Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2017

Commitments and Contingencies Disclosure [Abstract]

Schedule of Future Minimum Lease Payments for Operating Leases

The following table includes future minimum lease payments under capital leases together with the present value of the net minimum lease payments as of December 31, 2017:

(Dollars in thousands)
Year Ending December 31,
2018	$	756
2019	756
2020	737
2021	4,669
2022	76
Thereafter	—
Total	6,994
Less: Interest	(542		)
Present Value of Net Future Minimum Lease Payments	$	6,452

Schedule of Future Minimum Lease Payments for Capital Leases

The following table includes future minimum lease payments required under operating leases that have initial or remaining non-cancelable lease terms in excess of one year as of December 31, 2017:

(Dollars in thousands)
Year Ending December 31,
2018	$	3,833
2019	3,152
2020	2,461
2021	2,022
2022	1,527
Thereafter	474
Total	$	13,469

Operating and capital leases

The following table includes lease expense for the three years ended December 31, 2017:

	For the Year Ended December 31,
(Dollars in thousands)	2017		2016		2015
Operating leases	$	3,819	$	3,567	$	3,531
Capital lease	$	608	$	564	$	667

Schedule of Liability for Unpaid Claims and Claims Adjustment Expense

The following table presents information about our recent asbestos claims activity:

	For the Year Ended December 31,
	2017		2016
Claims outstanding at beginning of year	605		489
New claims filed	362		288
Pending claims concluded*	(280	)	(172	)
Claims outstanding at end of year	687		605

* For the year ended December 31, 2017, 258 claims were dismissed and 22 claims were settled. For the year ended December 31, 2016, 155 claims were dismissed and 17 claims were settled.Settlements totaled approximately $5.0 million for the year ended December 31, 2017, compared to $4.4 million for the year ended December 31, 2016.

Schedule of Loss Contingencies by Contingency

For the years ended December 31, 2017 and 2016, our forecasted asbestos-related claims and insurance receivables for the 40 year projection period and 10 year projection period, respectively, were as follows:

(Dollars in millions)	2017		2016
Asbestos-related claims	$	76.2	$	52.0
Asbestos-related insurance receivables	$	69.2	$	48.4