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RELATED PARTY TRANSACTIONS - Narrative (Details) - USD ($) $ in Thousands, shares in Millions | 1 Months Ended | 12 Months Ended
--- | --- | ---
Jul. 31, 2020 | Dec. 31, 2020
Related Party Transaction |  |
Stock issued during period, new issues (shares) | 17.3 |
Issuance of common stock | $ 1,400,000 | $ 0
Leasing Arrangements | IAC |  |
Related Party Transaction |  |
Proceeds from contributions from affiliates |  | 100
Payments of distributions to affiliates |  | 1,100
Pass-through Transactions | IAC |  |
Related Party Transaction |  |
Due to affiliate |  | 3,400
Separation Agreement | IAC | Common Stock |  |
Related Party Transaction |  |
Stock issued during period, new issues (shares) | 17.3 |
Issuance of common stock | $ 1,400,000 |
Tax Sharing Agreement | IAC |  |
Related Party Transaction |  |
Proceeds from contributions from affiliates |  | 4,300
Payments of distributions to affiliates |  | 20,900
Due to related parties |  | 1,600
Tax Sharing Agreement | IAC | Other Current Assets |  |
Related Party Transaction |  |
Due from affiliates |  | 1,900
Tax Sharing Agreement | IAC | Other Noncurrent Assets |  |
Related Party Transaction |  |
Due from affiliates |  | 600
Transition Services Agreement | IAC |  |
Related Party Transaction |  |
Proceeds from contributions from affiliates |  | 2,400
Payments of distributions to affiliates |  | 300
Equity Award Transactions | IAC |  |
Related Party Transaction |  |
Payments of distributions to affiliates |  | 2,000
Due to affiliate |  | 1,600
Health and Welfare and 401(k) Plans | IAC |  |
Related Party Transaction |  |
Payments of distributions to affiliates |  | $ 18,300

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