Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2017

Fair Value Disclosures [Abstract]

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

The following table details our financial assets measured and recorded at fair value on a recurring basis at September 30, 2017:

(In thousands)
		Fair Value Measurements Using
Description	Balance Sheet Classification	Level 1		Level 2		Level 3
Money market funds	Cash equivalents	$	319,668	$	—	$	—
Time deposits	Cash equivalents	—		51,426		—
Commercial paper	Cash equivalents	—		23,550		—
Government and corporate bonds	Cash equivalents	—		500		—
Time deposits	Short-term investments	—		32,808		—
Commercial paper	Short-term investments	—		87,874		—
Government and corporate bonds	Short-term investments	—		158,314		—
Government and corporate bonds	Long-term investments	—		99,032		—

The following table details our financial assets measured and recorded at fair value on a recurring basis at December 31, 2016:

(In thousands)
		Fair Value Measurements Using
Description	Balance Sheet Classification	Level 1		Level 2		Level 3
Money market funds	Cash equivalents	$	23,110	$	—	$	—
Time deposits	Cash equivalents	—		11,477		—
Time deposits	Short-term investments	—		40,639		—
Commercial paper	Short-term investments	—		22,301		—
Government and corporate bonds	Short-term investments	—		122,648		—
Government and corporate bonds	Long-term investments	—		95,368		—