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Income Taxes (Tables)
3 Months Ended
Mar. 31, 2023
Income Tax Disclosure [Abstract]  
Schedule of effective income tax rate reconciliation
Three months ended March 31,
20232022
U.S. federal statutory tax rate
21.0 %21.0 %
State income taxes, net of federal benefit
— 0.1 
Non-U.S. income taxed at different rates
0.1 0.2 
Increase (reduction) in tax benefit related to stock-based awards0.4 (0.1)
Increase in valuation allowance
(20.4)(20.8)
Permanent differences
(1.1)(0.4)
Non-deductible expenses0.1 — 
Effective income tax rate
— %— %