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Note 18 - Cash and Cash Equivalents and Other Investments - Components of Cash and Cash Equivalents and Other Investments (Details) - USD ($) $ in Thousands | Dec. 31, 2019 | Dec. 31, 2018
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Cash and cash equivalents: |  |
Cash at banks | $ 118,314 | $ 81,211
Liquidity funds | 1,166,697 | 160,198
Short – term investments | 269,288 | 186,952
Total cash and cash equivalents | 1,554,299 | 428,361
Other investments - current: |  |
Other investments - current | 210,376 | 487,734
Other investments - Non-current: |  |
Other investments - non-current | 24,934 | 118,155
Fixed Income (time-deposit, zero coupon bonds, commercial papers) [member] |  |
Other investments - current: |  |
Other investments - current | 65,874 | 300,410
Bonds and other fixed income [member] |  |
Other investments - current: |  |
Other investments - current | 144,502 | 187,324
Other investments - Non-current: |  |
Other investments - non-current | 18,012 | 113,829
Other investments [member] |  |
Other investments - Non-current: |  |
Other investments - non-current | $ 6,922 | $ 4,326

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- Definition The amount of cash on hand and demand deposits, along with short-term, highly liquid investments that are readily convertible to known amounts of cash and that are subject to an insignificant risk of changes in value. [Refer: Cash; Cash equivalents] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2019-01-01 -Paragraph 45 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2019-en-r&anchor=para_45&doctype=Standard -URIDate 2019-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2019-01-01 -Paragraph B13 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2019-en-r&anchor=para_B13_a&doctype=Appendix&subtype=B -URIDate 2019-03-27 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2019-01-01 -Paragraph 54 -Subparagraph i -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_54_i&doctype=Standard -URIDate 2019-03-27 + Details
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- Definition The amount of current investments. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2019-01-01 -Paragraph 55 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_55&doctype=Standard -URIDate 2019-03-27 + Details
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