Accumulated Other Comprehensive Income (Tables)

6 Months Ended

Jun. 30, 2013

Equity [Abstract]

Schedule of Accumulated Other Comprehensive Income (Loss)

Changes to accumulated other comprehensive income during the six months ended June 30, 2013 were as follows:

	Unrealized Gain on Marketable Securities, net of tax			Translation Adjustment			Accumulated Other Comprehensive Income
Balance—December 31, 2012		97,220			186,001			283,221
Current period other comprehensive loss		(80,223	)		(1,932	)		(82,155	)
Amounts reclassified from accumulated other comprehensive income		(16,997	)		—			(16,997	)
Balance—June 30, 2013		—			184,069			184,069