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Other Comprehensive Income/Loss | 3 Months Ended
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Mar. 31, 2023
Equity [Abstract] |
Other Comprehensive Income/Loss | Other Comprehensive Income (Loss) The gross amounts of each component of other comprehensive income (loss) and the related tax effects are as follows:
| Pre-tax |  | Tax Expense (Benefit) |  | Net of Tax
Three Months Ended March 31, | 2023 |  | 2022 |  | 2023 |  | 2022 |  | 2023 |  | 2022
Investment securities available-for sale: |  |  |  |  |  |  |  |  |  |  |
Change in net unrealized gains (losses) during the period | $ | 78.2 |  |  | $ | (252.6) |  |  | $ | 19.6 |  |  | $ | (62.7) |  |  | $ | 58.6 |  |  | $ | (189.9) |
Reclassification adjustment for net losses included in income | 23.4 |  |  | 0.1 |  |  | 5.8 |  |  | — |  |  | 17.6 |  |  | 0.1 |
Reclassification adjustment for securities transferred from held-to-maturity to available-for-sale | (7.2) |  |  | 0.2 |  |  | (1.8) |  |  | 0.1 |  |  | (5.4) |  |  | 0.1 |
Net change in unamortized losses on available-for-sale investment securities transferred into held-to-maturity | (0.4) |  |  | (23.0) |  |  | (0.1) |  |  | (5.7) |  |  | (0.3) |  |  | (17.3) |
Change in net unrealized loss on derivatives | 10.0 |  |  | 21.3 |  |  | 2.5 |  |  | 5.3 |  |  | 7.5 |  |  | 16.0 |
Total other comprehensive income (loss) | $ | 104.0 |  |  | $ | (254.0) |  |  | $ | 26.0 |  |  | $ | (63.0) |  |  | $ | 78.0 |  |  | $ | (191.0) |
The components of accumulated other comprehensive loss, net of related tax effects, are as follows:
| March 31, 2023 |  | December 31, 2022
Net unrealized loss on investment securities available-for-sale | $ | (400.2) |  |  | $ | (471.0) |
Net unrealized loss on investment securities transferred to held-to-maturity | (4.9) |  |  | (4.5) |
Net unrealized gain (loss) on derivatives | 6.0 |  |  | (1.6) |
Net accumulated other comprehensive loss | $ | (399.1) |  |  | $ | (477.1) |

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- Definition The entire disclosure for comprehensive income, which includes, but is not limited to, 1) the amount of income tax expense or benefit allocated to each component of other comprehensive income, including reclassification adjustments, 2) the reclassification adjustments for each classification of other comprehensive income and 3) the ending accumulated balances for each component of comprehensive income. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -URI https://asc.fasb.org/topic&trid=2134417 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(21)) -URI https://asc.fasb.org/extlink&oid=126953954&loc=SL114868664-224227 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(23)) -URI https://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(19)) -URI https://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263 + Details
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