EQUITY COMPENSATION (Options) (Details) - USD ($) $ / shares in Units, $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2020	Dec. 31, 2019
Options
Exercised (in units)	(4,216,240)
Options
Options
Balance at the beginning of the period (in units)	13,426,870
Granted (in units)	0
Exercised (in units)	(4,382,165)
Expired (in units)	0
Forfeited (in units)	0
Balance at the end of the period (in units)	9,044,705	13,426,870
Exercisable at the end of the period (in units)	9,044,705
Weighted Average Exercise Price
Balance at the beginning of the period (in dollars per unit)	$ 18.99
Granted (in dollars per unit)	0
Exercised (in dollars per unit)	18.98
Expired (in dollars per unit)	0
Forfeited (in dollars per unit)	0
Balance at the end of the period (in dollars per unit)	18.99	$ 18.99
Exercisable at the end of the period (in dollars per unit)	$ 18.99
Weighted Average Remaining Life
Weighted average remaining life		4 years 3 months 18 days
Expected to vest at the end of the period	3 years 7 months 6 days
Exercisable at the end of the period	3 years 7 months 6 days
Aggregate Intrinsic Value
Beginning balance	$ 193,831	$ 224,260
Ending balance	193,831	$ 224,260
Exercisable	193,831
Stock option exercises	83,200
Tax benefits of exercises	$ 10,500