Balance Sheet Components - Other Long-Term Assets (Details) - USD ($) $ in Thousands		Mar. 31, 2021	Dec. 31, 2020
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Prepaid and other long-term assets		$ 24,834	$ 24,116
Deferred commissions		6,744	6,732
Equity-method investments		1,880	1,954
Long-term deposits		1,741	1,709
Other long-term assets	[1]	$ 35,199	$ 34,511

[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).