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Leases - Narratives (Details)
$ in Millions
 3 Months Ended 12 Months Ended
Mar. 31, 2022
USD ($)
facility
Mar. 31, 2021
USD ($)
Dec. 31, 2021
USD ($)
Leases [Abstract]      
Right of use assets $ 24.6   $ 27.3
Operating lease liability 24.5   27.2
Operating lease liabilities, current $ 5.6   5.8
Weighted average lease term (in years) 4 years 7 months 6 days    
Operating lease weighted average discount rate (percent) 2.40%    
Operating lease rent expense $ 3.4 $ 3.0  
Number of operating contracts | facility 8    
Short-term net investment in sales type leases $ 10.4   9.3
Long-term net investment in sales type leases 33.8   31.9
Sales-type lease, interest income $ 0.5   $ 0.5