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Stock Options (Tables)

12 Months Ended

Dec. 31, 2016

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity

Following is a summary of activity in the Restricted Stock Awards for the periods indicated:

	2016					2015					2014
	Shares		Exercise    Price*			Shares		Exercise    Price*			Shares		Exercise    Price*
Options outstanding at beginning of year	32,616		$	53.31		12,043		$	44.10		10,724		$	32.49
Granted	27,440		55.17			26,004		54.14			6,000		53.51
Exercised	(11,909	)	52.67			(5,431	)	36.85			(4,681	)	29.56
Canceled	(2,526	)	53.57			—		—			—		—
Options outstanding at end of year	45,621		54.58			32,616		53.31			12,043		44.10

*Weighted Averages

Qualified Stock Options

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Schedule of Share-based Compensation, Stock Options, Activity

Following is a summary of activity in the Incentive Stock Option Plans for the periods indicated:

	2016					2015					2014
	Shares		Exercise    Price*			Shares		Exercise    Price*			Shares		Exercise    Price*
Options outstanding at beginning of year	254,195		$	34.64		301,800		$	30.73		292,350		$	26.68
Granted	21,000		54.87			29,500		53.95			48,250		52.67
Exercised	(43,775	)	26.59			(75,355	)	26.11			(27,700	)	24.33
Canceled	(10,600	)	50.68			(1,750	)	53.61			(11,100	)	35.42
Options outstanding at end of year	220,820		37.39			254,195		34.64			301,800		30.73
Options exercisable at end of year	136,220		$	29.66		143,345		$	25.69		172,450		$	22.30
Options available for grant at end of year	353,450					370,750					28,950

*Weighted Averages

Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range

Options outstanding and exercisable at December 31, 2016 were as follows:

Qualified Stock Options	Options Outstanding							Options Exercisable
	Shares		Remaining Contractual Life (yrs)*	Exercise          Price*				Shares		Exercise      Price*
Range of Exercise Price
$11.45 - $22.55	44,320		2.03	$	15.08			44,320		$	15.08
$24.69 - $42.70	96,350		5.30	$	34.07			73,750		$	32.64
$49.44 - $54.87	80,150		8.21	$	53.72			18,150		$	53.17
Total	220,820							136,220

*Weighted Averages

Non Qualified Options

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Schedule of Share-based Compensation, Stock Options, Activity

Following is a summary of activity in the Non-Qualified Stock Option Plans for the periods indicated:

	2016					2015					2014
	Shares		Exercise    Price*			Shares		Exercise    Price*			Shares		Exercise    Price*
Options outstanding at beginning of year	127,300		$	32.05		132,100		$	31.30		114,700		$	24.87
Granted	—		—			—		—			29,000		53.51
Exercised	(14,900	)	13.73			(4,800	)	11.45			(11,600	)	23.29
Canceled	—		—			—		—			—		—
Options outstanding at end of year	112,400		34.48			127,300		32.05			132,100		31.30
Options exercisable at end of year	85,000		$	29.61		83,100		$	24.54		71,100		$	19.85
Options available for grant at end of year	207,608					232,522					258,526

*Weighted Averages

Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range

Options outstanding and exercisable as of December 31, 2016 were as follows:

Non-Qualified Stock Options	Options Outstanding							Options Exercisable
	Shares		Remaining    Contractual    Life (yrs)*	Exercise           Price*				Shares			Exercise      Price*
Range of Exercise Price
$11.45 - $22.55	18,400		2.36	$	11.45			18,400			$	11.45
$24.69 - $42.70	65,000		4.51	32.50				55,000			30.65
$49.44 - $54.87	29,000		7.37	$	53.51			11,600			$	53.51
Total	112,400							85,000

*Weighted Averages

X

- Definition

Tabular disclosure of option exercise prices, by grouped ranges, including the upper and lower limits of the price range, the number of shares under option, weighted average exercise price and remaining contractual option terms.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)
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Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year.

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