Summary of Significant Accounting Policies - Revenues Disaggregated (Details) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2026 USD ($)	Jun. 30, 2025 USD ($)	Jun. 30, 2026 USD ($) segment	Jun. 30, 2025 USD ($)
Disaggregation of Revenue
Number of reportable segments \| segment			2
Total revenue	$ 219,400	$ 149,328	$ 415,639	$ 275,660
Sublease income	27,900	28,600	72,500	36,200
Solaris Power Solutions
Disaggregation of Revenue
Total revenue	158,300	75,600	286,800	125,000
Solaris Logistics Solutions
Disaggregation of Revenue
Total revenue	61,100	73,700	128,800	150,700
Leasing revenue \| Solaris Power Solutions
Disaggregation of Revenue
Total revenue	105,700	61,900	211,000	101,000
Service revenue \| Solaris Power Solutions
Disaggregation of Revenue
Total revenue	52,600	13,700	75,800	24,000
Service revenue \| Solaris Logistics Solutions
Disaggregation of Revenue
Total revenue	$ 61,100	$ 73,700	$ 128,800	$ 150,700

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.

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- Definition

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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