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v3.22.1

Other Comprehensive Income (Loss) - Changes in the Components of Other Comprehensive Income (Loss), Net of Tax (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2022 | Mar. 31, 2021
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |
Total other comprehensive income (loss), pre-tax | $ (126,257) | $ (6,613)
Total other comprehensive income (loss), tax expense (benefit) | (32,131) | (1,684)
Other comprehensive loss, net of tax | (94,126) | (4,929)
Securities available for sale: |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |
Other comprehensive income (loss), before reclassifications, pre-tax | (134,756) | (20,044)
Other comprehensive income (loss) before reclassifications, tax expense (benefit) | (34,294) | (5,101)
Other comprehensive income (loss), before reclassifications, net of tax | (100,462) | (14,943)
Reclassification from AOCI, pre-tax |  | (1,357)
Reclassification from AOCI, tax expense (benefit) |  | (345)
Reclassification from AOCI, net of tax |  | (1,012)
Total other comprehensive income (loss), pre-tax | (134,855) | (21,401)
Total other comprehensive income (loss), tax expense (benefit) | (34,319) | (5,446)
Other comprehensive loss, net of tax | (100,536) | (15,955)
Amortization of unrealized holding gains on securities transferred to the held to maturity category |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |
Reclassification from AOCI, pre-tax | 99 |
Reclassification from AOCI, tax expense (benefit) | 25 |
Reclassification from AOCI, net of tax | 74 |
Derivative instruments: |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |
Other comprehensive income (loss), before reclassifications, pre-tax | 8,556 | 14,734
Other comprehensive income (loss) before reclassifications, tax expense (benefit) | 2,177 | 3,750
Other comprehensive income (loss), before reclassifications, net of tax | 6,379 | 10,984
Total other comprehensive income (loss), pre-tax | 8,556 | 14,734
Total other comprehensive income (loss), tax expense (benefit) | 2,177 | 3,750
Other comprehensive loss, net of tax | 6,379 | 10,984
Amortization of net actuarial loss recognized in net periodic pension cost |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |
Reclassification from AOCI, pre-tax | 42 | 54
Reclassification from AOCI, tax expense (benefit) | 11 | 12
Reclassification from AOCI, net of tax | 31 | 42
Total defined benefit pension and post-retirement benefit plans |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |
Total other comprehensive income (loss), pre-tax | 42 | 54
Total other comprehensive income (loss), tax expense (benefit) | 11 | 12
Other comprehensive loss, net of tax | $ 31 | $ 42

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