Document and Entity Information - shares	6 Months Ended
	Jun. 30, 2017	Aug. 28, 2017
Entity Registrant Name	Ranger Energy Services, Inc.
Entity Central Index Key	0001699039
Document Type	10-Q
Document Period End Date	Jun. 30, 2017
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Entity Current Reporting Status	Yes
Entity Filer Category	Non-accelerated Filer
Document Fiscal Year Focus	2017
Document Fiscal Period Focus	Q2
Class A Common Stock
Entity Common Stock, Shares Outstanding		8,413,178
Class B Common Stock
Entity Common Stock, Shares Outstanding		6,866,154