Equity-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2020

Share-based Payment Arrangement [Abstract]

Summary of award activity

The following table summarizes the award activity, in number of units, for each plan during the six months ended June 30, 2020:

	Balance at December 31, 2019	Granted	Vested	Exercised	Forfeited	Recovery of Vested Awards	Balance at June 30, 2020
Vested
Stock Options	673,341	—	33,018	(20,136)	(109,701)	—	576,522
SAR	200,745	1,575	24,604	(1,284)	(6,117)	—	219,523
RSU	—	—	57,183	—	—	—	57,183
BMP Equity Units	7,980,037	3,412,415	283,984	—	—	(1,963,969)	9,712,467
REUs	2,164,742	2,256,681	171,323	—	—	(507,500)	4,085,246
Unvested
Stock Options	232,040	—	(33,018)	—	(66,595)	—	132,427
SAR	174,880	26,475	(24,604)	—	(23,742)	—	153,009
RSU	244,083	—	(57,183)	—	(57,183)	—	129,717
BMP Equity Units	180,000	2,819,927	(283,984)	—	(157,749)	—	2,558,194
REUs	246,500	2,009,597	(171,323)	—	(147,400)	—	1,937,374
Total
Stock Options	905,381	—	—	(20,136)	(176,296)	—	708,949
SAR	375,625	28,050	—	(1,284)	(29,859)	—	372,532
RSU	244,083	—	—	—	(57,183)	—	186,900
BMP Equity Units	8,160,037	6,232,342	—	—	(157,749)	(1,963,969)	12,270,661
REUs	2,411,242	4,266,278	—	—	(147,400)	(507,500)	6,022,620

Components of equity-based compensation expense

The following table presents the components of equity-based compensation expense recognized in the consolidated statement of operations (in thousands):

	Three Months Ended June 30,				Six Months Ended June 30,
	2020		2019		2020		2019
Stock options	$	38	$	(17)	$	86	$	245
Stock appreciation rights	(316)		(417)		(111)		(4)
Restricted stock units	(299)		265		(38)		424
BMP equity units	2,172		—		39,124		—
REUs	2,017		—		33,999		—
Total equity-based compensation	$	3,612	$	(169)	$	73,060	$	665

Schedule of equity-based compensation expense vesting of award outstanding

The following table presents the equity-based compensation expense expected to be recognized over the next five years based on scheduled vesting of awards outstanding as of June 30, 2020 (in thousands):

	Stock Options		SAR		REUs		BMP Equity Units		Total
Six months ending 2020	$	180	$	11	$	4,028	$	4,176	$	8,395
2021	109		154		7,897		8,283		16,443
2022	19		107		5,441		5,811		11,378
2023	—		22		2,353		2,096		4,471
2024	—		—		249		191		440
Total	$	308	$	294	$	19,968	$	20,557	$	41,127