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v3.23.2

Stockholders' Equity (Components of Accumulated Other Comprehensive Income (Loss)) (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |
Beginning Balance |  |  | $ (772,182) | $ (53,935)
Net change in unrealized gain (loss) |  |  | (2,559) | (594,455)
Reclassification of net income or loss realized and included in earnings | $ 11,245 | $ (5,570) | 20,765 | (9,408)
Valuation adjustments to employee benefit plans |  |  | (7,521) | (7,987)
Amortization of unrealized net loss on securities transferred to HTM | 428 | 266 | 922 | 527
Income tax (expense) benefit | 22,194 | 48,941 | (2,211) | 138,081
Ending Balance | (762,786) | (527,177) | (762,786) | (527,177)
Accumulated Other Comprehensive Loss Available for Sale Securities [Member] |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |
Beginning Balance |  |  | (584,408) | 11,037
Net change in unrealized gain (loss) |  |  | 17,678 | (547,636)
Reclassification of net income or loss realized and included in earnings |  |  |  | 1,707
Transfer of net unrealized loss from AFS to HTM securities portfolio |  |  |  | 15,405
Income tax (expense) benefit |  |  | (3,737) | 119,739
Ending Balance | (570,467) | (399,748) | (570,467) | (399,748)
Held to Maturity Securities Transferred from AFS [Member] |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |
Beginning Balance |  |  | (10,734) | 153
Transfer of net unrealized loss from AFS to HTM securities portfolio |  |  |  | (15,405)
Amortization of unrealized net loss on securities transferred to HTM |  |  | 922 | 527
Income tax (expense) benefit |  |  | (207) | 3,358
Ending Balance | (10,019) | (11,367) | (10,019) | (11,367)
Employee Benefit Plans [Member] |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |
Beginning Balance |  |  | (97,952) | (80,946)
Reclassification of net income or loss realized and included in earnings |  |  | 3,272 | 1,652
Valuation adjustments to employee benefit plans |  |  | (7,521) | (7,987)
Income tax (expense) benefit |  |  | 956 | 1,430
Ending Balance | (101,245) | (85,851) | (101,245) | (85,851)
Gains and Losses on Cash Flow Hedges [Member] |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |
Beginning Balance |  |  | (79,093) | 16,284
Net change in unrealized gain (loss) |  |  | (20,943) | (47,287)
Reclassification of net income or loss realized and included in earnings |  |  | 17,493 | (12,767)
Income tax (expense) benefit |  |  | 777 | 13,554
Ending Balance | (81,766) | (30,216) | (81,766) | (30,216)
Equity Method Investment [Member] |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |
Beginning Balance |  |  | 5 | (463)
Net change in unrealized gain (loss) |  |  | 706 | 468
Ending Balance | $ 711 | $ 5 | $ 711 | $ 5

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