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Quarterly Financial Information
 12 Months Ended
Dec. 31, 2016
Quarterly Financial Information Disclosure [Abstract]  
Quarterly Financial Information

18. Quarterly Financial Information (in thousands, except per share amounts) (unaudited)

 

 

 

1st

 

 

2nd

 

 

3rd

 

 

4th

 

 

 

Quarter

 

 

Quarter

 

 

Quarter

 

 

Quarter

 

2016

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Operating revenues

 

$

268,939

 

 

$

193,907

 

 

$

206,133

 

 

$

246,887

 

Operating loss

 

 

(95,259

)

 

 

(124,332

)

 

 

(123,409

)

 

 

(113,226

)

Net loss

 

 

(70,503

)

 

 

(85,866

)

 

 

(84,143

)

 

 

(78,122

)

Net loss per common share:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Basic

 

$

(0.48

)

 

$

(0.58

)

 

$

(0.58

)

 

$

(0.53

)

Diluted

 

$

(0.48

)

 

$

(0.58

)

 

$

(0.58

)

 

$

(0.53

)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2015

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Operating revenues

 

$

657,699

 

 

$

472,761

 

 

$

422,251

 

 

$

338,566

 

Operating income (loss)

 

 

24,103

 

 

 

(24,764

)

 

 

(329,515

)

 

 

(76,796

)

Net income (loss)

 

 

9,125

 

 

 

(18,975

)

 

 

(225,978

)

 

 

(58,658

)

Net income (loss) per common share:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Basic

 

$

0.06

 

 

$

(0.13

)

 

$

(1.54

)

 

$

(0.40

)

Diluted

 

$

0.06

 

 

$

(0.13

)

 

$

(1.54

)

 

$

(0.40

)