Employee Benefit Plans (Tables)

3 Months Ended

Mar. 31, 2019

Share-based Compensation [Abstract]

Summary Of Stock Option Activity

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

	Three months ended March 31,
	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	(5,638	)	44.74		(7,387	)	37.85
Outstanding at March 31	52,334		$	51.84	80,218		$	48.00
Exerciseable at March 31	14,146		$	44.70	24,943		$	40.38

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

	Three months ended March 31,
	2019		2018
Proceeds from stock option exercises	$	252	$	280
Intrinsic value of stock options exercised	177		220
Stock-based compensation expense associated with stock options	$	37	$	54
At period-end:	March 31, 2019
Unrecognized stock-based compensation expense associated with stock options	$	167
Weighted average period (in years) in which the above amount is expected to be
recognized	1.9

Stock Options Outstanding And Exercisable

Additional information regarding stock options outstanding and exercisable at March 31, 2019 is provided in the following table:

Ranges of Exercise Prices	No. of Options Outstanding	Weighted-Average Exercise Price		Weighted-Average Remaining Contractual Life (Years)	Aggregate Intrinsic Value (in thousands)		No. of Options Currently Exercisable	Weighted-Average Exercise Price of Options Currently Exercisable		Weighted-Average Remaining Contractual Life (Years)	Aggregate Intrinsic Value of Options Currently Exercisable (in thousands)
$35.00 - $39.99	38	$	37.74	3.9	$	1	38	$	37.74	3.9	1
40.00 - 44.99	27,016	43.89		6.5	873		10,784	44.14		5.8	346
45.00 - 49.99	7,649	46.61		5.9	226		3,324	46.61		5.9	98
65.00 - 70.00	17,631	66.32		7.9	174		—	—		—	—
	52,334				$	1,274	14,146				$	445

Restricted Shares Activity And Related Information

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

	Three months ended March 31,
	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	13,531		79.46		23,163		68.63
Vested	(23,667	)	45.60		(20,864	)	40.44
Outstanding at March 31	142,556		$	55.51	172,332		$	48.08

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

	Three months ended March 31,
	2019		2018
Stock-based compensation expense associated with restricted shares	$	434	$	379
At period-end:	March 31, 2019
Unrecognized stock-based compensation expense associated with restricted shares	$	4,403
Weighted average period (in years) in which the above amount is expected to be
recognized	3.1

Net Periodic Pension Cost Of The Defined Benefit Plan

The following table presents details of the Company's activities pursuant to these plans (in thousands):

	Three months ended March 31,
	2019			2018
Components of net periodic cost:
Interest cost	$	140		$	147
Expected return on plan assets	(214		)	(270		)
Net amortization and deferral	229			218
Net Periodic Pension Cost	$	155		$	95
401(k) Plan expense	$	259		$	218