| Cover | Nov. 08, 2019 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Nov. 8, 2019 |
| Entity File Number | 001-33078 |
| Entity Registrant Name | ARCHROCK PARTNERS, L.P. |
| Entity Central Index Key | 0001367064 |
| Entity Tax Identification Number | 22-3935108 |
| Entity Incorporation, State or Country Code | DE |
| Entity Address, Address Line One | 9807 Katy Freeway |
| Entity Address, Address Line Two | Suite 100 |
| Entity Address, City or Town | Houston |
| Entity Address, State or Province | TX |
| Entity Address, Postal Zip Code | 77024 |
| City Area Code | 281 |
| Local Phone Number | 836-8000 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | false |
