Employee Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2015

Compensation and Retirement Disclosure [Abstract]

Schedule of Net Benefit Costs

The following tables detail the components of the net periodic cost for the plans:

	Pension Benefits
	Three Months Ended						Six Months Ended
	June 30,						June 30,
(Dollars in thousands)	2015			2014			2015			2014
Interest cost	$	109		$	131		$	224		$	274
Expected return on plan assets	(121		)	(150		)	(251		)	(319		)
Amortization of net loss	31			36			64			69
Settlement of benefit obligation	103			536			372			1,022
Net periodic cost	$	122		$	553		$	409		$	1,046

	Postretirement Benefits
	Three Months Ended						Six Months Ended
	June 30,						June 30,
(Dollars in thousands)	2015			2014			2015			2014
Interest cost	$	1		$	2		$	2		$	3
Amortization of net gain	(1		)	(2		)	(2		)	(4		)
Net periodic benefit	$	—		$	—		$	—		$	(1	)

Schedule of Pension Plans Remeasurement and Settlements

The following table summarizes the change in pension obligation and funded status as a result of this remeasurement and the aggregate settlement for the three months ended June 30, 2015:

	As of			June 30, 2015
(Dollars in thousands)	December 31,			Before Settlement			Impact of Settlements			After Settlements
Funded status:	2014
Projected benefit obligation	$	13,695		$	12,695		$	(258	)	$	12,437
Fair value of plan assets	8,259			7,794			(258		)	7,536
Funded status	$	(5,436	)	$	(4,901	)	$	—		$	(4,901	)
Gross unrealized loss (gain)	$	5,979		$	5,139		$	(103	)	$	5,036
Assumptions:
Discount rate	3.50		%	3.70		%				3.70		%
Expected return on plan assets	7.50		%	7.50		%				7.50		%