Fair Value Measurement - (Tables)

12 Months Ended

Dec. 31, 2019

Fair Value Disclosures [Abstract]

Assets and Liabilities Measured at Fair Value on Recurring Basis

The following table summarizes, by major security type, our available-for-sale securities and derivative contracts that were measured at fair value on a recurring basis and were categorized using the fair value hierarchy (in thousands):

	December 31, 2019						December 31, 2018
	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Total Estimated Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Total Estimated Fair Value
Assets:
Available-for-sale securities:
Time deposits	$	—	$	460,000	$	460,000	$	—	$	515,000	$	515,000
Money market funds	284,172		—		284,172		94,016		—		94,016
Interest rate contracts	—		—		—		—		4,070		4,070
Foreign exchange forward contracts	—		2,508		2,508		—		1,194		1,194
Totals	$	284,172	$	462,508	$	746,680	$	94,016	$	520,264	$	614,280
Liabilities:
Interest rate contracts	$	—	$	1,515	$	1,515	$	—	$	—	$	—
Foreign exchange forward contracts	—		182		182		—		1,460		1,460
Totals	$	—	$	1,697	$	1,697	$	—	$	1,460	$	1,460