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| fr | http://www.xbrl.org/2010/role/terseMessage |
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| el | http://www.xbrl.org/2010/role/terseMessage |
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| es | http://www.xbrl.org/2010/role/terseMessage |
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| it | http://www.xbrl.org/2010/role/terseMessage |
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| srf_v0199: If [('1A7' ne "Not applicable")] then [LEN('1A7') = 20 ] |
| en | http://www.xbrl.org/2010/role/terseMessage |
| srf_v0199: If [('1A7' ne "Not applicable")] then [LEN('1A7') = 20 ] |