v3.19.3

COMMITMENTS AND CONTINGENCIES - Litigation (Details) - USD ($) | Sep. 06, 2019 | Mar. 31, 2018
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Commitments and Contingencies Disclosure [Abstract] |  |
Gross receipts tax and payroll expense tax paid |  | $ 1,300,000
Minimum |  |
Income Tax Examination [Line Items] |  |
Estimate of possible liability for additional taxes, interest and penalties | $ 0 |
Maximum |  |
Income Tax Examination [Line Items] |  |
Estimate of possible liability for additional taxes, interest and penalties | $ 56,000,000 |

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