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Leases (Tables) | 6 Months Ended
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Jun. 30, 2019
Leases [Abstract] |
Components of leases | The components of lease expense were as follows:
| Three Months Ended June 30, |  | Six Months Ended June 30,
(in thousands) | 2019 |  | 2018 |  | 2019 |  | 2018
Operating lease cost | $ | 1,100 |  |  | $ | 917 |  |  | $ | 2,081 |  |  | $ | 1,770 |
Finance lease cost |  |  |  |  |  |  |
Amortization of ROU assets | $ | 155 |  |  | $ | 152 |  |  | $ | 308 |  |  | $ | 304 |
Interest on lease liabilities | 1 |  |  | 10 |  |  | 3 |  |  | 19 |
Total finance lease cost | $ | 156 |  |  | $ | 162 |  |  | $ | 311 |  |  | $ | 323 |
Supplemental information related to leases was as follows:
| June 30, 2019 |  | December 31, 2018
Operating leases |  |  |
Weighted average remaining lease term | 3.4 years |  | 3.1 years
Weighted average discount rate | 6.8% |  | 7.1%
| Three Months Ended June 30, |  | Six Months Ended June 30,
(in thousands) | 2019 |  | 2018 |  | 2019 |  | 2018
ROU assets obtained in exchange for lease obligations |  |  |  |  |  |  |
Operating leases | $ | — |  |  | $ | 1,262 |  |  | $ | 2,198 |  |  | $ | 1,262 |
Finance leases | — |  |  | — |  |  | 11 |  |  | — |
Schedule of maturities of operating lease liabilities | Maturities of operating lease liabilities at June 30, 2019 were as follows:
(in thousands) |
Year ending December 31, |
2019(1) | $ | 2,195 |
2020 | 4,181 |
2021 | 2,243 |
2022 | 926 |
2023 | 694 |
Thereafter | 1,337 |
Total lease payments | 11,576 |
Less: imputed interest | (1,071 | )
Total | $ | 10,505 |
_______________ (1) Represents the six months ending December 31, 2019.

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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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