Earnings per Share (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Basic:
Income attributable to Ranger Energy Services, Inc.	$ 1.2	$ 8.7	$ 9.1	$ 12.6
Net income attributable to Class A Common Stock	1.2	8.7	9.1	12.6
Diluted:
Income attributable to Ranger Energy Services, Inc.	1.2	8.7	9.1	12.6
Net income attributable to Class A Common Stock	$ 1.2	$ 8.7	$ 9.1	$ 12.6
Weighted average shares (denominator):
Weighted average number of shares - basic (in shares)	21,769,012	22,241,847	22,208,218	22,608,796
Effect of share-based awards (in shares)	313,752	252,606	311,862	122,463
Weighted average number of shares - diluted (in shares)	22,082,764	22,494,453	22,520,080	22,731,259
Basic income per share (in dollars per share)	$ 0.06	$ 0.39	$ 0.41	$ 0.56
Diluted income per share (in dollars per share)	$ 0.05	$ 0.39	$ 0.40	$ 0.55