Balance Sheet Components - Prepaid Expense and Other Current Assets (Details) - USD ($) $ in Thousands		Mar. 31, 2022	Dec. 31, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Prepaid hardware and software maintenance		$ 3,691	$ 3,494
Receivables from employees		8,410	5,463
Other prepaid expenses and other current assets		24,899	21,704
Prepaid expenses and other current assets	[1]	$ 37,000	$ 30,661

[1] We have variable interest entities, which represent a portion of the consolidated balances recorded within these financial statement line items in the condensed consolidated balance sheets (see Note 11 - Portfolio Financings).