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| 0001193125-19-140458-index.html | 2019-05-08 07:20:54 | |
| 0001193125-19-140458.txt | 2019-05-08 07:20:54 | |
 0001193125-19-140458-xbrl.zip | 93492 | 2019-05-08 07:20:54 |
| d931681d10q.htm | 353044 | 2019-05-08 07:20:54 |
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| report.css | 2767 | 2019-05-08 07:20:54 |
| Show.js | 1085 | 2019-05-08 07:20:54 |
| srra-20190331.xml | 458920 | 2019-05-08 07:20:54 |
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