v3.8.0.1

Derivative financial instruments (Tables) | 3 Months Ended
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Mar. 31, 2018
Derivative financial instruments [Abstract] |
Fair value amount of derivative financial instruments | The breakdowns of the fair value amount of the derivative financial instruments as of March 31, 2018 and December 31, 2017 are as follows:
|  | Balance as of March 31, 2018 |  | Balance as of December 31, 2017 |
($ in thousands) |  | Assets |  | Liabilities |  | Assets |  | Liabilities |
Derivatives - cash flow hedge |  |  | 10,983 |  |  |  | 320,366 |  |  |  | 8,230 |  |  |  | 329,731 |

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- Definition The disclosure of detailed information about hedging instruments. [Refer: Hedging instruments [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Note Effective 2018-01-01 -Name IFRS -Number 7 -IssueDate 2017-01-01 -Paragraph 24A -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=7&date=2017-03-01&anchor=para_24A&doctype=Standard -URIDate 2017-03-09 + Details
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