Accumulated Other Comprehensive Income (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2014
Accumulated Other Comprehensive Income (Loss), Net [Rollforward]
Beginning Balance	$ 3,418	[1]
Other comprehensive income before reclassifications, net of tax	(11,562)	[2]
Amounts reclassified from accumulated other comprehensive income, net of tax	(553)	[2]
Net other comprehensive income	(12,115)
Ending Balance	(8,697)	[1]
Accumulated Translation Adjustment
Accumulated Other Comprehensive Income (Loss), Net [Rollforward]
Beginning Balance	1,371
Other comprehensive income before reclassifications, net of tax	(4,781)	[2]
Amounts reclassified from accumulated other comprehensive income, net of tax	0	[2]
Net other comprehensive income	(4,781)
Ending Balance	(3,410)
Accumulated Net Unrealized Investment Gain (Loss)
Accumulated Other Comprehensive Income (Loss), Net [Rollforward]
Beginning Balance	2,047
Other comprehensive income before reclassifications, net of tax	(6,781)	[2]
Amounts reclassified from accumulated other comprehensive income, net of tax	(553)	[2]
Net other comprehensive income	(7,334)
Ending Balance	$ (5,287)

[1] As of September 30, 2014 and December 31, 2013, total assets include $7.4 million and $6.7 million, respectively, and total liabilities include $13.1 million and $10.4 million, respectively, related to SciVac Ltd (“SciVac”), previously known as SciGen (I.L.) Ltd, a consolidated variable interest entity. SciVac’s consolidated assets are owned by SciVac and SciVac’s consolidated liabilities have no recourse against us. Refer to Note 5.

[2] Effective tax rate of 38.47%.