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Stock-Based Compensation (Schedule of Estimated Fair Value of Options) (Details) - Market Based Share Awards [Member] - Monte Carlo Option-Pricing Model [Member]
12 Months Ended
Dec. 31, 2020
$ / shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Volatility 25.00%
Stock price $ 10.60
Dividend yield 7.40%
Risk free interest rate, minimum 0.89%
Risk free interest rate, maximum 1.81%