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v3.23.2

Other Comprehensive Income (Loss) - Changes in the Components of Other Comprehensive Income (Loss), Net of Tax (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2023 | Mar. 31, 2023 | Jun. 30, 2022 | Mar. 31, 2022 | Jun. 30, 2023 | Jun. 30, 2022
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |  |
Total other comprehensive income (loss), pre-tax | $ 1,129 |  | $ (68,183) |  | $ 23,431 | $ (194,440)
Total other comprehensive income (loss), tax expense (benefit) | 266 |  | (17,354) |  | 5,855 | (49,485)
Other comprehensive income (loss), net of tax | 863 | $ 16,713 | (50,829) | $ (94,126) | 17,576 | (144,955)
Securities available for sale: |  |  |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |  |
Other comprehensive income (loss), before reclassifications, pre-tax | (21,283) |  | (76,405) |  | (569) | (211,161)
Other comprehensive income (loss) before reclassifications, tax expense (benefit) | (5,353) |  | (19,447) |  | (170) | (53,741)
Other comprehensive income (loss), before reclassifications, net of tax | (15,930) |  | (56,958) |  | (399) | (157,420)
Reclassification from AOCI, pre-tax | 22,438 |  | (220) |  | 22,438 |
Reclassification from AOCI, tax expense (benefit) | 5,622 |  | (56) |  | 5,622 |
Reclassification from AOCI, net of tax | 16,816 |  | (164) |  | 16,816 |
Total other comprehensive income (loss), pre-tax | 4,181 |  | (76,625) |  | 28,023 | (211,480)
Total other comprehensive income (loss), tax expense (benefit) | 1,043 |  | (19,503) |  | 7,026 | (53,822)
Other comprehensive income (loss), net of tax | 3,138 |  | (57,122) |  | 20,997 | (157,658)
Amortization of unrealized holding losses on securities transferred to the held to maturity category |  |  |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |  |
Reclassification from AOCI, pre-tax | 3,026 |  |  |  | 6,154 | (319)
Reclassification from AOCI, tax expense (benefit) | 774 |  |  |  | 1,574 | (81)
Reclassification from AOCI, net of tax | 2,252 |  |  |  | 4,580 | (238)
Derivative instruments: |  |  |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |  |
Other comprehensive income (loss), before reclassifications, pre-tax | (3,167) |  | 8,401 |  | (4,823) | 16,957
Other comprehensive income (loss) before reclassifications, tax expense (benefit) | (806) |  | 2,139 |  | (1,230) | 4,316
Other comprehensive income (loss), before reclassifications, net of tax | (2,361) |  | 6,262 |  | (3,593) | 12,641
Total other comprehensive income (loss), pre-tax | (3,167) |  | 8,401 |  | (4,823) | 16,957
Total other comprehensive income (loss), tax expense (benefit) | (806) |  | 2,139 |  | (1,230) | 4,316
Other comprehensive income (loss), net of tax | (2,361) |  | 6,262 |  | (3,593) | 12,641
Amortization of net actuarial loss recognized in net periodic pension cost |  |  |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |  |
Reclassification from AOCI, pre-tax | 115 |  | 41 |  | 231 | 83
Reclassification from AOCI, tax expense (benefit) | 29 |  | 10 |  | 59 | 21
Reclassification from AOCI, net of tax | 86 |  | 31 |  | 172 | 62
Total defined benefit pension and post-retirement benefit plans |  |  |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |  |
Total other comprehensive income (loss), pre-tax | 115 |  | 41 |  | 231 | 83
Total other comprehensive income (loss), tax expense (benefit) | 29 |  | 10 |  | 59 | 21
Other comprehensive income (loss), net of tax | $ 86 |  | $ 31 |  | $ 172 | $ 62

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