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Business Segment Information (Narrative) (Details) | 12 Months Ended
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Dec. 31, 2023 USD ($) segment | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($)
Segment Reporting [Abstract] |  |  |
Number of divisions that constitute reportable segments | segment | 4 |  |
Segment Reporting Information [Line Items] |  |  |
Acquired fixed assets, useful life | $ 0 | $ (671,000) | $ (598,000)
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] | Other expense, net | Other expense, net |
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Independence Hub, LLC |  |  |
Segment Reporting Information [Line Items] |  |  |
Distributions from unrestricted subsidiaries not included in income |  | $ 32 |

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- Definition Indicates line item in statement of income or comprehensive income that includes gain (loss) from derivative. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4A -Subparagraph (b)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480434/815-10-50-4A + Details
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- Definition Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 18 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-18 + Details
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- Details
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- Details
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