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Income Taxes - Additional Information (Details) - USD ($)
$ in Millions
 3 Months Ended 12 Months Ended
Dec. 31, 2022
Dec. 31, 2022
Dec. 31, 2021
Income Tax Examination [Line Items]      
Deferred tax liabilities $ 2.4 $ 2.4  
Accrued income taxes 0.9 0.9  
Unrecognized tax benefits 17.6 17.6 $ 29.1
Income tax penalties and interest expense   (6.9) 3.2
Accrued interest and penalties 5.0 5.0 15.7
Reduction for tax positions of prior years   (4.9)  
Decrease in liability for uncertain tax positions (12.3) (9.3)  
Deferred tax assets 2.4 2.4  
US State      
Income Tax Examination [Line Items]      
Operating loss carryforwards, valuation allowance 54.9 54.9  
US Federal      
Income Tax Examination [Line Items]      
Tax credit carryforward, valuation allowance 10.6 10.6  
Danish Tax Authority (SKAT) | Danish Tax Authority      
Income Tax Examination [Line Items]      
Tax deposit paid   1.5  
Danish Tax Authority (SKAT) | Tax Years After 2011 | Danish Tax Authority      
Income Tax Examination [Line Items]      
Deferred tax assets, net $ 21.6 $ 21.6 $ 15.5