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|---|---|---|
 0001193125-19-086270-index-headers.html | 2019-03-26 12:09:29 | |
| 0001193125-19-086270-index.html | 2019-03-26 12:09:29 | |
| 0001193125-19-086270.txt | 2019-03-26 12:09:29 | |
 0001193125-19-086270-xbrl.zip | 81472 | 2019-03-26 12:09:29 |
| d684034d10k.htm | 735567 | 2019-03-26 12:09:29 |
| d684034dex311.htm | 12684 | 2019-03-26 12:09:29 |
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| d684034dex321.htm | 4583 | 2019-03-26 12:09:29 |
| d684034dex322.htm | 4599 | 2019-03-26 12:09:29 |
| dwsf-20181231.xml | 630117 | 2019-03-26 12:09:29 |
| dwsf-20181231.xsd | 29890 | 2019-03-26 12:09:29 |
| dwsf-20181231_cal.xml | 34559 | 2019-03-26 12:09:29 |
| dwsf-20181231_def.xml | 122728 | 2019-03-26 12:09:29 |
| dwsf-20181231_lab.xml | 220061 | 2019-03-26 12:09:29 |
| dwsf-20181231_pre.xml | 171995 | 2019-03-26 12:09:29 |
| FilingSummary.xml | 19388 | 2019-03-26 12:09:29 |
| Financial_Report.xlsx | 38325 | 2019-03-26 12:09:29 |
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| R1.htm | 35621 | 2019-03-26 12:09:29 |
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| R9.htm | 8704 | 2019-03-26 12:09:29 |
| report.css | 2767 | 2019-03-26 12:09:29 |
| Show.js | 1085 | 2019-03-26 12:09:29 |