Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2017

Fair Value Disclosures [Abstract]

Assets and Liabilities Measured at Fair Value

The following table sets forth the Company’s assets and liabilities that were accounted for at fair value as of December 31, 2017 and 2016. The table excludes accounts receivable, accounts payable and accrued expenses for which fair values approximate their carrying amounts.

As of December 31, 2017	Level 1		Level 2		Level 3		Total
Assets
Money market and mutual funds*	$	162,906	$	—	$	—	$	162,906
Derivative financial instruments	—		18,298		—		18,298
Total	$	162,906	$	18,298	$	—	$	181,204
Liabilities
Derivative financial instruments	$	—	$	877	$	—	$	877
Fair value of earn-out consideration	—		—		920		920
Total	$	—	$	877	$	920	$	1,797
As of December 31, 2016	Level 1		Level 2		Level 3		Total
Assets
Money market and mutual funds*	$	—	$	—	$	—	$	—
Derivative financial instruments	—		6,318		—		6,318
Total	$	—	$	6,318	$	—	$	6,318
Liabilities
Derivative financial instruments	$	—	$	2,258	$	—	$	2,258
Total	$	—	$	2,258	$	—	$	2,258

* Represents short-term investments carried on fair value option under ASC 825 "Financial Instruments" as of December 31, 2017