Accumulated Other Comprehensive Income (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	$ 2,919	$ 706
Other comprehensive income before reclassifications	175	2,632
Amounts reclassified from accumulated other comprehensive income	481	(419)
Net increase (decrease) in other comprehensive income	656	2,213
Ending balance	3,575	2,919
Foreign currency [Member]
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	1,381	24
Other comprehensive income before reclassifications	1,772	1,357
Amounts reclassified from accumulated other comprehensive income	0	0
Net increase (decrease) in other comprehensive income	1,772	1,357
Ending balance	3,153	1,381
Change in unrealized gains on available for sale securities [Member]
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance	1,538	682
Other comprehensive income before reclassifications	(1,597)	1,275
Amounts reclassified from accumulated other comprehensive income	481	(419)
Net increase (decrease) in other comprehensive income	(1,116)	856
Ending balance	$ 422	$ 1,538