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| 0001193125-15-375753-index.html | 2015-11-12 16:36:14 | |
| 0001193125-15-375753.txt | 2015-11-12 16:36:14 | |
 0001193125-15-375753-xbrl.zip | 36860 | 2015-11-12 16:36:14 |
| d45921d10q.htm | 123293 | 2015-11-12 16:36:14 |
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| d45921dex312.htm | 9103 | 2015-11-12 16:36:14 |
| d45921dex321.htm | 4510 | 2015-11-12 16:36:14 |
| dtrpi-20150930.xml | 76420 | 2015-11-12 16:36:14 |
| dtrpi-20150930.xsd | 24681 | 2015-11-12 16:36:14 |
| dtrpi-20150930_cal.xml | 24234 | 2015-11-12 16:36:14 |
| dtrpi-20150930_def.xml | 42672 | 2015-11-12 16:36:14 |
| dtrpi-20150930_lab.xml | 148988 | 2015-11-12 16:36:14 |
| dtrpi-20150930_pre.xml | 88857 | 2015-11-12 16:36:14 |
| FilingSummary.xml | 13088 | 2015-11-12 16:36:14 |
| Financial_Report.xlsx | 25329 | 2015-11-12 16:36:14 |
| R1.htm | 21528 | 2015-11-12 16:36:14 |
| R10.htm | 6510 | 2015-11-12 16:36:14 |
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| R2.htm | 56891 | 2015-11-12 16:36:14 |
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| R8.htm | 9750 | 2015-11-12 16:36:14 |
| R9.htm | 7785 | 2015-11-12 16:36:14 |
| report.css | 2767 | 2015-11-12 16:36:14 |
| Show.js | 1410 | 2015-11-12 16:36:14 |