XML 64 R55.htm IDEA: XBRL DOCUMENT
v3.19.3.a.u2

Inventories - Schedule of Inventories (Detail) - USD ($) $ in Thousands | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Inventory [Line Items] |  |
Total sand inventory | $ 21,415 | $ 18,575
Sand [Member] |  |
Inventory [Line Items] |  |
Raw material | 527 | 1,201
Work in progress | 14,173 | 10,070
Finished goods | 4,097 | 4,648
Spare parts | 2,618 | 1,356
Total sand inventory | $ 21,415 | $ 17,275

X
- Definition Inventory finished goods net. + References No definition available. + Details
Name: | snd_InventoryFinishedGoodsNet
Namespace Prefix: | snd_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Inventory raw material Net. + References No definition available. + Details
Name: | snd_InventoryRawMaterialNet
Namespace Prefix: | snd_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Inventory, spare parts, net. + References No definition available. + Details
Name: | snd_InventorySparePartsNet
Namespace Prefix: | snd_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Inventory work in process net. + References No definition available. + Details
Name: | snd_InventoryWorkInProcessNet
Namespace Prefix: | snd_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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_InventoryLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118951113&loc=d3e6676-107765 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 330 -SubTopic 10 -Section 35 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=116846819&loc=d3e3927-108312 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.6(a)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_InventoryNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_PublicUtilitiesInventoryAxis=snd_SandMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |