Share-based Compensation (Tables)

3 Months Ended

Mar. 31, 2020

Share-based Payment Arrangement [Abstract]

Summary of Restricted Share Activity

A summary of restricted share activity as of March 31, 2020 and changes during the three months then ended is as follows:

	Shares	Weighted-Average Grant Date Fair Value
Outstanding at January 1, 2020	471,271	$	60.09
Vested and issued	(134,983)	$	55.87
Expired or forfeited	(45,482)	$	61.19
Outstanding at March 31, 2020	290,806	$	61.94

Stock Settled Share Appreciation Rights

A summary of stock-settled SARs activity as of March 31, 2020 and changes during the three months then ended is as follows:

	Shares	Weighted-Average Exercise Price
Outstanding at January 1, 2020	625,368	$	33.60
Exercised	(369,362)	$	32.59
Expired or forfeited	—	$	—
Outstanding at March 31, 2020	256,006	$	35.05