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Commitments and Contingencies (Details) - USD ($)				8 Months Ended
	Jun. 26, 2020	Jun. 09, 2020	Feb. 12, 2020	Sep. 30, 2020
Underwriting Agreement [Abstract]
Sale of stock underwriter option term			45 days	45 days
Underwriting fee discount (in dollars per share)			$ 0.20	$ 0.20
Underwriting expense			$ 7,200,000
Deferred underwriting discount (in dollars per share)			$ 0.35	$ 0.35
Deferred underwriting fees	$ 14,490,000		$ 12,600,000	$ 14,490,000
Over-Allotment Option [Member]
Underwriting Agreement [Abstract]
Units that can be purchased to cover over-allotments (in shares)			5,400,000	5,400,000
Units issued (in shares)	1,400,000	4,000,000	41,400,000
Unit price (in dollars per share)	$ 10.00	$ 10.00
Underwriting expense			$ 8,280,000	$ 8,280,000
Deferred underwriting fees			$ 14,490,000

X

- Definition

Per share deferred fee proceeds of an Initial Public Offering paid to the underwriter.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	instant

X

- Definition

Carrying value as of the balance sheet date of outstanding underwriting fee payable initially due after one year or beyond the operating cycle if longer, excluding current portion.

+ References

No definition available.

+ Details

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

X

- Definition

Period of underwriter to purchase options.

+ References

No definition available.

+ Details

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Namespace Prefix:	lgvw_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

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X

- Definition

Per share or per unit amount of underwriting discount.

+ References

No definition available.

+ Details

Name:	lgvw_UnderwritingFeeDiscount
Namespace Prefix:	lgvw_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Number of new units issued during the period. Each unit consists of one share of Class A common stock and one redeemable warrant.

+ References

No definition available.

+ Details

Name:	lgvw_UnitsIssuedDuringPeriodSharesNewIssues
Namespace Prefix:	lgvw_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The maximum number of shares that can be purchased by underwriters to cover over-allotments.

+ References

No definition available.

+ Details

Name:	lgvw_UnitsThatCanBePurchasedToCoverOverAllotments
Namespace Prefix:	lgvw_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Cash paid for expenses incurred during underwriting activities (the process to review insurance applications, evaluate risks, accept or reject applications, and determine the premiums to be charged) for insurance companies.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 25
-Subparagraph (g)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3536-108585

+ Details

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Balance Type:	credit
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X

- Definition

Per share or per unit amount of equity securities issued.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
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X

- Details

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