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Investments in Equity Securities - Narrative (Details) - USD ($)
3 Months Ended 12 Months Ended
Sep. 15, 2022
Apr. 27, 2022
Apr. 14, 2021
Sep. 30, 2022
Jun. 30, 2022
Mar. 31, 2022
Sep. 30, 2021
Mar. 31, 2021
Dec. 31, 2022
Dec. 31, 2021
Jun. 30, 2021
Dec. 31, 2018
Debt and Equity Securities, FV-NI [Line Items]                        
Investments in equity securities                 $ 330,000 $ 1,838,000    
Common shares issued for extinguishment of debt (in shares)       111,585 35,062 57,472 11,696 11,919        
Common stock, par value (in usd per share)                 $ 0.001 $ 0.001 $ 0.001  
Gain on conversion of note receivable                 $ 791,000 $ 0    
Unrealized loss on equity securities                 7,904,000 57,067,000    
FOXO Technologies Inc. | Level 1 - Quoted Prices in Active Markets for Identical Assets                        
Debt and Equity Securities, FV-NI [Line Items]                        
Investments in equity securities                 320,000      
Unrealized loss on equity securities                 6,100,000      
FOXO Technologies Inc. | Common Class A                        
Debt and Equity Securities, FV-NI [Line Items]                        
Common shares issued for extinguishment of debt (in shares) 891,124                      
Common stock, par value (in usd per share) $ 0.0001                      
Gain on conversion of note receivable                 800,000      
FOXO Technologies Inc. | Convertible Notes                        
Debt and Equity Securities, FV-NI [Line Items]                        
Debt securities, available-for-sale, discount, percentage   10.00%                    
Investments in debt securities   $ 6,050,000                    
Payments to acquire debt securities, available-for-sale   $ 5,500,000                    
Debt securities, available-for-sale, interest rate   12.00%                    
Debt securities, available-for-sale, term   12 months                    
Debt securities, available-for-sale, extension option term   3 months                    
Debt securities, available-for-sale, conversion term   270 days                    
Unrealized loss on equity securities                 57,100,000      
Sysorex                        
Debt and Equity Securities, FV-NI [Line Items]                        
Finance receivable, gross               $ 9,100,000        
Sysorex Settlement Agreement | Sysorex                        
Debt and Equity Securities, FV-NI [Line Items]                        
Stock received during period for debt settlement (in shares)     12,972,189                  
Investments in equity securities                 10,000.00 $ 1,800,000    
Rights Letter Agreement | Sysorex                        
Debt and Equity Securities, FV-NI [Line Items]                        
Stock received during period for debt settlement (in shares)     3,000,000                  
Purchase Agreement | Sysorex                        
Debt and Equity Securities, FV-NI [Line Items]                        
Aggregate maximum principal amount of note receivable                 $ 10,000,000     $ 3,000,000