Employee Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2015

Pension

Employee Benefit Plans

Schedule of components of benefit costs

The following provides the components of benefit costs (income) for the three and six months ended June 30, 2015 and 2014 (dollars in thousands):

	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2015			2014			2015			2014
Interest cost	$	1,984		$	2,208		$	4,057		$	4,416
Expected asset return	(3,366		)	(3,178		)	(6,760		)	(6,356		)
Amortization of loss	39			29			(18		)	58
Net periodic benefit income	(1,343		)	(941		)	(2,721		)	(1,882		)
Settlement loss	1,397			—			2,248			—
Net benefit expense (income)	$	54		$	(941	)	$	(473	)	$	(1,882	)

Other Postretirement Benefits

Employee Benefit Plans

Schedule of components of benefit costs

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2015		2014		2015		2014
Service cost	$	259	$	230	$	518	$	460
Interest cost	589		602		1,178		1,204
Amortization of loss	149		15		299		30
Net periodic benefit cost	$	997	$	847	$	1,995	$	1,694