Earnings per Share (Tables)

9 Months Ended

Sep. 30, 2013

Earnings Per Share [Abstract]

Schedule of Calculation of Numerator and Denominator in Earnings Per Share [Table Text Block]

A reconciliation of the numerator (net income) and denominator (weighted average number of shares outstanding of the basic and diluted earnings per share ("EPS")) for the three months and nine months ended September 30, 2013 and September 30, 2012 is as follows (in thousands, except per share data):

	Three months ended September 30, 2013
	Net Income (numerator)		Shares (denominator)	Per Share Amount
Basic EPS	$	15,868	84,837	$	0.19
Effect of restricted stock	—		201
Diluted EPS	$	15,868	85,038	$	0.19

	Three months ended September 30, 2012
	Net Income (numerator)		Shares (denominator)	Per Share Amount
Basic EPS	$	12,434	85,646	$	0.15
Effect of restricted stock	—		279
Diluted EPS	$	12,434	85,925	$	0.14

	Nine months ended September 30, 2013
	Net Income (numerator)		Shares (denominator)	Per Share Amount
Basic EPS	54,740		84,799	0.65
Effect of restricted stock	—		242
Diluted EPS	$	54,740	85,041	$	0.64

	Nine months ended September 30, 2012
	Net Income (numerator)		Shares (denominator)	Per Share Amount
Basic EPS	$	47,249	86,189	$	0.55
Effect of restricted stock	—		319
Diluted EPS	$	47,249	86,508	$	0.55