Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000805676-20-000129-index-headers.html | 2020-11-04 16:17:45 | |
| 0000805676-20-000129-index.html | 2020-11-04 16:17:45 | |
| 0000805676-20-000129.txt | 2020-11-04 16:17:45 | |
 0000805676-20-000129-xbrl.zip | 689398 | 2020-11-04 16:17:45 |
| FilingSummary.xml | 63551 | 2020-11-04 16:17:45 |
| Financial_Report.xlsx | 197873 | 2020-11-04 16:17:45 |
| MetaLinks.json | 1089476 | 2020-11-04 16:17:45 |
| prk-20200930.htm | 6257760 | 2020-11-04 16:17:45 |
| prk-20200930.xsd | 92564 | 2020-11-04 16:17:45 |
| prk-20200930_cal.xml | 143384 | 2020-11-04 16:17:45 |
| prk-20200930_def.xml | 794771 | 2020-11-04 16:17:45 |
| prk-20200930_htm.xml | 6920022 | 2020-11-04 16:17:45 |
| prk-20200930_lab.xml | 1111158 | 2020-11-04 16:17:45 |
| prk-20200930_pre.xml | 928047 | 2020-11-04 16:17:45 |
| prk-ex311x20200930x10q.htm | 11065 | 2020-11-04 16:17:45 |
| prk-ex312x20200930x10q.htm | 11050 | 2020-11-04 16:17:45 |
| prk-ex321x20200930x10q.htm | 7024 | 2020-11-04 16:17:45 |
| prk-ex322x20200930x10q.htm | 7018 | 2020-11-04 16:17:45 |
| R1.htm | 54066 | 2020-11-04 16:17:45 |
| R10.htm | 64563 | 2020-11-04 16:17:45 |
| R100.htm | 16765 | 2020-11-04 16:17:45 |
| R11.htm | 8305 | 2020-11-04 16:17:45 |
| R12.htm | 30557 | 2020-11-04 16:17:45 |
| R13.htm | 44662 | 2020-11-04 16:17:45 |
| R14.htm | 86185 | 2020-11-04 16:17:45 |
| R15.htm | 17898 | 2020-11-04 16:17:45 |
| R16.htm | 641553 | 2020-11-04 16:17:45 |
| R17.htm | 348982 | 2020-11-04 16:17:45 |
| R18.htm | 4992 | 2020-11-04 16:17:45 |
| R19.htm | 60017 | 2020-11-04 16:17:45 |
| R2.htm | 125097 | 2020-11-04 16:17:45 |
| R20.htm | 9913 | 2020-11-04 16:17:45 |
| R21.htm | 16117 | 2020-11-04 16:17:45 |
| R22.htm | 40206 | 2020-11-04 16:17:45 |
| R23.htm | 45305 | 2020-11-04 16:17:45 |
| R24.htm | 22435 | 2020-11-04 16:17:45 |
| R25.htm | 86349 | 2020-11-04 16:17:45 |
| R26.htm | 29375 | 2020-11-04 16:17:45 |
| R27.htm | 104759 | 2020-11-04 16:17:45 |
| R28.htm | 25545 | 2020-11-04 16:17:45 |
| R29.htm | 40911 | 2020-11-04 16:17:45 |
| R3.htm | 137407 | 2020-11-04 16:17:45 |
| R30.htm | 368786 | 2020-11-04 16:17:45 |
| R31.htm | 235145 | 2020-11-04 16:17:45 |
| R32.htm | 6617 | 2020-11-04 16:17:45 |
| R33.htm | 43411 | 2020-11-04 16:17:45 |
| R34.htm | 83610 | 2020-11-04 16:17:45 |
| R35.htm | 14497 | 2020-11-04 16:17:45 |
| R36.htm | 634284 | 2020-11-04 16:17:45 |
| R37.htm | 272180 | 2020-11-04 16:17:45 |
| R38.htm | 61715 | 2020-11-04 16:17:45 |
| R39.htm | 8406 | 2020-11-04 16:17:45 |
| R4.htm | 46864 | 2020-11-04 16:17:45 |
| R40.htm | 15403 | 2020-11-04 16:17:45 |
| R41.htm | 31698 | 2020-11-04 16:17:45 |
| R42.htm | 37113 | 2020-11-04 16:17:45 |
| R43.htm | 20861 | 2020-11-04 16:17:45 |
| R44.htm | 73914 | 2020-11-04 16:17:45 |
| R45.htm | 27280 | 2020-11-04 16:17:45 |
| R46.htm | 99500 | 2020-11-04 16:17:45 |
| R47.htm | 18194 | 2020-11-04 16:17:45 |
| R48.htm | 36442 | 2020-11-04 16:17:45 |
| R49.htm | 356507 | 2020-11-04 16:17:45 |
| R5.htm | 10524 | 2020-11-04 16:17:45 |
| R50.htm | 116046 | 2020-11-04 16:17:45 |
| R51.htm | 5328 | 2020-11-04 16:17:45 |
| R52.htm | 103256 | 2020-11-04 16:17:45 |
| R53.htm | 12191 | 2020-11-04 16:17:45 |
| R54.htm | 31825 | 2020-11-04 16:17:45 |
| R55.htm | 21641 | 2020-11-04 16:17:45 |
| R56.htm | 23371 | 2020-11-04 16:17:45 |
| R57.htm | 34668 | 2020-11-04 16:17:45 |
| R58.htm | 50225 | 2020-11-04 16:17:45 |
| R59.htm | 108597 | 2020-11-04 16:17:45 |
| R6.htm | 90300 | 2020-11-04 16:17:45 |
| R60.htm | 46863 | 2020-11-04 16:17:45 |
| R61.htm | 48117 | 2020-11-04 16:17:45 |
| R62.htm | 42713 | 2020-11-04 16:17:45 |
| R63.htm | 56520 | 2020-11-04 16:17:45 |
| R64.htm | 27361 | 2020-11-04 16:17:45 |
| R65.htm | 80155 | 2020-11-04 16:17:45 |
| R66.htm | 81675 | 2020-11-04 16:17:45 |
| R67.htm | 71460 | 2020-11-04 16:17:45 |
| R68.htm | 48058 | 2020-11-04 16:17:45 |
| R69.htm | 51508 | 2020-11-04 16:17:45 |
| R7.htm | 13270 | 2020-11-04 16:17:45 |
| R70.htm | 109294 | 2020-11-04 16:17:45 |
| R71.htm | 35705 | 2020-11-04 16:17:45 |
| R72.htm | 11840 | 2020-11-04 16:17:45 |
| R73.htm | 49660 | 2020-11-04 16:17:45 |
| R74.htm | 11252 | 2020-11-04 16:17:45 |
| R75.htm | 16334 | 2020-11-04 16:17:45 |
| R76.htm | 10516 | 2020-11-04 16:17:45 |
| R77.htm | 19683 | 2020-11-04 16:17:45 |
| R78.htm | 33574 | 2020-11-04 16:17:45 |
| R79.htm | 16047 | 2020-11-04 16:17:45 |
| R8.htm | 126537 | 2020-11-04 16:17:45 |
| R80.htm | 24398 | 2020-11-04 16:17:45 |
| R81.htm | 18075 | 2020-11-04 16:17:45 |
| R82.htm | 16661 | 2020-11-04 16:17:45 |
| R83.htm | 18494 | 2020-11-04 16:17:45 |
| R84.htm | 9835 | 2020-11-04 16:17:45 |
| R85.htm | 28757 | 2020-11-04 16:17:45 |
| R86.htm | 55160 | 2020-11-04 16:17:45 |
| R87.htm | 18804 | 2020-11-04 16:17:45 |
| R88.htm | 27626 | 2020-11-04 16:17:45 |
| R89.htm | 52242 | 2020-11-04 16:17:45 |
| R9.htm | 66438 | 2020-11-04 16:17:45 |
| R90.htm | 65673 | 2020-11-04 16:17:45 |
| R91.htm | 27794 | 2020-11-04 16:17:45 |
| R92.htm | 68872 | 2020-11-04 16:17:45 |
| R93.htm | 106186 | 2020-11-04 16:17:45 |
| R94.htm | 60739 | 2020-11-04 16:17:45 |
| R95.htm | 39546 | 2020-11-04 16:17:45 |
| R96.htm | 70514 | 2020-11-04 16:17:45 |
| R97.htm | 27931 | 2020-11-04 16:17:45 |
| R98.htm | 65381 | 2020-11-04 16:17:45 |
| R99.htm | 84746 | 2020-11-04 16:17:45 |
| report.css | 2768 | 2020-11-04 16:17:45 |
| Show.js | 1086 | 2020-11-04 16:17:45 |