XML 59 R45.htm IDEA: XBRL DOCUMENT v3.8.0.1
Quarterly Financial Data (unaudited) (Tables)
 12 Months Ended
Dec. 31, 2017
Quarterly Financial Information Disclosure [Abstract]  
Quarterly Financial Data
   
Quarters Ended
   
December 31
 
September 30
 
June 30
 
March 31
2017
 
 
 
 
 
 
 
Operating revenue
$
21,562

 
$
33,654

 
$
30,383

 
$
13,197

Operating (loss) income
$
(1,884
)
 
$
4,453

 
$
4,663

 
$
(4,897
)
Net income attributable to the Company
$
38,503

 
$
5,943

 
$
10,764

 
$
4,368

Basic and diluted income per share attributable to the Company (1)
$
0.58

 
$
0.08

 
$
0.15

 
$
0.06

2016
 
 
 
 
 
 
 
Operating revenue
$
18,747

 
$
27,192

 
$
29,551

 
$
20,254

Operating (loss) income
$
(881
)
 
$
1,595

 
$
2,143

 
$
(897
)
Net income attributable to the Company
$
2,709

 
$
2,711

 
$
1,810

 
$
8,665

Basic and diluted income per share attributable to the Company (1)
$
0.04

 
$
0.04

 
$
0.02

 
$
0.11

    
(1)
Quarterly and year-to-date computations of per share amounts are made independently. Therefore, the sum of per share amounts for the quarters may not be consistent with the per share amounts for the year.