Equity-Based Compensation Plans (Tables)

12 Months Ended

Dec. 31, 2021

Share-based Payment Arrangement [Abstract]

Summary of Activity of Unvested Restricted Stock and Stock Unit Awards

A summary of the activity of our unvested restricted stock and stock unit awards are presented in the following table:

	Shares/units  (in thousands)			Weighted Average Grant-Date Fair Value
Unvested at December 31, 2018		1,416		$	10.65
Granted		437			5.39
Vested and distributed		(779	)		9.16
Forfeited		(81	)		10.74
Unvested at December 31, 2019		993			9.50
Granted		1,656			2.12
Vested and distributed		(820	)		5.44
Forfeited		(258	)		2.96
Unvested at December 31, 2020		1,571			4.90
Granted		1,151			7.21
Vested and distributed		(709	)		5.28
Forfeited		(239	)		3.21
Unvested at December 31, 2021		1,774		$	6.48

Summary of Vesting Provisions for Restricted Stock and Stock Unit Awards

The vesting provisions for the restricted stock and stock unit awards and the related number of shares granted during the year ended December 31 are as follows:

	Shares/units (in thousands)
Vesting Terms	2021		2020		2019
33.3% within 30 days and 33.3% on the 1 and 2 year anniversary of grant date		494		12		—
20% per year for five years		492		—		—
100% immediately		135		129		186
25% immediately and 25% on the 1, 2 and 3 year anniversary of grant date		—		1,500		—
Other various vesting terms		30		15		251
Total restricted stock and stock units granted		1,151		1,656		437