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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-Publisher FASB
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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

The amount of identifiable intangible assets recognized as of the acquisition date.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 55
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Business Combinations - Intangible Assets Acquired (Details) - USD ($) $ in Thousands	May 01, 2018	Aug. 16, 2017	Dec. 31, 2017
EPMH
Business Acquisition [Line Items]
Approximate fair value	$ 21,050
EPMH \| Technology and intellectual property
Business Acquisition [Line Items]
Approximate fair value	$ 2,000
Estimated useful life (in years)	15 years
EPMH \| Customer relationships
Business Acquisition [Line Items]
Approximate fair value	$ 19,050
Estimated useful life (in years)	15 years
MS Sand
Business Acquisition [Line Items]
Approximate fair value			$ 1,840
MS Sand \| Customer relationships
Business Acquisition [Line Items]
Approximate fair value		$ 1,840
Estimated useful life (in years)		15 years