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LEASES (Details) - USD ($) $ in Thousands |  | 3 Months Ended | 9 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Oct. 01, 2019 | Dec. 31, 2019 | Oct. 01, 2019 | Sep. 30, 2019 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018 | Jun. 30, 2020 | Oct. 31, 2019 | Oct. 02, 2019
Other noncurrent assets: |  |  |  |  |  |  |  |  |  |
Operating lease right of use assets | $ 3,694 | $ 3,165 | $ 3,694 |  | $ 310 | $ 3,165 |  |  |  | $ 3,394
Current liabilities: |  |  |  |  |  |  |  |  |  |
Accounts payable and accrued liabilities | 112,578 | 97,333 | 112,578 |  | 58,928 | 97,333 |  |  |  | 115,305
Operating lease liabilities | 1,337 | 923 | 1,337 |  | 403 | 923 |  | $ 500 |  | 913
Other noncurrent liabilities: |  |  |  |  |  |  |  |  |  |
Operating lease liabilities | $ 2,438 | 2,247 | 2,438 |  |  | $ 2,247 |  |  |  | $ 2,482
Lease cost |  |  |  |  |  |  |  |  |  |
Operating lease costs |  | 260 | 1,932 |  | 1,986 |  |  |  |  |
Short-term lease costs |  | 4,408 | 12,262 |  | 16,650 |  |  |  |  |
Variable lease costs |  | 215 | 1,210 |  | 913 |  |  |  |  |
Total lease costs |  | 4,883 | 15,404 |  | 19,549 |  |  |  |  |
Other information |  |  |  |  |  |  |  |  |  |
Operating cash flows from operating leases |  | 254 | 1,936 |  | $ 2,350 |  |  |  |  |
Right-of-use assets obtained in exchange for new operating lease liabilities |  | $ 3,394 | $ 5,462 |  |  |  |  |  |  |
Weighted-average remaining lease term - operating leases | 3 years 8 months 12 days | 3 years 6 months | 3 years 8 months 12 days |  | 6 months | 3 years 6 months |  |  |  |
Weighted-average discount rate - operating leases | 4.83% | 3.70% | 4.83% |  | 3.70% | 3.70% |  |  |  |
Financial Designation, Predecessor and Successor [Fixed List] | Predecessor | Successor | Predecessor | Predecessor | Successor | Successor | Predecessor |  |  |
Minimum |  |  |  |  |  |  |  |  |  |
Other noncurrent liabilities: |  |  |  |  |  |  |  |  |  |
Initial lease term |  | 2 years |  |  | 2 years | 2 years |  |  | 2 years |
Maximum |  |  |  |  |  |  |  |  |  |
Other noncurrent liabilities: |  |  |  |  |  |  |  |  |  |
Initial lease term |  | 5 years |  |  | 5 years | 5 years |  |  | 5 years |

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