Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2016

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 March 31,
	2016	2015
Weighted-average common shares outstanding—basic	88,833	78,271
Dilutive effect of potential common shares	—	3,195
Weighted-average common shares outstanding—diluted	88,833	81,466