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|---|---|---|
 0001193125-20-145035-index-headers.html | 2020-05-18 16:15:54 | |
| 0001193125-20-145035-index.html | 2020-05-18 16:15:54 | |
| 0001193125-20-145035.txt | 2020-05-18 16:15:54 | |
 0001193125-20-145035-xbrl.zip | 53016 | 2020-05-18 16:15:54 |
| d930173d8k.htm | 39697 | 2020-05-18 16:15:54 |
| d930173d8k_htm.xml | 8719 | 2020-05-18 16:15:54 |
| d930173dex11.htm | 232506 | 2020-05-18 16:15:54 |
| FilingSummary.xml | 1823 | 2020-05-18 16:15:54 |
| Financial_Report.xlsx | 6168 | 2020-05-18 16:15:54 |
| MetaLinks.json | 24418 | 2020-05-18 16:15:54 |
| R1.htm | 50008 | 2020-05-18 16:15:54 |
| report.css | 2766 | 2020-05-18 16:15:54 |
| sf-20200513.xsd | 5141 | 2020-05-18 16:15:54 |
| sf-20200513_def.xml | 15070 | 2020-05-18 16:15:54 |
| sf-20200513_lab.xml | 25928 | 2020-05-18 16:15:54 |
| sf-20200513_pre.xml | 16167 | 2020-05-18 16:15:54 |
| Show.js | 1085 | 2020-05-18 16:15:54 |