CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Statement of Comprehensive Income [Abstract]
Net income	$ 18,316	$ 27,590	$ 21,434
Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Net of Tax	2,583	0	0
Other comprehensive income (loss):
Translation adjustments	(4,516)	2,293	(2,870)
Total other comprehensive (loss) income	(1,933)	2,293	(2,870)
Comprehensive income	$ 16,383	$ 29,883	$ 18,564