Employee Benefit Plans (Tables)

3 Months Ended

Mar. 31, 2016

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
	March 31,
(Dollars in thousands)	2016			2015
Interest cost	$	110		$	115
Expected return on plan assets	(100		)	(130		)
Amortization of net loss	—			33
Settlement of benefit obligation	—			269
Net periodic cost	$	10		$	287

	Postretirement Benefits
	Three Months Ended
	March 31,
(Dollars in thousands)	2016			2015
Interest cost	$	1		$	1
Amortization of net gain	(1		)	(1		)
Net periodic benefit	$	—		$	—