Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2014

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

	Three months ended June 30, 2014
	Net Income (numerator)		Shares (denominator)	Per Share Amount
Basic EPS	$	26,472	87,728	$	0.30
Effect of restricted stock	—		172
Diluted EPS	$	26,472	87,900	$	0.30

	Three months ended June 30, 2013
	Net Income (numerator)		Shares (denominator)	Per Share Amount
Basic EPS	$	19,138	84,789	$	0.23
Effect of restricted stock	—		250
Diluted EPS	$	19,138	85,039	$	0.23

	Six months ended June 30, 2014
	Net Income (numerator)		Shares (denominator)	Per Share Amount
Basic EPS	$	40,551	87,716	$	0.46
Effect of restricted stock	—		192
Diluted EPS	$	40,551	87,908	$	0.46

	Six months ended June 30, 2013
	Net Income (numerator)		Shares (denominator)	Per Share Amount
Basic EPS	$	38,874	84,780	$	0.46
Effect of restricted stock	—		262
Diluted EPS	$	38,874	85,042	$	0.46