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v3.23.3

Accumulated Other Comprehensive Income (Loss) - Accumulated Other Comprehensive Income, Changes In (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022
AOCI Attributable to Parent, Net of Tax |  |  |  |
Beginning balance, net of tax | $ 765,161 | $ 731,782 | $ 745,997 | $ 912,172
Income tax (expense) benefit | 10,443 | 10,993 | 4,658 | 63,902
Ending balance, net of tax | 728,595 | 707,636 | 728,595 | 707,636
Unrealized Gains (Losses) on Securities |  |  |  |
AOCI Attributable to Parent, Net of Tax |  |  |  |
Beginning balance, net of tax | (125,929) | (137,792) | (149,181) | 84,716
Other comprehensive (loss) income before reclassifications | (52,882) | (67,721) | (33,032) | (354,649)
Reclassification adjustments included in net income | 1,997 | 1,495 | 11,579 | 6,768
Income tax (expense) benefit | 10,686 | 13,908 | 4,506 | 73,055
Net current-period other comprehensive income (loss), net of tax | (40,199) | (52,318) | (16,947) | (274,826)
Ending balance, net of tax | (166,128) | (190,110) | (166,128) | (190,110)
Unrealized Gains (Losses) on Derivatives |  |  |  |
AOCI Attributable to Parent, Net of Tax |  |  |  |
Beginning balance, net of tax | 29,439 | 21,857 | 31,227 | (1,257)
Other comprehensive (loss) income before reclassifications | 7,377 | 15,226 | 16,277 | 42,819
Reclassification adjustments included in net income | (6,408) | (1,572) | (17,570) | 94
Income tax (expense) benefit | (203) | (2,868) | 271 | (9,013)
Net current-period other comprehensive income (loss), net of tax | 766 | 10,786 | (1,022) | 33,900
Ending balance, net of tax | 30,205 | 32,643 | 30,205 | 32,643
Retirement Plans |  |  |  |
AOCI Attributable to Parent, Net of Tax |  |  |  |
Beginning balance, net of tax | (19,203) | (23,400) | (19,502) | (23,754)
Other comprehensive (loss) income before reclassifications | 0 | 0 | 0 | 0
Reclassification adjustments included in net income | 189 | 224 | 567 | 671
Income tax (expense) benefit | (40) | (47) | (119) | (140)
Net current-period other comprehensive income (loss), net of tax | 149 | 177 | 448 | 531
Ending balance, net of tax | (19,054) | (23,223) | (19,054) | (23,223)
Total |  |  |  |
AOCI Attributable to Parent, Net of Tax |  |  |  |
Beginning balance, net of tax | (115,693) | (139,335) | (137,456) | 59,705
Other comprehensive (loss) income before reclassifications | (45,505) | (52,495) | (16,755) | (311,830)
Reclassification adjustments included in net income | (4,222) | 147 | (5,424) | 7,533
Income tax (expense) benefit | 10,443 | 10,993 | 4,658 | 63,902
Net current-period other comprehensive income (loss), net of tax | (39,284) | (41,355) | (17,521) | (240,395)
Ending balance, net of tax | $ (154,977) | $ (180,690) | $ (154,977) | $ (180,690)

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