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OTHER CONSOLIDATED BALANCE SHEET COMPONENTS (CURRENT) - Reserve for Transaction Losses (Details) - Transaction Losses - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
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Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020
Loss Contingency Accrual [Roll Forward] |  |  |  |
Accrued transaction losses, beginning of the period | $ 48,480 | $ 109,061 | $ 70,557 | $ 34,771
Provision for transaction losses | 17,364 | (4,549) | 38,406 | 107,524
Charge-offs to accrued transaction losses | (18,107) | (17,577) | (61,226) | (55,360)
Accrued transaction losses, end of the period | $ 47,737 | $ 86,935 | $ 47,737 | $ 86,935

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- Definition Loss Contingency, Charge-Off And Recoveries + References No definition available. + Details
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- Definition Amount of loss contingency liability expected to be resolved within one year or the normal operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121557415&loc=d3e14326-108349 + Details
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- Definition Amount charged against operating income increasing loss contingency liability, after adjustments to reduce previously estimated charges. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121557415&loc=d3e14326-108349 + Details
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
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- Details
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