| de | http://www.xbrl.org/2010/role/message |
| srf_v0077: If you fill in a value for '1D1'={$a}, then it should be a date in the year before the contribution period. Otherwise leave it blank. |
| de | http://www.xbrl.org/2010/role/terseMessage |
| srf_v0077: If you fill in a value for '1D1'={$a}, then it should be a date in the year before the contribution period. Otherwise leave it blank. |
| fr | http://www.xbrl.org/2010/role/message |
| srf_v0077: If you fill in a value for '1D1'={$a}, then it should be a date in the year before the contribution period. Otherwise leave it blank. |
| fr | http://www.xbrl.org/2010/role/terseMessage |
| srf_v0077: If you fill in a value for '1D1'={$a}, then it should be a date in the year before the contribution period. Otherwise leave it blank. |
| el | http://www.xbrl.org/2010/role/message |
| srf_v0077: If you fill in a value for '1D1'={$a}, then it should be a date in the year before the contribution period. Otherwise leave it blank. |
| el | http://www.xbrl.org/2010/role/terseMessage |
| srf_v0077: If you fill in a value for '1D1'={$a}, then it should be a date in the year before the contribution period. Otherwise leave it blank. |
| es | http://www.xbrl.org/2010/role/message |
| srf_v0077: If you fill in a value for '1D1'={$a}, then it should be a date in the year before the contribution period. Otherwise leave it blank. |
| es | http://www.xbrl.org/2010/role/terseMessage |
| srf_v0077: If you fill in a value for '1D1'={$a}, then it should be a date in the year before the contribution period. Otherwise leave it blank. |
| et | http://www.xbrl.org/2010/role/message |
| srf_v0077: If you fill in a value for '1D1'={$a}, then it should be a date in the year before the contribution period. Otherwise leave it blank. |
| et | http://www.xbrl.org/2010/role/terseMessage |
| srf_v0077: If you fill in a value for '1D1'={$a}, then it should be a date in the year before the contribution period. Otherwise leave it blank. |
| fi | http://www.xbrl.org/2010/role/message |
| srf_v0077: If you fill in a value for '1D1'={$a}, then it should be a date in the year before the contribution period. Otherwise leave it blank. |
| fi | http://www.xbrl.org/2010/role/terseMessage |
| srf_v0077: If you fill in a value for '1D1'={$a}, then it should be a date in the year before the contribution period. Otherwise leave it blank. |
| it | http://www.xbrl.org/2010/role/message |
| srf_v0077: If you fill in a value for '1D1'={$a}, then it should be a date in the year before the contribution period. Otherwise leave it blank. |
| it | http://www.xbrl.org/2010/role/terseMessage |
| srf_v0077: If you fill in a value for '1D1'={$a}, then it should be a date in the year before the contribution period. Otherwise leave it blank. |
| lt | http://www.xbrl.org/2010/role/message |
| srf_v0077: If you fill in a value for '1D1'={$a}, then it should be a date in the year before the contribution period. Otherwise leave it blank. |
| lt | http://www.xbrl.org/2010/role/terseMessage |
| srf_v0077: If you fill in a value for '1D1'={$a}, then it should be a date in the year before the contribution period. Otherwise leave it blank. |
| lv | http://www.xbrl.org/2010/role/message |
| srf_v0077: If you fill in a value for '1D1'={$a}, then it should be a date in the year before the contribution period. Otherwise leave it blank. |
| lv | http://www.xbrl.org/2010/role/terseMessage |
| srf_v0077: If you fill in a value for '1D1'={$a}, then it should be a date in the year before the contribution period. Otherwise leave it blank. |
| nl | http://www.xbrl.org/2010/role/message |
| srf_v0077: If you fill in a value for '1D1'={$a}, then it should be a date in the year before the contribution period. Otherwise leave it blank. |
| nl | http://www.xbrl.org/2010/role/terseMessage |
| srf_v0077: If you fill in a value for '1D1'={$a}, then it should be a date in the year before the contribution period. Otherwise leave it blank. |
| si | http://www.xbrl.org/2010/role/message |
| srf_v0077: If you fill in a value for '1D1'={$a}, then it should be a date in the year before the contribution period. Otherwise leave it blank. |
| si | http://www.xbrl.org/2010/role/terseMessage |
| srf_v0077: If you fill in a value for '1D1'={$a}, then it should be a date in the year before the contribution period. Otherwise leave it blank. |
| sk | http://www.xbrl.org/2010/role/message |
| srf_v0077: If you fill in a value for '1D1'={$a}, then it should be a date in the year before the contribution period. Otherwise leave it blank. |
| sk | http://www.xbrl.org/2010/role/terseMessage |
| srf_v0077: If you fill in a value for '1D1'={$a}, then it should be a date in the year before the contribution period. Otherwise leave it blank. |
| en | http://www.xbrl.org/2010/role/message |
| srf_v0077: If you fill in a value for '1D1'={$a}, then it should be a date in the year before the contribution period. Otherwise leave it blank. |
| en | http://www.xbrl.org/2010/role/terseMessage |
| srf_v0077: If you fill in a value for '1D1'={$a}, then it should be a date in the year before the contribution period. Otherwise leave it blank. |