Consolidated Condensed Statements Of Changes In Stockholders' Equity (Parenthetical) - $ / shares	3 Months Ended
	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020
Statement of Stockholders' Equity [Abstract]
Common Stock, Dividends, Per Share, Cash Paid	$ 1.03	$ 1.03	$ 1.23	$ 1.02	$ 1.02	$ 1.22
Treasury Stock, Shares, Acquired	137,659					76,000
Stock Issued During Period, Shares, Restricted Stock Award, Gross	3,079	4,834	21,764	4,345	970	25,028