CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Net (loss) income	$ (331)	$ 4,959	$ 1,459	$ 11,963
Other comprehensive income (loss), net of tax:
Unrealized gain on securities, net of tax	33	13	80	39
Foreign currency translation adjustments	1,315	(741)	1,248	1,023
Total other comprehensive income (loss)	1,348	(728)	1,328	1,062
Comprehensive income	$ 1,017	$ 4,231	$ 2,787	$ 13,025