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Long-term Debt - Additional Information (Detail)
 1 Months Ended 3 Months Ended 6 Months Ended 9 Months Ended 12 Months Ended
Mar. 24, 2023
USD ($)
Mar. 23, 2022
USD ($)
Jun. 14, 2021
USD ($)
Jun. 30, 2022
USD ($)
Feb. 28, 2021
USD ($)
Dec. 31, 2020
USD ($)
Sep. 30, 2023
USD ($)
Bitcoin
shares
Mar. 31, 2023
USD ($)
Sep. 30, 2022
USD ($)
Sep. 30, 2023
USD ($)
Bitcoin
shares
Sep. 30, 2023
USD ($)
Bitcoin
shares
Sep. 30, 2022
USD ($)
Dec. 31, 2022
USD ($)
Debt Instrument [Line Items]                          
Payment to extinguishment of debt                     $ 160,033,000 $ 0  
Gain on extinguishment of debt             $ 0   $ 0   44,686,000 0  
Current portion of long-term debt, net             $ 475,000     $ 475,000 $ 475,000   $ 454,000
Senior Secured Notes Due Twenty Twenty Eight                          
Debt Instrument [Line Items]                          
Debt Instrument, Face Amount     $ 500,000,000                    
Interest rate, fixed percentage     6.125%                    
Periodic payment description     The 2028 Secured Notes bear interest at a fixed rate of 6.125% per annum, payable semiannually in arrears on June 15 and December 15 of each year, beginning on December 15, 2021.                    
Payment start date     Dec. 15, 2021                    
Debt instrument, maturity date     Jun. 15, 2028                    
Debt instrument, first springing maturity date     Sep. 15, 2025                    
Debt instrument, second springing maturity date     Nov. 16, 2026                    
Convertible Senior Notes due 2025                          
Debt Instrument [Line Items]                          
Debt Instrument, Face Amount           $ 650,000,000              
Interest rate, fixed percentage           0.75%              
Periodic payment description           The 2025 Convertible Notes are senior unsecured obligations of the Company and bear interest at a fixed rate of 0.750% per annum, payable semiannually in arrears on June 15 and December 15 of each year, beginning on June 15, 2021.              
Payment start date           Jun. 15, 2021              
Debt instrument, maturity date           Dec. 15, 2025              
Number of shares convertible from notes | shares             1,633,190     1,633,190 1,633,190    
Total Interest Paid             $ 0   0   $ 2,400,000 2,400,000  
Additional interest paid             $ 0       $ 0    
Convertible Senior Notes due 2027                          
Debt Instrument [Line Items]                          
Debt Instrument, Face Amount         $ 1,050,000,000.00                
Interest rate, fixed percentage         0.00%                
Periodic payment description         The 2027 Convertible Notes are senior unsecured obligations of the Company and do not bear regular interest. However, holders of the 2027 Convertible Notes may receive special interest under specified circumstances as outlined in the indenture relating to the issuance of the 2027 Convertible Notes. Any special interest is payable semiannually in arrears on February 15 and August 15 of each year, beginning on August 15, 2021                
Payment start date         Aug. 15, 2021                
Debt instrument, maturity date         Feb. 15, 2027                
Number of shares convertible from notes | shares             733,005     733,005 733,005    
Convertible Senior Notes due 2027                          
Debt Instrument [Line Items]                          
Total Interest Paid             $ 0       $ 0    
Secured Notes Due Twenty Twenty Eight                          
Debt Instrument [Line Items]                          
Interest rate, fixed percentage             6.125%     6.125% 6.125%    
Total Interest Paid             $ 0   0   $ 15,300,000 15,300,000  
Interest expense             $ 7,657,000   7,657,000   $ 22,969,000 22,969,000  
Debt instrument, first springing maturity date     Sep. 15, 2025                    
Debt instrument, second springing maturity date     Nov. 16, 2026                    
Unencumbered existing digital assets | Bitcoin             92,079     92,079 92,079    
Secured Notes Due Twenty Twenty Eight | Minimum                          
Debt Instrument [Line Items]                          
Springing maturity condition FCCR liquidity percentage     130.00%                    
Springing maturity condition 1 liquidity percentage     130.00%                    
Springing maturity condition 2 liquidity percentage     130.00%                    
Secured Notes Due Twenty Twenty Eight | Maximum                          
Debt Instrument [Line Items]                          
Springing maturity condition FCCR - aggregate principal of FCCR convertible notes outstanding     $ 100,000,000                    
Springing maturity condition 1- aggregate principal of 2025 convertible notes outstanding     100,000,000                    
Springing maturity condition 2- aggregate principal of 2027 convertible notes outstanding     $ 100,000,000                    
Secured Term Loan Due Twenty Twenty Five                          
Debt Instrument [Line Items]                          
Debt Instrument, Face Amount $ 205,000,000 $ 205,000,000                      
Total Interest Paid               $ 5,100,000 2,700,000     4,300,000  
Interest expense                 $ 2,931,000 $ 0 $ 3,781,000 $ 5,314,000  
Interest paid included in Payoff Amount 1,100,000             1,100,000          
Prepayment of Debt 161,000,000                        
Payment to extinguishment of debt 159,900,000                        
Extinguishment of third party fees 100,000                        
Repayment of debt 204,700,000                        
Gain on extinguishment of debt               $ 44,700,000          
LTV Percentage Maximum                         50.00%
Number of bitcoins remained unencumbered | Bitcoin             82,991     82,991 82,991    
Secured Term Loan Due Twenty Twenty Five | Collateral Pledged                          
Debt Instrument [Line Items]                          
Cash reserve   $ 5,000,000                      
Reserve Fund Against Payoff Amount $ 5,000,000                        
Other Long-Term Secured Debt                          
Debt Instrument [Line Items]                          
Outstanding Principal Balance             $ 10,500,000     $ 10,500,000 $ 10,500,000    
Debt Instrument, Face Amount       $ 11,100,000                  
Interest rate, fixed percentage       5.20%                  
Debt instrument, maturity year month       2027-06                  
Net carrying value             10,300,000     10,300,000 10,300,000    
Current portion of long-term debt, net             $ 500,000     $ 500,000 $ 500,000