Employee Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2019

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:

	Six months ended June 30,
	2019				2018
	Options		Weighted-Average Exercise Price		Options		Weighted-Average Exercise Price
Outstanding at January 1	57,972		$	51.15	87,605		$	47.15
Exercised	(8,140	)	44.85		(25,147	)	38.51
Outstanding at June 30	49,832		$	52.18	62,458		$	50.62
Exerciseable at June 30	11,644		$	44.62	7,183		$	44.32

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

	Six months ended June 30,
	2019		2018
Proceeds from stock option exercises	$	365	$	968
Intrinsic value of stock options exercised	263		824
Stock-based compensation expense associated with stock options	$	64	$	95
At period-end:	June 30, 2019
Unrecognized stock-based compensation expense associated with stock options	$	140
Weighted average period (in years) in which the above amount is expected to be
recognized	1.7

Restricted Shares Activity And Related Information

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

	Six months ended June 30,
	2019				2018
	Restricted Awards		Average Market Price at Grant		Restricted Awards		Average Market Price at Grant
Outstanding at January 1	152,692		$	51.85	170,033		$	44.34
Granted	31,006		79.86		28,363		70.03
Vested	(41,657	)	39.79		(47,104	)	37.45
Outstanding at June 30	142,041		$	61.50	151,292		$	51.30

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

	Six months ended June 30,
	2019		2018
Stock-based compensation expense associated with restricted shares	$	935	$	787
At period-end:	June 30, 2019
Unrecognized stock-based compensation expense associated with restricted shares	$	5,349
Weighted average period (in years) in which the above amount is expected to be
recognized	3.5

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 June 30,						Six months ended June 30,
	2019			2018			2019			2018
Components of net periodic cost:
Interest cost	$	140		$	147		$	280		$	295
Expected return on plan assets	(214		)	(270		)	(428		)	(540		)
Net amortization and deferral	229			218			459			436
Settlement	$	—		$	151		$	—		$	151
Net Periodic Pension Cost	$	155		$	246		$	311		$	342