Parent Directory| Name | Size | Last Modified |
|---|---|---|
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| 0001193125-13-221972-index.html | 2013-05-15 14:22:40 | |
| 0001193125-13-221972.txt | 2013-05-15 14:22:40 | |
 0001193125-13-221972-xbrl.zip | 31311 | 2013-05-15 14:22:40 |
| d519474d10q.htm | 128978 | 2013-05-15 14:22:40 |
| d519474dex311.htm | 10541 | 2013-05-15 14:22:40 |
| d519474dex312.htm | 10880 | 2013-05-15 14:22:40 |
| d519474dex321.htm | 5649 | 2013-05-15 14:22:40 |
| dtrpi-20130331.xml | 45144 | 2013-05-15 14:22:40 |
| dtrpi-20130331.xsd | 18417 | 2013-05-15 14:22:40 |
| dtrpi-20130331_cal.xml | 22567 | 2013-05-15 14:22:40 |
| dtrpi-20130331_def.xml | 80120 | 2013-05-15 14:22:40 |
| dtrpi-20130331_lab.xml | 122262 | 2013-05-15 14:22:40 |
| dtrpi-20130331_pre.xml | 96343 | 2013-05-15 14:22:40 |
| FilingSummary.xml | 9951 | 2013-05-15 14:22:40 |
| Financial_Report.xls | 51310 | 2013-05-15 14:22:40 |
| R1.htm | 25535 | 2013-05-15 14:22:40 |
| R10.htm | 6383 | 2013-05-15 14:22:40 |
| R11.htm | 4042 | 2013-05-15 14:22:40 |
| R12.htm | 7294 | 2013-05-15 14:22:40 |
| R13.htm | 29083 | 2013-05-15 14:22:40 |
| R14.htm | 27153 | 2013-05-15 14:22:40 |
| R15.htm | 4972 | 2013-05-15 14:22:40 |
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| R18.htm | 7463 | 2013-05-15 14:22:40 |
| R2.htm | 84334 | 2013-05-15 14:22:40 |
| R3.htm | 4932 | 2013-05-15 14:22:40 |
| R4.htm | 39428 | 2013-05-15 14:22:40 |
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| R6.htm | 10710 | 2013-05-15 14:22:40 |
| R7.htm | 6632 | 2013-05-15 14:22:40 |
| R8.htm | 8096 | 2013-05-15 14:22:40 |
| R9.htm | 7207 | 2013-05-15 14:22:40 |
| report.css | 2721 | 2013-05-15 14:22:40 |
| Show.js | 6423 | 2013-05-15 14:22:40 |