Pension and Employee Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2018

Compensation And Retirement Disclosure [Abstract]

Components of Pension and Employee Benefit Expenses

The components of the expense consisted of the following:

(Table only in thousands)	Three Months Ended June 30,						Six Months Ended June 30,
	2018			2017			2018			2017
Pension plan:
Service cost	$	—		$	101		$	—		$	214
Interest cost		298			329			595			657
Expected return on plan assets		(378	)		(431	)		(756	)		(861	)
Amortization of net actuarial loss		59			57			119			113
Net periodic benefit cost (gain)	$	(21	)	$	56		$	(42	)	$	123
Health care plan:
Interest cost	$	1		$	1		$	1		$	2
Amortization of loss		2			2			4			4
Net periodic benefit cost	$	3		$	3		$	5		$	6