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Income Taxes (Narrative) (Details)
12 Months Ended
Dec. 31, 2019
USD ($)
item
Dec. 31, 2018
Income Taxes [Abstract]    
Federal tax rate 21.00%  
Effective tax rate 15.50% 10.60%
Capital loss carryforward $ 0  
Operating loss carryforward $ 0  
Number of open exams | item 0