CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS' EQUITY (UNAUDITED) (Parenthetical) - $ / shares	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Consolidated Statement of Changes in Stockholders' Equity [Abstract]
Purchase of treasury stock (in shares)	12,483		40,400	20,620
Restricted stock (in shares)	3,018		9,669
Cash dividend reinvestment paid from treasury stock (in shares)	5,128		15,404
Cash dividends (in dollars per share)	$ 0.460	$ 0.445	$ 1.460	$ 1.317