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v3.19.3.a.u2

Organization (Details) |  | 12 Months Ended |
--- | --- | --- | ---
Sep. 01, 2017 USD ($) | Dec. 31, 2018 USD ($) segment | Dec. 31, 2017 USD ($) | Dec. 31, 2016 USD ($) | Aug. 14, 2017 USD ($)
Business Acquisition [Line Items] |  |  |  |  |
Limited liability company, ownership interest owned |  | 100.00% |  |  |
Payments to acquire business |  | $ 0 | $ 1,325,759,000 | $ 25,394,000 |
Number of divisions that constitute reportable segments | segment |  | 4 |  |  |
Class A Convertible Preferred Stock Units |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Private placement of convertible preferred units | $ 750,000,000 |  |  |  |
Class A Convertible Preferred Stock Units | Private Placement |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Private placement of convertible preferred units | 750,000,000 |  |  |  |
6.500% senior unsecured notes |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Debt issued, aggregate principal amount |  | $ 550,000,000 | $ 550,000,000 |  |
Alkali Business |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Payments to acquire business | 1,325,000,000 |  |  |  |
Alkali Business | Class A Convertible Preferred Stock Units | Private Placement |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Private placement of convertible preferred units | 750,000,000 |  |  |  |
Alkali Business | 6.500% senior unsecured notes |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Debt issued, aggregate principal amount | $ 550,000,000 |  |  |  | $ 550,000,000

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