Stock Option Plan and Restricted Stock Plan (Tables)

12 Months Ended

Dec. 31, 2018

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of Analysis of Stock Option Activity

An analysis of stock option activity for the year ended December 31, 2018 is presented in the table and narrative below:

	Shares			Weighted- Average Ex. Price		Weighted- Average Remaining Contractual Term (Years)		Aggregate Intrinsic Value ($000)
Outstanding, beginning of year		1,325,965		$	33.01
Granted		—			—
Exercised		(173,822	)		22.23
Cancelled		(66,600	)		36.25
Outstanding, end of year		1,085,543			34.54		6.55	$	25,135
Exercisable at end of year		407,463		$	27.41		4.65	$	12,337

Schedule of Information Concerning Outstanding and Vested Stock Options

The following table summarizes information concerning outstanding and vested stock options as of December 31, 2018:    

Exercise Price		Number Outstanding		Remaining Contracted Life (Years)		Number Vested
$	16.78		29,823		0.4		29,823
	15.73		90,265		2.8		90,265
	30.85		211,355		4.8		161,135
	33.89		341,250		6.8		126,240
$	42.35		412,850		8.5		—