BALANCE SHEETS COMPONENTS - Other Noncurrent Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Deferred rent	$ 0	$ 28,881
Customer deposits	13,398	8,028
Capital lease liabilities	0	1,996
Operating leases liabilities, net of current portion	169,433	0
Income tax liabilities	265	234
Other long-term liabilities	$ 183,096	$ 39,139

Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal, through the balance sheet date and due to be paid more than one year (or one operating cycle, if longer) after the balance sheet date.

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Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as noncurrent.

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Amount of excess of rental payment required by lease over rental income recognized, classified as noncurrent.

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Amount of liabilities classified as other, due after one year or the normal operating cycle, if longer.

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