Consolidated Statements of Changes In Stockholders' Equity (Parenthetical) - $ / shares	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Statement of Stockholders' Equity [Abstract]
Cash Dividends Paid, per Share (in dollars per share)	$ 0.270	$ 0.252
Stock Options Exercised (in shares)	12,145	6,927
Shares Issued Under the Directors' Stock Plan (in shares)	2,784	3,172
Shares Issued Under Employee Stock Purchase Plan (in shares)	3,626	4,269
Shares Issued for Dividend Reinvestment Plans (in shares)	13,917	12,649
Purchase of Treasury Stock (in shares)	60,241