Other Postretirement Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2013

Compensation And Retirement Disclosure [Abstract]

Components of Net Periodic Benefit Cost

Components of net periodic benefit cost are as follows:

	Three Months Ended September 30,						Nine Months Ended September 30,
	2013			2012			2013			2012
	(Dollars in thousands)
Service cost	$	—		$	—		$	—		$	—
Interest cost		13			19			39			57
Expected return on plan assets		—			—			—			—
Net amortization of prior service cost		(19	)		(20	)		(57	)		(59	)
Recognized net actuarial gain		(28	)		(23	)		(84	)		(69	)
Net periodic benefit cost/(gain)	$	(34	)	$	(24	)	$	(102	)	$	(71	)
Assumptions used in the valuations were as follows:
Weighted average discount rate		3.00	%		4.00	%		3.00	%		4.00	%