v3.10.0.1

Financial income and expenses (Details) - USD ($) $ in Thousands		3 Months Ended	12 Months Ended
	Feb. 24, 2017	Jun. 30, 2018	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Financial income [Abstract]
Interest income from loans and credits			$ 36,296	$ 325	$ 286
Interest rates benefits derivatives: cash flow hedges			148	682	3,012
Total			36,444	1,007	3,298
Financial expenses [Abstract]
Expenses due to interest - Loans from credit entities			(256,736)	(253,660)	(242,919)
Expenses due to interest - Other debts			(100,057)	(137,562)	(90,995)
Interest rates losses derivatives: cash flow hedges			(68,226)	(72,495)	(74,093)
Total			(425,019)	(463,717)	(408,007)
Non-monetary financial income		$ 36,600
Other financial income / (expenses) [Abstract]
Dividend from ACBH (Brazil)			0	10,383	27,948
Impairment preferred equity investment in ACBH			0	0	(22,076)
Other financial income			14,431	28,809	13,027
Other financial losses			(22,666)	(20,758)	(10,394)
Total			(8,235)	18,434	$ 8,505
Dividends retained from Abengoa	$ 10,400
Liberty [Member]
Financial expenses [Abstract]
Increase in amortized cost			$ 23,000
Abengoa [Member]
Other financial income / (expenses) [Abstract]
Other financial income resulting from termination of currency swap agreement				$ 16,200

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Dividends received from ACBH preferred equity investment in 2014 and 2015 and dividend retained from the amount payable to Abengoa pursuant to the agreements in place with Abengoa and ACBH, in lieu of dividends not received from ACBH, which were accounted for as dividend received from ACBH.

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Dividends retained from Abengoa related to the preferred equity investment in Abengoa Concessoes Brasil Holding (ACBH), which is a subsidiary of Abengoa engaged in the development, construction, investment and management of contracted concessions in Brazil, comprised mostly of transmission lines. Retention is based on the underlying investment agreement supported by the additional agreement reached with Abengoa in the third quarter of 2016.

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The gain (loss) recorded to profit and loss from a refinancing of debt with a non-substantial modification of the original debt. The gain or loss is equal to the difference between the present value of the cash flows under the original terms of the former financing and the present value of the cash flows under the new financing, discounted both at the original effective interest rate.

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The amount of other financial income which is resulting from the termination of currency swap agreement.

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The amount of costs associated with financing activities of the entity.

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The gains resulting from change in the fair value of derivatives recognised in profit or loss. [Refer: Derivatives [member]]

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The amount of impairment loss on financial assets. [Refer: Financial assets; Impairment loss]

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The amount of interest expense on borrowings. [Refer: Interest expense; Borrowings]

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The amount of interest expense on debt instruments issued. [Refer: Interest expense; Debt instruments issued]

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The amount of finance income or cost that the entity does not separately disclose in the same statement or note. [Refer: Finance income (cost)]

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The amount of income arising from interest.

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