Stock Options (Tables)

12 Months Ended

Dec. 31, 2016

Stock Options

Schedule of Black-Scholes-Merton option valuation model assumptions

	2016		2015
Expected Life (Years)	7.61		7.61
Dividend yield	2.50	%	2.36	%
Interest rate	1.50	%	1.91	%
Volatility	41.32	%	46.52	%

Summary of option activity under stock option plans

				Weighted
		Weighted		average
		average		remaining	Aggregate
	Number of	exercise		contractual	intrinsic
	options	price		term (years)	value ($)
					(in Thousands)
Options outstanding at December 31, 2015	871,727	$	19.08
Plus: Options granted	9,000		26.14
Less:
Options exercised	43,925		12.51
Options expired	2,000		20.83
Options forfeited	34,300		21.17
Options outstanding at December 31, 2016	800,502		19.43	5.91	$	17,108
Options fully vested and exercisable at December 31, 2016	266,392	$	15.91	3.71	$	6,630

Schedule of other information pertaining to option activity

	Twelve Months Ended December 31,
	2016		2015		2014
Weighted average grant date fair value of stock options granted	$	8.74	$	9.42	$	9.07
Total fair value of stock options vested	$	1,015,000	$	872,000	$	376,000
Total intrinsic value of stock options exercised	$	792,000	$	781,000	$	468,000