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|---|---|---|
 0001193125-21-246063-index-headers.html | 2021-08-13 16:11:13 | |
| 0001193125-21-246063-index.html | 2021-08-13 16:11:13 | |
| 0001193125-21-246063.txt | 2021-08-13 16:11:13 | |
 0001193125-21-246063-xbrl.zip | 66297 | 2021-08-13 16:11:13 |
| d34384d8k.htm | 29545 | 2021-08-13 16:11:13 |
| d34384d8k_htm.xml | 3375 | 2021-08-13 16:11:13 |
| d34384dex11.htm | 174484 | 2021-08-13 16:11:13 |
| d34384dex41.htm | 131577 | 2021-08-13 16:11:13 |
| d34384dex51.htm | 19769 | 2021-08-13 16:11:13 |
| FilingSummary.xml | 1780 | 2021-08-13 16:11:13 |
| Financial_Report.xlsx | 5680 | 2021-08-13 16:11:13 |
 g34384ex51a.jpg | 13296 | 2021-08-13 16:11:13 |
 g34384ex51b.jpg | 8279 | 2021-08-13 16:11:13 |
| MetaLinks.json | 18816 | 2021-08-13 16:11:13 |
| R1.htm | 40143 | 2021-08-13 16:11:13 |
| report.css | 2767 | 2021-08-13 16:11:13 |
| Show.js | 1085 | 2021-08-13 16:11:13 |
| y-20210810.xsd | 2885 | 2021-08-13 16:11:13 |
| y-20210810_lab.xml | 18138 | 2021-08-13 16:11:13 |
| y-20210810_pre.xml | 11406 | 2021-08-13 16:11:13 |