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Income Taxes (Summary of Changes in Deferred Tax Asset Valuation Allowance) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Valuation Allowance [Line Items]      
Balance at beginning of year $ 34,769 $ 31,974 $ 29,184
Balance at end of year 37,862 34,769 31,974
Acquisition- related change      
Valuation Allowance [Line Items]      
Valuation allowance, deferred tax asset, increase (decrease), amount 0 0 893
Charges to expense      
Valuation Allowance [Line Items]      
Valuation allowance, deferred tax asset, increase (decrease), amount $ 3,093 $ 2,795 $ 1,897