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Investments Low Income Housing Tax Credits (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
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Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021
Low Income Housing Tax Credits [Abstract] |  |  |  |
Affordable Housing Tax Credits | $ 2.0 | $ 5.4 | $ 4.1 | $ 10.8
Amortization of Affordable Housing Tax Credit Investments | (1.5) | (3.7) | (3.0) | (7.4)
Tax Benefits from Low Income Housing Investments | $ 0.5 | $ 1.7 | $ 1.1 | $ 3.4

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- Definition Low Income Housing Tax Credits [Abstract] + References No definition available. + Details
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- Definition Tax Benefits from Low Income Housing Investments + References No definition available. + Details
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- Definition Amount of affordable housing tax credits and other tax benefits recognized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 740 -Section 50 -Paragraph 2 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=116633289&loc=SL49122993-202985 + Details
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- Definition Amount of amortization expense of investment in qualified affordable housing projects. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 740 -Section 50 -Paragraph 2 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=116633289&loc=SL49122993-202985 + Details
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