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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2025 | Mar. 31, 2024
Statement of Comprehensive Income [Abstract] |  |
Net income, before-tax amount | $ 251,895 | $ 161,013
Net income, tax | (57,023) | (36,943)
Net income | 194,872 | 124,070
Before-tax Amount |  |
Net unamortized unrealized holding gains (losses) on available for sale investment securities transferred to held to maturity during the period | 0 | 0
Reclassification adjustment for the change in unamortized holding gains (losses) on held to maturity investment securities | 16,498 | 0
Net change | 16,498 | 0
Income Tax |  |
Net unamortized unrealized holding gains (losses) on available for sale investment securities transferred to held to maturity during the period | 0 | 0
Reclassification adjustment for the change in unamortized holding gains (losses) on held to maturity investment securities | (3,984) | 0
Net change | (3,984) | 0
Net of Tax Amount |  |
Net unamortized unrealized holding gains (losses) on available for sale investment securities transferred to held to maturity during the period | 0 | 0
Reclassification adjustment for the change in unamortized holding gains (losses) on held to maturity investment securities | 12,514 | 0
Net change | 12,514 | 0
Before-tax Amount |  |
Net unrealized gains (losses) arising during the period | 133,089 | (155,636)
Reclassification adjustment for realized (gains) losses included in net income | 0 | 0
Net change | 133,089 | (155,636)
Income Tax |  |
Net unrealized gains (losses) arising during the period | (32,141) | 37,586
Reclassification adjustment for realized (gains) losses included in net income | 0 | 0
Net change | (32,141) | 37,586
Net of Tax Amount |  |
Net unrealized gains (losses) arising during the period | 100,948 | (118,050)
Reclassification adjustment for realized (gains) losses included in net income | 0 | 0
Net change | 100,948 | (118,050)
Before-tax Amount |  |
Net unrealized gains (losses) arising during the period | 21,821 | (57,056)
Reclassification adjustment for realized (gains) losses included in net income | 18,503 | 39,823
Net change | 40,324 | (17,233)
Income Tax |  |
Net unrealized gains (losses) arising during the period | (5,270) | 13,779
Reclassification adjustment for realized (gains) losses included in net income | (4,469) | (9,617)
Net change | (9,739) | 4,162
Net of Tax Amount |  |
Net unrealized gains (losses) arising during the period | 16,551 | (43,277)
Reclassification adjustment for realized (gains) losses included in net income | 14,034 | 30,206
Net change | 30,585 | (13,071)
Total other comprehensive income (loss) | 189,911 | (172,869)
Other comprehensive income (loss), tax | (45,864) | 41,748
Total other comprehensive income (loss), net of tax amount | 144,047 | (131,121)
Comprehensive income (loss) | 338,919 | (7,051)
Less: comprehensive income (loss) attributable to noncontrolling interest | (142) | (437)
Comprehensive income (loss) attributable to Synovus Financial Corp. | $ 339,061 | $ (6,614)

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