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Financial Instruments and Fair Value Measurements and Disclosures (Details) - USD ($) $ in Millions | Sep. 30, 2023 | Dec. 31, 2022
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Estimated Fair Value | Fair Value, Inputs, Level 2 |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Notes payable | $ 590.4 | $ 525.5
Carrying Value |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Notes payable, carrying value | $ 621.8 | $ 620.7

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- Definition Fair value portion of notes payable. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19,20,22) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
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