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SENIOR NOTES, NET - Schedule of Senior Notes, Net (Details) - Senior Notes [Member] - USD ($) $ in Thousands | Mar. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Debt Instrument [Line Items] |  |
Net debt issuance costs | $ (7,900) | $ (8,327)
Senior notes, net | 996,327 | 996,105
7.00% senior notes due 2022 [Member] |  |
Debt Instrument [Line Items] |  |
Senior notes, gross | $ 300,000 | $ 300,000
Stated interest rate | 7.00% | 7.00%
6.00% senior notes due 2025 [Member] |  |
Debt Instrument [Line Items] |  |
Senior notes, gross | $ 404,227 | $ 404,432
Stated interest rate | 6.00% | 6.00%
Unamortized premium | $ 4,227 | $ 4,432
5.125% senior notes due 2027 [Member] |  |
Debt Instrument [Line Items] |  |
Senior notes, gross | $ 300,000 | $ 300,000
Stated interest rate | 5.125% | 5.125%

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