Pension and Employee Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2017

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,
	2017			2016			2017			2016
Pension plan:
Service cost	$	101		$	112		$	214		$	223
Interest cost		329			356			657			713
Expected return on plan assets		(431	)		(457	)		(861	)		(914	)
Amortization of net actuarial loss		57			53			113			106
Net periodic benefit cost	$	56		$	64		$	123		$	128
Health care plan:
Interest cost	$	1		$	1		$	2		$	2
Amortization of loss		2			3			4			5
Net periodic benefit cost	$	3		$	4		$	6		$	7