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Commitments and Contingencies (Details)
$ in Thousands
1 Months Ended 3 Months Ended 9 Months Ended
Sep. 30, 2016
USD ($)
party
Jun. 30, 2021
USD ($)
Jun. 30, 2021
USD ($)
Jun. 30, 2020
USD ($)
Environmental Exit Cost [Line Items]        
Insurance recoveries to date     $ 1,076  
Abrasive particle supply agreement        
Environmental Exit Cost [Line Items]        
Purchase obligation   $ 12,918 12,918  
Non-water Based Carrier Fluid        
Environmental Exit Cost [Line Items]        
Purchase obligation   11,311 11,311  
KMG-Bernuth        
Environmental Exit Cost [Line Items]        
Remediation expense recognized   26 26 $ 1,688
Estimated remediation cost $ 22,000      
Number of other parties in agreement | party 7      
Estimated reserve, remaining   $ 204 $ 204