Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000071829-23-000017-index-headers.html | 2023-02-24 13:45:55 | |
| 0000071829-23-000017-index.html | 2023-02-24 13:45:55 | |
| 0000071829-23-000017.txt | 2023-02-24 13:45:55 | |
 0000071829-23-000017-xbrl.zip | 606865 | 2023-02-24 13:45:55 |
| a2022q410kexhibit211.htm | 32027 | 2023-02-24 13:45:55 |
| a2022q410kexhibit231.htm | 2514 | 2023-02-24 13:45:55 |
| a2022q410kexhibit311.htm | 10146 | 2023-02-24 13:45:55 |
| a2022q410kexhibit312.htm | 10433 | 2023-02-24 13:45:55 |
| a2022q410kexhibit321.htm | 4799 | 2023-02-24 13:45:55 |
| a2022q410kexhibit322.htm | 4756 | 2023-02-24 13:45:55 |
| a2022q410kexhibit951.htm | 36810 | 2023-02-24 13:45:55 |
| FilingSummary.xml | 53524 | 2023-02-24 13:45:55 |
| Financial_Report.xlsx | 144101 | 2023-02-24 13:45:55 |
| MetaLinks.json | 1027359 | 2023-02-24 13:45:55 |
| nr-20221231.htm | 2565483 | 2023-02-24 13:45:55 |
| nr-20221231.xsd | 65283 | 2023-02-24 13:45:55 |
| nr-20221231_cal.xml | 150436 | 2023-02-24 13:45:55 |
| nr-20221231_def.xml | 381992 | 2023-02-24 13:45:55 |
 nr-20221231_g1.jpg | 11318 | 2023-02-24 13:45:55 |
 nr-20221231_g2.jpg | 38283 | 2023-02-24 13:45:55 |
 nr-20221231_g3.jpg | 129926 | 2023-02-24 13:45:55 |
 nr-20221231_g4.jpg | 25424 | 2023-02-24 13:45:55 |
 nr-20221231_g5.jpg | 28824 | 2023-02-24 13:45:55 |
| nr-20221231_htm.xml | 2236927 | 2023-02-24 13:45:55 |
| nr-20221231_lab.xml | 911950 | 2023-02-24 13:45:55 |
| nr-20221231_pre.xml | 645652 | 2023-02-24 13:45:55 |
| R1.htm | 64082 | 2023-02-24 13:45:55 |
| R10.htm | 46329 | 2023-02-24 13:45:55 |
| R11.htm | 40521 | 2023-02-24 13:45:55 |
| R12.htm | 16169 | 2023-02-24 13:45:55 |
| R13.htm | 22802 | 2023-02-24 13:45:55 |
| R14.htm | 57333 | 2023-02-24 13:45:55 |
| R15.htm | 47393 | 2023-02-24 13:45:55 |
| R16.htm | 32197 | 2023-02-24 13:45:55 |
| R17.htm | 92130 | 2023-02-24 13:45:55 |
| R18.htm | 107745 | 2023-02-24 13:45:55 |
| R19.htm | 23454 | 2023-02-24 13:45:55 |
| R2.htm | 7795 | 2023-02-24 13:45:55 |
| R20.htm | 26473 | 2023-02-24 13:45:55 |
| R21.htm | 48665 | 2023-02-24 13:45:55 |
| R22.htm | 138422 | 2023-02-24 13:45:55 |
| R23.htm | 20753 | 2023-02-24 13:45:55 |
| R24.htm | 8834 | 2023-02-24 13:45:55 |
| R25.htm | 86847 | 2023-02-24 13:45:55 |
| R26.htm | 20942 | 2023-02-24 13:45:55 |
| R27.htm | 38131 | 2023-02-24 13:45:55 |
| R28.htm | 15460 | 2023-02-24 13:45:55 |
| R29.htm | 21685 | 2023-02-24 13:45:55 |
| R3.htm | 102544 | 2023-02-24 13:45:55 |
| R30.htm | 62746 | 2023-02-24 13:45:55 |
| R31.htm | 31224 | 2023-02-24 13:45:55 |
| R32.htm | 27672 | 2023-02-24 13:45:55 |
| R33.htm | 66474 | 2023-02-24 13:45:55 |
| R34.htm | 107487 | 2023-02-24 13:45:55 |
| R35.htm | 13834 | 2023-02-24 13:45:55 |
| R36.htm | 27644 | 2023-02-24 13:45:55 |
| R37.htm | 38974 | 2023-02-24 13:45:55 |
| R38.htm | 139127 | 2023-02-24 13:45:55 |
| R39.htm | 21996 | 2023-02-24 13:45:55 |
| R4.htm | 12867 | 2023-02-24 13:45:55 |
| R40.htm | 18492 | 2023-02-24 13:45:55 |
| R41.htm | 25654 | 2023-02-24 13:45:55 |
| R42.htm | 17742 | 2023-02-24 13:45:55 |
| R43.htm | 63485 | 2023-02-24 13:45:55 |
| R44.htm | 16877 | 2023-02-24 13:45:55 |
| R45.htm | 15944 | 2023-02-24 13:45:55 |
| R46.htm | 20832 | 2023-02-24 13:45:55 |
| R47.htm | 17311 | 2023-02-24 13:45:55 |
| R48.htm | 12249 | 2023-02-24 13:45:55 |
| R49.htm | 28489 | 2023-02-24 13:45:55 |
| R5.htm | 68106 | 2023-02-24 13:45:55 |
| R50.htm | 7133 | 2023-02-24 13:45:55 |
| R51.htm | 13334 | 2023-02-24 13:45:55 |
| R52.htm | 18069 | 2023-02-24 13:45:55 |
| R53.htm | 24879 | 2023-02-24 13:45:55 |
| R54.htm | 27256 | 2023-02-24 13:45:55 |
| R55.htm | 34614 | 2023-02-24 13:45:55 |
| R56.htm | 125125 | 2023-02-24 13:45:55 |
| R57.htm | 23949 | 2023-02-24 13:45:55 |
| R58.htm | 16769 | 2023-02-24 13:45:55 |
| R59.htm | 12516 | 2023-02-24 13:45:55 |
| R6.htm | 25060 | 2023-02-24 13:45:55 |
| R60.htm | 21111 | 2023-02-24 13:45:55 |
| R61.htm | 25280 | 2023-02-24 13:45:55 |
| R62.htm | 55783 | 2023-02-24 13:45:55 |
| R63.htm | 12163 | 2023-02-24 13:45:55 |
| R64.htm | 30400 | 2023-02-24 13:45:55 |
| R65.htm | 12352 | 2023-02-24 13:45:55 |
| R66.htm | 35089 | 2023-02-24 13:45:55 |
| R67.htm | 39622 | 2023-02-24 13:45:55 |
| R68.htm | 48660 | 2023-02-24 13:45:55 |
| R69.htm | 14058 | 2023-02-24 13:45:55 |
| R7.htm | 5628 | 2023-02-24 13:45:55 |
| R70.htm | 14336 | 2023-02-24 13:45:55 |
| R71.htm | 36607 | 2023-02-24 13:45:55 |
| R72.htm | 39433 | 2023-02-24 13:45:55 |
| R73.htm | 4948 | 2023-02-24 13:45:55 |
| R74.htm | 103026 | 2023-02-24 13:45:55 |
| R75.htm | 53080 | 2023-02-24 13:45:55 |
| R76.htm | 31285 | 2023-02-24 13:45:55 |
| R77.htm | 15318 | 2023-02-24 13:45:55 |
| R78.htm | 53256 | 2023-02-24 13:45:55 |
| R79.htm | 28559 | 2023-02-24 13:45:55 |
| R8.htm | 45955 | 2023-02-24 13:45:55 |
| R80.htm | 26866 | 2023-02-24 13:45:55 |
| R81.htm | 17732 | 2023-02-24 13:45:55 |
| R82.htm | 22586 | 2023-02-24 13:45:55 |
| R83.htm | 7367 | 2023-02-24 13:45:55 |
| R84.htm | 11852 | 2023-02-24 13:45:55 |
| R85.htm | 7345 | 2023-02-24 13:45:55 |
| R86.htm | 22234 | 2023-02-24 13:45:55 |
| R9.htm | 98944 | 2023-02-24 13:45:55 |
| report.css | 2768 | 2023-02-24 13:45:55 |
| Show.js | 1086 | 2023-02-24 13:45:55 |