v3.25.1
Warrants and Warrant Liability (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Mar. 12, 2025
Warrants and Warrant Liability (Details) [Line Items]      
Warrants outstanding 37,297,292    
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.    
Adjustments To Additional Paid In Capital Reclassification From Warrant Liability   $ 2,468  
Warrant [Member]      
Warrants and Warrant Liability (Details) [Line Items]      
Stock Reclassified During Period Shares Reclassification From Warrant Liability To Equity 205,402    
Adjustments To Additional Paid In Capital Reclassification From Warrant Liability $ 1,200    
Note Purchase Agreement and Indenture Agreement [Member] | Senior Secured Notes due 2026 [Member] | Warrant [Member]      
Warrants and Warrant Liability (Details) [Line Items]      
Warrants outstanding 10,747,332    
Public Warrants and Private Placement Warrants [Member]      
Warrants and Warrant Liability (Details) [Line Items]      
Exercise price per unit (in Dollars per share) $ 11.5    
Warrants, maturity date Oct. 28, 2026    
Public Warrants and Private Placement Warrants [Member] | Note Purchase Agreement and Indenture Agreement [Member] | Senior Secured Notes due 2026 [Member] | Warrant [Member]      
Warrants and Warrant Liability (Details) [Line Items]      
Class of warrant or right number of securities called by each warrant or right 1    
Public Warrants [Member]      
Warrants and Warrant Liability (Details) [Line Items]      
Warrants outstanding 14,715,170    
Private Placement Warrants [Member]      
Warrants and Warrant Liability (Details) [Line Items]      
Warrants outstanding 4,034,790    
Common stock purchase warrants [Member] | Note Purchase Agreement [Member] | Private Placement [Member]      
Warrants and Warrant Liability (Details) [Line Items]      
Warrants outstanding 7,800,000    
Common stock purchase warrants [Member] | Note Purchase Agreement [Member] | Private Placement [Member] | Minimum [Member]      
Warrants and Warrant Liability (Details) [Line Items]      
Exercise price per unit (in Dollars per share) $ 12.56   $ 12.56
Common stock purchase warrants [Member] | Note Purchase Agreement [Member] | Private Placement [Member] | Maximum [Member]      
Warrants and Warrant Liability (Details) [Line Items]      
Exercise price per unit (in Dollars per share) $ 20   $ 20