Share-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2021

Shares awarded to non-employee directors [Line Items]

Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan

The table below presents the amounts included in net income related to share-based compensation expense for the three months ended March 31, 2021 and 2020:

	Three Months Ended
	March 31,
	2021		2020
(in thousands)
Awards to non-employee directors	$	188	$	176
Awards to key employees	1,688		880
Total compensation expense	1,876		1,056
Less: tax benefit	(496)		(275)
Share-based compensation amounts included in net income	$	1,380	$	781

Award to key employees [Member]

Shares awarded to non-employee directors [Line Items]

Schedule of Share-based Compensation, Activity

The table below presents the summary of the stock activity for awards to key employees for the three months ended March 31, 2021: 

	Number of Shares	Weighted Average Fair Value
Outstanding—December 31, 2020	186,878	$	87.06
Granted	66,425	$	102.73
Vested	(53,147)	$	76.31
Expired	(852)	$	74.85
Forfeited	(5,384)	$	93.39
Outstanding—March 31, 2021	193,920	$	94.61