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Summary of Significant Accounting Policies - Narrative (Details) $ / shares in Units, $ in Thousands |  |  | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | ---
Dec. 16, 2020 $ / shares shares | Mar. 02, 2020 $ / shares shares | Dec. 31, 2021 USD ($) segement $ / shares shares | Dec. 31, 2020 USD ($) shares | Dec. 31, 2019 USD ($) | Mar. 31, 2021 $ / shares | Jan. 01, 2021 USD ($) | Sep. 30, 2020 $ / shares
Concentration Risk [Line Items] |  |  |  |  |  |  |  |
Reduction to revenue, end-user incentives | $ |  |  | $ 74,100 | $ 51,300 | $ 27,700 |  |  |
Sales and marketing expense, end-user incentive | $ |  |  | 176,100 | 91,500 | 45,200 |  |  |
Engagement marketing | $ |  |  | 187,600 | 99,800 | 50,700 |  |  |
Restricted cash included in other long-term assets of December 31, 2021 and 2020, respectively | $ |  |  | $ 2,920 | 2,920 |  |  |  |
Number of operating segments | segement |  |  | 1 |  |  |  |  |
Advertising costs | $ |  |  | $ 242,200 | $ 136,800 | $ 53,500 |  |  |
Number of shares issued (in shares) | 15,853,052 | 69,000,000 | 10,033,333 |  |  |  |  |
Number of warrants per unit (in shares) | 0.25 |  |  |  |  |  |  |
Stock sold, price per share (in dollars per share) | $ / shares | $ 10.00 | $ 10.00 |  |  |  | $ 23.34 |  | $ 43.11
Warrant exercise price (in dollars per share) | $ / shares |  | $ 11.50 | $ 11.50 |  |  |  |  |
Warrants forfeited (in shares) |  |  | 5,016,666 |  |  |  |  |
Expected dividend yield |  |  | 0.00% |  |  |  |  |
Right-of-use asset | $ |  |  |  |  |  |  | $ 13,700 |
Lease liabilities | $ |  |  |  |  |  |  | $ 14,600 |
Current finance lease liability, extensible enumeration |  |  | Other current liabilities |  |  |  |  |
Noncurrent finance lease liability, extensible enumeration |  |  | Other long-term liabilities |  |  |  |  |
Sponsor |  |  |  |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |  |  |  |
Warrants forfeited (in shares) | 5,016,666 |  |  |  |  |  |  |
Public Common Stock Warrants |  |  |  |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |  |  |  |
Number of shares issued (in shares) |  | 17,250,000 |  |  |  |  |  |
Warrant exercise price (in dollars per share) | $ / shares |  | $ 11.50 |  |  |  |  |  |
Warrants outstanding (in shares) |  |  | 0 | 17,249,977 |  |  |  |
Private Warrants |  |  |  |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |  |  |  |
Number of shares issued (in shares) |  | 10,033,333 |  |  |  |  |  |
Stock sold, price per share (in dollars per share) | $ / shares |  | $ 1.50 |  |  |  |  |  |
Warrants outstanding (in shares) |  |  | 4,535,728 | 5,016,666 |  |  |  |
Class A Common Stock |  |  |  |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |  |  |  |
Number of shares per unit (in shares) |  | 1 |  |  |  |  |  |
Number of shares called by each warrant (in shares) |  | 1 | 1 |  |  |  |  |
Class A Common Stock | Public Common Stock Warrants |  |  |  |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |  |  |  |
Number of shares called by each warrant (in shares) |  | 1 |  |  |  |  |  |
Class A Common Stock | Private Warrants |  |  |  |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |  |  |  |
Number of shares called by each warrant (in shares) |  | 1 |  |  |  |  |  |
Minimum |  |  |  |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |  |  |  |
Intangible asset, useful life |  |  | 1 year |  |  |  |  |
Useful life |  |  | 3 years |  |  |  |  |
Maximum |  |  |  |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |  |  |  |
Intangible asset, useful life |  |  | 8 years |  |  |  |  |
Useful life |  |  | 5 years |  |  |  |  |
Revenue | Customer Concentration Risk | Game Developer A |  |  |  |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |  |  |  |
Concentration risk, percentage |  |  | 42.00% | 59.00% | 83.00% |  |  |
Revenue | Customer Concentration Risk | Game Developer B |  |  |  |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |  |  |  |
Concentration risk, percentage |  |  | 39.00% | 28.00% |  |  |  |
Revenue | Customer Concentration Risk | Game Developer C |  |  |  |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |  |  |  |
Concentration risk, percentage |  |  |  |  | 7.00% |  |  |

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