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Accumulated Other Comprehensive Income (Loss) | 9 Months Ended
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Sep. 30, 2023
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] |
Accumulated Other Comprehensive Income (Loss) | Accumulated Other Comprehensive Income (Loss) The changes in accumulated other comprehensive income (loss) by component are as follows (in thousands):
| Three Months Ended September 30, 2023
| Unrealized Gains (Losses) on Securities |  |  |  | Unrealized Gains (Losses) on Derivatives |  |  |  | Retirement Plans |  | Total
Beginning balance, net of tax | $ | (125,929) |  |  |  |  | $ | 29,439 |  |  |  |  | $ | (19,203) |  |  | $ | (115,693) |
Other comprehensive income (loss): |  |  |  |  |  |  |  |  |  |  |
Other comprehensive income (loss) before reclassifications | (52,882) |  |  |  |  | 7,377 |  |  |  |  | — |  |  | (45,505) |
Reclassification adjustments included in net income | 1,997 |  |  |  |  | (6,408) |  |  |  |  | 189 |  |  | (4,222) |
Income tax (expense) benefit | 10,686 |  |  |  |  | (203) |  |  |  |  | (40) |  |  | 10,443 |
Net current-period other comprehensive income (loss), net of tax | (40,199) |  |  |  |  | 766 |  |  |  |  | 149 |  |  | (39,284) |
Ending balance, net of tax | $ | (166,128) |  |  |  |  | $ | 30,205 |  |  |  |  | $ | (19,054) |  |  | $ | (154,977) |
| Nine Months Ended September 30, 2023
| Unrealized Gains (Losses) on Securities |  |  |  | Unrealized Gains (Losses) on Derivatives |  |  |  | Retirement Plans |  | Total
Beginning balance, net of tax | $ | (149,181) |  |  |  |  | $ | 31,227 |  |  |  |  | $ | (19,502) |  |  | $ | (137,456) |
Other comprehensive income (loss): |  |  |  |  |  |  |  |  |  |  |
Other comprehensive (loss) income before reclassifications | (33,032) |  |  |  |  | 16,277 |  |  |  |  | — |  |  | (16,755) |
Reclassification adjustments included in net income | 11,579 |  |  |  |  | (17,570) |  |  |  |  | 567 |  |  | (5,424) |
Income tax (expense) benefit | 4,506 |  |  |  |  | 271 |  |  |  |  | (119) |  |  | 4,658 |
Net current-period other comprehensive income (loss), net of tax | (16,947) |  |  |  |  | (1,022) |  |  |  |  | 448 |  |  | (17,521) |
Ending balance, net of tax | $ | (166,128) |  |  |  |  | $ | 30,205 |  |  |  |  | $ | (19,054) |  |  | $ | (154,977) |
| Three Months Ended September 30, 2022
| Unrealized Gains (Losses) on Securities |  |  |  | Unrealized Gains (Losses) on Derivatives |  |  |  | Retirement Plans |  | Total
Beginning balance, net of tax | $ | (137,792) |  |  |  |  | $ | 21,857 |  |  |  |  | $ | (23,400) |  |  | $ | (139,335) |
Other comprehensive income (loss): |  |  |  |  |  |  |  |  |  |  |
Other comprehensive income (loss) before reclassifications | (67,721) |  |  |  |  | 15,226 |  |  |  |  | — |  |  | (52,495) |
Reclassification adjustments included in net income | 1,495 |  |  |  |  | (1,572) |  |  |  |  | 224 |  |  | 147 |
Income tax (expense) benefit | 13,908 |  |  |  |  | (2,868) |  |  |  |  | (47) |  |  | 10,993 |
Net current-period other comprehensive income (loss), net of tax | (52,318) |  |  |  |  | 10,786 |  |  |  |  | 177 |  |  | (41,355) |
Ending balance, net of tax | $ | (190,110) |  |  |  |  | $ | 32,643 |  |  |  |  | $ | (23,223) |  |  | $ | (180,690) |
| Nine Months Ended September 30, 2022
| Unrealized Gains (Losses) on Securities |  |  |  | Unrealized Gains (Losses) on Derivatives |  |  |  | Retirement Plans |  | Total
Beginning balance, net of tax | $ | 84,716 |  |  |  |  | $ | (1,257) |  |  |  |  | $ | (23,754) |  |  | $ | 59,705 |
Other comprehensive income (loss): |  |  |  |  |  |  |  |  |  |  |
Other comprehensive income (loss) before reclassifications | (354,649) |  |  |  |  | 42,819 |  |  |  |  | — |  |  | (311,830) |
Reclassification adjustments included in net income | 6,768 |  |  |  |  | 94 |  |  |  |  | 671 |  |  | 7,533 |
Income tax (expense) benefit | 73,055 |  |  |  |  | (9,013) |  |  |  |  | (140) |  |  | 63,902 |
Net current-period other comprehensive income (loss), net of tax | (274,826) |  |  |  |  | 33,900 |  |  |  |  | 531 |  |  | (240,395) |
Ending balance, net of tax | $ | (190,110) |  |  |  |  | $ | 32,643 |  |  |  |  | $ | (23,223) |  |  | $ | (180,690) |
The reclassification adjustments out of accumulated other comprehensive income (loss) included in net income are presented below (in thousands):
| Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2023 |  | 2022 |  | 2023 |  | 2022
Unrealized gains and losses on securities transferred: |  |  |  |  |  |  |
Amortization of unrealized gains and losses (1) | $ | (2,008) |  |  | $ | (1,396) |  |  | $ | (5,989) |  |  | $ | (2,949) |
Tax benefit | 422 |  |  | 293 |  |  | 1,258 |  |  | 619 |
Net of tax | (1,586) |  |  | (1,103) |  |  | (4,731) |  |  | (2,330) |
Unrealized gains and losses on available for sale securities: |  |  |  |  |  |  |
Realized net gain (loss) on sale of securities (2) | 11 |  |  | (99) |  |  | (5,590) |  |  | (3,819) |
Tax (expense) benefit | (2) |  |  | 21 |  |  | 1,174 |  |  | 802 |
Net of tax | 9 |  |  | (78) |  |  | (4,416) |  |  | (3,017) |
Derivatives: |  |  |  |  |  |  |
Realized net gain (loss) on interest rate swap derivatives (3) | 6,408 |  |  | 1,572 |  |  | 17,570 |  |  | (94) |
Tax benefit | (1,346) |  |  | (330) |  |  | (3,690) |  |  | 20 |
Net of tax | 5,062 |  |  | 1,242 |  |  | 13,880 |  |  | (74) |
Amortization of pension plan: |  |  |  |  |  |  |
Net actuarial loss (4) | (189) |  |  | (224) |  |  | (567) |  |  | (671) |
Tax benefit | 40 |  |  | 47 |  |  | 119 |  |  | 140 |
Net of tax | (149) |  |  | (177) |  |  | (448) |  |  | (531) |
Total reclassifications for the period, net of tax | $ | 3,336 |  |  | $ | (116) |  |  | $ | 4,285 |  |  | $ | (5,952) |
(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.”

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- Definition The entire disclosure for comprehensive income, which includes, but is not limited to, 1) the amount of income tax expense or benefit allocated to each component of other comprehensive income, including reclassification adjustments, 2) the reclassification adjustments for each classification of other comprehensive income and 3) the ending accumulated balances for each component of comprehensive income. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(19)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483586/944-220-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(21)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483621/220-10-S99-2 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(23)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483589/942-220-S99-1 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//220/tableOfContent + Details
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