Employee Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2013

Pension Benefits

Employee Benefit Plans

Schedule of components of benefit costs

The following provides the components of benefit costs for the three and six months ended June 30, 2013 and 2012 (dollars in thousands):

	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2013			2012			2013			2012
Service cost	$	—		$	(12	)	$	—		$	1,538
Interest cost	2,055			2,440			4,111			4,936
Expected asset return	(2,935		)	(2,882		)	(5,870		)	(5,711		)
Amortization of loss	148			20			296			242
Net periodic benefit cost	$	(732	)	$	(434	)	$	(1,463	)	$	1,005

Other Postretirement Benefits

Employee Benefit Plans

Schedule of components of benefit costs

The following provides the components of benefit costs for the three and six months ended June 30, 2013 and 2012 (dollars in thousands):

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2013		2012		2013		2012
Service cost	$	277	$	251	$	555	$	503
Interest cost	516		598		1,032		1,196
Amortization of loss	74		40		149		81
Net periodic benefit cost	$	867	$	889	$	1,736	$	1,780