Summary Of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2019

Summary Of Significant Accounting Policies [Abstract]

Net Income Per Common Share

	For the Years Ended December 31,
	2019		2018		2017
Weighted average common shares and equivalents
outstanding:
Basic weighted average common
shares outstanding		174,287		173,969	173,613
Net effect of dilutive stock options -
based on treasury stock method		243		328	538
Diluted weighted average common
shares outstanding		174,530		174,297	174,151