Short-term and Long-term Investments (Tables)

12 Months Ended

Dec. 31, 2018

Short-term and Long-term Investments [Abstract]

Composition of Short-Term and Long -Term Investments

	December 31,	December 31,
	2018	2017
	(In thousands)
Short-term investments
Time Deposits	$                  20,056	$                202,820
Sovereign Debt Securities (Central Bank of Brazil mandatory guarantee)	284,317	—
Sovereign Debt Securities	157,147	2,225
Corporate Debt Securities	21	4,387
Total	$                461,541	$                209,432
Long-term investments
Sovereign Debt Securities	$                272,455	$                  13,671
Corporate Debt Securities	241	19,926
Others Investments	3,440	1,123
Total	$                276,136	$                  34,720