Consolidated Balance Sheet Components - Accounts Receivable, Net (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total accounts receivable	$ 22,239	$ 25,516
Less: allowance for doubtful accounts	(540)	(210)
Total	21,699	25,306
Trade accounts receivable
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total accounts receivable	12,596	16,284
Deposits at brokers or dealers
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total accounts receivable	1,590	0
Crypto receivable from liquidity providers
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total accounts receivable	186	0
Unbilled receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total accounts receivable	6,003	6,445
Other receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total accounts receivable	$ 1,864	$ 2,787