Consolidated Statements of Changes In Stockholders' Equity (Parenthetical) - $ / shares	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Statement of Stockholders' Equity [Abstract]
Cash Dividends Paid, per Share (in dollars per share)	$ 0.26	$ 0.252
Exercised (in shares)	14,282	26,135
Shares Issued Under Employee Stock Purchase Plan (in shares)	3,648	3,709
Shares Issued for Dividend Reinvestment Plans (in shares)	16,001	13,132
Purchase of Treasury Stock (in shares)	50,021	40,852