Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2020

Share-based Payment Arrangement [Abstract]

Restricted shares, performance-based restricted share units and performance share unit activity

The following table presents activity for non-vested RSUs and performance share units under the Plan in 2020.

	Number of Awards	Weighted Average Grant Date Fair Value
Balance as of January 1, 2020	2,115,186	$	46.25
Awards granted	1,316,407	34.36
Awards vested	(806,589)	44.31
Awards forfeited, canceled or expired	(248,760)	42.57
Performance-based adjustment	62,897	34.45
Balance as of December 31, 2020	2,439,141	40.56