Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2018

Fair Value Disclosures [Abstract]

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

The following tables present assets and liabilities measured at fair value on a recurring basis and their level within the value hierarchy (in thousands):

March 31, 2018	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total Fair Value
Assets
Money market funds (1)	$	35,120	$	—	$	—	$	35,120
Foreign exchange forward contracts (2)	—		813		—		813
Liabilities
Foreign exchange forward contracts (2)	$	—	$	96	$	—	$	96

December 31, 2017	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total Fair Value
Assets
Money market funds (1)	$	35,020	$	—	$	—	$	35,020
Foreign exchange forward contracts (2)	—		690		—		690
Liabilities
Foreign exchange forward contracts (2)	$	—	$	661	$	—	$	661

(1) Money market funds are included within cash and cash equivalents.

(2) Foreign exchange forward contracts are included within prepaid expenses and other current assets or accrued expenses depending on the gain (loss) position.