Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-21-067705-index-headers.html | 2021-03-03 16:44:40 | |
| 0001193125-21-067705-index.html | 2021-03-03 16:44:40 | |
| 0001193125-21-067705.txt | 2021-03-03 16:44:40 | |
 0001193125-21-067705-xbrl.zip | 19527 | 2021-03-03 16:44:40 |
| d110246d8k.htm | 51288 | 2021-03-03 16:44:40 |
| d110246d8k_htm.xml | 5299 | 2021-03-03 16:44:40 |
| d110246dex991.htm | 9908 | 2021-03-03 16:44:40 |
| FilingSummary.xml | 1895 | 2021-03-03 16:44:40 |
| Financial_Report.xlsx | 5590 | 2021-03-03 16:44:40 |
 g110246g0303211350378.jpg | 3815 | 2021-03-03 16:44:40 |
 g110246g04p30.jpg | 4425 | 2021-03-03 16:44:40 |
| MetaLinks.json | 22062 | 2021-03-03 16:44:40 |
| nav-20210302.xsd | 4117 | 2021-03-03 16:44:40 |
| nav-20210302_def.xml | 13411 | 2021-03-03 16:44:40 |
| nav-20210302_lab.xml | 22066 | 2021-03-03 16:44:40 |
| nav-20210302_pre.xml | 14314 | 2021-03-03 16:44:40 |
| R1.htm | 42642 | 2021-03-03 16:44:40 |
| report.css | 2767 | 2021-03-03 16:44:40 |
| Show.js | 1085 | 2021-03-03 16:44:40 |