Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001558370-18-000377-index-headers.html | 2018-02-02 16:53:50 | |
| 0001558370-18-000377-index.html | 2018-02-02 16:53:50 | |
| 0001558370-18-000377.txt | 2018-02-02 16:53:50 | |
 0001558370-18-000377-xbrl.zip | 236092 | 2018-02-02 16:53:50 |
| FilingSummary.xml | 39999 | 2018-02-02 16:53:50 |
| Financial_Report.xlsx | 90530 | 2018-02-02 16:53:50 |
| hp-20171231.xml | 5159272 | 2018-02-02 16:53:50 |
| hp-20171231.xsd | 51929 | 2018-02-02 16:53:50 |
| hp-20171231ex311a7c1fa.htm | 16580 | 2018-02-02 16:53:50 |
| hp-20171231ex312d2c89d.htm | 16704 | 2018-02-02 16:53:50 |
| hp-20171231x10q.htm | 3338071 | 2018-02-02 16:53:50 |
| hp-20171231xex32.htm | 9483 | 2018-02-02 16:53:50 |
| hp-20171231_cal.xml | 88791 | 2018-02-02 16:53:50 |
| hp-20171231_def.xml | 265527 | 2018-02-02 16:53:50 |
| hp-20171231_lab.xml | 597225 | 2018-02-02 16:53:50 |
| hp-20171231_pre.xml | 493845 | 2018-02-02 16:53:50 |
| R1.htm | 22216 | 2018-02-02 16:53:50 |
| R10.htm | 75787 | 2018-02-02 16:53:50 |
| R11.htm | 54545 | 2018-02-02 16:53:50 |
| R12.htm | 5944 | 2018-02-02 16:53:50 |
| R13.htm | 120332 | 2018-02-02 16:53:50 |
| R14.htm | 141977 | 2018-02-02 16:53:50 |
| R15.htm | 118413 | 2018-02-02 16:53:50 |
| R16.htm | 4913 | 2018-02-02 16:53:50 |
| R17.htm | 132335 | 2018-02-02 16:53:50 |
| R18.htm | 54963 | 2018-02-02 16:53:50 |
| R19.htm | 13521 | 2018-02-02 16:53:50 |
| R2.htm | 89862 | 2018-02-02 16:53:50 |
| R20.htm | 10493 | 2018-02-02 16:53:50 |
| R21.htm | 257726 | 2018-02-02 16:53:50 |
| R22.htm | 30758 | 2018-02-02 16:53:50 |
| R23.htm | 30577 | 2018-02-02 16:53:50 |
| R24.htm | 11709 | 2018-02-02 16:53:50 |
| R25.htm | 16735 | 2018-02-02 16:53:50 |
| R26.htm | 1248579 | 2018-02-02 16:53:50 |
| R27.htm | 64116 | 2018-02-02 16:53:50 |
| R28.htm | 48893 | 2018-02-02 16:53:50 |
| R29.htm | 118093 | 2018-02-02 16:53:50 |
| R3.htm | 19270 | 2018-02-02 16:53:50 |
| R30.htm | 135162 | 2018-02-02 16:53:50 |
| R31.htm | 119511 | 2018-02-02 16:53:50 |
| R32.htm | 130645 | 2018-02-02 16:53:50 |
| R33.htm | 52598 | 2018-02-02 16:53:50 |
| R34.htm | 256474 | 2018-02-02 16:53:50 |
| R35.htm | 29095 | 2018-02-02 16:53:50 |
| R36.htm | 28763 | 2018-02-02 16:53:50 |
| R37.htm | 1250864 | 2018-02-02 16:53:50 |
| R38.htm | 20029 | 2018-02-02 16:53:50 |
| R39.htm | 13299 | 2018-02-02 16:53:50 |
| R4.htm | 86689 | 2018-02-02 16:53:50 |
| R40.htm | 6203 | 2018-02-02 16:53:50 |
| R41.htm | 18289 | 2018-02-02 16:53:50 |
| R42.htm | 68905 | 2018-02-02 16:53:50 |
| R43.htm | 63480 | 2018-02-02 16:53:50 |
| R44.htm | 15774 | 2018-02-02 16:53:50 |
| R45.htm | 50886 | 2018-02-02 16:53:50 |
| R46.htm | 25815 | 2018-02-02 16:53:50 |
| R47.htm | 21708 | 2018-02-02 16:53:50 |
| R48.htm | 15969 | 2018-02-02 16:53:50 |
| R49.htm | 6952 | 2018-02-02 16:53:50 |
| R5.htm | 17775 | 2018-02-02 16:53:50 |
| R50.htm | 21127 | 2018-02-02 16:53:50 |
| R51.htm | 57685 | 2018-02-02 16:53:50 |
| R52.htm | 12902 | 2018-02-02 16:53:50 |
| R53.htm | 36969 | 2018-02-02 16:53:50 |
| R54.htm | 66761 | 2018-02-02 16:53:50 |
| R55.htm | 18890 | 2018-02-02 16:53:50 |
| R56.htm | 7321 | 2018-02-02 16:53:50 |
| R57.htm | 54662 | 2018-02-02 16:53:50 |
| R58.htm | 34138 | 2018-02-02 16:53:50 |
| R59.htm | 10707 | 2018-02-02 16:53:50 |
| R6.htm | 7658 | 2018-02-02 16:53:50 |
| R60.htm | 10625 | 2018-02-02 16:53:50 |
| R61.htm | 28785 | 2018-02-02 16:53:50 |
| R62.htm | 10788 | 2018-02-02 16:53:50 |
| R63.htm | 61488 | 2018-02-02 16:53:50 |
| R64.htm | 32074 | 2018-02-02 16:53:50 |
| R65.htm | 143076 | 2018-02-02 16:53:50 |
| R66.htm | 59367 | 2018-02-02 16:53:50 |
| R7.htm | 84011 | 2018-02-02 16:53:50 |
| R8.htm | 44867 | 2018-02-02 16:53:50 |
| R9.htm | 4837 | 2018-02-02 16:53:50 |
| report.css | 2767 | 2018-02-02 16:53:50 |
| Show.js | 1410 | 2018-02-02 16:53:50 |