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Parent Company Financial Statements (Schedule Of Condensed Statements Of Income) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Condensed Financial Statements, Captions [Line Items] |  |  |
Other income (loss) | $ 30,528 | $ (1,008) | $ 63,681
Other expenses | 73,468 | 51,566 | 45,404
Income tax benefit | 122,484 | 113,826 | 137,860
Net Income (Loss) | 348,715 | 336,752 | 420,300
Umpqua Holdings Corporation |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |
Dividends from bank subsidiary | 353,000 | 192,000 | 398,000
Dividends from non-bank subsidiaries | 10,115 | 2,104 | 9,371
Other income (loss) | 453 | 127 | 5,007
Total income | 363,568 | 194,231 | 412,378
Management fees paid to subsidiaries | 1,877 | 1,434 | 1,590
Other expenses | 44,493 | 22,396 | 17,834
Total expenses | 46,370 | 23,830 | 19,424
Income before income tax benefit and equity in undistributed earnings of subsidiaries | 317,198 | 170,401 | 392,954
Income tax benefit | (10,019) | (4,677) | (3,470)
Net income before equity in undistributed earnings of subsidiaries | 327,217 | 175,078 | 396,424
Equity in undistributed earnings losses of subsidiaries | 21,498 | 161,674 | 23,876
Net Income (Loss) | $ 348,715 | $ 336,752 | $ 420,300

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