XML 113 R89.htm IDEA: XBRL DOCUMENT
v3.21.2

Organization and Business (Details) - Schedule of determination of the diluted weighted average shares - USD ($) $ / shares in Units, $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019
Numerator |  |
Net loss | $ 137,336 | $ 18,302
Less cumulative change in redemption value of temporary equity | 33,072 | 80,468
Net loss attributable to common unitholders | $ 170,408 | $ 98,770
Denominator |  |
Weighted average units – basic and diluted (in Shares) | 16,853,000 | 15,742,000
Basic and diluted loss per unit (in Dollars per share) | $ 10,110 | $ 6,270

X
- Definition Number of basic and diluted loss per unit. + References No definition available. + Details
Name: | nn_BasicAndDilutedLossPerUnit
Namespace Prefix: | nn_
Data Type: | dtr:perShareItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | nn_DenominatorAbstract0
Namespace Prefix: | nn_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of net loss. + References No definition available. + Details
Name: | nn_NetLosses
Namespace Prefix: | nn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- References No definition available. + Details
Name: | nn_NumeratorAbstract0
Namespace Prefix: | nn_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of shares weighted average units – basic and diluted. + References No definition available. + Details
Name: | nn_WeightedAverageUnitsBasicAndDilutedinShares
Namespace Prefix: | nn_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) from discontinued operations available to common shareholders. + References No definition available. + Details
Name: | us-gaap_NetIncomeLossFromDiscontinuedOperationsAvailableToCommonShareholdersBasic
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Value of accretion of temporary equity to its redemption value during the period. + References No definition available. + Details
Name: | us-gaap_TemporaryEquityAccretionToRedemptionValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration