Consolidated Condensed Statements Of Changes In Stockholders' Equity (Parenthetical) - $ / shares	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Statement of Stockholders' Equity [Abstract]
Common Stock, Dividends, Per Share, Cash Paid	$ 1.01	$ 0.94	$ 2.22	$ 2.15
Stock Issued During Period, Shares, Acquisitions	1,037,205	0	1,037,205	0
Treasury Stock, Shares, Acquired	250,000	50,000	336,650	50,000
Stock Issued During Period, Shares, Restricted Stock Award, Gross	0	0	27,719	18,800