ 236,397
Ending Balance 268,770
Unrealized Gains and Losses on Available-for-Sale Securities [Member]  
Accumulated Other Comprehensive Income Loss [Line Items]  
Beginning Balance (391)
Other comprehensive (loss) income before reclassifications (94)
Amounts reclassified from accumulated other comprehensive loss 163
Net current period other comprehensive income 69
Ending Balance (322)
Foreign Currency Items [Member]  
Accumulated Other Comprehensive Income Loss [Line Items]  
Beginning Balance (15,442)
Other comprehensive (loss) income before reclassifications 6,957
Amounts reclassified from accumulated other comprehensive loss 0
Net current period other comprehensive income 6,957
Ending Balance (8,485)
Accumulated other comprehensive income (loss) [Member]  
Accumulated Other Comprehensive Income Loss [Line Items]  
Beginning Balance (15,833)
Other comprehensive (loss) income before reclassifications 6,863
Amounts reclassified from accumulated other comprehensive loss 163
Net current period other comprehensive income 7,026
Ending Balance $ (8,807)