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Quarterly Financial Data (Unaudited)
 12 Months Ended
Dec. 31, 2015
Quarterly Financial Information Disclosure [Abstract]  
Quarterly Financial Data (Unaudited)
Quarterly Financial Data (Unaudited)
Quarterly results of our operations for the years ended December 31, 2015 and 2014 are summarized below:
 
Fourth
Quarter
 
Third
Quarter
 
Second
Quarter
 
First
Quarter
2015
 
 
 
 
 
 
 
Revenues
$
208,267

 
$
212,074

 
$
204,565

 
$
194,296

Net income (loss)
$
50,641

 
$
(13,989
)
 
$
41,808

 
$
43,269

Basic earnings (loss) per share:
 
 
 
 
 
 
 
Net income (loss)
$
0.63

 
$
(0.17
)
 
$
0.51

 
$
0.53

Diluted earnings (loss) per share:
 
 
 
 
 
 
 
Net income (loss)
$
0.63

 
$
(0.17
)
 
$
0.51

 
$
0.53

 
 
 
 
 
 
 
 
2014
 
 
 
 
 
 
 
Revenues
$
238,257

 
$
177,596

 
$
226,146

 
$
176,603

Net income
$
72,764

 
$
19,151

 
$
3,136

 
$
5,777

Basic earnings per share:
 
 
 
 
 
 
 
Net income
$
0.90

 
$
0.24

 
$
0.04

 
$
0.07

Diluted earnings per share:
 
 
 
 
 
 
 
Net income
$
0.90

 
$
0.24

 
$
0.04

 
$
0.07


The sum of the quarterly earnings per share amounts may not equal the annual amount reported since per share amounts are computed independently for each period presented.