Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities.

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The aggregate amount of receivables to be collected from related parties where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth, at the financial statement date. which are usually due within one year (or one business cycle).

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+ References

No definition available.

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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.

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Minimum amount of purchase arrangement maturing in the remainder of the fiscal year following the latest fiscal year ended. Includes, but is not limited to, recorded and unrecorded purchase obligations, long-term purchase commitments, and short-term purchase commitments.

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No definition available.

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Carrying value as of the balance sheet date of liabilities incurred through that date and payable for statutory sales and use taxes, including value added tax.

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Carrying amount (including both current and noncurrent portions) of accrued known and estimated losses incurred as of the balance sheet date for which no insurance coverage exists, and for which a claim has been made or is probable of being asserted, typically arising from workmen's compensation-type of incidents and personal injury to nonemployees from accidents on the entity's property.

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Represents the number of major customers of the entity defined by revenue from any single customer representing 10% or more of total revenue.

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No definition available.

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Commitments and Contingencies (Details)	3 Months Ended		9 Months Ended
Commitments and Contingencies (Details)	Sep. 30, 2019 USD ($)	Sep. 30, 2018 USD ($)	Sep. 30, 2019 USD ($)	Sep. 30, 2018 USD ($)	Dec. 31, 2018 USD ($)
Other commitments
Number of major customers (single customer representing 10% or more of total revenue)	0	0	0	0
Sales and local taxes accrued	$ 44,900,000		$ 44,900,000		$ 44,900,000
Self insurance liability	800,000		800,000
Compression units
Other commitments
Future purchase commitments	47,700,000		47,700,000
Purchase commitments expected to be settled in the remainder of 2019	7,800,000		7,800,000
ETO
Other commitments
Accrued liabilities	44,900,000		44,900,000
Related party receivables	$ 44,900,000		$ 44,900,000		$ 44,900,000