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Income Taxes (Reconciliation of Income Tax Rate) (Details) | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022
Income Tax Disclosure [Abstract] |  |
Statutory U.S. federal income tax rate | 21.00% | 21.00%
State income taxes, net of federal tax benefit | 0.50% | 0.40%
Valuation allowance | (18.50%) | (5.80%)
Provision to return | (0.60%) | (0.20%)
Foreign rate differential | (2.20%) | (1.50%)
Foreign tax adjustments | 0.00% | (1.10%)
Deferred tax adjustments | 0.60% | (17.90%)
Nondeductible expenses and other | (7.60%) | (1.20%)
Effective income tax rate | (6.80%) | (6.30%)

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