Net Loss per Share - Schedule of Basic and Diluted Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands		12 Months Ended
		Dec. 31, 2022	Dec. 31, 2021
Numerator
Net loss before allocation to noncontrolling interest		$ (103,113)	$ (73,261)
Net loss attributable to AST LLC pre-Business Combination		0	(11,580)
Net loss attributable to the noncontrolling interest post Business Combination		(71,473)	(42,708)
Net loss attributable to common stockholders		(31,640)	(18,973)
Net income (loss) attributable to common stockholders - diluted		$ (31,640)	$ (18,973)
Common Class A [Member]
Weighted Average Number of Shares Outstanding, Diluted [Abstract]
Weighted-average number of Class A Common Stock outstanding - basic	[1]	54,437,073	51,729,785
Weighted-average number of Class A Common Stock outstanding - diluted	[1]	54,437,073	51,729,785
Net loss per share attributable to holders of Class A Common Stock - basic	[1]	$ (0.58)	$ (0.37)
Net loss per share attributable to holders of Class A Common Stock - diluted	[1]	$ (0.58)	$ (0.37)

[1] Net loss per share information for the year ended December 31, 2021 did not include the loss prior to the date of Business Combination. Refer to Note 18: Net Loss Per Share for further information.