| Basic earnings (loss) per share for an equity instrument that participates in profit with ordinary shares according to a predetermined formula. | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Total basic earnings (loss) per instrument, participating equity instruments other than ordinary shares | en | http://www.xbrl.org/2003/role/totalLabel | http://www.xbrl.org/2003/role/link |
| Basic earnings (loss) per instrument, participating equity instruments other than ordinary shares | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |