Warrants and Warrant Liability (Details)	6 Months Ended
	Jun. 30, 2022 $ / shares shares
Warrants and Warrant Liability (Details) [Line Items]
Warrants outstanding	18,749,990
Public warrants sold	9,999,990
Warrants issued	8,750,000
Warrants to purchase	1
Exercise price per unit (in Dollars per share) | $ / shares	$ 11.5
Description of warrants.	the right to redeem the outstanding Public Warrants in whole and not in part at a price of $0.01 per warrant upon a minimum of 30 days’ prior written notice of redemption, if and only if the last sales price of the Company’s common stock matched or exceeded $18.00 per share for any 20 trading days within a 30-trading day period ending on the third trading day prior to the date on which NextNav sends the notice of redemption to the warrant holders.
Warrants expire years	5 years
Warrant [Member]
Warrants and Warrant Liability (Details) [Line Items]
Warrants issued	4,308,297
Warrants to purchase	4,320,133
Exercise price per unit (in Dollars per share) | $ / shares	$ 0.01