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|---|---|---|
 0001193125-18-099028-index-headers.html | 2018-03-28 12:57:05 | |
| 0001193125-18-099028-index.html | 2018-03-28 12:57:05 | |
| 0001193125-18-099028.txt | 2018-03-28 12:57:05 | |
 0001193125-18-099028-xbrl.zip | 157281 | 2018-03-28 12:57:05 |
| d488964d10k.htm | 406159 | 2018-03-28 12:57:05 |
| d488964dex131.htm | 1161732 | 2018-03-28 12:57:05 |
| d488964dex311.htm | 10008 | 2018-03-28 12:57:05 |
| d488964dex312.htm | 10025 | 2018-03-28 12:57:05 |
| d488964dex321.htm | 4233 | 2018-03-28 12:57:05 |
| d488964dex322.htm | 3966 | 2018-03-28 12:57:05 |
| dwsf-20171231.xml | 1738884 | 2018-03-28 12:57:05 |
| dwsf-20171231.xsd | 42809 | 2018-03-28 12:57:05 |
| dwsf-20171231_cal.xml | 41334 | 2018-03-28 12:57:05 |
| dwsf-20171231_def.xml | 254943 | 2018-03-28 12:57:05 |
| dwsf-20171231_lab.xml | 289023 | 2018-03-28 12:57:05 |
| dwsf-20171231_pre.xml | 311826 | 2018-03-28 12:57:05 |
| FilingSummary.xml | 24634 | 2018-03-28 12:57:05 |
| Financial_Report.xlsx | 70626 | 2018-03-28 12:57:05 |
 g488964g36q82.jpg | 1993 | 2018-03-28 12:57:05 |
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| R1.htm | 30001 | 2018-03-28 12:57:05 |
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| R8.htm | 14456 | 2018-03-28 12:57:05 |
| R9.htm | 31546 | 2018-03-28 12:57:05 |
| report.css | 2767 | 2018-03-28 12:57:05 |
| Show.js | 1410 | 2018-03-28 12:57:05 |