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Retirement Plans - Defined Contribution Plan (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Defined contribution plan disclosures      
Employer's matching contribution for every dollar the employees contribute (as a percent) 50.00%    
Employer's matching contribution, vesting period (in years) 5 years    
Aggregate employer's contribution to pension plans $ 3.0 $ 2.6 $ 2.4
Maximum      
Defined contribution plan disclosures      
Employer's contribution as a percentage of employee's eligible compensation 3.00%