| de | http://www.xbrl.org/2010/role/message |
| srf_v0006: '1C4' cannot be equal to 'Yes' if '1C3' is not equal to 'Yes' |
| de | http://www.xbrl.org/2010/role/terseMessage |
| srf_v0006: '1C4' cannot be equal to 'Yes' if '1C3' is not equal to 'Yes' |
| fr | http://www.xbrl.org/2010/role/message |
| srf_v0006: '1C4' cannot be equal to 'Yes' if '1C3' is not equal to 'Yes' |
| fr | http://www.xbrl.org/2010/role/terseMessage |
| srf_v0006: '1C4' cannot be equal to 'Yes' if '1C3' is not equal to 'Yes' |
| el | http://www.xbrl.org/2010/role/message |
| srf_v0006: '1C4' cannot be equal to 'Yes' if '1C3' is not equal to 'Yes' |
| el | http://www.xbrl.org/2010/role/terseMessage |
| srf_v0006: '1C4' cannot be equal to 'Yes' if '1C3' is not equal to 'Yes' |
| es | http://www.xbrl.org/2010/role/message |
| srf_v0006: '1C4' cannot be equal to 'Yes' if '1C3' is not equal to 'Yes' |
| es | http://www.xbrl.org/2010/role/terseMessage |
| srf_v0006: '1C4' cannot be equal to 'Yes' if '1C3' is not equal to 'Yes' |
| et | http://www.xbrl.org/2010/role/message |
| srf_v0006: '1C4' cannot be equal to 'Yes' if '1C3' is not equal to 'Yes' |
| et | http://www.xbrl.org/2010/role/terseMessage |
| srf_v0006: '1C4' cannot be equal to 'Yes' if '1C3' is not equal to 'Yes' |
| fi | http://www.xbrl.org/2010/role/message |
| srf_v0006: '1C4' cannot be equal to 'Yes' if '1C3' is not equal to 'Yes' |
| fi | http://www.xbrl.org/2010/role/terseMessage |
| srf_v0006: '1C4' cannot be equal to 'Yes' if '1C3' is not equal to 'Yes' |
| it | http://www.xbrl.org/2010/role/message |
| srf_v0006: '1C4' cannot be equal to 'Yes' if '1C3' is not equal to 'Yes' |
| it | http://www.xbrl.org/2010/role/terseMessage |
| srf_v0006: '1C4' cannot be equal to 'Yes' if '1C3' is not equal to 'Yes' |
| lt | http://www.xbrl.org/2010/role/message |
| srf_v0006: '1C4' cannot be equal to 'Yes' if '1C3' is not equal to 'Yes' |
| lt | http://www.xbrl.org/2010/role/terseMessage |
| srf_v0006: '1C4' cannot be equal to 'Yes' if '1C3' is not equal to 'Yes' |
| lv | http://www.xbrl.org/2010/role/message |
| srf_v0006: '1C4' cannot be equal to 'Yes' if '1C3' is not equal to 'Yes' |
| lv | http://www.xbrl.org/2010/role/terseMessage |
| srf_v0006: '1C4' cannot be equal to 'Yes' if '1C3' is not equal to 'Yes' |
| nl | http://www.xbrl.org/2010/role/message |
| srf_v0006: '1C4' cannot be equal to 'Yes' if '1C3' is not equal to 'Yes' |
| nl | http://www.xbrl.org/2010/role/terseMessage |
| srf_v0006: '1C4' cannot be equal to 'Yes' if '1C3' is not equal to 'Yes' |
| si | http://www.xbrl.org/2010/role/message |
| srf_v0006: '1C4' cannot be equal to 'Yes' if '1C3' is not equal to 'Yes' |
| si | http://www.xbrl.org/2010/role/terseMessage |
| srf_v0006: '1C4' cannot be equal to 'Yes' if '1C3' is not equal to 'Yes' |
| sk | http://www.xbrl.org/2010/role/message |
| srf_v0006: '1C4' cannot be equal to 'Yes' if '1C3' is not equal to 'Yes' |
| sk | http://www.xbrl.org/2010/role/terseMessage |
| srf_v0006: '1C4' cannot be equal to 'Yes' if '1C3' is not equal to 'Yes' |
| en | http://www.xbrl.org/2010/role/message |
| srf_v0006: '1C4' cannot be equal to 'Yes' if '1C3' is not equal to 'Yes' |
| en | http://www.xbrl.org/2010/role/terseMessage |
| srf_v0006: '1C4' cannot be equal to 'Yes' if '1C3' is not equal to 'Yes' |