Earnings per Share - Net Income Attributable to Archrock Common Stockholders (Details) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended				12 Months Ended
	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Summary of net income attributable to Exterran common stockholders used in the calculation of basic and diluted income per common share
Net income from continuing operations attributable to Archrock stockholders					$ 97,603	$ 21,063	$ 19,007
Income (loss) from discontinued operations, net of tax					(273)	0	(54)
Net income attributable to Archrock stockholders	$ 12,968	$ 9,974	$ 1,937	$ (3,816)	97,330	21,063	18,953
Less: Net income attributable to participating securities					(1,348)	(815)	(681)
Net Income (Loss) Available to Common Stockholders, Basic					$ 95,982	$ 20,248	$ 18,272
Potential shares of common stock included in computing diluted income attributable to Exterran common stockholders per common share
Weighted average common shares outstanding including participating securities					139,317	110,843	70,860
Less: Weighted average participating securities outstanding					(1,825)	(1,538)	(1,308)
Weighted average common shares outstanding used in basic net income per common share					137,492	109,305	69,552
Net dilutive potential common shares issuable:
Weighted average common shares outstanding - used in diluted income (loss) per common share (in shares)					137,528	109,421	69,664
On exercise of options and vesting of performance-based restricted stock units
Net dilutive potential common shares issuable:
On exercise of options and vesting of restricted stock units (in shares)					34	111	112
On settlement of employee stock purchase plan shares
Net dilutive potential common shares issuable:
On exercise of options and vesting of restricted stock units (in shares)					2	5	0