Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-22-135642-index-headers.html | 2022-05-02 09:31:07 | |
| 0001193125-22-135642-index.html | 2022-05-02 09:31:07 | |
| 0001193125-22-135642.txt | 2022-05-02 09:31:07 | |
 0001193125-22-135642-xbrl.zip | 74365 | 2022-05-02 09:31:07 |
| d282366d10ka.htm | 632203 | 2022-05-02 09:31:07 |
| d282366d10ka_htm.xml | 7087 | 2022-05-02 09:31:07 |
| d282366dex311.htm | 2856 | 2022-05-02 09:31:07 |
| d282366dex312.htm | 2784 | 2022-05-02 09:31:07 |
| do-20211231.xsd | 4688 | 2022-05-02 09:31:07 |
| do-20211231_cal.xml | 683 | 2022-05-02 09:31:07 |
| do-20211231_def.xml | 1688 | 2022-05-02 09:31:07 |
| do-20211231_lab.xml | 20441 | 2022-05-02 09:31:07 |
| do-20211231_pre.xml | 16259 | 2022-05-02 09:31:07 |
| FilingSummary.xml | 1762 | 2022-05-02 09:31:07 |
| Financial_Report.xlsx | 7048 | 2022-05-02 09:31:07 |
| MetaLinks.json | 24924 | 2022-05-02 09:31:07 |
| R1.htm | 67287 | 2022-05-02 09:31:07 |
| report.css | 2767 | 2022-05-02 09:31:07 |
| Show.js | 1085 | 2022-05-02 09:31:07 |