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OTHER NON-FINANCIAL LIABILITIES (Details) - USD ($) | 1 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Sep. 30, 2019 | Dec. 31, 2019 | Jan. 02, 2020 | Sep. 26, 2019 | Dec. 31, 2018
OTHER NON-FINANCIAL LIABILITIES [Abstract] |  |  |  |  |
Delta Air Lines Inc. compensation |  |  |  | $ 350,000,000 |
Cease to receive | $ 150,000 |  |  |  |
Quarterly installments payments |  | $ 200,000,000 | $ 25,000,000 |  |
Sale Receivable |  | 194,068,000 |  |  |
Accounts and Financing Receivable, after Allowance for Credit Loss |  | 5,932,000 |  |  |
Deferred income |  | 1,511,991,000 |  |  | $ 1,299,304,000
Compensation deferred income |  | 4,435 |  |  |
Commercial accounts payable |  | $ 30,340,000 |  |  |

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