XML 47 R25.htm IDEA: XBRL DOCUMENT v3.21.2

Restatement of Previously Issued Financial Statements (Details) - Schedule of restatement on the balance sheets (Parentheticals) - $ / shares	Dec. 31, 2020	Oct. 09, 2020
As Previously Reported [Member]
Condensed Balance Sheet Statements, Captions [Line Items]
Preference shares, par value	$ 0.0001
As Previously Reported [Member] | Class A Ordinary Share
Condensed Balance Sheet Statements, Captions [Line Items]
Temporary Equity, Par value	0.0001	$ 0.0001
Ordinary shares, par value	0.0001	0.0001
As Previously Reported [Member] | Class B Ordinary Share
Condensed Balance Sheet Statements, Captions [Line Items]
Ordinary shares, par value	0.0001	0.0001
Restatement Adjustment [Member]
Condensed Balance Sheet Statements, Captions [Line Items]
Preference shares, par value	0.0001
Restatement Adjustment [Member] | Class A Ordinary Share
Condensed Balance Sheet Statements, Captions [Line Items]
Temporary Equity, Par value	0.0001	0.0001
Ordinary shares, par value	0.0001	0.0001
Restatement Adjustment [Member] | Class B Ordinary Share
Condensed Balance Sheet Statements, Captions [Line Items]
Ordinary shares, par value	0.0001	0.0001
As Restated [Member]
Condensed Balance Sheet Statements, Captions [Line Items]
Preference shares, par value	0.0001
As Restated [Member] | Class A Ordinary Share
Condensed Balance Sheet Statements, Captions [Line Items]
Temporary Equity, Par value	0.0001	0.0001
Ordinary shares, par value	0.0001	0.0001
As Restated [Member] | Class B Ordinary Share
Condensed Balance Sheet Statements, Captions [Line Items]
Ordinary shares, par value	$ 0.0001	$ 0.0001

X

- 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

Name:	srt_CondensedBalanceSheetStatementsCaptionsLineItems
Namespace Prefix:	srt_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Face amount or stated value per share of common stock.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(29))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

Name:	us-gaap_CommonStockParOrStatedValuePerShare
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(28))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 13
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496158-112644

+ Details

Name:	us-gaap_PreferredStockParOrStatedValuePerShare
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Per share amount of par value or stated value of stock classified as temporary equity. Temporary equity is a security with redemption features that are outside the control of the issuer, is not classified as an asset or liability in conformity with GAAP, and is not mandatorily redeemable.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 480
-SubTopic 10
-Section S99
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=122040564&loc=d3e177068-122764

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (27)
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

Name:	us-gaap_TemporaryEquityParOrStatedValuePerShare
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

X

- Details

Name:	srt_RestatementAxis=srt_ScenarioPreviouslyReportedMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementClassOfStockAxis=us-gaap_CommonClassAMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementClassOfStockAxis=us-gaap_CommonClassBMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_RestatementAxis=srt_RestatementAdjustmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_RestatementAxis=ngac_AsRestatedMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: