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v3.20.4

Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Statement of Comprehensive Income [Abstract] |  |  |
Net income | $ 226,409 | $ 238,206 | $ 190,830
Change in debt securities available-for-sale: |  |  |
Unrealized holding gains (losses) for the period | 125,214 | 123,006 | (4,769)
Reclassification for securities transferred to held-to-maturity | 0 | 0 | 14,007
Reclassification adjustment for securities (gains) losses realized in income | (10,767) | (1,923) | (2,060)
Income tax effect | (25,243) | (27,604) | (1,386)
Unrealized gains (losses) on available-for-sale debt securities | 89,204 | 93,479 | 5,792
Change in securities held-to-maturity: |  |  |
Adjustment for securities transferred to available-for-sale | 0 | 8,200 | 19,412
Adjustment for securities transferred from available-for-sale | 0 | 0 | (14,007)
Amortization of unrealized losses on securities transferred from available-for-sale | 0 | 2,812 | 2,181
Income tax effect | 0 | (2,497) | (1,394)
Changes from securities held-to-maturity | 0 | 8,515 | 6,192
Cash flow hedges: |  |  |
Net unrealized derivative gains (losses) on cash flow hedges | 8,261 | (543) |
Net unrealized derivative gains (losses) on cash flow hedges |  |  | 5,145
Reclassification adjustment for (gains) losses realized in net income | (5,153) | (596) |
Reclassification adjustment for (gains) losses realized in net income |  |  | 150
Income tax effect | (764) | 280 |
Income tax effect |  |  | (1,298)
Changes from cash flow hedges | 2,344 | (859) |
Changes from cash flow hedges |  |  | 3,997
Defined benefit pension plans: |  |  |
Amortization of net loss recognized in income | 21 | 30 | 191
Income tax effect | (5) | (8) | (47)
Changes from defined benefit pension plans | 16 | 22 | 144
Other comprehensive income (loss) | 91,564 | 101,157 | 16,125
Comprehensive income | $ 317,973 | $ 339,363 | $ 206,955

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