Consolidated Condensed Statements Of Changes In Stockholders' Equity (Parenthetical) - $ / shares	3 Months Ended						9 Months Ended
	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Sep. 30, 2019
Statement of Stockholders' Equity [Abstract]
Common Stock, Dividends, Per Share, Cash Paid	$ 1.02	$ 1.02	$ 1.22	$ 1.01	$ 1.01	$ 1.21
Stock Issued During Period, Shares, Acquisitions					1,037,205		1,037,205
Treasury Stock, Shares, Acquired			76,000	84,603	250,000	86,650
Stock Issued During Period, Shares, Restricted Stock Award, Gross	4,345	970	25,028			27,719