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Basis of Presentation and Summary of Significant Accounting Policies - Property and Equipment (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Property and Equipment
Capitalized interest	$ 100,000	$ 200,000	$ 500,000	$ 300,000
Impairment of intangible assets	0	0	0	0
Impairment of goodwill	$ 0	$ 0	$ 0	$ 0
Minimum
Property and Equipment
Amortization period of identifiable intangible asset			15 years
Maximum
Property and Equipment
Amortization period of identifiable intangible asset			25 years
Compression equipment overhauls | Minimum
Property and Equipment
Estimated useful lives			3 years
Compression equipment overhauls | Maximum
Property and Equipment
Estimated useful lives			5 years

X

- Definition

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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+ References

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-Publisher FASB
-Name Accounting Standards Codification
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-Section 50
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The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of an intangible asset (excluding goodwill) to fair value.

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Amount of interest capitalized during the period.

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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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