Employee Benefit Plans

9 Months Ended

Sep. 30, 2014

Compensation and Retirement Disclosure [Abstract]

Employee Benefit Plans

Employee Benefit Plans

The components of net periodic benefit costs for the three and nine months ended September 30, 2014 and 2013 were as follows (dollars in thousands):

	Pension Benefits						Other Benefits
	Three months ended September 30,						Three months ended September 30,
	2014			2013			2014		2013
Service cost	$	2,195		$	2,000		$	826	$	590
Interest Cost	1,367			1,017			794		392
Expected return on plan assets	(1,118		)	(933		)	—		—
Amortization of prior service cost	214			152			—		—
Amortization of prior actuarial loss	489			808			361		279
Net periodic benefit cost	$	3,147		$	3,044		$	1,981	$	1,261

	Pension Benefits						Other Benefits
	Nine months ended September 30,						Nine months ended September 30,
	2014			2013			2014		2013
Service cost	$	6,185		$	6,012		$	1,766	$	1,411
Interest Cost	3,662			3,055			1,471		1,015
Expected return on plan assets	(3,353		)	(2,800		)	—		—
Amortization of prior service cost	432			459			—		—
Amortization of prior actuarial loss	1,407			2,427			795		651
Net periodic benefit cost	$	8,333		$	9,153		$	4,032	$	3,077

The Company has made pension contributions of $6.5 million during the first nine months of 2014, and does not expect to make any additional pension contributions in 2014.