Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2019

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 2019.

	Number of Awards		Weighted Average Grant Date Fair Value
Balance as of January 1, 2019	2,204,148		$	43.98
Awards granted	1,051,053		43.86
Awards vested	(801,504	)	36.81
Awards forfeited, canceled or expired	(379,425	)	45.98
Performance-based adjustment	40,914		44.86
Balance as of December 31, 2019	2,115,186		46.25