Loss Per Share (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2017
Basic
Net loss attributable to Ranger Energy Services, Inc.	$ (3.5)	$ (3.5)
Diluted
Net loss attributable to Ranger Energy Services, Inc.	$ (3.5)	$ (3.5)
Weighted average shares (denominator):
Weighted average number of shares - basic and diluted	8,413,178	8,413,178
Basic loss per share	$ (0.42)	$ (0.42)
Diluted loss per share	$ (0.42)	$ (0.42)
Common shares excluded from earning per share calculation as effect was anti-dilutive	6,900,000	6,900,000
Class A Common Stock
Basic
Net loss attributable to Ranger Energy Services, Inc.	$ (3.5)	$ (3.5)
Diluted
Net loss attributable to Ranger Energy Services, Inc.	$ (3.5)	$ (3.5)