Stock Based Incentive Plan (Tables)

12 Months Ended

Dec. 31, 2012

Stock-Based Incentive Plan [Abstract]

Status of options granted under long term incentive plan

(Dollars in thousands)	Shares Under Option			Weighted Average Exercise  Price Per Share		Weighted Average Remaining Contractual Life (Years)		Aggregate Intrinsic Value at December 31, 2012
Outstanding at December 31, 2011		497,499		$	22.09
Granted		99,000			14.82
Expired		(8,150	)		24.75
Forfeited		(4,000	)		17.45
Exercised		—			—
Outstanding at December 31, 2012		584,349			20.85		5.4	$	226
Exercisable at December 31, 2012		359,014			23.41		3.8		—

Aggregated assumptions used to estimate fair value of options granted

	For the Years Ended December 31,
	2012			2011			2010
Expected option life in years		8.2			7.9			8.0
Risk free interest rate		1.63	%		3.04	%		3.60	%
Expected dividend yield		5.40	%		4.64	%		4.55	%
Expected volatility		50.74	%		49.11	%		47.16	%
Fair value of options	$	4.37		$	5.72		$	5.81

Summary of nonvested restricted stock awards

(Dollars in thousands)	Nonvested Share Awards			Weighted Average Grant Date Fair Value
Nonvested share awards at December 31, 2011		156,297		$	19.08
Granted		71,157			15.29
Vested		(39,321	)		21.54
Forfeited		(13,125	)		22.90
Nonvested share awards at December 31, 2012		175,008			16.70

Certain information regarding restricted stock

(Dollars in thousands, except share and per share data)	Years Ended December 31,
	2012		2011		2010
Shares granted		71,157		58,736		67,982
Weighted average grant date fair value	$	15.29	$	17.34	$	17.62
Intrinsic value of awards vested	$	625	$	183	$	138

Compensation expense related to stock incentive plans recognized

	Years Ended December 31,
(Dollars in thousands)	2012		2011		2010
Stock-based compensation expense:
Stock options	$	408	$	301	$	211
Restricted stock awards		859		587		834
Employee stock purchase plan		36		33		46
Total	$	1,303	$	921	$	1,091
Tax benefit on nonqualified stock option expense and restricted stock awards	$	296	$	203	$	292