Commitments and Contingencies - Reorganization (Details) - Restructuring Plan - Employee severance - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Jun. 30, 2021	Dec. 31, 2021
Restructuring Cost and Reserve [Line Items]
Severance Costs	$ 8.3
Discontinued Operations
Restructuring Cost and Reserve [Line Items]
Severance Costs		$ 0.2
Cost of revenue
Restructuring Cost and Reserve [Line Items]
Severance Costs		0.6
Sales and marketing
Restructuring Cost and Reserve [Line Items]
Severance Costs		5.3
Technology and development
Restructuring Cost and Reserve [Line Items]
Severance Costs		1.6
General and administrative
Restructuring Cost and Reserve [Line Items]
Severance Costs		$ 0.8