Employee Benefit Plan (Tables)

9 Months Ended

Sep. 30, 2018

Retirement Benefits [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)	9/30/2018			9/30/2017			9/30/2018			9/30/2017			9/30/2018		9/30/2017
Service cost	$	0		$	0		$	53		$	48		$	40	$	42
Interest cost	627			625			68			67			208		213
Expected return on plan assets	(1,412		)	(1,293		)	0			0			0		0
Amortization of net retirement plan actuarial loss	280			269			16			9			135		100
Amortization of net retirement plan prior service (credit) cost	(3		)	(3		)	(15		)	(15		)	22		22
Net periodic benefit (income) cost	$	(508	)	$	(402	)	$	122		$	109		$	405	$	377

Components of Net Periodic Benefit Cost

	Pension Benefits Nine Months Ended						Life and Health Nine Months Ended						SERP Benefits Nine Months Ended
(in thousands)	9/30/2018			9/30/2017			9/30/2018			9/30/2017			9/30/2018		9/30/2017
Service cost	$	0		$	0		$	159		$	144		$	120	$	125
Interest cost	1,881			1,875			203			201			625		639
Expected return on plan assets	(4,236		)	(3,816		)	0			0			0		0
Amortization of net retirement plan actuarial loss	839			806			47			26			404		299
Amortization of net retirement plan prior service cost (credit)	(8		)	(8		)	(47		)	(47		)	65		65
Net periodic benefit (income) cost	$	(1,524	)	$	(1,143	)	$	362		$	324		$	1,214	$	1,128