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Quarterly Financial Data (Unaudited)
 12 Months Ended
Dec. 31, 2016
Quarterly Financial Data (Unaudited) [Abstract]  
Quarterly Financial Data (Unaudited)
(11)  Quarterly Financial Data (Unaudited)

Selected quarterly financial data and earnings per share of the Company are presented below for the years ended December 31, 2016 and 2015 (in thousands, except per share data):

      
Earnings (Loss) from
       
      
Continuing Operations
  
Net Earnings (Loss)
  
Dividends
 
   
Revenues
  
Amount
  
Per Share
  
Amount
  
Per Share
  
Amount
  
Per Share
 
                    
2016
                   
March 31
  
$
250,531
  
$
1,554
  
$
.37
  
$
1,430
  
$
.34
  
$
928
  
$
.22
 
June 30
   
293,163
   
3,540
   
.84
   
3,404
   
.81
   
928
   
.22
 
September 30
   
256,877
   
(983
)
  
(.23
)
  
(2,153
)
  
(.51
)
  
928
   
.22
 
December 31
   
298,969
   
(168
)
  
(.04
)
  
(168
)
  
(.04
)
  
927
   
.22
 
Total
  
$
1,099,540
  
$
3,943
  
$
.94
  
$
2,513
  
$
.60
  
$
3,711
  
$
.88
 
                              
 
2015 -
                             
March 31
  
$
555,573
  
$
3,097
  
$
.73
  
$
3,097
  
$
.73
  
$
928
  
$
.22
 
June 30
   
600,558
   
4,340
   
1.03
   
4,340
   
1.03
   
928
   
.22
 
September 30
   
439,893
   
(308
)
  
(.07
)
  
(308
)
  
(.07
)
  
928
   
.22
 
December 31
   
348,255
   
(8,404
)
  
(1.99
)
  
(8,404
)
  
(1.99
)
  
928
   
.22
 
Total
  
$
1,944,279
  
$
(1,275
)
 
$
(.30
)
 
$
(1,275
)
 
$
(.30
)
 
$
3,712
  
$
.88
 

The above unaudited interim financial data reflect all adjustments that are in the opinion of management necessary to a fair statement of the results for the period presented.  All such adjustments are of a normal recurring nature.