Defined Benefit Pension Plan (Tables)

9 Months Ended

Sep. 30, 2017

Defined Benefit Pension Plans and Defined Benefit Postretirement Plans Disclosure [Abstract]

Schedule of Net Benefit Costs [Table Text Block]

Net periodic pension benefit for the three and nine months ended September 30 consisted of the following components:

	Three Months Ended September 30,						Nine Months Ended September 30,
	2017			2016			2017			2016
	(Dollars in thousands)
Interest cost on projected benefit obligation	$	172		$	175		$	516		$	525
Expected return on plan assets	(243		)	(259		)	(729		)	(777		)
Amortization of net loss	51			41			153			123
Net periodic benefit	$	(20	)	$	(43	)	$	(60	)	$	(129	)