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Accounting For Income Taxes - Additional Information (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2018
Dec. 31, 2017
Components of Income Tax Expense (Benefit) [Line Items]          
Federal statutory tax rate 21.00% 21.00% 21.00% 21.00% 35.00%
State Tax Credit Carryforward [Member]          
Components of Income Tax Expense (Benefit) [Line Items]          
Tax credit carryforward, amount $ 13.6        
Tax credit carryforwards, net of valuation allowance 9.7        
Tax credit carryforward, valuation allowance $ (3.9)        
Minimum [Member] | State Tax Credit Carryforward [Member]          
Components of Income Tax Expense (Benefit) [Line Items]          
Tax credit carryforward, expiration date 2023        
Maximum [Member] | State Tax Credit Carryforward [Member]          
Components of Income Tax Expense (Benefit) [Line Items]          
Tax credit carryforward, expiration date 2036