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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, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |  |
Amortization of unrealized gains and losses |  | $ 2,068 | $ 1,989 | $ 4,091 | $ 3,981
Tax benefit (expense) |  | (5,212) | (4,568) | (9,834) | (9,111)
Realized net gain (loss) on sale of securities |  | (563) | (3,455) | (581) | (5,601)
Total reclassifications for the period, net of tax |  | 2,373 | 319 | 5,875 | 949
Unrealized gains (losses) |  |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |  |
Reclassified from accumulated other comprehensive income |  | (2,631) | (5,444) | (4,672) | (9,582)
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 |  | 5,782 | 6,054 | 12,424 | 11,162
Net actuarial loss |  |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |  |
Reclassified from accumulated other comprehensive income | [1] | (148) | (205) | (315) | (378)
Amortization of pension plan |  |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |  |
Reclassified from accumulated other comprehensive income |  | (148) | (205) | (315) | (378)
Tax benefit |  | 32 | 43 | 66 | 79
Total reclassifications for the period, net of tax |  | (116) | (162) | (249) | (299)
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] | (2,068) | (1,989) | (4,091) | (3,981)
Tax benefit (expense) |  | 434 | 418 | 859 | 836
Net of tax |  | (1,634) | (1,571) | (3,232) | (3,145)
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) |  | 118 | 725 | 122 | 1,176
Net of tax |  | (445) | (2,730) | (459) | (4,425)
Realized net gain (loss) on sale of securities | [3] | (563) | (3,455) | (581) | (5,601)
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) |  | (1,214) | (1,272) | (2,609) | (2,344)
Net of tax |  | 4,568 | 4,782 | 9,815 | 8,818
Realized net (loss) gain on interest rate swap derivatives | [4] | $ 5,782 | $ 6,054 | $ 12,424 | $ 11,162
[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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