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Income Taxes (Reconciliation of U.S. Federal Statuatory Rate to our Effective Rate) (Details)
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Income Tax Disclosure [Abstract]    
Federal statutory rate 21.00% 21.00%
Impact of foreign earnings (27.00%) 3.00%
Change in valuation allowance 28.00% 24.00%
Tax contingencies, net of reversals 13.00% (5.00%)
Corporate restructuring (11.00%) (38.00%)
Expiration of tax attributes (12.00%) (6.00%)
Permanent items (2.00%) 4.00%
Research and development credits 4.00% 2.00%
Stock-based compensation (4.00%) (1.00%)
Other (5.00%) (3.00%)
Effective income tax rate 5.00% 1.00%