Share-based Compensation (Tables)

9 Months Ended

Sep. 30, 2020

Share-based Payment Arrangement [Abstract]

Summary of Restricted Share Activity

A summary of restricted share activity as of September 30, 2020 and changes during the nine months then ended is as follows:

	Shares	Weighted-Average Grant Date Fair Value
Outstanding at January 1, 2020	471,271	$	60.09
Granted	399,578	$	32.53
Vested and issued	(175,321)	$	51.22
Expired or forfeited	(134,676)	$	52.00
Outstanding at September 30, 2020	560,852	$	43.61

Stock Settled Share Appreciation Rights

A summary of stock-settled SARs activity as of September 30, 2020 and changes during the nine months then ended is as follows:

	Shares	Weighted-Average Exercise Price
Outstanding at January 1, 2020	625,368	$	33.60
Exercised	(418,702)	$	32.25
Expired or forfeited	(15,031)	$	—
Outstanding at September 30, 2020	191,635	$	36.21