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Consolidation Statements of Comprehensive Income - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Net income | $ 403,837 | $ 246,355 | $ 271,623
Unrealized holding (losses) gains arising during year | 119,598 | 133,104 | 168,021
Unrealized losses on securities with credit loss recognized in earnings | (7,159) | (6,459) | 0
Amounts reclassified into net income: Held-to-maturity securities | (9) | (19) | (46)
Amounts reclassified into net income: Net realized losses on disposals and losses on intent-to-sell available-for-sale securities | (3,022) | (4,247) | (530)
Amounts reclassified into net income: Credit loss expense | 5,418 | (3,984) | 0
Total unrealized (losses) gains on investment securities | 124,370 | 134,857 | 168,505
Net actuarial gain (loss) | (17,093) | 1,197 | 10,898
Amounts reclassified into net income: Net actuarial loss | 2,190 | 2,382 | 2,099
Total defined benefit pension and post-retirement plans | 19,283 | 3,579 | (8,799)
Other comprehensive (loss) income | (105,087) | 138,436 | 159,706
Comprehensive income | $ 298,750 | $ 384,791 | $ 431,329

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