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| 0001077771-23-000003.txt | 2023-01-11 12:37:46 | |
 0001077771-23-000003-xbrl.zip | 12786 | 2023-01-11 12:37:46 |
| FilingSummary.xml | 1655 | 2023-01-11 12:37:46 |
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| R1.htm | 39586 | 2023-01-11 12:37:46 |
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| umpq-20230111.htm | 34127 | 2023-01-11 12:37:46 |
| umpq-20230111.xsd | 1908 | 2023-01-11 12:37:46 |
| umpq-20230111_htm.xml | 10981 | 2023-01-11 12:37:46 |
| umpq-20230111_lab.xml | 24849 | 2023-01-11 12:37:46 |
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