Equity-based Compensation (Tables)

6 Months Ended

Jun. 30, 2022

Share-Based Payment Arrangement [Abstract]

Schedule of Restricted Stock Unit Activity

Restricted Stock Unit (“RSU”) activity was as follows during the periods indicated:

	Six Months Ended June 30, 2022			Six Months Ended June 30, 2021
	Restricted Stock Units	Weighted Average Grant Date Fair Value		Restricted Stock Units
Unvested at beginning of period	4,853,795	$	56.74	985,398
Granted	3,364,624	$	49.89	758,949
Vested	(421,582)	$	45.80	(144,168)
Forfeited	(769,616)	$	57.87	(107,611)
Unvested at end of period	7,027,221	$	53.99	1,492,568

Restricted Stock activity was as follows during the periods indicated:

	Six Months Ended June 30, 2022			Six Months Ended June 30, 2021
	Restricted stock	Weighted Average Grant Date Fair Value		Restricted stock
Unvested at beginning of period	3,525,373	$	9.21	—
Vested	(1,561,966)	$	4.65	—
Forfeited	(154,999)	$	6.36	—
Unvested at end of period	1,808,408	$	13.39	—

Schedule of Unvested Options Activity

Options activity was as follows during the period indicated:

	Six Months Ended June 30, 2022			Six Months Ended June 30, 2021
	Options	Weighted Average Exercise Price		Options
Outstanding at beginning of period	417,085	$	21.00	552,440
Exercised	(28,504)	$	21.00	(35,814)
Expired	(3,400)	$	21.00	—
Forfeited	(18,258)	$	21.00	(18,283)
Outstanding at end of period	366,923	$	21.00	498,343

Options have a maximum contractual term of ten years. The aggregate intrinsic value and weighted average remaining contractual terms of Options outstanding and Options exercisable were as follows as of June 30, 2022.

	June 30, 2022
Aggregate intrinsic value (in millions)
Unit Options outstanding	$	4.5
Unit Options exercisable	$	3.1
Weighted average remaining contractual term (in years)
Unit Options outstanding	7.9 years
Unit Options exercisable	7.8 years

Schedule of Unit Activities

HoldCo Unit activity was as follows during the periods indicated:

	Six Months Ended June 30, 2022			Six Months Ended June 30, 2021
	HoldCo Units	Weighted Average Grant Date Fair Value		HoldCo Units
Unvested at beginning of period	—	$	—	1,214,105
Vested	—	$	—	(278,166)
Forfeited	—	$	—	(40,276)
Unvested at end of period	—	$	—	895,663

Class P Unit activity was as follows during the periods indicated:

	Six Months Ended June 30, 2022			Six Months Ended June 30, 2021
	Class P Units	Weighted Average Participation Threshold		Class P Units
Unvested at beginning of period	—	$	—	8,796,642
Vested	—	$	—	(3,579,797)
Forfeited	—	$	—	(58,453)
Unvested at end of period	—	$	—	5,158,392

LTIP Unit activity was as follows during the periods indicated:

	Six Months Ended June 30, 2022			Six Months Ended June 30, 2021
	LTIP Units	Weighted Average Participation Threshold		LTIP Units
Unvested at beginning of period	—	$	—	47,620
Granted	—	$	—	247,045
Unvested at end of period	—	$	—	294,665

Schedule of Valuation Assumptions

The fair value of the ESPP purchase was determined using the Black-Scholes option pricing model with the following assumption ranges and fair value per unit:

	Three Months Ended June 30, 2022
Volatility	71.9%
Expected term	0.5
Risk-free rate	2.2%
Expected dividends	—%
Fair value per unit	$9.56

Summary of Unamortized Equity-Based Compensation Costs

As of June 30, 2022, unamortized equity-based compensation costs related to each equity-based incentive award described above is the following:

($ in millions, period in years)	Amount		Weighted Average Remaining Service Period
Restricted Stock Units	$	311.3	2.5
Common Stock Options	0.3		1.1
Restricted Stock	15.5		1.4
HSKB Incentive Units	4.8		0.2
HSKB Phantom Units	14.4		2.9
Employee Stock Purchase Plan	1.3		0.5
Total unamortized equity-based compensation cost	$	347.6	2.4