Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-20-145020-index-headers.html | 2020-05-18 16:06:23 | |
| 0001193125-20-145020-index.html | 2020-05-18 16:06:23 | |
| 0001193125-20-145020.txt | 2020-05-18 16:06:23 | |
 0001193125-20-145020-xbrl.zip | 55611 | 2020-05-18 16:06:23 |
| d928441d8k.htm | 39288 | 2020-05-18 16:06:23 |
| d928441d8k_htm.xml | 8719 | 2020-05-18 16:06:23 |
| d928441dex11.htm | 237355 | 2020-05-18 16:06:23 |
| FilingSummary.xml | 1823 | 2020-05-18 16:06:23 |
| Financial_Report.xlsx | 6167 | 2020-05-18 16:06:23 |
| MetaLinks.json | 24418 | 2020-05-18 16:06:23 |
| R1.htm | 50008 | 2020-05-18 16:06:23 |
| report.css | 2766 | 2020-05-18 16:06:23 |
| sf-20200512.xsd | 5141 | 2020-05-18 16:06:23 |
| sf-20200512_def.xml | 15070 | 2020-05-18 16:06:23 |
| sf-20200512_lab.xml | 25928 | 2020-05-18 16:06:23 |
| sf-20200512_pre.xml | 16167 | 2020-05-18 16:06:23 |
| Show.js | 1085 | 2020-05-18 16:06:23 |