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Earnings Per Share (Tables)
6 Months Ended
Jun. 30, 2017
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, 2017 and 2016, respectively (in thousands):

 
Three Months Ended
 
Six Months Ended
 
June 30, 2017
 
June 30, 2016
 
June 30, 2017
 
June 30, 2016
Weighted-average common shares – basic
145,413
 
145,179
 
145,350
 
145,228
Plus: Incremental weighted-average shares from time-vested deferred and performance stock awards

400
 
520
 
430
 
537
Weighted-average common shares – diluted
145,813
 
145,699
 
145,780
 
145,765
 
 
 
 
 
 
 
 
Common stock issued and outstanding as of period end
 
 
 
 
145,490
 
145,230