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| 0001193125-20-090201-index.html | 2020-03-30 09:01:30 | |
| 0001193125-20-090201.txt | 2020-03-30 09:01:30 | |
 0001193125-20-090201-xbrl.zip | 86344 | 2020-03-30 09:01:30 |
| d858310d10k.htm | 901356 | 2020-03-30 09:01:30 |
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| d858310dex311.htm | 10631 | 2020-03-30 09:01:30 |
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| d858310dex322.htm | 3583 | 2020-03-30 09:01:30 |
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| hppi-20191231.xsd | 30821 | 2020-03-30 09:01:30 |
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| hppi-20191231_def.xml | 155821 | 2020-03-30 09:01:30 |
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| R9.htm | 18061 | 2020-03-30 09:01:30 |
| report.css | 2767 | 2020-03-30 09:01:30 |
| Show.js | 1085 | 2020-03-30 09:01:30 |