Annual report pursuant to Section 13 and 15(d)

Redeemable Preferred Units (Details)

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Redeemable Preferred Units (Details) - USD ($)
$ in Millions
Apr. 01, 2021
Nov. 09, 2020
Jun. 11, 2020
Concophillips.      
Redeemable Preferred Units      
Preferred Units, face value     $ 75.0
Solaris Midstream Holdings, LLC and Subsidiaries      
Redeemable Preferred Units      
Repayment of redeemable preferred units $ 74.4    
Solaris Midstream Holdings, LLC and Subsidiaries | Concophillips.      
Redeemable Preferred Units      
Redeemable preferred units issued for purchase of asset (in shares)     7,500
Redeemable preferred units issued for purchase of asset     $ 72.0
Capital call   $ 1.9  
Redemption of preferred units   193  
Solaris Midstream Holdings, LLC and Subsidiaries | Concophillips. | Capital Unit, Class A      
Redeemable Preferred Units      
Units issued in exchange of preferred units   192,981