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Accumulated Other Comprehensive Income
 12 Months Ended
Dec. 31, 2022
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. The largest component is the unrealized holding gains and losses on available for sale debt securities. Another component is the amortization from other comprehensive income of losses associated with pension benefits, which occurs as the losses are included in current net periodic pension cost. The remaining component is gains and losses in fair value on certain interest rate floors that have been designated as cash flow hedges, including interest rate floors terminated in prior years. For those terminated floors, the realized gains are amortized into interest income through the original maturity dates of the floors. Information about unrealized gains and losses on securities can be found in Note 3, information about unrealized gains and losses on pension plans can be found in Note 10, and information about unrealized gains and losses on cash flow hedge derivatives is located in Note 19.
(In thousands)Unrealized Gains (Losses) on Securities (1)Pension Loss Unrealized Gains (Losses) on Cash Flow Hedge Derivatives (2)Total Accumulated Other Comprehensive Income (Loss)
Balance January 1, 2022
$23,174 $(20,668)$74,574 $77,080 
Other comprehensive income (loss) before reclassifications to current earnings(1,551,059)3,197 (2,428)(1,550,290)
Amounts reclassified to current earnings from accumulated other comprehensive income20,273 1,446 (23,355)(1,636)
Current period other comprehensive income (loss), before tax
(1,530,786)4,643 (25,783)(1,551,926)
Income tax (expense) benefit382,697 (1,161)6,446 387,982 
Current period other comprehensive income (loss), net of tax
(1,148,089)3,482 (19,337)(1,163,944)
Balance December 31, 2022
$(1,124,915)$(17,186)$55,237 $(1,086,864)
Balance January 1, 2021$263,801 $(25,118)$92,694 $331,377 
Other comprehensive income (loss) before reclassifications to current earnings(324,122)3,627 — (320,495)
Amounts reclassified to current earnings from accumulated other comprehensive income3,284 2,307 (24,160)(18,569)
Current period other comprehensive income (loss), before tax
(320,838)5,934 (24,160)(339,064)
Income tax (expense) benefit80,211 (1,484)6,040 84,767 
Current period other comprehensive income (loss), net of tax
(240,627)4,450 (18,120)(254,297)
Balance December 31, 2021
$23,174 $(20,668)$74,574 $77,080 
(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.