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DERIVATIVE CONTRACTS AND COLLATERALIZED INDEBTEDNESS - Settlements of Collateralized Indebtedness (Details) - USD ($) $ in Thousands | 1 Months Ended | 6 Months Ended
--- | --- | ---
Jan. 31, 2021 | Jun. 30, 2021 | Jun. 30, 2020
Derivative [Line Items] |  |  |
Number of shares (in shares) | 5,337,750 |  |
Notes Payable that will be reclassed to collateralized debt upon maturity |  | $ 59,451 |
Proceeds from Issuance of Secured Debt |  | 185,105 | $ 0
Comcast Synthetic Monetization Closeout |  |  |
Derivative [Line Items] |  |  |
Proceeds from Issuance of Secured Debt |  | $ 185,102 |

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- Definition Notes Payable that was reclassed to collateralized debt upon maturity + References No definition available. + Details
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- Definition Number of shares of equity investment that were monetized. + References No definition available. + Details
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- Definition The cash inflow from amounts received from issuance of long-term debt that is wholly or partially secured by collateral. Excludes proceeds from tax exempt secured debt. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3255-108585 + Details
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