XML 100 R83.htm IDEA: XBRL DOCUMENT
v3.6.0.2

Subsequent Events - Additional Information (Detail) $ / shares in Units, $ in Thousands, t in Millions | Jul. 01, 2017 $ / shares shares | Feb. 15, 2017 USD ($) $ / shares shares | Jan. 30, 2017 t | Dec. 31, 2016 $ / shares | Dec. 31, 2015 $ / shares
--- | --- | --- | --- | --- | ---
Subsequent Event [Line Items] |  |  |  |  |
Common stock, par value | $ / shares |  |  |  | $ 0.001 | $ 0.001
Subsequent Event |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Stock issued during period shares new issues and stock sold by selling shareholders | shares | 5,950,000 |  |  |  |
Common stock, par value | $ / shares | $ 0.001 |  |  |  |
Purchase price per share | $ / shares | 17.50 | $ 17.50 |  |  |
Share price, net of underwriting discount | $ / shares | $ 16.58125 |  |  |  |
Proceeds from equity issuance, net, shares | shares | 1,500,000 |  |  |  |
Stock sold by selling shareholders | shares | 4,450,000 |  |  |  |
Common stock sold by underwriters from exercising option | shares |  | 892,500 |  |  |
Proceeds from issuance of common stock | $ |  | $ 0 |  |  |
Subsequent Event | Maximum |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Raw frac sand produced per year | t |  |  | 4.4 |  |

X
- Definition Common stock shares sold pursuant to exercise of underwriters option. + References No definition available. + Details
Name: | snd_CommonStockSharesSoldPursuantToExerciseOfUnderwritersOption
Namespace Prefix: | snd_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Share price net of underwriting discounts. + References No definition available. + Details
Name: | snd_SharePriceNetOfUnderwritingDiscounts
Namespace Prefix: | snd_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Stock issued during period shares new issues and stock sold by selling shareholders. + References No definition available. + Details
Name: | snd_StockIssuedDuringPeriodSharesNewIssuesAndStockSoldBySellingShareholders
Namespace Prefix: | snd_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Stock sold by selling shareholders. + References No definition available. + Details
Name: | snd_StockSoldBySellingShareholders
Namespace Prefix: | snd_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tons of raw frac sand produced. + References No definition available. + Details
Name: | snd_TonsOfRawFracSandProduced
Namespace Prefix: | snd_
Data Type: | num:massItemType
Balance Type: | na
Period Type: | instant

X
- Definition Face amount or stated value per share of common stock. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 30 -Article 5 + Details
Name: | us-gaap_CommonStockParOrStatedValuePerShare
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition The cash inflow from the additional capital contribution to the entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3255-108585 + Details
Name: | us-gaap_ProceedsFromIssuanceOfCommonStock
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction. + References No definition available. + Details
Name: | us-gaap_SaleOfStockPricePerShare
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of new stock issued during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29, 30 -Article 5 + Details
Name: | us-gaap_StockIssuedDuringPeriodSharesNewIssues
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. + References No definition available. + Details
Name: | us-gaap_SubsequentEventLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |