Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2018

Fair Value Disclosures [Abstract]

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis

The following table sets forth the Company’s assets and liabilities that were measured at fair value as of September 30, 2018 and December 31, 2017 by level within the fair value hierarchy (in thousands):

	As of September 30, 2018 (unaudited)										As of December 31, 2017
	Level I		Level II			Level III		Fair Value			Level I		Level II		Level III		Fair Value
Financial assets:
Cash equivalents:
Money market funds	2,284		—			—		2,284			6,870		—		—		6,870
Short-term investments:
US Treasury securities	39,851		—			—		39,851			39,731		—		—		39,731
Term bank deposits	50,363		—			—		50,363			40,137		—		—		40,137
Other current assets:
Forward foreign exchange contracts	—		35			—		35			—		163		—		163
Financial liabilities:
Forward foreign exchange contracts	—		(1,819		)	—		(1,819		)	—		—		—		—
Total financial assets (liabilities)	$	92,498	$	(1,784	)	$	—	$	90,714		$	86,738	$	163	$	—	$	86,901