EARNINGS PER SHARE (Tables)

6 Months Ended

12 Months Ended

Jun. 30, 2013

Dec. 31, 2012

Earnings Per Share [Abstract]

Effect of potentially dilutive stock outstanding

The effect of potentially dilutive stock outstanding as of June 30, 2013 and 2012 are as follows (in thousands, except per share data):

	Three months ended June 30, 2013								Six months ended June 30, 2013
	Income (Numerator)			Shares (Denominator)		Per-Share Amount			Income (Numerator)			Shares (Denominator)		Per-Share Amount
Basic EPS
Net income (loss) available to common stockholders	$	(35,040	)		99,833	$	(0.35	)	$	(22,770	)		94,918	$	(0.24	)
Effect of Dilutive Securities
Equity awards		—			—					—			—
Diluted EPS
Net income (loss) available to common stockholders	$	(35,040	)		99,833	$	(0.35	)	$	(22,770	)		94,918	$	(0.24	)

	Three months ended June 30, 2013						Six months ended June 30, 2012
	Income (Numerator)		Shares (Denominator)		Per-Share Amount		Income (Numerator)		Shares (Denominator)		Per-Share Amount
Basic EPS
Net income (loss) available to common stockholders	$	22,973		89,631	$	0.26	$	26,948		89,611	$	0.30
Effect of Dilutive Securities
Equity awards		—		102				—		166
Diluted EPS
Net income (loss) available to common stockholders	$	22,973		89,733	$	0.26	$	26,948		89,777	$	0.30

The effect of potentially dilutive stock outstanding for the years ended December 31, 2012, and 2011 are as follows (in thousands, except per share data):

	Year ended December 31, 2012
	(In thousands except for EPS)
	Income (Numerator)		Shares (Denominator)		Per-Share Amount
Basic EPS
Net income available to common shareholders	$	48,677		89,437	$	0.54
Effect of Dilutive Securities
Equity awards		—		166
Diluted EPS
Net income available to common shareholders	$	48,677		89,603	$	0.54

	Year ended December 31, 2011
	(In thousands except for EPS)
	Income (Numerator)		Shares (Denominator)		Per-Share Amount
Basic EPS
Net income available to common shareholders	$	93,499		89,383	$	1.05
Effect of Dilutive Securities
Equity awards		—		342
Diluted EPS
Net income available to common shareholders	$	93,499		89,725	$	1.04