Balance Sheet Components - Prepaid Expense and Other Current Assets (Details) - USD ($) $ in Thousands		Mar. 31, 2024	Dec. 31, 2023
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Prepaid workers compensation		$ 4,275	$ 6,851
Receivables from employees		6,637	6,538
Prepaid managed services		4,452	5,636
Prepaid hardware and software maintenance		4,505	5,202
Tax receivables		5,192	3,231
Advance income tax provision		2,866	2,557
Deferred expenses		2,180	2,257
Deposits made		1,701	1,702
Interest receivable		1,947	1,697
Prepaid rent		1,067	1,232
Prepaid deferred commissions		1,113	1,178
Other prepaid expenses and other current assets		11,704	13,067
Total prepaid expenses and other current assets	[1],[2]	$ 47,639	$ 51,148

[1] We have a variable interest entity related to a joint venture in the Republic of Korea (see Note 15 — SK ecoplant Strategic Investment), which represents a portion of the consolidated balances recorded within these financial statement line items.

[2] Including amounts from related parties of $2.2 million and $2.3 million as of March 31, 2024 and December 31, 2023, respectively.