| bg | http://www.xbrl.org/2010/role/message |
| srf_v0075_2: if [('2B2' = "No") and ('1C8'= "No") and ('1C10'="No")] then '4A7'={$a} should be a value below or equal to 1. |
| bg | http://www.xbrl.org/2010/role/terseMessage |
| srf_v0075_2: if [('2B2' = "No") and ('1C8'= "No") and ('1C10'="No")] then '4A7'={$a} should be a value below or equal to 1. |
| de | http://www.xbrl.org/2010/role/message |
| srf_v0075_2: if [('2B2' = "No") and ('1C8'= "No") and ('1C10'="No")] then '4A7'={$a} should be a value below or equal to 1. |
| de | http://www.xbrl.org/2010/role/terseMessage |
| srf_v0075_2: if [('2B2' = "No") and ('1C8'= "No") and ('1C10'="No")] then '4A7'={$a} should be a value below or equal to 1. |
| fr | http://www.xbrl.org/2010/role/message |
| srf_v0075_2: if [('2B2' = "No") and ('1C8'= "No") and ('1C10'="No")] then '4A7'={$a} should be a value below or equal to 1. |
| fr | http://www.xbrl.org/2010/role/terseMessage |
| srf_v0075_2: if [('2B2' = "No") and ('1C8'= "No") and ('1C10'="No")] then '4A7'={$a} should be a value below or equal to 1. |
| el | http://www.xbrl.org/2010/role/message |
| srf_v0075_2: if [('2B2' = "No") and ('1C8'= "No") and ('1C10'="No")] then '4A7'={$a} should be a value below or equal to 1. |
| el | http://www.xbrl.org/2010/role/terseMessage |
| srf_v0075_2: if [('2B2' = "No") and ('1C8'= "No") and ('1C10'="No")] then '4A7'={$a} should be a value below or equal to 1. |
| en | http://www.xbrl.org/2010/role/message |
| srf_v0075_2: if [('2B2' = "No") and ('1C8'= "No") and ('1C10'="No")] then '4A7'={$a} should be a value below or equal to 1. |
| en | http://www.xbrl.org/2010/role/terseMessage |
| srf_v0075_2: if [('2B2' = "No") and ('1C8'= "No") and ('1C10'="No")] then '4A7'={$a} should be a value below or equal to 1. |
| es | http://www.xbrl.org/2010/role/message |
| srf_v0075_2: if [('2B2' = "No") and ('1C8'= "No") and ('1C10'="No")] then '4A7'={$a} should be a value below or equal to 1. |
| es | http://www.xbrl.org/2010/role/terseMessage |
| srf_v0075_2: if [('2B2' = "No") and ('1C8'= "No") and ('1C10'="No")] then '4A7'={$a} should be a value below or equal to 1. |
| et | http://www.xbrl.org/2010/role/message |
| srf_v0075_2: if [('2B2' = "No") and ('1C8'= "No") and ('1C10'="No")] then '4A7'={$a} should be a value below or equal to 1. |
| et | http://www.xbrl.org/2010/role/terseMessage |
| srf_v0075_2: if [('2B2' = "No") and ('1C8'= "No") and ('1C10'="No")] then '4A7'={$a} should be a value below or equal to 1. |
| fi | http://www.xbrl.org/2010/role/message |
| srf_v0075_2: if [('2B2' = "No") and ('1C8'= "No") and ('1C10'="No")] then '4A7'={$a} should be a value below or equal to 1. |
| fi | http://www.xbrl.org/2010/role/terseMessage |
| srf_v0075_2: if [('2B2' = "No") and ('1C8'= "No") and ('1C10'="No")] then '4A7'={$a} should be a value below or equal to 1. |
| hr | http://www.xbrl.org/2010/role/message |
| srf_v0075_2: if [('2B2' = "No") and ('1C8'= "No") and ('1C10'="No")] then '4A7'={$a} should be a value below or equal to 1. |
| hr | http://www.xbrl.org/2010/role/terseMessage |
| srf_v0075_2: if [('2B2' = "No") and ('1C8'= "No") and ('1C10'="No")] then '4A7'={$a} should be a value below or equal to 1. |
| it | http://www.xbrl.org/2010/role/message |
| srf_v0075_2: if [('2B2' = "No") and ('1C8'= "No") and ('1C10'="No")] then '4A7'={$a} should be a value below or equal to 1. |
| it | http://www.xbrl.org/2010/role/terseMessage |
| srf_v0075_2: if [('2B2' = "No") and ('1C8'= "No") and ('1C10'="No")] then '4A7'={$a} should be a value below or equal to 1. |
| lt | http://www.xbrl.org/2010/role/message |
| srf_v0075_2: if [('2B2' = "No") and ('1C8'= "No") and ('1C10'="No")] then '4A7'={$a} should be a value below or equal to 1. |
| lt | http://www.xbrl.org/2010/role/terseMessage |
| srf_v0075_2: if [('2B2' = "No") and ('1C8'= "No") and ('1C10'="No")] then '4A7'={$a} should be a value below or equal to 1. |
| lv | http://www.xbrl.org/2010/role/message |
| srf_v0075_2: if [('2B2' = "No") and ('1C8'= "No") and ('1C10'="No")] then '4A7'={$a} should be a value below or equal to 1. |
| lv | http://www.xbrl.org/2010/role/terseMessage |
| srf_v0075_2: if [('2B2' = "No") and ('1C8'= "No") and ('1C10'="No")] then '4A7'={$a} should be a value below or equal to 1. |
| nl | http://www.xbrl.org/2010/role/message |
| srf_v0075_2: if [('2B2' = "No") and ('1C8'= "No") and ('1C10'="No")] then '4A7'={$a} should be a value below or equal to 1. |
| nl | http://www.xbrl.org/2010/role/terseMessage |
| srf_v0075_2: if [('2B2' = "No") and ('1C8'= "No") and ('1C10'="No")] then '4A7'={$a} should be a value below or equal to 1. |
| si | http://www.xbrl.org/2010/role/message |
| srf_v0075_2: if [('2B2' = "No") and ('1C8'= "No") and ('1C10'="No")] then '4A7'={$a} should be a value below or equal to 1. |
| si | http://www.xbrl.org/2010/role/terseMessage |
| srf_v0075_2: if [('2B2' = "No") and ('1C8'= "No") and ('1C10'="No")] then '4A7'={$a} should be a value below or equal to 1. |
| sk | http://www.xbrl.org/2010/role/message |
| srf_v0075_2: if [('2B2' = "No") and ('1C8'= "No") and ('1C10'="No")] then '4A7'={$a} should be a value below or equal to 1. |
| sk | http://www.xbrl.org/2010/role/terseMessage |
| srf_v0075_2: if [('2B2' = "No") and ('1C8'= "No") and ('1C10'="No")] then '4A7'={$a} should be a value below or equal to 1. |