Accumulated Other Comprehensive Income (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014
Accumulated Other Comprehensive Income (Loss), Net [Rollforward]
Beginning Balance	$ 3,418	[1]
Other comprehensive income before reclassifications, net of tax	(1,466)	[2]
Amounts reclassified from accumulated other comprehensive income, net of tax	(553)	[2]
Net other comprehensive income	(2,019)
Ending Balance	1,399	[1]
Accumulated Translation Adjustment [Member]
Accumulated Other Comprehensive Income (Loss), Net [Rollforward]
Beginning Balance	1,371
Other comprehensive income before reclassifications, net of tax	(1,801)	[2]
Amounts reclassified from accumulated other comprehensive income, net of tax	0	[2]
Net other comprehensive income	(1,801)
Ending Balance	(430)
Accumulated Net Unrealized Investment Gain (Loss) [Member]
Accumulated Other Comprehensive Income (Loss), Net [Rollforward]
Beginning Balance	2,047
Other comprehensive income before reclassifications, net of tax	335	[2]
Amounts reclassified from accumulated other comprehensive income, net of tax	(553)	[2]
Net other comprehensive income	(218)
Ending Balance	$ 1,829

[1] As of March 31, 2014 and December 31, 2013, total assets include $6.8 million and $6.7 million, respectively, and total liabilities include $11.4 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%.