Contingencies	6 Months Ended
Jun. 30, 2021
Loss Contingency [Abstract]
Contingencies	7. Contingencies In the normal course of business, NextNav may be involved in lawsuits, claims, and administrative proceedings. Management believes any liability or loss associated with such matters, either individually or in the aggregate, will not materially affect NextNav’s consolidated results of operations or financial position. In the course of the Company’s business it may be involved in litigation and legal matters.

The entire disclosure for loss and gain contingencies. Describes any existing condition, situation, or set of circumstances involving uncertainty as of the balance sheet date (or prior to issuance of the financial statements) as to a probable or reasonably possible loss incurred by an entity that will ultimately be resolved when one or more future events occur or fail to occur, and typically discloses the amount of loss recorded or a range of possible loss, or an assertion that no reasonable estimate can be made.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 30
-URI http://asc.fasb.org/subtopic&trid=2127197

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-URI http://asc.fasb.org/subtopic&trid=2127163

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