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Shareholders' Equity and Other Comprehensive Income (Loss) | 9 Months Ended
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Sep. 30, 2025
Equity [Abstract] |
Shareholders' Equity and Other Comprehensive Income (Loss) | Note 4 - Shareholders' Equity and Other Comprehensive Income (Loss) Repurchases of Common Stock On December 13, 2024 the Board of Directors approved share repurchases of up to $400 million of common stock and $50 million of preferred stock in 2025. During the three months ended September 30, 2025, Synovus did not repurchase shares of common stock. During the nine months ended September 30, 2025, Synovus repurchased 2.9 million shares of common stock at an average price of $48.62 per share via open market transactions. Changes in Accumulated Other Comprehensive Income (Loss) by Component (Net of Income Taxes) The following table illustrates activity within the balances in accumulated other comprehensive income (loss) by component for the three and nine months ended September 30, 2025 and 2024.
Changes in Accumulated Other Comprehensive Income (Loss) by Component (Net of Income Taxes)
(in thousands) | Net unamortized holding (losses) gains on AFS investment securities transferred to HTM |  | Net unrealized gains (losses) on investment securities AFS(1) |  | Net unrealized gains (losses) on cash flow hedges(1) |  | Total
Balance at June 30, 2025 | $ | (466,163) |  |  | $ | (270,842) |  |  | $ | (2,216) |  |  | $ | (739,221) |
Other comprehensive income (loss) before reclassifications | — |  |  | 43,892 |  |  | (6,032) |  |  | 37,860 |
Amounts reclassified from AOCI | 15,271 |  |  | (1,321) |  |  | 10,614 |  |  | 24,564 |
Net current period other comprehensive income (loss) | 15,271 |  |  | 42,571 |  |  | 4,582 |  |  | 62,424 |
Balance at September 30, 2025 | $ | (450,892) |  |  | $ | (228,271) |  |  | $ | 2,366 |  |  | $ | (676,797) |
Balance at June 30, 2024 | $ | (521,780) |  |  | $ | (410,553) |  |  | $ | (118,041) |  |  | $ | (1,050,374) |
Other comprehensive income (loss) before reclassifications | — |  |  | 193,466 |  |  | 40,189 |  |  | 233,655 |
Amounts reclassified from AOCI | 15,044 |  |  | — |  |  | 27,889 |  |  | 42,933 |
Net current period other comprehensive income (loss) | 15,044 |  |  | 193,466 |  |  | 68,078 |  |  | 276,588 |
Balance at September 30, 2024 | $ | (506,736) |  |  | $ | (217,087) |  |  | $ | (49,963) |  |  | $ | (773,786) |
Balance at December 31, 2024 | $ | (492,828) |  |  | $ | (411,413) |  |  | $ | (66,524) |  |  | $ | (970,765) |
Other comprehensive income (loss) before reclassifications | — |  |  | 184,463 |  |  | 31,634 |  |  | 216,097 |
Amounts reclassified from AOCI | 41,936 |  |  | (1,321) |  |  | 37,256 |  |  | 77,871 |
Net current period other comprehensive income (loss) | 41,936 |  |  | 183,142 |  |  | 68,890 |  |  | 293,968 |
Balance at September 30, 2025 | $ | (450,892) |  |  | $ | (228,271) |  |  | $ | 2,366 |  |  | $ | (676,797) |
Balance at December 31, 2023 | $ | — |  |  | $ | (998,259) |  |  | $ | (118,814) |  |  | $ | (1,117,073) |
Other comprehensive income (loss) before reclassifications | (537,434) |  |  | 586,495 |  |  | (16,949) |  |  | 32,112 |
Amounts reclassified from AOCI | 30,698 |  |  | 194,677 |  |  | 85,800 |  |  | 311,175 |
Net current period other comprehensive income (loss) | (506,736) |  |  | 781,172 |  |  | 68,851 |  |  | 343,287 |
Balance at September 30, 2024 | $ | (506,736) |  |  | $ | (217,087) |  |  | $ | (49,963) |  |  | $ | (773,786) |
(1) For September 30, 2025 and 2024, the ending balance in net unrealized gains (losses) on investment securities available for sale and cash flow hedges includes unrealized losses of $10.2 million and $11.6 million, respectively, related to residual tax effects remaining in OCI primarily due to previously established deferred tax asset valuation allowances in 2010 and 2011 and state rate changes. In accordance with ASC 740-20-45-11(b), under the portfolio approach, these unrealized losses are realized at the time the entire portfolio is sold or disposed.

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