Franchise tax rate calculated on taxable margin.

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- Definition

Term of agreement for transloading of oil and gas, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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- Definition

Represents the percentage of payments of net cash saving in taxes that the entity realizes that are payable.

+ References

No definition available.

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- Definition

Represents the percentage of remaining payments of net cash saving in taxes that the entity realizes that are retained.

+ References

No definition available.

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- Definition

Amount of reasonable estimate for income tax expense (benefit) for remeasurement of deferred tax from change in tax rate pursuant to Tax Cuts and Jobs Act of 2017 for which accounting for tax effect is incomplete.

+ References

No definition available.

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- Definition

Taxable margin is defined as total revenue less deductions for cost of goods sold or compensation and benefits in which the total calculated taxable margin cannot exceed specified maximum percentage of total revenue.

+ References

No definition available.

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- Definition

Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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- Definition

Best estimate of the reasonably possible loss exposure in excess of the amount accrued for remediation, site restoration, postclosure, monitoring commitments, or other exit costs associated with the sale, disposal or abandonment of a particular property resulting from unanticipated contamination of the assets.

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- Definition

The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale).

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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The amount for notes payable (written promise to pay), payable to related parties, which are due after one year (or one business cycle).

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Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.

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The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use.

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Summary of Significant Accounting Policies - Misc (Details) $ in Thousands		12 Months Ended
	May 17, 2017 USD ($)	Dec. 31, 2018	Dec. 31, 2017 USD ($) segment	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)
Impairment of long-lived assets			$ 0	$ 0	$ 0
Term of contract			7 years
Research and development expense			$ 210	476	141
Tax Act remeasurement expense			22,600
Provision for income taxes			25,899	43	67
Payables related to parties pursuant to Tax Receivable Agreement			$ 24,675
U.S. federal corporate tax rate			35.00%
Environmental matters deemed probable			$ 0	$ 0
Number of operating segment \| segment			1
Texas
Franchise tax rate (as a percent)				1.00%
Maximum taxable margin (as a percent)				70.00%
Provision for income taxes			$ 248	$ 43	$ 67
Tax Receivable Agreement
Tax Act remeasurement expense			$ 21,900
Payments of net cash saving (as a percent)	85.00%		85.00%
Benefit of remaining cash savings (as a percent)	15.00%
Payables related to parties pursuant to Tax Receivable Agreement	$ 46,600		$ 24,700
U.S. federal corporate tax rate		21.00%	35.00%
Forecast
U.S. federal corporate tax rate		21.00%