Warrant Transaction Agreements - Walmart Stores, Inc. Transaction Agreement (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024
Warrant Transaction Agreements
Provision for common stock warrants	$ 9,124	$ 4,495
Provision compared for common stock warrants	7,049	10,236
Warrants issued with the Walmart Stores, Inc transaction agreement
Warrant Transaction Agreements
Contract asset	$ 1,900		$ 2,600
Warrant shares vested (in shares)	42,556,206		40,010,108
Provision for common stock warrants	$ 5,600	$ 3,700
Number of warrants exercised (in shares)	0	0
Walmart | Warrants issued with the Walmart Stores, Inc transaction agreement
Warrant Transaction Agreements
Number of warrants exercised (in shares)	13,094,217		13,094,217