Employee Benefit Plan (Tables)

3 Months Ended

Mar. 31, 2019

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)	3/31/2019			3/31/2018			3/31/2019			3/31/2018			3/31/2019		3/31/2018
Service cost	$	0		$	0		$	50		$	53		$	37	$	45
Interest cost	745			591			73			65			229		206
Expected return on plan assets	(1,234		)	(1,417		)	0			0			0		0
Amortization of net retirement plan actuarial loss	337			267			0			15			85		135
Amortization of net retirement plan prior service (credit) cost	(3		)	(3		)	(15		)	(15		)	22		22
Net periodic benefit (income) cost	$	(155	)	$	(562	)	$	108		$	118		$	373	$	408