Employee Benefit Plan (Tables)

6 Months Ended

Jun. 30, 2017

Compensation and Retirement Disclosure [Abstract]

Schedule of net periodic benefit cost and other comprehensive income

Components of Net periodic Benefit Cost

	Pension Benefits Three Months Ended						Life and Health Three Months Ended					SERP Benefits Three Months Ended
(in thousands)	6/30/2017			6/30/2016			6/30/2017			6/30/2016		6/30/2017		6/30/2016
Service cost	$	0		$	0		$	28		$	47	$	29	$	14
Interest cost	643			587			62			65		217		205
Expected return on plan assets	(1,256		)	(1,207		)	0			0		0		0
Amortization of net retirement plan actuarial loss	286			249			13			2		98		75
Amortization of net retirement plan prior service (credit) cost	(3		)	(4		)	(35		)	4		22		8
Net periodic benefit (income) cost	$	(330	)	$	(375	)	$	68		$	118	$	366	$	302

Components of Net periodic Benefit Cost

	Pension Benefits Six Months Ended						Life and Health Six Months Ended					SERP Benefits Six Months Ended
(in thousands)	6/30/2017			6/30/2016			6/30/2017			6/30/2016		6/30/2017		6/30/2016
Service cost	$	0		$	0		$	96		$	129	$	83	$	86
Interest cost	1,250			1,237			134			141		426		416
Expected return on plan assets	(2,523		)	(2,422		)	0			0		0		0
Amortization of net retirement plan actuarial loss	537			487			17			3		199		179
Amortization of net retirement plan prior service cost (credit)	(5		)	(7		)	(31		)	8		44		38
Net periodic benefit (income) cost	$	(741	)	$	(705	)	$	216		$	281	$	752	$	719