Fair value measurement and financial instruments - Narrative (Details) - USD ($) $ / shares in Units, $ in Millions	Jan. 18, 2022	Mar. 31, 2022	Jan. 31, 2022
Common Stock
Class of Warrant or Right [Line Items]
Aggregate number of contingently issuable shares (in shares)	14,500,000
Public Warrants
Class of Warrant or Right [Line Items]
Exercise price (in dollars per share)	$ 11.50	$ 0.81	$ 11.50
Public Warrants | Gores Metropoulos Sponsor II, LLC
Class of Warrant or Right [Line Items]
Number outstanding (in shares)	9,000,000
Private Placement Warrant
Class of Warrant or Right [Line Items]
Number outstanding (in shares)	5,500,000
Exercise price (in dollars per share)	$ 11.50	$ 0.81
Delayed Draw Warrants
Class of Warrant or Right [Line Items]
Exercise price (in dollars per share)			$ 12.50
Fair value of warrants		$ 5.6