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Income Taxes - Narrative (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Income Tax Contingency [Line Items]      
Cash paid for income taxes $ 1.5 $ 1.7 $ 1.6
Valuation allowance 113.0 91.1  
Increase in valuation allowance 21.9    
Valuation allowance that if recognized, would credit directly to contributed capital 14.4    
Accrued interest and penalties related to uncertain tax positions 0.1 0.1  
Uncertain tax positions that would impact effective tax rate 0.1 $ 0.1  
Interest Limitation      
Income Tax Contingency [Line Items]      
Capital loss carryforwards 397.5    
Domestic Tax Authority      
Income Tax Contingency [Line Items]      
Net operating loss carryforwards 573.0    
Subject to expiration 478.3    
State and Local Jurisdiction      
Income Tax Contingency [Line Items]      
Net operating loss carryforwards $ 594.9