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Leases - Supplemental Balance Sheet Information (Details) - USD ($) $ in Thousands | Jun. 30, 2019 | Jan. 01, 2019 | Dec. 31, 2018
--- | --- | --- | ---
Operating Leases |  |  |
Operating lease right-of-use assets | $ 115,284 | $ 117,921 | $ 0
Operating lease liabilities – short-term | 26,022 | 24,794 | 0
Operating lease liabilities – long-term | 89,503 | 93,127 | $ 0
Total operating lease liabilities | 115,525 |  |
Finance Leases |  |  |
Property, plant and equipment – gross | 2,354 |  |
Accumulated depreciation | (1,034) |  |
Property, plant and equipment – net | 1,320 | $ 1,032 |
Accounts payable | 591 |  |
Other liabilities | 739 |  |
Total finance lease liabilities | $ 1,330 |  |
Weighted Average Remaining Lease Term |  |  |
Operating leases | 10 years 7 months 20 days |  |
Finance leases | 2 years 4 months 17 days |  |
Weighted Average Discount Rate |  |  |
Operating leases | 6.14% |  |
Finance leases | 5.20% |  |

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