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Business Combinations and Disposals - Disposals (Details) $ in Millions		3 Months Ended	12 Months Ended
	May 29, 2020 USD ($)	Sep. 30, 2020 item	Dec. 31, 2021 item	Dec. 31, 2020
Business Acquisition [Line Items]
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal, Statement of Income or Comprehensive Income [Extensible Enumeration]				Gain (Loss) on Disposition of Business
Number of acquisitions \| item		2	5
Serviz.com, Inc. ("Serviz") Acquisition \| Disposal Group, Disposed of by Means Other than Sale, Not Discontinued Operations
Business Acquisition [Line Items]
Consideration received	$ 5.0
Fair value of notes cancelled	2.7
Net Assets	1.3
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal	$ 1.4