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Common Stock - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands |  |  |  | 3 Months Ended | 9 Months Ended
--- | --- | --- | --- | --- | ---
Sep. 17, 2021 | Apr. 08, 2021 | Oct. 05, 2020 | Sep. 30, 2021 | Jun. 30, 2021 | Sep. 30, 2021 | Sep. 30, 2020
Subsequent Event [Line Items] |  |  |  |  |  |  |
Payments for common stock issuance costs |  |  |  | $ 2,500 | $ 4,300 | $ 6,827 | $ 0
Warrant, exercise price (in dollars per share) |  |  |  | $ 75.90 |  | $ 75.90 |
Issuance of common stock upon the exercise of stock options (in shares) |  |  |  |  |  | 76,000 |
Proceeds from exercise of stock options |  |  |  |  |  | $ 819 | $ 436
Punchh Inc. |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |
Equity interest issued (in shares) |  | 1,493,130 |  |  |  |  |
Warrant |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |
Derivative, fair value |  | $ 14,300 |  |  |  |  |
Private Placement |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |
Number of shares issued in transaction (in shares) |  | 2,352,942 |  |  |  |  |
Sale of stock, consideration received on transaction |  | $ 160,000 |  |  |  |  |
Payments for common stock issuance costs |  | $ 4,300 |  |  |  |  |
Private Placement | PAR Act III, LLC |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |
Number of shares issued in transaction (in shares) |  | 73,530 |  |  |  |  |
Sale of stock (in dollars per share) |  | $ 68.00 |  |  |  |  |
Consideration received per transaction |  | $ 5,000 |  |  |  |  |
Private Placement | T. Rowe Price Associates, Inc. |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |
Number of shares issued in transaction (in shares) |  | 2,279,412 |  |  |  |  |
Sale of stock (in dollars per share) |  | $ 68.00 |  |  |  |  |
Consideration received per transaction |  | $ 155,000 |  |  |  |  |
Public Offering |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |
Number of shares issued in transaction (in shares) | 982,143 |  | 3,616,022 |  |  |  |
Sale of stock (in dollars per share) | $ 56.00 |  | $ 38.00 |  |  |  |
Sale of stock, consideration received on transaction | $ 52,500 |  | $ 131,400 |  |  |  |
Over-Allotment Option |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |
Sale of stock (in dollars per share) |  |  | $ 38.00 |  |  |  |

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