Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001574596-19-000017-index-headers.html | 2019-02-15 17:16:21 | |
| 0001574596-19-000017-index.html | 2019-02-15 17:16:21 | |
| 0001574596-19-000017.txt | 2019-02-15 17:16:21 | |
 0001574596-19-000017-xbrl.zip | 406955 | 2019-02-15 17:16:21 |
| exhibit211123118.htm | 33492 | 2019-02-15 17:16:21 |
| exhibit231123118.htm | 4194 | 2019-02-15 17:16:21 |
| exhibit311123118.htm | 19369 | 2019-02-15 17:16:21 |
| exhibit312123118.htm | 20298 | 2019-02-15 17:16:21 |
| exhibit321123118.htm | 9575 | 2019-02-15 17:16:21 |
| exhibit322123118.htm | 9575 | 2019-02-15 17:16:21 |
| FilingSummary.xml | 52785 | 2019-02-15 17:16:21 |
| Financial_Report.xlsx | 143548 | 2019-02-15 17:16:21 |
| nwhm-20181231.xml | 4360322 | 2019-02-15 17:16:21 |
| nwhm-20181231.xsd | 91797 | 2019-02-15 17:16:21 |
| nwhm-20181231_cal.xml | 114496 | 2019-02-15 17:16:21 |
| nwhm-20181231_def.xml | 462748 | 2019-02-15 17:16:21 |
| nwhm-20181231_lab.xml | 1067774 | 2019-02-15 17:16:21 |
| nwhm-20181231_pre.xml | 695631 | 2019-02-15 17:16:21 |
| nwhm10-k_q4x18.htm | 3634429 | 2019-02-15 17:16:21 |
 nwhmlogoa65.jpg | 21461 | 2019-02-15 17:16:21 |
| R1.htm | 28257 | 2019-02-15 17:16:21 |
| R10.htm | 34715 | 2019-02-15 17:16:21 |
| R11.htm | 50341 | 2019-02-15 17:16:21 |
| R12.htm | 71163 | 2019-02-15 17:16:21 |
| R13.htm | 107116 | 2019-02-15 17:16:21 |
| R14.htm | 25605 | 2019-02-15 17:16:21 |
| R15.htm | 65541 | 2019-02-15 17:16:21 |
| R16.htm | 32547 | 2019-02-15 17:16:21 |
| R17.htm | 30793 | 2019-02-15 17:16:21 |
| R18.htm | 21847 | 2019-02-15 17:16:21 |
| R19.htm | 47155 | 2019-02-15 17:16:21 |
| R2.htm | 60617 | 2019-02-15 17:16:21 |
| R20.htm | 131834 | 2019-02-15 17:16:21 |
| R21.htm | 78936 | 2019-02-15 17:16:21 |
| R22.htm | 43188 | 2019-02-15 17:16:21 |
| R23.htm | 122352 | 2019-02-15 17:16:21 |
| R24.htm | 26601 | 2019-02-15 17:16:21 |
| R25.htm | 767948 | 2019-02-15 17:16:21 |
| R26.htm | 135900 | 2019-02-15 17:16:21 |
| R27.htm | 17097 | 2019-02-15 17:16:21 |
| R28.htm | 37998 | 2019-02-15 17:16:21 |
| R29.htm | 30817 | 2019-02-15 17:16:21 |
| R3.htm | 17000 | 2019-02-15 17:16:21 |
| R30.htm | 44892 | 2019-02-15 17:16:21 |
| R31.htm | 69172 | 2019-02-15 17:16:21 |
| R32.htm | 94158 | 2019-02-15 17:16:21 |
| R33.htm | 25482 | 2019-02-15 17:16:21 |
| R34.htm | 64512 | 2019-02-15 17:16:21 |
| R35.htm | 20895 | 2019-02-15 17:16:21 |
| R36.htm | 21121 | 2019-02-15 17:16:21 |
| R37.htm | 11603 | 2019-02-15 17:16:21 |
| R38.htm | 131256 | 2019-02-15 17:16:21 |
| R39.htm | 81143 | 2019-02-15 17:16:21 |
| R4.htm | 86232 | 2019-02-15 17:16:21 |
| R40.htm | 40993 | 2019-02-15 17:16:21 |
| R41.htm | 121593 | 2019-02-15 17:16:21 |
| R42.htm | 26602 | 2019-02-15 17:16:21 |
| R43.htm | 765770 | 2019-02-15 17:16:21 |
| R44.htm | 83381 | 2019-02-15 17:16:21 |
| R45.htm | 27028 | 2019-02-15 17:16:21 |
| R46.htm | 24272 | 2019-02-15 17:16:21 |
| R47.htm | 30093 | 2019-02-15 17:16:21 |
| R48.htm | 26178 | 2019-02-15 17:16:21 |
| R49.htm | 13043 | 2019-02-15 17:16:21 |
| R5.htm | 4613 | 2019-02-15 17:16:21 |
| R50.htm | 16200 | 2019-02-15 17:16:21 |
| R51.htm | 10148 | 2019-02-15 17:16:21 |
| R52.htm | 42270 | 2019-02-15 17:16:21 |
| R53.htm | 55082 | 2019-02-15 17:16:21 |
| R54.htm | 35355 | 2019-02-15 17:16:21 |
| R55.htm | 29624 | 2019-02-15 17:16:21 |
| R56.htm | 12954 | 2019-02-15 17:16:21 |
| R57.htm | 25069 | 2019-02-15 17:16:21 |
| R58.htm | 21343 | 2019-02-15 17:16:21 |
| R59.htm | 20439 | 2019-02-15 17:16:21 |
| R6.htm | 53362 | 2019-02-15 17:16:21 |
| R60.htm | 17471 | 2019-02-15 17:16:21 |
| R61.htm | 10060 | 2019-02-15 17:16:21 |
| R62.htm | 71764 | 2019-02-15 17:16:21 |
| R63.htm | 16645 | 2019-02-15 17:16:21 |
| R64.htm | 31256 | 2019-02-15 17:16:21 |
| R65.htm | 9547 | 2019-02-15 17:16:21 |
| R66.htm | 19147 | 2019-02-15 17:16:21 |
| R67.htm | 26774 | 2019-02-15 17:16:21 |
| R68.htm | 226339 | 2019-02-15 17:16:21 |
| R69.htm | 32701 | 2019-02-15 17:16:21 |
| R7.htm | 101432 | 2019-02-15 17:16:21 |
| R70.htm | 27970 | 2019-02-15 17:16:21 |
| R71.htm | 26439 | 2019-02-15 17:16:21 |
| R72.htm | 10350 | 2019-02-15 17:16:21 |
| R73.htm | 19683 | 2019-02-15 17:16:21 |
| R74.htm | 23937 | 2019-02-15 17:16:21 |
| R75.htm | 36507 | 2019-02-15 17:16:21 |
| R76.htm | 23300 | 2019-02-15 17:16:21 |
| R77.htm | 23007 | 2019-02-15 17:16:21 |
| R78.htm | 28844 | 2019-02-15 17:16:21 |
| R79.htm | 51691 | 2019-02-15 17:16:21 |
| R8.htm | 106392 | 2019-02-15 17:16:21 |
| R80.htm | 14292 | 2019-02-15 17:16:21 |
| R81.htm | 95169 | 2019-02-15 17:16:21 |
| R82.htm | 132372 | 2019-02-15 17:16:21 |
| R83.htm | 111958 | 2019-02-15 17:16:21 |
| R84.htm | 4406 | 2019-02-15 17:16:21 |
| R9.htm | 37945 | 2019-02-15 17:16:21 |
| report.css | 2768 | 2019-02-15 17:16:21 |
| Show.js | 1086 | 2019-02-15 17:16:21 |