The following table summarizes the changes in accumulated other comprehensive income (loss) by component, net of tax, for the periods indicated: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Three Months Ended March 31, | | | Unrealized holding gains (losses) on AFS securities | | Unrealized holding gains (losses) on SERP | | Unrealized holding gains (losses) on junior subordinated debt | | | | Total | | | (in millions) | | Balance, December 31, 2025 | | $ | (340.7) | | | $ | — | | | $ | (3.5) | | | | | $ | (344.2) | | | Other comprehensive (loss) income before reclassifications | | (74.2) | | | (0.3) | | | 1.0 | | | | | (73.5) | | | Amounts reclassified from AOCI | | (37.8) | | | — | | | — | | | | | (37.8) | | | Net current-period other comprehensive (loss) income | | (112.0) | | | (0.3) | | | 1.0 | | | | | (111.3) | | | Balance, March 31, 2026 | | $ | (452.7) | | | $ | (0.3) | | | $ | (2.5) | | | | | $ | (455.5) | | | | | | | | | | | | | | Balance, December 31, 2024 | | $ | (534.7) | | | $ | (0.4) | | | $ | 1.4 | | | | | $ | (533.7) | | | Other comprehensive income before reclassifications | | 55.7 | | | — | | | 1.1 | | | | | 56.8 | | | Amounts reclassified from AOCI | | (1.6) | | | — | | | — | | | | | (1.6) | | | Net current-period other comprehensive income | | 54.1 | | | — | | | 1.1 | | | | | 55.2 | | | Balance, March 31, 2025 | | $ | (480.6) | | | $ | (0.4) | | | $ | 2.5 | | | | | $ | (478.5) | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
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