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Employee Benefits - 401(k) Plan (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Employee Benefits      
Minimum period of continuous service required under 401(k) plan 6 months    
Employer's match of the first 6% of employee's contributions (as a a percent) 25.00%    
Percentage of eligible compensation, matched 25% by employer 6.00%    
Employee compensation and benefits      
Employee Benefits      
Expense recorded under 401(k) plan $ 1.6 $ 0.8 $ 0.8