Consolidated Statements of Changes In Stockholders' Equity (Parenthetical) - $ / shares	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Statement of Stockholders' Equity [Abstract]
Cash Dividends Paid, per Share (in dollars per share)	$ 0.270	$ 0.252	$ 0.540	$ 0.505
Stock Options Exercised (in shares)	3,733	15,337	15,878	22,264
Shares Issued Under the Directors' Stock Plan (in shares)	2,986	2,672	5,770	5,844
Shares Issued Under Employee Stock Purchase Plan (in shares)	3,935	3,648	7,561	7,917
Shares Issued for Dividend Reinvestment Plans (in shares)	15,235	12,366	29,152	25,015
Purchase of Treasury Stock (in shares)	16,311	5,101	76,552	5,101