Financial Information (Tables)

6 Months Ended

Jun. 30, 2018

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Schedule of Life Settlement Contracts

The amounts reclassified are presented in the table below.

	Three Months Ended June 30, 2017		Six Months Ended June 30, 2017		Fiscal Years Ended December 31
(Dollars in thousands)					2017		2016		2015
Proceeds from BOLI	$	4,997	$	5,690	$	11,440	$	2,740	$	2,425

Schedule of Net Benefit Costs

The amounts reclassified are presented in the table below.

	Three Months Ended June 30, 2017		Six Months Ended June 30, 2017		Fiscal Years Ended December 31
(Dollars in thousands)					2017		2016			2015
Net periodic benefit cost reclassified	$	812	$	1,250	$	1,946	$	(843	)	$	(1,168	)

The components of net periodic benefit cost for the three months ended June 30 are as follows:

	Pension Benefits						Other Benefits
(Dollars in thousands)	2018			2017			2018			2017
Components of net periodic benefit cost
Service cost	$	10		$	10		$	34		$	27
Interest cost	6,987			7,380			327			325
Expected return on plan assets	(8,226		)	(8,890		)	(269		)	(237		)
Amortization of unrecognized:
Prior service cost/(credit)	—			13			—			24
Actuarial (gain)/loss	2,956			2,380			(91		)	(143		)
Net periodic benefit cost/(credit)	$	1,727		$	893		$	1		$	(4	)

The components of net periodic benefit cost for the six months ended June 30 are as follows:

	Pension Benefits						Other Benefits
(Dollars in thousands)	2018			2017			2018			2017
Components of net periodic benefit cost
Service cost	$	20		$	19		$	67		$	54
Interest cost	13,973			14,759			654			651
Expected return on plan assets	(16,451		)	(17,781		)	(538		)	(474		)
Amortization of unrecognized:
Prior service cost/(credit)	—			26			—			48
Actuarial (gain)/loss	5,912			4,760			(182		)	(285		)
Net periodic benefit cost/(credit)	$	3,454		$	1,783		$	1		$	(6	)