The OneStim Acquisition - Pro Forma (Details) - OneStim $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2020 USD ($) $ / shares shares
Business Acquisition [Line Items]
Revenue	$ 1,067,451
Net loss	(466,533)
Less: Net loss attributable to non-controlling interests	(106,910)
Net loss attributable to Liberty Oilfield Services Inc. stockholders	$ (359,623)
Net loss attributable to Liberty Oilfield Services Inc. stockholders per common share:
Basic (in dollars per share) | $ / shares	$ (2.43)
Diluted (in dollars per share) | $ / shares	$ (2.43)
Weighted average common shares outstanding:
Basic (in shares) | shares	147,978
Diluted (in shares) | shares	147,978