Transaction with Related Parties - Additional Information (Detail) - USD ($) $ in Millions |
1 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|
Dec. 31, 2017 |
Dec. 31, 2018 |
Dec. 31, 2017 |
Jul. 31, 2017 |
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| Houston | ||||
| Related Party Transaction [Line Items] | ||||
| Discharge from related party debt | $ 0.3 | |||
| Note receivable due from related party | $ 0.3 | |||
| Law Firm | ||||
| Related Party Transaction [Line Items] | ||||
| Legal fees | $ 0.1 | $ 0.7 | ||
| X | ||||||||||
- Definition Related Party Debt Discharged No definition available.
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| X | ||||||||||
- Definition The amount of expense provided in the period for legal costs incurred on or before the balance sheet date pertaining to resolved, pending or threatened litigation, including arbitration and mediation proceedings. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amounts due from parties associated with the reporting entity as evidenced by a written promise to pay, due after 1 year (or 1 business cycle). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- 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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| X | ||||||||||
- Details
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- Details
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