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REVENUE (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2021 | Mar. 31, 2020 | Dec. 31, 2020
Disaggregation of Revenue [Line Items] |  |  |
Deferred Revenue | $ 22,600 |  | $ 24,300
Revenue from Contract with Customer, Excluding Assessed Tax | 4,041,477 | $ 1,968,647 |
Cost of goods sold | 3,230,441 | $ 1,592,249 |
Contract with Customer, Refund Liability | $ 36,600 |  | $ 38,900
Revenue, Information Used to Assess Variable Consideration Constraint | 105.4 million | 23.3 million |
EES |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | $ 1,720,813 | $ 1,114,457 |
CSS |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 1,250,615 | 223,726 |
UBS |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 1,070,049 | 630,464 |
UNITED STATES |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 2,930,435 | 1,478,491 |
CANADA |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 607,753 | 377,419 |
Non-US [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 503,289 | 112,737 |
Shipping and Handling [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Cost of goods sold | $ 53,300 | $ 18,000 |

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