Common stock and additional paid-in capital - Narrative (Details)		2 Months Ended	12 Months Ended
	Aug. 10, 2021 shares	Dec. 31, 2022 USD ($)	Dec. 31, 2023 USD ($) vote shares	Dec. 31, 2022 USD ($)	Oct. 31, 2022 USD ($)	Oct. 31, 2021 USD ($)
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Common stock, vote per share | vote			1
Share-based compensation arrangement by share-based payment award, options, exercises in period, intrinsic value		$ 700,000	$ 6,100,000		$ 10,200,000	$ 18,700,000
Share-based compensation arrangement by share-based payment award, options, outstanding, intrinsic value		9,600,000	0	$ 9,600,000	13,400,000	53,600,000
Share-based compensation arrangement by share-based payment award, options, exercisable, intrinsic value		9,600,000	0	9,600,000	13,400,000	51,500,000
Proceeds from exercise of stock options		0	0		0	200,000
Stock-based compensation			10,200,000	$ 1,800,000	16,100,000	3,200,000
Share-based compensation arrangement by share-based payment award, options, vested in period, fair value			2,700,000		3,600,000	2,400,000
Share-based compensation arrangement by share-based payment award, options, grants in period, fair value		0	3,600,000		3,700,000	8,300,000
Share-based payment arrangement, amount capitalized			700,000		600,000	0
Stock converted, reverse recapitalization (in shares) | shares	96,084,679
Stock options
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Share-based payment arrangement, expense, tax benefit		0	0		0	0
Stock-based compensation		600,000	3,600,000		6,600,000	2,700,000
Share-based payment arrangement, nonvested award, cost not yet recognized, amount			$ 2,300,000
Share-based payment arrangement, nonvested award, cost not yet recognized, period for recognition			1 year 3 months 29 days
Stock options | LTIP Plan
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Share-based compensation arrangement by share-based payment award, number of shares authorized (in shares) | shares			35,999,035
Number of shares received from each stock option conversion (in shares) | shares			1
Share-based compensation arrangement by share-based payment award, award vesting period			3 years
Share-based compensation arrangement by share-based payment award, expiration period			10 years
Share-based compensation arrangement by share-based payment award, expiration period following employee termination			90 days
Stock options | LTIP Plan | Share-Based Payment Arrangement, Tranche One
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Share-based compensation arrangement by share-based payment award, award vesting rights, percentage			33.33%
Stock options | LTIP Plan | Share-Based Payment Arrangement, Tranche Two
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Share-based compensation arrangement by share-based payment award, award vesting rights, percentage			33.33%
Stock options | LTIP Plan | Share-Based Payment Arrangement, Tranche Three
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Share-based compensation arrangement by share-based payment award, award vesting rights, percentage			33.33%
Restricted share units
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Share-based payment arrangement, expense, tax benefit		0	$ 0		0	0
Stock-based compensation		$ 1,600,000	9,800,000		11,500,000	700,000
Share-based payment arrangement, nonvested award, cost not yet recognized, amount			$ 10,600,000
Share-based payment arrangement, nonvested award, cost not yet recognized, period for recognition			1 year 1 month 17 days
Share-based compensation arrangement by share-based payment award, equity instruments other than options, vested in period, fair value			$ 7,200,000		$ 3,600,000	$ 700,000
Restricted share units | Minimum
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Share-based compensation arrangement by share-based payment award, award vesting period			6 months
Restricted share units | Maximum
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Share-based compensation arrangement by share-based payment award, award vesting period			3 years