The percentage price of exercise amount of warrants at which debt can be redeemed by the issuer.

No definition available.

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- Definition

Description of warrants.

+ References

No definition available.

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Definition

The amount of warrants issued.

+ References

No definition available.

+ Details

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Namespace Prefix:	nn_
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Balance Type:	na
Period Type:	instant

- Definition

Exercise price per share or per unit of warrants or rights outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 3
-URI https://asc.fasb.org/extlink&oid=126973232&loc=d3e21475-112644

+ Details

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- Definition

Number of securities into which each warrant or right may be converted. For example, but not limited to, each warrant may be converted into two shares.

+ References

No definition available.

+ Details

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- Definition

Number of warrants or rights outstanding.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Par value per share of mandatory redeemable financial instrument classified as liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 480
-SubTopic 10
-Section 50
-Paragraph 4
-URI https://asc.fasb.org/extlink&oid=109262807&loc=d3e22094-110879

+ Details

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Period Type:	instant

- Definition

The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Number of shares of stock issued as of the balance sheet date, including shares that had been issued and were previously outstanding but which are now held in the treasury.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 2
-URI https://asc.fasb.org/extlink&oid=126973232&loc=d3e21463-112644

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Expiration date of outstanding warrant and right embodying unconditional obligation requiring redemption by transferring asset at specified or determinable date or upon event certain to occur, in YYYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258

+ Details

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- Details

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- Details

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- Details

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- Details

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- Details

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Warrants and Warrant Liability (Details) - USD ($) $ / shares in Units, $ in Millions	6 Months Ended
	Jun. 30, 2023	Jul. 06, 2023	May 09, 2023
Warrants and Warrant Liability (Details) [Line Items]
Warrants outstanding	37,268,510
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.
Note Purchase Agreement and Indenture Agreement [Member] \| Senior Secured Notes due 2026 [Member] \| Warrant [Member]
Warrants and Warrant Liability (Details) [Line Items]
Warrants outstanding			18,518,520
Warrants issued			18,518,520
Class of warrant or right number of securities called by each warrant or right	1
Exercise price per unit (in Dollars per share)	$ 2.16		$ 2.16
Warrants, maturity date	Jun. 01, 2027
Financial Instrument Subject to Mandatory Redemption, Par Value Per Share	$ 0.01
Fair value of debt	$ 14.6		$ 14.6
Note Purchase Agreement and Indenture Agreement [Member] \| Senior Secured Notes due 2026 [Member] \| Warrant [Member] \| Subsequent Event [Member]
Warrants and Warrant Liability (Details) [Line Items]
Warrants outstanding		7,407,407
Warrants issued		7,407,407
Exercise price per unit (in Dollars per share)		$ 2.16
Note Purchase Agreement and Indenture Agreement [Member] \| Senior Secured Notes due 2026 [Member] \| Warrant [Member] \| Minimum [Member]
Warrants and Warrant Liability (Details) [Line Items]
Debt instrument, Redemption price, Percentage of exercise price of warrants	130.00%
Public Warrants and Private Placement Warrants [Member]
Warrants and Warrant Liability (Details) [Line Items]
Class of warrant or right number of securities called by each warrant or right	1
Exercise price per unit (in Dollars per share)	$ 11.5
Warrants, maturity date	Oct. 28, 2026
Public Warrants [Member]
Warrants and Warrant Liability (Details) [Line Items]
Number of shares issued	9,999,990
Private Placement Warrants [Member]
Warrants and Warrant Liability (Details) [Line Items]
Number of shares issued	8,750,000