XML 42 R29.htm IDEA: XBRL DOCUMENT v3.24.2.u1

Summary of Significant Accounting Policies - Additional Information (Detail) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Accounting Policies [Line Items]
Prepaid expenses and other current assets	$ 2,929	$ 3,217
Employee Retention Credit
Accounting Policies [Line Items]
Prepaid expenses and other current assets	$ 522	$ 522

X

- Definition

Accounting Policies

+ References

No definition available.

+ Details

Name:	snd_AccountingPoliciesLineItems
Namespace Prefix:	snd_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(9))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1

+ Details

Name:	us-gaap_PrepaidExpenseAndOtherAssetsCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Details

Name:	snd_OtherRevenueDetailAxis=snd_EmployeeRetentionCreditMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: