Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2015

Earnings Per Share [Abstract]

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

The reconciliations of the denominators of the basic and diluted earnings per share computations are as follows (in thousands):

	Three Months Ended September 30,		Nine Months Ended September 30,
	2015	2014	2015	2014
Weighted-average common shares outstanding—basic	88,766	78,203	82,633	78,170
Dilutive effect of potential common shares	—	2,022	—	1,807
Weighted-average common shares outstanding—diluted	88,766	80,225	82,633	79,977