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| 0001456772-22-000024-index.html | 2022-07-28 16:33:13 | |
| 0001456772-22-000024.txt | 2022-07-28 16:33:13 | |
 0001456772-22-000024-xbrl.zip | 238338 | 2022-07-28 16:33:13 |
| FilingSummary.xml | 19977 | 2022-07-28 16:33:13 |
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| opi-20220630.htm | 1734135 | 2022-07-28 16:33:13 |
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| R9.htm | 5371 | 2022-07-28 16:33:13 |
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