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Income Taxes (Details)
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Effective Income Tax Rate Reconciliation, Percent        
Statutory tax rate (as a percent) 21.00% 21.00% 21.00% 21.00%