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Earnings Per Share (Tables)
 9 Months Ended
Sep. 30, 2019
Earnings Per Share [Abstract]  
Schedule of Weighted Average Number of Shares
The following table reconciles the denominator for the basic and diluted earnings per share computations shown on the consolidated statements of income for the three and nine months ended September 30, 2019 and 2018, respectively (in thousands):

 Three Months EndedNine Months Ended
 September 30, 2019September 30, 2018September 30, 2019September 30, 2018
Weighted-average common shares – basic125,783128,371125,684130,837
Plus: Incremental weighted-average shares from time-vested deferred and performance stock awards
457448506350
Weighted-average common shares – diluted126,240128,819126,190131,187