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Earnings per share (EPS) (Details) - PEN (S/) S/ / shares in Units, S/ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Numerator |  |  |
Net profit from continuing operations attributable to ordinary equity holders of the Parent | S/ 81,385 | S/ 119,483 | S/ 217,387
Net loss from discontinued operations attributable to ordinary equity holders of the Parent | (754) | (6,589) | (5,720)
Net profit attributable to ordinary equity holders of the Parent | S/ 80,631 | S/ 112,894 | S/ 211,667
Denominator |  |  |
Weighted average number of common and investment shares | 446,062 | 544,687 | 573,998
Basic profit for common and investment shares from continuing operations | S/ 0.21 | S/ 0.22 | S/ 0.39
Basic loss for common and investment shares from discontinued operations |  | (0.01) | (0.01)
Basic profit for common and investment shares from continuing and discontinued operations | S/ 0.21 | S/ 0.21 | S/ 0.38

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- Definition The amount of profit (loss) attributable to ordinary equity holders of the parent entity (the numerator) divided by the weighted average number of ordinary shares outstanding during the period (the denominator). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 33 -IssueDate 2017-01-01 -Paragraph 66 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=33&date=2017-03-01&anchor=para_66&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition Basic earnings (loss) per share from discontinued operations. [Refer: Basic earnings (loss) per share; Discontinued operations [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 33 -IssueDate 2017-01-01 -Paragraph 68 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=33&date=2017-03-01&anchor=para_68&doctype=Standard -URIDate 2017-03-09 + Details
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