Share-Based Compensation (Tables)

6 Months Ended

Jun. 30, 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 and six months ended June 30, 2021 and 2020:

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2021		2020		2021		2020
(in thousands)
Awards to non-employee directors	$	192	$	181	$	380	$	357
Awards to key employees	1,247		1,085		2,935		1,965
Total compensation expense	1,439		1,266		3,315		2,322
Less: tax benefit	(384)		(331)		(885)		(607)
Share-based compensation amounts included in net income	$	1,055	$	935	$	2,430	$	1,715

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 six months ended June 30, 2021: 

	Number of Shares	Weighted Average Fair Value
Outstanding—December 31, 2020	186,878	$	87.06
Granted	66,612	$	102.73
Vested	(53,147)	$	76.31
Expired	(852)	$	74.85
Forfeited	(5,384)	$	93.39
Outstanding—June 30, 2021	194,107	$	94.61