Annual report pursuant to Section 13 and 15(d)

Income Tax - Net Operating Loss and Credit Carryforwards, Uncertain Tax Positions (Details)

v3.22.0.1
Income Tax - Net Operating Loss and Credit Carryforwards, Uncertain Tax Positions (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Income Tax Contingency [Line Items]    
Interest and penalties $ 2.4 $ 1.9
Unrecognized tax benefits that would impact the effective tax rate 2.2 1.8
Reversal of unrecognized tax benefits in subsequent period 0.0 $ 0.0
Meetrics GmbH    
Income Tax Contingency [Line Items]    
Net operating loss carryforwards 5.0  
Domestic    
Income Tax Contingency [Line Items]    
Net operating loss carryforwards 20.2  
Net operating loss carryforwards subject to expiration 3.2  
Domestic | Open Slate    
Income Tax Contingency [Line Items]    
Net operating loss carryforwards 18.3  
State    
Income Tax Contingency [Line Items]    
Net operating loss carryforwards 40.4  
Net operating loss carryforwards subject to expiration 2.7  
State | Open Slate    
Income Tax Contingency [Line Items]    
Net operating loss carryforwards $ 31.1