STOCK OPTIONS - Schedule of Qualified Stock Option Activity (Details) - Qualified Stock Options - $ / shares	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Shares
Options outstanding at beginning of year (in shares)	75,862	84,647	87,610
Granted (in shares)	17,519	14,425	17,625
Exercised (in shares)	(18,430)	(21,260)	(14,780)
Canceled (in shares)	(5,899)	(1,950)	(5,808)
Options outstanding at end of year (in shares)	69,052	75,862	84,647
Exercise Price
Outstanding at beginning of year, exercise price (in dollars per share)	$ 128.64	$ 106.43	$ 91.24
Granted, exercise price (in dollars per share)	203.55	178.25	137.93
Exercised, exercise price (in dollars per share)	103.81	72.09	50.79
Canceled, exercise price (in dollars per share)	169.97	148.08	114.48
Outstanding at end of year, exercise price (in dollars per share)	$ 150.74	$ 128.64	$ 106.43
Options exercisable at end of year (in shares)	29,757	34,027	43,412
Exercisable at end of year, exercise price (in dollars per share)	$ 118.60	$ 100.00	$ 78.50
Options available for grant at end of year (in shares)	261,888	273,558	286,033