Common Stock - Narrative (Details) $ / shares in Units, $ in Thousands				3 Months Ended	6 Months Ended
	Apr. 08, 2021 USD ($) $ / shares shares	Nov. 03, 2020 USD ($) shares	Oct. 05, 2020 USD ($) tradingDay $ / shares shares	Jun. 30, 2021 USD ($) $ / shares shares	Jun. 30, 2021 USD ($) $ / shares shares	Jun. 30, 2020 USD ($)
Subsequent Event [Line Items]
Payments for common stock issuance costs | $				$ 4,300	$ 4,314	$ 0
Warrants to purchase (in shares) | shares	500,000			500,000	500,000
Warrant, exercise price (in dollars per share) | $ / shares	$ 76.50			$ 76.50	$ 76.50
Warrant exercise period					5 years
Issuance of common stock upon the exercise of stock options (in shares) | shares					54,000
Proceeds from exercise of stock options | $					$ 617	$ 42
Punchh Inc.
Subsequent Event [Line Items]
Equity interest issued (in shares) | shares	1,493,130
Warrant
Subsequent Event [Line Items]
Derivative, fair value | $	$ 14,300
Private Placement
Subsequent Event [Line Items]
Sale of stock, consideration received on transaction | $	$ 160,000
Number of shares issued in transaction (in shares) | shares	2,352,942
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) | shares	73,530
Consideration received per transaction | $	$ 5,000
Sale of stock (in dollars per share) | $ / shares	$ 68.00
Private Placement | T. Rowe Price Associates, Inc.
Subsequent Event [Line Items]
Number of shares issued in transaction (in shares) | shares	2,279,412
Consideration received per transaction | $	$ 155,000
Sale of stock (in dollars per share) | $ / shares	$ 68.00
Public Offering
Subsequent Event [Line Items]
Sale of stock, consideration received on transaction | $			$ 121,800
Number of shares issued in transaction (in shares) | shares			3,350,000
Sale of stock (in dollars per share) | $ / shares			$ 38.00
Over-Allotment Option
Subsequent Event [Line Items]
Number of shares issued in transaction (in shares) | shares			502,500
Sale of stock (in dollars per share) | $ / shares			$ 38.00
Number of days available to purchase additional shares | tradingDay			30
Issuance of common stock upon the exercise of stock options (in shares) | shares		266,022
Proceeds from exercise of stock options | $		$ 9,600