Summary of Significant Accounting Policies (Details) - shares shares in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Accounting Policies [Abstract]
Weighted average common shares outstanding for basic earnings (loss) per share	116,155	116,643	116,036	116,541
Dilutive effect of options and restricted stock units	0	333	0	453
Diluted weighted average common shares outstanding	116,155	116,976	116,036	116,994