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Weighted Average Common Shares (Tables)
3 Months Ended
Mar. 31, 2021
Earnings Per Share [Abstract]  
Schedule of reconciliation weighted average common shares to calculate basic and diluted earnings per share
The following table provides a reconciliation of the weighted average number of common shares used in the calculation of basic and diluted earnings per share:
For the Three Months Ended March 31,
20212020
(in thousands)
Weighted average common shares for basic earnings per share164,498 164,370 
Effect of dilutive securities: Unvested share awards— — 
Weighted average common shares for diluted earnings per share164,498 164,370