Consolidated Condensed Statements Of Changes In Stockholders' Equity (Parenthetical) - $ / shares	3 Months Ended						9 Months Ended
	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Sep. 30, 2019	Sep. 30, 2018
Statement of Stockholders' Equity [Abstract]
Common Stock, Dividends, Per Share, Cash Paid	$ 1.01	$ 1.01	$ 1.21	$ 0.96	$ 1.21	$ 0.94
Stock Issued During Period, Shares, Acquisitions	0	1,037,205	0	435,457	0	0	1,037,205
Treasury Stock, Shares, Acquired	84,603	250,000	86,650	0	50,000	0
Stock Issued During Period, Shares, Restricted Stock Award, Gross	0	0	27,719	0	0	18,800