Stock Options (Tables)

12 Months Ended

Dec. 31, 2015

Stock Options

Schedule of Black-Scholes-Merton option valuation model assumptions

	2015		2014
Expected Life (Years)	7.61		7.63
Dividend yield	2.36	%	2.01	%
Interest rate	1.91	%	2.28	%
Volatility	46.52	%	47.36	%

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, 2014	993,889	$	18.94
Plus: Options granted	56,500		24.24
Less:
Options exercised	82,241		17.15
Options expired	44,075		26.73
Options forfeited	52,346		18.52
Options outstanding at December 31, 2015	871,727		19.08	6.66	$	5,769
Options fully vested and exercisable at December 31, 2015	212,821	$	13.99	3.38	$	2,492

Schedule of other information pertaining to option activity

	Twelve Months Ended December 31,
	2015		2014		2013
Weighted average grant date fair value of stock options granted	$	9.42	$	9.07	$	9.05
Total fair value of stock options vested	$	872,000	$	376,000	$	480,000
Total intrinsic value of stock options exercised	$	781,000	$	468,000	$	171,000