Share-based Compensation (Tables)

12 Months Ended

Dec. 31, 2021

Share-based Payment Arrangement [Abstract]

Summary of Performance Share Activity

A summary of non-vested performance share activity as of December 31, 2021 and changes during the year then ended is as follows:

	Shares	Weighted-Average Grant Date Fair Value
Outstanding at January 1, 2021	157,847	$	43.10
Granted	100,291	$	54.79
Vested and issued	(8,987)	$	44.49
Expired or forfeited	(48,587)	$	48.74
Outstanding at December 31, 2021	200,564	$	47.52

Summary of Restricted Share Activity

A summary of restricted share activity as of December 31, 2021 and changes during the year then ended is as follows:

	Shares	Weighted-Average Grant Date Fair Value
Outstanding at January 1, 2021	370,027	$	44.22
Granted	168,011	$	55.12
Vested and issued	(143,744)	$	46.08
Expired or forfeited	(115,864)	$	44.88
Outstanding at December 31, 2021	278,430	$	49.57