v3.26.1
2. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Schedule of Financial Instruments (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Mar. 31, 2026
Sep. 30, 2025
Jun. 30, 2025
Mar. 31, 2025
Sep. 30, 2024
Net Investment Income [Line Items]            
Cash equivalents $ 202,601     $ 34,553    
Bitcoin 714,293 [1] $ 813,221 $ 1,189,443 $ 1,079,754 [1] $ 979,635 $ 431,661
Derivative investments 922   233      
Amount            
Net Investment Income [Line Items]            
Cash equivalents [2] 9   32,992      
Receivable from bitcoin collateral [3] 100,607   294,648      
Bitcoin 714,293   1,189,443      
Bitcoin derivative - Bitmain contracts 116   233      
Derivative investments 780          
DAM derivative liabilities 3,040          
Interest rate swap derivative 26   93      
Warrant liabilities 3   115      
Level 1            
Net Investment Income [Line Items]            
Cash equivalents [2] 9   32,992      
Receivable from bitcoin collateral [3] 0   0      
Bitcoin 714,293   1,189,443      
Bitcoin derivative - Bitmain contracts 0   0      
Derivative investments 0          
DAM derivative liabilities 0          
Interest rate swap derivative 0   0      
Warrant liabilities 0   0      
Level 2            
Net Investment Income [Line Items]            
Cash equivalents [2] 0   0      
Receivable from bitcoin collateral [3] 100,607   294,648      
Bitcoin 0   0      
Bitcoin derivative - Bitmain contracts 116   0      
Derivative investments 780          
DAM derivative liabilities 3,040          
Interest rate swap derivative 26   93      
Warrant liabilities 3   115      
Level 3            
Net Investment Income [Line Items]            
Cash equivalents [2] 0   0      
Receivable from bitcoin collateral [3] 0   0      
Bitcoin 0   0      
Bitcoin derivative - Bitmain contracts 0   233      
Derivative investments 0          
DAM derivative liabilities 0          
Interest rate swap derivative 0   0      
Warrant liabilities $ 0   $ 0      
[1] Includes Bitcoin - current of $592,058 and Bitcoin - noncurrent of $122,235 as presented within Condensed Consolidated Balance Sheets as of June 30, 2026.
[2] Represents money market funds.
[3] See Note 5 - Receivable from Bitcoin Collateral for more information.