XML 51 R39.htm IDEA: XBRL DOCUMENT v3.10.0.1

Organization and Nature of Business (Detail) $ in Thousands, T in Millions	Jun. 01, 2018 USD ($)	May 31, 2018 T
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Anticipated processing capacity upon completion of expansion | T		5.5
Quickthree Solutions
Business Acquisition [Line Items]
Purchase agreement amount	$ 30,000
Potential earn out	$ 12,750
Lease term	3 years

X

- Definition

Anticipated processing capacity upon completion of expansion.

+ References

No definition available.

+ Details

Name:	snd_AnticipatedProcessingCapacityUponCompletionOfExpansion
Namespace Prefix:	snd_
Data Type:	num:massItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Business Combination, Potential Earn Out Payment

+ References

No definition available.

+ Details

Name:	snd_BusinessCombinationPotentialEarnOutPayment
Namespace Prefix:	snd_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- 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.

+ Details

Name:	us-gaap_BusinessAcquisitionLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Term of the lessor's leasing arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	us-gaap_LessorLeasingArrangementsOperatingLeasesTermOfContract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3213-108585

+ Details

Name:	us-gaap_PaymentsToAcquireBusinessesGross
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Details

Name:	us-gaap_BusinessAcquisitionAxis=snd_QuickthreeSolutionsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: