Represents the investment of cash into trust account.

No definition available.

Name:	lcyau_InvestmentOfCashIntoTrustAccount
Namespace Prefix:	lcyau_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Represents the maximum amount of interest to pay dissolution expenses.

+ References

No definition available.

+ Details

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Namespace Prefix:	lcyau_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Line item represents nature of business.

+ References

No definition available.

+ Details

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Namespace Prefix:	lcyau_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Value of all physical assets minus all liabilities in a business.

+ References

No definition available.

+ Details

Name:	lcyau_NetTangibleAssets
Namespace Prefix:	lcyau_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Percentage of public shares redeemed.

+ References

No definition available.

+ Details

Name:	lcyau_PercentageOfPublicSharesRedeemed
Namespace Prefix:	lcyau_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage refers to fair market value of business transaction.

+ References

No definition available.

+ Details

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Namespace Prefix:	lcyau_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage refers to redemption of shares if no business combination occurs.

+ References

No definition available.

+ Details

Name:	lcyau_PercentageRefersToRedemptionOfSharesIfNoBusinessCombinationOccurs
Namespace Prefix:	lcyau_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of voting equity interests acquired at the acquisition date in the business combination.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463

+ Details

Name:	us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
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 http://asc.fasb.org/extlink&oid=109259400&loc=d3e21475-112644

+ Details

Name:	us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of warrants or rights outstanding.

+ References

No definition available.

+ Details

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

- 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

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Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of consideration received by subsidiary or equity investee in exchange for shares of stock issued or sold. Includes amount of cash received, fair value of noncash assets received, and fair value of liabilities assumed by the investor.

+ References

No definition available.

+ Details

Name:	us-gaap_SaleOfStockConsiderationReceivedPerTransaction
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The number of shares issued or sold by the subsidiary or equity method investee per stock transaction.

+ References

No definition available.

+ Details

Name:	us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction.

+ References

No definition available.

+ Details

Name:	us-gaap_SaleOfStockPricePerShare
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of sale of trust assets (includes, but is not limited to, gold and silver) to pay trust expenses.

+ References

No definition available.

+ Details

Name:	us-gaap_SaleOfTrustAssetsToPayExpenses
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Price of a single share of a number of saleable stocks of a company.

+ References

No definition available.

+ Details

Name:	us-gaap_SharePrice
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Value of outstanding derivative securities that permit the holder the right to purchase securities (usually equity) from the issuer at a specified price.

+ References

No definition available.

+ Details

Name:	us-gaap_WarrantsAndRightsOutstanding
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

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

- Details

Name:	us-gaap_SubsidiarySaleOfStockAxis=us-gaap_IPOMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_SubsidiarySaleOfStockAxis=us-gaap_PrivatePlacementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Nature of Business and Subsequent Event (Details) - USD ($)		3 Months Ended	12 Months Ended
	Oct. 14, 2020	Mar. 31, 2021	Dec. 31, 2020	Aug. 24, 2020
Nature Of Business [Line Items]
Number of units issued \| shares		50,000,000	50,000,000
Warrant exercise price		$ 11.50
Maximum amount of interest to pay dissolution expenses		$ 100,000
Percentage refers to fair market value of business transaction		80.00%
Percentage of outstanding voting securities		50.00%
Net tangible assets		$ 5,000,001
Percentage refers to redemption of shares if no business combination occurs		15.00%
Investment held in trust account		$ 500,000,000
Share price		$ 10.00
Withdrawal of interest to pay dissolution expenses		$ 100,000
Class B common stock
Nature Of Business [Line Items]
Common stock par value (in dollars per share)		$ 0.0001	$ 0.0001	$ 0.0001
Public Offering
Nature Of Business [Line Items]
Proceeds from sale of stock	$ 500,000,000
Number of units issued \| shares	50,000,000	50,000,000
Price per unit	$ 10.00
Percentage of public shares redeemed		100.00%
Private placement
Nature Of Business [Line Items]
Proceeds from warrants outstanding	$ 12,000,000
Aggregate sponsor warrants	8,000,000
Warrant exercise price	$ 1.50