Fair Value Measurement (Tables)

6 Months Ended

Jun. 30, 2017

Fair Value Disclosures [Abstract]

Schedule of fair value, assets measured on recurring basis

The following tables present our financial assets and liabilities that are measured at fair value on a recurring basis and are categorized using the fair value hierarchy. The fair value hierarchy has three levels based on the reliability of the inputs used to determine fair value.

			Fair Value Measurements at June 30, 2017
	Total		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets:
Short-term investments	$	123,805	$	—	$	123,805	$	—
Foreign currency forward exchange contracts accounted for using hedge accounting		2,452				2,452
Foreign currency forward exchange contracts not accounted for using hedge accounting		123		—		123		—
	$	126,380	$	—	$	126,380	$	—
Liabilities:
Interest rate swap	$	668	$	—	$	668	$	—

			Fair Value Measurements at December 31, 2016
	Total		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets:
Short-term investments	$	94,202	$	—	$	94,202	$	—
Liabilities:
Foreign currency forward exchange contracts accounted for using hedge accounting	$	181	$	—	$	181	$	—
Foreign currency forward exchange contracts not accounted for using hedge accounting		418		—		418		—
Interest rate swap		908		—		908		—
	$	1,507	$	—	$	1,507	$	—