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Other Comprehensive Income | 12 Months Ended
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Dec. 31, 2022
Equity [Abstract] |
Other Comprehensive Income | OTHER COMPREHENSIVE INCOME (LOSS) The gross amounts of each component of other comprehensive (loss) income and the related tax effects for the periods indicated are as follows:
Year Ended December 31, 2022 | Before Tax Amount | Tax Expense (Benefit) | Net of Tax Amount
Investment securities available-for sale: |  |  |
Change in net unrealized loss during period | $ | (613.1) |  | $ | (152.4) |  | $ | (460.7) |
Reclassification adjustment for net gains included in net income | 24.4 |  | 5.5 |  | 18.9 |
Reclassification adjustment for securities transferred from held-to-maturity to available-for-sale | 0.2 |  | 0.1 |  | 0.1 |
Net change in unamortized gains on available-for-sale securities transferred into held-to-maturity | (26.1) |  | (6.6) |  | (19.5) |
Change in net unrealized loss on derivatives | (6.7) |  | (1.8) |  | (4.9) |
Total other comprehensive loss | $ | (621.3) |  | $ | (155.2) |  | $ | (466.1) |
Year Ended December 31, 2021 | Before Tax Amount | Tax Expense (Benefit) | Net of Tax Amount
Investment securities available-for sale: |  |  |
Change in net unrealized loss during period | $ | (113.7) |  | $ | (28.7) |  | $ | (85.0) |
Reclassification adjustment for net gains included in net income | (1.1) |  | (0.3) |  | (0.8) |
Net change in unamortized gains on available-for-sale securities transferred into held-to-maturity | 20.2 |  | 5.1 |  | 15.1 |
Change in net unrealized loss on derivatives | 4.2 |  | 1.1 |  | 3.1 |
Total other comprehensive loss | $ | (90.4) |  | $ | (22.8) |  | $ | (67.6) |
Year Ended December 31, 2020 | Before Tax Amount | Tax Expense (Benefit) | Net of Tax Amount
Investment securities available-for sale: |  |  |
Change in net unrealized gains during period | $ | 61.8 |  | $ | 15.8 |  | $ | 46.0 |
Reclassification adjustment for net gains included in net income | (0.3) |  | (0.1) |  | (0.2) |
Change in net unrealized loss on derivatives | 0.2 |  | — |  | 0.2 |
Defined benefits post-retirement benefit plan: |  |  |
Change in net actuarial gains | (0.5) |  | (0.1) |  | (0.4) |
Total other comprehensive income | $ | 61.2 |  | $ | 15.6 |  | $ | 45.6 |
The components of accumulated other comprehensive loss, net of income taxes, are as follows:
Years ended December 31, | 2022 |  | 2021
Net unrealized loss on investment securities available-for-sale | $ | (471.0) |  |  | $ | (29.0) |
Net unrealized (loss) gain on investment securities transferred to held-to-maturity | (4.5) |  |  | 15.0 |
Net unrealized (loss) gain on derivatives | (1.6) |  |  | 3.0 |
Net accumulated other comprehensive loss | $ | (477.1) |  |  | $ | (11.0) |

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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 http://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 http://asc.fasb.org/extlink&oid=123367319&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 http://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 http://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263 + Details
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