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Note 9 - Property, Plant and Equipment, Net - Components of Property, Plant and Equipment, Net (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018
Statement Line Items [Line Items] |  |  |
Beginning of the year |  | $ 6,063,908 | $ 6,229,143
End of the year |  | 6,090,017 | 6,063,908
Land and civil buildings [member] |  |  |
Statement Line Items [Line Items] |  |  |
Beginning of the year |  | 621,664 |
End of the year |  | 677,671 | 621,664
Industrial buildings, plant and production equipment [member] |  |  |
Statement Line Items [Line Items] |  |  |
Beginning of the year |  | 5,184,669 |
End of the year |  | 5,166,678 | 5,184,669
Vehicles, furniture and fixtures [member] |  |  |
Statement Line Items [Line Items] |  |  |
Beginning of the year |  | 67,000 |
End of the year |  | 76,758 | 67,000
Construction in progress [member] |  |  |
Statement Line Items [Line Items] |  |  |
Beginning of the year |  | 127,378 |
End of the year |  | 108,308 | 127,378
Spare parts and equipment [member] |  |  |
Statement Line Items [Line Items] |  |  |
Beginning of the year |  | 63,197 |
End of the year |  | 60,602 | 63,197
Gross carrying amount [member] |  |  |
Statement Line Items [Line Items] |  |  |
Beginning of the year |  | 13,421,982 | 13,246,680
Translation differences |  | (43,307) | (131,756)
Increase due to business combinations | [1] | 178,739 |
Additions |  | 313,915 | 317,568
Disposals / Consumptions |  | (38,975) | (35,909)
Transfers / Reclassifications |  | 4,232 | 25,399
End of the year |  | 13,836,586 | 13,421,982
Gross carrying amount [member] | Land and civil buildings [member] |  |  |
Statement Line Items [Line Items] |  |  |
Beginning of the year |  | 732,578 | 712,061
Translation differences |  | (1,611) | (5,628)
Increase due to business combinations | [1] | 59,468 |
Additions |  | 16 | 723
Disposals / Consumptions |  | (35) | (221)
Transfers / Reclassifications |  | 8,723 | 25,643
End of the year |  | 799,139 | 732,578
Gross carrying amount [member] | Industrial buildings, plant and production equipment [member] |  |  |
Statement Line Items [Line Items] |  |  |
Beginning of the year |  | 12,121,569 | 11,954,585
Translation differences |  | (38,961) | (117,977)
Increase due to business combinations | [1] | 115,908 |
Additions |  | 1,178 | 681
Disposals / Consumptions |  | (27,153) | (21,836)
Transfers / Reclassifications |  | 296,272 | 306,116
End of the year |  | 12,468,813 | 12,121,569
Gross carrying amount [member] | Vehicles, furniture and fixtures [member] |  |  |
Statement Line Items [Line Items] |  |  |
Beginning of the year |  | 377,260 | 370,542
Translation differences |  | (1,615) | (5,458)
Increase due to business combinations | [1] | 1,733 |
Additions |  | 1,107 | 1,245
Disposals / Consumptions |  | (7,110) | (10,269)
Transfers / Reclassifications |  | 28,349 | 21,200
End of the year |  | 399,724 | 377,260
Gross carrying amount [member] | Construction in progress [member] |  |  |
Statement Line Items [Line Items] |  |  |
Beginning of the year |  | 127,378 | 167,079
Translation differences |  | (864) | (2,269)
Increase due to business combinations | [1] | 1,630 |
Additions |  | 299,412 | 294,163
Disposals / Consumptions |  | (2,120) | (42)
Transfers / Reclassifications |  | (317,128) | (331,553)
End of the year |  | 108,308 | 127,378
Gross carrying amount [member] | Spare parts and equipment [member] |  |  |
Statement Line Items [Line Items] |  |  |
Beginning of the year |  | 63,197 | 42,413
Translation differences |  | (256) | (424)
Increase due to business combinations | [1] |  |
Additions |  | 12,202 | 20,756
Disposals / Consumptions |  | (2,557) | (3,541)
Transfers / Reclassifications |  | (11,984) | 3,993
End of the year |  | 60,602 | 63,197
Accumulated depreciation, amortisation and impairment [member] |  |  |
Statement Line Items [Line Items] |  |  |
Beginning of the year |  | 7,358,074 | 7,017,537
Translation differences |  | (26,878) | (78,463)
Disposals / Consumptions |  | (31,542) | (29,967)
Transfers / Reclassifications |  | (400) | (498)
Depreciation charge |  | 447,315 | 449,465
End of the year |  | 7,746,569 | 7,358,074
Accumulated depreciation, amortisation and impairment [member] | Land and civil buildings [member] |  |  |
Statement Line Items [Line Items] |  |  |
Beginning of the year |  | 110,914 | 101,197
Translation differences |  | (420) | (1,383)
Disposals / Consumptions |  | (73) | (53)
Transfers / Reclassifications |  | (362) |
Depreciation charge |  | 11,409 | 11,153
End of the year |  | 121,468 | 110,914
Accumulated depreciation, amortisation and impairment [member] | Industrial buildings, plant and production equipment [member] |  |  |
Statement Line Items [Line Items] |  |  |
Beginning of the year |  | 6,936,900 | 6,612,871
Translation differences |  | (24,973) | (72,141)
Disposals / Consumptions |  | (25,580) | (21,232)
Transfers / Reclassifications |  | (38) | 173
Depreciation charge |  | 415,826 | 417,229
End of the year |  | 7,302,135 | 6,936,900
Accumulated depreciation, amortisation and impairment [member] | Vehicles, furniture and fixtures [member] |  |  |
Statement Line Items [Line Items] |  |  |
Beginning of the year |  | 310,260 | 303,469
Translation differences |  | (1,485) | (4,939)
Disposals / Consumptions |  | (5,889) | (8,682)
Transfers / Reclassifications |  |  | (671)
Depreciation charge |  | 20,080 | 21,083
End of the year |  | 322,966 | 310,260
Accumulated depreciation, amortisation and impairment [member] | Construction in progress [member] |  |  |
Statement Line Items [Line Items] |  |  |
Beginning of the year |  |  |
Translation differences |  |  |
Disposals / Consumptions |  |  |
Transfers / Reclassifications |  |  |
Depreciation charge |  |  |
End of the year |  |  |
Accumulated depreciation, amortisation and impairment [member] | Spare parts and equipment [member] |  |  |
Statement Line Items [Line Items] |  |  |
Beginning of the year |  |  |
Translation differences |  |  |
Disposals / Consumptions |  |  |
Transfers / Reclassifications |  |  |
Depreciation charge |  |  |
End of the year |  |  |
[1] | Related to SSP acquisition. See Note 27.

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