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Accumulated Other Comprehensive Income (Loss) - Reclassifications out of Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |  |
Amortization of unrealized gains and losses |  | $ 1,989 | $ 1,310 | $ 3,981 | $ 1,553
Tax benefit (expense) |  | (4,568) | (3,297) | (9,111) | (6,443)
Realized net gain (loss) on sale of securities |  | (3,455) | (2,177) | (5,601) | (3,720)
Total reclassifications for the period, net of tax |  | 319 | (3,217) | 949 | (5,836)
Unrealized gains (losses) |  |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |  |
Reclassified from accumulated other comprehensive income |  | (5,444) | (3,487) | (9,582) | (5,273)
Realized net gain (loss) on interest rate swap derivatives |  |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |  |
Reclassified from accumulated other comprehensive income |  | 6,054 | (344) | 11,162 | (1,666)
Net actuarial loss |  |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |  |
Reclassified from accumulated other comprehensive income | [1] | (205) | (241) | (378) | (447)
Amortization of pension plan |  |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |  |
Reclassified from accumulated other comprehensive income |  | (205) | (241) | (378) | (447)
Tax benefit |  | 43 | 51 | 79 | 93
Total reclassifications for the period, net of tax |  | (162) | (190) | (299) | (354)
Unrealized gains and losses on securities transferred | Reclassification out of accumulated other comprehensive income | Unrealized gains (losses) |  |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |  |
Amortization of unrealized gains and losses | [2] | (1,989) | (1,310) | (3,981) | (1,553)
Tax benefit (expense) |  | 418 | 275 | 836 | 326
Net of tax |  | (1,571) | (1,035) | (3,145) | (1,227)
Unrealized gains and losses on available for sale securities | Reclassification out of accumulated other comprehensive income | Unrealized gains (losses) |  |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |  |
Tax benefit (expense) |  | 725 | 457 | 1,176 | 781
Net of tax |  | (2,730) | (1,720) | (4,425) | (2,939)
Realized net gain (loss) on sale of securities | [3] | (3,455) | (2,177) | (5,601) | (3,720)
Interest rate swap derivatives | Reclassification out of accumulated other comprehensive income | Realized net gain (loss) on interest rate swap derivatives |  |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |  |
Tax benefit (expense) |  | (1,272) | 72 | (2,344) | 350
Net of tax |  | 4,782 | (272) | 8,818 | (1,316)
Realized net (loss) gain on interest rate swap derivatives | [4] | $ 6,054 | $ (344) | $ 11,162 | $ (1,666)
[1] | These AOCI components are included in the computation of net periodic pension cost (income) presented in “Note 8 – Employee Benefit Plans.”
[2] | Included in interest income on the consolidated statements of income.
[3] | Listed as net gain (loss) on sale of securities AFS on the consolidated statements of income.
[4] | Included in interest expense for FHLB borrowings, other borrowings and deposits on the consolidated statements of income.

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