Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-20-143928-index-headers.html | 2020-05-15 16:00:50 | |
| 0001193125-20-143928-index.html | 2020-05-15 16:00:50 | |
| 0001193125-20-143928.txt | 2020-05-15 16:00:50 | |
 0001193125-20-143928-xbrl.zip | 21114 | 2020-05-15 16:00:50 |
| d861527d8k.htm | 61622 | 2020-05-15 16:00:50 |
| d861527d8k_htm.xml | 8592 | 2020-05-15 16:00:50 |
| d861527dex101.htm | 32328 | 2020-05-15 16:00:50 |
| FilingSummary.xml | 1824 | 2020-05-15 16:00:50 |
| Financial_Report.xlsx | 6142 | 2020-05-15 16:00:50 |
| MetaLinks.json | 23828 | 2020-05-15 16:00:50 |
| R1.htm | 48460 | 2020-05-15 16:00:50 |
| report.css | 2767 | 2020-05-15 16:00:50 |
| sf-20200515.xsd | 5142 | 2020-05-15 16:00:50 |
| sf-20200515_def.xml | 14658 | 2020-05-15 16:00:50 |
| sf-20200515_lab.xml | 25164 | 2020-05-15 16:00:50 |
| sf-20200515_pre.xml | 15690 | 2020-05-15 16:00:50 |
| Show.js | 1084 | 2020-05-15 16:00:50 |