Annual report pursuant to Section 13 and 15(d)

Employee Benefit Plans and Other (Details)

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Employee Benefit Plans and Other (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Disclosure Text Block [Abstract]      
Contributions by employer $ 0.9 $ 0.8 $ 0.7
Employee-related liabilities, current $ 1.3 $ 2.8