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Leases - Supplemental Balance Sheet Information (Details) - USD ($) $ in Thousands | Jun. 30, 2020 | Dec. 31, 2019
--- | --- | ---
Operating Leases |  |
Other non-current assets | $ 11,159 | $ 12,858
Accrued liabilities | 3,263 | 3,972
Other long-term liabilities | 7,996 | 8,989
Total operating lease liabilities | 11,259 | 12,961
Finance Leases |  |
Property, plant and equipment, gross | 471 | 524
Accumulated Depreciation | (263) | (265)
Property, plant and equipment, net | 208 | 259
Current maturities of long-term debt and finance lease obligations | 72 | 90
Long-term debt and finance lease obligations, net of current maturities | 123 | 174
Total finance lease liabilities | $ 195 | $ 264
Operating Leases Weighted Average Remaining Lease Term | 5 years 14 days | 5 years 1 month 6 days
Finance Leases Weighted Average Remaining Lease Term | 3 years 3 months 14 days | 3 years 5 months 19 days
Operating Lease Weighted Average Discount Rate (as percent) | 3.20% | 3.29%
Finance Lease Weighted Average Discount Rate (as percent) | 3.46% | 3.39%
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Finance lease asset, statement of financial position [Extensible List] | us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization | us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization
Current finance lease liability, statement of financial position [Extensible List] | us-gaap:LongTermDebtAndCapitalLeaseObligationsCurrent | us-gaap:LongTermDebtAndCapitalLeaseObligationsCurrent
Noncurrent finance lease liability, statement of financial position [Extensible List] | us-gaap:LongTermDebtAndCapitalLeaseObligations | us-gaap:LongTermDebtAndCapitalLeaseObligations

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