Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-22-134370-index-headers.html | 2022-04-29 17:26:22 | |
| 0001193125-22-134370-index.html | 2022-04-29 17:26:22 | |
| 0001193125-22-134370.txt | 2022-04-29 17:26:22 | |
 0001193125-22-134370-xbrl.zip | 55950 | 2022-04-29 17:26:22 |
| d353074d10ka.htm | 497394 | 2022-04-29 17:26:22 |
| d353074d10ka_htm.xml | 7573 | 2022-04-29 17:26:22 |
| d353074dex313.htm | 3582 | 2022-04-29 17:26:22 |
| d353074dex314.htm | 3537 | 2022-04-29 17:26:22 |
| FilingSummary.xml | 1771 | 2022-04-29 17:26:22 |
| Financial_Report.xlsx | 7143 | 2022-04-29 17:26:22 |
| MetaLinks.json | 28436 | 2022-04-29 17:26:22 |
| R1.htm | 72468 | 2022-04-29 17:26:22 |
| report.css | 2767 | 2022-04-29 17:26:22 |
| Show.js | 1085 | 2022-04-29 17:26:22 |
| srra-20211231.xsd | 4697 | 2022-04-29 17:26:22 |
| srra-20211231_cal.xml | 685 | 2022-04-29 17:26:22 |
| srra-20211231_def.xml | 1690 | 2022-04-29 17:26:22 |
| srra-20211231_lab.xml | 28451 | 2022-04-29 17:26:22 |
| srra-20211231_pre.xml | 17717 | 2022-04-29 17:26:22 |