Employee Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2020

Share-based Payment Arrangement, Noncash Expense [Abstract]

Summary Of Stock Option Activity

A summary of the Company’s stock option activity and related information is presented below:

	Nine months ended September 30,
	2020			2019
	Options	Weighted-Average Exercise Price		Options	Weighted-Average Exercise Price
Outstanding at January 1	46,251	$	52.74	57,972	$	51.15
Exercised	(4,921)	45.17		(11,721)	44.87
Outstanding at September 30	41,330	$	53.64	46,251	$	52.74
Exerciseable at September 30	21,459	$	50.45	8,063	$	44.48

Information regarding stock option exercises and stock-based compensation expense associated with stock options is provided in the following table (in thousands):    

	Nine months ended September 30,
	2020		2019
Proceeds from stock option exercises	$	223	$	526
Intrinsic value of stock options exercised	93		368
Stock-based compensation expense associated with stock options	$	47	$	92
At period-end:	September 30, 2020
Unrecognized stock-based compensation expense associated with stock options	$	37
Weighted average period (in years) in which the above amount is expected to be
recognized	1.0

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,
	2020			2019
	Restricted Awards	Average Market Price at Grant		Restricted Awards	Average Market Price at Grant
Outstanding at January 1	148,083	$	62.62	152,692	$	51.85
Granted	38,603	67.15		31,006	79.86
Vested	(29,775)	47.72		(45,007)	39.81
Outstanding at September 30	156,911	$	66.56	138,691	$	61.98

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,
	2020		2019		2020		2019
Stock-based compensation expense associated with restricted shares	$	708	$	499	$	2,018	$	1,434
At period-end:					September 30, 2020
Unrecognized stock-based compensation expense associated with restricted shares					$	5,592
Weighted average period (in years) in which the above amount is expected to be recognized					3.1

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,
	2020		2019		2020		2019
Components of net periodic cost:
Interest cost	$	112	$	242	$	336	$	522
Expected return on plan assets	(203)		(370)		(611)		(798)
Net amortization and deferral	272		396		817		855
Net Periodic Pension Cost	$	181	$	268	$	542	$	579