Employee Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2021

Share-based Payment Arrangement, Noncash Expense [Abstract]

Restricted Shares Activity And Related Information

A summary of the Company’s restricted shares activity and related information is presented below:

	Nine months ended September 30,
	2021			2020
	Restricted Awards	Average Market Price at Grant		Restricted Awards	Average Market Price at Grant
Outstanding at January 1	158,554	$	67.40	148,083	$	62.62
Granted	43,451	76.37		38,603	67.15
Vested	(54,400)	60.69		(29,775)	47.72
Outstanding at September 30	147,605	$	72.23	156,911	$	66.56

Information regarding stock-based compensation associated with restricted shares is provided in the following table (in thousands):

	Three months ended September 30				Nine months ended September 30,
	2021		2020		2021		2020
Stock-based compensation expense associated with restricted shares	$	717	$	708	$	2,192	$	2,018
At period-end:					September 30, 2021
Unrecognized stock-based compensation expense associated with restricted shares					$	5,704
Weighted average period (in years) in which the above amount is expected to be recognized					2.9

Pension and Other Postretirement Benefits

The following table presents the components of the Company's net periodic benefit cost, which is included in the line item "other expenses" in the consolidated statements of income, (in thousands):

	Three months ended September 30,				Nine months ended September 30,
	2021		2020		2021		2020
Components of net periodic cost:
Interest cost	$	83	$	112	$	248	$	336
Expected return on plan assets	(237)		(203)		(646)		(611)
Net amortization and deferral	280		272		841		817
Net Periodic Pension Cost	$	126	$	181	$	443	$	542