Business Segment Information (Narrative) (Details)	12 Months Ended
	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