Basis of Presentation (Tables)

6 Months Ended

Jun. 30, 2013

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Accumulated Other Comprehensive Income

	Foreign Currency			Unrealized
	Translation			Gain (Loss) on			Accumulated Other
	Adjustments			Investments			Comprehensive Income
Balance as of December 31, 2012	$	1,055		$	12,231		$	13,286
Current period other comprehensive loss		(1,294	)		(8,404	)		(9,698	)
Balance as of June 30, 2013	$	(239	)	$	3,827		$	3,588