Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000906163-20-000075-index-headers.html | 2020-08-03 16:12:06 | |
| 0000906163-20-000075-index.html | 2020-08-03 16:12:06 | |
| 0000906163-20-000075.txt | 2020-08-03 16:12:06 | |
 0000906163-20-000075-xbrl.zip | 257027 | 2020-08-03 16:12:06 |
| exhibit101.htm | 56433 | 2020-08-03 16:12:06 |
| exhibit311.htm | 12497 | 2020-08-03 16:12:06 |
| exhibit312.htm | 12526 | 2020-08-03 16:12:06 |
| exhibit321.htm | 9818 | 2020-08-03 16:12:06 |
| FilingSummary.xml | 30699 | 2020-08-03 16:12:06 |
| Financial_Report.xlsx | 79132 | 2020-08-03 16:12:06 |
 image01.jpg | 149769 | 2020-08-03 16:12:06 |
| MetaLinks.json | 494951 | 2020-08-03 16:12:06 |
| nvr-20200630.htm | 2299408 | 2020-08-03 16:12:06 |
| nvr-20200630.xsd | 43907 | 2020-08-03 16:12:06 |
| nvr-20200630_cal.xml | 71300 | 2020-08-03 16:12:06 |
| nvr-20200630_def.xml | 244059 | 2020-08-03 16:12:06 |
| nvr-20200630_htm.xml | 2105204 | 2020-08-03 16:12:06 |
| nvr-20200630_lab.xml | 453944 | 2020-08-03 16:12:06 |
| nvr-20200630_pre.xml | 354679 | 2020-08-03 16:12:06 |
| R1.htm | 53787 | 2020-08-03 16:12:06 |
| R10.htm | 4673 | 2020-08-03 16:12:06 |
| R11.htm | 30118 | 2020-08-03 16:12:06 |
| R12.htm | 30790 | 2020-08-03 16:12:06 |
| R13.htm | 258321 | 2020-08-03 16:12:06 |
| R14.htm | 26524 | 2020-08-03 16:12:06 |
| R15.htm | 162118 | 2020-08-03 16:12:06 |
| R16.htm | 79890 | 2020-08-03 16:12:06 |
| R17.htm | 10099 | 2020-08-03 16:12:06 |
| R18.htm | 208306 | 2020-08-03 16:12:06 |
| R19.htm | 7063 | 2020-08-03 16:12:06 |
| R2.htm | 95674 | 2020-08-03 16:12:06 |
| R20.htm | 15195 | 2020-08-03 16:12:06 |
| R21.htm | 20763 | 2020-08-03 16:12:06 |
| R22.htm | 29172 | 2020-08-03 16:12:06 |
| R23.htm | 32649 | 2020-08-03 16:12:06 |
| R24.htm | 513180 | 2020-08-03 16:12:06 |
| R25.htm | 26102 | 2020-08-03 16:12:06 |
| R26.htm | 154443 | 2020-08-03 16:12:06 |
| R27.htm | 73806 | 2020-08-03 16:12:06 |
| R28.htm | 105289 | 2020-08-03 16:12:06 |
| R29.htm | 17084 | 2020-08-03 16:12:06 |
| R3.htm | 12831 | 2020-08-03 16:12:06 |
| R30.htm | 24728 | 2020-08-03 16:12:06 |
| R31.htm | 11652 | 2020-08-03 16:12:06 |
| R32.htm | 32327 | 2020-08-03 16:12:06 |
| R33.htm | 11182 | 2020-08-03 16:12:06 |
| R34.htm | 12999 | 2020-08-03 16:12:06 |
| R35.htm | 12537 | 2020-08-03 16:12:06 |
| R36.htm | 5151 | 2020-08-03 16:12:06 |
| R37.htm | 50716 | 2020-08-03 16:12:06 |
| R38.htm | 7194 | 2020-08-03 16:12:06 |
| R39.htm | 10385 | 2020-08-03 16:12:06 |
| R4.htm | 61812 | 2020-08-03 16:12:06 |
| R40.htm | 11438 | 2020-08-03 16:12:06 |
| R41.htm | 22417 | 2020-08-03 16:12:06 |
| R42.htm | 46749 | 2020-08-03 16:12:06 |
| R43.htm | 16320 | 2020-08-03 16:12:06 |
| R44.htm | 38759 | 2020-08-03 16:12:06 |
| R45.htm | 41182 | 2020-08-03 16:12:06 |
| R46.htm | 21572 | 2020-08-03 16:12:06 |
| R47.htm | 59177 | 2020-08-03 16:12:06 |
| R48.htm | 117481 | 2020-08-03 16:12:06 |
| R49.htm | 6252 | 2020-08-03 16:12:06 |
| R5.htm | 84798 | 2020-08-03 16:12:06 |
| R50.htm | 14123 | 2020-08-03 16:12:06 |
| R51.htm | 29929 | 2020-08-03 16:12:06 |
| R52.htm | 10869 | 2020-08-03 16:12:06 |
| R6.htm | 5390 | 2020-08-03 16:12:06 |
| R7.htm | 13450 | 2020-08-03 16:12:06 |
| R8.htm | 26176 | 2020-08-03 16:12:06 |
| R9.htm | 8576 | 2020-08-03 16:12:06 |
| report.css | 2767 | 2020-08-03 16:12:06 |
| Show.js | 1085 | 2020-08-03 16:12:06 |