Stock Purchase Plans (Tables)

12 Months Ended

Dec. 31, 2015

Stock Purchase Plans [Abstract]

Schedule Of Share-based Compensation, Stock Options, Activity

(Dollars in thousands except share and per share data)
	ESPP	Weighted Average			Aggregate
	Options	Price Per Share			Intrinsic Value
Balance Outstanding at December 31, 2012	37,627	$	12.64
Granted	34,417		15.24
Exercised	(4,007)		12.84
Expired	(35,758)		12.77
Balance Outstanding at December 31, 2013	32,279	$	15.24
Granted	27,596		18.91
Exercised	(3,793)		15.55
Expired	(30,112)		15.40
Balance Outstanding at December 31, 2014	25,970	$	18.91
Granted	23,379		23.42
Exercised	(4,794)		19.17
Expired	(22,269)		19.08
Balance Outstanding at December 31, 2015	22,286	$	23.42	$	2

	ISOP	Weighted Average
	Options	Price Per Share
Balance Outstanding at December 31, 2012	62,324	$	23.93
Granted	-		-
Exercised	-		-
Forfeited	(6,499)		21.51
Balance Outstanding at December 31, 2013	55,825	$	$24.21
Granted	-		-
Exercised	-		-
Forfeited	(11,750)		27.67
Balance Outstanding at December 31, 2014	44,075	$	$23.29
Granted	17,500		22.05
Exercised	-		-
Forfeited	(8,500)		25.29
Balance Outstanding at December 31, 2015	53,075	$	$22.56	$	50

Share-based Compensation Arrangement By Share-based Payment Award, Options, Vested And Expected To Vest, Outstanding And Exercisable

	Options				Weighted
	Outstanding	Exercise Price or	Weighted Average		Average Remaining
Stock Option Plan	and Exercisable	Price Range	Exercise Price		Life (years)
Employee Stock Purchase Plan	22,286	$23.42	$	23.42	0.5
Incentive Stock Option Plan	9,200	$16.11	$	16.11	3.2
Incentive Stock Option Plan	17,500	$22.05		22.05	9.2
Incentive Stock Option Plan	13,425	$23.77		23.77	2.1
Incentive Stock Option Plan	12,950	$24.67 - $27.68		26.57	0.8
ISOP Total/Average	53,075		$	22.56	4.3

Valuation Assumptions Using Black-Scholes Method

	2015		2014		2013
Incentive Stock Option Plan
Options granted		17,500		-		-
Risk-free interest rate		1.47%		-		-
Expected volatility of the Corporation's stock		28.64%		-		-
Expected dividend yield		3.09%		-		-
Expected life (in years)		5.25		-		-
Weighted average fair value of options granted	$	4.22	$	-	$	-
(Dollars in thousands)
Compensation expense included in net income
ESPP	$	-	$	-	$	-
ISOP		74		-		-
Total compensation expense included in net income	$	74	$	-	$	-