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Equity Compensation and Employee Benefit Plans (Schedule of Equity Compensation Restricted Stock Activity) (Details) - Restricted Stock
shares in Thousands
12 Months Ended
Dec. 31, 2020
$ / shares
shares
Equity Compensation [Abstract]  
Number of shares nonvested at beginning of period | shares 369
Number of shares granted | shares 181
Number of shares vested | shares (137)
Number of shares forfeited | shares (46)
Number of shares nonvested at end of period | shares 367
Weighted average grant date fair value nonvested at beginning of period | $ / shares $ 32.83
Weighted average grant date fair value shares granted | $ / shares 38.73
Weighted average grant date fair value shares vested | $ / shares 31.83
Weighted average grant date fair value shares forfeited | $ / shares 35.43
Weighted average grant date fair value nonvested at end of period | $ / shares $ 35.78