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Income Taxes (Schedule of Effective Income Tax Rate Reconciliation) (Details)
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Operating Loss Carryforwards [Line Items]      
U.S. federal statutory income tax rate 21.00% 21.00% 21.00%
State and local income taxes, net of federal benefit 20.00% 3.00% 4.00%
Effect of foreign operations (11.00%) (1.00%) 2.00%
Non-deductible compensation expenses (35.00%) 2.00% 1.00%
Excess tax deficiencies related to share-based compensation (5.00%) (1.00%) 2.00%
Changes in the valuation allowance (109.00%) 3.00% 10.00%
Tax expense relating to uncertain tax positions, including accrued interest, net of deferred tax benefits 16.00% 1.00% (1.00%)
Deferral of investment tax credit benefit 4.00% (1.00%) (1.00%)
Deemed liquidation - controlled foreign corporation 235.00% 0.00% 0.00%
Other 1.00% (2.00%) (2.00%)
Effective income tax rate 137.00% 25.00% 36.00%