Nature of Operations and Summary of Significant Accounting Policies Other Investments (Details)	12 Months Ended
Dec. 31, 2023
Investment In Limited Partnerships Accounting Treatment [Line Items]
Maximum ownership percentage that is not consolidated	50.00%
Investment in corporations minimum ownership percentage for accounting for using the equity method	20.00%
Investment in corporations maximum ownership percentage for accounting for at cost	20.00%
Investment in limited partnerships maximum ownership percentage for accounting for at cost	3.00%
Minimum
Investment In Limited Partnerships Accounting Treatment [Line Items]
Investment in limited partnerships ownership percentage for accounting for using the equity method	3.00%
Maximum
Investment In Limited Partnerships Accounting Treatment [Line Items]
Investment in limited partnerships ownership percentage for accounting for using the equity method	50.00%

Investment In Corporations Maximum Ownership Percentage For Accounting For At Cost

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Investment In Corporations Minimum Ownership Percentage For Accounting For Using The Equity Method

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[Line Items] for Investment In Limited Partnerships Accounting Treatment [Table]

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Investment In Limited Partnerships Maximum Ownership Percentage For Accounting For At Cost

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Investment In Limited Partnerships Ownership Percentage For Accounting For Using The Equity Method

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Maximum Ownership Percentage That Is Not Consolidated

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