| bg | http://www.xbrl.org/2010/role/message |
| srf_v0099: if [('2B2' = "No") OR ('2B3'="Yes")] then '3C1'={$c} must be less than or equal to '2C1'={$d} |
| bg | http://www.xbrl.org/2010/role/terseMessage |
| srf_v0099: if [('2B2' = "No") OR ('2B3'="Yes")] then '3C1'={$c} must be less than or equal to '2C1'={$d} |
| de | http://www.xbrl.org/2010/role/message |
| srf_v0099: if [('2B2' = "No") OR ('2B3'="Yes")] then '3C1'={$c} must be less than or equal to '2C1'={$d} |
| de | http://www.xbrl.org/2010/role/terseMessage |
| srf_v0099: if [('2B2' = "No") OR ('2B3'="Yes")] then '3C1'={$c} must be less than or equal to '2C1'={$d} |
| fr | http://www.xbrl.org/2010/role/message |
| srf_v0099: if [('2B2' = "No") OR ('2B3'="Yes")] then '3C1'={$c} must be less than or equal to '2C1'={$d} |
| fr | http://www.xbrl.org/2010/role/terseMessage |
| srf_v0099: if [('2B2' = "No") OR ('2B3'="Yes")] then '3C1'={$c} must be less than or equal to '2C1'={$d} |
| el | http://www.xbrl.org/2010/role/message |
| srf_v0099: if [('2B2' = "No") OR ('2B3'="Yes")] then '3C1'={$c} must be less than or equal to '2C1'={$d} |
| el | http://www.xbrl.org/2010/role/terseMessage |
| srf_v0099: if [('2B2' = "No") OR ('2B3'="Yes")] then '3C1'={$c} must be less than or equal to '2C1'={$d} |
| en | http://www.xbrl.org/2010/role/message |
| srf_v0099: if [('2B2' = "No") OR ('2B3'="Yes")] then '3C1'={$c} must be less than or equal to '2C1'={$d} |
| en | http://www.xbrl.org/2010/role/terseMessage |
| srf_v0099: if [('2B2' = "No") OR ('2B3'="Yes")] then '3C1'={$c} must be less than or equal to '2C1'={$d} |
| es | http://www.xbrl.org/2010/role/message |
| srf_v0099: if [('2B2' = "No") OR ('2B3'="Yes")] then '3C1'={$c} must be less than or equal to '2C1'={$d} |
| es | http://www.xbrl.org/2010/role/terseMessage |
| srf_v0099: if [('2B2' = "No") OR ('2B3'="Yes")] then '3C1'={$c} must be less than or equal to '2C1'={$d} |
| et | http://www.xbrl.org/2010/role/message |
| srf_v0099: if [('2B2' = "No") OR ('2B3'="Yes")] then '3C1'={$c} must be less than or equal to '2C1'={$d} |
| et | http://www.xbrl.org/2010/role/terseMessage |
| srf_v0099: if [('2B2' = "No") OR ('2B3'="Yes")] then '3C1'={$c} must be less than or equal to '2C1'={$d} |
| fi | http://www.xbrl.org/2010/role/message |
| srf_v0099: if [('2B2' = "No") OR ('2B3'="Yes")] then '3C1'={$c} must be less than or equal to '2C1'={$d} |
| fi | http://www.xbrl.org/2010/role/terseMessage |
| srf_v0099: if [('2B2' = "No") OR ('2B3'="Yes")] then '3C1'={$c} must be less than or equal to '2C1'={$d} |
| hr | http://www.xbrl.org/2010/role/message |
| srf_v0099: if [('2B2' = "No") OR ('2B3'="Yes")] then '3C1'={$c} must be less than or equal to '2C1'={$d} |
| hr | http://www.xbrl.org/2010/role/terseMessage |
| srf_v0099: if [('2B2' = "No") OR ('2B3'="Yes")] then '3C1'={$c} must be less than or equal to '2C1'={$d} |
| it | http://www.xbrl.org/2010/role/message |
| srf_v0099: if [('2B2' = "No") OR ('2B3'="Yes")] then '3C1'={$c} must be less than or equal to '2C1'={$d} |
| it | http://www.xbrl.org/2010/role/terseMessage |
| srf_v0099: if [('2B2' = "No") OR ('2B3'="Yes")] then '3C1'={$c} must be less than or equal to '2C1'={$d} |
| lt | http://www.xbrl.org/2010/role/message |
| srf_v0099: if [('2B2' = "No") OR ('2B3'="Yes")] then '3C1'={$c} must be less than or equal to '2C1'={$d} |
| lt | http://www.xbrl.org/2010/role/terseMessage |
| srf_v0099: if [('2B2' = "No") OR ('2B3'="Yes")] then '3C1'={$c} must be less than or equal to '2C1'={$d} |
| lv | http://www.xbrl.org/2010/role/message |
| srf_v0099: if [('2B2' = "No") OR ('2B3'="Yes")] then '3C1'={$c} must be less than or equal to '2C1'={$d} |
| lv | http://www.xbrl.org/2010/role/terseMessage |
| srf_v0099: if [('2B2' = "No") OR ('2B3'="Yes")] then '3C1'={$c} must be less than or equal to '2C1'={$d} |
| nl | http://www.xbrl.org/2010/role/message |
| srf_v0099: if [('2B2' = "No") OR ('2B3'="Yes")] then '3C1'={$c} must be less than or equal to '2C1'={$d} |
| nl | http://www.xbrl.org/2010/role/terseMessage |
| srf_v0099: if [('2B2' = "No") OR ('2B3'="Yes")] then '3C1'={$c} must be less than or equal to '2C1'={$d} |
| si | http://www.xbrl.org/2010/role/message |
| srf_v0099: if [('2B2' = "No") OR ('2B3'="Yes")] then '3C1'={$c} must be less than or equal to '2C1'={$d} |
| si | http://www.xbrl.org/2010/role/terseMessage |
| srf_v0099: if [('2B2' = "No") OR ('2B3'="Yes")] then '3C1'={$c} must be less than or equal to '2C1'={$d} |
| sk | http://www.xbrl.org/2010/role/message |
| srf_v0099: if [('2B2' = "No") OR ('2B3'="Yes")] then '3C1'={$c} must be less than or equal to '2C1'={$d} |
| sk | http://www.xbrl.org/2010/role/terseMessage |
| srf_v0099: if [('2B2' = "No") OR ('2B3'="Yes")] then '3C1'={$c} must be less than or equal to '2C1'={$d} |