Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2021

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):

	Years Ended December 31,
	2021	2020	2019
Weighted average common shares outstanding—basic	89,481	89,485	89,353
Dilutive potential common shares	146	160	206
Weighted average common shares outstanding—diluted	89,627	89,645	89,559