Commitments and Contingencies - Legal Proceedings (Details) $ in Millions		12 Months Ended
	Dec. 19, 2016 USD ($)	Dec. 31, 2023 claim defendant
CBIZ Operations and former employee of CBIZ MMP
Commitments And Contingencies [Line Items]
Total transaction price	$ 200.0
CBIZ Operations and former employee of CBIZ MMP | Maximum
Commitments And Contingencies [Line Items]
Amount of damages sought (up to)	$ 177.0
MOVEit Customer Data Security Breach Litigation
Commitments And Contingencies [Line Items]
Number of claims filed | claim		180
Number of defendants | defendant		100