XML 49 R30.htm IDEA: XBRL DOCUMENT v3.8.0.1
Weighted Average Common Shares (Tables)
12 Months Ended
Dec. 31, 2017
Earnings Per Share [Abstract]  
Schedule of Weighted Average Number of Shares
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 (in thousands):
 
Year Ended December 31,
 
2017
 
2016
 
2015
Weighted average common shares for basic earnings per share
237,420

 
237,345

 
232,931

Effect of dilutive securities: restricted share awards
32

 
37

 
32

Weighted average common shares for diluted earnings per share
237,452

 
237,382

 
232,963