Certain Balance Sheet Components Accounts Receivable, Net (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Accounts Receivable, after Allowance for Credit Loss, Current [Abstract]
Trade receivables (net of allowance of $5,598 and $5,730)	$ 266,774	$ 261,124
Unbilled receivables	36,476	37,335
Total accounts receivable, net	$ 303,250	$ 298,459

The total amount due to the entity within one year of the balance sheet date (or one operating cycle, if longer) from outside sources, including trade accounts receivable, notes and loans receivable, as well as any other types of receivables, net of allowances established for the purpose of reducing such receivables to an amount that approximates their net realizable value.

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Name:	us-gaap_ReceivablesNetCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant