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| 0001193125-19-221252-index.html | 2019-08-14 16:34:53 | |
| 0001193125-19-221252.txt | 2019-08-14 16:34:53 | |
 0001193125-19-221252-xbrl.zip | 46480 | 2019-08-14 16:34:53 |
| d754839d10q.htm | 173345 | 2019-08-14 16:34:53 |
| d754839dex311.htm | 10631 | 2019-08-14 16:34:53 |
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| d754839dex32.htm | 5433 | 2019-08-14 16:34:53 |
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| Financial_Report.xlsx | 29484 | 2019-08-14 16:34:53 |
| pvt-20190630.xml | 177848 | 2019-08-14 16:34:53 |
| pvt-20190630.xsd | 19249 | 2019-08-14 16:34:53 |
| pvt-20190630_cal.xml | 21693 | 2019-08-14 16:34:53 |
| pvt-20190630_def.xml | 120052 | 2019-08-14 16:34:53 |
| pvt-20190630_lab.xml | 142567 | 2019-08-14 16:34:53 |
| pvt-20190630_pre.xml | 143685 | 2019-08-14 16:34:53 |
| R1.htm | 46837 | 2019-08-14 16:34:53 |
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| R9.htm | 32490 | 2019-08-14 16:34:53 |
| report.css | 2767 | 2019-08-14 16:34:53 |
| Show.js | 1085 | 2019-08-14 16:34:53 |