Equity-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2024

Schedule of equity based compensation by type of award

	Three Months Ended June 30,				Six Months Ended June 30,
(in thousands)	2023		2024		2023		2024
Restricted stock units	$	6,549		8,795		11,610		15,922
Performance share units		1,723		2,554		2,784		4,505
Equity awards issued to directors		227		250		432		499
Total expense	$	8,499		11,599		14,826		20,926

Summary of RSU awards activity

		Weighted Average
	Number	Grant Date
	of Units	Fair Value
Total AM LTIP RSUs awarded and unvested—December 31, 2023	5,877,170	$	10.28
Granted	2,459,643		13.44
Vested	(2,558,221)		9.98
Forfeited	(5,529)		11.07
Total AM LTIP RSUs awarded and unvested—June 30, 2024	5,773,063	$	11.75

ROIC PSUs

Summary of PSU awards activity

		Weighted Average
	Number	Grant Date
	of Units	Fair Value
Total AM LTIP PSUs awarded and unvested—December 31, 2023	952,101	$	10.90
Granted	350,237		13.44
Total AM LTIP PSUs awarded and unvested—June 30, 2024	1,302,338	$	11.59