Employee Benefits (Tables)

9 Months Ended

Sep. 30, 2014

Compensation and Retirement Disclosure [Abstract]

Components of Net Periodic Pension Cost and Other Changes in Plan Assets and Benefit

The following table summarizes the components of net periodic pension cost for the periods presented:

	Three Months Ended September 30,						Nine Months Ended September 30,
(dollars in thousands)	2014			2013			2014			2013
Components of Net Periodic Pension Cost
Service cost—benefits earned during the period	$	516		$	659		$	1,778		$	2,075
Interest cost on projected benefit obligation	1,141			997			3,353			2,989
Expected return on plan assets	(1,710		)	(1,526		)	(5,180		)	(4,656		)
Amortization of prior service cost (credit)	(34		)	(34		)	(104		)	(102		)
Recognized net actuarial loss	287			642			705			1,818
Net Periodic Pension Expense	$	200		$	738		$	552		$	2,124