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Crypto Assets Held - Schedule of Fair Value Roll-forward of Crypto Assets Held at Fair Value (Details)
$ in Thousands
 3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2025
USD ($)
crypto_unit
Sep. 30, 2025
USD ($)
crypto_unit
Dec. 31, 2024
USD ($)
crypto_unit
Crypto Asset [Roll Forward]      
Crypto assets held beginning balance   $ 470,101 $ 327,866
Addition of crypto assets   848,866 743,034
Disposition of crypto assets   (730,692) (945,632)
Realized gain on crypto assets   81,249 177,528
Realized loss on crypto assets   (20,094) (1,764)
Unrealized gain (loss) on crypto assets   25,533 169,069
Crypto assets held, ending balance $ 674,963 674,963 470,101
Crypto assets acquired 15,100 238,500 384,300
Disposition 800 192,400 275,100
Realized gain on receivable, crypto assets pledged   44,500 135,800
Unrealized loss on receivable, crypto assets pledged   13,500 (17,800)
Bitcoin      
Crypto Asset [Roll Forward]      
Crypto assets held beginning balance   412,115 295,320
Addition of crypto assets   519,334 431,487
Disposition of crypto assets   (412,454) (608,225)
Realized gain on crypto assets   47,671 149,878
Realized loss on crypto assets   (7,562) (610)
Unrealized gain (loss) on crypto assets   45,642 144,265
Crypto assets held, ending balance $ 604,746 $ 604,746 $ 412,115
Number of crypto assets acquired (in units) | crypto_unit 132 616 2,715
Number of crypto assets disposed (in units) | crypto_unit 5 505 1,879
Ether      
Crypto Asset [Roll Forward]      
Crypto assets held beginning balance   $ 17,562 $ 25,718
Addition of crypto assets   305,186 299,660
Disposition of crypto assets   (293,544) (327,979)
Realized gain on crypto assets   29,188 26,555
Realized loss on crypto assets   (11,482) (545)
Unrealized gain (loss) on crypto assets   (746) (5,847)
Crypto assets held, ending balance $ 46,164 $ 46,164 $ 17,562
Number of crypto assets acquired (in units) | crypto_unit   65,361 68,996
Number of crypto assets disposed (in units) | crypto_unit 1 61,696 56,766
Other      
Crypto Asset [Roll Forward]      
Crypto assets held beginning balance   $ 40,424 $ 6,828
Addition of crypto assets   24,346 11,887
Disposition of crypto assets   (24,694) (9,428)
Realized gain on crypto assets   4,390 1,095
Realized loss on crypto assets   (1,050) (609)
Unrealized gain (loss) on crypto assets   (19,363) 30,651
Crypto assets held, ending balance $ 24,053 $ 24,053 $ 40,424