STOCK OPTIONS AND OTHER SHARE-BASED COMPENSATION - Stock Options Activity (Details) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2021 USD ($) $ / shares shares
Shares
Stock options outstanding January 1, 2020 (in shares) | shares	4,321,636
Granted (in shares) | shares	500,489
Exercised (in shares) | shares	(1,207,071)
Forfeited or expired (in shares) | shares	(85,966)
Stock options outstanding December 31, 2021 (in shares) | shares	3,529,088
Weighted Average Exercise Price Per Share
Stock options outstanding January 1, 2021 (in dollars per share) | $ / shares	$ 127.93
Granted (in dollars per share) | $ / shares	181.91
Exercised (in dollars per share) | $ / shares	79.20
Forfeited or expired (in dollars per share) | $ / shares	190.28
Stock options outstanding December 31, 2021 (in dollars per share) | $ / shares	$ 150.68
Stock options exercisable December 31, 2021 (in shares) | shares	2,009,767
Stock options exercisable December 31, 2021, weighted average exercise price per share (in dollars per share) | $ / shares	$ 116.25
Stock options outstanding December 31, 2021, weighted average remaining contractual term	6 years 4 months 6 days
Stock options exercisable December 31, 2021, weighted average remaining contractual term	4 years 11 months 15 days
Stock options outstanding December 31, 2021, aggregate intrinsic value | $	$ 220,780
Stock options exercisable December 31, 2021, aggregate intrinsic value | $	$ 194,930