CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Net income	$ 1,504	$ 4,703	$ 11,269	$ 13,772
Other comprehensive income:
Unrealized (loss) gain on securities, net of tax	(3)	(182)	28	(145)
Foreign currency translation adjustments	891	(417)	1,276	(2,487)
Total other comprehensive income (loss)	888	(599)	1,304	(2,632)
Comprehensive income	$ 2,392	$ 4,104	$ 12,573	$ 11,140