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Summary of Significant Accounting Policies - Additional Information (Details) |  |  |  | 12 Months Ended |
--- | --- | --- | --- | --- | ---
Nov. 03, 2022 USD ($) | Apr. 22, 2021 USD ($) | Apr. 03, 2020 USD ($) | Dec. 31, 2022 USD ($) segment | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($) | Jan. 01, 2022 USD ($)
Significant Accounting Policies |  |  |  |  |  |  |
Number of operating segments | segment |  |  |  | 1 |  |  |
Accounts receivable |  |  |  | $ 278,900,000 | $ 196,200,000 | $ 104,700,000 |
Allowance for credit loss |  |  |  | 11,600,000 | 9,300,000 | 15,200,000 |
Provisions for expected credit losses |  |  |  | 1,900,000 | 4,500,000 | 11,700,000 |
Accounts receivable, writeoff |  |  |  | 400,000 | 1,400,000 | 2,700,000 |
Revenue |  |  |  | 4,095,135,000 | 3,208,323,000 | 2,364,681,000 |
Sales and marketing |  |  |  | 531,512,000 | 411,406,000 | 416,331,000 |
Advertising expenses |  |  |  | 162,100,000 | 145,400,000 | 102,500,000 |
Impairment loss | $ 55,300,000 |  |  |  |  |  |
Prepaid expenses and other current assets |  |  |  | 786,067,000 | 522,212,000 |  |
Goodwill impairment |  |  |  | 0 | 0 | 0 |
Impairment of long-lived assets |  |  |  | 0 | 0 | 0 |
Capitalized software development costs |  |  |  | 12,100,000 | 16,200,000 | 12,800,000 |
Transfer of certain legacy auto insurance liabilities |  |  | $ 407,900,000 |  |  |  |
Net carrying amount of liability component |  |  |  | 839,494,000 | 711,437,000 |  |
Additional paid-in capital |  |  |  | 10,335,013,000 | 9,706,293,000 |  |
Accumulated deficit |  |  |  | (9,940,595,000) | (8,362,572,000) |  |
DARAG Bermuda LTD |  |  |  |  |  |  |
Significant Accounting Policies |  |  |  |  |  |  |
Reserves for current period |  | $ 183,200,000 |  |  |  |  |
Pacific Valley Insurance Company, Inc. | DARAG Bermuda LTD |  |  |  |  |  |  |
Significant Accounting Policies |  |  |  |  |  |  |
Transfer of certain legacy auto insurance liabilities |  | 251,300,000 |  |  |  |  |
Reinsurance obligations |  | 434,500,000 |  |  |  |  |
Unearned premiums |  | $ 271,500,000 |  |  |  |  |
Sales and marketing |  |  |  |  |  |  |
Significant Accounting Policies |  |  |  |  |  |  |
Credit and refund payments |  |  |  | 21,500,000 | 19,100,000 | 18,800,000 |
Cost of revenue |  |  |  |  |  |  |
Significant Accounting Policies |  |  |  |  |  |  |
Credit and refund payments |  |  |  | 7,800,000 | 6,500,000 | 0 |
Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |  |  |
Significant Accounting Policies |  |  |  |  |  |  |
Additional paid-in capital |  |  |  |  |  |  | $ (140,000,000)
Accumulated deficit |  |  |  |  |  |  | 6,500,000
Convertible Senior Notes Due 2025 |  |  |  |  |  |  |
Significant Accounting Policies |  |  |  |  |  |  |
Net carrying amount of liability component |  |  |  | $ 740,609,000 | 604,317,000 |  |
Convertible Senior Notes Due 2025 | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |  |  |
Significant Accounting Policies |  |  |  |  |  |  |
Net carrying amount of liability component |  |  |  |  |  |  | 133,500,000
Scooter |  |  |  |  |  |  |
Significant Accounting Policies |  |  |  |  |  |  |
Estimated useful life of property and equipment |  |  |  | 12 months |  |  |
Depreciation expense |  |  |  | $ 8,600,000 | 5,900,000 | 7,200,000 |
Scooter | Not Yet Placed Into Service |  |  |  |  |  |  |
Significant Accounting Policies |  |  |  |  |  |  |
Prepaid expenses and other current assets |  |  |  | 0 | 0 |  |
Scooter | Placed Into Service |  |  |  |  |  |  |
Significant Accounting Policies |  |  |  |  |  |  |
Prepaid expenses and other current assets |  |  |  | $ 7,500,000 | 15,300,000 |  |
Adjustments |  |  |  |  |  |  |
Significant Accounting Policies |  |  |  |  |  |  |
Additional paid-in capital |  |  |  |  |  |  | (140,000,000)
Accumulated deficit |  |  |  |  |  |  | $ 6,500,000
Minimum |  |  |  |  |  |  |
Significant Accounting Policies |  |  |  |  |  |  |
Estimated useful lives of intangible assets |  |  |  | 2 years |  |  |
Minimum | Property, Plant and Equipment |  |  |  |  |  |  |
Significant Accounting Policies |  |  |  |  |  |  |
Estimated useful life of property and equipment |  |  |  | 2 years |  |  |
Maximum |  |  |  |  |  |  |
Significant Accounting Policies |  |  |  |  |  |  |
Estimated useful lives of intangible assets |  |  |  | 12 years |  |  |
Maximum | Property, Plant and Equipment |  |  |  |  |  |  |
Significant Accounting Policies |  |  |  |  |  |  |
Estimated useful life of property and equipment |  |  |  | 7 years |  |  |
Driver Passenger and Light Vehicle Renter Incentive Programs | Adjustments |  |  |  |  |  |  |
Significant Accounting Policies |  |  |  |  |  |  |
Revenue |  |  |  | $ (1,400,000,000) | (1,300,000,000) | (390,800,000) |
Sales and marketing |  |  |  | $ (109,800,000) | $ (64,700,000) | $ (135,000,000) |

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