Defined Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2018

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

Schedule of Net Periodic Benefit Costs

The components of net periodic benefit costs from these defined benefit plans are as follows:

	Three Months Ended June 30,
(Dollars in thousands)	Pension Benefits					Other Benefits
	2018			2017		2018			2017
Service cost	$	153		$	9	$	1		$	1
Interest cost		205			11		5			5
Expected return on plan assets		(211	)		-		-			-
Amortization (accretion) of prior service cost		4			4		(5	)		(6	)
Settlement gain		(380	)		-		-			-
Net periodic benefit (income) expense	$	(229	)	$	24	$	1		$	-

	Six Months Ended June 30,
(Dollars in thousands)	Pension Benefits					Other Benefits
	2018			2017		2018			2017
Service cost	$	161		$	18	$	2		$	2
Interest cost		215			22		9			10
Expected return on plan assets		(211	)		-		-			-
Amortization (accretion) of prior service cost		8			7		(10	)		(12	)
Settlement gain		(380	)		-		-			-
Net periodic benefit (income) expense	$	(207	)	$	47	$	1		$	-