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Earnings Per Share (Tables)
6 Months Ended
Jun. 30, 2018
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 six months ended June 30, 2018 and 2017, respectively (in thousands):

 
Three Months Ended
 
Six Months Ended
 
June 30, 2018
 
June 30, 2017
 
June 30, 2018
 
June 30, 2017
Weighted-average common shares – basic
128,346
 
145,413
 
132,091
 
145,350
Plus: Incremental weighted-average shares from time-vested deferred and performance stock awards
355
 
400
 
341
 
430
Weighted-average common shares – diluted
128,701
 
145,813
 
132,432
 
145,780
 
 
 
 
 
 
 
 
Common stock issued and outstanding as of period end
 
 
 
 
128,371
 
145,490