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Leases (Tables) | 6 Months Ended
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Jun. 30, 2019
Leases [Abstract] |
Lease, Cost | The following table includes our expenses and payments for operating leases for the three and six months ended June 30, 2019:
(Dollars in thousands) | Three Months Ended |  | Six Months Ended
| June 30, 2019 |  | June 30, 2019
Operating leases expense | 775 |  |  | 1,493 |
Short-term leases expense | 43 |  |  | 82 |
Payments on operating lease obligations | 760 |  |  | 1,524 |
The following table includes information regarding the lease term and discount rates utilized in the calculation of the present value of net future minimum lease payments:
| Finance Leases |  | Operating Leases
Weighted Average Remaining Lease Term | 2.0 years |  | 2.7 years
Weighted Average Discount Rate | 2.55% |  | 6.09%
Assets and Liabilities Balance Related to Finance and Operating Leases | As of June 30, 2019 and December 31, 2018, our assets and liabilities balances related to finance and operating leases were as follows:
(Dollars in thousands) | Location in Statements of Financial Position |  | June 30, 2019 |  | December 31, 2018
Finance lease right-of-use assets | Property, plant and equipment, net |  | $ | 6,529 |  |  | $ | 6,750 |
Operating lease right-of-use assets | Other long-term assets |  | $ | 6,285 |  |  | $ | — |
Finance lease obligations, current portion | Other accrued liabilities |  | $ | 420 |  |  | $ | 420 |
Finance lease obligations, non-current portion | Other long-term liabilities |  | $ | 4,394 |  |  | $ | 4,629 |
Total finance lease obligations |  |  | $ | 4,814 |  |  | $ | 5,049 |
Operating lease obligations, current portion | Other accrued liabilities |  | $ | 2,594 |  |  | $ | — |
Operating lease obligations, non-current portion | Other long-term liabilities |  | $ | 3,710 |  |  | $ | — |
Total operating lease obligations |  |  | $ | 6,304 |  |  | $ | — |
Finance Lease, Liability, Maturity | The following table includes future minimum lease payments under finance and operating leases together with the present value of the net future minimum lease payments as of June 30, 2019:
(Dollars in thousands) | Finance |  | Operating
| Leases |  | Leases Signed |  | Less: Leases Not Yet Commenced |  | Leases
2019 | $ | 278 |  |  | $ | 1,478 |  |  | $ | — |  |  | $ | 1,478 |
2020 | 521 |  |  | 2,713 |  |  | — |  |  | 2,713 |
2021 | 4,238 |  |  | 1,589 |  |  | — |  |  | 1,589 |
2022 | — |  |  | 822 |  |  | — |  |  | 822 |
2023 | — |  |  | 229 |  |  | — |  |  | 229 |
Thereafter | — |  |  | 30 |  |  | — |  |  | 30 |
Total Lease Payments | 5,037 |  |  | 6,861 |  |  | — |  |  | 6,861 |
Less: Interest | (223 | ) |  | (557 | ) |  | — |  |  | (557 | )
Present Value of Net Future Minimum Lease Payments | $ | 4,814 |  |  | $ | 6,304 |  |  | $ | — |  |  | $ | 6,304 |
Operating Lease, Liability, Maturity | The following table includes future minimum lease payments under finance and operating leases together with the present value of the net future minimum lease payments as of June 30, 2019:
(Dollars in thousands) | Finance |  | Operating
| Leases |  | Leases Signed |  | Less: Leases Not Yet Commenced |  | Leases
2019 | $ | 278 |  |  | $ | 1,478 |  |  | $ | — |  |  | $ | 1,478 |
2020 | 521 |  |  | 2,713 |  |  | — |  |  | 2,713 |
2021 | 4,238 |  |  | 1,589 |  |  | — |  |  | 1,589 |
2022 | — |  |  | 822 |  |  | — |  |  | 822 |
2023 | — |  |  | 229 |  |  | — |  |  | 229 |
Thereafter | — |  |  | 30 |  |  | — |  |  | 30 |
Total Lease Payments | 5,037 |  |  | 6,861 |  |  | — |  |  | 6,861 |
Less: Interest | (223 | ) |  | (557 | ) |  | — |  |  | (557 | )
Present Value of Net Future Minimum Lease Payments | $ | 4,814 |  |  | $ | 6,304 |  |  | $ | — |  |  | $ | 6,304 |

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- Definition Tabular disclosure of undiscounted cash flows of finance lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to finance lease liability recognized in statement of financial position. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918701-209980 + Details
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- Definition Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980 + Details
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- Definition Tabular disclosure of undiscounted cash flows of lessee's operating lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating lease liability recognized in statement of financial position. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918701-209980 + Details
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