EMPLOYEE AND POSTRETIREMENT BENEFIT PLANS - Stock Option Activity (Details) - $ / shares	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Outstanding, beginning of year (in shares)	24,218	57,111	75,897
Granted (in shares)	0	0	0
Exercised (in shares)	(13,654)	(22,429)	(17,222)
Forfeited (in shares)	0	(3,156)	(1,564)
Expired (in shares)	0	(7,308)	0
Outstanding, end of year (in shares)	10,564	24,218	57,111
Options exercisable at year-end (in shares)	10,564	24,218	57,111
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]
Outstanding, beginning of year (in dollars per share)	$ 20.01	$ 18.92	$ 18.69
Exercised (in dollars per share)	19.67	18.96	18.25
Forfeited (in dollars per share)		19.20	15.06
Expired (in dollars per share)		15.06
Outstanding, end of year (in dollars per share)	20.45	20.01	18.92
Options exercisable at year-end (in dollars per share)	$ 20.45	20.01	18.92
Weighted-average fair value of options forfeited (in dollars per share)		$ 4.59	$ 4.26