Summary of Significant Accounting Policies (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2022	Dec. 31, 2021
Summary of Significant Accounting Policies (Details) [Line Items]
Accounts receivable	$ 40	$ 1,700
Contract liabilities	$ 500	$ 1,600
Common stock shares issued (in Shares)	96,553,946	96,546,611
Right-of-use lease assets	$ 12,464
Warrant [Member]
Summary of Significant Accounting Policies (Details) [Line Items]
Aggregate purchase of shares (in Shares)		18,749,990
Minimum [Member]
Summary of Significant Accounting Policies (Details) [Line Items]
Right-of-use lease assets	500
Lease liabilities	10,500
Maximum [Member]
Summary of Significant Accounting Policies (Details) [Line Items]
Lease liabilities	$ 13,400
NextNav’s [Member]
Summary of Significant Accounting Policies (Details) [Line Items]
Aggregate purchase of shares (in Shares)	4,320,133
Price per share (in Dollars per share)	$ 0.01
Common stock shares issued (in Shares)	4,315,813