General form of registration statement for all companies including face-amount certificate companies

Income Tax - Reconciliation (Details)

v3.21.2
Income Tax - Reconciliation (Details)
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Effective income tax rate reconciliation                
Statutory federal tax rate         21.00% 21.00% 21.00% 35.00%
State taxes 0.00%   60.20%   (7.50%) 11.10% (45.50%)  
Tax credits         (7.30%) (2.20%)    
Foreign taxes         (1.80%) 0.70% 12.80%  
Nondeductible items and other         (2.40%) 1.10% 16.30%  
Change in valuation allowance         2.30%   4.40%  
Change in statutory rates             (83.10%)  
Changes in tax reserves         8.60% 0.40% 15.30%  
Provision to return adjustment         (13.50%)   (1.60%)  
Global Intangible Low Tax Income         1.10% 1.90%    
Noncash compensation         (18.70%) 0.10%    
Effective tax rate 29.20% 31.10% 89.30% 13.80% (18.20%) 34.10% (60.40%)