Basis of Presentation (Tables)

3 Months Ended

Mar. 31, 2014

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Accumulated Other Comprehensive Income

	Foreign Currency Translation Adjustments		Unrealized Gain (Loss) on Investments			Accumulated Other Comprehensive Income
Balance as of December 31, 2013	$	1,215	$	7,605		$	8,820
Current period other comprehensive income (loss)		93		(4,552	)		(4,459	)
Balance as of March 31, 2014	$	1,308	$	3,053		$	4,361