Commitments and Contingencies - Narrative (Details) - USD ($) $ in Millions |
6 Months Ended | ||
|---|---|---|---|
Jun. 30, 2019 |
Jun. 30, 2018 |
Dec. 31, 2018 |
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| Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] | |||
| Deposit to property acquisition | $ 6.1 | ||
| Remaining payments | 45.2 | ||
| Investment company, committed capital | 3.7 | ||
| Supplies expense, estimated indirect benefit to the former executive officer | 0.4 | $ 0.0 | |
| Letters of credit | 1.5 | $ 1.8 | |
| SandCo | |||
| Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] | |||
| Supplies expense | $ 22.1 | $ 0.0 | |
| Former executive officer | LandCo | |||
| Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] | |||
| Noncontrolling interest ownership (in percentage) | 44.00% | ||
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- Definition Supplies Expense, Estimated Indirect Benefit To The Former Executive Officer No definition available.
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Amount of escrow deposit disbursements related to property acquisition in noncash investing or financing transactions. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of funds committed to investment company from investors. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The total amount of the contingent obligation under letters of credit outstanding as of the reporting date. No definition available.
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- Definition The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity. No definition available.
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- Definition Minimum amount to be expended to satisfy the terms of arrangements in which the entity has agreed to expend funds to procure goods or services, excluding long-term purchase commitments or unconditional purchase obligations. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of expense associated with supplies that were used during the current accounting period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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