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Stockholder's Equity Valuation Assumptions (Details) - Stock Options
6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Risk-free interest rate 0.00% 1.93%
Expected volatility 0.00% 36.95%
Expected life (in years) 0 years 4 years 3 months 7 days
Dividend yield 0.00% 0.00%