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Nonqualified Benefit Plans Contributions (Details 14) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Unfunded Plan | Nonqualified Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Nonqualified Defined Contribution Plan, Cost | $ 3.3 | $ 2.4 | $ 1.8

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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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- Definition Amount of cost for defined contribution plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 70 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=49170846&loc=d3e28014-114942 + Details
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- Details
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