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Accumulated Other Comprehensive Income (Loss) (Tables)
6 Months Ended
Jun. 30, 2023
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]  
Schedule of accumulated other comprehensive income (loss) by component
The changes in accumulated other comprehensive income (loss) by component are as follows (in thousands):
Three Months Ended June 30, 2023
Unrealized Gains (Losses) on SecuritiesUnrealized Gains (Losses) on DerivativesRetirement PlansTotal
Beginning balance, net of tax$(135,627)$21,680 $(19,365)$(133,312)
Other comprehensive income (loss):
Other comprehensive income (loss) before reclassifications6,831 15,876 — 22,707 
Reclassification adjustments included in net income5,444 (6,054)205 (405)
Income tax (expense) benefit(2,577)(2,063)(43)(4,683)
Net current-period other comprehensive income (loss), net of tax9,698 7,759 162 17,619 
Ending balance, net of tax$(125,929)$29,439 $(19,203)$(115,693)
Six Months Ended June 30, 2023
Retirement Plans
Unrealized Gains (Losses) on Securities
Unrealized Gains (Losses) on DerivativesRetirement Plans
Total
Beginning balance, net of tax$(149,181)$31,227 $(19,502)$(137,456)
Other comprehensive income (loss):
Other comprehensive (loss) income before reclassifications19,850 8,900 — 28,750 
Reclassification adjustments included in net income9,582 (11,162)378 (1,202)
Income tax (expense) benefit(6,180)474 (79)(5,785)
Net current-period other comprehensive income (loss), net of tax23,252 (1,788)299 21,763 
Ending balance, net of tax$(125,929)$29,439 $(19,203)$(115,693)
Three Months Ended June 30, 2022
Unrealized Gains (Losses) on SecuritiesUnrealized Gains (Losses) on DerivativesRetirement PlansTotal
Beginning balance, net of tax$(72,699)$16,018 $(23,590)$(80,271)
Other comprehensive income (loss):
Other comprehensive income (loss) before reclassifications(85,883)7,047 — (78,836)
Reclassification adjustments included in net income3,487 344 241 4,072 
Income tax (expense) benefit17,303 (1,552)(51)15,700 
Net current-period other comprehensive income (loss), net of tax(65,093)5,839 190 (59,064)
Ending balance, net of tax$(137,792)$21,857 $(23,400)$(139,335)
Six Months Ended June 30, 2022
Unrealized Gains (Losses) on SecuritiesUnrealized Gains (Losses) on DerivativesRetirement PlansTotal
Beginning balance, net of tax$84,716 $(1,257)$(23,754)$59,705 
Other comprehensive income (loss):
Other comprehensive income (loss) before reclassifications(286,928)27,593 — (259,335)
Reclassification adjustments included in net income5,273 1,666 447 7,386 
Income tax (expense) benefit 59,147 (6,145)(93)52,909 
Net current-period other comprehensive income (loss), net of tax(222,508)23,114 354 (199,040)
Ending balance, net of tax$(137,792)$21,857 $(23,400)$(139,335)
Reclassifications out of accumulated other comprehensive income
The reclassification adjustments out of accumulated other comprehensive income (loss) included in net income are presented below (in thousands):
Three Months Ended
June 30,
Six Months Ended
June 30,
2023202220232022
Unrealized gains and losses on securities transferred:
Amortization of unrealized gains and losses (1)
$(1,989)$(1,310)$(3,981)$(1,553)
Tax benefit418 275 836 326 
Net of tax(1,571)(1,035)(3,145)(1,227)
Unrealized gains and losses on available for sale securities:
Realized net gain (loss) on sale of securities (2)
(3,455)(2,177)(5,601)(3,720)
Tax (expense) benefit725 457 1,176 781 
Net of tax(2,730)(1,720)(4,425)(2,939)
Derivatives:
Realized net gain (loss) on interest rate swap derivatives (3)
6,054 (344)11,162 (1,666)
Tax benefit(1,272)72 (2,344)350 
Net of tax4,782 (272)8,818 (1,316)
Amortization of pension plan:
Net actuarial loss (4)
(205)(241)(378)(447)
Tax benefit43 51 79 93 
Net of tax(162)(190)(299)(354)
Total reclassifications for the period, net of tax$319 $(3,217)$949 $(5,836)
(1)    Included in interest income on the consolidated statements of income.
(2)    Listed as net gain (loss) on sale of securities AFS on the consolidated statements of income.
(3)    Included in interest expense for FHLB borrowings, other borrowings and deposits on the consolidated statements of income.
(4)    These AOCI components are included in the computation of net periodic pension cost (income) presented in “Note 8 – Employee Benefit Plans.”