Leases - Additional Information (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2018	Dec. 31, 2020
Lessee Lease Description [Line Items]
Weighted-average remaining lease terms for operating leases		6 years
Weighted-average remaining lease terms for finance leases		3 years
Weighted-average discount rates for operating leases		4.00%
Weighted-average discount rates for finance leases		3.80%
Compressors and Equipment [Member]
Lessee Lease Description [Line Items]
Operating Lease, Expense	$ 56.0
Minimum [Member]
Lessee Lease Description [Line Items]
Remaining lease terms		1 year
Maximum [Member]
Lessee Lease Description [Line Items]
Remaining lease terms		9 years
Options to extend lease term		20 years

Weighted average discount rate for finance lease calculated at point in time.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
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Weighted average remaining lease term for finance lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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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.

+ References

No definition available.

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Term of lessee's operating lease renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

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Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

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Amount of operating lease expense. Excludes sublease income.

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- Definition

Weighted average discount rate for operating lease calculated at point in time.

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Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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