Reverse Recapitalization and Related Transactions - Schedule of Common Stock Issued (Details) - USD ($) $ in Millions		2 Months Ended	12 Months Ended
	Sep. 16, 2021	Sep. 15, 2021	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Reverse Recapitalization [Roll Forward]
Common stock, beginning balance (in shares)	59,851,643
Common Stock issued through option exercises between July 1, 2021 and September 16, 2021 (in shares)		4,738,344
Vesting of unvested shares between July 1, 2021 and September 16, 2021 (in shares)		2,540,925
Common stock, ending balance (in shares)	232,638,568	59,851,643
Conversion of stock (in shares)	64,884,120
Adjustment related to Reverse Recapitalization (in shares)	101,269,813
Restricted stock units vested at closing (in shares)	10,004,612
Common stock attributable to PIPE Financing (in shares)	61,512,500
Conversion of convertible preferred stock to common stock in connection with the reverse recapitalization			$ 0.0	$ 0.0	$ 61.5
Series Seed and Series A Redeemable Convertible Preferred Stock
Reverse Recapitalization [Roll Forward]
Conversion of stock (in shares)	64,884,120
Conversion of convertible preferred stock to common stock in connection with the reverse recapitalization	$ 61.5
Additional Paid-in Capital
Reverse Recapitalization [Roll Forward]
Stock-based compensation	$ 162.3
Atlas
Reverse Recapitalization [Roll Forward]
Common stock attributable to Atlas (in shares)	36,385,693
Legacy Archer
Reverse Recapitalization [Roll Forward]
Common stock, beginning balance (in shares)		52,572,374