Quarterly report pursuant to Section 13 or 15(d)

EQUITY AND EARNINGS PER SHARE (Earnings Per Share) (Details)

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EQUITY AND EARNINGS PER SHARE (Earnings Per Share) (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Numerator for basic and diluted earnings per share:    
(Loss) Income Applicable to Common Stockholders $ (14,349) $ 72,024
Denominator:    
Denominator for basic earnings per share - weighted average shares (in shares) 66,841,977 66,654,598
Effect of dilutive securities    
Options (in shares)   1,630,300
Denominator for diluted earnings per share - adjusted weighted average shares (in shares) 66,841,977 68,284,898
Basic earnings per share:    
(Loss) Income Applicable to Common Stock, per share (in dollars per share) $ (0.21) $ 1.08
Diluted earnings per share:    
(Loss) Income Applicable to Common Stock, per share (in dollars per share) $ (0.21) $ 1.05