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Business Acquisition, Equity Interest Acquired, Number of Shares

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Compressor Units Horsepower

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The general partner's ownership interest in partnership as a percentage.

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Number of Compressor Units

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Number of Customers

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Ownership Percentage Held By Public Unitholders In Reporting Entity

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Percentage of Horsepower of Total Fleet

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Number of shares of equity interests issued or issuable to acquire entity.

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Amount of deferred tax asset attributable to deductible temporary differences and carryforwards acquired at the acquisition date.

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Aggregate dividends declared during the period for each share of common stock outstanding.

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Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.

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Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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Percentage investment held by members or limited partners of limited liability company (LLC) or limited partnership (LP).

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Change in the different classes of partners' capital accounts during the year due to acquisitions. Partners include general, limited and preferred partners.

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Monetary value of the issuance of new units of limited partnership interest in a public offering.

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Equity - Narratives (Details) $ / shares in Units, hp in Thousands, $ in Thousands				1 Months Ended			3 Months Ended								12 Months Ended
	Jan. 25, 2019 $ / shares	Apr. 26, 2018 USD ($) shares	Apr. 25, 2018	Aug. 31, 2017 USD ($) shares	Nov. 30, 2016 USD ($) customer hp compressor_unit shares	Mar. 31, 2016 USD ($) customer shares	Dec. 31, 2018 USD ($)	Sep. 30, 2018 USD ($)	Jun. 30, 2018 USD ($)	Mar. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Sep. 30, 2017 USD ($)	Jun. 30, 2017 USD ($)	Mar. 31, 2017 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)
Class of Stock
Ownership percentage held by reporting entity			57.00%
Deferred tax assets net		$ 52,200					$ 51,953				$ 65,238				$ 51,953	$ 65,238
Deferred tax asset valuation allowances		50,800					45,439				300				45,439	300
Adjustments to additional paid in capital, deferred tax asset															105,200
Merger-related costs							$ 169	$ 182	$ 5,686	$ 4,125	$ 275	$ 0	$ 0	$ 0	10,162	275	$ 0
Net proceeds from sale of partnership units, net of tax																49,726
Payment for business acquisition															$ 0	$ 0	13,779
Subsequent Event
Class of Stock
Dividends declared (usd per share) \| $ / shares	$ 0.132
Limited Partner Units
Class of Stock
Shares issued (shares) \| shares				4,600,000
Shares issued, value				$ 60,300
Limited Partner Units \| Parent Company
Class of Stock
Net proceeds from sale of partnership units, net of tax				$ 1,300
General partner units interest (as a percentage)				2.00%
General Partner
Class of Stock
Partners' capital accounts (units) \| shares				93,163
Over-Allotment \| Limited Partner Units
Class of Stock
Shares issued (shares) \| shares				600,000
Archrock \| Archrock, Inc
Class of Stock
Ownership interest percentage			43.00%
Partnership Merger
Class of Stock
Deferred tax assets acquired		$ 156,000
Partnership Merger \| Common Stock
Class of Stock
Business acquisition, shares issued (shares) \| shares		57,600,000.0
Business acquisition, shares acquired (shares) \| shares		41,200,000.0
Share conversion rate (per share)		1.40
Value of shares used as consideration		$ 625,300
November 2016 Acquisition
Class of Stock
Number of customers \| customer					63
Number of compressor units \| compressor_unit					262
Compressor units horsepower \| hp					147
Percentage of horsepower in fleet					4.00%
Payment for business acquisition					$ 85,000
November 2016 Acquisition \| General Partner
Class of Stock
Partners' capital accounts (units) \| shares					111,040
November 2016 Acquisition \| Common Units
Class of Stock
Partners' capital account, units distributed in acquisition (units) \| shares					5,500,000
March 2016 Acquisition
Class of Stock
Merger-related costs																	$ 200
Number of customers \| customer						4
Payment for business acquisition						$ 18,800
March 2016 Acquisition \| Limited Partner Units
Class of Stock
Partners' capital account, units distributed in acquisition (units) \| shares						257,000
Partners' capital account acquisition, value						$ 1,800
March 2016 Acquisition \| General Partner
Class of Stock
General partner units interest (as a percentage)						2.00%
Partners' capital account, units distributed in acquisition (units) \| shares						5,205