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Accumulated Other Comprehensive Income (Loss) - Reclassifications out of Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2024 | Mar. 31, 2023
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |
Amortization of unrealized gains and losses |  | $ 2,023 | $ 1,992
Tax benefit (expense) |  | (4,622) | (4,543)
Realized net gain (loss) on sale of securities |  | (18) | (2,146)
Total reclassifications for the period, net of tax |  | 3,502 | 630
Unrealized gains (losses) |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |
Reclassified from accumulated other comprehensive income |  | (2,041) | (4,138)
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 |  | 6,642 | 5,108
Net actuarial loss |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |
Reclassified from accumulated other comprehensive income | [1] | (167) | (173)
Amortization of pension plan |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |
Reclassified from accumulated other comprehensive income |  | (167) | (173)
Tax benefit |  | 34 | 36
Total reclassifications for the period, net of tax |  | (133) | (137)
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] | (2,023) | (1,992)
Tax benefit (expense) |  | 425 | 418
Net of tax |  | (1,598) | (1,574)
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) |  | 4 | 451
Net of tax |  | (14) | (1,695)
Realized net gain (loss) on sale of securities | [3] | (18) | (2,146)
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) |  | (1,395) | (1,072)
Net of tax |  | 5,247 | 4,036
Realized net (loss) gain on interest rate swap derivatives | [4] | $ 6,642 | $ 5,108
[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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