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Pension Plans - Qualified and Non-Qualified Plans - Adjustments to Equity (Details) - USD ($) $ in Millions | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
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Pension Plan [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Change in equity as a result of change in deferred net loss | $ (0.6) | $ 9.9 | $ (2.3)

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- Definition Increase or decrease in equity as a result of the change in deferred net loss. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |