STOCK-BASED COMPENSATION - Schedule of Option Activity (Details) - Options - USD ($) $ / shares in Units, $ in Thousands	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Stock Awards Plans
Assumptions used to estimate fair value of stock options granted
Dividend yield assumption	1.28%	1.41%
Expected Stock Price Volatility	17.03%	16.55%
Risk-free interest rate	4.51%	3.57%
Expected Life of Option (years)	7 years	7 years
Stock options activity
Outstanding at the beginning of the period (in shares)	2,182,784
Granted (in shares)	249,805
Exercised (in shares)	(377,602)
Forfeited or expired (in shares)	(5,185)
Outstanding at the end of the period (in shares)	2,049,802
Stock option weighted average exercise price
Outstanding at the beginning of the period (in dollars per share)	$ 80.63
Options granted, Weighted average exercise price (in dollars per share)	141.00
Options exercised, Weighted average exercise price (in dollars per share)	70.66
Options forfeited or expired, Weighted average exercise price (in dollars per share)	93.42
Outstanding at the end of the period (in dollars per share)	$ 89.80
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]
Options exercisable, Number of options (in shares)	1,593,918
Options exercisable, Weighted average exercise price (in dollars per share)	$ 78.35
Options outstanding, Weighted average remaining contractual term (in years)	4 years 2 months 12 days
Options exercisable, Weighted average remaining contractual term (in years)	2 years 8 months 12 days
Options outstanding, Aggregate intrinsic value	$ 110,862
Options exercisable, Aggregate intrinsic value	104,452
Options exercised, Intrinsic value, at end of period	$ 25,454	$ 16,886
Director Stock Option Plans
Stock options activity
Outstanding at the beginning of the period (in shares)	19,000
Granted (in shares)	0
Exercised (in shares)	(19,000)
Forfeited or expired (in shares)	0
Outstanding at the end of the period (in shares)	0
Stock option weighted average exercise price
Outstanding at the beginning of the period (in dollars per share)	$ 66.59
Options granted, Weighted average exercise price (in dollars per share)	0
Options exercised, Weighted average exercise price (in dollars per share)	66.59
Options forfeited or expired, Weighted average exercise price (in dollars per share)	0
Outstanding at the end of the period (in dollars per share)	$ 0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]
Options exercisable, Number of options (in shares)	0
Options exercisable, Weighted average exercise price (in dollars per share)	$ 0
Options outstanding, Weighted average remaining contractual term (in years)	0 years
Options exercisable, Weighted average remaining contractual term (in years)	0 years
Options outstanding, Aggregate intrinsic value	$ 0
Options exercisable, Aggregate intrinsic value	0
Options exercised, Intrinsic value, at end of period	$ 1,394	$ 854