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LEASE ARRANGEMENTS (Tables) | 12 Months Ended
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Dec. 31, 2018
Leases [Abstract] |
Future Minimum Lease Payments Required Under Lease Commitments | Future minimum lease payments required under these lease commitments as of December 31, 2018 are as follows (in thousands):
| Capital Leases |  | Operating Leases
2019 | $ | 361 |  |  | $ | 3,253 |
2020 | 361 |  |  | 2,612 |
2021 | 361 |  |  | 2,095 |
2022 | 30 |  |  | 862 |
2023 | — |  |  | 649 |
Thereafter | — |  |  | 1,733 |
Total minimum lease payments | $ | 1,113 |  |  | $ | 11,204 |
Interest | (100 | ) |  |
Present value of net minimum lease payments | $ | 1,013 |  |  |

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