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Earnings (Loss) Per Share
 9 Months Ended
Sep. 30, 2017
Earnings Per Share [Abstract]  
Earnings (Loss) Per Share
Earnings (Loss) Per Share
Earnings (Loss) Per Share
The following table sets forth the computation of earnings (loss) per common share and earnings (loss) per common share - assuming dilution:
 
Three Months Ended 
 September 30,
 
Nine Months Ended 
 September 30,
 
2017
 
2016
 
2017
 
2016
 
(Dollars in thousands, except per share data)
Numerator:
 
 
 
 
 
 
 
Net income (loss) - numerator for earnings (loss) per common share
$
56,957

 
$
(7,420
)
 
$
137,842

 
$
(37,553
)
 
 
 
 
 
 
 
 
Denominator:
 
 
 
 
 
 
 
Weighted average common shares outstanding (1)
89,068,770

 
86,261,692

 
88,872,562

 
83,645,427

Effect of dilutive securities:
 
 
 
 
 
 
 
2015 warrants
—

 
—

 
—

 
20,219

Stock options and deferred compensation agreements
974,208

 
424,875

 
924,465

 
423,498

Restricted stock and restricted stock units
377,552

 
357,359

 
373,993

 
323,409

Denominator for earnings (loss) per common share - assuming dilution
90,420,530

 
87,043,926

 
90,171,020

 
84,412,553

 
 
 
 
 
 
 
 
Earnings (loss) per common share
$
0.64

 
$
(0.09
)
 
$
1.55

 
$
(0.45
)
Earnings (loss) per common share - assuming dilution
$
0.63

 
$
(0.09
)
 
$
1.53

 
$
(0.45
)


(1)
Weighted average common shares outstanding include shares vested under the NMO Deferred Compensation Plan.
Options to purchase shares of our common stock that were outstanding during the respective periods indicated but were not included in the computation of diluted earnings (loss) per share because the options' exercise price was greater than the average market price of the common shares are as follows:
Period
 
Number of
Shares
 
Range of
Exercise Prices
 
 
 
 
Minimum
 
Maximum
Three months ended September 30, 2017
 
—
 
$—
 
$—
Three months ended September 30, 2016
 
1,058,491
 
$24.79
 
$24.79
Nine months ended September 30, 2017
 
—
 
$—
 
$—
Nine months ended September 30, 2016
 
1,058,491
 
$24.79
 
$24.79