Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2020

Share-based Payment Arrangement [Abstract]

Summary of restricted share activity

A summary of time-based and performance-based activity for the year ended December 31, 2020 is as follows:

	Time-Based			Performance-Based
	Number of Shares	Weighted Average Grant Date Fair Value		Number of Shares	Weighted Average Grant Date Fair Value
	(in whole shares)			(in whole shares)
Outstanding — beginning of year	471,634	$	32.06	50,000	$	32.55
Granted(a)	453,493	17.15		—	—
Vested	(179,121)	35.70		—	—
Cancelled or expired	(5,000)	37.55		—	—
Outstanding — end of year	741,006	$	22.02	50,000	$	32.55

(a) Included in the granted amount are 6,100 restricted share units.