Long-Term Debt - Archrock Debt Ratios (Details) - Credit Facility - Revolving Credit Facility	3 Months Ended
Mar. 31, 2018
Line of Credit Facility
EBITDA to Interest Expense	2.25
Total Debt to EBITDA ratio	4.25
Conditional Event
Line of Credit Facility
Total Debt to EBITDA ratio	4.75

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