Accumulated Other Comprehensive Income (Loss) (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2015 USD ($)
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance	$ (8,895)
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax [Abstract]
Other comprehensive loss before reclassifications	(11,544)
Amounts reclassified from accumulated other comprehensive income	93
Net current-period other comprehensive loss	(11,451)
Ending balance	(20,346)
Accumulated Translation Adjustment [Member]
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance	(10,088)
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax [Abstract]
Other comprehensive loss before reclassifications	(10,290)
Amounts reclassified from accumulated other comprehensive income	0
Net current-period other comprehensive loss	(10,290)
Ending balance	(20,378)
Accumulated Net Unrealized Investment Gain (Loss) [Member]
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance	1,193
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax [Abstract]
Other comprehensive loss before reclassifications	(1,254)
Amounts reclassified from accumulated other comprehensive income	93
Net current-period other comprehensive loss	(1,161)
Ending balance	$ 32