Consolidated Statements of Changes in Stockholders' Equity (Parenthetical) - $ / shares		12 Months Ended
		Dec. 31, 2022		Dec. 31, 2021	Dec. 31, 2020
Statement of Stockholders' Equity [Abstract]
Stock dividend, percent		300.00%	[1]	300.00%	300.00%
Stock dividends (in shares)		623,848	[1]	605,670	588,025
Cash Dividends Paid (in dollars per share)	[2]	$ 1.06		$ 0.99	$ 0.96
Shares Issued for Stock Option Exercises, net (in shares)		28,052		54,757	33,112
Shares Issued Under Directors Stock Plan (in shares)		12,933		11,051	4,245
Shares Issued Under the Employee Stock Purchase Plan (in shares)		15,207		14,903	18,286
Shares Issued for Dividend Reinvestment Plans (in shares)		57,745		51,403	63,425
Purchase of Treasury Stock (in shares)		84,132		73,555	52,505
Treasury Stock, Shares (in shares)		4,872,355		4,759,414

[1] Included in the shares issued for the 3% stock dividend in 2022 were treasury shares of 142,746

[2] Cash dividends paid per share have been adjusted for the September 23, 2022 3% stock dividend.