STOCK-BASED COMPENSATION - Changes in Outstanding Stock Options (Details) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2021 USD ($) $ / shares shares
Shares
Balance at beginning of period (shares) | shares	7,425
Converted sub-equity options (shares) | shares	3
Increase due to acquisition (shares) | shares	267
Exercised (shares) | shares	(2,926)
Forfeited (shares) | shares	(280)
Expired (shares) | shares	(21)
Balance at end of period (shares) | shares	4,468
Weighted Average Exercise Price
Balance at beginning of period (USD per share) | $ / shares	$ 19.48
Converted sub-equity options (USD per share) | $ / shares	37.49
Increase due to acquisition (USD per share) | $ / shares	30.30
Exercised (USD per share) | $ / shares	18.52
Forfeited (USD per share) | $ / shares	23.06
Expired (USD per share) | $ / shares	12.55
Balance at end of period (USD per share) | $ / shares	$ 20.58
Options, Additional Disclosures
Weighted average contractual term at period end (in years)	4 years 10 months 24 days
Aggregate intrinsic value of options outstanding | $	$ 498,936
Options exercisable (shares) | shares	4,193
Options exercisable (USD per share) | $ / shares	$ 19.85
Options exercisable (in years)	4 years 8 months 12 days
Aggregate intrinsic value of options exercisable | $	$ 471,347