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Accumulated Other Comprehensive Loss
3 Months Ended
Mar. 31, 2023
Equity [Abstract]  
Accumulated Other Comprehensive Loss Accumulated Other Comprehensive Loss
The following table presents the after-tax changes in the balances of each component of accumulated other comprehensive loss for the three months ended March 31, 2023:

 Components of Accumulated Other Comprehensive LossTotal
Accumulated
Other
Comprehensive
Loss
 Unrealized Gains
and Losses on
Available for Sale
(AFS) Securities
Unrealized Gains
and Losses on
Derivatives
Defined Benefit
Pension and Postretirement Benefit Plans
 (in thousands)
Balance at December 31, 2022$(127,818)$2,233 $(38,417)$(164,002)
Other comprehensive gain before reclassification 17,170 2,798 — 19,968 
Amounts reclassified from other comprehensive income— 379 387 
Other comprehensive income, net17,170 3,177 20,355 
Balance at March 31, 2023$(110,648)$5,410 $(38,409)$(143,647)
The following table presents amounts reclassified from each component of accumulated other comprehensive loss on a gross and net of tax basis for the three months ended March 31, 2023 and 2022:
Amounts Reclassified from
Accumulated Other Comprehensive Loss
Three Months Ended
March 31,
Components of Accumulated Other Comprehensive Loss20232022Income Statement Line Item
 (in thousands) 
Unrealized gains on AFS securities before tax$— $14 Gains (losses) on securities transactions, net
Tax effect— (4)
Total net of tax— 10 
Unrealized losses on derivatives (cash flow hedges) before tax(531)(542)Interest expense
Tax effect152 156 
Total net of tax(379)(386)
Defined benefit pension and postretirement benefit plans:
Amortization of actuarial net loss(11)(183)*
Tax effect51 
Total net of tax(8)(132)
Total reclassifications, net of tax$(387)$(508)
*Amortization of actuarial net loss is included in the computation of net periodic pension cost recognized within other non-interest expense.