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Condensed Financial Information Of Synovus Financial Corp. (Parent Company Only) - Condensed Statements Of Income (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Expense |  |  |
Interest expense | $ 120,396 | $ 291,747 | $ 454,835
Other expense | 1,099,904 | 1,179,574 | 1,098,968
Net income | 760,467 | 373,695 | 563,780
Less: Preferred stock dividends | 33,163 | 33,163 | 22,881
Net income available to common shareholders | 727,304 | 340,532 | 540,899
Parent Company |  |  |
Income |  |  |
Cash dividends received from subsidiaries | 420,000 | 547,500 | 400,000
Interest income | 777 | 3,341 | 5,920
Other income (loss) | 1,070 | 4,966 | 11,590
Total income | 421,847 | 555,807 | 417,510
Expense |  |  |
Interest expense | 27,616 | 42,911 | 41,328
Other expense | 10,300 | 10,584 | 13,528
Total expense | 37,916 | 53,495 | 54,856
Income before income taxes and equity in undistributed income of subsidiaries | 383,931 | 502,312 | 362,654
Allocated income tax benefit | (7,834) | (12,202) | (9,753)
Income before equity in undistributed income of subsidiaries | 391,765 | 514,514 | 372,407
Equity in undistributed income (loss) of subsidiaries | 368,702 | (140,819) | 191,373
Net income | 760,467 | 373,695 | 563,780
Less: Preferred stock dividends | 33,163 | 33,163 | 22,881
Net income available to common shareholders | $ 727,304 | $ 340,532 | $ 540,899

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