Financial income and expenses (Details) - USD ($) $ in Thousands		3 Months Ended
Feb. 24, 2017	Mar. 31, 2018	Mar. 31, 2017
Financial income [Abstract]
Interest income from loans and credits		$ 119	$ 131
Interest rates benefits derivatives: cash flow hedges		177	189
Total		296	320
Financial expenses [Abstract]
Expenses due to interest - Loans from credit entities		(63,751)	(62,067)
Expenses due to interest - Other debts		(18,468)	(21,550)
Interest rates losses derivatives: cash flow hedges		(17,848)	(17,422)
Total		(100,067)	(101,039)
Other financial income / (expenses) [Abstract]
Dividend from ACBH (Brazil)		0	10,383
Other financial income		2,171	2,596
Other financial losses		(3,831)	(8,701)
Total		$ (1,660)	4,278
Dividends retained from Abengoa	$ 10,400
Abengoa [Member]
Other financial income / (expenses) [Abstract]
Loss from derecognition of fair value assigned to preferred equity investment and recognition of debt and equity instruments			$ 5,800

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.

No definition available.