Stockholders’ deficit and stock-based compensation - Significant modifications and Compensation expense (Details) - USD ($)		3 Months Ended			12 Months Ended
	Nov. 15, 2021	Mar. 31, 2022	Dec. 31, 2021	Mar. 31, 2021	Dec. 31, 2021
Class of Stock [Line Items]
Compensation expense		$ 16,500,000		$ 45,500,000
Mr. Mercer
Class of Stock [Line Items]
Compensation expense		100,000
Mr. Wendel
Class of Stock [Line Items]
Compensation expense		$ 7,073,000
Market-based RSUs
Class of Stock [Line Items]
Grants in period (in shares)		111,168
Compensation expense		$ 8,000,000
Market-based RSUs | Mr. Mercer
Class of Stock [Line Items]
Grants in period (in shares)	5,250,000
Market-based RSUs | Mr. Wendel
Class of Stock [Line Items]
Grants in period (in shares)	4,500,000
Restricted Stock Units
Class of Stock [Line Items]
Grants in period (in shares)		9,172,637			29,763,009
Compensation expense		$ 0
Restricted Stock Units | Mr. Mercer
Class of Stock [Line Items]
Grants in period (in shares)		923,695	4,000,000
Compensation expense		$ (1,000,000)
Restricted Stock Units | Mr. Wendel
Class of Stock [Line Items]
Grants in period (in shares)		742,972	2,750,000
Compensation expense		$ (700,000)