| de | http://www.xbrl.org/2010/role/message |
| srf_v0013: '2A1'={$a} - '2A2'={$b} - '2A3'={$c} must be greater than or equal to 0 | Difference = {$a - $b - $c} |
| de | http://www.xbrl.org/2010/role/terseMessage |
| srf_v0013: '2A1'={$a} - '2A2'={$b} - '2A3'={$c} must be greater than or equal to 0 | Difference = {$a - $b - $c} |
| fr | http://www.xbrl.org/2010/role/message |
| srf_v0013: '2A1'={$a} - '2A2'={$b} - '2A3'={$c} must be greater than or equal to 0 | Difference = {$a - $b - $c} |
| fr | http://www.xbrl.org/2010/role/terseMessage |
| srf_v0013: '2A1'={$a} - '2A2'={$b} - '2A3'={$c} must be greater than or equal to 0 | Difference = {$a - $b - $c} |
| el | http://www.xbrl.org/2010/role/message |
| srf_v0013: '2A1'={$a} - '2A2'={$b} - '2A3'={$c} must be greater than or equal to 0 | Difference = {$a - $b - $c} |
| el | http://www.xbrl.org/2010/role/terseMessage |
| srf_v0013: '2A1'={$a} - '2A2'={$b} - '2A3'={$c} must be greater than or equal to 0 | Difference = {$a - $b - $c} |
| es | http://www.xbrl.org/2010/role/message |
| srf_v0013: '2A1'={$a} - '2A2'={$b} - '2A3'={$c} must be greater than or equal to 0 | Difference = {$a - $b - $c} |
| es | http://www.xbrl.org/2010/role/terseMessage |
| srf_v0013: '2A1'={$a} - '2A2'={$b} - '2A3'={$c} must be greater than or equal to 0 | Difference = {$a - $b - $c} |
| et | http://www.xbrl.org/2010/role/message |
| srf_v0013: '2A1'={$a} - '2A2'={$b} - '2A3'={$c} must be greater than or equal to 0 | Difference = {$a - $b - $c} |
| et | http://www.xbrl.org/2010/role/terseMessage |
| srf_v0013: '2A1'={$a} - '2A2'={$b} - '2A3'={$c} must be greater than or equal to 0 | Difference = {$a - $b - $c} |
| fi | http://www.xbrl.org/2010/role/message |
| srf_v0013: '2A1'={$a} - '2A2'={$b} - '2A3'={$c} must be greater than or equal to 0 | Difference = {$a - $b - $c} |
| fi | http://www.xbrl.org/2010/role/terseMessage |
| srf_v0013: '2A1'={$a} - '2A2'={$b} - '2A3'={$c} must be greater than or equal to 0 | Difference = {$a - $b - $c} |
| it | http://www.xbrl.org/2010/role/message |
| srf_v0013: '2A1'={$a} - '2A2'={$b} - '2A3'={$c} must be greater than or equal to 0 | Difference = {$a - $b - $c} |
| it | http://www.xbrl.org/2010/role/terseMessage |
| srf_v0013: '2A1'={$a} - '2A2'={$b} - '2A3'={$c} must be greater than or equal to 0 | Difference = {$a - $b - $c} |
| lt | http://www.xbrl.org/2010/role/message |
| srf_v0013: '2A1'={$a} - '2A2'={$b} - '2A3'={$c} must be greater than or equal to 0 | Difference = {$a - $b - $c} |
| lt | http://www.xbrl.org/2010/role/terseMessage |
| srf_v0013: '2A1'={$a} - '2A2'={$b} - '2A3'={$c} must be greater than or equal to 0 | Difference = {$a - $b - $c} |
| lv | http://www.xbrl.org/2010/role/message |
| srf_v0013: '2A1'={$a} - '2A2'={$b} - '2A3'={$c} must be greater than or equal to 0 | Difference = {$a - $b - $c} |
| lv | http://www.xbrl.org/2010/role/terseMessage |
| srf_v0013: '2A1'={$a} - '2A2'={$b} - '2A3'={$c} must be greater than or equal to 0 | Difference = {$a - $b - $c} |
| nl | http://www.xbrl.org/2010/role/message |
| srf_v0013: '2A1'={$a} - '2A2'={$b} - '2A3'={$c} must be greater than or equal to 0 | Difference = {$a - $b - $c} |
| nl | http://www.xbrl.org/2010/role/terseMessage |
| srf_v0013: '2A1'={$a} - '2A2'={$b} - '2A3'={$c} must be greater than or equal to 0 | Difference = {$a - $b - $c} |
| si | http://www.xbrl.org/2010/role/message |
| srf_v0013: '2A1'={$a} - '2A2'={$b} - '2A3'={$c} must be greater than or equal to 0 | Difference = {$a - $b - $c} |
| si | http://www.xbrl.org/2010/role/terseMessage |
| srf_v0013: '2A1'={$a} - '2A2'={$b} - '2A3'={$c} must be greater than or equal to 0 | Difference = {$a - $b - $c} |
| sk | http://www.xbrl.org/2010/role/message |
| srf_v0013: '2A1'={$a} - '2A2'={$b} - '2A3'={$c} must be greater than or equal to 0 | Difference = {$a - $b - $c} |
| sk | http://www.xbrl.org/2010/role/terseMessage |
| srf_v0013: '2A1'={$a} - '2A2'={$b} - '2A3'={$c} must be greater than or equal to 0 | Difference = {$a - $b - $c} |
| en | http://www.xbrl.org/2010/role/message |
| srf_v0013: '2A1'={$a} - '2A2'={$b} - '2A3'={$c} must be greater than or equal to 0 | Difference = {$a - $b - $c} |
| en | http://www.xbrl.org/2010/role/terseMessage |
| srf_v0013: '2A1'={$a} - '2A2'={$b} - '2A3'={$c} must be greater than or equal to 0 | Difference = {$a - $b - $c} |