Earnings per Share (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Basic:
Income attributable to Ranger Energy Services, Inc.	$ 8.7	$ 9.4	$ 12.6	$ 21.7
Net income attributable to Class A Common Stock	8.7	9.4	12.6	21.7
Diluted:
Income attributable to Ranger Energy Services, Inc.	8.7	9.4	12.6	21.7
Net income attributable to Class A Common Stock	$ 8.7	$ 9.4	$ 12.6	$ 21.7
Weighted average shares (denominator):
Weighted average number of shares - basic (in shares)	22,241,847	24,500,607	22,608,796	24,758,890
Effect of share-based awards (in shares)	252,606	386,668	122,463	390,525
Weighted average number of shares - diluted (in shares)	22,494,453	24,887,275	22,731,259	25,149,415
Basic income per share (in dollars per share)	$ 0.39	$ 0.38	$ 0.56	$ 0.88
Diluted income per share (in dollars per share)	$ 0.39	$ 0.38	$ 0.55	$ 0.86