Employee Benefit Plans

6 Months Ended

Jun. 30, 2014

Compensation and Retirement Disclosure [Abstract]

Employee Benefit Plans

Employee Benefit Plans

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

	Pension Benefits						Other Benefits
	Three months ended June 30,						Three months ended June 30,
	2014			2013			2014		2013
Service cost	$	2,489		$	2,129		$	470	$	410
Interest Cost	1,487			1,020			339		311
Expected return on plan assets	(1,302		)	(1,100		)	—		—
Amortization of prior service cost	216			213			—		—
Amortization of prior actuarial loss	245			782			217		186
Net periodic benefit cost	$	3,135		$	3,044		$	1,026	$	907

	Pension Benefits						Other Benefits
	Six months ended June 30,						Six months ended June 30,
	2014			2013			2014		2013
Service cost	$	3,990		$	4,012		$	940	$	820
Interest Cost	2,295			2,038			677		623
Expected return on plan assets	(2,235		)	(1,867		)	—		—
Amortization of prior service cost	218			307			—		—
Amortization of prior actuarial loss	918			1,619			434		372
Net periodic benefit cost	$	5,186		$	6,109		$	2,051	$	1,815

The Company has made pension contributions of $3.3 million during the first six months of 2014, and expects to make total pension contributions of $6.5 million in 2014.