CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
Net Income	$ 23,351	$ 27,083	$ 15,126
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments	(3,779)	211	(310)
Unrealized gain (loss) on securities, (net of tax)	2	123	(207)
Net gain (loss) on intra-entity foreign currency transactions	3,419
Total other comprehensive income (loss)	(358)	334	(517)
Total Comprehensive Income	$ 22,993	$ 27,417	$ 14,609