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Accumulated Other Comprehensive Income
9 Months Ended
Sep. 30, 2024
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]  
Accumulated Other Comprehensive Income (Loss) Accumulated Other Comprehensive Income
The table below shows the activity and accumulated balances for components of other comprehensive income. Information about unrealized gains and losses on securities can be found in Note 3, and information about unrealized gains and losses on cash flow hedge derivatives is located in Note 11.

Unrealized Gains (Losses) on Securities (1)Pension Loss Unrealized Gains (Losses) on Cash Flow Hedge Derivatives (2)Total Accumulated Other Comprehensive Income (Loss)
(In thousands)
Balance January 1, 2024
$(915,001)$(13,596)$37,185 $(891,412)
Other comprehensive income (loss) before reclassifications to current earnings240,695  (6,199)234,496 
Amounts reclassified to current earnings from accumulated other comprehensive income 192,938 603 (8,693)184,848 
 Current period other comprehensive income (loss), before tax433,633 603 (14,892)419,344 
Income tax (expense) benefit(108,408)(150)3,722 (104,836)
 Current period other comprehensive income (loss), net of tax325,225 453 (11,170)314,508 
Balance September 30, 2024
$(589,776)$(13,143)$26,015 $(576,904)
Balance January 1, 2023
$(1,124,915)$(17,186)$55,237 $(1,086,864)
Other comprehensive income (loss) before reclassifications to current earnings(105,030)— (34,530)(139,560)
Amounts reclassified to current earnings from accumulated other comprehensive income8,444 983 (12,093)(2,666)
 Current period other comprehensive income (loss), before tax(96,586)983 (46,623)(142,226)
Income tax (expense) benefit24,146 (245)11,655 35,556 
 Current period other comprehensive income (loss), net of tax(72,440)738 (34,968)(106,670)
Balance September 30, 2023
$(1,197,355)$(16,448)$20,269 $(1,193,534)
(1) The pre-tax amounts reclassified from accumulated other comprehensive income to current earnings are included in "investment securities gains (losses), net" in the consolidated statements of income.
(2) The pre-tax amounts reclassified from accumulated other comprehensive income to current earnings are included in "interest and fees on loans" in the consolidated statements of income.