EQUITY COMPENSATION (Tables)

3 Months Ended

Mar. 31, 2020

Share-based Payment Arrangement [Abstract]

Schedule of equity-based compensation expense, net of assumed forfeitures

Equity-based compensation expense, net of forfeitures, recorded by the Company is included in the following table:

	Three months ended March 31,
	2020		2019
Restricted units	$	28,381	$	23,012
Restricted units with a market condition	4,133		891
Options	43		3,101
Phantom shares	—		548
Equity-based compensation expense	$	32,557	$	27,552

Summary of unvested restricted units' activity

The following table presents unvested restricted units' activity:

	Restricted Units	Weighted Average Grant Date Fair Value Per Unit
Balance - January 1, 2020	16,810,473	$	20.07
Granted	3,268,133	36.85
Vested	(3,921,722)	19.21
Forfeited	(211,925)	21.42
Balance - March 31, 2020	15,944,959	$	23.69

The following table presents the unvested market condition awards' activity:

	Market Condition Awards Units	Weighted Average Grant Date Fair Value Per Unit
Balance - January 1, 2020	1,333,334	$	9.30
Granted	—	—
Vested	(666,667)	10.92
Forfeited	—	—
Balance - March 31, 2020	666,667	$	7.68

Summary of unvested options activity

A summary of options activity during the three months ended March 31, 2020 is presented below:

	Options	Weighted Average Exercise Price		Weighted Average Remaining Life (in years)	Aggregate Intrinsic Value
Balance - January 1, 2020	13,426,870	$	18.99	4.34	$	224,260
Granted	—	—		—	—
Exercised	(1,134,677)	19.00		—	—
Expired	—	—		—	—
Forfeited	—	—		—	—
Balance - March 31, 2020	12,292,193	$	18.99	4.00	$	146,811
Exercisable at March 31, 2020	12,292,193	$	18.99	4.00	$	146,811