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Organization and Basis of Presentation and Consolidation (Details) $ in Thousands |  | 9 Months Ended |
--- | --- | --- | ---
Sep. 01, 2017 USD ($) | Sep. 30, 2018 USD ($) segment | Sep. 30, 2017 USD ($) | Dec. 31, 2017 USD ($)
Organization, Consolidation and Presentation of Financial Statements [Abstract] |  |  |  |
Limited Partners' ownership percentage |  | 100.00% |  |
Business Acquisition [Line Items] |  |  |  |
Cash payment to acquire business |  | $ 0 | $ 1,325,759 |
Number of reportable segments | segment |  | 4 |  |
6.500% Senior Unsecured Notes Due October 2025 |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Debt issued |  | $ 550,000 |  | $ 550,000
Private Placement | Class A Convertible Preferred Stock Units |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Temporary equity, stock issued during period (in shares) | $ 750,000 |  |  |
Alkali Business |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Cash payment to acquire business | 1,325,000 |  |  |
Alkali Business | 6.500% Senior Unsecured Notes Due October 2025 |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Debt issued | 550,000 |  |  |
Alkali Business | Private Placement | Class A Convertible Preferred Stock Units |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Temporary equity, stock issued during period (in shares) | $ 750,000 |  |  |

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