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Earnings Per Share (Tables)
12 Months Ended
Dec. 31, 2015
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 operations for the years ended December 31, 2015, 2014, and 2013, as well as common stock issued and outstanding as of the end of the respective periods (in thousands):

 
2015
 
2014
 
2013
Weighted-average common shares—basic
150,538

 
154,452

 
165,013

Plus incremental weighted-average shares resulting from the assumed conversion of time-vested restricted stock awards
342

 
133

 
124

Weighted-average common shares—diluted
150,880

 
154,585

 
165,137

 
 
 
 
 
 
Common stock issued and outstanding as of period end
145,512

 
154,324

 
157,461