Fair value measurements (Tables)

6 Months Ended

Jun. 30, 2020

Fair Value Disclosures [Abstract]

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

Assets and liabilities measured at fair value on a recurring basis are summarized below:

	Fair Value Measurements at Reporting Date Using
(In thousands)	(Unaudited)
Description	June 30, 2020		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets
Cash and cash equivalents available for sale:
Money Market Funds	$	64,379	$	64,379	$	—	$	—
Short-term investments available for sale:
Corporate notes and bonds	137,104		—		137,104		—
Derivatives	13,578		—		13,578		—
Total Assets	$	215,061	$	64,379	$	150,682	$	—
Liabilities
Derivatives	$	(8,798)	$	—	$	(8,798)	$	—
Total Liabilities	$	(8,798)	$	—	$	(8,798)	$	—

(In thousands)	Fair Value Measurements at Reporting Date Using
Description	December 31, 2019		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets
Cash and cash equivalents available for sale:
Money Market Funds	$	87,397	$	87,397	$	—	$	—
Corporate notes and bonds	9,962		—		9,962		—
Short-term investments available for sale:
Corporate bonds	237,983		—		237,983		—
Derivatives	8,209		—		8,209		—
Total Assets	$	343,551	$	87,397	$	256,154	$	—
Liabilities
Derivatives	$	(2,872)	$	—	$	(2,872)	$	—
Total Liabilities	$	(2,872)	$	—	$	(2,872)	$	—