Safeguarding Obligation For Crypto (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Platform Operator, Crypto-Asset [Line Items]
Safeguarding obligation for crypto	$ 505,697	$ 15,792
Safeguarding asset for crypto	505,697	15,792
Bitcoin
Platform Operator, Crypto-Asset [Line Items]
Safeguarding obligation for crypto	178,726	15,717
Ether
Platform Operator, Crypto-Asset [Line Items]
Safeguarding obligation for crypto	148,733	75
Shiba Inu
Platform Operator, Crypto-Asset [Line Items]
Safeguarding obligation for crypto	105,181	0
Dogecoin
Platform Operator, Crypto-Asset [Line Items]
Safeguarding obligation for crypto	53,626	0
Other
Platform Operator, Crypto-Asset [Line Items]
Safeguarding obligation for crypto	$ 19,431	$ 0