Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001564590-17-001437-index-headers.html | 2017-02-13 16:02:23 | |
| 0001564590-17-001437-index.html | 2017-02-13 16:02:23 | |
| 0001564590-17-001437.txt | 2017-02-13 16:02:23 | |
 0001564590-17-001437-xbrl.zip | 245044 | 2017-02-13 16:02:23 |
| FilingSummary.xml | 59644 | 2017-02-13 16:02:23 |
| Financial_Report.xlsx | 127293 | 2017-02-13 16:02:23 |
 g2017021320031287110421.jpg | 23328 | 2017-02-13 16:02:23 |
| pten-10k_20161231.htm | 5299806 | 2017-02-13 16:02:23 |
| pten-20161231.xml | 3913524 | 2017-02-13 16:02:23 |
| pten-20161231.xsd | 95692 | 2017-02-13 16:02:23 |
| pten-20161231_cal.xml | 81550 | 2017-02-13 16:02:23 |
| pten-20161231_def.xml | 343967 | 2017-02-13 16:02:23 |
| pten-20161231_lab.xml | 655993 | 2017-02-13 16:02:23 |
| pten-20161231_pre.xml | 576579 | 2017-02-13 16:02:23 |
| pten-ex1020_888.htm | 181144 | 2017-02-13 16:02:23 |
| pten-ex1031_889.htm | 93722 | 2017-02-13 16:02:23 |
| pten-ex211_6.htm | 22596 | 2017-02-13 16:02:23 |
| pten-ex231_10.htm | 2218 | 2017-02-13 16:02:23 |
| pten-ex311_8.htm | 8105 | 2017-02-13 16:02:23 |
| pten-ex312_9.htm | 8387 | 2017-02-13 16:02:23 |
| pten-ex321_7.htm | 8255 | 2017-02-13 16:02:23 |
| R1.htm | 29987 | 2017-02-13 16:02:23 |
| R10.htm | 141506 | 2017-02-13 16:02:23 |
| R11.htm | 11710 | 2017-02-13 16:02:23 |
| R12.htm | 19323 | 2017-02-13 16:02:23 |
| R13.htm | 79837 | 2017-02-13 16:02:23 |
| R14.htm | 98395 | 2017-02-13 16:02:23 |
| R15.htm | 33063 | 2017-02-13 16:02:23 |
| R16.htm | 30638 | 2017-02-13 16:02:23 |
| R17.htm | 47390 | 2017-02-13 16:02:23 |
| R18.htm | 26176 | 2017-02-13 16:02:23 |
| R19.htm | 144389 | 2017-02-13 16:02:23 |
| R2.htm | 76203 | 2017-02-13 16:02:23 |
| R20.htm | 367281 | 2017-02-13 16:02:23 |
| R21.htm | 22813 | 2017-02-13 16:02:23 |
| R22.htm | 226671 | 2017-02-13 16:02:23 |
| R23.htm | 6084 | 2017-02-13 16:02:23 |
| R24.htm | 218667 | 2017-02-13 16:02:23 |
| R25.htm | 33214 | 2017-02-13 16:02:23 |
| R26.htm | 70367 | 2017-02-13 16:02:23 |
| R27.htm | 113529 | 2017-02-13 16:02:23 |
| R28.htm | 82960 | 2017-02-13 16:02:23 |
| R29.htm | 173154 | 2017-02-13 16:02:23 |
| R3.htm | 26194 | 2017-02-13 16:02:23 |
| R30.htm | 117119 | 2017-02-13 16:02:23 |
| R31.htm | 19802 | 2017-02-13 16:02:23 |
| R32.htm | 61486 | 2017-02-13 16:02:23 |
| R33.htm | 85639 | 2017-02-13 16:02:23 |
| R34.htm | 32537 | 2017-02-13 16:02:23 |
| R35.htm | 29622 | 2017-02-13 16:02:23 |
| R36.htm | 20820 | 2017-02-13 16:02:23 |
| R37.htm | 138425 | 2017-02-13 16:02:23 |
| R38.htm | 371601 | 2017-02-13 16:02:23 |
| R39.htm | 20879 | 2017-02-13 16:02:23 |
| R4.htm | 71660 | 2017-02-13 16:02:23 |
| R40.htm | 224143 | 2017-02-13 16:02:23 |
| R41.htm | 212134 | 2017-02-13 16:02:23 |
| R42.htm | 29734 | 2017-02-13 16:02:23 |
| R43.htm | 66716 | 2017-02-13 16:02:23 |
| R44.htm | 112744 | 2017-02-13 16:02:23 |
| R45.htm | 7630 | 2017-02-13 16:02:23 |
| R46.htm | 14644 | 2017-02-13 16:02:23 |
| R47.htm | 36323 | 2017-02-13 16:02:23 |
| R48.htm | 26949 | 2017-02-13 16:02:23 |
| R49.htm | 8795 | 2017-02-13 16:02:23 |
| R5.htm | 13306 | 2017-02-13 16:02:23 |
| R50.htm | 18782 | 2017-02-13 16:02:23 |
| R51.htm | 10705 | 2017-02-13 16:02:23 |
| R52.htm | 31449 | 2017-02-13 16:02:23 |
| R53.htm | 12754 | 2017-02-13 16:02:23 |
| R54.htm | 26440 | 2017-02-13 16:02:23 |
| R55.htm | 10791 | 2017-02-13 16:02:23 |
| R56.htm | 19395 | 2017-02-13 16:02:23 |
| R57.htm | 13989 | 2017-02-13 16:02:23 |
| R58.htm | 146084 | 2017-02-13 16:02:23 |
| R59.htm | 85894 | 2017-02-13 16:02:23 |
| R6.htm | 4909 | 2017-02-13 16:02:23 |
| R60.htm | 10112 | 2017-02-13 16:02:23 |
| R61.htm | 66953 | 2017-02-13 16:02:23 |
| R62.htm | 43557 | 2017-02-13 16:02:23 |
| R63.htm | 27143 | 2017-02-13 16:02:23 |
| R64.htm | 18414 | 2017-02-13 16:02:23 |
| R65.htm | 12769 | 2017-02-13 16:02:23 |
| R66.htm | 46523 | 2017-02-13 16:02:23 |
| R67.htm | 13114 | 2017-02-13 16:02:23 |
| R68.htm | 26392 | 2017-02-13 16:02:23 |
| R69.htm | 9305 | 2017-02-13 16:02:23 |
| R7.htm | 71273 | 2017-02-13 16:02:23 |
| R70.htm | 13463 | 2017-02-13 16:02:23 |
| R71.htm | 24660 | 2017-02-13 16:02:23 |
| R72.htm | 9780 | 2017-02-13 16:02:23 |
| R73.htm | 24681 | 2017-02-13 16:02:23 |
| R74.htm | 15149 | 2017-02-13 16:02:23 |
| R75.htm | 10659 | 2017-02-13 16:02:23 |
| R76.htm | 16675 | 2017-02-13 16:02:23 |
| R77.htm | 19173 | 2017-02-13 16:02:23 |
| R78.htm | 4497 | 2017-02-13 16:02:23 |
| R79.htm | 19247 | 2017-02-13 16:02:23 |
| R8.htm | 100717 | 2017-02-13 16:02:23 |
| R80.htm | 39776 | 2017-02-13 16:02:23 |
| R81.htm | 15121 | 2017-02-13 16:02:23 |
| R82.htm | 38652 | 2017-02-13 16:02:23 |
| R83.htm | 62705 | 2017-02-13 16:02:23 |
| R84.htm | 4598 | 2017-02-13 16:02:23 |
| R85.htm | 27102 | 2017-02-13 16:02:23 |
| R86.htm | 21595 | 2017-02-13 16:02:23 |
| R87.htm | 34984 | 2017-02-13 16:02:23 |
| R88.htm | 15969 | 2017-02-13 16:02:23 |
| R89.htm | 14440 | 2017-02-13 16:02:23 |
| R9.htm | 4530 | 2017-02-13 16:02:23 |
| R90.htm | 14919 | 2017-02-13 16:02:23 |
| R91.htm | 15055 | 2017-02-13 16:02:23 |
| R92.htm | 4913 | 2017-02-13 16:02:23 |
| R93.htm | 17570 | 2017-02-13 16:02:23 |
| R94.htm | 8651 | 2017-02-13 16:02:23 |
| R95.htm | 20776 | 2017-02-13 16:02:23 |
| R96.htm | 9368 | 2017-02-13 16:02:23 |
| report.css | 2768 | 2017-02-13 16:02:23 |
| Show.js | 1411 | 2017-02-13 16:02:23 |