Mammoth Energy Services, Inc. Quarterly report pursuant to Section 13 or 15(d)

Acquisitions - Schedule of Assets Acquired and Liabilities Assumed WTL Oil (Details)

v3.19.2

Acquisitions - Schedule of Assets Acquired and Liabilities Assumed WTL Oil (Details) - USD ($) $ in Thousands		6 Months Ended
	May 31, 2018	Jun. 30, 2019	Dec. 31, 2018	Dec. 31, 2017
Business Acquisition [Line Items]
Goodwill		$ 101,245	$ 101,245	$ 99,811
WTL Oil LLC
Business Acquisition [Line Items]
Property, plant and equipment	$ 2,960
Goodwill	1,567
Total assets acquired	6,107
Customer relationships
Business Acquisition [Line Items]
Finite-lived intangible asset, useful life (in years)		6 years 5 months 30 days
Customer relationships \| WTL Oil LLC
Business Acquisition [Line Items]
Identifiable intangible assets	930
Trade names
Business Acquisition [Line Items]
Finite-lived intangible asset, useful life (in years)		8 years 7 months
Trade names \| WTL Oil LLC
Business Acquisition [Line Items]
Identifiable intangible assets	$ 650
Minimum \| WTL Oil LLC
Business Acquisition [Line Items]
Finite-lived intangible asset, useful life (in years)	10 years
Maximum \| WTL Oil LLC
Business Acquisition [Line Items]
Finite-lived intangible asset, useful life (in years)	20 years

- Definition

Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets And Goodwill, Total

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Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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