| Number of other equity instruments outstanding in share-based payment arrangement | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Number of other equity instruments outstanding in share-based payment arrangement at beginning of period | en | http://www.xbrl.org/2003/role/periodStartLabel | http://www.xbrl.org/2003/role/link |
| Number of other equity instruments outstanding in share-based payment arrangement at end of period | en | http://www.xbrl.org/2003/role/periodEndLabel | http://www.xbrl.org/2003/role/link |