Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001564590-21-040851-index-headers.html | 2021-08-04 16:25:56 | |
| 0001564590-21-040851-index.html | 2021-08-04 16:25:56 | |
| 0001564590-21-040851.txt | 2021-08-04 16:25:56 | |
 0001564590-21-040851-xbrl.zip | 174997 | 2021-08-04 16:25:56 |
| FilingSummary.xml | 38796 | 2021-08-04 16:25:56 |
| Financial_Report.xlsx | 73437 | 2021-08-04 16:25:56 |
| MetaLinks.json | 578741 | 2021-08-04 16:25:56 |
| nl-10q_20210630.htm | 3286544 | 2021-08-04 16:25:56 |
| nl-10q_20210630_htm.xml | 1560526 | 2021-08-04 16:25:56 |
| nl-20210630.xsd | 48073 | 2021-08-04 16:25:56 |
| nl-20210630_cal.xml | 74173 | 2021-08-04 16:25:56 |
| nl-20210630_def.xml | 126198 | 2021-08-04 16:25:56 |
| nl-20210630_lab.xml | 342934 | 2021-08-04 16:25:56 |
| nl-20210630_pre.xml | 281409 | 2021-08-04 16:25:56 |
| nl-ex311_148.htm | 15603 | 2021-08-04 16:25:56 |
| nl-ex312_35.htm | 15451 | 2021-08-04 16:25:56 |
| nl-ex321_149.htm | 7155 | 2021-08-04 16:25:56 |
| R1.htm | 52211 | 2021-08-04 16:25:56 |
| R10.htm | 23711 | 2021-08-04 16:25:56 |
| R11.htm | 42985 | 2021-08-04 16:25:56 |
| R12.htm | 108235 | 2021-08-04 16:25:56 |
| R13.htm | 20437 | 2021-08-04 16:25:56 |
| R14.htm | 22085 | 2021-08-04 16:25:56 |
| R15.htm | 5148 | 2021-08-04 16:25:56 |
| R16.htm | 26740 | 2021-08-04 16:25:56 |
| R17.htm | 45205 | 2021-08-04 16:25:56 |
| R18.htm | 46275 | 2021-08-04 16:25:56 |
| R19.htm | 99718 | 2021-08-04 16:25:56 |
| R2.htm | 144414 | 2021-08-04 16:25:56 |
| R20.htm | 148900 | 2021-08-04 16:25:56 |
| R21.htm | 64042 | 2021-08-04 16:25:56 |
| R22.htm | 25717 | 2021-08-04 16:25:56 |
| R23.htm | 10627 | 2021-08-04 16:25:56 |
| R24.htm | 26905 | 2021-08-04 16:25:56 |
| R25.htm | 24529 | 2021-08-04 16:25:56 |
| R26.htm | 39962 | 2021-08-04 16:25:56 |
| R27.htm | 110873 | 2021-08-04 16:25:56 |
| R28.htm | 20238 | 2021-08-04 16:25:56 |
| R29.htm | 21633 | 2021-08-04 16:25:56 |
| R3.htm | 74529 | 2021-08-04 16:25:56 |
| R30.htm | 26390 | 2021-08-04 16:25:56 |
| R31.htm | 42239 | 2021-08-04 16:25:56 |
| R32.htm | 42037 | 2021-08-04 16:25:56 |
| R33.htm | 94421 | 2021-08-04 16:25:56 |
| R34.htm | 147421 | 2021-08-04 16:25:56 |
| R35.htm | 24953 | 2021-08-04 16:25:56 |
| R36.htm | 24910 | 2021-08-04 16:25:56 |
| R37.htm | 11878 | 2021-08-04 16:25:56 |
| R38.htm | 14371 | 2021-08-04 16:25:56 |
| R39.htm | 11840 | 2021-08-04 16:25:56 |
| R4.htm | 36405 | 2021-08-04 16:25:56 |
| R40.htm | 12132 | 2021-08-04 16:25:56 |
| R41.htm | 8461 | 2021-08-04 16:25:56 |
| R42.htm | 9732 | 2021-08-04 16:25:56 |
| R43.htm | 24193 | 2021-08-04 16:25:56 |
| R44.htm | 42262 | 2021-08-04 16:25:56 |
| R45.htm | 30320 | 2021-08-04 16:25:56 |
| R46.htm | 10434 | 2021-08-04 16:25:56 |
| R47.htm | 9906 | 2021-08-04 16:25:56 |
| R48.htm | 23201 | 2021-08-04 16:25:56 |
| R49.htm | 13953 | 2021-08-04 16:25:56 |
| R5.htm | 46245 | 2021-08-04 16:25:56 |
| R50.htm | 12881 | 2021-08-04 16:25:56 |
| R51.htm | 16799 | 2021-08-04 16:25:56 |
| R52.htm | 6326 | 2021-08-04 16:25:56 |
| R53.htm | 13166 | 2021-08-04 16:25:56 |
| R54.htm | 21030 | 2021-08-04 16:25:56 |
| R55.htm | 13882 | 2021-08-04 16:25:56 |
| R56.htm | 24640 | 2021-08-04 16:25:56 |
| R57.htm | 12539 | 2021-08-04 16:25:56 |
| R58.htm | 30828 | 2021-08-04 16:25:56 |
| R59.htm | 17710 | 2021-08-04 16:25:56 |
| R6.htm | 4763 | 2021-08-04 16:25:56 |
| R60.htm | 11141 | 2021-08-04 16:25:56 |
| R7.htm | 85610 | 2021-08-04 16:25:56 |
| R8.htm | 9775 | 2021-08-04 16:25:56 |
| R9.htm | 27275 | 2021-08-04 16:25:56 |
| report.css | 2767 | 2021-08-04 16:25:56 |
| Show.js | 1085 | 2021-08-04 16:25:56 |