Quarterly report pursuant to Section 13 or 15(d)

BASIS OF PRESENTATION, CONSOLIDATION AND ACCOUNTING POLICIES - Narrative (Details)

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BASIS OF PRESENTATION, CONSOLIDATION AND ACCOUNTING POLICIES - Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Organization, Consolidation And Presentation Of Financial Statements [Line Items]    
Loss on sale of subsidiaries $ 2,002 $ 0
Hauser    
Organization, Consolidation And Presentation Of Financial Statements [Line Items]    
Noncontrolling ownership percentage 75.00%  
Hauser | Sicher    
Organization, Consolidation And Presentation Of Financial Statements [Line Items]    
Noncontrolling ownership percentage 100.00%  
Petroleum Air Services    
Organization, Consolidation And Presentation Of Financial Statements [Line Items]    
Economic interest ownership percentage 25.00%  
Loss on investment $ 16,000  
Equity Securities without Readily Determinable Fair Value, Amount $ 17,000