CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS' EQUITY (Parenthetical) - $ / shares	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS' EQUITY [Abstract]
Purchase of treasury stock (in shares)	727	12,483	15,483	40,400
Restricted stock (in shares)	1,234	3,018	6,653	9,669
Cash dividend reinvestment paid from treasury stock (in shares)		5,128		15,404
Cash dividends (in dollars per share)	$ 0.470	$ 0.456	$ 1.391	$ 1.445