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Federal Income Taxes (Details)
3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Federal Income Taxes [Abstract]        
Effective tax rate 12.00% 17.00% 6.00% 16.00%
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate     21.00%