Income Taxes (Tables)

6 Months Ended

Jun. 30, 2015

Income Tax Disclosure [Abstract]

Summary of Activity Related to Gross Unrecognized Tax Benefits

The following table summarizes the activity related to the gross unrecognized tax benefits from January 1, 2015 through June 30, 2015:

Balance as of January 1, 2015	$	2,761
Increases related to prior year tax positions		1,239
Decreases related to prior year tax positions		—
Increases related to current year tax positions		—
Decreases related to current year tax positions		—
Effect of exchange rate changes		(17	)
Balance as of June 30, 2015	$	3,983