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FINANCIAL INSTRUMENTS (Tables) | 3 Months Ended
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Mar. 31, 2019
FINANCIAL INSTRUMENTS |
Schedule of Fair Value on Recurring and Non-recurring Basis | The following table presents information about assets that were recorded at fair value on a recurring and non-recurring basis as of March 31, 2019 and December 31, 2018 and indicate the fair value hierarchy.
|  | March 31, 2019
(thousands of dollars) |  | Level 1 |  | Level 2 |  | Level 3 |  | Total
Non-current Assets |  |  |  |  |  |  |  |  |  |  |  |
Restricted cash |  | $ | 3,750 |  | $ | — |  |  | — |  | $ | 3,750
Total non-current assets recorded at fair value |  | $ | 3,750 |  | $ | — |  | $ | — |  | $ | 3,750
|  | December 31, 2018 |  |
(thousands of dollars) |  | Level 1 |  | Level 2 |  | Level 3 |  | Total
Current Assets |  |  |  |  |  |  |  |  |  |  |  |
Short-term available-for-sale investments |  | $ | 415 |  | $ | — |  | $ | — |  | $ | 415
Total current assets recorded at fair value |  | $ | 415 |  | $ | — |  | $ | — |  | $ | 415
Non-current Assets |  |  |  |  |  |  |  |  |  |  |  |
Restricted cash |  | $ | 3,732 |  | $ | — |  |  | — |  | $ | 3,732
Total non-current assets recorded at fair value |  | $ | 3,732 |  | $ | — |  | $ | — |  | $ | 3,732

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- Definition Tabular disclosure of assets measured at fair value measured on a recurring or nonrecurring basis. Includes, but is not limited to, fair value measurements recorded and the reasons for the measurements, level within the fair value hierarchy in which the fair value measurements are categorized and transfers between levels 1 and 2. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19207-110258 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19207-110258 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19190-110258 + Details
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