Income Taxes (Tables)

3 Months Ended

Mar. 31, 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 March 31, 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		15
Balance as of March 31, 2015	$	4,015