CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS' EQUITY (Parenthetical) - $ / shares	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS' EQUITY [Abstract]
Purchase of treasury stock (in shares)	5,554	4,505	14,756	27,917
Restricted stock (in shares)	5,331	6,447	5,419	6,651
Cash dividend reinvestment paid from treasury stock (in shares)		6,120		10,276
Cash dividends (in dollars per share)	$ 0.460	$ 0.446	$ 0.920	$ 0.989