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Employee Benefits (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Dec. 31, 2022
Employee Benefits      
Defined Contribution Plan, Employer Matching Contribution, Percent of Match 50.00%    
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay 6.00%    
Defined Contribution Plan, Employer Discretionary Contribution Amount $ 0.6 $ 0.6  
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate 3.75%    
Defined Benefit Plan, Benefit Obligation $ 2.3   $ 2.2
Pension Cost 0.0 $ 0.0  
Deferred compensation plan assets 4.9   4.5
Deferred compensation plan liabilities $ 5.0   $ 4.6