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Accumulated Other Comprehensive Income
 6 Months Ended
Jun. 30, 2023
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, 2023
$(1,124,915)$(17,186)$55,237 $(1,086,864)
Other comprehensive income (loss) before reclassifications to current earnings72,335 — (5,523)66,812 
Amounts reclassified to current earnings from accumulated other comprehensive income 8,444 719 (8,549)614 
 Current period other comprehensive income (loss), before tax80,779 719 (14,072)67,426 
Income tax (expense) benefit(20,195)(180)3,518 (16,857)
 Current period other comprehensive income (loss), net of tax60,584 539 (10,554)50,569 
Balance June 30, 2023
$(1,064,331)$(16,647)$44,683 $(1,036,295)
Balance January 1, 2022
$23,174 $(20,668)$74,574 $77,080 
Other comprehensive income (loss) before reclassifications to current earnings(1,123,536)— — (1,123,536)
Amounts reclassified to current earnings from accumulated other comprehensive income9,582 860 (12,204)(1,762)
 Current period other comprehensive income (loss), before tax(1,113,954)860 (12,204)(1,125,298)
Income tax (expense) benefit278,488 (215)3,051 281,324 
 Current period other comprehensive income (loss), net of tax(835,466)645 (9,153)(843,974)
Balance June 30, 2022
$(812,292)$(20,023)$65,421 $(766,894)
(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.