Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001564590-20-052011-index-headers.html | 2020-11-06 16:38:47 | |
| 0001564590-20-052011-index.html | 2020-11-06 16:38:47 | |
| 0001564590-20-052011.txt | 2020-11-06 16:38:47 | |
 0001564590-20-052011-xbrl.zip | 238508 | 2020-11-06 16:38:47 |
| FilingSummary.xml | 43734 | 2020-11-06 16:38:47 |
| Financial_Report.xlsx | 96201 | 2020-11-06 16:38:47 |
| MetaLinks.json | 751230 | 2020-11-06 16:38:47 |
| pk-10q_20200930.htm | 3658828 | 2020-11-06 16:38:47 |
| pk-10q_20200930_htm.xml | 2178994 | 2020-11-06 16:38:47 |
| pk-20200930.xsd | 74896 | 2020-11-06 16:38:47 |
| pk-20200930_cal.xml | 74648 | 2020-11-06 16:38:47 |
| pk-20200930_def.xml | 308359 | 2020-11-06 16:38:47 |
| pk-20200930_lab.xml | 532544 | 2020-11-06 16:38:47 |
| pk-20200930_pre.xml | 445214 | 2020-11-06 16:38:47 |
| pk-ex311_8.htm | 18149 | 2020-11-06 16:38:47 |
| pk-ex312_6.htm | 18176 | 2020-11-06 16:38:47 |
| pk-ex321_9.htm | 10900 | 2020-11-06 16:38:47 |
| pk-ex322_7.htm | 10176 | 2020-11-06 16:38:47 |
| R1.htm | 53829 | 2020-11-06 16:38:47 |
| R10.htm | 13589 | 2020-11-06 16:38:47 |
| R11.htm | 136219 | 2020-11-06 16:38:47 |
| R12.htm | 40952 | 2020-11-06 16:38:47 |
| R13.htm | 65839 | 2020-11-06 16:38:47 |
| R14.htm | 28123 | 2020-11-06 16:38:47 |
| R15.htm | 122648 | 2020-11-06 16:38:47 |
| R16.htm | 118244 | 2020-11-06 16:38:47 |
| R17.htm | 15639 | 2020-11-06 16:38:47 |
| R18.htm | 63357 | 2020-11-06 16:38:47 |
| R19.htm | 93365 | 2020-11-06 16:38:47 |
| R2.htm | 91784 | 2020-11-06 16:38:47 |
| R20.htm | 185605 | 2020-11-06 16:38:47 |
| R21.htm | 7136 | 2020-11-06 16:38:47 |
| R22.htm | 19686 | 2020-11-06 16:38:47 |
| R23.htm | 130773 | 2020-11-06 16:38:47 |
| R24.htm | 36409 | 2020-11-06 16:38:47 |
| R25.htm | 69695 | 2020-11-06 16:38:47 |
| R26.htm | 27250 | 2020-11-06 16:38:47 |
| R27.htm | 109715 | 2020-11-06 16:38:47 |
| R28.htm | 117388 | 2020-11-06 16:38:47 |
| R29.htm | 62314 | 2020-11-06 16:38:47 |
| R3.htm | 22883 | 2020-11-06 16:38:47 |
| R30.htm | 92191 | 2020-11-06 16:38:47 |
| R31.htm | 175210 | 2020-11-06 16:38:47 |
| R32.htm | 61343 | 2020-11-06 16:38:47 |
| R33.htm | 48274 | 2020-11-06 16:38:47 |
| R34.htm | 50462 | 2020-11-06 16:38:47 |
| R35.htm | 32267 | 2020-11-06 16:38:47 |
| R36.htm | 10078 | 2020-11-06 16:38:47 |
| R37.htm | 17841 | 2020-11-06 16:38:47 |
| R38.htm | 19382 | 2020-11-06 16:38:47 |
| R39.htm | 5261 | 2020-11-06 16:38:47 |
| R4.htm | 130249 | 2020-11-06 16:38:47 |
| R40.htm | 22221 | 2020-11-06 16:38:47 |
| R41.htm | 5938 | 2020-11-06 16:38:47 |
| R42.htm | 31029 | 2020-11-06 16:38:47 |
| R43.htm | 15265 | 2020-11-06 16:38:47 |
| R44.htm | 5470 | 2020-11-06 16:38:47 |
| R45.htm | 15050 | 2020-11-06 16:38:47 |
| R46.htm | 68865 | 2020-11-06 16:38:47 |
| R47.htm | 46016 | 2020-11-06 16:38:47 |
| R48.htm | 133485 | 2020-11-06 16:38:47 |
| R49.htm | 19693 | 2020-11-06 16:38:47 |
| R5.htm | 7733 | 2020-11-06 16:38:47 |
| R50.htm | 34482 | 2020-11-06 16:38:47 |
| R51.htm | 19287 | 2020-11-06 16:38:47 |
| R52.htm | 18288 | 2020-11-06 16:38:47 |
| R53.htm | 21225 | 2020-11-06 16:38:47 |
| R54.htm | 49085 | 2020-11-06 16:38:47 |
| R55.htm | 22945 | 2020-11-06 16:38:47 |
| R56.htm | 22951 | 2020-11-06 16:38:47 |
| R57.htm | 17901 | 2020-11-06 16:38:47 |
| R58.htm | 4725 | 2020-11-06 16:38:47 |
| R59.htm | 38070 | 2020-11-06 16:38:47 |
| R6.htm | 93470 | 2020-11-06 16:38:47 |
| R60.htm | 6844 | 2020-11-06 16:38:47 |
| R61.htm | 61760 | 2020-11-06 16:38:47 |
| R62.htm | 11572 | 2020-11-06 16:38:47 |
| R63.htm | 10112 | 2020-11-06 16:38:47 |
| R7.htm | 82787 | 2020-11-06 16:38:47 |
| R8.htm | 4752 | 2020-11-06 16:38:47 |
| R9.htm | 12235 | 2020-11-06 16:38:47 |
| report.css | 2767 | 2020-11-06 16:38:47 |
| Show.js | 1085 | 2020-11-06 16:38:47 |