Pension and Other Benefits (Tables)

12 Months Ended

Dec. 31, 2012

Pension and Other Benefits [Abstract]

Schedule of Changes in Projected Benefit Obligations [Table Text Block]

	2012			2011
	(Dollars in Thousands)
Change in Benefit Obligation:
Projected benefit obligation at beginning of year	$	12,345		$	11,032
Interest cost		555			589
Actuarial loss		1,389			1,335
Benefits paid		(756	)		(611	)
Projected benefit obligation at end of year	$	13,533		$	12,345
Change in Plan Assets:
Fair value of plan assets at beginning year	$	6,762		$	6,993
Actual return on plan assets		681			(111	)
Employer contributions		347			491
Benefits paid		(756	)		(611	)
Fair value of plan assets at end of year	$	7,034		$	6,762
Funded status	$	(6,499	)	$	(5,583	)

Schedule of Net Benefit Costs [Table Text Block]

	2012			2011			2010
	(Dollars in Thousands)
Interest cost	$	555		$	589		$	601
Expected return on plan assets		(377	)		(381	)		(413	)
Net amortization		294			179			130
Net periodic pension expense	$	472		$	387		$	318

Schedule of Benefit Obligations in Excess of Fair Value of Plan Assets [Table Text Block]

	2012			2011			2010
Discount rate		4.03	%		4.64	%		5.25	%
Rate of compensation increase		N/A			N/A			N/A
Expected long-term rate of return on plan assets		5.50	%		5.50	%		6.25	%

	2012			2011			2010
	(Dollars in Thousands)
Information for Plans With a Benefit Obligation in Excess of Plan Assets
Weighted average assumptions used to determine net periodic benefit cost for years ended December 31
Discount rate		4.64	%		5.25	%		5.75	%
Expected long-term return on plan assets		5.50	%		5.50	%		6.25	%
Rate of compensation increase		N/A			N/A			N/A

Schedule of Allocation of Plan Assets [Table Text Block]

Asset Category	2012			2011			2010
Equity securities		60	%		47	%		44	%
Debt and/or fixed income securities		39	%		41	%		37	%
Alternative investments, including commodities, foreign currency and real estate		1	%		4	%		—	%
Cash and other alternative investments, including hedge funds, equity structured notes		—	%		8	%		19	%
Total		100	%		100	%		100	%

Schedule Of Benefit Obligations Allowable Range Of Commitments [Table Text Block]

	Range			Target
Equity securities		42 – 48	%		45	%
Debt and/or fixed income securities		37 – 43	%		40	%
International equity		12 – 18	%		15	%
Short term		N/A			N/A
Other		N/A			N/A

Schedule of Changes in Fair Value of Plan Assets [Table Text Block]

	December 31, 2012		Fair Value Measurements at Reporting Date Using
			Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
	(Dollars in Thousands)
Cash	$	42	$	42	$	—	$	—
Equity securities:
U.S. companies		3,154		3,154		—		—
International companies		1,051		1,051		—		—
Debt and/or fixed income securities		2,787		2,787		—		—
Total	$	7,034	$	7,034	$	—	$	—

	December 31, 2011		Fair Value Measurements at Reporting Date Using
			Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
	(Dollars in Thousands)
Cash	$	512	$	512	$	—	$	—
Equity securities:
U.S. companies		1,788		1,788		—		—
International companies		1,405		1,405		—		—
U.S. Treasury securities		2,798		2,798		—		—
Commodities		259		259		—		—
Total	$	6,762	$	6,762	$	—	$	—