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|---|---|---|
 0001193125-19-148095-index-headers.html | 2019-05-15 16:49:56 | |
| 0001193125-19-148095-index.html | 2019-05-15 16:49:56 | |
| 0001193125-19-148095.txt | 2019-05-15 16:49:56 | |
 0001193125-19-148095-xbrl.zip | 43435 | 2019-05-15 16:49:56 |
| d516220d10q.htm | 152869 | 2019-05-15 16:49:56 |
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| d516220dex32.htm | 5886 | 2019-05-15 16:49:56 |
| FilingSummary.xml | 14781 | 2019-05-15 16:49:56 |
| Financial_Report.xlsx | 27238 | 2019-05-15 16:49:56 |
| pvt-20190331.xml | 153167 | 2019-05-15 16:49:56 |
| pvt-20190331.xsd | 17246 | 2019-05-15 16:49:56 |
| pvt-20190331_cal.xml | 22223 | 2019-05-15 16:49:56 |
| pvt-20190331_def.xml | 107804 | 2019-05-15 16:49:56 |
| pvt-20190331_lab.xml | 125202 | 2019-05-15 16:49:56 |
| pvt-20190331_pre.xml | 128917 | 2019-05-15 16:49:56 |
| R1.htm | 31196 | 2019-05-15 16:49:56 |
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| R8.htm | 8384 | 2019-05-15 16:49:56 |
| R9.htm | 31264 | 2019-05-15 16:49:56 |
| report.css | 2767 | 2019-05-15 16:49:56 |
| Show.js | 1085 | 2019-05-15 16:49:56 |