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Net (Loss) Income Per Share
 12 Months Ended
Dec. 31, 2019
Earnings Per Share [Abstract]  
Net (Loss) Income Per Share Net (Loss) Income Per Share
Basic net (loss) income per common share is computed using the weighted-average number of common shares outstanding during the period.  Diluted net income per common share is computed using the weighted-average number of common and dilutive common equivalent shares from stock options and restricted stock using the treasury stock method.
The following table sets forth the computation of basic and diluted net income per share (in thousands except for share and per share data):
 
Year Ended December 31,
 
2019
 
2018
 
2017
Net (loss) income
$
(25,580
)
 
$
(29,979
)
 
$
64,727

Denominator for basic earnings (loss) per share - weighted average shares
106,946,384

 
105,596,256

 
106,121,810

Effect of dilutive securities: Stock options and restricted stock (a)
2,135,806

 
3,538,921

 
9,991,926

Denominator for diluted (loss) earnings per share - weighted average shares adjusted for dilutive securities
106,946,384

 
105,596,256

 
116,113,736

(Loss) income per common share - basic
$
(0.24
)
 
$
(0.28
)
 
$
0.61

(Loss) income per common share - diluted
$
(0.24
)
 
$
(0.28
)
 
$
0.56

(a)Securities that are included in the computation of the denominator above, utilizing the treasury stock method for the years ended December 31, 2019, 2018 and 2017 are as follows:    
Effect of dilutive securities:
2019
 
2018
 
2017
Stock options
978,243

 
3,172,943

 
7,813,153

Restricted stock awards
1,157,563

 
365,978

 
2,178,773

 
2,135,806

 
3,538,921

 
9,991,926