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Commitments and Contingencies (Tables) | 12 Months Ended
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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 |

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- Definition Tabular disclosure of future minimum lease payments as of the date of the latest balance sheet presented, in aggregate and for each of the five years succeeding fiscal years, with separate deductions from the total for the amount representing executor costs, including any profit thereon, included in the minimum lease payments and for the amount of the imputed interest necessary to reduce the net minimum lease payments to present value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=84164817&loc=d3e45280-112737 + Details
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- Definition Tabular disclosure of future minimum payments required in the aggregate and for each of the five succeeding fiscal years for operating leases having initial or remaining noncancelable lease terms in excess of one year and the total minimum rentals to be received in the future under noncancelable subleases as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=77902758&loc=d3e41502-112717 + Details
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- Definition Tabular disclosure of the activity in the reserve for settling insured claims and expenses incurred in the claims settlement process for the period. The estimated liability includes the amount of money that will be required for future payments of (a) claims that have been reported to the insurer, (b) claims related to insured events that have occurred but that have not been reported to the insurer as of the date the liability is estimated, and (c) claim adjustment expenses. Claim adjustment expenses include costs incurred in the claim settlement process such as legal fees; outside adjuster fees; and costs to record, process, and adjust claims. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 40 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=65670824&loc=d3e14764-158437 + Details
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