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Employee Benefits (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 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 $ 0.5 $ 0.5 $ 1.7 $ 1.6  
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate 3.80%   3.80%   3.80%
Defined Benefit Plan, Benefit Obligation $ 2.3   $ 2.3   $ 2.2
Pension Cost 0.0 $ 0.0 0.0 $ 0.0  
Deferred compensation plan assets 5.5   5.5   4.5
Deferred compensation plan liabilities $ 5.7   $ 5.7   $ 4.6