CONSOLIDATED STATEMENTS OF OPERATIONS (Parenthetical) - USD ($) |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
|
| CONSOLIDATED STATEMENTS OF OPERATIONS | |||
| Losses accrued on firm purchase commitments | $ 0 | $ 5,000,000 | $ 0 |
| X | ||||||||||
- Definition Refers to losses accrued on firm purchase commitments. No definition available.
|
| X | ||||||||||
- References No definition available.
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