| Assets | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Total assets | en | http://www.xbrl.org/2003/role/totalLabel | http://www.xbrl.org/2003/role/link |
| Assets at beginning of period | en | http://www.xbrl.org/2003/role/periodStartLabel | http://www.xbrl.org/2003/role/link |
| Assets at end of period | en | http://www.xbrl.org/2003/role/periodEndLabel | http://www.xbrl.org/2003/role/link |
| The amount of resources: (a) controlled by the entity as a result of past events; and (b) from which future economic benefits are expected to flow to the entity. | en | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |