Earnings Per Share Components of Earnings Per Share (Details) - shares shares in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Earnings Per Share [Abstract]
Weighted Average Number of Shares Outstanding, Basic	89,263	89,407	89,294	89,505
Dilutive effect of potential common shares	184	159	154	141
Weighted Average Number of Shares Outstanding, Diluted	89,447	89,566	89,448	89,646